流量测定

The compound gear motor is a new execute component which colligates the advantages of the external and inner gear,uses in the transmission of planetary gear train.

复合齿轮马达是综合内、外齿轮马达优点并应用行星轮系传动的一种新的执行元件，通过理论研究分析并制造了样机，并拟制定一个实验方案来测定复合齿轮马达的流量、转速、扭矩等参数来验证复合齿轮马达的理论正确性，对复合齿轮马达的进一步改进和推广应用有重要的意义。

Sixty-four slice spiral CT was used for renal perfusion scan before and after patients underwent tumor arterial embolization. Perfusion characteristics, including blood flow, blood volume, and permeability of renal mass parenchyma and renal cortex in normal kidneys were calculated and the volume of normal kidneys was measured.

对21例肾细胞癌患者患侧肾动脉栓塞前6~10d和栓塞后25~28h分别进行64层螺旋CT肾脏灌注扫描，测定栓塞前后肿瘤实质和健侧肾脏皮质的灌注参数，包括血流量、血容量和渗透性。

Methods: Twenty ASA Ⅱ~Ⅲ patients aged 28~69 years were randomly divided into 2 groups:(1)3-mins group (n=10).(2)8 deep breathings group (8DB). Arterial blood samples were drawn with a fraction of inspired oxygen of 0.21for arterial blood gas analysis. Before induction of anesthesia, patients in 3 mills group were asked to breathe normally for 3 mins during which 100% oxygen at 10 L/min through an anesthesia mask attached to a circle system with soda lime was adopted, and adjustable pressure limiting valve was kept open.

20例气管插管患者随机分为吸氧去氮组（3MIN组）与60s深呼吸8次组（8DB组），入手术室后在呼吸空气情况下采集动脉血气标本测定血气分析，并记录SpO2值。3MIN组采用完全密闭面罩，氧流量10L，麻醉机活瓣旋开以15次／min频率自然呼吸3min.8DB组在相同条件下在60s内深呼吸8次。

Mathematical model for discharge coefficient of orifice - plate flow - meter is presented and tested on the basis of literature data.

化工生产过程中，常常用到孔板流量计或文丘里管以测定管路中的流体流量。

The theoretical plate of analytical column is related with the flow rate of mobile phase, the type of sample and the injection quantity.

本实验发现DNB-Leucine CSP分析柱理论塔板数的测定与流动相的流量、标定物的种类和进样量有一定的关系。

The testing results indicated that the return pressure of fuel injection pump was the main reason of increasing testing errors.

为提高测试结果的精确度，目前的测试系统中大都采用流量传感器对发动机油耗进行测定。

FRC was measured during spontaneous breathing and its values were obtained in triplicate with adequate time interval between each measurement to ensure re-equilibration to initial alveolar gas composition.

本文采用超声流量仪和六氟化硫(SF6)洗入/洗出技术，旨在测定无肺部病变的婴幼儿FRC值并观察肺炎婴幼儿FRC的变化特点。1 资料和方法1.1 一般资料 2 0

The parameters of CT perfusion include blood flow,blood volume,mean transit time and permeability surface.

测定病变的血流量、血容积、平均通过时间和表面渗透性。

The actual distribution of unload zone of coal seam ahead of working face can be shown by continuously testing the initial gas flow from coal seam during hole drilling, which can be used to forecast the outburst danger of coal roadway.

连续测定钻进过程中的初始瓦斯流量可以反映工作面前方卸压带的实际分布，从而准确地预测煤巷的突出危险性。

Methods The cognition and depression of eighty cases with PD were test by Mini-mental State Examination and Hamilton Depression Scale and were examined by BEAM and CBF (133Xe inhalation method).

80例帕金森病患者使用汉密尔顿抑郁量表测试患者抑郁状态，简易智能状态评分评价患者认知功能，检查BEAM和133Xe 吸入法测定脑血流量，并设正常对照组。

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。