Principle of negative hydraulic head and multi-pore materials were used to put forward a new setup and method for the measurement of soil-water characteristic curve.

负水头控制原理与多孔膜材料相结合提供了一种测定土壤水分特征曲线的新装置和新方法。

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This paper reports the light emission from MIM tunnel diode and Negative Differential Resistance (NDR) in its I-V characteristic curve.

本文报道了MIM隧道二极管的发光和负阻现象，用梯形势垒计算了电流-电压特性。

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The I-V characteristic curve of MOM presents a negative resistance feature at low atmospheric pressure., and a memory effect in air.

发现I—V特性曲线在高真空中呈现负阻特征，在大气中表现为记忆特征。

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