【摘 要】
：
石家庄市电镀厂镀铬槽旁侧抽风效果评价许月霞（石家庄市职业病防治所）报道：为防止铬酸雾的危害，１４家电镀厂安装了镀铬槽旁侧抽风罩。我所对三家镀铬厂通过现场观测、采样、分析，进行
论文部分内容阅读
石家庄市电镀厂镀铬槽旁侧抽风效果评价许月霞（石家庄市职业病防治所）报道：为防止铬酸雾的危害，１４家电镀厂安装了镀铬槽旁侧抽风罩。我所对三家镀铬厂通过现场观测、采样、分析，进行了劳动卫生学调查和评价。调查内容：电镀厂镀铬槽旁侧抽风罩的设计形式、罩口风速...
Xuzhou Xia (Shijiazhuang Occupational Disease Prevention and Control) reports: In order to prevent the harm of chromic acid mist, 14 electroplating factory installed chimney side ventilation hood. I conducted three on-site observation, sampling and analysis of the chrome plating factories to carry out labor hygiene survey and evaluation. Survey: electroplating chute side of the draft hood design, cover mouth wind speed ...
其他文献
著名音乐教育家、作曲家、中国音乐学院黎英海教授,半个多世纪以来努力奋斗和钻研,对中国民族音乐的繁荣和发展及中国音乐教育事业作出了显著贡献。然而在他的童年和青少年时
The focus of this paper is to explore a new application of screen-printing to fabricate textured ceramics with the acicular seeds.Acicular K2BiNb5O15 (KBIN) sin
许樟荣,男,主任医师。解放军306医院副院长、糖尿病中心主任。中华医学会北京分会内分泌学会委员、解放军内分泌学会副主任委员、北京糖尿病防治协会副理事长。欧洲糖尿病学
Lead-based piezoelectric ceramics represented by Pb(Zr,Ti)O3 (PZT) are being expelled from device materials due to the toxicity of Pb with respect to the global
A crystal chemical study has allowed isolating a new solid solution of the type Ba0.8Sr0.2Ti1-5x/4NbxO3.The aim of the present work is to investigate performing
Lead-free ferroelectric Ba0.955Ca0.045Zr0.17Ti0.83O3 (abbreviated as BCZT) thin films were grown on Pt/Ti/SiO2/Si substrates by chemical solution deposition pro
Mn doped 0.948Na0.5Bi0.5TiO3-0.052BaTiO3 (NBBT94.8/5.2) lead-free single crystal with excellent piezoelectric and electromechanical coupling properties was succ
周恩来是深受中国人民衷心敬爱,并受日本各界朋友普遍尊敬的杰出领导人,是20世纪世界知名的伟人。南开求学和留学日本时期,是周恩来从15岁到22岁的青年时代,这正是他成长的关