结果妊高征胎儿脐动脉血流阻力指标不同程度增高；
Results The index of the PIH fetal umbilical arterial bloodstream's asistance increases more or less.
目的：探讨自然分娩与剖宫产新生儿脑动脉阻力指标的差别。
Objective: To study the cerebral artery blood flow indices in newborns by natural and Cesarean section delivery.
综合传热系数和系统内气体流动阻力损失是评价换热器性能的重要指标。
Complex heat transfer coefficient and resistance loss of the moving gas inside system are important parameters to evaluate the characteristics of heat exchanger.
从应用角度看，评价散热器散热性能的主要技术指标有散热性能、散热器空气阻力以及水流阻力，分别简称为散热量、风阻及水阻。
From the using point of view, the main technical performance to appraise the heat transfer performance of automobile radiator includes heat transfer performance, air resistance and water resistance.
结果表明，喉部的内置设备对于其流动均匀性和阻力都会带来很大的影响，合理的设计方案有利于改善这两方面的指标。
The result shows: Inter equipment in throat will lead to tremendous impact on the flow uniformity and resistance, Suitable design project will help to improve the above two indicators.
据此可反映出颈内动脉颅内段和椎动脉的血管流量以及静脉回流阻力等定量指标。
And then, it can reflect the blood vessel flux of internal carotid plexus, intracranial sector and vertebral, the quantification target of vein backflow drag.
托辊是带式输送机的核心部件，其转动阻力参数是反映托辊工作性能的重要指标。
The support rollers are core parts of the belt conveyor. Its turn resistance parameters are important index of which reflect work function of the support rollers.
目的PTT是一项反映周围血管阻力和胸腔内压变化的无创指标，因此和微觉醒相关的血压改变可通过PTT检测。
Objective Pulse transit time (PTT) is a non-invasive index which reflects changes in peripheral vascular resistance and intra-thoracic pressure.
而转向半径、转向力矩和转向阻力矩的大小是衡量装载机转向性能的重要性能指标。
They are important data to judge steering function of loader such as steering radius, force moment of resistance and moment of steering.
对肺功能变化较敏感的血流动力学指标是心输出量、肺血管阻力、肺小动脉嵌顿压。
The cardiac output, pulmonary vascular resistance and PAWP were more sensitive to changes of pulmonary function.
其转动阻力参数是反映托辊工作性能的重要指标。
Its turn resistance parameters are important index of which reflect work function of the support rollers.
在药效学方面，应用GP-303血流动力学测定仪，我们选择了每搏量（SV）、平均动脉压（MAP）、心率（HR）和体循环阻力（TPR）作为药效学指标。
According to pharmacodynamics, the GP 303 instrument was used to detect the pharmacodynamics indexes such as SV, MAP, HR, and TPR.
结论：心脏病患者的CVHI指标变化特征主要表现为血流速度减慢、外周阻力升高和脑血管功能积分降低。
CONCLUSION: The main characteristics of CVHI indexes include less blood velocity, increased peripheral resistance and decreased integral scores of cerebral vascular function.
方法：在不同负压条件下对空气过滤器的过滤效率和阻力、舱内环境指标和使用者生理参数进行测试。
Method the filter efficiency, pressure, capabilities of inner environment and physiological parameters of the user were tested in different negative pressure conditions.
本文通过城市电瓶轿车的阻力平衡和功率平衡方程序，以及事先设定的城市电瓶轿车性能指标和轿车本身的基本参数，得出了驱动电机的参数。
Through resistance equilibrium and balanced equation of the power, and the performance of City Battery Car, the parameter of the drive motor has been obtained.
通过三因素正交试验找出了影响行进阻力的主次因素和最大评价指标的参数组合。
The major factor and best parameter combination were revealed by a triple factors orthogonal test.
高综合传热系数和低阻力系数是换热器的重要经济技术指标。
The concept of complex thermal conductivity coefficient and its calculation methods are introduced.
高综合传热系数和低阻力系数是换热器的重要经济技术指标。
The concept of complex thermal conductivity coefficient and its calculation methods are introduced.
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