density variation的例句大全

The thermal turbulence motion and the air density variation are governed by the complete Navier Stokes equations, so that the variety factors could be in consideration.

激光加热引起的气流扰动及气体介质密度变化采用完全的Navier stokes方程描述，以便考虑各种不同因素的影响。

The air density variation is calculated with the complete Navier-Stokes equations.

激光热效应引起的流场密度变化采用完全Navier stokes方程计算。

Discussion on Horizontal Density Variation in Flakeboard

论刨花板平面密度变异

In the control equations of the model density variation is considered. The buoyancy terms in the control equations are included. Buoyancy revision of Schmidt number also be carried out.

模型不仅在控制方程中计及了密度变化，而且在控制方程中加进了浮力项，并对湍流Schmidt数也作了浮力修正。

Instability of flow due to complex heat exchange and density variation leads to strong thermal convection in liquid region during the water solidification process. At the end of solidification process, intensity of flow decayed and the stable structure was rebuilt.

因为存在着复杂的热交换和密度变化，水在凝固过程中存在流动结构失稳，使得液相区内发生强烈的热对流.最后流动强度减弱，重新形成稳定结构。

The influence of density variation of a granular pile on the pressure distribution at its bottom

颗粒堆密度变化对堆底压力分布的影响

With a spherical model, the variation of gravity potential, gravity and gravity gradient caused by deformation and density variation model occurred in epicentral area is investigated and derived.

摸拟计算了孕震位移和密度变化引起的重力位、重力、重力梯度变化的空间分布并分析了重力位、重力、重力梯度变化的空间分布特征。

Variation of Thickness and Density of Metal-Grinding Disks before and after Hardening

浅析烤制前后金属磨片厚度和密度的变化

to the seasonal variation, the highest population density of kestrel appeared in autumn, and lowest in summer, in winter the population density was a little lower than autumn.

种群密度最高和最低季节为秋季和夏季，冬季红隼种群密度稍低于秋季，这可能由于部分红隼冬季南迁引起。在空间上，不同区域红隼种群密度也具有明显的差异。

Shady soil organic matter 、 total porosity 、 capillary porosity and non-capillary porosity are greater than sunny; Shady soil bulk density is greater than sunny; different slope positions of soil properties showed different variation. ( 3) The biggest soil bulk density was at gully bottom.

阴坡的土壤有机质、总孔隙度、毛管孔隙度和非毛管孔隙度均大于阳坡；阴坡的土壤容重小于阳坡；（3）不同坡位的土壤理化性质表现出不同的变化规律。

After analyzing the 11-yr, 27 days and diurnal variation of upper atmosphere caused by solar activity, a calculation method for MET model atmosphere density is presented in which solar activity is taken into account.

该文分析了高层大气与太阳活动有关的11周年变化、27天变化以及周日变化，讨论了考虑太阳活动的MET模式大气密度计算途径，并且介绍了卫星大气阻力加速度模型。

In the p-type case, we also predict rich nonmonotonic features in the temperature and density dependences of the hole spin relaxation time, which result from the variation of the hole-impurity and hole-phonon scattering strength.

在p型材料的研究中，我们也预言了空穴自旋弛豫时间丰富的非单调温度、浓度依赖关系。

Population density at the beginning of the increase phase and length of the increase were most responsible for variation in peak densities of population fluctuations of both species.

增加初始阶段的种群密度及时间长度是造成两种动物种群波动峰值不同的主要原因。

The seasonal variation of zooplankton biomass was in agreement with that of phytoplankton density.

浮游动物生物量与浮游植物密度的季节变化趋势相一致。

In order to calculating compressible flow, author related the variation of stage pressure and density by means of the friction loss and polytropic efficiency.

为适应可压缩流动计算的需要，利用局部摩擦损失建立了压力与密度的联系。

Variation in Tensile Properties and Relationship between Tensile Properties and Air-Dried Density for Moso Bamboo

毛竹顺纹抗拉性质的变异及与气干密度的关系

Principle component analysis showed that the first four main components including spike density, kernel weight per spike, grain number, plant height made the contribution of 85.58% to variation, which offered the basis for the parents selection of wheat breading.

主成分分析显示4个主成分（穗密度因子、穗粒重因子、粒数因子、株高因子）对变异的贡献率达85.58%，可作为亲本选择的依据。

After degreasing, gas dry density coefficient variation of Pinus Massoniana veneer decreased, but air dry density value almost had no change; Thickness swelling rate and water absorption rate were bigger; MOE decimated, MOR changed rarely.

脱脂处理后，马尾松单板气干密度变异系数减小，但气干密度几乎没有变化；吸水厚度膨胀率和吸水率较大；弹性模量剧减，静曲强度变化不大。

The radial variation of wood density within annual ring had a close relationship to that of the productivity and anatomical properties of xylem cells at different stages.

同一生长轮内木材密度的径向变异与活动期不同阶段形成的木质部细胞数量及其解剖特征直接相关。

Mean Density Scale Heights From Analysis of Variation in Perigee Height of China Second Satellite

从我国第二颗卫星近地点高度变化的分析测定平均密度标高