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Olivetti P6066 was a personal computer programmable with a version of Basic owned by Olivetti and integrated in the operating system.
It was identical to Olivetti P6060 in the mechanical design; however, the color (white) and performances were different.
It was an improved version of the P6060, from which it was pos... | https://en.wikipedia.org/wiki/Olivetti_P6066 |
An Olivier pile is a drilled displacement pile:. [ 1 ] This is an underground deep foundation pile made of concrete or reinforced concrete with a screw-shaped shaft ( helical shaft ) which is performed without soil removal.
The Belgian Gerdi Vankeirsbilck applied for the production patent for the Olivier pile in April... | https://en.wikipedia.org/wiki/Olivier_pile |
Olney's lesions , also known as NMDA receptor antagonist neurotoxicity ( NAT ), is a form of brain damage consisting of selective death of neurons but not glia , observed in restricted brain regions of rats and certain other animal models exposed to large quantities of psychoactive drugs that inhibit the normal operati... | https://en.wikipedia.org/wiki/Olney's_lesions |
Olry Terquem (16 June 1782 – 6 May 1862) was a French mathematician . He is known for his works in geometry and for founding two scientific journals , one of which was the first journal about the history of mathematics . He was also the pseudonymous author (as Tsarphati ) of a sequence of letters advocating radical ref... | https://en.wikipedia.org/wiki/Olry_Terquem |
The Olsen cycle is a pyroelectric cycle, which was developed between 1978 and 1986 by Olsen and Bruno, [ 1 ] by Olsen and Brown, [ 2 ] Olsen and Evans, [ 3 ] as well as by Olsen et al. [ 4 ] It has been called the Ericsson cycle . However, the Olsen cycle avoids the least confusion with its analogous process of the Eri... | https://en.wikipedia.org/wiki/Olsen_cycle |
An Olszewski tube is a pipe designed to bring oxygen-poor water from the bottom of a lake to the top. This tube was first proposed by a Polish limnologist named Przemysław Olszewski in 1961 and helps combat the negative effects of eutrophication , high nutrient content, in lakes. The basic concept behind the Olszewski ... | https://en.wikipedia.org/wiki/Olszewski_tube |
Olympiadane is a mechanically interlocked molecule composed of five interlocking macrocycles that resembles the Olympic rings . The molecule is a linear pentacatenane or a [5] catenane . It was synthesized and named by Fraser Stoddart and coworkers in 1994. [ 1 ] The molecule was designed without any practical use in ... | https://en.wikipedia.org/wiki/Olympiadane |
Olympus Master is a software application that is used with Olympus digital cameras and optical accessories. It can be installed and used on PCs running Windows 2000 , Windows XP or (in the case of the Olympus Master 2 software) Windows Vista , and also on Macintosh computers.
Olympus Master allows users to transfer, b... | https://en.wikipedia.org/wiki/Olympus_Master |
Ghiyāth al-Dīn Abū al-Fatḥ ʿUmar ibn Ibrāhīm Nīshābūrī [ 1 ] [ 3 ] (18 May 1048 – 4 December 1131) ( Persian : غیاث الدین ابوالفتح عمر بن ابراهیم خیام نیشابورﻯ), commonly known as Omar Khayyam ( Persian : عمر خیّام ), [ a ] was a Persian poet and polymath, known for his contributions to mathematics , astronomy , philos... | https://en.wikipedia.org/wiki/Omar_Khayyam |
Omar M. Yaghi ( Arabic : عمر مونّس ياغي ; born February 9, 1965) is the James and Neeltje Tretter Chair Professor of Chemistry at the University of California, Berkeley , an affiliate scientist at Lawrence Berkeley National Laboratory , the founding director of the Berkeley Global Science Institute , and an elected mem... | https://en.wikipedia.org/wiki/Omar_M._Yaghi |
The Omate TrueSmart is a smartwatch designed by Omate , a Chinese company based in Hong Kong and Shenzhen . It has been funded by crowd funding via Kickstarter . The funding period was from August 21, 2013 until September 20, 2013. The funding goal of $100,000 was reached within 12 hours, with more than $1,032,000 rais... | https://en.wikipedia.org/wiki/Omate_TrueSmart |
In mathematical logic , an omega-categorical theory is a theory that has exactly one countably infinite model up to isomorphism . Omega-categoricity is the special case κ = ℵ 0 {\displaystyle \aleph _{0}} = ω of κ-categoricity , and omega-categorical theories are also referred to as ω-categorical . The notion is most... | https://en.wikipedia.org/wiki/Omega-categorical_theory |
Omega Chi Epsilon (or ΩΧΕ , sometimes simplified to OXE ) is an International honor society for chemical engineering students.
