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As a precursive work of polymerization directly from vesicles, a polymerizable surfactant, allyl dodecyl dimethylammonium bromide was synthesized, and spontaneous stable vesicles were formed from aqueous solutions of ADDB and sodium dodecyl sulfonate in equimolar composition.

作为可聚合囊泡制备的前期基础工作,研究了一种可聚合的囊泡体系:1-丙烯基-2,2,二甲基-十二烷基溴化胺和ADDB与十二烷基磺酸钠的等摩尔比混合体系。

A commercial and practical synthesis rout with-2-(3-acetoxy-l-me-thyl-l~propenyl)-5,5-dimethyl-l,3-dioxane as starting material by couple,oxidation, Ramberg-Backlund and deprotection is chosen and studied in this paper.

本文选择了以2-(3-氯-1-甲基-1-丙烯)-5,5-二甲基-1,3-二噁烷为原料,经偶连、氧化、Ramberg-Bcklund反应及脱保护基四步反应的合成路线,对该中间体进行合成研究。

The sample was isolated by sephadex G-25 gel filtration column after concentration. Then bioactivity was assayed by Candida albicans. The chemical components were isolated and identified by GC-MS. GC determined the relative percentage content of the extract, nine kinds of components were separated, identified and accounted for about 82.12%, the major compound was propenyl methyl disulfide.

浓缩后的样品通过Sephadex G-25凝胶柱分离提纯其中的有效成分,以白色念球菌进行生物活性测定,并用气相色谱-质谱法对其化学成分进行分离鉴定,GC法测定各种化合物的相对百分含量,共鉴定了9种成分,约占总提取物的82.12%,其中,主要物质是甲基丙烯基二硫化物。

Based on the experimental results,di-butyl-peroxide,di-cyclopentadiene and propyl nitrate are found to be sensitive to the change of heating temperature and heating time,and their thermal decomposed products can be detected easily.

实验表明,在343~473 K温度范围内,过氧化二叔丁基、双环戊二烯和硝酸丙酯对受热温度和受热时间的变化较为敏感,热分解现象明显,热分解产物易于检测。

The results show that it only takes 8 min for the reaction, when the initiator is potassium persulfate/sodium thiosulfate which forms an oxidation-reduction initiator system; N,N-methylene diacrylamide is as cross-linker; neutralization degree is 70%, under the microwave power of 360 W.

结果表明,在360W的微波辐射功率下,采用过硫酸钾与硫代硫酸钠的氧化还原引发体系,N,N-亚甲基双丙烯酰胺为交联剂,接枝单体的中和度为70%时,只需8min就可以完成纤维素基高吸水树脂的接枝共聚合成。

Three methods are used to prepare molecular imprinted polymers,which include conventional bulk technique or polymerization with ultraviolet initiated in low temperature and polymerization with silica-gel as sacrificial materials. In the polymerization procedure , Sulfamethazine(SM2)and Sulfisoxazole were used as target template molecules, methacrylic acid and 4-vinylpyridine(4-VP) and acrylamide were selected as functional monomers, ethylene glycol dimethacrylate as crosslinker, azobisisobutyronitrile was used as initator.

主要工作如下:首先,以磺胺异噁唑和磺胺二甲嘧啶为模板,分别以4-乙烯基吡啶,甲基丙烯酸,丙烯酰胺为功能单体,以二甲基丙烯酸乙二醇酯为交联剂,偶氮二异丁腈为引发剂,采用了传统方法(60℃恒温水浴)、牺牲硅胶法及低温紫外光聚合法等三种方法合成了一系列的磺胺类药物印迹聚合物。

Rotary viscosimeter is employed to reflect the effect of the composition, shear, temperature and salt concentration on viscosity of the modified polyacrylamide was studied in different synthesis approaches.

为了增强聚丙烯酰胺的增粘性能,提高其抗剪切、抗温和抗盐性,使用实验室自制的疏水单体、丙烯酰胺和离子型单体,通过3种不同的聚合方法进行自由基共聚合。

It was found that ARA was composed of esterification products of (2-HEA)-ester with pimaric acid, dehydroabietic acid, abietic acid and two isomers of acrylpimaric acid. ARA is a good crosslinking agent which can copolymerize with most vinyl monomers. The properties of solvent-resistance and heat resistance of the copolymer were improved considerably by the use of ARA.

实验结果表明:ARA主要由海松酸、脱氢枞酸、枞酸和丙烯海松酸的二种异构体的丙烯酸-2-羟基乙基酯的酯化产物组成,ARA是一种良好的交联剂,可与大多数乙烯基单体共聚合,其与MMA的共聚物的耐溶剂性和耐热性均得到了较大幅度的提高。

In this thesis, monomer with unsaturated double bond was firstly synthesized byreacting acryloyl chloride with bifunctional monomer. Such synthesized monomer ormonomer with initial unsaturated double bond was used to prepare linear polymericmaterials by free radical polymerization. A series of new degradable space polymerswith acylamino bond were subsequently synthesized using diisocyanate as thecross-linker.

本文首先通过丙烯酰氯和双官能团单体反应引入不饱和双键,或者直接使用具有不饱和双键的单体,通过自由基聚合得到含有活泼羟基或氨基的线型高分子聚合物,再用二异氰酸酯作为交联剂交联,从而合成了一系列基于酰胺键的新型可降解高分子体型聚合物。

Using allylamine monomer,amine-containing functional films were prepared by pulsed dielectric barrier discharge at a high pressure.

采用高气压脉冲DBD等离子体,以丙烯胺为聚合单体,氩气为辅助气体,合成胺基薄膜。

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