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  • ...ill fluoresce in direct sunlight, due to its highly conjugated [[resonance structure]] (See [[Quinoline]])
    27 KB (3,844 words) - 16:41, 27 September 2010
  • | ImageName1 = Crystal structure of sodium thiosulfate pentahydrate | Section3 = {{Chembox Structure
    12 KB (1,720 words) - 16:42, 27 September 2010
  • | Appearance = white crystalline solid | Section3 = {{Chembox Structure
    23 KB (3,281 words) - 16:44, 27 September 2010
  • ...al | author=Ren J, Bird LE, Chamberlain PP, ''et al.'' | year=2002 | title=Structure of HIV-2 reverse transcriptase at 2.35-A resolution and the mechanism of re ...</sub>ClF<sub>3</sub>NO<sub>2</sub>. Efavirenz is a white to slightly pink crystalline powder with a molecular mass of 315.68 g/mol. It is practically [[insoluble
    10 KB (1,441 words) - 16:45, 27 September 2010
  • | Section3 = {{Chembox Structure When pure, it is a white to slight yellowish crystalline powder. It is very soluble in [[water]] and is [[hygroscopic]]. It is also
    21 KB (3,046 words) - 16:45, 27 September 2010
  • *Skin and skin structure infections ...ancer agent. Indeed, a distinctive feature of drugs based on the quinolone structure is their remarkable ability to target different type II topoisomerase enzym
    88 KB (11,930 words) - 16:46, 27 September 2010
  • ...mpound—acetylsalicylic acid. They were first to assign to it the correct structure with the acetyl group connected to the phenolic oxygen.<ref>{{de icon}} {{C <!--[[Image:PTGS2 inhibited by Aspirin.png|thumb|Structure of PTGS2 inactivated by Aspirin. In the active site of each of the two mono
    78 KB (10,918 words) - 16:52, 27 September 2010
  • | ImageNameL1 = Skeletal structure | ImageNameR1 = Flat structure
    41 KB (5,915 words) - 16:49, 27 September 2010
  • | ImageFileL1 = Glucose structure.svg | ImageFile2 = Glucose chain structure.svg
    23 KB (3,050 words) - 16:52, 27 September 2010
  • | Appearance = white crystalline solid | Section3 = {{Chembox Structure
    14 KB (1,921 words) - 16:49, 27 September 2010
  • | Appearance = white crystalline solid | Section3 = {{Chembox Structure
    14 KB (1,882 words) - 16:50, 27 September 2010
  • ...dividuals who had taken [[phenacetin]], and was concentrated into a white, crystalline compound with a bitter taste.{{Fact|date=January 2009}} In 1899, paracetamo ==Structure and reactivity==
    54 KB (7,376 words) - 16:52, 27 September 2010
  • | Appearance = Colorless/white crystalline solid | Section3 = {{Chembox Structure
    19 KB (2,579 words) - 16:51, 27 September 2010
  • ...|coauthors=McFarland SA, Meyer EA, Coffman WB, Mumford R |year=1980 |title=Structure activity relationships of selected benzodiazepines as anticonvulsants to lo It is a white, crystalline substance, is very slightly soluble in water and sparingly soluble in alcoh
    45 KB (6,129 words) - 22:16, 19 September 2010
  • |image=Tetracycline structure.svg ...Street+Journal&desc=Scientists+Discover+Terramycin's+Secret%3A+Its+Complex+Structure&pqatl=google], in collaboration with Woodward, participated in the two-year
    11 KB (1,417 words) - 21:55, 19 September 2010
  • ...lence]] of three or more. Examples of diamondoid structures would include crystalline [[diamond]], [[sapphire]], and other stiff structures similar to diamond bu ...an a dozen adamantane cages per molecule <ref name="Dahl"> ''Isolation and Structure of Higher Diamondoids, Nanometer-Sized Diamond Molecules'' J. E. Dahl, S. G
    8 KB (1,136 words) - 10:07, 20 September 2010
  • ...s=10834–10843|doi=10.1021/ja00053a020|volume=114}}</ref> and named Mobil Crystalline Materials, or MCM-41.<ref name="trewyn2">{{cite journal|author=Brian Trewyn **Other structure-directing agents
    5 KB (655 words) - 10:07, 20 September 2010
  • ...class of materials used in [[stealth technology]] to disguise a vehicle or structure from radar detection. A material's absorbency at a given frequency of radar ...n the 20-centimeter radar band the Allies used. The material had a layered structure and was based on [[graphite]] particles and other [[semiconductive]] materi
    7 KB (1,065 words) - 10:08, 20 September 2010
  • ...] &mdash; a [[glass]], instead, as there is no [[long-range order]] in the structure.
