查询词典 mean velocity

In two-dimensional steady granular flow, relationship between fluctuation of the velocity and the mean fields of flow can be established by method of mean free path.

在二维稳定的流动条件下，应用颗粒运动平均自由程的方法把应力中的速度脉动量与平均流场建立关系。

Numerical results of the energy, the velocity distribution, the mean free path, the mean collision time, the heat capacity and the self-diffusion coefficient agree well with the theoretical/experimental data.

本文用分子动力学方法模拟了系统的热力学参数和输运系数，并探讨了扰动在介质中的传播机理，最后分析和讨论了汽液界面中的相变现象。

Finally this paper simulates GaAs material including the average energy, velocity, and time occupation rate in different energy valley of it. And this paper simulates GaAs diode including the average energy, velocity, and the mean free path of it, and derives the thermal conductivity from the simulation result of it.

最后，使用蒙特卡罗方法模拟了GaAs材料的平均速率、平均能量以及载流子在不同能谷中的时间占有率，GaAs二极管的平均能量、平均速率以及平均自由程并推导出了其热导率。

Comparison between the velocity distributions at the different flow rate conditions showed that increasing the flow rate was help to improving the velocity distribution. The periodic mean field on r-6 plane at different axis positions showed that the flow within the vaned diffuser, especially within the inlet region, was periodic unsteady when impeller located at the different circumferential position, just as the flow within the vaneless diffuser.

有叶扩压器内平均流场的分析表明，在定常流动的假设下，不同流量工况下有叶扩压器的内部流动也呈现为沿轴线向后盘方向推移流动状况逐渐恶劣的分布规律，表明二元叶片构成的平行直壁有叶扩压器对轴向不均匀流动的掺混作用仍然不大。

Thus when we speak of "the velocity of an automobile," we usually mean its velocity relative to the earth.

因此，当我们谈到"某汽车的速度"时，通常是相对于地面的速度。

Thus wh we speak of "the velocity of an automobile," we usually mean its velocity relative to the earth.

因此，当我们谈到"某汽车的速度"时，通常是相对于地面的速度。

The median velocity was calculated instead of the mean because it is fairly common to find outliers (e.g., breaking a ski pole during the race would make the velocity very low and aberrant).

这里计算的是速度中间值而不是平均值，这是因为中间值较容易发现异常值（例如，在比赛中打破一个滑雪杆会使速度变得异常低）。

Methods CIT model with BIMⅡ Bioimpactor was used to observe the changes of the mean blood velocity,mean blood flow and the diameter of the inferior vena cava,abdominal aorta,superior mesenteric artery,hepatic artery,hepatic vein,portal veinand renal artery at preinjury,1h,4h,8h and 24h postinjury with Doppler echocardiography in 20 rabbits.

随机选取家兔20只，雌雄不限，采用BIMⅡ型生物撞击机致成CIT模型，分别在伤前、伤后1、4、8、24小时利用超声多谱勒检测下腔静脉、腹主动脉、肠系膜上动脉、肝动脉、肝静脉、门静脉和肾动脉平均血流速度、平均血流量和血管内径。

There was a good correlation between Ptw,AVCtw,MVOtw,PTV,PUV,UntwR and age.2.Assessment of left ventricular twisting and untwisting of DCM patients19 DCM patients(range 18-80 yr,mean age 50.52±17.52 yr,2 females) and 21 age- and sex-matched normal controls(range18-80 yr,mean age 49.05±16.94 yr,5 females) were enrolled into this study.Then DCM patients were divided into two groups:E/A＜2 group and E/A＞2 group.The routine echo showed the left ventricle dilated and EF decreased.The results show that LV rotation degree, rotation velocity at baseline and apex were irregular changeable with the cardiac cycle;the rotation direction was clockwise at the base and counterclockwise at the apex,and are combined to yield a systolic counterclockwise twisting as seen from the apex,but the rotation at the basal and apex were the same direction in some patients.

扩心病患者左室扭转及解旋特征的研究选择扩张型心肌病(Dilated Cardiomyopathy，DCM)组患者19例(男性17例，女性2例，年龄18～82岁，平均50.52±17.52岁)，健康体检者21例(男性16例，女性5例，年龄18～80岁，平均49.05±16.94岁)作为对照组，扩心病患者按照E/A分为E/A＜2、E/A＞2两个亚组，结果显示：常规超声显示DCM组LVDd值增大，EF值减小；DCM患者左室心底部与心尖部心肌旋转角度、旋转速度随心动周期变化曲线明显紊乱；与正常组比较，DCM患者左室整体扭转角度和速度分别为(6.49±1.82)°、(67.84±15.60)°/s，较正常人显著减低P＜0.01左室舒张末及收缩末扭转角度DCM患者较正常人显著减低(P＜0.01，左室舒张末及收缩末时间在DCM-E/A＞2组较正常人及DCM-E/A＜2组显著缩短P＜0.01DCM患者左室解旋速度较正常人亦显著减低(P＜0.01，左室功能轻中度减低(DCM-E/A＜2)患者解旋率[(0.29±0.07)%]较正常人[(0.42±0.11)%]明显减低，但当左室功能重度减低(DCM-E/A＞2)时左室解旋率[(0.63±0.35)%]较正常人反而增加；左室整体扭转角度、舒张末扭转角度、收缩末扭转角度、解旋与左室射血分数未见明显相关性。3。

With comparing the reference values of the sensor-level, the Averaged Root Mean Square Error of position, velocity, and acceleration were found about 77.08%, 60.10%, and 32.31% improved. Also, the performance indexes of position, velocity, and acceleration with the local-processor were found to be larger (about 47.91%, 30.33%, and 12.71%) than with the global-processor, respectively.

经蒙地卡罗电脑模拟结果，验证所采用的联邦α-β-γ滤波器，可减少计算量的负荷，提升滤波器的运算速度，且在全域处理器中使用之资讯融合演算法，无论在位置、速度及加速度之估算误差收歛上，均有优异的性能，相较於感测器层平均效能分别提升了约77.08%、60.10%及32.31%；相较於区域处理器层平均效能分别提升了约47.91%、30.33%及12.71%，验证本研究所提出之资讯融合演算法，可明显改善追踪精确度。

This paper discusses design and realizable methods of remote test output interface from logical design angle.

本文从逻辑设计的角度讨论遥测输出接口的设计及实现方法。

This also 星体投射plies to buildings, structures and geological features.

这也适用于建筑物和地质特征。