联基

We observed a first-order reaction for Cr under the conditions that the carboxylate groups are in excess.

在羧基浓度过量的情况下，交联反应对Cr浓度的反应级数是1。

A series of fluorenyl cardo polyimides were prepared by "one step" polycondensation of these cardo diamines with the dianhydrides4,4\'-oxydiphthalic anhydride(ODPA,3,3\'4,4\'-benzophenonetetracarboxylic dianhydride, 3,3\',4,4\'-biphenyl tetracarboylic dianhydrideand pyromellitic dianhydriderespectively.

由五种Cardo型二胺单体分别与3，3\'，4，4\'-二苯醚四酸二酐、3，3\'，4，4\'-二苯甲酮四酸二酐、3，3\'，4，4\'-联苯四酸二酐和均苯四甲酸二酐采用一步法溶液聚合制备了一系列芴基Cardo型可溶性聚酰亚胺。

Nonlinear characteristic of matrix material is considered in the bridging model constitutive theory of composite materials.

复合材料的桥联模型本构理论考虑了基体材料的非线性特性。

Aim To study the preparation conditions of the metal chelate gel with chitosan as support.

目的 研究利用壳聚糖为载体、戊二醛为交联剂、亚氨基二乙酸为螯合配基制备金属登合亲和吸附剂的条件。

A nonaquous capi l l ary e l ecbophoretic chira l separation of l , l '-bi-2-naphtho l with a new chira l se l ector N-benzy l cinchonine ch l oride is described in this paper.

利用新的手性选择剂苄基氯化辛可宁，在非水相中成功地分离了联萘酚对映体，并对分离的机理作了初步地探讨。

In sina interior the personage looks, sunshine culture group introduced 2001 when presiding apparitor Wu Zheng becomes president of sina couplet banquet, duan Yongji achieves in a period of great prosperity for a time to the control force of sina, after this leaves as Wu Zheng and exit cloudily grandly, slide gradually.

在新浪内部人士看来，在2001年引入阳光文化集团首席执行官吴征成为新浪联席董事长之时，段永基对新浪的控制力一度达到鼎盛，此后随着吴征离开以及盛大黯然退出，逐渐滑落。

Because of this coding relationship, triplet of bases is called a codon

由于这种编码关系，碱基的三联体被称为密码子。

The experimental data demonstrated that the molar monomer (42VP)/ cross2linkerratiowasthemajorfactoraffectingtheadsorbent'scapacityfor PFOS; degree of polymerization , solvent/ water of the reaction mixture , type of organic solvent and cross2 linker affected its shape and specific surface area more significantly than its PFOS capacity.

研究结果表明：单体(42乙烯基吡啶)含量对吸附剂去除PFOS 的效果影响显著；而聚合状态、聚合液含水率、有机溶剂和交联剂的种类仅对吸附剂形态和比表面积有一定影响，但对吸附剂去除PFOS 的效果影响不大。

A novel monomer the 1-methyl-4,5-bis(4-chlorobenzoy) cyclometer containing cyclohexene were prepared,so a group of novel polys containing the cyclohexene and phthalazinone moieties was prepared by the nucleophilic displacement reaction of 1-methyl-4,5-bis(4-chlorobenzoyl) cyclohexene and 4,4′-dichlorodiphenyl sulfone and 4-(3,5-dimethyl-4-hydroxyphenyl)-2,3-phthalazin-1-one.

用新型聚合单体1-甲基-4，5-二(4-氯代苯甲酰基)环己烯与4-(4-羟基苯基)-2，3-二氮杂萘-1-酮、4，4′-二氯二苯砜单体经亲核共缩聚反应，成功地合成了含环己烯结构的杂环联苯型聚醚系列聚合物。

A novel monomer the 1-methyl-4,5-bis (4-chlorobenzoy) cyclometer containing cyclohexene were prepared,so a group of novel polys containing the cyclohexene and phthalazinone moieties was prepared by the nucleophilic displacement reaction of 1-methy l-4,5-bis(4-chlorobenzoyl) cyclohexene and 4,4'-dichlorodiphenyl sulfone and 4-(3,5-dimethyl-4-hydroxyphenyl)-2,3-phthalazin-1-one.

用新型聚合单体 1-甲基-4，5-二(4-氯代苯甲酰基)环己烯与 4-(4-羟基苯基)-2 ，3-二氮杂萘-1-酮、4，4′-二氯二苯砜单体经亲核共缩聚反应，成功地合成了含环己烯结构的杂环联苯型聚醚系列聚合物。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失