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Based on 26B4APBN monomer, polyamic acid was obtained by polymerization with pyromellitic dianhydride, and further imidized into polyimide film by heating process.

由二胺单体和均苯四甲酸二酐进行聚合得到26B4APBN/PMDA聚酰胺酸，再经热亚胺化得到聚酰亚胺薄膜；测试了该薄膜的接触角，讨论了单体分子结构对聚合物接触角的影响。

In this paper, 4-4-(trifluoromethoxy benzoyl cyclohexyl-3, 5-diaminobenzoate with a large branch chain, pyromellitic dianhydride and 4-(4-aminobenzyl) benzenamine were used to synthesize polyimides. The effect of monomer charge order on pretilt angle was investigated for the first time when PIs were used as LC alignment layer, and the effect of diamine mole ratio on pretilt angle was studied. The thermal stability of the pretilt angle was discussed.

文章用均苯四酸二酐、4，4'-二胺基二苯甲烷和具有较大支链的4-（4-苯甲酰基）环己基－3，5-二胺基苯甲酸酯等单体制备聚酰亚胺，首次研究了单体加料顺序对液晶预倾角的影响，同时也研究了二胺配比对液晶预倾角的影响问题，并探讨了预倾角的热稳定性等问题。

About 70 years ago, towards the end of 1938 and at the start of 1939 to be exact, the chemist Walter Reppe, working in a BASF laboratory in Ludwigshafen, used acetylene and pyrrolidone to produce a new monomer called vinylpyrrolidone, which in turn can be transformed into the polymer polyvinylpyrrolidone.

大约70年前，对1938年底和1939年开始的，确切地说，是化学家沃尔特雷佩，在路德维希港的巴斯夫在实验室使用的乙炔和吡咯烷酮产生新的单体，工作称为乙烯基，这反过来又可以转化为聚合物聚乙烯吡咯烷酮。

Preparation of polymeric nanocapsules by radiation induced miniemulsion polymerization (1) Polystyrene nanocapsules with liquid core were prepared by ~(60)Coγ-ray radiation induced miniemulsion polymerization, in which N-vinyl pyrrolidone was used as polar monomer.

本文首先通过辐射引发细乳液聚合制备了聚苯乙烯纳米微胶囊，并从热力学与动力学两方面研究了影响纳米微胶囊形貌的因素；之后使用反相乳液聚合制备了磁性复合微球和磁性复合空心微球，并研究了有关影响因素。

Methods N-vinyl pyrrolidone, the hydrophilic monomer, was grafted onto the surface of silicone breast implants by 60Co radiation.The implants were buried in the bilateral subcutaneous layers of the back of rabbits.The unchanged implants were used as the control group.

利用钴60共辐射的方法把亲水性单体 N-乙烯基吡咯烷酮接枝到硅胶乳房假体表面，改变其表面特性后植入兔的背部，以未经改性的正常假体作为对照组，隔一定时间通过组织切片及CT扫描的方法观察假体周围纤维囊壁的形成情况。

The effects of the type and content of vinyl monomer containing polar group on the flame retardance of PP were studied.

着重探讨了含极性基团的乙烯基单体种类及用量等因素对PP阻燃性的影响。

Ursolic acid production, tanshinone Ⅱ A, resveratrol and glycosides, solanesol, luteolin, genistein and glycosides, naringin, lycopene, and so on a number of high-purity monomer plant compounds and Epimedium, rutaecarpine, green tea, grape seeds, small BAI Ju, Rhodiola, Zhishi, Trifolium pratense, Eucommia leaves, thorns Tribulus terrestris, hawthorn leaves, fungus activity polysaccharide, Hypericum perforatum, and other plant extracts of standards Exports to the Americas, Europe, Africa, Japan and other countries, product quality by international friends of praise.

生产的熊果酸、丹参酮ⅡA、白藜芦醇及苷、茄尼醇、木犀草素、染料木素及苷、柚皮苷、番茄红素等数种高纯度的植物单体化合物以及淫羊藿、吴茱萸、绿茶，葡萄籽，小白菊，红景天，枳实，红车轴草，杜仲叶，刺蒺藜，山楂叶，灵芝活性多糖，贯叶连翘等多种植物标准提取物出口到美洲、欧洲、非洲、日本等国，产品质量受到国际友人的广泛赞誉。

With the increase of Mg2, the concentration of CO2 gradually reduces, and the majority of the volatile and semivolatile organic products, especially styrene monomer and some polycyclic compounds, take on increasing tendencies.

随着氢氧化镁含量的增加，二氧化碳的浓度逐渐降低；残渣中焦碳的含量以及大多数的挥发性和半挥发性有机产物，尤其是聚苯乙烯单体和一些多环化合物明显增加。

The synthesis of hyperbranched poly based upon 1,2-bis diallyl (methyl silyl ethane (B4) as a core molecule and diallyl silane (AB2) monomer via hydrosilylation addition have been investigated: And the hyperbranched poly were prepared using onestep without core, one-step with core and pseudo-one-step methods.

以四烯丙基硅烷(B4)为核、甲基氢二烯丙基硅烷(AB2)为单体，通过硅氢加成反应，采用无核一步法、核一步法、核多步法合成了超支化聚有机硅破烷。

Self-crosslinkable latex at room temperature with high elasticity is prepared when N-hydroxymethyl acrylamide is used as self-crosslinkable monomer, and poly solidum maleate is applied as protective colloid, and pre-emulsified and semi-continuous seeded emulsion polymerization is adopted.

采用N-羟甲基丙烯酯胺为自交联单体，聚马来酸钠为保护胶体，采用预乳化半连续种子乳液聚合工艺，制备出高弹性室温自交联乳液。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新