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The yield strength anomaly is exploited in the design of gas turbines and jet engines that operate at high temperatures, where the materials used are selected based on their paramount yield and creep resistance. Superalloys can withstand high temperature loads far beyond the capabilities of steels and other alloys, and... | 0 | Metallurgy |
For classical silencers, the signaling pathway is relatively simple. Since repression is active, silencer elements target the assembly of GTFs, necessary for transcription of the gene. These silencer elements are mostly located upstream of the gene and can vary between short and long distances. For long-range silencers... | 1 | Gene expression + Signal Transduction |
*Vibration - either sinusoidal vibration or gyratory vibration.
**Sinusoidal Vibration occurs at an angled plane relative to the horizontal. The vibration is in a wave pattern determined by frequency and amplitude.
**Gyratory Vibration occurs at near level plane at low angles in a reciprocating side to side motion.
*G... | 0 | Metallurgy |
A receptor activated solely by a synthetic ligand (RASSL) or designer receptor exclusively activated by designer drugs (DREADD), is a class of artificially engineered protein receptors used in the field of chemogenetics which are selectively activated by certain ligands. They are used in biomedical research, in particu... | 1 | Gene expression + Signal Transduction |
Response regulator proteins typically consist of a receiver domain and one or more effector domains, although in some cases they possess only a receiver domain and exert their effects through protein-protein interactions. In two-component signaling, a histidine kinase responds to environmental changes by autophosphoryl... | 1 | Gene expression + Signal Transduction |
Much gold jewelry is produced by casting, with little or no cold working; which, depending on the alloy grade, may leave the metal relatively soft and bendable. However, a jeweler may intentionally use work hardening to strengthen wearable objects that are exposed to stress, such as rings. | 0 | Metallurgy |
Aratashen (, also Romanized as Arratashen; also, Artashen; until 1978 Zeyva Hayi – meaning "Armenian Zeyva", Zeyva, Bol’shaya Zeyva and Nerkin-Zeyva) is a town in the Armavir Province of Armenia. It is located on the Ararat Plain. | 0 | Metallurgy |
A conceptual breakthrough of Jacob and Monod was to recognize the distinction between regulatory substances and sites where they act to change gene expression. A former soldier, Jacob used the analogy of a bomber that would release its lethal cargo upon receipt of a special radio transmission or signal. A working sys... | 1 | Gene expression + Signal Transduction |
Because BIK1 is a possible regulator of the FLS2-BAK1 complex, it is speculated that in vitro, BAK1 phosphorylates BIK1, which then phosphorylates both FLS2 and BAK1. However, in vivo, BIK1 is not phosphorylated until about 5-10 minutes after the addition of FS2, and the peak phosphorylation occurs just after the phos... | 1 | Gene expression + Signal Transduction |
Only with the Incas would metals really come into practical use. At Machu Picchu and other sites, metal was used for bolas, plumb bobs, chisels, gravers, pry bars, tweezers, needles, plates, fish hooks, spatulas, ladles, knives (tumi), bells, breastplates, lime spoons, mace heads, ear spools, bowls, cloak pins (tupus),... | 0 | Metallurgy |
There are three main categories for triggering the release of sigmas factors from anti-sigma factors: partner switching, direct signaling, and a mechanism regulated by proteolysis.
The partner-switching mechanism is commonly found in Gram-positive bacteria. It consists of four key players: a sigma factor, an anti-sigma... | 1 | Gene expression + Signal Transduction |
The same way that RNA silencing regulates downstream target mRNAs, RNA silencing itself is regulated. For example, silencing signals get spread between cells by a group of enzymes called RdRPs (RNA-dependent RNA polymerases) or RDRs. | 1 | Gene expression + Signal Transduction |
Stress signals can cause protein kinases, known as EIF-2 kinases, to phosphorylate the α subunit of a protein complex called translation initiation factor 2 (eIF2), resulting in the gene ATF4 being turned on, which will further affect gene expression. eIF2 consists of three subunits: eIF2α, eIF2β and eIF2γ. eIF2α conta... | 1 | Gene expression + Signal Transduction |
Fretting in Aluminium causes black debris to be present in the contact area due to the fine oxide particles. | 0 | Metallurgy |
CAF-1 is required for the spatial organization and epigenetic marking of heterochromatin domains in pluripotent embryonic cells, creating a cellular memory of somatic cell identity during cellular differentiation.
