1. The nature of the polymer is currently a trade secret.

2. The polymer solution is separated from the pure solvent by a membrane, permeable only to solvent molecules.

3. Assessment of the performance of samples of polymer in improving oil recovery from North Sea reservoirs.

4. Physically the process of cooling a polymer through its glass transition would then be as follows.

5. Alternatively(/polymer.html), a polymer solution can be thought of as a system formed by the condensation of solvent into a polymer.

6. The polymer is introduced into the dilatometer between the point A and the capillary.

7. A polymer forms over the marks and shows them up in a kind of 3-D relief.

8. Y., is made of an advanced polymer instead of metal.

9. The alignment of polymer chains at specific distances from one another to form crystalline nuclei will be assisted when intermolecular forces are strong.

10. In 1925, Svedberg first achieved this by subjecting polymer solutions to large force fields, generated at high speeds of rotation.

11. An amorphous polymer in this state has been likened to a plate of frozen spaghetti.

12. A porous polymer membrane bag seals the electrolyte, allowing water vapour, but not the acid solution, to pass.

13. Under these conditions, however, ethylene forms short chains or rings, rather than the long chains of the solid polymer.

14. Overall this book is a well produced scholarly account of the physics of polymer solutions.

15. For practical purposes T m is taken to be the melting temperature of the undiluted polymer irrespective of the crystalline content.

16. The same method can not be used for a polymer and one must resort to comparative techniques.

17. When a similar picture is adopted for the crystallization of a polymer certain basic assumptions are made first.

18. The same approach was extended by both Patterson and Flory to deal specifically with polymer systems.

19. This dimensional stability is an important consideration in choosing a polymer to use in the manufacture of an item.

20. They do this by coating a metal electrode with the polymer and then varying the voltage applied to the metal.

21. Of course(), road accidents and pedestrian tumbles would also increase alarmingly as wind-blown polymer dust spread round the locality.

22. Another approach to ocular drug delivery is to insert a solid polymer device beneath the lid.

23. Researchers are experimenting by augmenting the system with fiber-optic sensors and polymer composites.

24. Scientists predicted that solitons should be very mobile, but only along the polymer chains.

25. The first attempts to explain the crystalline structure of a polymer sample produced a model called the fringe-micelle structure.

26. The process is normally incomplete because crystallization takes place when the polymer is a viscous liquid.

27. Light, high tensile strength fibres confer stiffness and strength to a polymer resin that binds them into a rigid three-dimensional form.

28. It intends to spend ￡1 million over the next five years on this, and other polymer research.

29. There are excellent review articles in, for example, Advances in Polymer Science, which provide up-to-date information.

30. It is defined as an average distance from the centre of gravity of a polymer coil to the chain end.

1. The nature of the polymer is currently a trade secret.

31. As soon as such heterogeneity enters into a polymer chain, information technology becomes a theoretical possibility.

32. The optimum polymer concentration therefore that would yield the best compromise between total glucose availability and low osmolality remains to be determined.

33. The third property of a polymer which affects its mechanical behaviour is the between-chain potential energy.

34. This allowed them to include in their theory dissimilarities in free volume between polymer and solvent, together with the corresponding interactions.

35. The forces between atoms on a polymer chain are about two orders of magnitude stronger than those between chains.

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36. Sadly, unscrupulous ski resorts might misuse the new polymer, surreptitiously dusting it on the slopes of their rivals.

37. In practice the polymer solution is held at a constant temperature while precipitant is added to the stirred solution.

38. The polymer treatment might be used straight away as a daily mouthwash for mentally handicapped people to stop plaque sticking to teeth.

39. He wanted to find a readily available synthetic polymer that could do the job.

40. In contrast to the surface of a synthetic polymer, however, the epithelial cell surface is highly complex and organised.

41. The parameter is the average mean square of the unperturbed dimension, which is a characteristic parameter for a given polymer chain.

