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Methods:The target compounds were synthesized from acylation of polyethylene glycol to hydroxy group of ursolic acid by polymer polycondensation method.

通过高分子缩合的方法，将酰化的聚乙二醇接枝到熊果酸的羟基上，得到目标产物。

Using 3 hydroxy 2 naphthoic acid as a fluorescence probe, the relationship of the crosslinking degree of the polymer with the stability of supramolecular complex and the fluorescence properties was investigated, respectively.

用改进的Renard方法控制合成了 6种不同交联度的水溶性β环糊精聚合物。

Parameter τ＇(ratio of lag time of diffusion process to relaxation time of polymer) can define the form of the differential equation: hyperbolic or parabolic.

参数τ＇（扩散的瞬态过程引起的滞后时间与松弛时间之比）的存在与否决定了方程是双曲型还是抛物型。

According to the properties of acrylic acid series polymer of scale inhibition. A kind of amphiprotic tercopolymer of acrylic acid, acrylamide and dimethyldiallylammonium chloride is synthesised, with water as solvent, persulfate and hypophosphate as initiator. Through the tests, the copolymer can show the good scale inhibiting effect and bactericidal action, and become a multifunctional scale inhibition.

本研究根据丙烯酸聚合物阻垢剂的特点，使用过硫酸铵(NH_4_2S_2O_8、次亚磷酸钠(Na_2PO_3)构成的氧化——还原型引发剂，水为溶剂，合成了新型可用于处理工业循环冷却水的丙烯酸—丙烯酰胺—二甲基二烯丙基氯化铵两性型三元共聚物。

We hypothesize that this observation can be related to the time-dependent nature of the polymer.

我们推测所观察到的现象和聚合物本身时间依靠的强度特性有关。

Coordination Polymer; Crystal Structure; Imidazole; Topology; Transition Metal

配位聚合物；晶体结构；咪唑；拓扑结构；过渡金属

Imide derivatives constitute an important class of organic compounds with numerous uses in biology, synthetic and polymer chemistry.

Imide 衍生物在生物合成及聚合物化学方面，有许多重要的用途。

In addition,the chemical reactivity、 resin mechanics properties and the influence of polymer ether imide toughening 5406 resin were discussed in the thesi...

本文还对5406树脂体系的化学反应性、树脂浇注体力学性能以及聚醚酰亚胺增韧改性5406双马树脂进行了研究。

A novel epoxy resin containing imide and naphthyl groups was synthesized to produce heat resistant polymer. The chemical structures were characterized by ~1H-NMR,~(13)C-NMR, FTIR spectra and elemental analyses.

合成了一种新型含萘环和酰亚胺结构的环氧树脂BHPD-EP，其化学结构由~1H-NMR、~(13)C-NMR、FTIR和元素分析进行了表征。

According to the theory of moderate crosslinking of polymer,the relation between properties and contents of THEIC and imide group of the polyesterimides were studied,the polyesterimides were characterized with FTIR and GPC,the enamelled wires covered by the polyesterimide varnish were tested.

根据适度交联理论，探讨了配方中赛克含量和亚胺基含量对漆性能的影响，利用FTIR、GPC等对所制备的漆包线漆进行了分析与表征，并对所涂制的漆包线性能进行了分析检测。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