亚胺

The effects of various antioxidants on the discoloring behavior and the mechanical properties of the PA6 specimens during the course of thermal-oxidative aging were systematically studied.

研究结果表明：使用胺类抗氧剂能明显地改善PA6的抗热氧老化变色性能，还能使其保持较高的热稳定性能和力学性能，并大大延长PA6的静态使用寿命；用酚类抗氧剂/亚磷酸酯抗氧剂组成（1：1）的稳定体系能对改善PA6的耐热氧老化性能产生协同效应。

A polyimide layer overlies the IMD layer.

聚亚酰胺层位于内金属介电层上。

Furthermore.it showed that Berbamine could decrease the ratio of CD_4~+/...

用流式细胞仪对小鼠脾脏 T 淋巴细胞亚群的分析结果表明：小蘖胺能降低小鼠脾脏 CD_4~+/CD_8~+的比值。

Soft specializes in the production of EVA, Paper superscript, subscript pants, shoes superscript, rubber shoes at the end of mobile Block, PU products, football pendants, pendants cartoon, ball, rugby, acrylic key chain, compass key chain, crystal stone key clasps, leather key chain lights, flashlight key chain, key chain lightsé, tape measure key chain, PP fan, drink coasters, crystal coasters, pen, cushions, Trolltech Kai bottles, metal bottles Kai, Non-woven bag, bank bags, raincoats, aprons,×melamine, plates, bowls, plastic cups, cartoon, bank card sets, book sets, plexiglass and other products.

专业从事生产EVA软胶、皮标、裤标、鞋标、橡胶胶鞋底、手机座、PU类产品、足球挂件、卡通挂件、皮球、橄榄球、亚克力匙扣、指南针匙扣、水晶石匙扣、仿皮灯钥匙扣、电筒匙扣、验钞灯钥匙扣、卷尺钥匙扣、PP扇子、杯垫、水晶杯垫、笔筒、桌垫、奇趣瓶启、金属瓶启、无纺布袋、银行袋、雨衣、围裙、密胺烟缸、盘、碗、塑料杯、卡通片、银行卡套、存折套、有机玻璃等系列产品。

Huang bean sprouts in the decomposition of chlorophyll inside the human body can nitrite amines, which played rectal cancer prevention, such as the role of a variety of gastrointestinal cancer.

黄豆芽中的叶绿素能分解人体内的亚硝酸胺，进而起到预防直肠癌等多种消化道恶性肿瘤的作用。

Could keep above 95% in the fixed beds. In order to achieve high stereo-selectivity with yeast, ethyl acetoacetate was used as the model substrate,and a novel approach was proposed to selectively inhibit R-enzymes in yeast before reaction.

以乙酰乙酸乙酯为模型底物，以丙烯酸、乙醚、二甲基亚砜、丙烯酰胺、正己烷等有机溶剂选择性地抑制酵母中R型酶，提高反应立体选择性。

A base-catalyzed novel olefination methodology based on elimination of p-toluenesulfonamide:Treatment of diethyl cyanomethylphosphonate with catalytic amount of basegave the corresponding phosphoryl-stabilized carbanion, which added to the carbon-nitrogen double bond of N-tosyl imines.

新形成的氮负离子进一步攫取另一分子膦酸酯的活泼亚甲基氢形成加成产物同时再生出膦酰基稳定的碳负离子。加成产物消除对甲苯磺酰胺，高度立体选择性地得到-α-氰基-β-芳基-乙烯基膦酸二乙酯。

A novel guar gum-g-poly superabsorbent was synthesized by the solution copolymerization between natural guar gum and acrylic acid using ammonium persulfate as an initiator and N,N′-methylenebisacrylamide as a crosslinker.

以天然瓜尔胶和丙烯酸为原料，过硫酸铵为引发剂，N，N′-亚甲基双丙烯酰胺为交联剂，采用水溶液聚合法制备了瓜尔胶接枝聚丙烯酸高吸水性树脂。

Among the special nine pollutants, however, eight of them, including Hexachlorobenzene, N-Nitrosodi-N-propylamine, 3,3-dichlorobenzidine, 2,4,6-trichlorophenol, 2,3,4,5,6-pentachlorophenol, indeno (1,2,3-cd) pyrene, 4,4'-DDT and Heptachlor were in need of concern while another chemical: dibenzanthracene be of special concern. The sources of these chemicals were discussed and some control strategies were suggested based on the risk assessment.

结果表明，有18种有机污染物超过了USEPA的标准浓度要求，其中9种物质具有一定的生态风险，其中六氯苯、N-亚硝基二正丙胺、3，3'-二氯联苯胺、2，4，6-三氯酚、五氯酚、茚并(1，2，3-cd)芘、4，4'-滴滴涕、七氯在内的8种化合物具有一定的风险，而多环芳烃二苯并蒽需要引起更高警惕；在此基础上探讨了这些化合物的来源及作用，并提出了相应的防治建议。

The direct self-condensation of the ABB' intermediates prepared was carried out under three different conditions including (1)25C/DBOP-TEA (2) 110/TPP-Py (3) 200 oC to form three hyper-branched poly ether imides.

藉由所制备ABB，分歧状新中间体，本研究进行三种自身聚缩合的探讨，包括下列三种不同状况：(1)常温/DBOP-TEA (2) 100oC/TPP-Py 及(3) 200 oC ，制得三类型分歧状聚醚亚醯胺高分子。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。