42. The presence of this amount of water in the polymer also affects its mechanical properties.

43. Chitin is a polymer of N - acetylglucosamine.

44. Polyketone resin is high molecular polymer.

45. Propyleneglycol, polymer with terephthalic acid, fumaric acid and 2,2-dimethyl-1,3-propanediol.

46. Ferric Chloride alone gives polymer with benzene.

47. This natural polymer is FAST hydrating dispersible guar gum.

48. The viscosity of the polymer was 2.16 poise.

49. Thermal effects are a major factor in polymer deterioration.

50. To isolate a condensation polymer, casein, from milk.

51. The invention relates to a method for preparing ionic liquid type gel polymer electrolyte through home position polymerization.

52. Field tests have been made on CO2 stimulation, N2 drive, air injection displacement, synthetic polymer flooding, cross-linked polymer flooding and microbial oil recovery successively.

53. Therefore, a research scheme for the high-performance and low-price modulator is presented in the thesis ----research on the novel high-speed polymer EO modulator based resonant absorption micro-ring.

54. Conductive plastics is an important defensive and functional polymer materials in resisting electromagnetic interference ( EMI ) .

55. The mechanical property of polymer depends on the factors such as temperature, hold time of stress, speed to load and condition , one of the most important is the dependence of temperature and time .

56. Novolac cyanate ester resin is one of the high ablative-resisting polymer based materials. It also has superior heat-resistance, dielectric and mechanical properties.

57. A high water absorbent polymer is synthesised using acrylamide, acrylic and vinylorganosilicon.

58. It's a squashy gel ball with a slightly heavier polymer core.

59. The polymer films of naphthalene , including naphthylamine , naphthalene and aminonaphthalenol, were obtained by electrochemical polymerization method.

60. Prepositive polymer slug displacement can decrease the effect by the formation heterogeneity, prevent the gas breakthrough and improve the displacement sweep efficiency of the injective gas.

61. Relatively to water-soluble macromolecule (B), the ratio of polyoxyalkylene polymer (B2) can be 1-40wt%.

62. Carothers was a group leader in DuPont's Experimental Station laboratory, near Wilmington, Delaware, where most polymer research was done.

63. In our country, researching and applying the fluid loss additives began from the early days of the 1980's, the water-solubility synthetic polymer kind of which has been developed very soon especially.

64. The new notebook has a 3.06 GHz processor, a unibody architecture, and a built - in lithium polymer battery.

65. Liquid crystal polymers include thermotropic liquid crystal polymer (TLCP) and lyotropic liquid crystal (LLCP).

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66. Polymer Membrane Recently, polymer membranes made from polyamides and polysulfones have taken the place of cellulose acetate, at least for ultrafiltration.

67. A water dispersion for inkjet printing, which contains water-insoluble polymer particles containing a colorant.

68. The process consists of treating the work piece with a coat that forms on the surface from the gaseous products of sublimation and decomposition of a triazine polymer reagent in a closed volume.

69. Process for homo- or copolymerization of conjugated dienes and in situ formation of polymer blends and products made thereby.

70. While ABS is molded, melted polymer can not be filled in the micro-gear cavity under any parameters group from the orthogonal list.

71. Fabrication process of polymer microlens arrays is introduced based on soft lithographic UV - molding replication method.

72. The paper modified studies the formulation of aqueous vinyl polymer solution-isocyanate adhesive(API), which improve comprehensive operational performance .

73. The invention relates to an erasable two-photon polarized multivariate, multistage and multilayer optical storage technology based on a bisazo benzene polymer.

74. As characterized by FTIR and XRD, coordination was happened between europium and the polymer matrix.

75. By definition an exclusively difunctional monomer can only give rise to a linear polymer.

76. This paper first describes the results of a microscopic study on mechanisms of oil dis- placement by polymer solution.

77. Along with the development of polymer technology, PCMs will occur in the form of microcapsule, because of the appropriate shell of microcapsule are obtained,() and the produce technology simplify.

