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The force is proportional to the product of the two masses, and inversely proportional to the square of the distance between them.The equation for universal gravitation thus takes the form: F = G m 1 m 2 r 2 , {\displaystyle F=G{\frac {m_{1}m_{2}}{r^{2}}},} where F is the gravitational force acting between two objects,... | Wikipedia - Glossary of aerospace engineering | null | null | null |
A body acted upon by a force moves in such a manner that the time rate of change of momentum equals the force.Law 3. If two bodies exert forces on each other, these forces are equal in magnitude and opposite in direction.The three laws of motion were first stated by Isaac Newton in his Philosophiæ Naturalis Principia M... | Wikipedia - Glossary of aerospace engineering | null | null | null |
For many applications, such a task requires the definition of a solid of revolution shape that experiences minimal resistance to rapid motion through such a fluid medium. Nozzle – is a device designed to control the direction or characteristics of a fluid flow (especially to increase velocity) as it exits (or enters) a... | Wikipedia - Glossary of aerospace engineering | null | null | null |
NADH eliminates potentially toxic hydrogen peroxide under aerobic growth conditions and represents an enzymatic defense available against H2O2-mediated oxidative stress. Second, the enzyme presents an additional mechanism for regeneration of the NAD+ essential to the strictly fermentative metabolism of this organism. T... | Wikipedia - NADH peroxidase | null | null | null |
NADPH oxidases (NOXes) are one of the major sources of cellular reactive oxygen species (ROS), and they still are the focus of extensive research interest due to their exclusive function in producing ROS under normal physiological conditions. The NADPH oxidase complex is dormant under normal circumstances, but is activ... | Wikipedia - NAD(P)H oxidase | null | null | null |
Superoxide spontaneously dismutates to form peroxide which is then protonated to produce hydrogen peroxide. Opinions are polarised as to how the oxidase kills microbes in neutrophils. On the one hand it is thought that hydrogen peroxide acts as substrate for myeloperoxidase to produce hypochlorous acid. | Wikipedia - NAD(P)H oxidase | null | null | null |
It may also inactivate critical metabolic enzymes, initiate lipid peroxidation, damage iron-sulphur clusters, and liberate redox-active iron, which allows the generation of indiscriminate oxidants such as the hydroxyl radical. An alternative view is that the oxidase elevates the pH in the vacuole to about 9.0, which is... | Wikipedia - NAD(P)H oxidase | null | null | null |
In the gut, DUOX-dependent ROS production from bacteria-stimulated Drosophila melanogaster mucosa is an important pathogen-killing mechanism and can increase defecation as a defense response. In Aedes aegypti, DUOX is involved in the control of the gut indigenous microbiota. Rhodnius prolixus has calcium-activated DUOX... | Wikipedia - NAD(P)H oxidase | null | null | null |
NADRA, The National Database & Registration Authority (NADRA) was established on 10 March 2000. Nadra is also responsible to issuing the computerized national identity cards and Passports to the citizens of Pakistan. | Wikipedia - Government databases | null | null | null |
NAI has partnership program with other international astrobiology organizations to provide collaborative opportunities for its researchers within the global science community. | Wikipedia - NASA Astrobiology Institute | null | null | null |
NAND does not possess any of the following five properties, each of which is required to be absent from, and the absence of all of which is sufficient for, at least one member of a set of functionally complete operators: truth-preservation, falsity-preservation, linearity, monotonicity, self-duality. (An operator is tr... | Wikipedia - Sheffer stroke | null | null | null |
NAS acts as a potent antioxidant, NAS effectiveness as an anti-oxidant has been found to be different depending on the experimental model used, it has been described as being between 5 and 20 times more effect than melatonin at protecting against oxidant damage. NAS has been shown to protect against lipid peroxidation ... | Wikipedia - N-Acetylserotonin | null | null | null |
NAS has been reported to have anti-inflammatory effects. NAS has been shown to inhibit LPS-stimulated production of the proinflammatory cytokine TNF-alpha in differentiated THP-1-derived human monocytes. | Wikipedia - N-Acetylserotonin | null | null | null |