The first chapter of Omega Chi Epsilon was formed at the University of Illinois in 1931 by a group of chemical engineering students. These Founders were: [ 1 ]
Professors D.B. Keyes and Norma... | https://en.wikipedia.org/wiki/Omega_Chi_Epsilon |
The omega constant is a mathematical constant defined as the unique real number that satisfies the equation
It is the value of W (1) , where W is Lambert's W function . The name is derived from the alternate name for Lambert's W function, the omega function . The numerical value of Ω is given by
The defining identit... | https://en.wikipedia.org/wiki/Omega_constant |
Omega oxidation ( ω-oxidation ) is a process of fatty acid metabolism in some species of animals. It is an alternative pathway to beta oxidation that, instead of involving the β carbon, involves the oxidation of the ω carbon (the carbon most distant from the carboxyl group of the fatty acid). The process is normally a ... | https://en.wikipedia.org/wiki/Omega_oxidation |
Omidubicel , sold under the brand name Omisirge , is a blood-based cell therapy used for the treatment of blood cancers . [ 3 ] [ 4 ] [ 5 ] Omidubicel is a nicotinamide -modified allogeneic hematopoietic progenitor cell therapy derived from cord blood . [ 3 ]
The most common adverse reactions include infections, graft... | https://en.wikipedia.org/wiki/Omidubicel |
Omni-Path Architecture ( OPA ) is a high-performance communication architecture developed by Intel . It aims for low communication latency , low power consumption and a high throughput . It directly competes with InfiniBand . Intel planned to develop technology based on this architecture for exascale computing . [ 1 ] ... | https://en.wikipedia.org/wiki/Omni-Path |
OmniGraphSketcher was a software application from The Omni Group for creating quantitative diagrams . It allowed users to plot data and draw freehand curves, filled areas, and text labels on a coordinate plane . It was available from March 2009 through July 2013.
OmniGraphSketcher had its origins in Graph Sketcher , a... | https://en.wikipedia.org/wiki/OmniGraphSketcher |
OmniPage is an optical character recognition (OCR) application available from Kofax Incorporated.
OmniPage was one of the first OCR programs to run on personal computers. [ 1 ] It was developed in the late 1980s and sold by Caere Corporation, a company headed by Robert Noyce . The original developers were Philip Bernz... | https://en.wikipedia.org/wiki/OmniPage |
OmniSTAR is a satellite-based augmentation system ( SBAS ) service provider. OmniSTAR correction signals are proprietary, and a subscription must be bought from the OmniSTAR corporation to receive a subscription authorization. [ 1 ] OmniSTAR uses geostationary satellites in eight regions covering most of the landmass o... | https://en.wikipedia.org/wiki/OmniSTAR |
Omni processor is a term coined in 2012 by staff of the Water, Sanitation, Hygiene Program of the Bill & Melinda Gates Foundation [ 1 ] to describe a range of physical, biological or chemical treatments to remove pathogens from human-generated fecal sludge , while simultaneously creating commercially valuable byproduct... | https://en.wikipedia.org/wiki/Omni_processor |
Omnicare, Inc. is an American company working in the health-care industry. It was established in April 1981 as a spinoff of healthcare businesses from Chemed and W. R. Grace and Company . It is currently a pharmacy specializing in nursing homes. [ 1 ] In 2015, Omnicare was acquired by CVS Health . [ 2 ]
In 2012, the F... | https://en.wikipedia.org/wiki/Omnicare |
Omnishale process (also known as the Petro Probe process ) is an in situ shale oil extraction technology to convert kerogen in oil shale to shale oil . This process is classified as an externally generated hot gas technology. The technology is developed by General Synfuels International, a subsidiary of Earth Search S... | https://en.wikipedia.org/wiki/Omnishale_process |
On-board diagnostics ( OBD ) is a term referring to a vehicle's self-diagnostic and reporting capability. In the United States, this capability is a requirement to comply with federal emissions standards to detect failures that may increase the vehicle tailpipe emissions to more than 150% of the standard to which it wa... | https://en.wikipedia.org/wiki/On-board_diagnostics |
