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The composites of nylon 66/MWNTs were prepared by in situ polymerization of MWNTs,hexane diacid and hexane diamine.

将修饰前后的MWNTs与己二酸、己二胺进行原位聚合制备了尼龙66/MWNTs复合材料。

They are usually prepared from equivalent amounts of glycols and dibasic carboxylic acids, which undergo condensation polymerization to produce the polyester and water.

通常由等当量的甘醇和二元羧酸制备,它们经过聚合作用而生成聚酯和水。

In this Ph. D. dissertation, reverse microemulsion method was fully used infabricating and modifying polyacrylamide with functional and high-relative moleculeweight. The copolymerization of 2-acrylamide-2-methylpxopanesulfonic acid, fluorescent monomer 4-methoxy-N-(2-N\', N\'-dimethylamino ethyl)naphthalimide alkyl chloride quaternary ammonium salt, fluorescentmonomer 4-(N\'-methyl-1-piperazinylallyl)-N-butyl-naphthalimide chloride quaternaryammonium salt, Cationic monomer dimethylethylammonium bromide and hydrophobical monomer octadecylacrylate with acrylamide and properties of the copolymers werestudied. The interaction between five polymers and Al_2O_3(012) crystal surface have beensimulated by Materials Studio 3.0 program package, binding energies and non-bondinteraction energies and deformation energies have also been acquired.

本文以制备具有较高相对分子质量和功能型PAM为研究目的,将反相微乳液法运用到其制备及改性的有关环节,通过反相微乳液聚合工艺,将几种改性功能单体2-丙烯酰胺基-2-甲基-丙磺酸、荧光单体2-(4-甲氧基-1,8-萘二甲酰亚胺基)-乙基二甲基烯丙基氯化铵、荧光单体4-(N'-甲基-1-哌嗪基)-N-丁基-1,8-萘烯丙氯季铵盐、阳离子单体丙烯酰氧乙基-二甲基-乙基溴化铵和疏水单体丙烯酸十八酯与AM共聚,制备AMPS改性PAM、荧光示踪型PAM、阳离子单体DMB改性PAM和OA改性PAM等四类不同功能单体改性PAM,并研究其应用性能。

The concentrations of Mg^2+, dNTPs, Taq DNA olymerase, primers which affect the SRAP-PCR reactions were optimized in order to establish the SRAP molecular marker system in Diospyros spp.

为了建立柿属植物SRAP技术体系,对影响SRAP-PCR的Mg^2+、dNTPs、Taq聚合酶、引物浓度等因素进行了优化。

A molecularly imprinted solid phase extractant, particularly for the recognition of diphenylguanidine was prepared using diphenylguanidine as the template and bulk polymerization.

以二苯胍为模板分子,用本体聚合法合成了对二苯胍具有良好识别能力的分子印迹固相萃取剂。

Firstly, partial sulfonated polystyrene were prepared by solution polymerization with the raw materials of styrene, sodium styrene sulfonate and divinyl benzene; Secondly, the SPS/OMMT nanocomposites were prepared by intercalation polymerization with the monmers and organically modified montmorillonite.

首先,利用NMP为溶剂,BPO引发苯乙烯、苯乙烯磺酸钠、二乙烯基苯溶液共聚;同时,采用高分子的单体与有机蒙脱土插层聚合制备了磺化聚苯乙烯阳离子树脂/蒙脱土复合材料。

Objective: To evaluate the nested polymerase chain reaction technique in diagnosing endobronchial tuberculosis.

目的 :了解巢式聚合酶链反应技术对支气管内膜结核的诊断价值。

Objective To evaluate the nested polymerase chain reaction technique in diagnosing endobronchial tuberculosis.

目的 了解巢式聚合酶链反应爱情技术对支气管内膜结核的诊断癌症价值。

Conductive polythiophene film was electrochemically deposited by direct oxidation of thiophene in boron thrifluoride diethyl etherate and in the mixed electrolyte of BFEE and acetonitrile.

用电化学方法分别在纯的三氟化硼乙醚离子溶液中,三氟化硼乙醚+乙腈溶液中在导电氧化锢锡ITO电极上成功聚合噻吩。

Using pentaerythritol as initiator, boron trifluoride diethyl etherate as catalyst.dichloroethane as dispersion agent, the chloride polyether polyol is synthesized based on the mechanism of cationic ring-opening polymerization of epiclilnrohyclrin.The azide polyether polyol is synthesized, in DMF through A and sodium azide, and the non-reported azide energetic curing agent is synthesized through the adduction of B and IIDI.

以季戊四醇为起始剂,三氟化硼乙醚为催化剂,1,2—二氯乙烷为分散剂,环氧氯丙烷经阳离子开环聚合反应制成氯化聚醚多元醇,A在N,N—二甲基甲酰胺中与叠氮化钠反应制得叠氮聚醚多元醇,B与六亚甲基二异氰酸酯加成反应制得未见文献报道的叠氮固化剂。

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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。