查询词典 falling gradient

The crystalline mechanism difference of microcrystalline and polymorphous silicon was investigated by thermal gradient theoretical and hydrogen etching model.

研究电阻对时间的依赖关系表明氢化硅电阻值随测试时间增大而增大，XPS测试结果表明薄膜的氧化增大了薄膜电阻。

Key words: SiC monocrystals;temperature gradient;growth rate;polytype;enlarged growth

作者简介：李现祥（1977－），男，博士研究生，研究方向：半导体材料。

In typical this world slope differs on altitude gradient, season of edaphic layer pondage distributings extremely lopsided, pondage change process and rainfall season change are abhorrent, pondage change is apparent lag at rainfall process, sluggish later period is a month.

在典型阳坡不同海拔梯度上，土壤层贮水量季节分布极不平衡，贮水量变化过程和降雨量季节变化不一致，贮水量变化明显滞后于降雨过程，滞后期为1个月。

Taking range as the performance function, considering end velocity, height and trajectory slope angle constraints, the optimal glide trajectory was solved by maximum principle of Pontryagin and conjugate-gradient method.

建立了滑翔弹道模型，以射程为指标函数，考虑终端速度、高度和弹道倾角约束，采用庞特里亚金极大值原理和共轭梯度法求出控制变量有约束的最优滑翔弹道，简要分析了滑翔增程机理。

In this paper,both research progress and class of gradient porous ceramics are reviewed.

本文介绍了梯度多孔陶瓷的种类及最新研究进展。

The electric field is the negative of the potential gradient.

a假如纯量的电位函数是已知的，我们可得到静电场的分布及其各个分量。

The simulation results indicate that with the axial applied potential gradient increasing the instantaneous kinetic energy of the system enhances.

仿真结果表明，纳米管道两端的外加电场强度增大时，系统的瞬时动能增加。

Showed the feasibility of using steel electrodes to measure potential gradient caused by the stray current in soils.

文中研究用钢制电极测量土壤中杂散电流形成的电位梯度的可行性。

Na+, in the opposite direction but against its own electrochemical potential gradient.

物质跨膜运动的方向与离子转移的方向相反。

Water potential reflects energy level of soil water and the gradient of water potential is an impotent factor describing direction and velocity of water flow.

水势反映土壤水的能态，而水势梯度则是决定水流方向和速度的重要因素。

The use of the web to spread fears that flicking the switch on the LHC could create a Black Hole that could swallow up the Earth particularly concerned him, he said.

他说，使用互联网散布恐慌说启动LHC会生成一个可能吞噬地球的黑洞的做法让他感到忧虑。

Not a single word have I written down.

我一个字也没有写下来。