醋酸乙烯经聚合反应生成聚醋酸乙烯。
Generated by the polymerization of vinyl acetate polyvinyl acetate.
丙纶是聚丙烯纤维的商品名称，它是由丙烯作原料经聚合、熔体纺丝制得的纤维。
Polypropylene is the trade name of polypropylene fiber, which is by the polymerization of propylene as raw material by the melt spinning of fibers obtained.
将位于多巴胺运输器基因3'端未转译区段的40 -碱基多形性重复序列予以纯化、经聚合酶链锁反应放大。
A 40-base polymorphic repeat sequence located in the 3 '-untranslated region of the DAT gene was purified and amplified by polymerase chain reaction (PCR).
在送往开罗NAMRU3海军医学研究所参考实验室的38份血液样本中，有13份经聚合酶链反应试验检测黄热病确认为阳性。
Of 38 blood samples sent to the reference laboratory, Naval Medical Research Unit, NAMRU 3 in Cairo, 13 were confirmed positive for yellow fever by PCR tests.
方法 ：根据上述抗性基因保守区域选用引物经聚合酶链反应检测成都地区临床分离78株耐 药葡萄球菌与临床 药敏试验比较并追踪其预后。
Methods:78 strains of clinically isolated staphylococci were detected by specific primers in conserved regions of mecA, ermA, ermC genes and compared with MIC determination.
合成脂肪族聚酯二醇的合成及二羧酸经缩合聚合，和已知的完全生物降解土壤和水。
Synthetic aliphatic polyesters are synthesised from diols and dicarboxylic acids via condensation polymerisation, and are known to be completely biodegradable in soil and water.
MBS是由丁苯橡胶与甲基丙烯酸甲酯经乳液聚合而得的接技聚合物。
MBS is graft polymers prepared by polymerization of MMA in presence of PBD-styrene rubber emulsion.
近年来，人们认识到，聚合物膜离子选择性电极经优化后可以获得较传统电极低得多的检出限。
Recently, it was realized that polymeric membrane ion-selective electrodes can be optimized to show dramatically improved detection limits over traditional values.
以硅氧烷、丙烯酸乙酯为原料，经乳液聚合制备了有机硅-丙烯酸酯共聚物。
The silicone-acrylate copolymer was synthesized using siloxane and ethyl acrylate by emulsion polymerization.
2是乙烯类单体经乳液聚合，并加入助剂复配而成，用于喷涂消光。
DM-2, an ethylene component co - compounded by polymerization of emulsion and the addition of auxiliaries, is employed in matting sprays.
将活性聚硅酸与聚合硫酸铁铝按照一定比例复合，经熟化，即制得新型无机高分子混凝剂PFASS。
The inorganic high molecule coagulant of PFASS is synthesized with the poly-silicic acid into the solution of polymeric ferric aluminum sulfate.
聚合化：由称为单体的较简单化合物经化学方法形成聚合物的情况。
Polmeristion: The chemical formation of a polymer from a simpler compound called a monomer.
聚酰亚胺是一类高性能的聚合物，它可由其前驱体聚酰胺酸经热或化学亚胺化而得到。
Polyimides are important high-performance polymers which can be made by thermal imidization and by chemical imidization of their precursors poly(amic acids).
胡麻纤维经碱改性后，纤维的聚合度、结晶度和取向度都有不同程度的下降，纤维上染率也有了明显提高。
The polymerization degree, crystallinity and orientation degree of the oil-flax fibers were decreased differently after the basic modification, and the dye pickup was obviously improved.
煤沥青经氧化聚合后，挥发分由52.22%下降到16%以下，相应的甲苯不溶物含量由30%增加到81%以上。
After oxidative polymerization of pith, its volatile matter is decreased from 52.22% to 16%, and its toluene insoluble matter is increased from 30% to 81%.
利用硫酸酸洗废液作为原料，经浓缩后在反应釜内生产聚合硫酸铁。
Waste sulphuric acid liquor is used as raw material to produce polymer iron sulfate in a reaction vessel after concentration.
经现场调试及生产运行表明，聚合物配制站控制系统工作稳定可靠，控制器算法能够满足各项控制要求。
After adjustment and operation, it can be seen that the control system of polymer disposal station is stable and reliable and the algorithm of controller can meet all the requirements of control.
苯二胺与四氯化钛反应合成聚合物的模型化合物钛杂咪唑啉。该化合物经元素分析、红外光谱、质谱测试。
Ti -containing imidazoline model compound was prepared by reacting o-phenylene diamine with titanium tetrachloride. The compound was identified by elemental analysis, IR and MS.
讨论了聚合物熔体经短口型挤出时的胀大现象及机理。
In this paper, the extrusion swell phenomena and mechanism for polymer melts from short dies are discussed.
比较了经预聚合与不经预聚合催化剂气相聚合与淤浆聚合动力学行为及聚合反应结果。
The kinetic behaviors and the polymerization results of the gas - phase and slurry polymerization of ethylene with the prepolymerized catalyst and original catalyst have been compared.
有必要探索由工业废铁粉经固相反应直接制取固体聚合硫酸铁的工艺。
It is necessary to research a new method of SPFS preparation by solid reaction process with industrial scrap iron powder.
再生纤维是用天然聚合物为原料、经化学方法制成的、与原聚合物在化学组成上基本相同的化学纤维。
Regenerated fiber is made of natural polymers through chemical methods, it has same chemical composition with original polymer.
经生物曝气氧化后的印染废水，采用聚合氯化铝或聚合硫酸铁作絮凝剂进行絮凝处理。
The dyeing wastewater which was oxidized by bio-aeration has been treated through the process of flocculation sediment, then filtrated with the slag.
介绍了用压差法测定改性聚酯切片经干燥和固相聚合后的含水率。
Water content of modified polyester chips were determined by pressure-difference method after being dried and solid state polycondensation.
此类密封胶包括经硫化可形成真正弹性状态的液体聚合物，它们具有承受重复的接缝变形能力。
Such sealants include the formation of sulfide can be really flexible polymer liquid state, they have to bear the ability to repeat the joint deformation.
气体经喷嘴进入聚合物熔体时所形成的气熔界面的运动情况随着进气压力、熔体温度等不同参数的改变而发生变化。
The interface motion situation of gas-melt is changed when injecting gas into melt in various conditions-gas-entering pressure, melt temperature and so on.
气体经喷嘴进入聚合物熔体时所形成的气熔界面的运动情况随着进气压力、熔体温度等不同参数的改变而发生变化。
The interface motion situation of gas-melt is changed when injecting gas into melt in various conditions-gas-entering pressure, melt temperature and so on.
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