二乙烯基

A series of UV-cured AB crosslinked polymers based on vinyl-terminated polyethylene adipate polyurethane and methyl methacrylate were prepared.

用紫外光聚合方法制备出一系列端乙烯基聚己二酸乙二醇酯聚氨酯和甲基丙烯酸甲酯AB交联聚合物。

The cationic diamide softener can be emulsified by emulsifying agent, and the emulsion of cationic diamide softene can be used as softening agent in Papermaking. The results showed that the emulsion of the cationic diamide softener is stable and homogeneous when the dosage of emulsifying agent cetyltrimethylammonium chloride is 10% in the emulsifying process.

摘 要：以硬脂酸和二乙烯三胺经酰化反应制得二硬脂酰化物，用环氧氯丙烷阳离子化后，再加入乳化剂乳化，可制得带有反应性基团环氧基的新型双酰胺阳离子乳液型纸张柔软剂。

The standard molar special heat capacity of 1,1-diamino-2,2-dinitroethylene (FOX-7) was determined with two continuous Cp modes of a mircocalorimeter to be 176.56 and 176.02 J·mol－1·K－1 at 298.15 K, respectively.

应用Micro-DSCⅢ微热量仪的两种连续比热容测定模式对1，1-二氨基-2，2-二硝基乙烯(FOX-7)比热容进行了测定。

The results indicated isoprene was soon consumed under the condition of excess ozone. During the reaction, the major carbonyl products formed were methyl vinyl ketone, methacrolein, methylglyoxal, and formaldehyde. Formic acid, CO and CO2 were also among the products.

在反应温度(294±2)K，压力为1.01×10^5Pa空气，O3过量的条件下，异戊二烯很快反应完全，反应中生成的羰基产物主要包括甲基丙烯醛、甲基乙烯基酮、丙酮醛和甲醛；产物中还包括甲酸、一氧化碳和二氧化碳。

Three part of research works had been carried out in the dissertation. The first part: a kind of multidentate amine modified silica gel was synthesized through the following steps:(1) introduce the amino groups onto the surface of silica-gel by the treatment of surface silanol groups withγ-aminopropyl trimethoxy silane;(2) michael addition of excess trihydroxymethyl propyl triacrylate to amino groups on the silica gel surface;(3) amidation of the unreacted double bonds of TMPTA on the surface of TMPTA modified silica gel with diethylenetriamine;(4) the multidentate amine modified silica gel was finally obtained by the reaction of amino groups on the surface of DETA modified silica gel with double bond of butyl acrylate.

本论文进行了三部分研究工作，第一部分：通过多步反应对硅胶进行改性合成了一种多齿胺改性硅胶配体，合成过程如下：1通过γ-氨丙基三甲氧基硅烷与硅胶表面的硅羟基反应，使硅胶表面带有氨基；2利用硅胶表面氨基与过量的三羟甲基丙烷三丙烯酸酯发生Michael加成反应；3利用二乙烯三胺与TMPTA改性硅胶表面未反应的双键发生反应使硅胶表面氨基化；4最后用丙烯酸正丁酯与DETA改性硅胶表面氨基充分反应成功合多齿胺改性硅胶配体。

Considering the low morphological stability of dye-doped polymer thin film and based on the above multi-chromophoric organic small molecules, six novel copolymers have been synthesized by the co-polymerization, in which there are three functions: 1, 8-naphthalimide as emitting moiety, oxadiazole as electron transporting moiety, and N-vinyl carbazole as hole transporting moiety.

考虑到有机小分子掺杂到聚合物膜中低的形态稳定性，我们在上面多发色团有机小分子研究的基础上，通过自由基引发共聚合成了六个新型的共聚物。在该类共聚物的侧链上含有三个功能团：1，8-萘酰亚胺单元、噁二唑单元和N-乙烯基咔唑单元。

The adsorption results of triethylene tetraamine-modified oxycellulose showed that:(1) when adsorption tests were carried at 37℃and pH7 in 5 h,static adsorption capacity of 0.5g adsorbent for urea(6g/L in dialysis solution),uric acid(1 g/L in redistilled water) and creatinine(0.1 g/L in dialysis solution) were 131.5mg/g,24.6mg/g,3.31mg/g respectively.

三乙烯基四胺基氧化纤维素的吸附性能结果表明：(1)吸附温度为37℃，pH值为7时，0.5g吸附剂对于尿素(6g/L透析液)、尿酸(1g/L二次水)、肌酐(0.1g/L透析液)在5h的静态吸附容量分别为131.5mg/g、24.6mg/g、3.31mg/g。

The resin is prepared by swelling chlorine balls in a solvent such as nitrobenzene; adding catalyst to obtain polystyrene-divinylbenzene adsorptive resin; removing reaction mother solution; washing to remove residual solvent and catalyst; swelling; adding pyrane reagent to further react with chloromethyl residual on inner and outer surfaces of the resin to obtain the pyranyl modified adsorptive resin with the composite function.

该树脂的制备方法：将氯球溶胀于硝基苯等溶剂中，加入催化剂，得到聚苯乙烯-二乙烯苯吸附树脂；抽尽反应母液，洗去残留的溶剂和催化剂；溶胀，加入吡喃试剂与树脂内外表面残留氯甲基进一步反应，可制得吡喃基修饰复合功能吸附树脂。

In Chapter 2, the study on PET of the donor/acceptor pair via the rigid bridge, heptacyclo [6.6.0.02,6.03,13.04,11.05,9.010,14] tetradecane, is presented. By using the GMH method, the electronic coupling matrix elements between ground and excited states are predicted.

在第二章，我们研究了对七环十四烷连接儿茶酚和二氰基乙烯构建的分子内光诱导电子转移体系；考察了吸收光谱随溶剂极性变化的影响，预测了该体系的电子转移机理，并利用广义的Mulliken-Hush公式，计算了基态和各激发态之间的电子转移耦合矩阵元。

The effect of cruciform structure on the two photon absorption action cross-section of fluorescence chromophore was reported. 1,4-Di(9'-ethyl-carbazolyl)-3'-vinylbenzene (R1) is a classic two photon absorption chromophore with D-π-D structure.

报道了十字形结构对荧光生色团的双光子吸收作用横截面积的影响。1，4-二（9'-乙基咔唑基）－3'-乙烯基苯(R1)是经典的具有D-π-D结构的TPA生色团。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。