查询词典 polymerization

A second group includes those compositions, which include an organic polymeric binding material, eg, mixed cellulose esters of monobasic or dibasic acids such as cellulose acetate succinate; an addition-polymerizable ethylenically unsaturated compound, eg, vinylidene and vinyl monomers, preferably of the acrylic or alkacrylic ester type; eg, triethylene glycol diacrylate; and an addition-polymerization initiator which forms radicals under the influence of actinic radiation, eg, anthraquinone.

第二组包括那些作品，其中包括有机聚合物具有约束力的物质，例如，对一元或二元酸混合纤维素酯，如醋酸纤维素琥珀酸； 1此外，聚合ethylenically不饱和化合物，例如，偏和乙烯基单体，丙烯酸最好的或alkacrylic酯类型，如，三乙二醇二丙烯酸酯；和加成聚合引发剂的形式下光化辐射的影响自由基，例如，蒽醌。

A catalyst composition for the polymerization of propylene comprising one or more Ziegler-Natta procatalyst compositions comprising one or more transition metal compounds and one or more esters of aromatic dicarboxylic acid internal electron donors; one or more aluminum containing cocatalysts; and a mixture of two or more different selectivity control agents, said SCA mixture comprising from 1 to 99 percent of one or more esters of one or more aromatic monocarboxylic acids or substituted derivatives thereof, and from 99 to 1 percent of one or more alkoxysilane compounds.

一种用于丙烯聚合的催化剂组合物，包括：一种或多种齐格勒-纳塔主催化剂组合物，该齐格勒-纳塔主催化剂组合物包括一种或多种过渡金属化合物和一种或多种芳族二羧酸酯内部电子给体；一种或多种包含铝的辅催化剂；和两种或更多种不同的选择性控制剂的混合物，所述SCA混合物包括1到99％的一种或多种芳族单羧酸的一种或多种酯或其取代衍生物、和99到1％的一种或多种烷氧基硅烷化合物。

The basic monomeric unit should possess chemical and thermal stability and, upon polymerization, provide a product with unique properties.

单体单位应具备的基本化学和热稳定性，一经聚合，提供一个独特的产品性能。

Easy is used as an adhesive to monosomic or ploymer acidlowpolymer form (and hence there is a low viscosity) coating, and then impose appropriate catalyst or heating, radiation, and so make it further polymerization and cross-linked formation solid－state adhesive membrane.

作为胶黏剂使用的聚合物以单体或低聚物的形式涂布，然后通过施加合适的催化剂或加热、辐射等使其进一步聚合并交联形成固态胶黏剂膜。

A series of newl naphthalenic sulfonated polyimides were synthesized using 1,4,5,8-naphthalenetetracarboxylic dianhydride, 2,2'-benzidinedisulfonic acid by one-step high temperature polymerization method. The sulfonated degree of SPI-X membranes was controlled through adjusting the molar ratio of BDSA to the non-sulfonated diamines.

采用1，4，5，8-萘四酸二酐、2，2′-联苯二胺双磺酸和APBA为单体，通过高温一步聚合法合成了含有噁唑环的新型磺化聚酰亚胺，通过调节二胺单体的比例控制磺化程度。

The main research now is focused on the polymerization of difluoramino substituted oxetane monomers, the preparation of neopentyl difluoramino nitrato plasticizers, and the molecular design and synthesis of cyclic N2 nitramino geminal difluoramino oxidizers.

目前该领域的研究工作主要集中在二氟氨基取代环氧丁烷聚合物合成，新戊基二氟氨基硝酸酯增塑剂制备，以及环N2硝胺基偕二氟氨基氧化剂的分子设计与合成上。

The nitrophenol and hydroxybenzoic acid isomers imprinted monolithic columns were prepared by in-situ polymerization.

采用原位聚合法制备了硝基苯酚和羟基苯甲酸位置异构体的分子印迹整体柱。

The nitrophenol and hydroxybenzoic acid isomers imprinted monolithic columns were prepared by in-sim polymerization.

采用原位聚合法制备了硝基苯酚和羟基苯甲酸位置异构体的分子印迹整体柱。

To sum up, the preparation technology of WSCU which coating directly form on the surface of urea granular by polymerization in native solution is a creative technology, the advantages of which are nonusing organic solvent

综上所述，利用原液聚合化学反应在尿素颗粒表面直接成膜制造保水剂包膜尿素肥料的工艺是一项原创新性工艺技术，该包膜工艺具有不用有机溶剂，无污染的优点；保水剂包膜尿素具有较好的工艺性能和生物学效应，该包膜工艺技术和产品具有广阔的开发前景和巨大的农业应用价值。

To sum up, the preparation technology of WSCU which coating directly form on the surface of urea granular by polymerization in native solution is a creative technology, the advantages of which are nonusing organic solvent, and no pollution. The manufactured WSCU behave good technical performance and biological effects, thus this coating technology and WSCU product have broad prospect to industrialization and huge application valuation in agriculture.

综上所述，利用原液聚合化学反应在尿素颗粒表面直接成膜制造保水剂包膜尿素肥料的工艺是一项原创新性工艺技术，该包膜工艺具有不用有机溶剂，无污染的优点；保水剂包膜尿素具有较好的工艺性能和生物学效应，该包膜工艺技术和产品具有广阔的开发前景和巨大的农业应用价值。

The objective is to subjugate and discourage the people, because that allows the elite to continue to rule unopposed.

其目的是压制和打击人民的积极性，因为这可以让实权派继续统治不会沦为反对派。

GOD,this is the second time you vanquished me!

天啊，这是第二次你打败了我！