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• Polyphenyl ether
  ...upon the number of aromatic rings, their substitution pattern, and whether it is an ether or a thioether. In the case of products of mixed structures, p ...uim and Bill Foley; http://www.xtronix.ch/pdf/Diffusion%20Pump.pdf</ref>. It is important to note that PPEs help achieve the highest vacuum of 4 x 10-10
  18 KB (2,654 words) - 10:18, 20 September 2010
• Lunarcrete
  ...r [[ilmenite]] at 800°C, to produce [[titanium oxide]], iron, and water. It was capable of withstanding compressive pressures of 75 MPa, and lost only * It is unaffected by temperature variations of +120°C to &minus;150°C.<ref na
  15 KB (2,061 words) - 10:21, 20 September 2010
• Hemp
  ...for cannabis. Only ''C. sativa'' (left) is suited for industrial hemp, but it also has medicinal varieties.]] </ref> For a crop, hemp is very environmentally friendly, as it requires few [[pesticide]]s<ref name="thehia">
  42 KB (6,310 words) - 22:11, 21 September 2010
• Monel
  ...corrosion and acids, and some alloys can withstand a fire in pure oxygen. It is commonly used in applications with highly corrosive conditions. Small ad ...mic]] [[friction]]. Monel metal is dense, and hence parts that are made of it are heavy, but this factor had to be traded-off against the fact that Monel
  9 KB (1,437 words) - 10:23, 20 September 2010
• Fever
  ...[tympanic membrane]] it is {{convert|35.4|–|37.8|C|F}}, and for axillary it is {{convert|35.5|–|37.0|C|F}}.<ref>{{cite journal |author=Sund-Levander ...}}</ref> Such a high temperature is considered a [[medical emergency]] as it may indicate a serious underlying condition or lead to significant side eff
  27 KB (3,703 words) - 20:20, 20 September 2010
• Ethylene oxide
  ...ation|polymerizes]]. Ethylene oxide is [[isomer]]ic with [[acetaldehyde]]. It is a strong poison to humans, showing carcinogenic, [[mutagenicity|mutagen ...mponent of [[thermobaric weapon]]s;<ref name=e1/><ref name=e2/> therefore, it is commonly handled and shipped as a refrigerated liquid.<ref name=Ullmann>
  82 KB (11,709 words) - 21:31, 20 September 2010
• Reporting of Injuries, Diseases and Dangerous Occurrences Regulations
  ...1995 [[Statutory Instrument]] of the [[Parliament of the United Kingdom]]. It regulates the [[statute|statutory]] obligation to report [[death]]s, [[inju It is a [[defence (law)|defence]] that the responsible person [[knowledge (Eng
  24 KB (3,474 words) - 21:31, 20 September 2010
• Beryllium
  ...f thermal expansion, make it in many ways an ideal aerospace material, and it has been used in rocket nozzles and is a significant component of planned s ...ielded the first significant pure samples of beryllium.<ref name="Weeks"/> It took until [[World War I]] (1914–18) before significant amounts of beryll
  41 KB (5,890 words) - 21:34, 20 September 2010
• Electromagnetic field
  ...space and describes the [[electromagnetism|electromagnetic interaction]]. It is one of the four [[fundamental force]]s of nature (the others are [[gravi ...ly (although strictly unnecessarily) used to explain certain observations. It is found that increasing the intensity of the incident radiation (so long a
  21 KB (2,891 words) - 21:36, 20 September 2010
• Partition coefficient
  ...how strong an effect it will have once it reaches it target, and how long it will remain in the body in an active form. ...the lipid bilayer, but not so hydrophobic, that once it is in the bilayer, it will not partition out again.<ref name="Kubinyi">{{cite journal |author=Kub
  27 KB (3,780 words) - 20:16, 21 September 2010
• Stability constants of complexes
  ...[[equilibrium constant]] for the formation of a '''complex''' in solution. It is a measure of the strength of the interaction between the reagents that c ...ues]] are ''dissociation'' constants. In general purpose computer programs it is customary to define all constants as association constants. The relation
  50 KB (7,450 words) - 20:16, 21 September 2010
• Solubility equilibrium
