查询词典 hydrometric

From its application, rotation times of streamlined weight become lower, failures of current meters also decrease, thus greatly improving life time of hydrometric cableway.

从使用情况看，铅鱼的旋转频率降低了，流速仪的损坏减少了，从而有效提高缆道的使用寿命。

Datong Hydrometric Station and Sediment Monitoring Profile are located in the landward limit of the Yangtze Estuary.

大通水文站和泥沙观测断面位于长江河口的上边界。

The hydrometric pendulum is sometimes used to determine flow velocities in open channels.

测流速的摆锤有时用于确定明渠中的流速。

Astersizer 2000 was a new analyzer that has been imported in hydrometric trade of Yellow River to test sediment grain size .

S2000激光粒度分析仪，是目前黄河水文行业中引进的新一代测试泥沙粒径的分析仪器。

It is proved that the conclusion is credible in theory by contrasting the experiment results from the hydrometric stations of Shashi and Linli.

最后通过与长江委水文局在沙市及监利两水文站试验结果对比，证明本文理论上的分析是可信的。

Based on an introduction of the history of Liuzhou hydrometric station ,the author presented the hydrologic work experience,the development of technological equipment and the achievements it made during the three periods,i.

介绍了柳州水文站的历史沿革，论述了该站在建国前，建国后和改革开放后三个时期的水文业务工作经历、科技装备的发展及取得的成绩。

Testing and Inspection Center for Products QualitySupervision of Hydrometric and Geotechnical Instrument, theMinistry of Water Resources, Nanjing 210012, China

水利部水文仪器及岩土工程仪器质量监督检验测试中心，江苏南京 210012

Testing and Inspection Center for Products Quality Supervision of Hydrometric and Geotechnical Instrument, the Ministry of Water Resources, Nanjing 210012, China

水利部水文仪器及岩土工程仪器质量监督检验测试中心，江苏南京 210012

This article describes a new method to measure and calculate main cable vertical degree of hydrometric cableway station,and some real application examples are given,hoping that the method would play a certain role in hydrometric cableway use and maintenance for hydrological employees.

根据工作实践，以几何学的原理介绍一种实用的水文缆道站缆道主索垂度的测量和计算方法，并以实例予以说明，以期为基层水文职工维护使用水文缆道起一定作用。

Based on the detailed water quality monitoring data of about 317 hydrometric stations from 1960 to 2000 and water quantity data of 20 hydrometric stations between 1919 and 2000 included in the Hydrological Yearbooks, which were all published by Yellow River Conservancy Commission, and socio-economic data related to the Yellow River, the characteristics of water quantity, major ion chemistry, organic contamination and their mechanisms, and integrated watershed management issues of the Yellow River have been systematically studied in this work.

本文在全面分析黄河流域300余水文站过去40年（1960—2000）水质资料和干支流20余水文站过去近50年（1950—2000）径流量资料的基础上，研究了：（1）、黄河水量的基本特征和近40年来的变化，重点讨论了黄河下游&断流&现象的发展及原因：（2）、黄河天然水质的基本特征、区域分布和影响因素；（3）、黄河天然水质40年来的变化趋势及原因；（4）、黄河水系氮污染和有机污染的特征、近40年来的发展，及其与社会经济发展的关系；（5）、黄河下游水质变化与水量变化的关系；以及，（6）、黄河水质水量管理中的制度安排问题。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。