Cells resembling 2-cell-stage mouse embryos (totipotent cells) can be induced in vitro through downregulat... | 1 | Gene expression + Signal Transduction |
Volatilizing roasting, involves oxidation at elevated temperatures of the ores, to eliminate impurity elements in the form of their volatile oxides. Examples of such volatile oxides include AsO, SbO, ZnO and sulfur oxides. Careful control of the oxygen content in the roaster is necessary, as excessive oxidation can for... | 0 | Metallurgy |
The primary role of CTCF is thought to be in regulating the 3D structure of chromatin. CTCF binds together strands of DNA, thus forming chromatin loops, and anchors DNA to cellular structures like the nuclear lamina. It also defines the boundaries between active and heterochromatic DNA.
Since the 3D structure of DNA in... | 1 | Gene expression + Signal Transduction |
Several domains of PCAF can act independently or in unison to enable its functions. PCAF has separate acetyltransferase and E3 ubiquitin ligase domains as well as a bromodomain for interaction with other proteins. PCAF also possesses sites for its own acetylation and ubiquitination. | 1 | Gene expression + Signal Transduction |
Mineral processing and extraction of metals are very energy-intensive processes, which are not exempted of producing large volumes of solid residues and wastewater, which also require energy to be further treated and disposed. Moreover, as the demand for metals increases, the metallurgical industry must rely on sources... | 0 | Metallurgy |
cAMP was discovered by Earl Sutherland and Ted Rall in the mid 1950s. cAMP is considered a secondary messenger along with Ca. Sutherland won the Nobel Prize in 1971 for his discovery of the mechanism of action of epinephrine in glycogenolysis, that requires cAMP as secondary messenger. | 1 | Gene expression + Signal Transduction |
The invention and widespread application of hydraulic mining, namely hushing and ground-sluicing, aided by the ability of the Romans to plan and execute mining operations on a large scale, allowed various base and precious metals to be extracted on a proto-industrial scale only rarely matched until the Industrial Revol... | 0 | Metallurgy |
Calcite rafts were first observed by Allison in 1923 on solution drops attached to concrete derived straw stalactites, and later by Ver Steeg. When the drip rate is ≥5 minutes between drops, calcium carbonate will have precipitated on the solution drop surface (at the end of a stalactite) to form calcite rafts visible ... | 0 | Metallurgy |
* Vg1 Family
* Activin Family
** Involved in embryogenesis and osteogenesis
** Regulate insulin and pituitary, gonadal, and hypothalamic hormones
** Nerve cell survival factors
**3 Activins: Activin A, Activin B and Activin AB.
* Glial-Derived Neurotrophic Factor (GDNF)
** Needed for kidney and enteric neuron differen... | 1 | Gene expression + Signal Transduction |
Before being taken to the ingenio (amalgamation refinery), excess material would be broken off of the silver ore. At the refiner, it was ground to a fine sand (harina) by an arrastra or stamp mill, which consisted of a rotating shaft fitted with heavy iron stamps that crushed the ore against a mortar block. The harina ... | 0 | Metallurgy |
Learning and memory have levels of permanence, differing from other mental processes such as thought, language, and consciousness, which are temporary in nature. Learning and memory can be either accumulated slowly (multiplication tables) or rapidly (touching a hot stove), but once attained, can be recalled into consci... | 1 | Gene expression + Signal Transduction |
A lixiviant is a chemical used in hydrometallurgy to extract elements from its ore. One of the most famous lixiviants is cyanide, which is used in extracting 90% of mined gold. The combination of cyanide and air converts gold particles into a soluble salt. Once separated from the bulk gangue, the solution is proces... | 0 | Metallurgy |
A promoter is defined in RegulonDB as the nucleotide sequence 60 bases upstream and 20 downstream from the precise initiation of transcription or +1. Terminators are regions where transcription ends, and RNA Polymerase unbinds from DNA. | 1 | Gene expression + Signal Transduction |
Development of AFA superalloys with a 35 wt.% Ni-base have shown potential for use in operating temperatures upwards to 1,100 °C. | 0 | Metallurgy |
The first reverberatory furnaces were perhaps in the medieval period, and were used for melting bronze for casting bells. They were first applied to smelting metals in the late 17th century. Sir Clement Clerke and his son Talbot built cupolas or reverberatory furnaces in the Avon Gorge below Bristol in about 1678. In ... | 0 | Metallurgy |
PA is a vital cell lipid that acts as a biosynthetic precursor for the formation (directly or indirectly) of all acylglycerol lipids in the cell.