  '''Solubility equilibrium''' is a type of [[dynamic equilibrium]]. It exists when a [[chemical compound]] in the solid state is in [[chemical equ ...ature]]. For example, sugar is more soluble in hot water than cool water. It occurs because solubility constants, like other types of equilibrium consta
  23 KB (3,592 words) - 20:16, 21 September 2010
• Acid dissociation constant
  ...arboxylate group, COOH. The carboxylate group can lose a proton and donate it to a water molecule, H₂0, leaving behind an acetate anion CH<sub ...roperty|quantitative]] measure of the strength of an [[acid]] in solution. It is the [[equilibrium constant]] for a chemical reaction known as [[Dissocia
  76 KB (11,861 words) - 20:17, 21 September 2010
• Specific ion interaction theory
  ...e]] solutions at relatively high concentrations.<ref name=G/><ref name=C/> It does so by taking into consideration ''interaction coefficients'' between t ...–Hückel equation|Debye-Huckel]] theory provides a means to do this, but it is accurate only at very low concentrations. Hence the need for an extensio
  9 KB (1,329 words) - 20:17, 21 September 2010
• Bromley equation
  ...n when extrapolating to very high ionic strength. As with other equations, it is not satisfactory when there is [[ion-association]] as, for example, with
  6 KB (903 words) - 20:17, 21 September 2010
• Raoult's law
  ...each additional component. If a pure solute which has zero vapor pressure (it will not [[evaporate]]) is dissolved in a solvent, the vapor pressure of th ...onents to the composition of the solution. The law assumes ideal behavior. It gives a simple picture of the situation just as the [[ideal gas law]] does.
  11 KB (1,748 words) - 20:17, 21 September 2010
• Pitzer equations
  ...fy the departure from the [[ideal gas law]] with changing pressure, ''P''. It can be shown by [[statistical mechanics]] that the second virial coefficien ...ion through the parameter ''&beta;''. This is the basis of [[SIT theory]]. It was further developed by Guggenheim.<ref name=G>{{cite journal|last=Guggenh
  11 KB (1,750 words) - 20:17, 21 September 2010
• Equilibrium chemistry
  ...It will be insulated from exchange of heat with the surroundings, that is, it is a [[closed system]]. A change of temperature, pressure (or volume) const ...are constant because the rate of production is equal to the rate of decay. It is not a chemical equilibrium because the decay process occurs in one direc
  42 KB (6,675 words) - 20:17, 21 September 2010
• Hemoglobin
  ...he [[lung]]s or [[gill]]s to the rest of the body (i.e. the tissues) where it releases the oxygen for cell use. ...er of letters in a written sentence or beads on a string. In all proteins, it is the variation in the type of amino acids in the protein sequence of amin
  67 KB (9,844 words) - 20:17, 21 September 2010
• Chemical equilibrium
  ...fficient conditions|necessary condition]] for chemical equilibrium, though it is not [[Necessary and sufficient conditions|sufficient]] to explain why eq ...ant, independent of the activities of the various species involved, though it does depend on temperature as observed by the [[van 't Hoff equation]]. Add
  38 KB (5,847 words) - 20:17, 21 September 2010
• List of eponymous medical signs
  ...[[aortic insufficiency]] || ||double bruit heard over femoral artery when it is compressed distally (see Traube's sign)
  59 KB (6,670 words) - 21:04, 21 September 2010
• Stars named after people
  ...a small number of '''[[star]]s''' have been named after individual people. It is common in [[astronomy]] for objects to be given names, in accordance wit ...'', is a small [[red dwarf]] named after [[E. E. Barnard]], who discovered it in 1916, the star with the highest known [[proper motion]].
  8 KB (1,290 words) - 21:06, 21 September 2010
• List of fictional diseases
  ...al]] [[hematoma]]s (accompanied by [[dementia]]) if clotting is prevented. It evolves at a rapid rate, is spread by [[transmission (medicine)|airborne tr ...helt to discover why his father was killed and what needs to be done about it.
