您要查找的是不是:
- Butadiene vinyl pyridine rubber latex. 丁二烯、乙烯基吡啶经乳液共聚制得的胶乳。
- Pyridine is a colorless chemical liquid. 吡啶是一种无色的化学液体。
- Cafenstrole is a highly active, low toxicity, broad-spectrum herbicide with triazole carboxamide structure. 苯砜唑是一种高效、低毒、除草谱广的三唑酰胺类除草剂。
- The method of preparation of the key intermediate,4 amino 1 methyl 3 n propylpyrazole 5 carboxamide(6)was improved. 改进了重要中间体4氨基1甲基3正丙基吡唑5酰胺(6)的合成工艺。
- S-(+)-2,2-dimethylcyclopropane carboxamide was isolated and purified from reaction mixture with total yield of 43.6%. 产物经分离、纯化,制备得到S-(+)-2;2-二甲基环丙烷甲酰胺样品,总收率达到43.;6%25。
- The fixation of CO2 carried out by these autotrophs, in addition to ATP, requires reduced pyridine nucleotide. 除ATP外,由这些自养生物进行的CO2固定,需要还原的吡啶核苷酸。
- The pyridine was chemisorbed at both Lewis and Bronsted sites on the glass surface. 在玻璃表面上,吡定都是化学地吸收在路易斯和布朗斯特德位置上的。
- Heterocylic aromatics such as pyridine and pyrimidines also give a somewhat similar set of bands in the 1600 cm region. 杂环芳香族结构类如吡啶、嘧啶类化合物在1600厘米-1(6.;25微米)区域也有相似的一组谱带。
- A pyridine derivative, C18H11NO3, occurring especially in cereals, yeast, liver, and fish and serving as a coenzyme in amino acid synthesis. 吡哆醇吡啶的衍生物,c18h11no3,尤其出现于谷类,酵母,肝脏和鳞中,作为氨基酸合成作用中的辅酶
- The synthetic methods of glutaraldehyde from pyridine, pyrane, 1,5-pentadiol, or cyclopentene, etc., are introduced. 介绍了戊二醛的合成方法,包括吡啶法、吡喃法、1,5-戊二醇法、环戊烯氧化法等。
- A semi-empirical LCAO-MO-AM 1 calculation is performed for some substituted pyridine N-oxide. 在LCAO-MO-AM1水平上计算了取代氧化吡啶的气相质子化能.
- The typical K-F reagent has disadvantage of high poisonousness and pyridine malodor. 经典K-F试剂缺点是毒性大,且具有吡啶的恶臭。
- The influence of chloride ions on SERS of PABA (p-aminobenzioc acid) and pyridine in Ag sol were discussed. 讨论氯离子对银胶体系中对氨基苯甲酸(PABA)和吡啶(pyr)的表面增强喇曼散射(SERS)效应的影响。
- We studied the recovery of the crude pyridine from coking plant waste water using the direct acid-cleaning method. 对氨水萃取脱酚溶剂(粗苯)直接酸洗回收粗吡啶进行了研究。
- Aming the synthetic methods of DMAP,the methad for preration of DMAP from pyridine and thiony chloride was studied. 在合成4二甲氨基吡啶的各种方法中,作者对以吡啶和氯化亚砜为原料的合成方法作了研究。
- Quinoline could be hydrogenated into tetrahydroquinoline, which would be cracked into pyridine, aniline and ammonia. 喹啉加氢生成四氢喹啉,四氢喹啉进一步裂化转化为吡啶、苯胺和氨。
- Pyridine bases are widely used in pharmaceutical, pesticide, aromatics, rubber and dyestuff industry. 吡啶碱广泛应用于合成医药、农药、香料、橡胶和染料。
- Triisopropyl phosphite was synthsized from phosphorus trichloride and isopropanol using pyridine as an organic base. 采用三氯化磷、异丙醇为原料,吡啶为有机碱合成亚磷酸三异丙酯。
- Structures of pyridine clusters and mechanism of intracluster proton transfer are presented. 给出了吡啶团簇的稳定结构和簇内的质子转移过程。
- This preparation uses dialkyl imidazole salt, alkyl pyridine salt or caprolactam and fatty acid as reactant. 该方法使用带有二烷基咪唑盐、烷基吡啶盐或者己内酰胺和脂肪酸作为反应物。