In mammalian and yeast cells, two different pathways are known for the de novo synthesis of PA, the glycerol 3-phosphate pathway or the dihydroxyacetone phosphate pathway. In... | 1 | Gene expression + Signal Transduction |
The carbothermic route to magnesium has been recognized as a low energy, yet high productivity path to magnesium extraction. The chemistry is as follow:
The reaction between magnesia and carbon produces a magnesium and carbon monoxide vapour. A disadvantage of this method is that slow cooling the vapour can cause the r... | 0 | Metallurgy |
Lead can form a low-melting slag capable of fluxing protective oxide scales. Lead is more often known for causing stress corrosion cracking in common materials that are exposed to molten lead. The cracking tendency of lead has been known for some time, since most iron based alloys, including those used in steel contain... | 0 | Metallurgy |
Cast bronzes are known to have been produced in Africa by the 9th century AD in Igboland (Igbo-Ukwu) in Nigeria, the 12th century AD in Yorubaland (Ife) and the 15th century AD in the kingdom of Benin. Some portrait heads remain.
Benin mastered bronze during the 16th century, produced portraiture and reliefs in the met... | 0 | Metallurgy |
Chromatin assembly factor-1 (CAF-1) is a protein complex — including Chaf1a (p150), Chaf1b (p60), and p48 subunits in humans, or Cac1, Cac2, and Cac3, respectively, in yeast— that assembles histone tetramers onto replicating DNA during the S phase of the cell cycle. | 1 | Gene expression + Signal Transduction |
TRIM28 has been shown to interact with:
* CBX5,
* CEBPB,
* Glucocorticoid receptor,
* SETDB1 and
* ZNF10. | 1 | Gene expression + Signal Transduction |
The Society for Mining, Metallurgy & Exploration publishes the monthly magazine Mining Engineering since 1949. | 0 | Metallurgy |
A piece of alloy metal containing a precious metal may also have the weight of its precious component referred to as its "fine weight". For example, 1 troy ounce of 18 karat gold (which is 75% gold) may be said to have a fine weight of 0.75 troy ounces.
Most modern government-issued bullion coins specify their fine wei... | 0 | Metallurgy |
The ability of enhancers to activate imprinted genes is dependent on the presence of an insulator on the unmethylated allele between the two genes. An example of this is the Igf2-H19 imprinted locus. In this locus the CTCF protein regulates imprinted expression by binding to the unmethylated maternal imprinted control ... | 1 | Gene expression + Signal Transduction |
Traditionally, enhancers were identified by enhancer trap techniques using a reporter gene or by comparative sequence analysis and computational genomics. In genetically tractable models such as the fruit fly Drosophila melanogaster, for example, a reporter construct such as the lacZ gene can be randomly integrated int... | 1 | Gene expression + Signal Transduction |
Besides de novo synthesis, PA can be formed in three ways:
* By phospholipase D (PLD), via the hydrolysis of the P-O bond of phosphatidylcholine (PC) to produce PA and choline.
* By the phosphorylation of diacylglycerol (DAG) by DAG kinase (DAGK).
* By the acylation of lysophosphatidic acid by lysoPA-acyltransferase (L... | 1 | Gene expression + Signal Transduction |
Design errors arise when the desired use case was not properly accounted for, leading to a ineffective design, such as the stress state in service or potential corrosive agents in the service environment. Design errors often include dimensioning and materials selection, but it can also be the complete design. | 0 | Metallurgy |
LHCGR have been found in many types of extragonadal tissues, and the physiologic role of some has remained largely unexplored. Thus receptors have been found in the uterus, sperm, seminal vesicles, prostate, skin, breast, adrenals, thyroid, neural retina, neuroendocrine cells, and (rat) brain. | 1 | Gene expression + Signal Transduction |
IP's main functions are to mobilize Ca from storage organelles and to regulate cell proliferation and other cellular reactions that require free calcium. In smooth muscle cells, for example, an increase in concentration of cytoplasmic Ca results in the contraction of the muscle cell.
