polystyrene造句
91. The photodegradations of polyketone samples and blends of polyketones with polystyrene(PS) were studied. It shows that the higher molecular weight of polyketones is the better photodegradation rate.
92. It is demonstrated that expanded polystyrene plastics can be weel processed with refined oil.
93. The comprehensive utilization and development of polystyrene ( PS ) foamed plastics are studied.
94. CR/ polystyrene (PS) IPN blend was prepared by stepwise synthesis based on CR and styrene monomer and using divinyl benzene(DVB) as crosslinking agent of PS.
95. The magnetic polymer microsphere was prepared by using solvent evaporation with polystyrene and methylene dichloride as the oil phase, and sodium dodecyl benzene sulfonate (SDBS) as the surfactant.
96. The influence of APG0810 concentration, initiator concentration and salt concentration on particle size and polydispersity of polystyrene has been discussed.
97. Determination of residual styrene monomer in polystyrene and acrylonitrile - butadiene - styrene resins by gas chromatography.
98. The direct esterification of acetic acid with benzyl alcohol by use of polystyrene supported aluminium trichloride as the catalyst.
99. Detail specification for polystyrene film dielectric capacitors, extended foil - Rectangular non-metallic case, unidirectional terminations - Full plus additional assessment level.
100. Syndiotactic polystyrene is a newly developing crystal engineering plastic and useful for the fields of automatization and electron.
101. It is suitable for polystyrene printing and the packing materials such as polystyrene packing, cellophane paper and rolling paper, etc.
102. The optimum conditions for the technological process of recovering styrene monomer from foamed polystyrene were found.
103. During pan-milling, SBS molecular chains were ruptured, intrinsic viscosity number decreased and the aberration of dispersing phase of polystyrene increased, domain size occurred.
104. 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.
105. Based on the crosslinked polystyrene - polyacrylonitrile IPN matrix, the amidoxime groupmatrix through chemical reaction.
106. Vinyl, nylon, and Lucite. are markedly inferior to Teflon, polystyrene, polyethylene, sapphire, or quartz.
107. First Preparation of soap - free emulsion with positively charged surface of polystyrene microspheres ( PS ).
108. The monodisperse polystyrene particles were prepared by free radical dispersion polymerization.
109. Dr. Walter's studies had been carried out with equipment fabricated from elastic thermoplastic vinylite resin that incorporated an ion-exchange column (p. 770) of sulfonated polystyrene copolymer.
110. A Japanese study by Nihon University in Chiba showed that polystyrene began to break down within a year, producing detectable levels of pollutants.
111. Speciality experience on polystyrene products, or PS machining facilities area.
112. OBJECTIVE: To investigate the influence of dispersing medium and monomer dosage of dispersion polymerization on the particle size the distribution width of the polystyrene microspheres.
113. Bromopyridine substituted polystyrene resin and N-diphenyl phosphine pyrldi-ne substituted resin can be prepared by using chloromethylated polystyrene -dlv-inylbenzene.
114. Polystyrene - supported N - benzyl - N - alkyl - aminopyridine was prepared through chloromethylated polystyrene treated with 4 - aminopyridine and alkylation agents.
115. Different grades of crystal polystyrene molding pellets range from 150,000 to 350,000 weight average molecular weight.
116. The PHB homopolymer is a stiff and rather brittle polymer of high crystallinity, whose mechanical properties are not unlike those of polystyrene, though it is less brittle.
117. Objective : To study the microphase structure of silicone elastomer reinforced cross - linked polystyrene.
118. The thermal stabilization of bromated polystyrene was tested by TGA.
119. The solubility of the catalyst was improved by mixed solvents. A high brominated polystyrene was prepared.
120. Dr Baumberg proposes adding a sprinkle of carbon particles even smaller than the polystyrene spheres.
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