The experiments show that microbe solution flooding can decrease the threshold pressure gradient, lessen the flow resistance, and extend the effective drainage distance.
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 starting resistance of a roller bearing wagon is an elementary parameter and an important basis for traction calculation and the gradient of station yard design.
车辆起动阻力是列车牵引计算、车站站坪坡度设计的基本参数和重要依据。
The results showed that the hardening layer has better hardness gradient and high wear resistance.
结果表明，表面熔化处理后的硬化层的硬度梯度平缓，耐磨性高。
The heat pipe with multilayer sectional silk screen structure has gradient pore change, greater capillary tension, lower reflow resistance and raised heat pipe performance.
本发明通过制成多层多段式丝网结构，从而形成立体梯度孔隙变化，同时达到较高毛细力及较低回流阻力，进而提升热管性能。
The method of improving the thermal shock resistance of ceramic tool materials i. e. using functionally gradient ceramic tool materials, is discussed and verified by intermittent turning tests.
讨论了提高陶瓷刀具材料抗热震性的方法即采用梯度功能陶瓷刀具材料，并结合断续车削试验进行了验证。
As compared to general coating, gradient coating has even more excellent performances in bending strength, bonding strength, thermal shock resistance, microhardness and thermal stress relaxation.
与一般涂层相比，梯度涂层显示出更为优异的弯曲强度、结合强度、抗热冲击性、显微硬度分布及缓和热应力等性能。
The ratio of the magnitude of an applied shear stress to the velocity gradient that it produces; that is, a measure of a noncrystalline material's resistance to permanent deformation.
剪切应力数值与其产生应变速率的比值叫粘性，用来衡量非晶材料抵抗永久变形的能力。
The hardness and wear resistance of Al 20Si alloy FGM reduced gradually from the inside to the outside of the specimen, changed in gradient.
材料内层硬度较高、耐磨性较好，由内向外硬度逐渐减小、耐磨性变差，呈梯度变化。
The hardness and wear resistance of Al 20Si alloy FGM reduced gradually from the inside to the outside of the specimen, changed in gradient.
材料内层硬度较高、耐磨性较好，由内向外硬度逐渐减小、耐磨性变差，呈梯度变化。
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