In the nervous system, IP serves as... | 1 | Gene expression + Signal Transduction |
The first swords known so far date to ca. the 33rd to 31st centuries BCE, during the Early Bronze Age, and have been founds at Arslantepe by Marcella Frangipane of Sapienza University of Rome. A cache of nine swords and daggers was found; they are cast from an arsenic–copper alloy. Analysis of two swords showed a coppe... | 0 | Metallurgy |
The plant sorghum is well established model organism and can adapt in hot and dry environments. For this reason, it is used as a model to study calmodulins role in plants. Sorghum contains seedlings that express a glycine-rich RNA-binding protein, SbGRBP. This particular protein can be modulated by using heat as a stre... | 1 | Gene expression + Signal Transduction |
Plaster casting is similar to sand casting except that plaster of paris is used instead of sand as a mold material. Generally, the form takes less than a week to prepare, after which a production rate of 1–10 units/hr-mold is achieved, with items as massive as and as small as with very good surface finish and close t... | 0 | Metallurgy |
Non-protein phosphorylation has three general forms
* As a regulatory mechanism to control the function of the substrate, similar to the role of protein phosphorylation. Phosphoinositide lipids are important signaling molecules that have a variety of dedicated kinases and phosphatases.
* As an energetic intermediate. T... | 1 | Gene expression + Signal Transduction |
Mammalian cell expression systems are essential for the transient production of recombinant proteins and their complementary post-translational modifications. In fact, approximately half of the current commercially available therapeutic proteins are produced in mammalian cells. However, mammalian cell systems' slow gro... | 1 | Gene expression + Signal Transduction |
The restoration of the plant began immediately after the end of the battles for the city, and on February 14, 1944, the plant carried out the first steel smelting from the flat furnace; in March 1944, the rolling mill and the first blast furnace were put into operation; between 1944 and 1946, the enterprise was awarded... | 0 | Metallurgy |
White etching cracks (WEC), or white structure flaking or brittle flaking, is a type of rolling contact fatigue (RCF) damage that can occur in bearing steels under certain conditions, such as hydrogen embrittlement, high stress, inadequate lubrication, and high temperature. WEC is characterised by the presence of white... | 0 | Metallurgy |
Wet storage stain is a white, crumbly, and porous substance that is a mixture of three chemical compounds: 2ZnCO·3Zn(OH), ZnO, and β-Zn(OH). Underneath the white coating is usually a dark gray surface. The corrosion product is very voluminous; it is approximately 100 times greater in volume than the zinc consumed. Beca... | 0 | Metallurgy |
Interleukin 34 (IL-34) is a protein belonging to a group of cytokines called interleukins. It was originally identified in humans, by large scale screening of secreted proteins; chimpanzee, murine, rat and chicken interleukin 34 orthologs have also been found. The protein is composed of 241 amino acids, 39 kilodaltons ... | 1 | Gene expression + Signal Transduction |
In iron ore smelting, haematite gets reduced at the top of the furnace, where temperature is in the range 600 – 700 °C. The Ellingham diagram indicates that in this range carbon monoxide acts as a stronger reducing agent than carbon since the process
:2 CO + → 2
has a more-negative free energy change than the proce... | 0 | Metallurgy |
Social insect colonies are an excellent example of a decentralized system, because no individual is in charge of directing or making decisions for the colony. Several groups of social insects have been shown to use quorum sensing in a process that resembles collective decision-making. | 1 | Gene expression + Signal Transduction |
These adenylyl cyclases are the most familiar based on extensive study due to their important roles in human health. They are also found in some bacteria, notably Mycobacterium tuberculosis where they appear to have a key role in pathogenesis. Most AC-III's are integral membrane proteins involved in transducing extrace... | 1 | Gene expression + Signal Transduction |
Ores mined for their base metal content often contain precious metals, usually gold and silver. These have to be removed from the base metals as part of the refining processes used to purify the metals. In the case of copper electrolytic refining, the gold and silver fall to the bottom of the electrolytic refining cell... | 0 | Metallurgy |
An mRNA molecule is said to be monocistronic when it contains the genetic information to translate only a single protein chain (polypeptide). This is the case for most of the eukaryotic mRNAs. On the other hand, polycistronic mRNA carries several open reading frames (ORFs), each of which is translated into a polypeptid... | 1 | Gene expression + Signal Transduction |
Histone modification is a well-studied mechanism to transiently adjust chromatin density. Pioneer factors can play a role in this by binding specific enhancers and flagging histone modification enzymes to that specific gene. Repressive pioneer factors can inhibit transcription by recruiting factors that modify histon... | 1 | Gene expression + Signal Transduction |
Monoamines transported by VMATs are mainly noradrenaline, adrenaline, dopamine, serotonin, histamine, and trace amines. Exogenous substrates include guanethidine and MPP. | 1 | Gene expression + Signal Transduction |
