二聚的

Sodium lauryl sulphate-polyacrylamide gel electrophoresis method was used to detect the molecular weight of LiBr dissolved fibroin solution.

采用十二烷基硫酸钠-聚丙稀酰胺凝胶电泳法测定溴化锂溶解后丝素溶液的分子量。

The latter disappears due to the dissociation of the cyclic recognition sites in flexible PEG-1O00, and the pattern changes to noncyclic recognition.

另一种模式是环型识别；聚乙二醇主体分子和有机化合物客体分子以一种环状的集团结构方式发生选择性分子间作用力。

PEG-PLA block copolymers were synthesized using polyethylene glycol and lac-tide in the presence of low toxic stannous octoate. The copolymer structure was determined by 13C NMR and the average block leng this were calculated.

本文报道聚乙二醇在辛酸亚锡存在下与丙交酯反应合成PEG-PLA嵌段共聚物，用~(13)C NMR测定了共聚物的结构，估算了平均链段长度。

Using N,N,N',N'-tetramethylethylenediamine and potassium persulphate as a redox initiation system, high molecular weight poly was synthesized by aqueous deposited polymerization.

以N，N，N'，N'-四甲基乙二胺－过硫酸钾为氧化－还原引发体系，用水相沉淀聚合法合成了超高相对分子质量的聚醋酸乙烯。

This paper introduced the method that the thiabendazole was synthesized by polyphosphoric acid as solvent.

介绍多聚磷酸作为 4 羧酸噻唑与邻苯二胺溶剂兼脱水剂，合成噻苯咪唑———食品保鲜剂的方法。

Considering the low corrosiveness of polyphosphoric acid to the stainless steel,the combustion chamber,which was made of stainless steel without inner lier,was used in the two-step method process.

利用多聚磷酸对不锈钢的低腐蚀特性，在二步法工艺中采用无衬里不锈钢燃磷塔。

Cyclization: cyclization occurs at 100℃in polyphosphoric acid for 4h in the mass ratio of 3-(4-methoxyanilino) propionic acid to PPA with 1:8, and 6-methoxy-2,3-dihydro-4-quinolone is formed in 50.5% yield with a method of rapid chromatographic column, c.

成环反应：质量比[3-(4-甲氧苯氨基)丙酸∶多聚磷酸]=1∶8，反应温度为100℃，反应时间4h，柱层析纯化后6-甲氧基-2，3-二氢-4-喹啉酮的收率为50.5％；c。

The IR spectra of the copolymers demostrate that copolymers were polycondensation product of homopolymer of propargyl alcohol with phthalic acid.

IR光谱证明了共聚物是邻苯二甲酸与丙炔醇均聚物的缩合产物。

Yixing City Chemical Plant was built in the southeast in 1991, the main products Triethanolamine, NP series emulsifier, polyethylene glycol series; Yixingoil additive Limited was founded in 1992, the main products purificant 6501, anti-rust oil Series, 13 # machine oil, cutting fluid such as water;§Yixing railway was built in 1993, the National Ministry of Railways are fixed-point production enterprise, the main products of the three generations of railway locomotive and its combination of oil, the product responsible for the supply in eastern China oil unit of the railway locomotive.

宜兴市东南化工厂建于1991年，主要产品为三乙醇胺， NP乳化剂系列，聚乙二醇系列；宜兴海达特油添加剂有限公司建于1992年，主要产品为6501净化剂，防锈油系列，13＃机械油，水剂切削液等；宜兴市铁路油脂厂建于1993年，是国家铁道部定点生产企业，主要产品为铁路内燃机车三代油及其复合剂，产品负责供应华东地区的各铁路机车用油单位。

The sebacic acid is a kind of important organic chemical material which can be widely used to produce the polyamide plastics, high temperature lubricant, cold plasticizer, resin and so on.

癸二酸是一种重要的有机化工原料，广泛应用于生产聚酰胺工程塑料、耐高温润滑油、耐寒增塑剂、树脂等方面。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。