查询词典 velocity function

The precision control of fixed-scale cutting of plastics pipe concerns the technology of many fields, including stability of hauling speed, mechanism system of cutting, dececting of velocity and displacement of pipe walking, synchronous control of velocity between the drawing and knife rest.

定长切割精度控制涉及到许多领域的技术问题，包括牵引机速度的稳定性控制、机械切割系统的选择、管材行走速度和位移的精确测量以及速度同步控制等方面。

An important feature of the velocity-field characteristics is a differential negative resistance effect in steady state electron drift velocity.

在平均漂移速度-电场特性中发现了微分负阻效应。

And at the beginning of the scintillation, the plasma has a large vertical velocity, which can also cause the uncertainty of the zonal drift velocity.

另外，在闪烁刚发生时，不规则体纬向速度起伏较大，这可能与不规则体的随机起伏以及等离子体泡产生时垂直速度较大有关。

Secondly, based on above results, the radiation stress flow and the mass transport velocity composed by Eulerian velocity and Stokes drift are computed.

并以此波浪场为输入条件，分别计算了由欧拉流和Stokes流组成的质量输移流以及辐射应力流。

METHODS Left ventricular ejective fraction, regurgitant velocity and regurgitant direction were examined by color Doppler echocardiography in 151 patients with medium mitral regurgitation. The results of LVEF, regurgitant velocity and regurgitanting gradient were compared between patients with and without murmur grope.

随机选择151例经超声心动图检查，显示有中度及中度以上二尖瓣返流的患者，根据彩色多普勒血流显像分别测定LVEF、返流速度等超声参数，比较其在杂音组及无杂音组间统计学差异，分析其对听诊的可能影响。

The transport and current-voltage properties of submicron GaAs MESFET device are calculated firstly based on the nonparabolic effective mass energy band model and Monte Carlo method which includes all major scattering mechanisms. The electron drift velocity, electric field and the non-homogeneity of mobility distribution in device are obtained. The influences of different gate lengths to electron drift velocity and drain current are analyzed.

根据对以GaAs、GaP和InP为主的Ⅲ-V族化合物半导体材料的能带结构和散射机制的分析，采用蒙特卡罗模拟方法，研究了亚微米尺寸的OaAs MESFET器件的电子密度分布、电场强度、漂移速度和迁移率分布等输运性质，以及栅长对器件性质的影响和电流电压特性。

Periodical electroosmosis with low Reynolds has the same velocity amplitude and a plug-like velocity profile as that of the steady electroosmosis.

还得到在微通道宽对双电层厚的比值很小时，Debye-Hfickel近似的周期电渗流解，并与解析解进行分析比较。

In a spouted bed made of stainless steel with internal diameter 92 mm and height 1000 mm ,by adding five kind powder particle s through intermittent inlet samples, the powder elutriation with temperate air was studied by changing such parameters as bed temperature, bed height, bed particle diameter, spouting velocity, aerating velocity.

在一内径92mm，高1000mm的不锈钢充气喷动床反应器内，以三种不同直径的玻璃珠为惰性粒子，采用五种不同的粉末物料为微细粒子，以空气为充气和喷动气体对微细粒子进行淘洗，综合考察了设备结构，物性，以及操作方式等对充气喷动床内微细粒子的析出率的影响。

In a spouted bed made of stainless steel with internal diameter 92 mm and height 1 000 mm ,by adding wet powder particle through samples intermittent inlet, the wet powder elutriation with temperate air was studied by changing such parameters as bed temperature, bed height, particle diameter, spouting velocity, aerating velocity, gas humidity and feed rate.

在一内径 92mm高 1 0 0 0mm的不锈钢充气喷动床反应器内，采用碳酸钙粉末物料为微细粒子，由间歇进样器填加湿的微细粒子，以空气为充气和喷动气体对微细粒子进行淘洗。

Results As can be seen from the result of mapping velocity information of the standard model, the color of inside-lay is bright and the middle-lay is dim. From the encoding mode of image, it is concluded that the more it is close to endocardium, the quicker the muscle velocity is. This can prove the validity and visualization of our model.

结果通过标准模型的速度信息映射结果分析，可以看出内层模型的颜色较亮，而中层模型则比较暗淡，根据图像的颜色编码方式，可知越靠近心内膜则心肌的速度越大，证明此模型的有效性和直观性。

The changes of the HAF after liver injury may be related to the volume of blood loss, the intraabdominal pressure and the pneumoperitoneum duration.

肝撞击伤伴失血后肝动脉血流量的变化与失血量、气腹压力以及气腹持续时间等有密切联系。

Reneging on our commitments to the world's poor cannot be an austerity measure, she said.

放弃我们给世界上的穷国的承诺不能成为一种紧缩措施。