查询词典 hydrometry

Of or relating to thermal hydrometry.

属于或关于温差比重计的。

Of or relating to hydrometry.

属于或关于液体比重测定法的。

A brief review was made on the development of Guangxi over the past 100 years in four aspects of hydrometry,hydrologic regime forecasting,water environment monitoring and hydrologic scientific research .

简要回顾了100多年来广西水文科技在水文测验、水文情报预报、水环境监测及水文科研等4个方面的发展及水文现代化建设进展。

After analyzed the result of experimentation, I found out the mathematics model between the speed of liquid and the variable of resistance.according to the minus- resistance characteristic, I brought forward a new way of hydrometry, found corresponding mathematics model of hydrometry, designed a metrical system and brought forward some advice of about this system, found some significative conclusion.

分析实验数据，验证了液体流速与其电阻变化量之间的数学模型。依据负阻特性，提出了一种新的流量测量方法，建立了相应的流量测量数学模型，并设计了一套对应的测量系统，提出了该系统的设计要点，得到了一些有意义的结论。

So a kind of two-grade dust catcher system with higher efficiency, convenience and mechatronic is studied. The designed dimension of the first- grade cyclone separator is optimized by using MATLAB optimization toolbox. New designed cyclone separator has lower resistance loss, higher efficiency, compact structure and less volume; The mathematical model of hydrometry is b...

在其一级旋风除尘器的尺寸设计中采用MATLAB的优化工具箱进行优化，经过试验证明，新设计的旋风除尘器为低阻高效除尘器，并且结构紧凑体积小；在二级文氏管除尘器中，根据其节流特性，结合流体力学原理，建立起流量检测的数学模型，据此引入与之配合的传感器和单片机系统，实现了流量的动态显示，为除尘设备机电仪一体化的研究奠定了基础。

Acoustic Doppler Current Profilers is a new kind of flow measuring device widely used in hydrometry. It uses the principle of Acoustic Doppler instruments to measure flow velocity profile. A short time flow measurement, high resolution, good accuracy, integrity data and great information are the characters of ADCP.

多普勒测流仪是当前在水文行业推广的一种新型测流仪器，该仪器利用声学多普勒原理，测量水流速度剖面，具有测验时间短、分辨率高、精度好、资料完整、信息量大等优点。

Hydrometry ; sediment measurement ; river course survey ; river closure ; planning ; design ; the Three Gorges Project ; the Yangtze River

水文测验；泥沙测验；河道测量；规划；设计；截流；三峡水利枢纽；长江

We shall utilize comprehensively the theories and practices of hydrometry, ecology, environmental science and systematic engineering to divide the upper reaches of Li River into five sub-systems such as headwater forests, riverbed, changing volume in wet and/or dry seasons, faculties for retaining water and controlling flood, and the bearing capacity of the water resources so as to construct a systemic analysis framework for the research of this area.

综合运用水文学、生态学、环境科学、系统工程学等理论和方法，将漓江上游流域划分出水源林、河床、丰枯期水量变化、蓄水减洪设施、水资源承载力五个子系统，构建起漓江上游水资源的系统分析框架。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。