78. The casting solution dropwise or linearly enters a coagulating bath by oscillation of a pinhead, and forms the polymer small ball or film after coagulating and shaping.

79. At least two layers of polymer film separated by frame-type bulkheads between two press plates can form a basic unit.

80. The polymer precise filtration is a new type of technology which could be used for clarification filtration and cake filtration as well as discharge of dry cake.

81. A stable microemulsion of Chinese lacquer(MECL) was prepared with a phase inversion by blending the polymer emulsions of polyvinyl formal(PVFM) and styrene-acrylate copolymer(SA).

82. Semimetal Brake Materialsconsist of reinforcing fiber, friction element, lubricate element and polymer.

83. And ethylene natural rubber and polymer materials for UV inks and finish.

84. The term condensation is now firmly entrenched in the literature of polymer science.

85. A high polymer is a very large aggregation of units.

86. Using the emulsification method, microspheres containing metamizole sodium, ciprofloxacin lactate and norfloxacin lactate were prepared, with gelatin as polymer coatingmaterials.

87. Ingredients: Deionized water, glycerin, acrylic polymer, alga extract, imidazolidinyl urea, methylparaben, HA, essence, etc.

88. The recombination of high polymer with strong antisalt and sylvite can enhance its inhibitory action on water sensitivity of mud stone and shale.

89. The result shows that the main parameters that affect deep profile consist of residual resistance coefficient, viscosity of polymer solution and amount of profile control agent.

90. Removal of these residues is essential to obtain maximum stability of the polymer.

91. The new polymer quaternary ammonium salt was synthesized from epoxy phenolic resin via ring-opening reaction with aqueous solution of triethylamine hydrochloride.

92. Did this spacetime really behave on large distances like a four-dimensional, extended object and not like a crumpled ball or polymer?

93. These polymer support are polyvinylpyrrolidone ( PVP ), sodium carboxymethyl cellulose ( CMC ), chitsan ( CS ) and cyanoethylated cellulose ( CC ).

94. The quaternary ammonium salt polymer PDA was applied on dye fixation process for pigskin suede leather on the basis of dye fixation principle of quaternary ammonium salts.

95. This invention relates to a method for preparing dihydroxyl-terminated telechelic polymer. The method uses an initiator that can be easily hydrolyzed and is protected by silicane protective groups.sentencedict .com

96. The polymer used for quick determination of 4-methyl imidazole(4-MI) was prepared by molecular imprinting.

97. Inorganic nanocrystals are used as n-type semiconductor, and formed inter penetrating network with polymer materials to enhance the PCE of OSCs.

98. As one of the important nonlinear optical polymer materials, Polymethyl methacrylate (PMMA) has attracted many researchers to explorer its application in nonlinear optics with weak light.

99. If permeability of the cores are same, the larger molecular weights of the polymer solution are, the larger their resistance factors and residual resistance factors are.

100. By " multicomponent systems " polymer chemists mean polymer blends, copolymers and reinforced composites.

101. The polymer was soluble in dichloromethane, trichloromethane, acetone and tetrahydrofuran.

102. The unsaturated vinyl group could be introduced into polymer by the reaction of isocyanate with hydroxyl group and the UV-curable carbon black dispersant could be obtained.

103. Standard text - books of polymer sciences contain tables of Q - e values.

104. The fundamental principles of specular reflection FTIR and its applications in the analysis of polymer structures are introduced in this paper.

105. Comb-like polymer flocculants are receiving more and more attention since it can induce good bridging flocculation.

106. The durability of saturating resin which is one of components of fiber reinforced polymer and adhesive material of FRP and concrete, affects the property of FRP reinforced structures.

107. Residence time distribution has vital effect on polymer reactive extrusion processing.

108. The stability of the physical properties of the produced vinyl polymer hydrogel can be enhanced by controlling the amount of covalent crosslinks.