On-water reactions are a group of organic reactions that take place as an emulsion in water and have an unusual reaction rate acceleration compared with (i) the same reaction in an organic solvent , or (ii) the corresponding dry media reaction . [ 1 ] This effect has been known for many years [ 2 ] but in 2005 research... | https://en.wikipedia.org/wiki/On-water_reaction |
" Über formal unentscheidbare Sätze der Principia Mathematica und verwandter Systeme I " (" On Formally Undecidable Propositions of Principia Mathematica and Related Systems I ") is a paper in mathematical logic by Kurt Gödel . Submitted November 17, 1930, it was originally published in German in the 1931 volume of Mo... | https://en.wikipedia.org/wiki/On_Formally_Undecidable_Propositions_of_Principia_Mathematica_and_Related_Systems |
Onboard passenger information system (PIS) is an integrated system for supplying passengers of public transport with information on their current journey through audiovisual information. The systems are installed on-board of public transport vehicles and provide ambient information to passengers both inside and outside... | https://en.wikipedia.org/wiki/Onboard_passenger_information_system |
An oncoantigen is a surface or soluble tumor antigen that supports tumor growth. [ 1 ] A major problem of cancer immunotherapy is the selection of tumor cell variants that escape immune recognition. The notion of oncoantigen was set forth in the context of cancer immunoprevention to define a class of persistent tumor a... | https://en.wikipedia.org/wiki/Oncoantigen |
Oncogenomics is a sub-field of genomics that characterizes cancer -associated genes . It focuses on genomic, epigenomic and transcript alterations in cancer.
Cancer is a genetic disease caused by accumulation of DNA mutations and epigenetic alterations leading to unrestrained cell proliferation and neoplasm formation.... | https://en.wikipedia.org/wiki/Oncogenomics |
Adenovirus varieties have been explored extensively as a viral vector for gene therapy and also as an oncolytic virus . [ 1 ]
Of the many different viruses being explored for oncolytic potential, an adenovirus was the first to be approved by a regulatory agency, the genetically modified H101 strain. It gained regulato... | https://en.wikipedia.org/wiki/Oncolytic_adenovirus |
Many variants of herpes simplex virus have been considered for viral therapy of cancer; the early development of these was thoroughly reviewed in the journal Cancer Gene Therapy in 2002. [ 1 ] This page describes (in the order of development) the most notable variants—those tested in clinical trials: G207, HSV1716, NV1... | https://en.wikipedia.org/wiki/Oncolytic_herpes_virus |
Oncomatryx Biopharma S. L. is a pharmaceutical biotechnology company that develops personalized treatments against invasive cancer as well as tests for its early detection. Established by Laureano Simón, PhD, Oncomatryx thus engages twofold in the fight against invasive kinds of cancer, such as pancreatic cancer or inv... | https://en.wikipedia.org/wiki/Oncomatryx |
Oncometabolism is the field of study that focuses on the metabolic changes that occur in cells that make up the tumor microenvironment (TME) and accompany oncogenesis and tumor progression toward a neoplastic state. [ 1 ]
Cells with increased growth and survivability differ from non-tumorigenic cells in terms of metab... | https://en.wikipedia.org/wiki/Oncometabolism |
Oncotherm medical devices are produced by Oncotherm Ltd. and used for cancer treatment.
The company's methodology is based on the view of its founder that the heat-dose sensitive characterization of tissue is at the core of the oncothermia treatment. [ 1 ] The tumor tissue has lower impedance than the surrounding tiss... | https://en.wikipedia.org/wiki/Oncotherm |
Oncotic pressure , or colloid osmotic-pressure , is a type of osmotic pressure induced by the plasma proteins , notably albumin , [ 1 ] in a blood vessel's plasma (or any other body fluid such as blood and lymph ) that causes a pull on fluid back into the capillary.
