查询词典 precipitation

It puts forward to differentiate the coarse and fine sand and then measure the sediment yield of total precipitation erosion by using the combined method of drying and pycnometer in the light of the soil mixed with large quantity of coarser sand in the model tests.

针对模型土壤中夹杂着大量粒径较粗的泥沙颗粒的试验，提出进行泥沙粗细分层，然后采用烘干法和密度瓶法相结合的方法来测量次降雨侵蚀产沙量。

Precipitation of quartz and such sulfides as pyrite are the most direct reasons causing this kind of mineralization.

黄铁矿等硫化物和石英的沉淀是导致本类矿床成矿的最直接原因。

The precipitation rules of temper ed carbides of a novel quick-firer steel were systematically studied by means of OM,SEM,EDS and XRD analysis.

通过光学金相、扫描电镜及能谱和X射线分析研究了新型炮钢回火碳化物的析出规律，发现：当回火温度高于620℃时，除渗碳体外，还析出合金碳化物Mo2C，并在640℃达到峰值。

These appearances including V-style rabbet, advent of bounded weak echo region, stronger wind vertical shear and phenomenon of airflow convergence in radar precipitation echoes were all typical characteristics of strong convective weather echoes.

雷达回波上的"V"形槽口、有界弱回波的出现、较强的垂直风切变以及气流辐合现象，均为强对流天气回波的典型特征。

Keep product in 4℃, radiochemical purity at 1 d, 2 d, 3 d, 5 d, 7d, 2 w, 3 w, 4 w was detected by TCA precipitation.

将产物保存于4℃，于1，2，3，5，7天，2，3，4周时间点检测产物的放射性化学纯度，评价产物的体外稳定性。

Results show that there is little difference between water vapor content detected by ground-based GPS and that calculated from radiosonde data, and that the water vapor content fits well with the precipitation.

结果表明：GPS反演的水汽含量与探空计算得到的水汽数据具有较好的一致性，同时水汽含量值与地面降水吻合较好。

Other environmental factors , such as temperature and precipitation levels , may cause the characteristics of the interfacial layer to vary from region to region , and even across the width of the railhead in a given location .

其它环境因素，例如温度和降水量可能导致轮轨接触层的位置改变，在某些地点甚至可能在整个轨头区域变化。

Analysis of Precipitation Detection Ability of Hefei Radar Based on Rain Gauge Data.

基于地面雨量计资料的合肥CINRAD雷达降水探测能力分析。

The surface area of the water in rain gauge often change because of the shaking of the research vessel,so the precipitation measurement on the sea always has big error.

1引言降雨量是指从天空降落到地面上的雨水，未经蒸发、渗透、流失而在水面上积聚的水层深度，它是地球上水分循环的重要途径之一。

Using a neural network algorithm to establish a typhoon rainfall model and to seek the nonlinear relations between the relevant parameters and rainfall intensity is a rational approach. The rainfall data used in this study include rain gauge data and radar data, and is able to reflect the spatial distribution of the precipitation pattern.

雷达具有空间侦测能力，利用地面雨量计的雨量资料与雷达回波的资料，可以将空间中的降雨分布趋势表示出来；本研究当中所决定的台风降雨因子是根据过去相关研究文献所整理出来，而这些台风降雨因子是否能完全模拟台风降雨的机制，尚待观察。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