109. As a substitute of cadmium red and chrome red, is a match environment red pigment. Used in thermoplastic resin, thermosetting resin, alkyd resin, rubber, other polymer and cement, coating.

110. One percent phenyl - beta - naphthylamine was added to the recovered polymer as an antioxidant.

111. The modification of polymer material by filling with inorganic material is popular in recently years, but the modification of polyolefine by nano- Inorganic material is in the beginning.

112. The invention also envisages a method for the preparation of a coloured polymer, the method comprising performing a polymerisation reaction in the presence of such a catalyst.

113. The mechanism research and theoretical models of polymer melting intercalation are discussed in detail.

114. A 45 % glass reinforced, lubricated liquid crystal polymer resin with improved toughness.

115. The selective binding experiment for substrates indicated that the polymer gave much higher affinity and selectivity for triadimenol than analogues.

116. Bachelor's Degree in Chemistry, Chemical Engineering, Polymer Chemistry or closely related major.

117. For the requirement of studying PMMA polymer optical waveguides , a prototype ellipsometry with variable incidence angle, open optical circuit and widely applied range was established.

118. Advantage and defect of semi - metallic , none - asbestos polymer and powder metallurgy were discussed.

119. But for the polymer material, because of its low surface energy, the assumption is hard to come into existence.

120. The phosphate-type polymer electrolyte is stable up to 10V and lithium ion transference number increases a little appreciably with the side chain length increases.

121. The funding programs on polymer science have been brie fly introduced.

122. The experimental results have showed that the deformation of polymer in macro cold tension stage is the accumulation and concentration of local deformation in the step of necking down and propagation.

123. The invention provides fiber base protein molecularly imprinted polymer aquagel and a preparation method thereof.

124. Product Feature: The products are made of medical high polymer, sterilized by EO-gas, sterile, pyrogen-free, non-hemolysis reaction, no acute systemic toxicity.

125. For comparison, its analogue linear polymer ( 5 ) was also synthesized.

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126. The polymer is structurally characterized in that the polymer is a hyper-branched structure containing silicone atoms and aryne group.

127. Both crosslinked and unmelted gels can get through screen packs and disrupt polymer flow farther downstream.

128. The polymer structure was investigated by using FTIR, X - ray diffraction, electron diffraction and contact angle measurements.

129. And given the most attention to introduce applications of supercritical fluid fractionation in poly-reaction, purification and polymer fractionation.

130. Coverage of polymer particles is obviously influenced by emulsifier structure.

131. Analyzed the foreign polymer and synthesized the plastics additives in the Chemistry Department of Lanzhou University .

132. Processes for the recovery of a sulfopolyester polymer from an aqueous dispersion and a sulfopolyester concentrate are provided.

133. A new type of strongly polar organic polymer porous layer open tubular column (OPPLOT-A) was prepared by in situ copolymerization of acrylonitrile and divinylbenzene.

134. The radiation sensitive linear resin composition comprises (A)alkali soluble resin, (B) 1,2-quinone-bi-azide compound and (C) special polymer with siloxane chain.

135. The performance properties and uses in drilling horizontal wells of a polyglycol fluid prepared by introducing 3% of commercial polyglycol JCP 1 into a polymer fluid are presented.

136. The effect of different fillers such as hollow glass microsphere, pulverous coal ash and foam polymer on water insertion loss of sound isolation rubber material were studied.

137. After polymer flooding and polymer cross link micro gel flooding, the residual oil mainly distributes in middle and low permeable reservoirs. This is the potential area of EOR.

138. As for theoretical computation, an mathematical software Math CAD has been employed for calculation of the foaming problem in a polymer melt.

139. An aqueous composition including the aqueous emulsion polymer and a polymeric coating including the polymer are also provided as are certain related processes.

140. Applications: non-interacting Bose and Fermi gases; mean field theories for real gases, binary mixtures, magnetic systems, polymer solutions; phase and reaction equilibria, critical phenomena.

