微门户首页  新闻  讨论区  活动  博客  求职招聘  行业报告  圈内成员  供应   
已读[308] 发布: 2013/06/14 04:22:33
Science World Report A meteorite from Mars may hold one of the building blocks of life. Researchers have examined a piece of space rock that they recovered from Antarctica and discovered that it holds high concentrations of boron , an element that when present in its ...
已读[274] 发布: 2013/06/13 01:52:44
Laboratory Equipment ... they determined boron abundances in these clays are over ten times higher than in any previously measured meteorite. “ Borates may have been ...
已读[269] 发布: 2013/06/12 00:39:39
Zee News " Borates may have been important for the origin of life on Earth because they can stabilize ribose, a crucial component of RNA. In early life RNA is thought to have been the informational precursor to DNA," said James Stephenson, a UHNAI ... ribose is ...
已读[353] 发布: 2013/06/12 00:39:29
Astronomy Magazine “ Borates may have been important for the origin of life on Earth because they can stabilize ribose, a crucial component of RNA. In early life, RNA i...
已读[371] 发布: 2013/06/11 16:58:26
Astrobiology News (press release) "Borates may have been important for the origin of life on Earth because they can stabilize ribose, a crucial component of RNA. In earl...
已读[351] 发布: 2013/06/08 15:39:54
硼砂,硼砂... 硼砂是制取含硼化合物的基本原料,几乎所有的含硼化物都可经硼砂来制得。它们在冶金、钢铁、机械、军工、刀具、造纸、电子管、化工及纺织等部门中都有...
已读[274] 发布: 2013/06/07 15:12:56
Newswire (press release) Borates are not toxic at the levels found in futons. Borates are classified as having "low acute toxicity" – which means they are about as toxic as table salt .. Parents are particularly happy to buy a futon for their child. Mothers and fathers buy a ... and more »
已读[247] 发布: 2013/06/06 16:58:05
The Australian Commonwealth Bank analysts also suspect its Canadian iron ore business could go ($US2bn), as could the US borates business ($US1bn), the West Australian salt operation ($200m), Rio's share of the Grasberg gold/copper mine in Indonesia ($US5bn), ... and more »
已读[342] 发布: 2013/06/03 06:25:11
中广网河南分网信阳消息 据信阳网报道: 9月22日上午,河南大学博士生导师张普玉教授应信阳师院化学化工学院邀请,在教四阶梯教室作了一场题为“茂金属/氟硼化合物...
已读[323] 发布: 2013/06/03 06:25:08
会不会是他们用了硼化合物?但是也会出现紫色,这两种颜色在一起使我想到了CCD故障 neverlan 回复ThatAdelaideGuy If this is a race, only a fool will focus...
« 上一页  |   查看结果31-40共61   |  下一页 »

新闻标签:

没有标签


最新报告


求职招聘