And if it is stronger, the heart rate will drop, so that the heart puts less effort into pumping the same amount of blood.
如果心脏更强壮了，心率就会下降，因此，在心脏向外输送与之前同等数量的血液时，它就不用再费那么大力气了。
The very gas we are busy pumping into the air at the rate of 30bn tonnes a year, mostly by burning fossil fuels.
就是我们主要通过燃烧矿物燃料，忙着以每年三百亿吨的速度排入空气的那种气体。
A predictive model of flow rate for pumping stations based on the neuron network theory and an optimal operation model of pumping stations based on the hereditary algorithm were proposed.
利用改进的神经元网络构建了泵站流量以及效率预测模型，并利用改进的遗传算法构建了泵站优化模型。
An excellent pumping admixture was made up by use of FDN compounded with calcium lignosulphonate, retarder for controlling slump loss and water retaining admixture for reducing water segregation rate.
FDN与木钙复合，以缓凝剂控制坍落度经时损失，以保水剂降低混凝土泌水率，配制出混凝土坍落度经时损失较小、性能优良的多元复合泵送剂。
The water flow velocity in the suction pipe, which is crucial for evaluating the performance on pumping fish, can be measured by the pumped water flow rate of the riser in an air lift pump system.
气力提升泵的水输送量反映了提升管进口的流速情况，而进口流速是衡量吸鱼效果的重要因素。
The two dimensional fluid Reynolds equations were established using the finite element method. The pressure distribution, opening force and upstream pumping rate of spiral groove were obtained.
用有限元数值计算的方法得出了一定条件下螺旋槽上游泵送机械密封端面间液体的压力分布、开启力及上游泵送量等。
Results show that the pumping rate dependence of the output intensity presents not only a threshold property, but also a saturation property, just like that of lasing modes in conventional lasers.
结果表明，与传统激光模式相似，随机激光模式的强度随抽运速率的变化不仅具有阈值特性，而且具有饱和特性。
Melt pumping characteristics, velocity and shear rate distribution profiles of the screw assemblies are analyzed and discussed.
分析并比较了组合螺杆的熔体输送特性、速度场和剪切速率场分布规律。
Equations based on hydrodynamics, thermodynamics, gasdynamics and the law of energy conservation are used to find the time required for self-priming and rate of air pumping.
根据流体力学、热力学、气体动力学方程和能量不变方程，求得了自吸时间和抽气速率公式。
The focus is given to the influence of pumping power, cavity length, the output coupler transmission and initial transmission on the repetition rate, pulse width and output power of laser output.
着重研究了抽运功率、腔长、输出镜透过率以及初始透过率等因素对激光输出脉冲序列的重复率、脉冲宽度以及输出功率的影响。
Using power function to describe the production rate, pressure and translating them into laplace space, the early time testing data of the pumping well can be modified to the radio flow period.
利用幂函数描述产量与压力值，并通过拉氏变换进行校正，可将抽油井测压早期段数据校正到径向流段，从而大大缩短抽油井测压时间。
The adjusted network is used to test the GPR data of the Shanghai-Nanjing Railway. The results indicate that the model achieves a recognition rate of subgrade mud pumping defects above 90%.
应用调整好的神经网络模型对沪宁线检测数据进行测试，结果表明，该模型对路基翻浆冒泥病害的识别率达90%以上。
By using EH11 mode, we have numerically solved the rate equations of a three-level pumping scheme for a fiber laser.
通过采用EH11模式，我们对光纤激光器的三能级抽运速率方程进行了数值求解。
In the light of the low reliability and high failure rate of beam pumping units, a system reliability synthetic appraisal and distribution method considering predicted failure rate is introduced.
针对游梁式抽油机整机可靠性差、故障率高，必须进行系统可靠性设计的现状，提出一种考虑预计失效率的系统可靠性综合评分分配法。
The spot test of the control system showed that up to 30% of the energy-saving rate was achieved under the guaranteed oil output and the intelligent control of the oil pumping was realized.
该控制系统在油田中的实验结果表明，在保证了采油量的前提下，节电率达30%以上，实现了抽油机采油的智能控制。
Instead of casually window shopping, walk briskly, pumping your arms at a 90-degree Angle to get your heart rate up.
不是随意浏览橱窗，而是轻快地走，抬高胳膊使之成90度角以提高心率。
The functions of the pumping rate and the back pressure are presented.
导出了吸入过程和排出过程的流量、压力方程。
The functions of the pumping rate and the back pressure are presented.
导出了吸入过程和排出过程的流量、压力方程。
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