论文部分内容阅读
空气中苯、甲苯、二甲苯等十项毒物同时测定
【机 构】
:
深圳市卫生防疫站
【出 处】
:
中国职业医学
【发表日期】
:
2001年2期
其他文献
Easy accessibility and light content filtering attempt have made microblogging sites the most popular platforms for users to share their experiences and express
The alternating movement of comber nipper balance shaft causes comber vibration, which is considered as the primary limitation for its velocity. First, optimal
期刊
Identification of nonlinear systems with unknown piecewise time-varying delay is concerned in this paper.Multiple auto regressive exogenous(ARX) models are iden
介绍了基于TCP/IP协议的激光测距仪的数据读取方法,该方法相对传统的串口数据传输有很多优点。同时介绍了Labview开发平台,并用该平台对基于TCP/IP协议的激光测距仪的数据读
Fabric-skin adhesion was objectively described by the indices of the maximum adhesion force Fmax , the maximum separation distance Lmax ,and adhesion work W as
高宝的目的是要扩大其非常广泛的胶印和其它传统印刷机产品的业务范围,以便涵盖潜力巨大的数字印刷技术。这一行动遵守的是3月1日与基地在芝加哥的世界上最大的印刷集团RR Don
氟是人体必需的微量元素之一,摄入或吸入过量或不足,均能影响人体健康。机体内尿氟水平的高低是直接反映机体从外环境摄入氟含量多少的客观指标,人体长期摄入或吸入过量的氟可引
A novel image blind watermarking scheme based on Contourlet transform was proposed to embed color watermark image into color host image,which was different from
期刊
Effect of sludge retention time( SRT) on the removal of potential and polysaccharides in an anaerobic / anoxic / aerobic( AAO) process was investigated. The Low
期刊
Due to bad working conditions and complicated structure,kinds of complicated cycle loads work on turbine disc, and it’s difficult to determine the stress distr