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已读[126] 发布: 2013/07/11 13:09:15
最近,研究人员在这一研究发现的基础上,通过巧妙的设计,在[Ir(COD)Cl]2和Feringa配体的催化下,邻胺基苯乙烯类化合物和烯丙基双碳酸甲酯反应,可以实现串联的烯...
已读[114] 发布: 2013/07/11 13:08:46
PR Newswire (press release) PC is a type of polyester in which the carbonate ester groups are linked by aromatic groups. The polymer is produced by an interfacial process where bisphenol A, which is also the raw material for epoxy and polyacetal ... PBT is a semi-crystalline ... and more »
已读[114] 发布: 2013/07/11 13:08:42
Azom.com PC is a type of polyester in which the carbonate ester groups are linked by aromatic groups. The polymer is produced by an interfacial process where bisphenol A, which is also the raw material for epoxy and polyacetal ... PBT is a semi-crystalline ...
已读[119] 发布: 2013/06/20 15:18:11
...拟投资于新建20,000吨/年AKD原粉项目、新建20,000吨/年AKD原粉项目、新建5,000吨/年氯甲酸酯、1,000吨/年氯甲基异丙基碳酸酯项目以及10,000吨/年AKD原粉、3,000吨/年氰乙酸甲酯、50吨/年TRP催化剂、180吨/年DBSO技改项目,...
已读[116] 发布: 2013/06/20 15:18:08
按照公司发行计划,募集资金将用于新建20,000吨/年AKD原粉项目;改扩建50,000吨/年光气及光气化衍生产品项目;新建5,000吨/年氯甲酸酯、1,000吨/年氯甲基异丙基碳酸酯项目及10,000吨/年AKD原粉、3,000吨/年氰乙酸甲酯、50吨/年TRP催化剂、180吨/年DBSO技改项目。 据了解,...
已读[278] 发布: 2013/06/18 23:03:15
经营范围:许可经营项目:丙二腈、甲醇、盐酸、乙酸溶液〔含量>10%~80%〕生产及自产产品的销售。一般经营项目:氰基乙酰胺、三嗪环、氰基频那酮、乙酰氨基丙二酸二乙脂生产、销售;化工产品(危险化学品除外)销售;...
已读[7009] 发布: 2013/06/18 13:28:13
31.含农药增效助剂的莠去津除草剂组合物 申请号:CN200810043853 申请日:2008.10.21 公开(公告)号:CN101371662B 公开(公告)日:2012.05.30 申请(专利权)人:上海工程技术大学 ...
已读[330] 发布: 2013/06/15 07:07:05
121 N,N-二甲基氨基乙腈 2-(二甲氨基)乙腈 N,N- Dimethylaminoacetonitrile 2- Dimethylaminoacet onitrile C4H8N2 926-64-7 2378 122 3-氯丙腈 β-氯...
已读[121] 发布: 2013/06/15 06:52:21
KQED (blog) To make coccoliths, Ehux takes carbon dioxide dissolved in seawater and combines it with calcium ions in the water to make calcium carbonate (the mineral calcite), somehow rendering its spiky crystals into shapes elegant enough to inspire new forms of ... and more »
已读[2254] 发布: 2013/06/13 17:07:47
Nature.com Cell extracts were obtained as described previously.29 Cells were washed with PBS, and then the extraction buffer (1% Triton X-100 and the protease inhibitor cocktail in PBS) was added. After incubation on ice for 10 min, the cell extract was ...
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