    4 KB (592 words) - 10:08, 20 September 2010
  • ...materials and things made from them. They may be [[crystalline]] or partly crystalline. They are formed by the action of heat and subsequent cooling.<ref>[http:// ...Glass by definition is not a ceramic because it is an amorphous solid (non-crystalline). However, glass involves several steps of the ceramic process and its mech
    28 KB (3,876 words) - 10:08, 20 September 2010
  • ...and sulfates can help to reduce corrosive action and deterioration of the structure.<ref>{{Cite web | title= High Performance Cement for High Strength and Extr | title = Hydration, structure, and properties of blast furnace slag cements, mortars, and concrete
    8 KB (1,255 words) - 10:08, 20 September 2010
  • ...ieces (scintillation) and deliver it to the eye (brilliance). In its rough crystalline form, a diamond will do none of these things, it requires proper fashioning This difference in color is based on the atomic structure of the stone. Although the different stones formally have the same chemical
    24 KB (3,690 words) - 10:08, 20 September 2010
  • ...n= New York |language= English |isbn= 0-8247-9468-0}}</ref> are a group of crystalline polar [[polymers]] that are also [[ferroelectric]], meaning that they maint [[image:Polyvinylidene_fluoride.png|right|thumb|Figure 1: Structure of Poly(vinylidene fluoride)]]
    25 KB (3,633 words) - 10:09, 20 September 2010
  • ...ample of lyotropic LCPs is the commercial aramid known as Kevlar. Chemical structure of this aramid consists of linearly substituted aromatic rings linked by am ..., liquid-crystal polymers are capable of forming regions of highly ordered structure while in the liquid phase. However, the degree of order is somewhat less th
    4 KB (613 words) - 10:09, 20 September 2010
  • ...s controlled by several parameters such as the number of nucleation sites, structure of the polymer molecules, cooling rate, etc. Depending on those parameters, ...ertain ''orderly configuration'': they align themselves in plates called ''crystalline lamellae''.<ref name=sp/>
    9 KB (1,348 words) - 10:09, 20 September 2010
  • [[Image:polyanhydride structure.jpg|thumb|500px|right|The structure of a polyanhydride molecule with ''n'' repeating units.]] ...ched chains. This class of [[polymers]] is characterized by a crystalline structure, melting temperature range of 50–90&nbsp;°C, and solubility in chlorinat
    10 KB (1,280 words) - 10:09, 20 September 2010
  • [[File:PADC.svg|thumb|Structure]] ...er to form [[cross-link]]s; thus, it is a [[thermoset]] resin. The monomer structure is
    5 KB (712 words) - 10:09, 20 September 2010
  • ...ity#Isotactic_polymers|isotactic]], and [[Crystallization of polymers|semi-crystalline]] polymer. PB-1 combines typical characteristics of conventional [[polyolef ...f the supported catalysts are high productivity and a high fraction of the crystalline isotactic polymer they produce at 70–80 °C under standard polymerization
    12 KB (1,699 words) - 10:09, 20 September 2010
  • ...e loss of physical properties as the polymer is still held together by the crystalline regions. Water penetrates the device leading to metabolization of the fragm An example of the structure of some of the types of polymer degradation can be viewed in Figure one in
    8 KB (1,069 words) - 10:09, 20 September 2010
  • Meyers, M.A., et al., "Biological Materials: Structure & Mechanical Properties", Progress in Materials Science, Vol. 53, p. 1 (200 ...epetitive units called [[monomer]]s. Biopolymers often have a well defined structure, though this is not a defining characteristic (example:ligno-cellulose):
    68 KB (9,959 words) - 10:10, 20 September 2010
  • ...[[conjugated system|conjugated]] [[diene]] [[hydrocarbon]]; the [[chemical structure]] is shown as a [[reactant]] in the diagram below. A hydrocarbon diene [[mo ...in the polymer chain, preventing polymer chains from lining up and forming crystalline regions and resulting in larger regions of amorphous polymer. It has been f
    8 KB (1,174 words) - 10:10, 20 September 2010
  • 0.946 g/cm<sup>3</sup>, crystalline Propylene was first polymerized to a crystalline isotactic polymer by [[Giulio Natta]] and his coworkers in March of 1954<re
    25 KB (3,657 words) - 10:10, 20 September 2010
  • ...the transmission electron microscope or [[TEM]] was needed to examine the structure. The butadiene matrix was stained with [[osmium tetroxide]] to provide cont ...ion of the SBS block polymers, especially where one of the block is highly crystalline. One exception to the rule of incompatibility is the material [[Noryl]], wh
    11 KB (1,609 words) - 10:10, 20 September 2010
  • ==Correlation of chemical structure and electrical conductivity== ...1950s, when Bernanose and coworkers first produced electroluminescence in crystalline thin films of acridine orange and quinacrine. In 1960, researchers at Dow C
    22 KB (3,022 words) - 10:10, 20 September 2010
  • ...</ref> [[amorphous]]: 1.370 g/cm<sup>3</sup>,<ref name="van der Vegt" /> [[crystalline]]: 1.455 g/cm<sup>3</sup><ref name="van der Vegt" /> ...que and white (particle size up to a few microns) depending on its crystal structure and particle size. Its monomer (bis-β-hydroxyterephthalate) can be synthes
    43 KB (6,272 words) - 10:11, 20 September 2010
  • ...characterization of polymers, a correct understanding of polymer molecular structure did not emerge until the 1920s. Before then, scientists believed that polym ...n|modified further]] following translation in order to provide appropriate structure and functioning.