NAS has been shown to act as a potent TrkB receptor agonist, while serotonin and melatonin do not. Subchronic and chronic administration of NAS to adult mice induces proliferation of neural progenitor cells (NPC)s, blockage of TrkB abolished this effect suggesting that it is TrkB-dependent. NAS was also found to signif... | Wikipedia - N-Acetylserotonin | null | null | null |
NAS is produced from serotonin by the enzyme aralkylamine N-acetyltransferase (AANAT) and is converted to melatonin by acetylserotonin O-methyltransferase (ASMT). NAS is able to penetrate the blood–brain barrier, unlike serotonin. | Wikipedia - N-Acetylserotonin | null | null | null |
NAS may play a role in the antidepressant effects of selective serotonin reuptake inhibitors (SSRIs) and monoamine oxidase inhibitors (MAOIs). The SSRI fluoxetine and the MAO-A inhibitor clorgyline upregulate AANAT indirectly through serotonergic mechanisms and thereby increase NAS levels after chronic administration, ... | Wikipedia - N-Acetylserotonin | null | null | null |
In addition, AANAT knockout mice display significantly greater immobility times versus control mice in animal models of depression. These data support a potential role for NAS in mood regulation and in antidepressant-induced therapeutic benefits. Through a currently unidentified mechanism, NAS may be the cause of the o... | Wikipedia - N-Acetylserotonin | null | null | null |
NASA GISS reported 2020's globally averaged temperature was 1.84 °F (1.02 °C) warmer than the baseline 1951-1980 mean, slightly greater than 2016 but within the margin of error of the analysis, making 2020 effectively tie 2016 as the warmest year on record despite La Niña's cooling effect. Independently, Copernicus (EU... | Wikipedia - 2020 in climate change | null | null | null |
High northern latitudes:Siberia recorded its second warmest January–June temperatures on record—more than 5°C (9°F) above average—including up to 10°C (18°F) above average in June. Verkhoyansk, located north of the arctic circle, recorded a temperature of 38°C (100°F) on 20 June. An analysis showed that, without human-... | Wikipedia - 2020 in climate change | null | null | null |
The fire season in Sakha (Siberia) was unprecedented in the 20-year MODIS record in terms of an earlier start and northern extent, with some fires burning only about 11 km from the Chukchi Sea. From March through June, the burned area was greater than 2.9 times the 20-year mean. End-of-winter Arctic sea ice extent was ... | Wikipedia - 2020 in climate change | null | null | null |
April 2020 Northern Hemisphere sea ice volume was approximately 1,000 km3 below the 2010-2019 average, and October 2020 sea ice volume showed the lowest value in the preceding 10 years because of a second largest summer loss of 15.215 km3.6 February: in a 1 July 2021 press release, the World Meteorological Organization... | Wikipedia - 2020 in climate change | null | null | null |
Antarctic ice in 2020 was close to or slightly above the 42-year mean. On 16 August, Death Valley reached 54.4 °C (129.9 °F), the highest known temperature in the world in at least the last 80 years. On 4 January, Penrith, New South Wales reached 48.9 °C (120 °F), the highest observed temperature in an Australian metro... | Wikipedia - 2020 in climate change | null | null | null |
In the Middle East, temperature records were set in Jerusalem (42.7 °C, 108.8 °F), Eilat (48.9 °C, 120 °F), Kuwait Airport (52.1 °C, 125.8 °F) and Baghdad (51.8 °C, 125.2 °F). Ocean heat content (OHC) in the upper 2000 m (6600 ft) reached a record high in 2020 (data collected since 1958), the average annual linear rate... | Wikipedia - 2020 in climate change | null | null | null |
NOAA's National Centers for Environmental Information (NCEI) reported (see chart) that in 2020, the U.S. experienced 22 weather and climate-related events costing at least a billion dollars, exceeding the 1980–2019 inflation-adjusted average of 6.6 such events. The U.N. | Wikipedia - 2020 in climate change | null | null | null |
's 2020 Emissions Gap Report stated that the highest-earning 1% of the global population account for more than twice the combined greenhouse gas emissions of the lowest-earning 50%. To meet the 1.5 °C goal of the Paris Agreement, the 1 percent would need to reduce their current emissions by at least a factor of 30, whi... | Wikipedia - 2020 in climate change | null | null | null |