It has an effect opposing both the hydrostatic blood... | https://en.wikipedia.org/wiki/Oncotic_pressure |
An oncovirus or oncogenic virus is a virus that can cause cancer . [ 4 ] This term originated from studies of acutely transforming retroviruses in the 1950–60s, [ 5 ] when the term oncornaviruses was used to denote their RNA virus origin. [ 6 ] With the letters RNA removed, it now refers to any virus with a DNA or RNA ... | https://en.wikipedia.org/wiki/Oncovirus |
ONE-NET is an open-source standard for wireless networking . [ 1 ] ONE-NET (not to be confused with NMEA OneNet ) was designed for low-cost, low-power (battery-operated) control networks for applications such as home automation, security & monitoring, device control, and sensor networks. ONE-NET is not tied to any prop... | https://en.wikipedia.org/wiki/One-Net |
A one-bit message is a type of communication that has no personalized or specified content, and as such transmits only a single binary bit of information. It signals an intent and a thought, but does not specify what it is. Marc Andreessen describes "one-bit communication" as having no content other than that it exists... | https://en.wikipedia.org/wiki/One-bit_message |
One-compartment kinetics for a chemical compound specifies that the uptake in the compartment is proportional to the concentration outside the compartment, and the elimination is proportional to the concentration inside the compartment. Both the compartment and the environment outside the compartment are considered to ... | https://en.wikipedia.org/wiki/One-compartment_kinetics |
A one-dimensional symmetry group is a mathematical group that describes symmetries in one dimension (1D).
A pattern in 1D can be represented as a function f ( x ) for, say, the color at position x .
The only nontrivial point group in 1D is a simple reflection . It can be represented by the simplest Coxeter group , A ... | https://en.wikipedia.org/wiki/One-dimensional_symmetry_group |
In chemistry a one-pot synthesis is a strategy to improve the efficiency of a chemical reaction in which a reactant is subjected to successive chemical reactions in just one reactor. This is much desired by chemists because avoiding a lengthy separation process and purification of the intermediate chemical compounds ca... | https://en.wikipedia.org/wiki/One-pot_synthesis |
In plane geometry , a triangle ABC contains a triangle having one-seventh of the area of ABC , which is formed as follows: the sides of this triangle lie on cevians p, q, r where
The proof of the existence of the one-seventh area triangle follows from the construction of six parallel lines:
The suggestion of Hugo Ste... | https://en.wikipedia.org/wiki/One-seventh_area_triangle |
In game theory , the one-shot deviation principle (also known as the single-deviation property [ 1 ] ) is a principle used to determine whether a strategy in a sequential game constitutes a subgame perfect equilibrium [ 2 ] . An SPE is a Nash equilibrium where no player has an incentive to deviate in any subgame. It is... | https://en.wikipedia.org/wiki/One-shot_deviation_principle |
In numerical mathematics , one-step methods and multi-step methods are a large group of calculation methods for solving initial value problems . This problem, in which an ordinary differential equation is given together with an initial condition, plays a central role in all natural and engineering sciences and is also ... | https://en.wikipedia.org/wiki/One-step_method |
OneSubsea is a SLB company, headquartered in Oslo, Norway and Houston, Texas , United States. [ 4 ] The company is a subsea supplier [ 5 ] for the subsea oil and gas market.
As of August 2024, the company is the worlds largest in terms of installed subsea christmas trees [ 6 ]
In November 2012, Cameron International ... | https://en.wikipedia.org/wiki/OneSubsea |
The OneZoom Tree of Life Explorer is a web-based phylogenetic tree software. It aims to map the evolutionary connection of all known life . As of 2023 it includes over 2.2 million species . [ 1 ] [ 2 ]
OneZoom was originally invented by James Rosindell [ 3 ] and is a charity registered in London . [ 4 ] It is sponsore... | https://en.wikipedia.org/wiki/OneZoom |
One New Zealand (formerly known as Vodafone New Zealand ) is a New Zealand telecommunications company. [ 2 ] [ 3 ] One NZ is the largest wireless carrier in New Zealand , accounting for 38% of the country's mobile share market in 2021. [ 4 ]
One NZ is based in Auckland and was formed in 1998 as Vodafone New Zealand, a... | https://en.wikipedia.org/wiki/One_NZ |
One Through Zero (The Ten Numbers) is a monumental series of sculptures by the American artist Robert Indiana . The work depicts the numerical digits 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , and 9 and 0 . The work was created between 1980 and 2001. [ 1 ] The numbers are made from polychrome aluminium with each measuring 72 x 72... | https://en.wikipedia.org/wiki/One_Through_Zero_(The_Ten_Numbers) |
One Water is a term encompassing the management of all water sources in an integrated and sustainable way considering all water sources and uses. [ 1 ] This idea stems from core principles of providing affordable water access for everyone. [ 2 ]
The term “One Water” refers to integrated and effective water management ... | https://en.wikipedia.org/wiki/One_Water_(water_management) |
In quantum information , the one clean qubit model of computation is performed an n {\displaystyle n} qubit system with one pure state and n − 1 {\displaystyle n-1} maximally mixed states . [ 1 ] This model was motivated by highly mixed states that are prevalent in nuclear magnetic resonance quantum computers. It's des... | https://en.wikipedia.org/wiki/One_clean_qubit |
One half is the multiplicative inverse of 2 . It is an irreducible fraction with a numerator of 1 and a denominator of 2. It often appears in mathematical equations , recipes and measurements .
