研究了聚醇、聚酰胺和聚糖等一系列含有活性基团的聚合物对铝酸钠溶液种分过程的影响。
The influence of a series of polymers with active groups including polyalcohols, polyamide and polysaccharide on the seed precipitation of sodium aluminate solution was investigated.
采用具有较高特性黏度、含成核剂的聚对苯二甲酸丙二醇酯（PTT）。
Synthesize polytrimethylene terephthalate with higher characteristic viscosity and nucleating agent.
研究者们目前正为此而努力，同时他们也在探索其他可取代聚乙二醇的多聚体，以便更好地控制细胞的排列结构。
The researchers are now doing that, and they are also exploring the use of different polymers that could replace PEG and offer more control over cell placement.
消费者购买的所谓便利不过是聚对苯二甲酸乙二醇酯（PET）——工业史上极为重要的发明之一。
When people bought this convenience, what they were really buying was Polyethylene Terephthalate, or PET, the single most important innovation in the industry's history.
HST的研究者们用一种在医疗上已广泛应用的学名为聚乙二醇(PEG)的多聚体来封装细胞，构成了他们的“生物乐高积木”。
The HST researchers built their “biological Legos” by encapsulating cells within a polymer called polyethylene glycol (PEG), which has many medical uses.
一瓶美酒可能拥有浓醇的口感，淡雅的清香，配上上好的酒杯(注：品酒过程中能把酒香聚于杯口)。但是我们的大脑可能从不知道这些信息来源。
An expensive wine may well have a full body, a delicate nose and good legs, but the odds are your brain will never know.
聚醋酸乙烯和聚乙烯醇是经过无数次筛选的理想修补材料。
The polyvinyl acetate and polyvinyl alcohol used are ideal restoring materials obtained by numberless screening.
探讨了丙烯酸与十四醇摩尔比，催化剂和阻聚剂的用量、反应温度及反应时间对酯化反应的影响。
The influence of acrylic acid and tetradecyl alcohol, amount of catalyst and inhibitor, reaction temperature, reaction time were investigated.
化合物4和5为新的白藜芦醇四聚体，化合物1 ~3为首次从该植物中分得。
Compounds 4, 5 are new resveratrol tetramers, compounds 1-3 were isolated from this plant for the first time.
但是越来越多的制造商正用聚对苯二甲酸乙二醇酯（通常简称为PET）做茶包。
More and more, however, manufacturers are making them out of Polyethylene terephthalate, commonly abbreviated as PET.
同时加入三聚氰胺和聚乙烯醇，以改变树脂的柔韧性。
Simultaneousl change flexility of the resin by introducing the melamine and the polyvinyl alcohol.
本文研究了聚丙二醇的合成和精制方法。
The preparation and purification process of polypropylene glycol was studied.
本文研究了脂肪醇聚氧乙烯醚的聚合反应动力学。
The kinetics of polymerization of alcohol polyoxyethylene ether is studied in this paper.
丝光沸石被分散到乙二醇低聚物中形成稳定的胶体。它的电化学行为首次被用循环伏安法研究。
MOR zeolite was dispersed into poly(ethylene glycol)oligomer to form a stable gel. Its Electrochemical behavior was first detected by a cyclic voltammeter.
聚四亚甲基醚二醇(PTMEG)是生产氨纶和聚氨酯弹性体的重要原料之一。
Polytetramethylene ether glycol (PTMEG) is one of important materials for production of spandex and thermoplastic polyurethanes elastomer (PU).
结果表明：乙酸木质素具有典型的聚多元醇结构，虽然有部分被乙酰化，但它具有很好的溶解性；
The results showed that AAL had the typical structure of polyol and good dissolvability, though a part of AAL was acetylated.
研究了在聚乙烯醇缩甲醛溶液中制备聚醋酸乙烯酯乳胶漆的方法。
The production procedure of polyvinyl acetate latex paint in polyvinyl formal solution was studied.
