Description:
Chemistry and related sciences.
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rust
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I have some steel I just bought for a project. I need this steel to develop a heavy coating of rust. It is ordinary cheap steel, not galvanized. A coil of wire about 16 or 17 gauge. I already washed it to get any oil off. Just getting it wet and letting it sit will take much too long. I need a way to speed up the reaction. I've thought of putting the... more »
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What USENET news server do you use?
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This is one of the newsgroups I really would like to continue to use, Unfortunately, my ISP, ATT.Yahoo, with domain name sbcglobal, has decided to terminate USENET service in about two weeks, I would like to know what news servers are used by participants of this group. How is the service? How much do they charge? Do they censor?... more »
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润滑油脂的基本性能
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润滑油是一种技术密集型产品，是复杂的碳氢化合物的混合物，而其 真正使用性能又是复杂的物理或化学变化过程的综合效应。润滑油的 基本性能包括一般理化性能、特殊理化性能和模拟台架试验。 １、一般理化性能 每一类润滑油脂都有其共同的一般理化性能，以表明该产品的内在质 量。对润滑油来说，这些一般理化性能如下：... more »
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Thermoelectricity Breakthrough
 
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Well worth reading. [link] Using optical spectroscopy, we investigated the electrodynamic properties of Nb:SrTiO_3/SrTiO_3 superlattices, where a largely enhanced Seebeck coefficient has been reported [Nature Mater. {6}, 129 (2007)]. We observed a threefold enhancement of the effective mass and the... more »
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Costs of Lithium Ion Compounds
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I have some questions about the costs and difficulty of making various lithium compounds needed for manufacturer of lithium ion batteries. The compound I have seen most commonly is lithium cobalt oxide. Does anyone have data on the relative contribution of costs of the lithium and cobalt and other ingredients/energy in preparing such oxides? How... more »
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BOOM!!!!
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[link] Top posters This month 44 Bill Penrose 40 dirk.bru...@gmail.com 28 salmon...@sbcglobal.net 22 dl...@cox.net 16 y.y.po...@gmail.com 14 mensana...@aol.com 14 j...@specsol.spam.sux.com 12 han...@quick.net 9 nos...@nospam.com 9 blornit...@charter.net... more »
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