    45 KB (6,501 words) - 10:11, 20 September 2010
  • ==Structure and properties== ...f name="Aulin2009"/> The degree of crystallinity and the cellulose crystal structure of nanocellulose were also studied at the same time. The results clearly sh
    25 KB (3,447 words) - 10:11, 20 September 2010
  • ...line nor amorphous and are classified as semicrystalline. Examples of semi-crystalline polymers are linear [[polyethylene]] (PE), [[polytetrafluoroethylene]] (PTF [[Image:Isotactic polypropylene.svg|thumb|The structure of isotactic polypropylene.]]
    18 KB (2,533 words) - 10:11, 20 September 2010
  • ..., such as excluded volume interactions or electrostatic forces, govern the structure and behavior of colloidal suspensions. For example, the same techniques use ...sub>2</sub>).<ref>{{cite journal|author = Sanders, J.V.|year =1964|title = Structure of Opal|journal = Nature |volume=204|page =1151|doi=10.1038/204990a0|last2
    27 KB (3,735 words) - 10:13, 20 September 2010
  • ...f most metals is due to the tightly packed crystal lattice of the metallic structure. The strength of metallic bonds for different metals reaches a maximum arou ...culated from the [[free electron model]], which does not take the detailed structure of the ion lattice into account.
    24 KB (3,311 words) - 10:13, 20 September 2010
  • ...ntal Programmatic Environmental Impact Statement For Army Growth And Force Structure Realignment ...of the depleted uranium produced is stored as [[uranium hexafluoride]], a crystalline solid, (D)UF<sub>6</sub>, in steel cylinders in open air storage yards clos
    80 KB (11,721 words) - 10:13, 20 September 2010
  • ...m of [[steel]] crystalline structure, but it can also refer to any crystal structure that is formed by [[displacive transformation]]. It includes a class of har ...[microscope]], and found that the hardest steels had a regular crystalline structure. He was the first to explain the cause of the widely differing mechanical p
    5 KB (642 words) - 10:13, 20 September 2010
  • ...[metal]]s. Understood as the sharing of "free" electrons among a [[crystal structure|lattice]] of positively charged ions ([[cations]]), metallic bonding is som ...rmal analysis]] (initially DTA) made it possible to study the structure of crystalline solids, including metals and their alloys, and the construction of [[phase
    26 KB (4,024 words) - 10:13, 20 September 2010
  • ...usters. These clusters form a three-dimensional highly [[porosity|porous]] structure of almost [[fractal]] chains, with pores just under 100&nbsp;nm. The averag ...he shorter [[wavelength]]s of [[visible light]] by the nanosized dendritic structure. This causes it to appear smoky blue against dark backgrounds and yellowish
    26 KB (3,758 words) - 10:14, 20 September 2010
  • ==Structure and properties== ...= Il Nuovo Cimento|year = 1960|volume = 15|pages = 68–82|title = Crystal structure of isotactic polystyrene}}</ref></small></center>
    36 KB (5,017 words) - 10:14, 20 September 2010
  • Sugar, because of its simpler chemical structure, was once assumed (without scientific research) to raise blood glucose leve ...arbohydrates such as [[polysaccharide]]s. [[Corn syrup]], [[dextrose]], [[crystalline fructose]], and [[maltose]], for example, are used in manufacturing and pre
    21 KB (2,875 words) - 10:14, 20 September 2010
  • ...tive use is in the former category: a fine-grained [[clay]] with a laminar structure suspended in a [[thermoplastic]] [[olefin]] (a class which includes many co
    8 KB (1,163 words) - 10:15, 20 September 2010
  • The yarn or doubled yarn twist is set. Of course, the morphological structure of the fibers ...elongation]]Synthetic fibers can be divided up into two fiber domains, the crystalline (organized) domain
    16 KB (2,532 words) - 10:15, 20 September 2010
  • | ImageFile1 = Kevlar chemical structure.png | ImageName1 = Kevlar molecular structure
    14 KB (1,990 words) - 10:16, 20 September 2010
  • ...[[crystal]]s in which atoms, molecules or ions form a [[crystal structure|crystalline lattice]]. Compounds based primarily on carbon and hydrogen atoms are call ...refer to [[chemical compound]]s using [[chemical formula]]e or [[molecular structure]] of the compound. There has been a phenomenal growth in the number of chem
    15 KB (2,242 words) - 10:17, 20 September 2010

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