Critical Gate Area of Mg Alloy in Counter-gravity EPC
镁合金反重力消失模铸造临界阻流面积的研究
Reasonable design, big flow zone, smoothbore, no heap of dirty, small flow resistance.
设计合理,流通面积大,通径平滑过渡,无脏物堆积现象,流通阻力小。
New methods of determining productivity ratio,flow resistance ratio,drainage area ratio and skin factor of horizontal well
确定水平井产能比、流动阻力比、驱动面积比和表皮因子的新方法
Effect of exit area of the exhaust cap on flow resistance for locomotive and rolling stock
机车车辆排风风帽出风口面积对流动阻力的影响
impedance pneumoplethysmogram
肺阻抗容积描记图，肺阻抗血流图
Current density in tissue, that is, the intensity of HF current per unit of area,is even more important than electrical resisance.
组织中的电流密度（也就是流过每单位面积的高频电流强度）甚至比电阻抗更重要。
Regional anesthesia is used to block pain in a large area of the body.
区域阻滞用于阻滞大面积的部位的止痛。
The abnormal groups show specific flow direction with abnormal velocity, some times with turbulence.
脑积水 (梗阻性 )脑脊液的异常流动 ;
nose-to-tail drag curve
机身面积曲线，纵向阻力曲线
The resistance is halved if the cross-sectional area is doubled.
如果截面积增加一倍，则电阻减少一半。
Methods of test for volume resistivity and surface resistivity of solid insulating materials
GB/T1410-1989固体绝缘材料体积电阻率和表面电阻率试验方法
The related research of the cross sectional area of the chokepoint in obstructive sleep apnea-hypopnea syndrome.
阻塞性睡眠呼吸暂停低通气综合征阻塞点截面积的相关性研究
Flow pattern and gas-liquid interfacial area in a microchannel contactor
微通道气液两相流型及界面面积测定
Densometer: Itstrument that measures the air resistance of an area of paper.
透气度计:量度一面积的纸骊空气的阻力的仪器。
APPLICATION OF NON-INVASIVE BRAIN ELECTRICAL IMPEDANCE DETECTION IN LARGE-AREA CEREBRAL INFARCTION
无创脑电阻抗检测在大面积脑梗死中的应用
Analysis research of large area loading on the negative friction of the pile foundation
大面积堆载对桩基负摩阻力的分析研究
Multi-metal Microcontamination of Silicon Wafer Surface Characterized by Electrochemical Impedance Spectroscopy
硅片表面多金属污染的交流阻抗表征
Areas hit by soil erosion has reached 360 million hectares, making up 38.2 percent of the country's total land area and registering 5 billion tons of soil losses annually.
水土流失面积达3.6亿公顷，占国土面积的38.2%，每年流失土壤50亿吨。