Reported September 2021: a record 227 environmental activists were killed throughout the world in 2020, with especially high numbers throughout Latin America and the Amazon, most of those killed being small-scale farmers or indigenous people, most defending forests from extractive industries including logging, agribusi... | Wikipedia - 2020 in climate change | null | null | null |
NASA and the PDS recently engaged in development of a Roadmap for the period 2017 to 2026. The purpose of the roadmap effort was to outline a strategy for moving forward in planetary data archiving under the auspices of a rapidly growing data volume (nearly 1 petabyte at present), new computing capabilities, tools, and... | Wikipedia - Planetary Data System | null | null | null |
NASA began its autonomous science experiment (ASE) on Earth Observing-1 (EO-1), which is NASA's first satellite in the millennium program, Earth-observing series launched on November 21, 2000. The autonomy of these satellites is capable of on-board science analysis, re-planning, robust execution, and model-based diagno... | Wikipedia - Future of space exploration | null | null | null |
NASA funding and sponsorship of the program ended on 30 September 2008, but GP-B secured alternative funding from King Abdulaziz City for Science and Technology in Saudi Arabia that enabled the science team to continue working at least through December 2009. On 29 August 2008, the 18th meeting of the external GP-B Scie... | Wikipedia - Gravity Probe B | null | null | null |
In the opinion of the SAC Chair, this rescue warrants comparison with the mission to correct the flawed optics of the Hubble Space Telescope, only here at a minuscule fraction of the cost. The Stanford-based analysis group and NASA announced on 4 May 2011 that the data from GP-B indeed confirms the two predictions of A... | Wikipedia - Gravity Probe B | null | null | null |
NASA scientists studying pictures from the Odyssey spacecraft have spotted what might be seven caves on the flanks of the Arsia Mons volcano on Mars. The pit entrances measure from 100 to 252 metres (328 to 827 ft) wide and they are thought to be at least 73 to 96 metres (240 to 315 ft) deep. See image below: the pits ... | Wikipedia - Geology of Mars | null | null | null |
Further investigation suggested that these were not necessarily lava tube "skylights". Review of the images has resulted in yet more discoveries of deep pits. Recently, a global database (MGC3) of over 1,000 Martian cave candidates at Tharsis Montes has been developed by the USGS Astrogeology Science Center. | Wikipedia - Geology of Mars | null | null | null |
In 2021, scientists are applying machine-learning algorithms to extend the MGC3 database across the entire surface of Mars.It has been suggested that human explorers on Mars could use lava tubes as shelters. The caves may be the only natural structures offering protection from the micrometeoroids, UV radiation, solar f... | Wikipedia - Geology of Mars | null | null | null |
NASA's Solar Dynamics Observatory (SDO) mission was launched in 2010 and is currently studying solar activity and how it causes space weather. Space weather affects not only our lives on Earth, but Earth itself, and everything outside its atmosphere (astronauts and satellites out in space and even the other planets). S... | Wikipedia - Heliophysics Science Division | null | null | null |
NASA's goal with this project is to develop a system that can aid pilots by giving them real-time expert advice in situations that pilot training does not cover or just aid with a pilot's train of thought during flight. Based on the IBM Watson cognitive computing system, the AI Flight Adviser pulls data from a large da... | Wikipedia - Future of space exploration | null | null | null |
However, in order for this to happen, there are still many supporting technologies required. In the future, NASA hopes to use this technology not only in flights on earth, but for future space exploration. Essentially, NASA plans to modify this AI flight Advisor for Longer range applications. In addition to what the te... | Wikipedia - Future of space exploration | null | null | null |
NASAStem is a program of the U.S. space agency NASA to increase diversity within its ranks, including age, disability, and gender as well as race/ethnicity. | Wikipedia - STEM subjects | null | null | null |
NASCAR Racing, the original versions of the top-selling American auto racing game series of all time, created by Stormfront for EA Sports. John Madden Football game designer Scott Orr, who produced a long series of games with Stormfront, championed the development of Andretti Racing, which led in turn to the creation o... | Wikipedia - Quantum Space | null | null | null |
