流量
- 与 流量 相关的网络例句 [注:此内容来源于网络,仅供参考]
-
Therefore, the relation between dripper discharge and crop-root distribution is the basis for determining technique parameters of drip irrigation.
土壤湿润区与作物根系分布之间的关系是确定滴灌湿润比的理论依据,而土壤湿润区形状直接受滴头流量的控制,因此,滴头流量与作物根系分布之间的关系是确定滴灌技术参数的依据。
-
In the design of drip irrigation system, reasonable dripper discharge should be chosen and irrigation water should be supplied in order to make soil reach the designed moisture uniformity; the moisture uniformity of soil along the drip irrigation pipe should be controlled mainly.
文中提出了应用于工程设计中的滴头流量设计模式应满足的要求。在滴灌系统设计中,要使土壤达到设计的湿润均匀度就应选择合理的滴头流量,并设计出合理的灌水量,而且应主要控制沿滴灌管方向的土壤湿润均匀性。
-
In the design of drip irrigation system, the choice of dripper discharge affects the irrigating water quality and the costs of drip irrigation engineer, while the soil moisture uniformity for line source drip irrigation affects crops water use directly, and it is the foundation to design drip irrigation system.
滴灌系统设计中,滴头流量的选择关系到灌水质量和滴灌工程的造价问题;而线源滴灌土壤湿润均匀性问题影响到滴头流量的选择,并直接影响着作物对水分的利用,是滴灌系统设计的基础。
-
The results indicated that irrigation water supply and dripper discharge had extreme effects on the moisture uniformity in soil along the drip irrigation pipe direction for line source drip irrigation, the soil moisture uniformity would be raised with the increase of irrigation quantity and dripper discharge.
试验表明:线源滴灌下,灌水量、滴头流量、滴头间距对沿滴灌管方向的土壤湿润区均匀性影响最大,随着滴头流量或灌水量的增加以及滴头间距的减小,湿润均匀性提高。
-
In this paper,a numerical solution for radial journal bearings with liquid hydro-dynamic lubrication is analysed, numerical expressions for oil fiton pressure, bearing capacity , friction moment,and leakage at the bearing ends are derived,bearing capacity,flow rate, friction moment,and eccentric angle of the load under 14 different temperatures and 14 different load eccentricities are calculated.
采用数值法分析解算液体动压向心滑动轴承,推导了油膜压力、承载力、摩擦力矩和端泄流量等的数值表达形式,计算了14个不同温度点及14种不同偏心率下的承载力、流量、摩擦力矩、载荷偏位角,并通过AUTOCAD绘制了它们之间的影响曲线。认为偏心率及油温对承载力影响很大,设计时应加以限制。
-
Considering the electrovalence, the curve of water consumption and the reliability of water supply, this paper respectively sets up the model based on the maximal flux and the model based on the expectation flux. It takes yearly expenditure converting value and yearly cistern converting value as target function and takes continuity equation, velocity of flow and compression resistance of cast iron pipeline as restrictions and sets up the PGA model on optimal design of water supply networks.
考虑到峰谷电价、用水量变化曲线及用水可靠性因素的影响,分别建立了以最高时流量设计管网的模型和以期望时流量设计管网的模型,以年费用折算值加上清水池年造价折算值为目标函数,以连续性方程、管中流速和铸铁管耐压值等为约束条件,进行并行遗传算法对给水管网优化设计的实现。
-
Test and analysis show that, the distribution patterns of the tangent veloctiy fields in the big cone area and the small cone area, which are comprised of para-free vortex and para-forced vortex, are basically identical without a change of the radius of the boundary surface; with the increase of the angle of the small cone, the para-free vortex area decreases and the para-forced vortex area increases, and the emulsifiability of the fluid drips increases with the increase of velocity gradient; the tangent velocity increases with the increase of inlet flow, and the maximum tangent velocities of both the big cone area and the small cone area are 4.94 times of the inlet flow; and the maximum tangent velocity increases with the increase of the split ratio and with the radius of the boundary surface not changed.
试验分析表明,大锥段和小锥段切向速度分布规律基本相同,均由准自由涡和准强制涡构成,分界面半径rm没有变化;随着小锥角θ的增加,准自由涡区缩小,准强制涡区扩大,速度梯度增加会加大液滴的乳化程度;随入口流量增加,切向速度增大,经拟合得出大锥段和小锥段的最大切向速度均为入口流量的4.94倍;分流比加大,分界面半径基本不变,最大切向速度增加。
-
We had also performed numerical simulations to study energetic particle injection at L=3.5 to discuss the effect of different pulse parameters on particle injection.
我们也完成在 L=3.5 的电子流量模拟,讨论不同的脉冲参数对於粒子传输的影响和电磁脉冲传输粒子至该处的可能性,以了解是否此电磁脉冲模型可应用於了解磁暴时,在 L=3.5 处高能粒子流量增加的可能性。
-
From an economic point of view, a solvent having a small minimum solvent flow is a better entrainer and should result in a lower cost design than a solvent having a large minimum solvent flow.
从经济的角度看,最小溶剂流量较小的溶剂比最小溶剂流量较大的溶剂成本低廉,是优良共溶剂。
-
The discharge coefficient increases rapidly as the increase of the pressure ratio in the small blade entrance angle while change smoothly in the big blade entrance angle.
在较小几何进气角时,流量系数随压比增大而增大,在较大几何进气角时,流量系数随压比变化不大。
- 推荐网络例句
-
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。
-
A single payment file can be uploaded from an ERP system to effect all pan-China RMB payments and overseas payments in all currencies.
付款指令文件可从您的 ERP 系统上传到我们的电子银行系统来只是国内及对海外各种币种付款。