无定形粉末相关论文
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白磷和红磷是磷的两种单质,互为同素异形体。白磷是一种白色蜡状的固体,遇光会逐渐变黄,所以又叫黄磷,不溶于水但能溶于二硫化碳;红磷是......
本品为白色或近乎白色结晶性粉末,无臭,初无味,后有持久的苦味,不溶于水,微溶于乙醇。其醋酸盐性状同上。氢化可的松琥珀酸钠为白色或近......
1 前言 红磷(P_n)是磷原子聚合体组成的产物,是黄磷在隔绝空气下加热转化而制得的紫红色无定形粉末。无毒无臭,着火点为240℃.具有......
1)性质.工业品砷酸铅是由正砷酸铅Pb3(AsO4)2和酸砷酸铅PbHAsO4所组成,其中95%以上是PbHAsO4,工业上习惯把酸式砷酸铅称为砷酸铅.纯品......
俄卡雷舍娃等新研制成的干蛋白浓缩物(C(?)K)是用肉类生产部门的副产品制取的。C(?)K可以供制备哺乳动物和鸡的各种细胞培养的优质......
聚乙烯基吡咯烷酮(简称PVP)分子量5000~700000,外观为白色至淡棕黄色易流动无定形粉末,可溶于水、胺、乙醇、硝基烷烃、含氯类溶剂......
Synthesis, Crystal Structure and Water-induced Reversible Crystal-to-amorphous Transformation Proper
A novel NiII complex [{Ni(IBG)(4,4'-bipy)(H2O)2}·3H2O]n 1 (H2IBG = isophthaloylbisglycine and 4,4'-bipy = 4......
The powders of pure Al, Fe, and Zr for preparing Al78Fe20Zr2 were subject to a high-energy planetary ball milling.The mi......
The absorbing properties of Fe73.5 Cu1Nb3Si13.5B9 amorphous powder/S-glass fiber-reinforced epoxy co
Fe73.5Cu1Nb3Si13.5B9 (or FeCuNbSiB) powder/ S-glass fiber-reinforced epoxy composite panels were prepared by mold pressi......
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1理化性能茶皂素是从茶籽饼粕中提取出的一种皂类,其基本结构由三萜皂甙、结构糖、结构酸组成。纯的茶皂素为乳白色或淡黄色固体无......
当今白光LED荧光粉专利主要是YAG、TAG铝酸盐和硅酸盐两大类。目前YAG发光亮度较高。但YAG、TAG都是无定形粉末。发光效率难以提高......
目的探讨注射用氨曲南以不同工艺制备的稳定性。方法以冷冻干燥法和直接混合法制备了注射用氨曲南;考察光、热对其稳定性的影响。......