Byzantine: The Betrayal, Although the game earned limited distribution in the United States, Stormfront's 1997 Discovery Channel game Byzantine: The Betrayal swept the European EMMA Awards at the Frankfurt Book Fair, winning honors as Best Adventure Game, Game of the Year, and CD of the Year. Tiger Woods PGA Tour Golf,... | Wikipedia - Quantum Space | null | null | null |
In 1994-1995 the company self-published these two baseball games, both distributed by EA. The baseball strike of 1994 severely hampered sales, and Stormfront returned to being solely a developer. Stormfront was the first video game developer to use motion control photography in a video game, in the Electronic Arts game... | Wikipedia - Quantum Space | null | null | null |
NASDAQ, founded in 1972 was the first electronic stock market. It was originally designed only as an electronic quotation system, with no ability to perform electronic trades. Other systems soon followed and by the turn of the century, every exchange was using this model. | Wikipedia - Stock market data systems | null | null | null |
NATGRID: India is setting up a national intelligence grid called NATGRID, which will become operational in 2013. NATGRID would allow access to each individual's data ranging from land records, Internet logs, air and rail PNR, phone records, gun records, driving license, property records, insurance, and income tax recor... | Wikipedia - Government databases | null | null | null |
NBCDs have been approved according to the classical generic paradigm based on pharmaceutical equivalence and bioequivalence without realizing the nano-properties of these type of medicinal compounds. Therefore, these compounds were seen as therapeutically equivalent. As mentioned above such an approach is not valid for... | Wikipedia - Non-biological complex drugs | null | null | null |
The reason is the complexity and the non-homologous composition of these synthetic large molecular products. Even slight differences in manufacturing might result in therapeutic or safety differences not to be attributed to a known or defined component. | Wikipedia - Non-biological complex drugs | null | null | null |
The existing and defined biosimilar pathway, taking into consideration the complexity of biologics and its follow-on products, is neither applicable for NBCDs and its similars. Since NBCDs are by definition not biologicals but are rather synthetic. However, basic principles can be used for an NBCD similar evaluation. | Wikipedia - Non-biological complex drugs | null | null | null |
Since the NBCD follow-on versions are not identical but only similar to the originator product, they are never the same as it is with generic small molecule products. NBCDs and their similars containing nanoparticulate can also be referred to as nanosimilars (see figure 1). A stepwise quality, non-clinical and clinical... | Wikipedia - Non-biological complex drugs | null | null | null |
There is a lack of non-clinical models to test such products like e.g. the rodent approach addressed by EMA in their reference paper for the NBCDs iron sucrose and its similars. Recently, the hatching egg model was used as an alternative model to study time-dependent iron concentrations in heart and liver avian tissues... | Wikipedia - Non-biological complex drugs | null | null | null |
When evaluated similar enough, the challenge then still is to define to either use them as a therapeutic alternative or as an equivalent product and if at the end the follow-on version can substitute the reference product or can be interchanged which also needs head-to-head comparisons in patients to prove therapeutic ... | Wikipedia - Non-biological complex drugs | null | null | null |
For the comparability exercise the question stays to evaluate the totality of evidence for enough similarity of such test drugs with the reference product to conclude of the extent of comparability and its impact on use. Currently, the FDA follows a case-by-case approach for the evaluation of NBCD follow-on products, w... | Wikipedia - Non-biological complex drugs | null | null | null |
The EMA on the other hand is supporting a class-related approach including non-clinical testing. A harmonized approach is, however, still missing. == References == | Wikipedia - Non-biological complex drugs | null | null | null |
