【摘 要】
：
为了便于从事渠道水库等工程防渗的科技人员及时了解国内外防渗科技发展动向,本刊特开辟“国内外防渗文献专题索引”专栏,介绍国内外最新(中文1990年、外文1989年起)防渗文献
论文部分内容阅读
为了便于从事渠道水库等工程防渗的科技人员及时了解国内外防渗科技发展动向,本刊特开辟“国内外防渗文献专题索引”专栏,介绍国内外最新(中文1990年、外文1989年起)防渗文献.资料来源系从西北水科所科技文献题录数据库(包括国内现有中外文期刊、有关专业国际会议文献及馆藏科技资料)微机检索而得.需要查阅科技文献原本者可与该所情报室或本刊编辑部联系.
In order to facilitate the scientific and technological personnel engaged in anti-seepage of channel reservoirs and other projects to keep abreast of the development trend of anti-seepage technology both at home and abroad, we hereby open up a column entitled “Index of Anti-seepage Documents at Home and Abroad” to introduce the latest articles both at home and abroad (Chinese 1990, Foreign 1989 Year) impervious literature.Data source is from Northwest Institute of science and technology bibliographic database (including the existing domestic and foreign periodicals, the relevant professional international conference literature and collection of scientific and technological information) computer retrieval derived. Need to access the original scientific and technological documents Contact the intelligence office or our editorial office.
其他文献
根据作者在主持锚喷工作的实际体会,提出这一技术在发展中的技术、组织和管理诸方面的问题.
According to the actual experience of the author who presided over the wor
盐碱湿地水、旱复合种植技术属于生态农业技术领域。该技术对盐碱湿地进行资源环境调查测试，因地制宜兴修水利工程，根据土质结构、盐碱含量和pH值以及地下水位状态划分出水田和
Eight sporopollen zones have been dividedbased on the results of high-resolution sporopollen analysisof Core B10 in the southern Yellow Sea. Based on the resul
本刊讯(通讯员苏桂荣)7月13日,“2016年百名博士防城港行·博士讲坛”在防城港市拉开帷幕,9位“985”大学博士作专题讲座。讲坛上,北大、浙大、同济、华中科技、复旦、北师大
大桂山林场抓好资源培育这个最基本、最核心、最重要的主业。全场经营面积达106万亩,其中场内66万亩,场外40万亩,活立木总蓄积500万立方米。做好增量文章早谋划、早落实造林
近年来,随着煤矿采掘机械化水平的日益提高,矿井开采强度的不断加大,矿井粉尘的发生量也急剧增加.据徐州矿务局庞庄煤矿机掘工作面测定,粉尘浓度高达1000～5000毫克/米~3.严重
近年来,国际互联网络(Internet)和全球信息网(World Wide Web)以其无可比拟的优势,在市场营销中越来越被世界知名企业所看好,且纷纷抢搭这班特别快车,所有国际媒体都争相报
GaN-based multiple quantum well light-emitting diodes(LEDs) with conventional and superlattice barriers have been investigated numerically. Simulation results d
高职院校招生规模扩大,入学成绩降低,导致高等数学教学忽视学生了学生能力的培养。而注重能力培养是教育工作者的责任,注重能力培养应注重教学方法的改革,教学方法的改革应充
A new SOIself-balance(SB)super-junction(SJ)pLDMOS with a self-adaptive charge(SAC)layer and its physical model are presented. The SB is an effective way to real