One half is one of the few fractions which are commonly expressed in natural languages by suppletion rather than regular deri... | https://en.wikipedia.org/wiki/One_half |
In statistics , the one in ten rule is a rule of thumb for how many predictor parameters can be estimated from data when doing regression analysis (in particular proportional hazards models in survival analysis and logistic regression ) while keeping the risk of overfitting and finding spurious correlations low. The ru... | https://en.wikipedia.org/wiki/One_in_ten_rule |
" One size fits all " is a description for a product that would fit in all instances. The term has been extended to mean one style or procedure would fit in all related applications. It is an alternative for "Not everyone fits the mold." [ 1 ] [ 2 ] It has been in use for over five decades. There are both positive and ... | https://en.wikipedia.org/wiki/One_size_fits_all |
In the field of psychology , the subfield of oneirology ( / ɒ n ɪ ˈ r ɒ l ə dʒ i / ; from Ancient Greek ὄνειρον (oneiron) ' dream ' and -λογία ( -logia ) ' the study of ' ) is the scientific study of dreams . Research seeks correlations between dreaming and knowledge about the functions of the brain, as well as an unde... | https://en.wikipedia.org/wiki/Oneirology |
Oneiromancy (from Greek όνειροϛ ( oneiros ) ' dream ' and μαντεία (manteia) ' prophecy ' ) is a form of divination based upon dreams , and also uses dreams to predict the future. Oneirogen plants may also be used to produce or enhance dream-like states of consciousness. Occasionally, the dreamer feels as if they are tr... | https://en.wikipedia.org/wiki/Oneiromancy |
Oneironautics ( / ə n eɪ r oʊ ˈ n ɔː t ɪ k s / ) refers to the ability to travel within a dream on a conscious basis . Such a traveler in a dream may be called an oneironaut .
A lucid dream is one in which the dreamer is aware that they are dreaming. They are able to exert some or a complete control over the dream's c... | https://en.wikipedia.org/wiki/Oneironautics |
The ones' complement of a binary number is the value obtained by inverting (flipping) all the bits in the binary representation of the number. The name "ones' complement" [ 1 ] refers to the fact that such an inverted value, if added to the original, would always produce an "all ones" number (the term " complement " re... | https://en.wikipedia.org/wiki/Ones'_complement |
The onion test is a way of assessing the validity of an argument for a functional role for junk DNA . It relates to the paradox that would emerge if the majority of eukaryotic non-coding DNA were assumed to be functional and the difficulty of reconciling that assumption with the diversity in genome sizes among species.... | https://en.wikipedia.org/wiki/Onion_test |
Onia
An onium (plural: onia ) is a bound state of a particle and its antiparticle . [ 1 ] These states are usually named by adding the suffix -onium to the name of one of the constituent particles (replacing an -on suffix when present), with one exception for " muonium "; a muon–antimuon bound pair is called " true m... | https://en.wikipedia.org/wiki/Onium |
In chemistry , an onium ion is a cation formally obtained by the protonation of mononuclear parent hydride of a pnictogen (group 15 of the periodic table ), chalcogen (group 16), or halogen (group 17). The oldest-known onium ion, and the namesake for the class, is ammonium , NH + 4 , the protonated derivative of ammoni... | https://en.wikipedia.org/wiki/Onium_ion |
The OnlineHPC was a free public web service that supplied tools to deal with high performance computers and online workflow editor. OnlineHPC allowed users to design and execute workflows using the online workflow designer and to work with high performance computers – clusters and clouds. Access to high performance res... | https://en.wikipedia.org/wiki/OnlineHPC |
Online charging system ( OCS ) is a system allowing a communications service provider to charge their customers, in real time, based on service usage.