NC programming typically requires that the geometry received from a CAD system, whether in wireframe, surface, solid or combined formats, be free from any irregularities and inconsistencies that may have occurred in the CAD phase of geometry creation. Data exchange from CAD to CAM must therefore include tools for ident... | Wikipedia - CAD data exchange | null | null | null |
In a true PLM environment, CAD to CAM data exchange must provide for more than the transfer of geometry. Product Manufacturing Information, whether generated by the designer for use by manufacturing, or generated by the manufacturing organization for use by design, must be a part of the data exchange system. STEP-NC wa... | Wikipedia - CAD data exchange | null | null | null |
NCBI Entrez Protein database NCBI Protein Structure database Human Protein Reference Database Human Proteinpedia Folding@Home (Stanford University) Archived 2012-09-08 at the Wayback Machine Protein Databank in Europe (see also PDBeQuips, short articles and tutorials on interesting PDB structures) Research Collaborator... | Wikipedia - Structural protein | null | null | null |
NCDC also maintained World Data Center for Meteorology, Asheville. The four World Centers (U.S., Russia, Japan and China) have created a free and open situation in which data and dialogue are exchanged. NCDC maintained the U.S. Climate Reference Network datasets amongst a vast number of other climate monitoring product... | Wikipedia - National Climatic Data Center | null | null | null |
NCEI resources are used for scientific research and commercial applications in many fields, including agriculture, forestry, marine and coastal ecosystems, tourism, transportation, civil infrastructure, energy, transportation, water resources, energy, health, insurance, litigation, and national security.For example, re... | Wikipedia - National Centers for Environmental Information | null | null | null |
Drought Monitor to make decisions about land management, herd size, and feed purchases. The freight railway industry uses a number of NCEI products—including Local Climatological Data, Integrated Surface Daily Database, and Global Historical Climatology Network—to predict where tracks might be blocked by landslides and... | Wikipedia - National Centers for Environmental Information | null | null | null |
NCI hosts multiple data sets that can be used on their computation systems including: Aboriginal and Torres Strait Islander Data Archive (ATSIDA) which provides Australian Indigenous research data Australian Astronomy Optical Data Repository (ODR) including: Anglo-Australian Telescope (AAT) current and selected histori... | Wikipedia - National Computational Infrastructure | null | null | null |
NCI operates the fastest filesystems in the Southern Hemisphere. 20 Petabytes of storage is available for fast I/O, 47 Petabytes is available for large data and research files, and 50 Petabytes is available on tape for archival. | Wikipedia - National Computational Infrastructure | null | null | null |
NCI-Nature Pathway Interaction Database Netpath: curated resource of signal transduction pathways in humans Reactome: navigable map of human biological pathways, ranging from metabolic processes to hormonal signalling (Ontario Institute for Cancer Research, European Bioinformatics Institute, NYU Langone Medical Center,... | Wikipedia - List of biological databases | null | null | null |
NCNR was launched in 2018 and the University of Birmingham obtained £42 million in funding, co-funded by the Engineering and Physical Sciences Research Council, to establish it. The consortium of the eight universities consist of the University of Birmingham, University of Bristol, University of Edinburgh, Lancaster Un... | Wikipedia - National Centre for Nuclear Robotics | null | null | null |
This research was published in Nature Machine Intelligence journal.Lancaster University aims to develop computing system software to make the robots semi-autonomous, which will simplify human control done remotely due to the highly radioactive environments surrounding nuclear waste in which the robots operate. The rese... | Wikipedia - National Centre for Nuclear Robotics | null | null | null |
The work is an active collaboration between the consortium partners and NASA Jet Propulsion Laboratory. The researchers at the University of Essex developed a methodology named SoCodeCNN to bridge the gap between natural language processing and computer vision using convolutional neural networks, aiming to increase the... | Wikipedia - National Centre for Nuclear Robotics | null | null | null |
