本文采用粉末冶金法研制了PZT系独石型梯度功能压电陶瓷驱动器。
A monolithic piezoelectric actuator based on functionally gradient PZT ceramics was prepared by powder metallurgical process.
雷诺协强的径向梯度驱动带状流抑制了湍流输运。
Zonal flows can be driven by the radial gradient of the Reynolds stress.
最后部分是离子温度梯度模驱动的环带流生长研究。
And the final is that the study on zonal flow driven by ion-temperature-gradient mode.
结合重量分析，用离心法可得到不同驱动压力梯度下的吸附水量及吸附水层厚度。
In combination with the gravimetric method, one can obtain the adsorption amount of water and the thickness of adsorbed water layer on solid surface under various driving gradient pressures.
地应力是影响储层沉积水水头的主要因素，地应力梯度是油气水运移的主要驱动力。
Terrestrial stress is a main control on hydrostatic head of reservoir, and its gradient powers oil, gas and water migration.
采用打靶法，数值求解了在负磁剪切托卡马克等离子体中离子温度梯度驱动的复本征模方程。
An eigenmode equation of ion temperature gradient driven instability in a tokamak plasma with negative magnetic shear is solved numerically by the shooting method.
多孔铝合金的孔隙率梯度主要是由渗流驱动压力梯度与凝固顺序所决定，而颗粒的自然堆积密度影响相对较小。
The porosity gradient of porous aluminium is mostly affected not only by the spontaneous stacking density of granules, but also by the infiltration pressure gradient and solidification sequence.
与水驱相比，微生物驱油可降低启动压力梯度，降低渗流阻力，扩大有效驱动距离。
The experiments show that microbe solution flooding can decrease the threshold pressure gradient, lessen the flow resistance, and extend the effective drainage distance.
在激光材料加热中，由于存在着表面张力驱动的流动，熔池表面附近熔体的速度梯度很大。
A thin surface layer always exists near the surface of laser heating melt pool due to the fluid flow driven by the surface tension gradient.
在激光材料加热中，由于存在着表面张力驱动的流动，熔池表面附近熔体的速度梯度很大。
A thin surface layer always exists near the surface of laser heating melt pool due to the fluid flow driven by the surface tension gradient.
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