  66 KB (10,587 words) - 21:08, 21 September 2010
• Sentinel lymph node
  ...will spread first to lymph nodes (lymph glands) close to the tumor before it spreads to other parts of the body. The concept of sentinel lymph node surg ...de metastasis is one of the most important [[prognosis|prognostic signs]]. It can also guide the surgeon to the appropriate therapy.<ref>Robbins and Cotr
  7 KB (1,011 words) - 21:25, 21 September 2010
• Hematopoietic stem cell transplantation
  ...ransplantation remains a risky procedure with many possible complications; it has traditionally been reserved for patients with life-threatening diseases ...adults. Results have been promising; however, at the time of this writing, it is premature to speculate as to whether these experiments will lead to effe
  41 KB (5,684 words) - 21:26, 21 September 2010
• Carotid body
  ...rtial pressure of [[oxygen]], but also of [[carbon dioxide]]. Furthermore, it is also sensitive to changes in [[pH]] and [[temperature]]. The carotid body functions as a sensor, it responds to a stimulus, primarily O₂ partial pressure, which is
  10 KB (1,411 words) - 21:27, 21 September 2010
• Gabapentin
  ...ally a [[gamma-Aminobutyric acid|GABA]] [[Analogue (chemistry)|analogue]]. It was originally developed for the treatment of [[epilepsy]], and currently, ...thought to involve [[voltage-gated]] [[N-type calcium]] [[ion channels]]. It is thought to bind to the α2δ subunit ([[CACNA2D1|1]] and [[CACNA2D2|2]])
  30 KB (4,025 words) - 22:06, 21 September 2010
• Amyloid precursor protein
  ...the [[synapse]]s of [[neuron]]s. Its primary function is not known, though it has been implicated as a regulator of synapse formation<ref name="Priller"> ...the Alzheimer's amyloid precursor protein copper-binding domain reveal how it binds copper ions | journal = J Mol Biol | volume = 367 | issue = 1 | pages
  36 KB (4,595 words) - 22:11, 21 September 2010
• Neuromodulation
  A neuromodulator is a relatively new concept. It can be conceptualized as a [[neurotransmitter]] that is not reabsorbed by t ...nating from the [[ventral tegmentum]] or [[substantia nigra]] as examples. It acts on [[dopamine receptors]].
  11 KB (1,374 words) - 22:11, 21 September 2010
• Neurochemical
  ...osterior lobe of the pituitary and released into the blood stream by which it reaches target tissues such as the [[mammary gland]]s ([[Breastfeeding|milk ...he [[limbic system]], which is involved in emotional function and control. It also plays a part in movement, alertness, and sensations of pleasure.
  3 KB (396 words) - 22:12, 21 September 2010
• Signal transduction
  ...ansduction processes of which the cell is capable influences how many ways it can react and respond to its environment.{{Citation needed|date=March 2010} ...ction pathways are perceived to be so central to biological processes that it is not surprising that a large number of diseases have been attributed to t
  55 KB (7,677 words) - 22:12, 21 September 2010
• Ligand-gated ion channel
  ...ypic ligand-gated ion channel is the [[nicotinic acetylcholine receptor]]. It consists of a pentamer of protein subunits, with two binding sites for [[ac [[it:Recettore ionotropico]]
  17 KB (2,344 words) - 22:12, 21 September 2010
• Quinine total synthesis
  ...the first [[stereoselective]] quinine synthesis and he shed doubt (calling it a myth) on the earlier claim in 1944 by [[Robert Burns Woodward|Bob Woodwar ...four [[stereogenic]] groups making synthesis potentially difficult because it is one of 16 [[stereoisomer]]s.
  17 KB (2,355 words) - 22:15, 21 September 2010
• Loxoprofen
  ...xonin''', [[Argentina]] as '''Oxeno''' and in [[India]] as '''Loxomac''' . It is available in these countries for oral administration, and a [[transderma Loxoprofen is a [[prodrug]]. It is quickly converted to its active ''trans''-alcohol [[metabolite]] followi
  3 KB (387 words) - 22:16, 21 September 2010
• Fenbufen
  ...ion in [[osteoarthritis]], [[ankylosing spondylitis]], and [[tendinitis]]. It can also be used to relieve backaches, sprains, and fractures. Fenbufen is [[it:Fenbufene]]
  1 KB (130 words) - 22:16, 21 September 2010
• Alfaxalone
  ...ort (1), induced by binding of alfaxalone to GABAA cell surface receptors. It has also been shown that Alfaxalone binds to a different region of this rec
  3 KB (405 words) - 21:00, 24 September 2010
• Etomidate
  ...t procedures such as reduction of dislocated joints and [[cardioversion]]. It was discovered at [[Janssen Pharmaceutica]] in [[1964]]. ...esia or for [[conscious sedation]]. It is often used in this setting since it has a rapid onset of action and a low cardiovascular risk profile, and ther
  10 KB (1,350 words) - 21:01, 24 September 2010
• Xenon
  ...after their discovery of the elements [[krypton]] and [[neon]]. They found it in the residue left over from evaporating components of [[liquid air]].<ref |title=It's Elemental - Xenon|accessdate=2007-06-16
  82 KB (11,842 words) - 21:02, 24 September 2010
• Propofol
  ...s who are receiving [[mechanical ventilation]]. In critically ill patients it has been found to be superior to [[lorazepam]] both in effectiveness as wel ...to the scattering of light from the tiny (~150&nbsp;nm) oil droplets that it contains.