Aluminothermic reactions are exothermic chemical reactions using aluminium as the reducing agent at high temperature. The process is industrially useful for production of alloys of iron. The most prominent example is the thermite reaction between iron oxides and aluminium to produce iron itself:
: FeO + 2 Al → 2... | 0 | Metallurgy |
The experimental microorganism used by François Jacob and Jacques Monod was the common laboratory bacterium, E. coli, but many of the basic regulatory concepts that were discovered by Jacob and Monod are fundamental to cellular regulation in all organisms. The key idea is that proteins are not synthesized when they ar... | 1 | Gene expression + Signal Transduction |
Cataclasis, or comminution, is a non-elastic brittle mechanism that operates under low to moderate homologous temperatures, low confining pressure and relatively high strain rates. It occurs only above a certain differential stress level, which is dependent on fluid pressure and temperature. Cataclasis accommodates the... | 0 | Metallurgy |
Pouring metal defects include misruns, cold shuts, and inclusions. A misrun occurs when the liquid metal does not completely fill the mould cavity, leaving an unfilled portion. Cold shuts occur when two fronts of liquid metal do not fuse properly in the mould cavity, leaving a weak spot. Both are caused by either a lac... | 0 | Metallurgy |
Targets of (p)ppGpp include rRNA operons, of which there are seven in E.coli, all of which have 2 promoters. When (p)ppGpp associates with the promoter it affects the RNA polymerase enzyme's ability to bind and initiate transcription. It is thought that (p)ppGpp may affect the stability of the open complex formed by RN... | 1 | Gene expression + Signal Transduction |
Fifty-six new copper discoveries have been made during the three decades 1975–2005. World discoveries of new copper deposits are said to have peaked in 1996. However, according to the US Geological Survey (USGS), remaining world copper reserves have more than doubled since then, from 310 million metric tons in 1996 to ... | 0 | Metallurgy |
The ore is comminuted using grinding machinery. Depending on the ore, it is sometimes further concentrated by froth flotation or by centrifugal (gravity) concentration. Water is added to produce a slurry or pulp. The basic ore slurry can be combined with a solution of sodium cyanide or potassium cyanide; many operation... | 0 | Metallurgy |
In metallurgy, refining consists of purifying an impure metal. It is to be distinguished from other processes such as smelting and calcining in that those two involve a chemical change to the raw material, whereas in refining, the final material is usually identical chemically to the original one, only it is purer. Th... | 0 | Metallurgy |
The access fittings - such as flanged, flare-weld, etc.- are used for connection and access to coupons and probes. The general size of A/F is 2" which is called 2" system. But for small pipe sizes, 1" system can be used. | 0 | Metallurgy |
Plastic pipes under water or other fluids experience hydrodynamic forces that can result in fatigue. The pipes reach failure sooner as temperatures and exposure to aggressive substances increase. For static fatigue tests, rotating machines apply weight on the material under study causing it to bend in different directi... | 0 | Metallurgy |
EpoRs role in lineage commitment is currently unclear. EpoR expression can extend as far back as the hematopoietic stem cell compartment. It is unknown whether EpoR signaling plays a permissive (i.e. induces only survival) or an instructive (i.e. upregulates erythroid markers to lock progenitors to a predetermined diff... | 1 | Gene expression + Signal Transduction |
Enhancers as sites of extragenic transcription were initially discovered in genome-wide studies that identified enhancers as common regions of RNA polymerase II (RNA pol II) binding and non-coding RNA transcription. The level of RNA pol II–enhancer interaction and RNA transcript formation were found to be highly variab... | 1 | Gene expression + Signal Transduction |
The Open Regulatory Annotation Database (also known as ORegAnno) is designed to promote community-based curation of regulatory information. Specifically, the database contains information about regulatory regions, transcription factor binding sites, regulatory variants, and haplotypes. | 1 | Gene expression + Signal Transduction |
Gas Engine Row has many large stationary gas engines from the early 1900s. On the row is an operational Fairbanks-Morse mine hoist winding engine, a pumphouse powered by a Fairbanks-Morse engine, a horsepower 1922 Fairbanks-Morse type YV engine connected to a large alternator, an enormous 1914 Chicago-Pneumatic hot-... | 0 | Metallurgy |
The advantages are:
*Decrease in yield strength, therefore it is easier to work and uses less energy or force
*Increase in ductility
*Elevated temperatures increase diffusion which can remove or reduce chemical inhomogeneities
*Pores may reduce in size or close completely during deformation
*In steel, the weak, ductile... | 0 | Metallurgy |
*ISO.15730:2000 Metallic and other Inorganic Coatings - Electropolishing as a Means of Smoothing and Passivating Stainless Steel
*ASME BPE Standards for Electropolishing Bioprocessing Equipment
*SEMI F19, Electropolishing Specifications for Semiconductor Applications
*ASTM B 912-02 (2008), Passivation of Stainless Stee... | 0 | Metallurgy |
The reducing atmosphere, rich in CO and H, can be created from the high-temperature cracking of natural gas at around 1100-1150 °C, in the presence of oxidized gases (HO and CO) from ore reduction reactors.