目的从银杏叶中提取聚戊烯醇同系物并对其提取工艺进行优化。
OBJECTIVE To extract the polyprenol homologues from Ginkgo biloba leaves and optimize the separation process.
2006年上半年，脂肪醇价格的下降也导致其下游产品脂肪醇聚氧乙烯醚(aeo)和脂肪醇聚氧乙烯醚硫酸盐(AES)的价格回落。
In the first half of 2006, the price of fatty alcohol polyoxyethylene ether (AEO) and fatty alcohol polyoxyethylene ether sulfate (AES) dropped as a result of decline on price of fatty alcohol.
试验了用山梨醇取代聚甘油制工业用消泡剂的可能性。
Using sorbitol as a substitute for polyglycerin to make an industrial deformer was investigated.
采用正交设计法分析了聚磷酸胺(APP)、季戊四醇(PER)、三聚氰胺(MEL)作为一种混合体系对聚苯乙烯(PS)的阻燃作用。
The flame retardance of a composite system consisting of ammonium polyphosphate (APP), pentaerythritol (PER) and melamine (MEL) used for polystyrene (PS) was studied with orthogonal design method.
以1,3 -丙二醇为单体生产的聚对苯二甲酸二醇酯是一种新型聚酯材料，具有优良的特性，是目前合成纤维新品种开发热点。
Polyterephthalate produced based on monomeric 1, 3-propanediol is a new polyester material with excellent performance, it is becoming a hot point to develop new synthetic fiber currently.
第二步，在金属钾催化条件下，使第一步产物缩水甘油醚发生开环加成反应生成双子表面活性剂的中间体低聚二醇。
The second step, the digomeric glycol-intermediate product of Gemini. surfactant was prepared by opening ring reaction of glycide ether in the presence of potassium as catalyst.
用酯肪醇聚氧乙烯醚磷酸酯三乙醇胺盐为单体复配的油剂，其在腈纶中的应用情况与进口日本油剂相当。
The built finish oil using fatty alcohol polyoxyethylene phosphonate tri-ethanolamine salt as monomer had the performance equal to the imported ones from Japan.
加工类别：各种可以粉碎的干湿料物，三聚氰胺，聚乙烯醇，化工原料、石膏粉、皮类、粮食类、塑料类。
Processing category: Various dry and wet materials that could be crushed, including chemical raw materials, gesso powders, hulls, grains, and plastics.
采用三官能度的聚氧化丙烯醚醇、聚乙二醇，合成了吸水膨胀率在0～200%的聚氨酯弹性体。
Using tri-functionality polyoxytrimethylene alcohol ether and polyethylene glycol, synthetize polyurethane elastomer with water absorption expansion rate of0~200%.
制得带有光泽的褐色粘性固体产物，聚丙炔醇显示半导体及顺磁特性。
Poly (propargyl alcohol) obtained is a brown sticky-solid with lustre, and shows semi-conductivity and paramagnetism.
复方戊二醛消毒剂主要由戊二醛、聚氧乙烯脂肪醇醚等成分组成。
Compound Disinfectant of glutaraldehyde is mainly composed of the ingredients such as glutaraldehyde and polyoxyethylene aliphatic alcohol ether.
合成了以羟基封端的脂肪族聚碳酸酯-聚乙基醚碳酸酯二醇（PEECD），并用于环氧（EP）树脂的增韧。
One kind of hydroxyl - terminated aliphatic polycarbonate, i. e. poly(ethylene ether carbonate) diol(PEECD) was synthesized and used to toughen epoxy resin (EP) .
合成了以羟基封端的脂肪族聚碳酸酯-聚乙基醚碳酸酯二醇（PEECD），并用于环氧（EP）树脂的增韧。
One kind of hydroxyl - terminated aliphatic polycarbonate, i. e. poly(ethylene ether carbonate) diol(PEECD) was synthesized and used to toughen epoxy resin (EP) .
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