该系统主要作用是针对低流速环境中的流速测定。
This system focused on the anemometry at low velocity range.
通过用参比方法对连续监测系统流速测定值进行校准,求出该监测断面的速度场系数。
This can be resolved through calibrating the continuous monitoring system by reference method, and calculating the velocity field coefficient.
通过用参比方法对连续监测系统流速测定值进行校准,求出该监测断面的速度场系数。
The research of calibration of two sets of continuous monitoring systems shows that velocity field coefficient is basically constant. The value…
探头伸缩杆一端安有超声波传感器、流速测定仪、压力传感器和真空活塞水样采集器。
One end of a probe telescopic rod is provided with an ultrasonic sensor, a flow velocity determinator, a pressure sensor and a vacuum piston water sample collector.
观察两组每日症状评分,早、晚最大呼气峰流速测定(PEF),肺功能检查(FEV1)。
Symptom score and pulmonary function expressed as peak expiratory flow(PEF), peak expiratory flow rate (PEFR) and forced expiratory volume in one second (FEV1) were recorded.
目的探讨不同彩色多普勒超声诊断仪对流速测定的可能影响,以及不同仪器测定流速与实际流速的差异和相关性。
Objective To evaluate the probable effects of different instrumentation in velocity measurements and the correlations between the actual flow velocities and the Doppler flow velocity.
介绍了一种应用广泛操作简单的测定流体流速的简易仪器,并应用有关流体力学知识加以理论推导与论证。
This paper introduces a useful operational and simple instrument to measure fluid velocity and its principle has been demonstrated by virtue of fluidmatics.
比较注射前后小动脉、小静脉及毛细血管内径的变化,测定红细胞与两种造影剂在微循环内的流速。
The diameter of the arterioles, venules and capillaries before and after injection were compared. The velocity of the red blood cells and the contrast agents were measured.
传统的点稀释法由于垂向流的干扰无法测定渗透流速。
Traditional dilution theory cannot measure the velocity precisely of seepage flow for the interference of vertical flow in the multi-aquifers.
方法:运用彩色多普勒流速剖面图技术对34例(44条)下肢静脉倒流性疾病患者进行检测,测定流量并与双向彩超、静脉造影相比较。
Methods:Venous reflux was examined using CDVP in 44 limbs in 34 patients. Reflux volume was also measured and compared with Color Duplex ultrasound and venography.
结论:在普通人群中,卒中风险随经颅多谱勒测定的大脑中动脉血流速度增高而明显增高。
Conclusions - Risk of stroke increased strongly with increasing middle cerebral artery flow velocity as measured with transcranial Doppler in the general population.
结论:作为测定冠状动脉血流速度的一种替代方法,TIMI计帧法能够有效评价不同冠状动脉疾病状态下的冠状动脉血流储备。
Conclusion: as a surrogate method for measuring coronary flow velocity, TIMI frame count can be used to assess coronary flow reserve effectively in different coronary artery diseases.
该仪器可测定单一血管血流速度、血管直径和搏动幅度。
The LDMV was used to measure steady blood flow velocity, diameter of vessels and pulsation flow.
这些病人再进行诱导痰细胞学分析、肺功能峰流速变异率观察测定、支气管激发试验测定等,进行规范的程序诊断。
The patients took induced sputum cell analysis test, and lung function test for peak exhale flow variation rate, challenging bronchial test, and standard diagnosis and a procedure diagnosis.
目的通过对240例毛细支气管炎患儿的潮气流速容量曲线的测定,以探讨毛细支气管炎患儿气道阻力的变化规律。
Objective To explore the variational rule on trachea resistance of infants with bronchiolitis by detecting tidal breathing flow volume curves of 240 cases of infants with bronchiolitis.
为了测定裂隙岩体渗流的动态变化过程,本文自行设计了一种便携式、超小型的低流速自动测定装置。
To monitor the movement process of fissured water, self-designed a portable and microminiature device for auto - measuring the low flow rate.
主要观察指标:测定创伤后相应时间点大鼠脑组织局部脑皮质血流速度。
MAIN OUTCOME MEASURES: It was to determine the blood flow rates in local cerebral cortex at corresponding time spots after traumatic injury.
库区内的优势藻类爆发生长是否存在临界流速,以及临界流速怎样测定,已经成为一个亟待解决的问题。
If there is a critical velocity of flow which make the algae growth rapidly in Three Gorges Reservoir and tributaries and how to certain it are the urgent problems which should be solved.
该方法能够描绘出反应器内各点的水流速度以及涡流函数分布,且模拟结果与试验测定结果吻合得较好。
This method can describe the water flow velocity and vortex function distribution on all points of the reactor, with the simulation result in good coincidence with field test data.
通过气液在塔内的逆向流动,测定了液固传质系数和催化剂包内流速。
The liquid-solid mass transfer coefficients and liquid flow-rate within the catalyst capsule have been measured in a countercurrent flow column by this study.
目的:评价计帧法测定冠状动脉血流速度在急性心肌梗死(ami)再灌注治疗中的临床意义。
Objective: To assess the clinical significance of coronary flow velocity assessing by the method of frame counting in reperfusion therapy of acute myocardial infarction (AMI).
目的:评价计帧法测定冠状动脉血流速度在急性心肌梗死(AMI)再灌注治疗中的临床意义。
Purpose: To assess the clinical significance of coronary flow velocity assessing by the method of frame counting in reperfusion therapy of acute myocardial infarction(AMI).
通过内配碳球团的热风穿流干燥实验,研究了不同热风温度、流速、球团初始湿含量以及生球尺寸对干燥过程的影响规律,并对球团的爆裂温度进行测定。
The influence of different parameters on drying process is studied in hot air cross-flow experiment, which includes air temperature, air speed, initial moisture content and size of raw pellets.
目的探讨体外模拟心脏运动对多普勒血流流速曲线速度时间积分(VTI)测定的影响。
Objective To investigate the influence of simulated heart motion on the Doppler spectrum velocity - time integral (VTI) of simulated blood flow measurements through an in vitro model.
测定肠系膜毛细血管网交点数、管径、血液流速以观察其对微循环的影响;
Meanwhile we selected the intestinal mucosa to measure its nodal points of capillary network, the diameter of capillary and the blood's flow velocity.
方法:经颅多普勒超声测定血流速度,同步记录血压,改变血压,绘制脑血流自动调节曲线,并进行分类和确定自动调节的上、下限。
METHODS: The blood velocities and blood pressure was recorded simultaneously and the curves of CBFA were analyzed and classified into classical and non-classical pattern.
峰流速仪测定pef,并计算占预计值的百分比(PEF %)。
PET was monitored with peak flowmeter and the percentages of predicting value was calculated (PEF %).
本文通过测定73-1型烘茧灶内干燥介质的流速和温度,探明了分布情况。
Flow velocities and drying medium temperatures in 73-1 Cocoon drying Stove are measured and their distribution ascertained.
目的:评价计帧法测定冠状动脉血流速度在急性心肌梗死(ami)再灌注治疗中的临床意义。
Purpose: To assess the clinical significance of coronary flow velocity assessing by the method of frame counting in reperfusion therapy of acute myocardial infarction (AMI).
测量出水管断面水流压力和三维流速分布,分析常规方法测定断面水流能量误差较大的原因,提出利用五孔探针准确测定断面水流全压分布、积分平均计算断面单位能量的方法。
Pressure and 3-dimensional velocity distributions in the pipe section are measured. The causes of Lange measuring errors of section flow energy in the outlet pipe by conventional method are analyzed.
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