论文部分内容阅读
几个抽样标准在铁路工业产品检验中的应用
【出 处】
:
铁道标准化
【发表日期】
:
1989年3期
其他文献
Synthesis, Crystal Structure and Biological Activity of 4-Amino-2,4-dihydro-5-((3,5-dimethyl-1H-pyra
The target compound 1,2,4-triazole Schiff base containing pyrazole ring was synthesized by 4-amino-2,4-dihydro-5-((3,5-dimethyl- lH-pyrazol-1-yl)methyl)-3H-1,2,4-tr
Two lanthanide-oxo-cluster polymers were synthesized by hydrothermal reaction using Ln_2O_3 as initial lanthanide materials:[Ln_4(SO_4)_4(OH)_4(H_2O)_7]·_4
期刊
Crystal Structure and Theoretical Energy Gap of 2-(2-((4-(Pyridin-2-yl)pyrimidin-2-yl)disulfanyl)pyr
The crystal structure of 2-(2-((4-(pyridin-2-yl)pyrimidin-2-yl)disulfanyl)pyrimidin-4-yl)pyridinium hexafluorophosphate was obtained by X-ray single-crystal dif
Two Cu(Ⅱ) complexes of [Cu(2,6-DPC)(Hnta)(H2O)]·H2O(2,6-DPC = 2,6-pyridinedicarboxylic-carboxylate, Hnta = nicotinic acid) and [Cu2(2,4-D)4(Hnta)2](2,4-D
2000年是中国企业上网年,各个企业都正积极以各种方式接入互联网,顺应时代发展的需要。记者就企业上网方式的诸多问题采访了上海长信信息服务有限公司总经理顾菊林先生。 记
期刊
一条人类通向21世纪的“路”,正在加紧修建着,它不是由砂、石、泥土等构成,而是由“信息”构成,即信息高速公路。信息高速公路上运送的是人类的智慧结晶——由数字“0”和“1