SoCodeCNN was highlighted as the most popular paper in the IEEE Access journal after publication.The University of Lincoln are developing vision-guided self-learning mobile robots. The aim of the research team at the University of Lincoln is to build systems which can use machine learning to adapt to the unique conditi... | Wikipedia - National Centre for Nuclear Robotics | null | null | null |
NCP is collaborating with CERN in the field of experimental high-energy physics. NCP and CERN are involved in the development, testing and fabrication of 432 Resistive Plate Chambers (RPC) required for the CMS muon detector at CERN. The RPC has an excellent time resolution i.e. of the order of 1–2 nanoseconds and it wi... | Wikipedia - Abdus Salam Centre for Physics | null | null | null |
The RPC is a gaseous detector made using two parallel-plates of bakelite with high resistivity. Each RPC for CMS will be equipped with 96 electronic channels, which will be readout are based on 0.14 micrometre BiCMOS technology. For the complete system, number of readout channels are around 50,000. | Wikipedia - Abdus Salam Centre for Physics | null | null | null |
RNCP has an experimental high energy physics laboratory which is equipped with the high speed and advanced data acquisition system based on VME standards. This laboratory is used for prototyping and testing of RPCs at present. National Centre for Physics organized a three-day Grid Technology Workshop in Islamabad, Paki... | Wikipedia - Abdus Salam Centre for Physics | null | null | null |
NCP signed a memorandum of understanding during dr. K. R. Sreenivasan, Director ICTP's visit to Pakistan from 26 to 30 June 2005. In addition, the Centre carries out research in areas that are not covered by any institute of Physics. One such area being pursued by the Centre involves a number of activities in Experimen... | Wikipedia - Abdus Salam Centre for Physics | null | null | null |
NCRA has set up a unique facility for radio astronomical research using the metrewavelengths range of the radio spectrum, known as the Giant Metrewave Radio Telescope (GMRT), it is located at a site about 80 km north of Pune. GMRT consists of 30 fully steerable gigantic parabolic dishes of 45m diameter each spread over... | Wikipedia - National Centre for Radio Astrophysics | null | null | null |
GMRT is a unique instrument which opens up the sky at the Metrewave range of the Electromagnetic spectrum and using the technique of Aperture synthesis allows to make high sensitive maps of the sky. The instrument is at par with other radio telescopes in the world like the VLA in terms of resolution. It complements VLA... | Wikipedia - National Centre for Radio Astrophysics | null | null | null |
NCREE is aiming to improve seismic resistant designs for all constructions and to provide feedback to the engineering community through research and development. The Center was built for researchers to collaborate and check their theories by doing various experiments. Their goals are: - Establish and provide research f... | Wikipedia - National Center for Research on Earthquake Engineering | null | null | null |
- Develop and improve the seismic engineering database. - Create and carry out regulations relating to seismic design codes. - Co-ordinate and Integrate academic institutes and related industries. - Introduce, Develop and Educate on seismic-resisting technology. | Wikipedia - National Center for Research on Earthquake Engineering | null | null | null |
NCREE's seismic simulation laboratory has international standard facilities, such as eighteen sets of static hydraulic actuators and six sets of dynamic hydraulic actuators. | Wikipedia - National Center for Research on Earthquake Engineering | null | null | null |
NCTM has published a series of math Standards outlining a vision for school mathematics in the USA and Canada. In 1989, NCTM developed the Curriculum and Evaluation Standards for School Mathematics, followed by the Professional Standards for Teaching Mathematics (1991) and the Assessment Standards for School Mathematic... | Wikipedia - National Council of Teachers of Mathematics | null | null | null |
However, implementation of the reform has run into strong criticism and opposition, including parental revolts and the creation of antireform organizations such as Mathematically Correct and HOLD. These organizations object especially to reform curricula that greatly decrease attention to the practice and memorization ... | Wikipedia - National Council of Teachers of Mathematics | null | null | null |