+ CO → 2 CO + H</small>
+ HO → CO + 3 H</small>
The system that generates the reducing gases is called... | 0 | Metallurgy |
McQuillan was awarded the Rosenhain Medal in 1965. She was on the Interservices Metallurgical Research Council until 1989 and in 1967 served as vice-president of the Institute of Metals. In 1968 she was fundamental to the First International Conference on Titanium in London. | 0 | Metallurgy |
Substantial decreases in extracellular Ca ion concentrations may result in a condition known as hypocalcemic tetany, which is marked by spontaneous motor neuron discharge. In addition, severe hypocalcaemia will begin to affect aspects of blood coagulation and signal transduction.
Ca ions can damage cells if they enter ... | 1 | Gene expression + Signal Transduction |
*Isaaks, Edward H., and Srivastava, R. Mohan. An Introduction to Applied Geostatistics. Oxford University Press, Oxford, NY, USA, 1989.
*David, M., Handbook of Applied Advanced Geostatistical Ore Reserve Estimation. Elsevier, Amsterdam, 1988.
*Mineral Processing Plant Design, Practice, and Control - Proceedings. Ed.... | 0 | Metallurgy |
The natural selection power for dephosphorylation is less understood. A recent study has found that IRF9, which is from the interferon-regulatory factors family (IRFs), a critical family for anti-viral immune response, could be influenced by natural selection during Human species evolution. The positive selection has b... | 1 | Gene expression + Signal Transduction |
Induction of proliferation by the EpoR is likely cell type-dependent. It is known that EpoR can activate mitogenic signaling pathways and can lead to cell proliferation in erythroleukemic cell lines in vitro, various non-erythroid cells, and cancer cells. So far, there is no sufficient evidence that in vivo, EpoR signa... | 1 | Gene expression + Signal Transduction |
The expression of genes in the operon is controlled by three differentially regulated promoters, two of which are controlled by RpoS encoded sigma factor σ.
* csiD : is σ-dependent and is activated exclusively upon carbon starvation because cAMP-CRP acts an essential activator for σ containing RNA polymerase at the cs... | 1 | Gene expression + Signal Transduction |
Senapathy analyzed the distribution of the ORF lengths in computer-generated random DNA sequences first. Surprisingly, this study revealed that about 200 codons (600 bases) was the upper limit in ORF lengths. The shortest ORF (zero base in length) was the most frequent. At increasing lengths of ORFs, their frequency de... | 1 | Gene expression + Signal Transduction |
cAMP-dependent protein kinase type I-alpha regulatory subunit is an enzyme that in humans is encoded by the PRKAR1A gene. | 1 | Gene expression + Signal Transduction |
# Magnetic materials e.g. alnico, sendust, Permendur, FeCo, Terfenol-D
# Superconductors e.g. A15 phases, niobium-tin
# Hydrogen storage e.g. AB compounds (nickel metal hydride batteries)
# Shape memory alloys e.g. Cu-Al-Ni (alloys of CuAl and nickel), Nitinol (NiTi)
# Coating materials e.g. NiAl
# High-temperature str... | 0 | Metallurgy |
Defects in the erythropoietin receptor may produce erythroleukemia and familial erythrocytosis. Overproduction of red blood cells increases a chance of adverse cardiovascular event, such as thrombosis and stroke.