141. Taken polymer flooding units in Shengli oilfield as prototype model is built and 15 dynamic influential factors and influential rules in polymer flooding are discussed.

142. Centrifuging, washing, and filtering may separate any fraction of polymer that occurred by an emulsion process.

143. Attenuated total reflectance ( ATR ) - FTIR is widely used due to its distinct advantage in studies of polymer films.

144. By prepolymerization, different prepolymers of PAPI and caster oil(CTO) are synthesized and used as crosslinker for water based polymer isocyanate adhesive(API).

145. Molecularly imprinted polymer for pipemidic acid was prepared by a molecular imprinting technique.

146. The invention relates to a dye composition for lens. The dye composition comprises a dichloro-quinoxaline-type pigment matrix, a hydrophilic polymer matrix and a vinyl-type binding agent.

147. Laser monitoring observation system was set up to exactly determine the solubility parameters of polymer in the special temperature.

148. A new kind of pendant viologen polymer, PVSEO21, which had electrochromic behavior and solid electrolyte property, was synthesized.

149. It also provides some important theoretics and methods of the polymer fatigue progress, such as damnify mechanics and rupture mechanics.

150. Material pledges cent is log, density board and high polymer epispastic material.

151. For fiber, researches both theoretical and experimental, have been done on polymer air drawing mechanism, and for web only experimental researches have been done.

152. Mineral polymer material is a new type inorganic non-metallic material that taking aluminosilicate mineral or industrial solid wastes as main raw material.

153. Phenoxyacetic acid molecular imprinted polymer ( POAA - MIP ) based on Phe - peroxyacetic acid ( POAA ) as template molecule was synthesized.

154. The indoors SMD full color product: Uses the high polymer tofireproofingPC the revertex face shield and the aluminum alloy face shield, has the good heat dispersion.

155. Specific drug–polymer interactions are engineered by optimizing the lactide to glycolide ratio and including specific polymer end groups.

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156. The macromonomer possessed excellent photosensitivity , and a kind of novel transparent polymer material was synthesized through crosslinking of the macromonomer and curing by ultraviolet radiation.

157. Conducting polymer as a new material has shown a prefect application in shielding electromagnetic wave.

158. It was shown that using polystyrene as wedge material, high polymer as transducer material and curved wedge as an acoustic lens was the key point of application effectiveness for phased array system.

159. The neutralization equivalent of the polymer is 750 ( theoretical - 681 ).

160. The chromophore orientation energy increases with poling temperature, but the phase separation may occur when the temperature higher than the vitrification temperature of polymer.

161. The electrode concerned in this article is a medical one - a platinum wire electrode made by covering glycyrrhetinic acid with double-decked polymer film.

162. A further study is made on the condition of adsorption, cross linking and elution of this molecular engram polymer as well as its adsorbability on TPT.

163. Organisms that cause polymer deterioration include bacteria, fungi, marine animals, and borers of various types.

164. The PVDF - HFP ( poly vinylidene fluoride - hexafluoropropylene ) porous membrane polymer battery was prepared by a phase inversion process.

165. In this paper, the gas chromatographic methods used in the research for selective hydrogenation of cyclopentadiene to produce polymer grade cyclopentene have been described.

166. Test results indicate the force ductility test is a simple and effective mean of characterization of low temperature tension properties of polymer modified asphalt.

167. There was a weakening of the intermolecular bonds, primarily in the amorphous region of the polymer.

168. In this paper research of functional block structure was based on the theory of rheology of the polymer melt and the basic requirement of extrusion die channel.

169. This paper reviews the preparation, properties and application examples of pow - deed polymer material.

170. The polymer spheres and carbon particles arrange themselves spontaneously into the correct crystal structure when encouraged by a little heat, so manufacturing opalescent film should be easy.

171. Tetrathiafulvalene (TTF) was coated onto microelectrode surface with Eastman- AQ 29D polymer film and the electrochemical behavior of the resulting modified electrodes was investigated.

