All the phenomena show: water flow resistance is the important prerequisite to cause transpiration fluctuation, and the latter can be the result of stomatal oscillation.
这些现象说明，水流阻力是蒸腾波动产生的重要前提条件，而蒸腾波动则可能是气孔开合波动的直接结果。
The flow resistance of foam is affected by those parameters such as surfactant concentration, oil saturation, temperature, permeability, water and gas phase velocity, etc.
泡沫的流动阻力受泡沫剂浓度、温度、油饱和度、渗透率以及水相和气相达西流速的影响。
The heat transfer and flow resistance performance of corrugated tube heat exchanger were examined by oil, water, and steam.
采用油、水、水蒸气对波纹管换热器的传热和流动阻力性能进行了试验研究。
The engineering thermal calculation, the calculations of different operating conditions, of the resistance of water flow and vapor flow, and of the air leak amount were made.
完成了不锈钢螺纹管凝汽器的工程热力计算、变工况核算、冷却水流动阻力、蒸汽流动阻力和漏气量计算。
The keels, finlets, and corselet help direct the flow of water over the body surface in such as way as to reduce resistance (see the figure).
龙骨，小鳍和盔甲帮助引导水流流过身体表面，他们用这种方式来降低水的阻力（看图示）。
Use this solution to the premise of the hydraulic imbalance is: accurate calculation of water system resistance, heat or air-conditioned terminal flow should not change.
采用这种办法解决水力失调的前提是：水系统阻力计算准确、热力或空调末端流量不能发生变化。
The balance valve which is one of governing valves can conveniently change flow resistance of hot water, improve the regulating ability and keep the safety of heating system.
根据平衡阀的工作特点，使用它能合理地改变供暖系统的流动阻力，改善供暖系统的调节功能，保证了供暖系统工作的稳定性。
The flow resistance for water and air flowing through the mini-fin structure was less, while heat transfer coefficient was higher than in the sintered bronze porous structure.
与相近孔隙率的锡青铜烧结多孔结构相比，该微细板翅结构中的流动阻力大大减小，而对流换热能力却增强。
The hydraulic resistance of shallow water flow under the influence of rainfall has been investigated through the flume experiment with artificial rainfall.
通过实验室人工降雨水槽试验，研究了降雨影响下浅层水流的阻力规律。
Through theoretic analysis and flume experiments, the characteristic of water resistance through permeable frame groups under lower submerged flow is researched.
通过理论分析、水槽试验研究了低淹没流动下穿越框架群水流的阻力特性，为四面六边透水框架群护岸技术的推广应用提供依据。
Active water or light oil is sent downhole through hollow rod to reduce oil flow resistance, thus producing heavy oil from deep formation through screw pump.
利用空心杆向井筒内掺入活性水或稀油，降低油流阻力，实现应用螺杆泵开采深层稠油。
The muddy water resistance head increased with the augment of flow velocity or silt content.
浑水阻力损失随着流速和含沙量的增大而增大。
For mild channel, it is shown that dynamic term and resistance term deviations caused by the distortion influence model water flow movement more seriously than inertia term do.
分析表明，对于平原河道，动力项和阻力项偏离是主要的，惯性项的偏离对模型水流运动影响较小。
The stub tube fillers generated resistance of water flow. And the resistance increased with the increment of flow rate, the length of packed beds and the proportion of fillers.
短管填料对水流产生阻力，随水流速度、填料床的长度及填料投配率的增加而增大。
In addition, as flow balancing valve is adjusted by way of flow pressure, the water system will have some resistance.
另外由于流量平衡阀是靠压差方式调整流量的，将对水系统产生一定的阻力。
Based on the previous research results related, the relationships between sand-ridge resistance, total resistance, ice-period resistance and water flow intensity are established respectively.
在前人研究的基础上，分别建立了沙垅阻力、总阻力、冰期阻力与水流强度间的关系。
It shows that consumed energy for working of water flow against resistance tends to increase.
同时水流流速减小，阻力系数增大，这说明水流克服阻力做功所消耗的能量也增加。
From the view of flow control, the method of cavitation resistance of a pilot-operated water hydraulic valve was investigated.
从流场控制的角度，研究了先导式纯水溢流阀抑制汽蚀方法。
A governing valve is the instrument for changing flow resistance and heat transfer flux of hot water, controlling pressure and temperature of heating system.
在热水供暖系统中，调节阀是改变热媒流动阻力、传热量变化及控制系统的调节装置。调节阀的选型、使用涉及多方面知识。
The relations between water resistance and rate of flow in the double-layer hole medium are analyzed, and some inferential reasoning formulas of resistance and flux are gained.
针对双层孔隙介质的水阻与流量之间的关系展开分析，推导出一些水阻与流量的相关基本公式，可以对于双层孔隙介质，乃至多层孔隙介质的各区域流量分配进行比较合适的初步计算。
Theoretical model was described considering both flow-resistance and water column of filter and container, and analytical solution was gained under linear flow-resistance.
建立了同时考虑针的流阻和滤头及容器内水柱影响的渗流分析模型，并得到线性流阻下地基渗透系数与容器内压力的解析关系。
The main contents of this paper were the studying of air-water medium corrugated plate heat exchanger flow resistance characteristics according to the principle of primary surface heat transfer.
本论文的主要内容是研究基于一次表面换热原理的空气一水介质波纹板式换热器的流动与传热特性。
The main contents of this paper were the studying of air-water medium corrugated plate heat exchanger flow resistance characteristics according to the principle of primary surface heat transfer.
本论文的主要内容是研究基于一次表面换热原理的空气一水介质波纹板式换热器的流动与传热特性。
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