Rarely, seemingly beneficial mutations in the EpoR may arise, where increased red blood cell number allows ... | 1 | Gene expression + Signal Transduction |
It was previously thought that it was the relatively small RNA polymerase that moves along the comparatively larger DNA template during transcription. However, increasing evidence supports the notion that due to the tethering of a transcription factory to the nuclear matrix, it is in fact the large DNA template that is... | 1 | Gene expression + Signal Transduction |
Dunne completed a Bachelor of Science and Master of Engineering degree from the Department of Mechanical Engineering, University of Bristol by 1989, and moved to the Department of Mechanical and Process Engineering, University of Sheffield, for a Doctor of Philosophy in Computer Aided Modelling of Creep-cyclic Plastici... | 0 | Metallurgy |
In this technique it is necessary to select a suitable interlayer by considering its wettability, flow characteristics, high stability to prevent reactions with the base materials, and the ability to form a composition having a remelt temperature higher than the bonding temperature. The joining technique dates back to ... | 0 | Metallurgy |
One of the best-known ironmasters of the early part of the industrial revolution was John Wilkinson (1728–1808), who was considered to have "iron madness", extending even to making cast iron coffins. Wilkinsons patented method for boring iron cylinders was first used to create cannons, but later provided the precision ... | 0 | Metallurgy |
The mineral was recorded in 1955 on three bronze artifacts from ancient Egypt, which were being held in the Fogg Art Museum at Harvard. Chalconatronite was found inside of two bronze figures (one depicting a seated Sekhmet, and another one depicting a group of cats and kittens) from around the late Nubian Dynasty or ea... | 0 | Metallurgy |
The detection of eRNAs is fairly recent (2010) and has been made possible through the use of genome-wide investigation techniques such as RNA sequencing (RNA-seq) and chromatin immunoprecipitation-sequencing (ChIP-seq). RNA-seq permits the direct identification of eRNAs by matching the detected transcript to the corres... | 1 | Gene expression + Signal Transduction |
In the years up to 1960 the following approximate division of Fulmer's income applied: about 25% of project work was for UK Government defence agencies; 25% for the Atomic Energy Authority and another 10% for other Government agencies. About 10% was for US Government agencies (the US Air Force and the Office of Aerospa... | 0 | Metallurgy |
The puddling furnace is a metalmaking technology used to create wrought iron or steel from the pig iron produced in a blast furnace. The furnace is constructed to pull the hot air over the iron without the fuel coming into direct contact with the iron, a system generally known as a reverberatory furnace or open hearth ... | 0 | Metallurgy |
E74-like factor 1 (ets domain transcription factor) is a protein that in humans is encoded by the ELF1 gene. | 1 | Gene expression + Signal Transduction |
Although in the aforementioned example, oxic conditions were always considered with the reduction of dissolved in the cathodic zones, pitting corrosion may also occur under anoxic, or reducing, conditions. Indeed, the very harmful reduced species of sulfur (, , , , , S and ) can only subsist under reducing conditions.... | 0 | Metallurgy |
The shutter in the closed position fits within the window casement. This was the prevalent approach in the Colonies from New York and south. An advantage is the additional security because the shutters can not be lifted from the pintles in the closed position. A disadvantage is that the shutters must be matched closely... | 0 | Metallurgy |
Nod factors (nodulation factors or NF), are signaling molecules produced by soil bacteria known as rhizobia in response to flavonoid exudation from plants under nitrogen limited conditions. Nod factors initiate the establishment of a symbiotic relationship between legumes and rhizobia by inducing nodulation. Nod factor... | 1 | Gene expression + Signal Transduction |
The term depletion gilding usually refers to the production of a layer of gold. However, it can also be used to produce a layer that is an alloy of gold and silver, sometimes referred to as electrum. Certain chemicals, such as oxalic acid, attack copper but do not affect either silver or gold. Using such a chemical, it... | 0 | Metallurgy |
C6; C7; 8A; 8B; C9; CD320; CFI;
CORIN; DGCR2; HSPG2; LDLR; LDLRAD2; LDLRAD3; LRP1; LRP10;
LRP11; LRP12; LRP1B; LRP2; LRP3; LRP4; LRP5; LRP6;
LRP8; MAMDC4; MFRP; PRSS7; RXFP1; RXFP2; SORL1; SPINT1;... | 1 | Gene expression + Signal Transduction |
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