当科学家在探针上加一定电压时候,电子能够在它和样品表面之间跳跃,这个过程叫做量子隧穿。
When scientists apply a voltage to the finger, electrons can hop between it and the surface through a process called quantum tunneling.
其中两个探针提供恒定的电流,而另外两个探针测量一部分样品上的电压降。
While two contacts supply a constant current, the other two contacts measure the voltage drop across a portion of the sample.
电流从两个外部的探针加入,而电压降则在两个内部的探针之间测量。
The current is sourced through the two outer probes and the voltage drop is measured between the two inner probes.
将来,这种PROPS探针可在医学、环境和工业中检测多种重要细菌的膜电位或电压。
In the future, their PROPS probe should be useful in determining the role of membrane potential, or voltage, in a variety of medically, environmentally and industrially important bacteria.
本文报导了一种液体探针表面光电压微分谱测量方法。
In this paper a method of measuring differential surface photovoltage spectrum with liquid probe has been reported.
文中采用无源探针对由等离子弧梯度电压和等离子鞘层电压构成的等离子反翘(等离子云)电压进行检测。
A non power supply probe was developed to detect the plasma cloud voltage, which consists of plasma arc voltage gradient and plasma sheath voltage.
利用一定电压下将探针固定在活化的碳糊电极表面的技术,研制成DNA电化学传感器,用该传感器对互补链dna进行杂交检测。
The DNA electrochemical sensor is manufactured by immobilizing ssDNA on the activated surface of CPE in fixed potential. The complementary DNA is detected by hybridization on the this sensor.
与四点同线探针法一样,如果样品电阻和电压表的绝缘电阻(电压表的公共端到地)是同一数量级的,就可能需要使用差分测量。
As with the four-point collinear probe method, a differential measurement may be required if the sample resistance is of the same magnitude as the isolation (meter common to ground) of the voltmeter.
磁场越大同一门电压下电导增加的振幅越大,自旋轨道耦合引起的震荡变的越强,并使探针对电导的影响减小。
For a given gate voltage and a higer perpendicular magnetic field, the conductance and the oscillations amplitude induced by spin-obit coupling are increased.
电压传感器的输入端与探针连接,电压传感器的输出端与计算机连接。
The voltage sensor has input end connected to the probe and output end connected to the computer.
扫描探针显微镜- d21提供自动频率,相位和电压匹配使用模拟或离散输出信号。
The SPM-D21 provides automatic frequency, phase and voltage matching using either analog or discrete output signals.
扫描 探针 显微镜 -d10yb同步器,提供自动频率和电压匹配使用离散输出偏置信号。
The SPM-D10YB synchronizer provides automatic frequency and voltage matching using discrete output bias signals.
扫描 探针 显微镜 -d10yb同步器,提供自动频率和电压匹配使用离散输出偏置信号。
The SPM-D10YB synchronizer provides automatic frequency and voltage matching using discrete output bias signals.
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