多元合金蛋圆体高效磨球的开发与应用

来源 :山东建材 | 被引量 : 0次 | 上传用户:zjqhdh
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
1多元合金蛋圆体高效磨球开发的基础和现状磨球是广泛用于火力发电、冶金选矿、水泥等行业管磨机必需的研磨介质,全年需求量在60万吨以上.
其他文献
The reactions of arylamine with ethyl acetoacetate catalyzed by a solid support are accelerated by microwave irradiation to result in a rapid and clean producti
以一条新型干法水泥生产线大修为例,从检修管理的原则、检修计划与准备、检修组织与协调、检修验收与考核、检修安全管理、大修实施与效果六个方面对检修管理全过程进行了介
Microwave-assisted allylic oxidation at C-13 position of 14-deoxysinenxan A wasdescribed. This new method (150℃/10 mir/5 bar on microwave synthesizer) led to a
石榴一般用压条和分株繁殖,根系不发达,移栽后缓苗慢,结果迟。而雨季应用嫩枝扦插繁殖,繁殖速度决,成活率高,长势健壮。
由于混凝土技术发展的不平衡性,世界不同国家及学者对高性能混凝土的认识也不尽一致;而高性能混凝土及大掺量粉煤灰混凝土已成为当今世界混凝土发展的两大主题,同时衍生出的
A facile synthetic route to two seco-eudesmane, 4, 5-dioxo-10-epi-4, 5-seco-γeudesmane (1) and 4, 5-dioxo-10-epi-4, 5-seco-γ-eudesmol (2) from (+)-dihydrocarv
近年来,村级集体经济取得了一定的成效。但从总体看,村级集体经济力量薄弱,发展集体经济仍有较多障碍。主要表现有“四难”。
The first total synthesis of 3-oxo-11, 12, 13-trihydroxyeudesm-4-ene, a highly oxygenated natural eudesmane, was described.
β-Keto-δ-valerolactones, which were obtained by reaction of acetoacetate with aldehydes or ketones, reacted with carbon disulfide, alkyl halides and a new con
4-Amino-5-(pyridin-3-yl)-4H-1,2,4-triazole-3-thiol 1 were condensed with 2-bromo-1-(substituted phenyl)ethanone to give pyridinyltriazolothiadiazines 2a~c, which