【摘 要】
：
沙漠铁路战胜“５００年一遇洪水”材料取自《铁道时代》，１９９３年５月号陈樾荫（上海铁路局）选材、翻译、注释Ａｄｅｓｅｒｔｒａｉｌｒｏａｄｆｉｇｈｔｓ“ａ５００－ｙｅａｒｆｌｏｏｄ，”ａｎｄｗｉｎｓ（Ｆｒｏｍ“ＲａｉｌｗａｙＡｇｅ”，Ｍａｒｃｈ１９９３...
Desert Railway Overcomes “500-year Flood” Materials from “Ra
论文部分内容阅读
沙漠铁路战胜“５００年一遇洪水”材料取自《铁道时代》，１９９３年５月号陈樾荫（上海铁路局）选材、翻译、注释Ａｄｅｓｅｒｔｒａｉｌｒｏａｄｆｉｇｈｔｓ“ａ５００－ｙｅａｒｆｌｏｏｄ，”ａｎｄｗｉｎｓ（Ｆｒｏｍ“ＲａｉｌｗａｙＡｇｅ”，Ｍａｒｃｈ１９９３...
Desert Railway Overcomes “500-year Flood” Materials from “Railway Times”, May 1993 Chen Yinyin (Shanghai Railway Bureau) Materials, Translated and Notes, “a500-yearflood,” andwins (From “RailwayAge”, March1993. ..
其他文献
This work describes the development of a capillary electrophoresis(CE)method for the simultaneous separation of acetophenone(AP),2-hydroxyacetophenone(2-HAP),3-
A novel particle/metal-based monolithic catalysts dual-bed reactor with beds-interspace supplementary oxygen is constructed comprising of the upper-layer 5wt%Na
An approximate method has been established to calculate the depth of the potential acting on an electron in a molecule at the saddle point along a chemical bond
The quantitative adsorption behavior of a hyperdispersant onto nano-TiO2 particles has been characterized by using FTIR(Fourier transform infrared) spectroscopy
The use of non-equilibrium plasmas for the synthesis of heterogeneous catalysts is a field that has not been explored intensively.The main reasons for the recen
近年来,重油开发方面取得的技术进步提高了重油开发的可行性。重点对重油和沥青质原油应用喷嘴碟式离心机和传统脱水工艺技术进行了比较。重油的性质和组成决定了其具有许多
TiO_2 nanotubes(TiO_2-NTs) were synthesized by the hydrothermal method.Co and Mo active components were supported on a series of the as-prepared TiO_2-NTs sampl
一位散居10岁男孩,因咽喉疼痛、发热就医,经乡医治疗无明显效果,后经县级、市级、省级医院诊断治疗,均不能排除白喉,采集咽部灰白色假膜拭子进行细菌培养,结果发现大量棒状杆
一、现在完成时的构成:have/ has+动词的过去分词动词过去分词的构成和动词过去式的构成一样,也分为规则和不规则两种。规则动词过去分词的变化方式与规则动词的过去式变化方
清朝画家盛大士在《溪溪卧游录》中曾说:“凡人多熟一份世故,即多却一份机智,多却一份机智,即少一份高雅。”“山中何所有?岭上多白云,只可自怡悦,不堪持赠君。”想来这便是