查询词典 gradient

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。

Result: Rhesus BMSC can be got in mass by density gradient centrifugation.; Rhesus BMSC can adhere to PLGA fiber quickly after plant and its growth , division ,proliferration is good; Some cells arrange like rosary on PLGA fiber surface, some cells still form the catenate or flaky cell bridge joined among PLGA fiber.

结果：采用密度梯度离心的方法可得到大量增殖能力强的猕猴骨髓基质干细胞；接种后的骨髓基质干细胞很快粘附于PLGA纤维上，生长、分裂、增殖良好，在PLGA纤维表面形成串珠样排列，部分细胞还形成连接在PLGA纤维间的链状或片状细胞桥。

7 A porous medium has a permeability of one darcy when a single phase fluid of one centipoise viscosity that completely fills the voids of the medium, will flow through it under conditions of viscous flow at a rate of one cubic centimeter per second per square centimeter cross sectional area under a pressure or equivalent hydraulic gradient of one atmosphere per centimeter.

答案：当粘度为 1 厘泊的单相流体被完全充满-多孔介质的孔隙时，在粘滞性流体以 1 立方厘米每秒或每平方厘米的相当于每厘米一个大气压的水力梯度通过时，该介质的渗透率为 1 达西。

Compared with the density gradient centrifugation method, this protocol was time-saving and low cost and high efficiency.

本研究建立的方法与通常采用的密度梯度离心法相比，具有耗时短、对离心机的要求不高，且所提取的mtDNA产率高、结构完整等特点。

Among them,CsCl density gradient centrifugation is often used,because product purity is good by this method.

在纯化病毒的方法中，氯化铯密度梯度离心法是较为常用的方法之一，方法简便易行，获得的病毒样品较纯。

Methods: Mononuclear cells were obtained from human peripheral blood by the method of Ficoll-Hypaque density gradient centrifugation.

目的：观察白藜芦醇对人外周血单核/巨噬细胞CC型趋化因子受体5(CCR5)表达的调节作用。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。