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Chemical composition, hydroxyl radical (•OH) photoformation rate (ROH) and primary generation sources of •OH in water-extract of aerosol (WEA) and aqueous solution of water-soluble gases ...
随着高分子材料在国民生活中的广泛应用,它的阻燃问题备受人们关注。近几年,无卤阻燃技术成为阻燃研究的重点和方向。无卤阻燃技术通常是填充Mg(OH)2于高分子材料中。但Mg(OH)2阻燃效率低,填充量达到60wt%左右才具有优异的阻燃性来提高Mg(OH)2的阻燃效率,降低其填充量,挽救复合材料的力学性能。硅化合物是Mg(OH)2的一种较好的阻燃增效剂,有人认为,硅化合物能够改善Mg(OH)2的分散,加...
Insight into the unique structure of layered double hydroxides (LDHs) has been obtained using a combination of X-ray diffraction and thermal analysis. Indium containing hydrotalcites of formula Mg4In2...
进行了高pH(8.96~9.34)海水的无机碳酸盐沉积实验, 测定了沉积碳酸盐的硼同位素分馏. 结果表明, 碳酸盐和海水B(OH)3间的硼同位素分馏系数(αcarb-3)变化范围是0.937~0.965, 平均值为0.953. 这些结果与Sanyal等报道的结果都表明碳酸盐与溶液B(OH)3间的硼同位素分馏系数αcarb-3 不是恒定的, 而是与溶液pH呈现负相关关系. 测定的碳酸盐沉积的硼同位素...
名义上无水矿物(NAMs)的结构水研究是认识超高压变质作用(UHPM)过程中流体活动规律的重要手段,并对板块汇聚边缘大陆动力学及水的深部地球循环有重要意义。本文采用傅立叶变换红外光谱(非偏振光)研究了中国大陆科学钻探(CCSD)主孔岩心及其周围地表榴辉岩中副矿物—金红石中的结构水。所有测试样品都在3285 cm~(-1)和3295 cm~(-1)附近产生尖锐的吸收峰,证实“水”以结构羟基(OH~-...
Abstract: A new occurrence of destinezite (diadochite), ideally Fe2(PO4)(SO4)(OH)·6H2O, is described from Alum Cave Bluff, Great Smoky Mountains National Park, Tennessee, where it occurs in soil and i...
Ab initio quantum mechanical calculations were performed on Al(OH) , Al(OH) , NaAl(OH)and related species with varying numbers of explicit water molecules to elucidate the structural,spectral and ener...
The crystal structure of a potassic richterite, K(KCa)Mg Si O (OH) synthesized at 15 GPa and 1400 ?C, was refined from single-crystal X-ray diffraction data. The unit-cell parameters are: a = 10.192...
Thesilicon-freeendmemberofthehydrogrossularsolidsolutionseries,katoite Al [(OH) ] ,wassynthesizedinasolid-media,piston-cylinderapparatus.TheenthalpyCa offormationfromthecomponentoxideswasmeasuredbyh...
Amphibolesweresynthesizedalongthejoinstremolite¤C?uorotremolite,richterite¤C?u rorichteriteandpotassic-richterite¤Cpotassic-?uororichteriteat75Cand1kbar P(H O). 2 Infraredspectraoftheamphiboleswere...
A hydrous zinc- and sodium-rich hydroxy-chlorosulfate, discovered in a sulfide sample collected by the Deep Sea Recovery Vehicle (DSRV) Alvin in 1984, is identified as gor-daite, Zn4Na(OH)6SO4Cl·6H2O,...
New values are reported for the Gibbs energies of formation from the elements for hydrocerussite Pb(OH)2·(PbCO3)2 and hydrozincite [Zn(OH)2]3·(ZnCO3)2. These D values 0 G f were obtained from electroc...
Rossmanite is a new tourmaline species from near Rozˇna´, western Moravia, Czech Republic. It forms pale pink columnar crystals about 25 mm long and 5 mm thick, elon-gated along c with striation...
Abstract: The Crystal Packer module in the Cerius2 modeling environment has been used to study the structure of montmorillonite intercalated with Al(OH)3-fragment (gibbsite-like) polymers. Basal spaci...
Abstract: The structure of montmorillonite intercalated with [Al13O4(OH)24+x(H2O)12−x](7−x)+ cations ( A l 13 (7−x)+ for short), where x = 0, 2 and 4, has been studied using the Ceri...

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