查询词典 gradient change

And the control volume finite difference method based on the boundary fitted curve line coordinate for the coupling model of whole system;(2)introduction of the relative temperature gradient function Sv , which is used to determine the evolution of crystal / melt interface shape, because the shape of the crystal / melt interface during crystal growth is an important factor in determining the crystal quality.

本文采用数值模拟方法，研究了传热对晶体生长的影响，包括以下几个方面：(1)建立了晶体的简化模型，熔体的简化模型和相应的数值计算方法；为了从总体上研究晶体生长的动态特性，首次导出了旋成体曲线座标系的SIMPLEC算法，并成功地应用于晶体生长的整体模拟。

On the basis of study on hydrates phase equilibrium and the GHSZ affecting factors, the potential planar distribution of gas hydrates is determined by studying the temperature and pressure conditions in the sea bottom with different water depth, and the thickness of GHSZ is attained by solving the hydrates phase boundary curve equation and geothermal gradient curve equation.

在充分研究水合物相平衡和水合物稳定带影响因素基础上，通过建立水深和海底温度的关系，确定了不同气体成分和孔隙水盐度情况下，水合物稳定带在南海的分布范围，并根据水合物相平衡曲线方程和温度-深度方程计算了水合物稳定带的厚度。

The Analysis of the Effect of Non-parallelism and Pressure Gradient on the Stability of Boundary Layer

与经典的平行流边界层稳定性结果相比，显示了在某些条件下非平行性对稳定性的关键作用。

This paper proposed a novel shot boundary detection method based on the gradient angle.

本文提出一种新的基于梯度向量角的镜头边界检测方法。

Higher temperature gradient, larger heat transfer coefficient and proper heat dissipation from the bottom of crucible are necessary for Bridgman method and also important for optimization of growth technique.

5较大的温度梯度，较大的换热系数和适量的底部冷却是坩埚下降法晶体生长的必备条件，也是工艺优化的重要方向。

A mathematical model describing the characteristics of the heated film was derived by taking into account the effect of surface tension gradient on the film flow, as well as the force balance and mass conservation in the bulgy structure.

根据液膜边缘凸起区内的受力平衡和物料平衡关系，同时考虑温度引起的表面张力梯度对液膜流动的影响，建立了受热降膜收缩模型。

The four color separations through print, film, such as graphic dot over to the printing plate for as little as possible, dot gain 3 per cent to 5 per cent of the dot is not lost, not 5％ website surplas 95％-98 per cent of dot dot not paste version, burliness, students'rooms with ideas for the granula round, there is no dot is white, Burr, gradient hiberarchy rich and clear.

分色的四色软片堵住晒版，不兵图文网点迁徙到印版上，请求网点放不小只管即便多，3％～5％网点不迷失，5％的网点不放不小，95％—98％的网点不糊版，网点单弱，点子颗粒方侧参差，网点操纵白点、毛刺外，阶调条理丰裕、澄辉。

The result shows that the main factors,which affect the technical quality of the cathode assembly preparation,are surface oxidization of emissive layer,impurity pollution,doped concentration nonuniform,less variation of doped concentration gradient,the sticking stress of GaAs and glass,and the main factors,which affect the cathode activation,are the degree of vacuum for activation at lower than 8x10-8Pa,the partial pressure of H2O,CO,CO2 and C in the vacuum residial gas at higher than 10-8 Pa and the improper caesium and oxygen refining.

结果表明，影响台外工艺质量的主要因素是外延材料缺陷多、发射层表面氧化、杂质污染、掺杂浓度不均匀、掺杂浓度陡度变化小及GaAs与玻璃粘接产生的应力大；影响台内工艺质量的主要因素为阴极激活真空度低于8×10-8Pa。真空残气H2O.CO.CO2及C分压大于10-8Pa。阴极激活铯和氧源提纯不彻底。

Through the test in the field, the influences of the different concentration gradient of Calcium cyanamide on peanut's yield and economic benefit were studied in the same environmental condition.

方法］通过田间试验，在相同环境条件下，研究不同浓度梯度的氰氨化钙肥对花生产量和效益的影响。

This minimum is computed with the calculus of variations and the gradient descent method, which provide a system of evolution equations solved with the well-known level set method.

能量泛函的极小值由变分法求解，利用梯度下降法和水平集方法推倒演化方程。

It was just a normal day of school

那只是上学的普通一天

Which is a very good reference in this issue.

这是一个在这个问题上很好的参考。