  21 KB (2,875 words) - 21:03, 24 September 2010
• Gamma-Hydroxybutyric acid
  ....shtml Erowid GHB Vault : Legal Status<!-- Bot generated title -->].</ref> It is currently regulated in Australia, Canada, most of Europe and in the US. ...ted to the [[ketone body]] [[beta-hydroxybutyrate]]. As a supplement/drug, it is used most commonly in the form of a salt.<ref>e.g., '''sodium gamma-hydr
  55 KB (7,839 words) - 21:04, 24 September 2010
• Ken Alibek
  ...media and cultivation conditions for the optimization of microbial growth. It was here that he expanded his medical school laboratory skills into the com ...even though Russian security officials did not want me to go overseas. But it was a different time, I was not a Russian citizen and they could not have
  32 KB (4,653 words) - 17:22, 27 September 2010
• Bruce Edwards Ivins
  ...BI released a 92-page summary of evidence against Ivins and announced that it had concluded its investigation.<ref>{{Cite news | author = Joby Warrick | ...as ordered following his death because blood tests prior to his death made it unnecessary.<ref name=bloomberg>{{cite news |title=Scientist in Anthrax Cas
  46 KB (6,888 words) - 17:23, 27 September 2010
• Border Security and Terrorism
  ...tionship between border security and terrorism by analyzing these threats. It also discusses the government policies and procedures currently in place at ...ervice. Washington, D.C.: The Library of Congress, 2005.</ref> Therefore, it is very difficult for the government to secure every point through which pe
  19 KB (2,852 words) - 17:28, 27 September 2010
• Anthrax
  ...eria ''[[Bacillus anthracis]]''. Most forms of the disease are lethal, and it affects both humans and other animals. There are effective vaccines again ...ax does not spread directly from one infected animal or person to another; it is spread by spores. These spores can be transported by clothing or shoes.
  53 KB (7,798 words) - 17:33, 27 September 2010
• Chebyshev filter
  This may be viewed as an equation parametric in <math>\theta_n</math> and it demonstrates that the poles lie on an ellipse in [[Complex frequency space| ...type I Chebyshev filter with ε=0.5 are plotted in the graph on the left. It can be seen that there are ripples in the gain and the group delay in the
  14 KB (2,270 words) - 14:48, 10 December 2011
• Image impedance
  The difficulty here is that in order to find Z_i&nbsp;1 it is first necessary to terminate port 2 with Z_i&nbsp;2. However, ''Z''_i&nbsp;2 is found by a similar process, but it is simpler to work in terms of the reciprocal, that is image admittance ''Y
  7 KB (1,093 words) - 14:48, 10 December 2011
• Image filter end terminations
  .../sub>'' is the nominal voltage that would be delivered by the generator if it were terminated in its characteristic impedance (ie ''R₁''), not It can further be noted that the first part of the expression,
  7 KB (1,107 words) - 14:48, 10 December 2011
• Quarter-wave impedance transformer
  ...duce the required impedance, the λ/4 transformer is the other way around; it is a pre-determined length and the termination is designed to produce the r ...ge source has zero impedance, that is, it presents a [[short circuit]] and it is not useful to connect a short circuit directly across the line. Feeding
  7 KB (1,140 words) - 14:49, 10 December 2011
• Primary line constants
  ...uble that, 50 mΩ/m. Because the values of the constants are quite small, it is common for manufacturers to quote them per kilometre rather than per met ...Furthermore, while ''G'' has virtually no effect at [[audio frequency]], it can cause noticeable losses at high frequency with many of the [[dielectric
  17 KB (2,625 words) - 14:49, 10 December 2011
• Reflections of signals on conducting lines
  ...ine is not affected in any way by the open circuit at the end of the line. It cannot have any effect until the step actually reaches that point. The sign ...Since the reflected current is equal in magnitude to the incident current, it must also be so that
  23 KB (3,658 words) - 14:49, 10 December 2011

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