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- Pulmonary flow indexes 肺动脉频谱参数
- Pathological pregnancy had no effect on the echo of lung, and diabetes had no effect on the flow indexes of intrapulmonary artery, either. 妊娠病理对胎肺回声无影响, 妊娠糖尿病对肺内动脉血液动力学指标无影响, 妊高征和羊水过多使肺内动脉搏动指数增大。
- Results The degree of pulmo nary stenosis is preperation to pulmonary flow velocity. ontrasting the pulmonary flow velocity before and after opera tion, the effect can be accessed. 结果肺动脉瓣狭窄程度与肺动脉内血流速度成正比例关系,对照手术前后肺动脉内血流速度,可估价手术效果。
- Methods:The 20 patients with rheumatic mitral stenosis receipted examination of doppler echocardiography.We measure transmitral pressure gradient,mitral valve orifice area and pulmonary flow pattern. 方法:20例风湿性二尖瓣狭窄患者,经多普勒超声心动图检查,测量了二尖瓣口压差、瓣口面积及肺动脉血流频谱参数。
- The melt flow index of the blends was increased when the content of PEEK was decreased and melt temperature was increased. 结果表明:共混物的熔体流动指数随PEEK含量的降低和熔体温度的升高而增加;
- The effect of screw rotation speed on the grafting level and melt flow index of the grafted product(POE-g-GMA) is investigated. 采用在熔融挤出过程中提高双螺杆挤出机螺杆转速的方法,研究了机械力引发甲基丙烯酸缩水甘油酯(GMA)熔融接枝弹性体POE的接枝反应。
- The melt flow indexes of 8 kinds of ABS resins were tested by means of melt flow rate instrument, and the rheological behaviors of the resins were studied by means of capillary rheometer. 摘要用熔体流动速率仪测定了8种ABS树脂的熔体质量流动速率,并用毛细管流变仪对8种ABS树脂流变性能进行了研究。
- Objective: To study the influence of cerebal arteries blood flow index in newborns of normal and asphyxia between natural delivery and cesarean section. 摘要目的:研究自然分娩与剖宫产对正常新生儿和窒息新生儿脑血流指数的影响。
- The melt flow indexes of 8 kinds of ABS resins were tested by means of melt flow rate instrument, and the rheological behaviore of the resins were studied by means of capillary rheometer. 用熔体流动速率仪测定了8种ABS树脂的熔体质量流动速率,并用毛细管流变仪对8种ABS树脂流变性能进行了研究。
- The rheological behavior of the polyolefin colour masterbatches was studied by dynamic stress rheometer, torque rheometer and melt flow index rheometer. 采用动态应力流变仪、转矩流变仪和熔体流动速率仪研究了聚烯烃色母粒熔体的流变特性。
- The results showed that soybean protein/viscose blended solution is a typical pseudoplastic fluid, and its non-Newtonian flow index drops as the soybean protein content increases. 结果表明,大豆蛋白/粘胶共混溶液为切力变稀型流体,随着大豆蛋白含量的升高非牛顿指数变小;
- the ratio of pulmonary flow to systemic blood flow(Qp/Qs). 肺循环血流量/体循环血流量(Qp/Qs)。
- Objective To examine the effect of cord around neck to the umbilical arterial blood flowing indexes,PI,RI and S/D,and point out the most appropriate time for transmitting oxygen. 目的检查胎儿脐带绕颈对脐动脉动力学指标:搏动指数(PI)、阻力指数(RI)、收缩期血流峰值/舒张期血流峰值(S/D)的影响,探讨脐带绕颈是引起胎儿宫内缺氧的主要原因,并指出给氧的最佳时机。
- Abstract: ObjectiveTo provide a new method for the predictive diagnosis of PIH through the detection of the PTA blood flowing indexes of the pregnant women. 摘 要: 目的通过对孕妇胫后动脉血流指数的检测,为妊高征预测性诊断提供一条新途径。
- The influences of die radius, load and temperature on the flow properties of FEP melt were investigated by using a melt flow indexer. 应用熔体流动速率仪考察了口模半径、载荷及温度对聚全氟乙丙烯(FEP)流动性能的影响。
- A free flow of water came from the pipe. 水从管道里通畅地流了出来。
- Cash Flow Index Predicting Financial Risk 现金流量指标预警财务风险
- The pulmonary flow study after pulsatile bidirectional Glenn shunt with radionuclide pulmonary perfusion imaging 核素肺灌注显像对搏动性双向Glenn术肺血流的评估
- Melt Flow Index For GSE Geomembranes GSE 土工膜的熔流指数
- Keywords rheumatic mitral stenosis;pulmonary flow pattern;doppler echocar diography; 风湿性二尖瓣狭窄;肺动脉血流频谱参数;多普勒超声心动图;