NCTM participated in promoting the adoption of the New Mathematics also known at that time as Modern Mathematics. In 1960, NCTM with the financial support of the National Science Foundation, conducted eight Regional Orientation Conferences in Mathematics in various parts of the United States, pushing to "make a concert... | Wikipedia - National Council of Teachers of Mathematics | null | null | null |
Most school administrators "did not have the broad scientific background to evaluate the proposed innovations", so they faced the choice of either adopting one of the modern programs, or admit that they are not competent to judge the merits of any one. Ultimately, "many principals and superintendents urged the modern c... | Wikipedia - National Council of Teachers of Mathematics | null | null | null |
NCTM publishes five official journals. All are available in print and online versions. Teaching Children Mathematics supports improvement of pre-K–6 mathematics education by serving as a resource for teachers so as to provide more and better mathematics for all students. It is a forum for the exchange of mathematics id... | Wikipedia - National Council of Teachers of Mathematics | null | null | null |
Mathematics Teaching in the Middle School supports the improvement of grade 5–9 mathematics education by serving as a resource for practicing and prospective teachers, as well as supervisors and teacher educators. It is a forum for the exchange of mathematics idea, activities, and pedagogical strategies, and or sharing... | Wikipedia - National Council of Teachers of Mathematics | null | null | null |
It provides a forum for sharing activities and pedagogical strategies, deepening understanding of mathematical ideas, and linking mathematical education research to practice. Mathematics Teacher Educator, published jointly with the Association of Mathematics Teacher Educators, contributes to building a professional kno... | Wikipedia - National Council of Teachers of Mathematics | null | null | null |
NCTM does not conduct research in mathematics education, but it does publish the Journal for Research in Mathematics Education (JRME). JRME is devoted to the interests of teachers of mathematics and mathematics education at all levels—preschool through adult. JRME is a forum for disciplined inquiry into the teaching an... | Wikipedia - National Council of Teachers of Mathematics | null | null | null |
NDBC employs engineers, meteorologists, oceanographers, computer scientists, and other professionals. NDBC provides hourly observations from a network of about 90 buoys and 60 Coastal Marine Automated Network (C-MAN) stations to help meet these needs. All stations measure wind speed, direction, and gust; atmospheric pr... | Wikipedia - National Data Buoy Center | null | null | null |
Conductivity and water current are measured at selected stations. A new task is the operation of the DART (Deep-ocean Assessment and Reporting of Tsunamis) buoys. DART is a fleet of tsunami detecting buoys. | Wikipedia - National Data Buoy Center | null | null | null |
Another task adopted in 2005 is TAO (Tropical Atmosphere Ocean project) buoys. TAO is a fleet of over 50 buoys moored in the Pacific Ocean. | Wikipedia - National Data Buoy Center | null | null | null |
These buoys are designed to help detect and predict El Niño and La Niña. All buoys and many C-MAN stations located in offshore areas operate on marine batteries which are charged by solar cells. Sensors are calibrated in wind tunnels or environmental chambers, and later tested with the onboard station microprocessors, ... | Wikipedia - National Data Buoy Center | null | null | null |
Final calibration and testing of the completed buoy systems are accomplished in the onsite canal. All buoys are serviced about every two years for routine maintenance and to install newly calibrated sensors. The observations from moored buoys and C-MAN stations are transmitted hourly through NOAA Geostationary Operatio... | Wikipedia - National Data Buoy Center | null | null | null |
Additionally, some buoys and C-MAN stations may use the Iridium satellite system to transmit data. The data is recorded and processed by the National Oceanographic Data Center. Through a Memorandum of Agreement, the United States Coast Guard (USCG) remains a critically important partner to NDBC, supplying transportatio... | Wikipedia - National Data Buoy Center | null | null | null |
NDBC's main office is located in southern Mississippi at the John C. Stennis Space Center, a National Aeronautics and Space Administration (NASA) facility. This site was chosen because it contains an excellent pre-existing industrial facility which is adjacent to a canal with deep-water access to the Gulf of Mexico. Ot... | Wikipedia - National Data Buoy Center | null | null | null |
