论文部分内容阅读
Mechanism and practice of rock control in deep large span cut holes
【出 处】
：
矿业科学技术（英文版）
【发表日期】
：
2011年6期
其他文献
Let S be a Riemann surface that contains one puncture x.Let,ψ be the collection of simple closed geodesics on S,and let ψ denote the set of mapping classes on
In this paper the effect of temperature on the mechanoluminescence of Au doped phosphors of(Zn,Cd)S is described.It is found that the ML disappears beyond a par
Layered hydroxide metal acetate Co2(OH)3(CH3COO)·H2O with an interlayer spacing of 1.282 nm has been synthesized by a novel method which is employed in ethanol
Flat geotubes are widely used for coastal structures such as seawalls,breakwaters and sightseeing groins,etc..However,the understanding of the stable mechanism
Kinetics and Mechanism of Oxidation of 1,2-Butanediol or Mephenesin by Ditelluratocuprate(Ⅲ)in Alkal
The kinetics of the oxidation of 1,2-butanediol or mephenesin by ditelluratocuprate(Ⅲ)(DTC)was investigated spectrophotometrically at temperatures between 283.
O-Alkylation of oximes with N-vinylpyrrolidin-2-one or iV-methyl-N-vinylacetamide was efficiently initiated by a catalytic amount of cerium (IV) ammonium nitrat
Ethylene glycol aluminum was prepared efficiently and characterized by FT-IR and NMR. It exhibited higher catalytic activity and had profitable effect than tita
Synergistic effect between Sn and K promoters on supported platinum catalyst for isobutane dehydroge
Catalytic dehydrogenation of isobutane has recently received considerable attention because of the increasing demand for isobutene.In this study,the synergistic
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7
Characterization and performance of Cu/ZnO/Al2O3 catalysts prepared via decomposition of M(Cu,Zn)-am
Methanol synthesis from hydrogenation of CO2 is investigated over Cu/ZnO/Al2O3 catalysts prepared by decomposition of M(Cu,Zn)-ammonia complexes (DMAC) at vario