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已读[509] 发布: 2013/07/28 21:14:13
[核心提示]由于外加剂的应用,混凝土施工技术的新工艺如泵送、喷射等才能实现;特殊工程需要的如特殊防水混凝土、流态混凝土、速凝混凝土、高强混凝土等才可能出现;同时...
已读[1075] 发布: 2013/07/28 14:37:37
2) 有机物类外加剂:大部分为表面活性剂类物质,减水剂(木质素磺酸盐、蜜糖类普通减水剂;萘系、氨基磺酸盐类高效减水剂;聚羧酸类高性能减水剂等)、引气剂(...
已读[173] 发布: 2013/07/13 17:23:49
在房间的后半部分,还有15名四年级学生,在尝试往光伏板里灌防冻剂。每位学生都要在指导员Niko Nikolla面前演练一番。并不是所有人都能一下子掌握窍门,于是他遭到...
已读[170] 发布: 2013/07/13 17:22:11
This is Grimsby Vanessa Cowdroy's cat, Oliver, was put down after almost a week of suffering with sickness – believed to be the effects of digesting antifreeze . ​. BELOVED PET: Vanessa Cowdroy holds a picture of Oliver, who she believes was poisoned by anti-freeze.
已读[168] 发布: 2013/07/13 17:22:06
Ottawa Citizen OTTAWA — Sixteen years into a life sentence for murdering her husband with antifreeze -laced wine, Cherrylle Dell has taken the first step toward release on early parole. Dell has filed a faint hope application, according to her Ottawa lawyer Jeffrey ... and more »
已读[230] 发布: 2013/07/12 13:21:25
中化新网讯 美国俄勒冈州立大学研究人员日前在《材料科学杂志快报》撰文指出,乙二醇防冻剂有望成为可量产、易扩展、薄膜式太阳能电池的制作材料,同时铜、锌、锡、硫...
已读[158] 发布: 2013/07/11 18:59:26
中心主要产品:甲醛清除剂、甲醛特效溶解酶、光触媒、空气触媒、笨清除剂、氨...特别是在冬季施工过程中,在混凝土墙体中加入以尿素和氨水为主要原料的防冻剂。...
已读[186] 发布: 2013/07/11 18:59:17
低成本防冻剂乙二醇可以降低光伏成本,结合使用相对便宜的材料和防冻剂,防止散热器在低温下冻结,这可能是降低光伏成本,避免使用有毒化合物,从而扩大光伏应用的关键之...
已读[169] 发布: 2013/07/11 18:58:46
Swell Pets The RSPCA has warned people to be more vigilant about the danger of antifreeze poisoning in cats. The animal charity has issued an appeal to pet owners following a number of incidents of cats falling ill with suspected antifreeze poisoning in the ...
已读[166] 发布: 2013/07/11 18:58:37
Esquire (blog) The Snowden Effect has crept into the pixels of Tiger Beat On The Potomac, wherein media reporter Dylan (Conveyor Belt) Byers points us to a dust-up between Glenn Greenwald and Walter Pincus, the veteran national-security correspondent of The  ...
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