NDC Solutions PCX Corporation Dell EMC Modular Data Center Google Modular Data Center HP Performance Optimized Datacenter IBM Portable Modular Data Center Microsoft Azure Modular Datacenter Sun Modular Datacenter Internet Initiative Japan (IIJ) co-IZmo/I | Wikipedia - Modular data center | null | null | null |
NDGF Tier1 is a production Grid facility that leverages existing, national computational resources and Grid infrastructures. To qualify for support research groups should form a Virtual Organization, a VO. The VO provides compute resources for sharing and NDGF Tier1 operates a Grid interface for the sharing of these re... | Wikipedia - Nordic Data Grid Facility | null | null | null |
Currently, most computational resources of NDGF Tier1 are accessible through ARC middleware. Some resources are also available via AliEn software. Distributed storage facility is realised through dCache storage management solution. Today, the dominant user community of the NDGF Tier1 is the High Energy Physics - the AL... | Wikipedia - Nordic Data Grid Facility | null | null | null |
NDI supports arbitrary metadata as XML blocks, embedded in video and audio frames, as well as stand-alone metadata frames. The content of these metadata blocks form 3 families. Internal metadata used by NDI invisibly. | Wikipedia - Network Device Interface | null | null | null |
These messages are used for connectivity and some other fundamental tasks like Tally. They are typically invisible to NDI clients. Defined public metadata. | Wikipedia - Network Device Interface | null | null | null |
These messages include things like the NDI PTZ Protocol. They are defined by NewTek as part of the NDI SDK. Third-party metadata schemas. These messages are implemented in the same way as defined NDI metadata but the content is based on third-party designs. | Wikipedia - Network Device Interface | null | null | null |
NDN can use conventional routing algorithms such as link state and distance vector. Instead of announcing IP prefixes, an NDN router announces name prefixes that cover the data the router is willing to serve. Conventional routing protocols, such as OSPF and BGP, can be adapted to route on name prefixes by treating name... | Wikipedia - Named data networking | null | null | null |
NDN includes sixteen NSF-funded principal investigators at twelve campuses, and growing interest from the academic and industrial research communities. More than 30 institutions form a global testbed. There exists a large body of research and an actively growing code base. | Wikipedia - Named data networking | null | null | null |
contributed to NDN. The NDN forwarder is currently supported on Ubuntu 18.04 and 20.04, Fedora 20+, CentOS 6+, Gentoo Linux, Raspberry Pi, OpenWRT, FreeBSD 10+, and several other platforms. Common client libraries are actively supported for C++, Java, Javascript, Python, .NET Framework (C#), and Squirrel programming la... | Wikipedia - Named data networking | null | null | null |
The NDN-LITE is a lightweight NDN library designed for IoT networks and constrained devices. NDN-LITE is being actively developed and so far, NDN-LITE has been adapted to POSIX, RIOT OS, NRF boards. An NDN simulator and emulator are also available and actively developed. Several client applications are being developed ... | Wikipedia - Named data networking | null | null | null |
NDN names are opaque to the network. This allows each application to choose the naming scheme that fits its needs, and naming can thus evolve independently from the network. | Wikipedia - Named data networking | null | null | null |
NDN routes and forwards packets based on names, which eliminates three problems caused by addresses in the IP architecture: Address space exhaustion: NDN namespace is essentially unbounded. The namespace is only bounded by the max interest packet size of 8kb and the number of possible unique combinations of characters ... | Wikipedia - Named data networking | null | null | null |
In network multicasting: A producer of data does not need to receive multiple interests for the same data since the PIT entries at downstream forwarders will aggregate interests. The producer receives and responds to a single interest and those forwarding nodes in which multiple incoming interest were received will mul... | Wikipedia - Named data networking | null | null | null |
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