An event-based charging function (EBCF) is used to charge events based on their occurrence rather than their duration or volume used in the event. Typical events are SM... | https://en.wikipedia.org/wiki/Online_charging_system |
In computer science , online codes are an example of rateless erasure codes . These codes can encode a message into a number of symbols such that knowledge of any fraction of them allows one to recover the original message (with high probability). Rateless codes produce an arbitrarily large number of symbols which can ... | https://en.wikipedia.org/wiki/Online_codes |
Online engineering (OE; Sometimes also referred to as remote engineering ) is a current trend in engineering and science, aiming to allow and organize a shared use of equipment and resources, but also specialized software (such as for example simulators ).
Reasons for the growing importance of sharing engineering reso... | https://en.wikipedia.org/wiki/Online_engineering |
The Onsite Identification and Verification System (OIVS) is a mobile technology device used by Bangladesh's elite security force, the Rapid Action Battalion (RAB), to instantly identify and verify information about suspects and criminals in the field. [ 1 ] [ 2 ]
Prior to OIVS, when RAB arrested suspects, officers had... | https://en.wikipedia.org/wiki/Onsite_Identification_and_Verification_System |
Onsite sewage facilities ( OSSF ), also called septic systems , are wastewater systems designed to treat and dispose of effluent on the same property that produces the wastewater, in areas not served by public sewage infrastructure.
A septic tank and drainfield combination is a fairly common type of on-site sewage fac... | https://en.wikipedia.org/wiki/Onsite_sewage_facility |
Ontogenetic niche shift (abbreviated ONS ) [ 1 ] is an ecological phenomenon where an organism (usually an animal) changes its diet or habitat during its ontogeny (development). [ 2 ] During the ontogenetic niche shifting an ecological niche of an individual changes its breadth and position. [ 3 ] The best known repres... | https://en.wikipedia.org/wiki/Ontogenetic_niche_shift |
Ontogeny (also ontogenesis ) is the origination and development of an organism (both physical and psychological, e.g., moral development [ 1 ] ), usually from the time of fertilization of the egg to adult. The term can also be used to refer to the study of the entirety of an organism's lifespan.
Ontogeny is the develo... | https://en.wikipedia.org/wiki/Ontogeny |
The theory of recapitulation , also called the biogenetic law or embryological parallelism —often expressed using Ernst Haeckel 's phrase " ontogeny recapitulates phylogeny "—is a historical hypothesis that the development of the embryo of an animal, from fertilization to gestation or hatching ( ontogeny ), goes throu... | https://en.wikipedia.org/wiki/Ontogeny_recapitulates_phylogeny |
In computer science , information science and systems engineering , ontology engineering is a field which studies the methods and methodologies for building ontologies , which encompasses a representation, formal naming and definition of the categories, properties and relations between the concepts, data and entities o... | https://en.wikipedia.org/wiki/Ontology_engineering |
The Ontology for Biomedical Investigations ( OBI ) is an open-access , integrated ontology for the description of biological and clinical investigations. [ 1 ] OBI provides a model for the design of an investigation, the protocols and instrumentation used, the materials used, the data generated and the type of analysis... | https://en.wikipedia.org/wiki/Ontology_for_Biomedical_Investigations |
Ontophylogenesis merges the concepts of Ontogenesis and Phylogenesis to yield Darwinian theory at the cellular level. [ 1 ]
Described by its originator Jean-Jacques Kupiec as "the extension of natural selection, taking place inside the organism among the cell populations of which it is constituted. It ends with evolu... | https://en.wikipedia.org/wiki/Ontophylogenesis |
Onyx Pharmaceuticals Inc. has been a biopharmaceutical company headquartered in South San Francisco , California . The company developed and marketed medicines for the treatment of cancer. Onyx was founded in 1992 by Kevin J. Kinsella and Frank McCormick Ph.D., FRS. [ 1 ] McCormick served as the chief scientific office... | https://en.wikipedia.org/wiki/Onyx_Pharmaceuticals |
Oocyte selection is a procedure that is performed prior to in vitro fertilization , in order to use oocytes with maximal chances of resulting in pregnancy. In contrast, embryo selection takes place after fertilization.
Not all women can conceive naturally, leaving them with a need for technologies and research that ca... | https://en.wikipedia.org/wiki/Oocyte_selection |
Oogenesis ( / ˌ oʊ . ə ˈ dʒ ɛ n ɪ s ɪ s / ) or ovogenesis is the differentiation of the ovum (egg cell) into a cell competent to further develop when fertilized. [ 1 ] It is developed from the primary oocyte by maturation. Oogenesis is initiated before birth during embryonic development.
