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- Method of calculating critical water depth behind hydraulic jump of bail flow 戽流跃后临界水深计算方法的应用
- Application of Nomogram to Quickly Solve Critical Water Depth in a Trapezoidal Section Channel 用诺谟图快速求解梯形断面渠道的临界水深
- On Iteration Algorithms of Uniform Flow Depth and Critical Water Depth in Open Channels 几个常用断面明渠均匀流水深和临界水深的迭代算法
- Trapezoid Section Channel Critical Water Depth Approximation Calculation Formula 梯形断面渠道临界水深近似计算式
- Calculation of critical water depth and normal depth for canal of square-circular section 方圆断面渠道的临界水深和正常水深计算
- Keywords Potamogeton pectinatus L;critical water depth;light compensation depth; 蓖齿眼子菜;临界水深度;光补偿深度;
- critical water depth 临界水深
- The hydrologist figured the water depth along a wharf piling. 水文工作者在码头桩上用数字标明水深。
- Critical water content of frost heaving. 土壤开始产生冻胀时的临界含水率。
- A weight on the end of a line, used to determine water depth. 铅锤系在一条线末端的重物,用来测定水的深度
- Prepare spud plate and wire-line to check water depth. 准备测探板和钢丝绳测量水深。
- The optimum aperture of an aerator is smallest at the water depth of 4 m. 一般水深在4 m左右;曝气器的最优孔径最小.
- The optimum water depth increases as the aperture of the aerator increases. 水深较小时,宜选用孔径较小的曝气器;
- Such as population de ity, street layouts, number of enterprises, water depth. 比如,人口密度,街道状况,企事业数量,水的深度。
- Such as population density,street layouts,number of enterprises, water depth. 比如,人口密度、街道状况、企业数目、水深。
- Constant minimum water depth: 21feet at mean low tide at the face of all docks. 稳定的最小的水深:21英尺在最低潮可面对所有的码头。
- At same time, the critical water level is proposed in accord with the trend of seepage flow of dam. 同时以大坝综合渗透率是否随时间增大为标准,提出了监控大坝渗流稳定的临界水位,对实际运行监控有一定意义。
- In addition, the significance of the disaster causal critical water table to preventing land subsidence disaster and exploiting groundwater resource reasonably is also analyzed. 分析了地面沉降成灾临界水位对预防地面沉降灾害发生及合理开采地下水资源的重要意义。
- The water soluble acrylic copolymer showed surficial activity and the CMC of the critical water -soluble acrylic copolymer was 0. 2%. 水溶性丙烯酸共聚物具有表面活性;临界水溶性丙烯酸共聚物的临界胶束浓度(CMC)值为0.;2%25(质量分数)。
- Phragmite australis is a kind of helophyte,the submergence and the ground water depth have effect on the growth. 芦苇是一种喜水性植物,地表淹水程度和地下水埋深对芦苇生长都有明显的影响。