resistance gradient

基本解释

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 sample has an excellent thermal shock resistance ability and gradient distribution of micro-hardness across the titanium substrate to the surface layer.
钛板到金属陶瓷层的显微硬度呈梯度变化且具有较好的抗热震性。
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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。