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- osmic acid anhydride 锇酸酐
- osmic acid anhydrid 锇酸酐
- N-Carboxy-alanine acid anhydride (NCA) was synthesized by L-alanine and Triphosgen. 摘要利用L-丙氨酸和三聚光气反应制备了N-羧基-丙氨酸-环内酸酐(NCA)。
- Phosphorus Pentoxide, also called Phosphoric Acid Anhydride, is a white, spiculate crystal. 五氧化二磷又名磷酸酐，白色针状晶体。
- The organic compounds are mainly benzoic acid anhydride, benzophenone, and so on. 生成的有机化合物成分比较复杂,主要成分有苯甲酸酐、二苯甲酮等。
- Compared with the amine curing agent, the casting epoxy resin cured by the acid anhydride has higher flashover voltage. 实验结果表明:酸酐固化的试样比胺类固化试样闪络电压要高；
- The effects of the poly(l,2-butadiene) oligomer carboxylated with maleic acid anhydride (MLPB) on the cork powder filled NBR and on the IIR recipes were researched in this paper. 本文简要介绍了马来酸酐化聚丁二烯(MLPB)在软木填充丁腈橡胶制品和丁基橡胶配方改性中的应用效果。
- Maleic anhydride is the important organic chemical material, is the third largest acid anhydride behind the phthalic anhydride and acetic anhydride. 顺丁烯二酸酐，简称顺酐或者马来酐，是重要的有机化工原料，是仅次于苯酐和醋酐的第三大酸酐。
- Phthalein acid anhydride Photophobic pharmaceutical and has special protective action on the ultraviolet ray. It can cure sunlight dermatitis, eczema, etc. 酞酐避光剂，对紫外线具有特殊的保护功效，可治疗日光性皮炎，湿疹等。
- A lot of decomposition products are formed, such as dioxoimidazole, dioxopiperazine, acid anhydride, cyanuric acid, ammonium, four, five and six-membered ring lactam etc. 可能产生二氧咪唑环、毗嗪二酮、尿氰酸、铵盐及四元环、五元环和六元环内酰胺结构的产物。
- The adhesive made of epoxy resin, polyazelaic acid anhydride, 2,4-methylimidazole and modified agent.It can be solidified quickly at the middle temperature. 以环氧树脂、酸酐、咪唑等为主要原料并添加改性剂，配制了一种能在中温下快速固化的胶粘剂；
- In this paper, the various kinds of accelerators which were used for curing epoxy resin with acid anhydride, and the accelerative mechanism in the epoxy resin curing system were introduced. 摘要评述了几类用于酸酐固化环氧树脂的促进剂及其在酸酐/环氧体系中的固化促进机理。
- Arsenous oxide;Arsenic trioxide;Arsenious acid anhydride;White arsenic;acide arsenieux;anhydride arsenieux; ... 氧化亚砷;三氧化二砷;亚砷酐;砒霜;白砒香港
- The plasticizer-butyl benzyl phthalate(BBP) is synthesized by orthogonal experiments designed using benzoic acid anhydride, butanol and benzyl chloride with cetyltrimethyl ammonium bromide(CTMAB) as phase transfer catalyst. 以CTMAB为相转移催化剂,苯酐、正丁醇和苄氯为原料合成BBP的新方法。 通过设计正交实验,对原料配比、反应时间、催化剂用量、pH值和加水量等影响因素以及催化剂的回收利用进行了研究。
- The effects of the poly(1,2-butadiene)oligomer carboxylted with maleic acid anhydride(MLPB) on the cork powder filled with NBR and on the IIR formula were researched in this paper. 简要介绍了马来酸酐化聚丁二烯(MLPB)在软木填充丁腈橡胶制品和丁基橡胶配方改性中的应用效果。
- Acylation by acid chloride or acid anhydride and DCC methods were involved in the preparaion to avoid the tedious operation of isolation, because the pure compound could be prepared by the routine crystallization. 为避免各步反应产物不易分离带来的麻烦,分别用酰氯法、酸酐法和DCC法合成这些化合物,用常规结晶方法即可精制产物。
- After that, DES hemisuccinate was binded to bovine serum albumin (BSA) by the method of mixed acid anhydride, at the same time, the production was analyzed by SDS-PAGE and calculated the number of DES Hapten. 再利用混合酸酐试验将己烯雌酚半琥珀酸结合到牛血泊白蛋白(BSA)上,对反应产物进行SDS·PAGE鉴定,计算BSA分子上结合的己烯雌酚半抗原数目;
- MVA lactone has been synthesized from simple and cheap chemical reagents , such asacetone, formaldehyde, acid anhydride, tert - butanol and 2 - chloro - propan, The overallyield is 45%. 本文采用实验室常见且价廉的丙酮、甲醛、乙酸酐、叔丁醇及异氯丙烷为原料，通过醛酮缩会、酸酐酰化、格氏反应等方法，合成了甲瓦龙酸内酯，收率达到35%25-45%25。
- By selecting or synthesising polyether polyol, and changing rigid foam formulations, the application of benzoic acid anhydride polyester polyols in polyurethane rigid foam is introduced in this paper. 通过选择或合成聚醚多元醇，调整聚氨酯泡沫配方，介绍了苯酐聚酯多元醇在聚氨酯硬泡中的应用。
- The photocurable carboxylated epoxy acrylate(CEA) resins were synthesized via the reaction between hydroxyl group on epoxy acrylate resin(EA) and polybasic carboxylic acid anhydride, e. 将环氧丙烯酸树脂分别和5种多元羧酸酐反应,得羧基化环氧丙烯酸酯(CEA)树脂,实验了6种催化剂,其中以四甲基溴化铵的效果较为理想。
