论文部分内容阅读
国家地表水采测分离全面启动1631个断面已开展,占比88％/赛莱默(南京)有限公司检测中心获中国合格评定国家认可委员会认可成为首家获得认可的跨国泵企/大禹节水集团成为国际灌排委员会首家中国企业成员
【出 处】
：
中国水利
【发表日期】
：
2017年20期
其他文献
山东省茌平县韩屯乡,盐碱地占耕地面积的78.4%。土壤含盐量为0.33%。1983～1985年试验表明,地膜棉的亩产量在75公斤
Hanping County, Chiping County, Shandong Province, sa
The normalized supercoherent state of the orthosymplectic(OSP)(2,1) superalgebra is constructed and its properties are discussed in detail. The new inhomogeneou
期刊
结合我国实际,综合考虑水库大坝自身安全以及潜在的溃坝后果,研究提出了一套相对简单和快速的水库大坝风险等级评估方法,包括风险指数快速评估方法、风险评分方法、定量风险
By using AKNS [Phys. Rev. Lett. 31 (1973) 125] system and introducing the wave function, a family of interesting exact solutions of the sine-Gordon equation are
期刊
We investigate a multi-player and multi-choice quantum game. We start from a two-player and two-choice game,and the result is better than its classical version.
期刊
The analytic cosmological solutions of Einsteins field equations for a type of static metric representing plane, spherical and hyperbolic symmetric spaces are p
期刊
The discrete Boltzmann models are used to study the spectral problems related to the one-dimensional plane wave propaogation in monatomic gases which are fundam
期刊
We propose a scheme for testing the symmetrization postulate (SP) for phonons in an ion trap, In the scheme a two-level ion is trapped in a harmonic potential a
期刊
小麦是我省主产粮食之一,收储量大。小麦入库期间,气温较高,麦蛾繁殖发育旺盛,是入库初期的重要害虫。目前防治麦蛾的方法较多,如曝晒入仓、药剂粮面处理、防虫磷拌合药剂薰