172. Secondly, factors influencing charge decay of pulp slurry suspension, such as stirring rate, pulp species, adding amount of polyelectrolyte, adding amount of cationic polymer etc. were discussed.

173. The characterization and the development of optical waveguide polymer in the field are described.

174. Urushiol manganese polymer(PUM)has been synthesized from manganous Sulfate and urushiol-sodium prepared by the reaction of urushiol with sodium hydrate.

175. A maize field experiment was conducted on PCU made by macromolecule polymer coat technology and their fertilizer efficiency compared to common urea.

176. The high aperture ratio is achieved by overlapping ITO pixel electrode and bus line using a photo_sensitive polymer.

177. Recently, the use of a rigid polymer backbone, such as a polyene chain, to prepare side-chain liquid crystalline polymers has been considered with growing interest by various research groups.

178. Cross-linked polymer gel YG107 of in-depth profile control agent was developed and optimized on its formula in order to prevent rapid increase of water cut when water flooding after polymer flooding.

179. Considering the electron-electron interactions, the configurations of electron and spin in an interchain coupled quasi-one-dimensional organic polymer ferromag(?)et are studies.

180. Ion beam induced surface modification of polymer was extensively discussed.

181. Adopting the riblet structure of sharkskin as a templet, two ways of micro-replication, replicated moulding and electroforming, were used to replicate the microstructure on the surface of a polymer.

182. Silane coupling agents are compatible with almost every type of organic polymer.

183. As a polymer crosslinker, water soluble phenol - formaldehyde resin is widely applied in plugging oil reservoir.

184. He received his PhD in polymer science on structure - property relationships from University of Akron in 1981.

185. Most polymer emulsion may coagulate when they enter waste streams.

186. The first polyimide polymer is prepared with aromatic fluoric diamine and aromatic tetracid dihydride and through a two-step condensation reaction in organic solvent and under the action of catalyst.

187. Cleavage of secondary bonds can also be responsible for polymer deterioration.

188. The floatability of various flooding polymer reusing agents was evaluated in laboratory. YG340 - 1 was optimal reusing agent. Its plugging effect, inpouring time and inpouring amount were researched .

189. Most importantly(), lithium polymer is more stable than lithium ion and is non-flammable .

190. Improving dispersion of ZnO nanoparticles leaded to better UV - shielding properties and transparence of polymer films decreased.

191. Other reactive templates can also be used for the preparation of glod nanoparticles supported on polymer, such as poly(o-toluidine) and poly(o-methoxyaniline) hollow microspheres, and PANI nanotubes.

192. In proper concentration range , macromolecule polymer additives can improve erosion effect.

193. This article summarized the high polymer microballoons in the medical engineering application, introduced the magnetic high polymer microballoons emphatically.

194. With double functional groups as cross-linking agent, such as divinylbenzene, polymer hardness increased greatly, but at the same time, mechanic properties declined some extent.

195. A polymer VSMA , which could be used as diesel pour point depressants acylamide as material.

196. In addition, the chemical reactivity, resin mechanics properties and the influence of polymer ether imide (PEI) toughening 5406 resin were discussed in the thesis .

197. These disadvantages in the natural product can be overcome by the process of vulcanisation, which involves heating the polymer with a small amount of sulphur.

198. In this paper, the basic concept of coal structure has been in- trouduced, and then the theory of polymer solutions about coal-sorbate system has been remarked briefly.

199. High molecular weight alkali soluble polymer used as a binder and thickener for manufacturing carbon black inks.

200. This paper is to investigate if lyotropic liquid crystal system can improve oil recovery after polymer flooding.

201. The working principle of separator as well as enlarge test in polymer sewage disposal at Shuanghe gathering station in Henan oil field have been introduced in this paper. This technology has been a...

202. The isothermal flow of power - law molten polymer fluids in coat - hanger die is studied.

203. Meanwhile, with the introduction of phenylene units into polymer backbone, a series of poly(heteroarylene methine) polymers were synthesized.