In mammals , the first part of... | https://en.wikipedia.org/wiki/Oogenesis |
Oophagy ( / oʊ ˈ ɒ f ə dʒ i / oh- OFF -ə-jee ) or ovophagy , literally "egg eating", is the practice of embryos feeding on eggs produced by the ovary while still inside the mother's uterus . [ 1 ] The word oophagy is formed from the classical Greek ᾠόν ( ōion , "egg") and classical Greek φᾱγεῖν ( phāgein , "to eat"). I... | https://en.wikipedia.org/wiki/Oophagy |
An oospore is a thick-walled sexual spore that develops from a fertilized oosphere in some algae , fungi , and oomycetes . [ 1 ] They are believed to have evolved either through the fusion of two species or the chemically induced stimulation of mycelia , leading to oospore formation. [ 2 ]
In Oomycetes , oospores can ... | https://en.wikipedia.org/wiki/Oospore |
An opacifier is a substance added to a material in order to make the ensuing system opaque . An example of a chemical opacifier is titanium dioxide (TiO 2 ), which is used as an opacifier in paints, in paper, and in plastics. It has very high refraction index (rutile modification 2.7 and anatase modification 2.55) and ... | https://en.wikipedia.org/wiki/Opacifier |
Opacity is the measure of impenetrability to electromagnetic or other kinds of radiation , especially visible light . In radiative transfer , it describes the absorption and scattering of radiation in a medium , such as a plasma , dielectric , shielding material , glass, etc. An opaque object is neither transparent (a... | https://en.wikipedia.org/wiki/Opacity |
Opal is a hydrated amorphous form of silica (SiO 2 · n H 2 O); its water content may range from 3% to 21% by weight, but is usually between 6% and 10%. Due to the amorphous (chemical) physical structure, it is classified as a mineraloid , unlike crystalline forms of silica, which are considered minerals . It is deposit... | https://en.wikipedia.org/wiki/Opal |
Opal is a variety of low-aromatic 91 RON petrol developed in 2005 by BP Australia to combat the rising use of gasoline as an inhalant in remote Indigenous Australian communities. [ 1 ]
Though more expensive to produce, requiring a $0.33/litre Federal subsidy, a 2006 report found it would likely save at least $27 milli... | https://en.wikipedia.org/wiki/Opal_(fuel) |
The Opal Storage Specification is a set of specifications for features of data storage devices (such as hard disk drives and solid state drives) that enhance their security. For example, it defines a way of encrypting the stored data so that an unauthorized person who gains possession of the device cannot see the data... | https://en.wikipedia.org/wiki/Opal_Storage_Specification |
Open-Architecture-System (OAS) is the main User interface and synthesizer software of the Wersi keyboard line. OAS improves on prior organ interfaces by allowing the user to add sounds, rhythms, third party programs and future software enhancements without changing hardware. Compared to previous organs which relied on ... | https://en.wikipedia.org/wiki/Open-Architecture-System |
In chemistry , an open-chain compound (or open chain compound ) or acyclic compound (Greek prefix α 'without' and κύκλος 'cycle') is a compound with a linear structure, rather than a cyclic one. [ 1 ] An open-chain compound having no side groups is called a straight-chain compound (also spelled as straight chain compou... | https://en.wikipedia.org/wiki/Open-chain_compound |
In fluid mechanics and hydraulics , open-channel flow is a type of liquid flow within a conduit with a free surface , known as a channel . [ 1 ] [ 2 ] The other type of flow within a conduit is pipe flow . These two types of flow are similar in many ways but differ in one important respect: open-channel flow has a free... | https://en.wikipedia.org/wiki/Open-channel_flow |
The open-circuit time constant (OCT) method is an approximate analysis technique used in electronic circuit design to determine the corner frequency of complex circuits . It is a special case of zero-value time constant (ZVT) method technique when reactive elements consist of only capacitors. The zero-value time (ZVT) ... | https://en.wikipedia.org/wiki/Open-circuit_time_constant_method |
The open-design movement involves the development of physical products, machines and systems through use of publicly shared design information. This includes the making of both free and open-source software (FOSS) as well as open-source hardware . The process is generally facilitated by the Internet and often performed... | https://en.wikipedia.org/wiki/Open-design_movement |
In game theory , an open-loop model is the one where players cannot observe the play of their opponents, as opposed to a closed-loop model, where all past play is common knowledge . The solution to an open-loop model is called "open-loop equilibrium".
