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1)  low frequency complex impulse current
低频复合脉冲电流
1.
Objective: To explore the regulation of transdermal absorption of Secretio Bufonis (SB) and the effect of low frequency complex impulse current (LFCIC) on it.
目的 :考察蟾酥的经皮吸收规律以及低频复合脉冲电流对蟾酥经皮吸收的影响。
2)  low frequency electric impulse
低频电脉冲
1.
The principle of low frequency electric impulsed production technique is that electric energy,stored in ca-pacitors through boosting,rectifying and charging circuits,are released instantaneously by trigger circuits to produce vibration waves which can improve seepage flow in forma-tions,thus enhancing recovery factor.
低频电脉冲采油技术是通过升压、整流、充电等电路将电能蓄积在电容器中,通过触发电路,使能量瞬时释放,在井内液体中产生震动波,作用于地层,改善地层的渗流状况,达到提高采收率的目的。
3)  low frequency pulsed current annealing
低频脉冲电流退火
4)  low pulse repetition frequency
低脉冲重复频率
1.
A solution to the problem of calculation on critical radar cross section(RCS) of low pulse repetition frequency(LPRF) PD radar was given.
提出了低脉冲重复频率PD(Pulse Doppler)雷达探测飞行器目标的临界散射截面的计算方法。
5)  low-frequency pulsed electrical field
低频脉冲电场
1.
In order to explore the reversal effect and mechanism of low-frequency pulsed electrical field (LF-PEF) on multidrug resistance (MDR) of MCF-7/ADR, MTT analysis was used to detect resistance factor (RF) and reversal index (RI).
为了探讨低频脉冲电场对人乳腺癌多药耐药细胞系MCF-7/ADR耐药性的逆转作用及机制,采用MTT比色法检测MCF-7/ADR的耐药指数和耐药性的逆转倍数,荧光显微镜观察脉冲电场对MCF-7/ADR细胞内DiOC2(3)(P-gp的特异性荧光底物)积累和外排的影响。
2.
PC12 cells were exposed to low-frequency pulsed electrical field (f=50 Hz, τ=20 ms, Epp=1 V/ m) to study the possible effects of electrical field exposure on nerve growth factor receptor (NGFR) and outgrowth in PC 12 cells.
以PC12细胞为实验材料,研究低频脉冲电场(f=50 Hz,τ=20 ms,Epp=1 V/m)对神经细胞突起生长及膜受体聚簇的影响。
6)  Low frequency electric stimulation
低频脉冲电刺激
补充资料:恒电流双脉冲法
分子式:
CAS号:

性质:对于快速电极过程,单一的电流阶跃法受到双电层充电的限制。为此提出了恒电流双脉冲法。即让两个恒定脉冲电流依次通过电极。第一个电流脉冲的幅值i1很大,但持续时间很短,用以对双电层进行快速充电;然后紧接着加第二个电流脉冲,它的幅值i2较小而持续时间较长。记录电势-时间曲线,。如果调节第一个脉冲的幅度和脉宽,使第二个脉冲开始处,电势-时间曲线的斜率为零,此时双电层既不充电,也不放电。所以i2全部是法拉第电流。用这种方法可以测量溶液电阻、迁越电阻和双电层电容。此法适用于测量较小的迁越电阻或真实面积较大的电极体系。

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