Open loop models are more tractable, which is why they are sometime... | https://en.wikipedia.org/wiki/Open-loop_model |
Open-source architecture is an emerging paradigm advocating new procedures in the imagination and formation of virtual and real spaces within a universal infrastructure . Drawing from references as diverse as open-source culture, modular design , avant-garde architectural, science fiction , language theory, and neuro-s... | https://en.wikipedia.org/wiki/Open-source_architecture |
OpenAtom is a massively parallel quantum chemistry application written in Charm++ for simulations on supercomputers. Its developmental version was called LeanCP . Many important problems in material science , chemistry , solid-state physics , and biophysics require a modeling approach based on fundamental quantum mecha... | https://en.wikipedia.org/wiki/OpenAtom |
The OpenBSD Journal is an online newspaper dedicated to coverage of OpenBSD software and related events. The OpenBSD Journal is widely recognized as a reliable source of OpenBSD-related information. [ 1 ] [ 2 ] [ 3 ] It is a primary reporter for such events as Hackathons . The site also hosts the OpenBSD developers' bl... | https://en.wikipedia.org/wiki/OpenBSD_Journal |
The OpenBSD operating system focuses on security and the development of security features. [ 1 ] [ 2 ] : xxvii [ 3 ] According to author Michael W. Lucas, OpenBSD "is widely regarded as the most secure operating system available anywhere, under any licensing terms." [ 2 ] : xxix
Bugs and security flaws are often cause... | https://en.wikipedia.org/wiki/OpenBSD_security_features |
OpenCell is a laboratory in London.
OpenCell is primarily used for work related to biochemical and biomolecular activities such as DNA sequencing . [ 1 ] [ not verified in source ] It opened to the public in June 2018. [ 2 ] The space uses shipping containers to house biotechnology laboratories. [ 3 ] The laboratories... | https://en.wikipedia.org/wiki/OpenCell |
OpenCelliD is a collaborative community project that collects GPS positions of cell towers and their corresponding location area identity .
More than 49,000 contributors are registered with OpenCelliD, contributing more than 1 million new measurements every day on average to the OpenCelliD database. As of August 21, 2... | https://en.wikipedia.org/wiki/OpenCellID |
OpenChrom is an open source software for the analysis and visualization of mass spectrometric and chromatographic data. [ 4 ] Its focus is to handle native data files from several mass spectrometry systems (e.g. GC/MS, LC/MS, Py-GC/MS, HPLC-MS), vendors like Agilent Technologies , Varian , Shimadzu , Thermo Fisher , Pe... | https://en.wikipedia.org/wiki/OpenChrom |
This article describes the technical specifications of the OpenDocument office document standard , as developed by the OASIS industry consortium. A variety of organizations developed the standard publicly and make it publicly accessible, meaning it can be implemented by anyone without restriction. The OpenDocument form... | https://en.wikipedia.org/wiki/OpenDocument_technical_specification |
OpenFOAM ( Open Field Operation And Manipulation ) [ 8 ] is a C++ toolbox for the development of customized numerical solvers , and pre-/post-processing utilities for the solution of continuum mechanics problems, most prominently including computational fluid dynamics (CFD).
The OpenFOAM software is used in research o... | https://en.wikipedia.org/wiki/OpenFOAM |
open Home Automation Bus ( openHAB ) is an open source home automation software written in Java . It is deployed on premises and connects to devices and services from different vendors. As of 2019, close to 300 bindings are available as OSGi modules. [ 2 ] Actions, such as switching on lights, are triggered by rules, v... | https://en.wikipedia.org/wiki/OpenHAB |
The OpenHAN standards for home networks (sometimes called home grids) was promoted by groups such as openAMI ( Advanced Metering Infrastructure ) [ 1 ] and UtilityAMI. [ 2 ] Both efforts aim to standardize powerline networking interoperation from a utility point of view and ensure reliable communications co-extant with... | https://en.wikipedia.org/wiki/OpenHAN |
OpenJMS is one of the major providers of Java Message Service API, which implements Sun Microsystems ' Java Message Service API 1.1 Specification. The current release is OpenJMS 0.7.7-beta-1.
Java Message Service is an asynchronous communication mechanism in the distributed system field. It is very helpful in the situ... | https://en.wikipedia.org/wiki/OpenJMS |
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