Content of vitamin C was determined by differential pulse voltammetry.
差示脉冲伏安法测定维生素c含量。
METHODS The Secondary derivative differential pulse polarography was developed.
方法二阶导数差示脉冲极谱法。
This study attempted to determine ferrous ions through ferrous-bipyridyl chelate by differential pulse voltammetry.
利用二价铁离子的联吡啶络合物,示差脉冲伏安法测定土壤中的二价铁离子。
Electroredox behaviour of alkyl viologens and polyviologens has been investigated by using differential pulse polarography.
用微分脉冲极谱法研究了烷基紫精及聚紫精的电氧化还原行为。
A method for determining trace Nickel and Cobalt in human body by differential pulse adsorption voltammetry is reported in this paper.
本文研究了应用微分脉冲吸附伏安法连续测定人体中痕量镍和钴的方法。
A new differential pulse voltammetric method for detection of alkaline phosphatase (ALP) using phenyl phosphate as substrate was developed.
研究了以磷酸苯酯为底物微分脉冲伏安法测定碱性磷酸酯酶(ALP)的方法。
The effects of the channel bit error on the reconstructed images of the Differential Pulse Code Modulation (DPCM) systems are analysed in this paper.
本文分析了信道误码对DPCM图象传输系统重建图象的影响。
In this paper, benzidine, C-tolidine and benzidine hydrochloride are determined by anodic differential pulse voltammetry on a glassy-carbon electrode.
本文用示差脉冲阳极伏安法在玻碳电极上测定联苯胺、邻甲联苯胺、盐酸联苯胺。
Scavenging activity of four natural flavonoids to 2,2-diphenyl-1-picrylhydrzyl free radical(DPPH) was studied by cyclic voltammetry and differential pulse voltammetry.
采用循环伏安法、示差脉冲伏安法对四种天然黄酮类化合物清除二苯代苦味肼自由基(DPPH)的能力进行了探讨。
The interaction between curcumin and DNA were investigated by means of cyclic voltammetry and differential pulse voltammetry with DNA-modified glassy carbon electrodes.
采用循环伏安法和差示脉冲伏安法,研究了姜黄素在DNA修饰玻碳电极上与DNA的相互作用。
To combine chemometrics with differential pulse voltammetry anticipatively provide a new way for the study of fingerprint, which is realizable, easy to operate and quick.
预期,将化学计量学与微分脉冲伏安技术结合,可为中药指纹图谱的研究提供新的方法,该方法具有切实可行、操作简便、响应时间短等优点。
METHODS the cyclic voltammetry and differential pulse voltammetry were used to study the electrochemical behavior of DA at the poly (isonicotinic acid) film modified electrode.
方法用循环伏安法和示差脉冲伏安法研究DA在聚异烟酸膜修饰电极上的伏安行为。
DNA was studied by means of cyclic voltammetry (CV) with a mercury film electrode (MFE) using conventional CV, differential pulse voltammetry and alternating current voltammetry.
研究了汞膜电极阳极溶出伏安法的电化学机理及其简单的制作方法,并对常用的铂球镀银汞膜电极和旋转玻璃炭汞膜电极进行了比较。
Electrocatalysis of carbon atom wire (CAW) modified electrode to the electrochemical reaction of uric acid was investigated by using cyclic voltammetry and differential pulse voltammetry.
通过循环伏安法和差分脉冲伏安法研究了碳原子线(CAW)修饰电极对尿酸电化学反应的催化作用。
The differential signal is the spike pulse signal that is produced by differential circuit. Original differential circuit is very difficult to obtain the ideal differential signal.
微分信号是由微分电路产生的一种“尖峰”脉冲信号,原来的微分电路很难获得理想的微分信号。
The toroidal core was excited by sharp pulse current. The sensor circuit is composed of peak value detector, Butterworth low-pass filter and differential amplifier.
磁芯采用高频脉冲电流励磁,信号处理电路由峰值检波、低通滤波及差动电路构成。
Comparing with the differential range method that early radar adoptive for measuring velocity, the radar, which based on Pulse-Doppler theory, has the better real time capability and high precision.
与早期雷达采用距离微分方法测速相比,基于脉冲多普勒理论的雷达测速技术具有实时性好、精度高等优点。
Then based on the above analysis, we present the method of using output voltage pulse differential feedback to control chaos in the buck converter.
在此基础上提出了利用输出电压的脉冲微分反馈对这类电路系统中的混沌进行控制的方法。
Considering the characteristics of digital-synthesis technology and pulse signal, this paper proposes a method to implement the adjustment of high-speed pulse using differential amplifier.
结合数字合成脉冲的技术特点及信号特征,提出利用恒流源差分放大电路具有非线性工作区的特点实现高频脉冲信号调理的方法。
For a UWB communication system, by using differential characteristic of Herz magnetic dipole antenna, the narrow pulse can be produced from the rise edge of input square-wave signal.
在UWB通信中,利用赫兹磁偶极子天线的微分特性,由输入方波的上升沿产生窄脉冲。
When the speed pulse signal is provided, a calculation of the speed curve is achieved using first order digital differential method and the lease square of five points three times smoothing approach.
对于有转速脉冲信号的情况,实现了基于一阶数字微分和最小二乘五点三次平滑方法的转速曲线计算方法。
The governing equation of the temperature field of pulse - magnetron is a nonlinear second order partial differential equation .
磁控管的温度分布是二阶非线性偏微分方程。
Least-squares algorithm to fit a three-dimensional plane, it USES a pulse of consumer law, NRZ type differential phase modulation signal modeling and simulation analysis.
利用最小二乘算法实现对三维平面的拟合,采用的是脉冲对消法,非归零型差分相位调制信号建模与仿真分析。
The generalized kink waves of the short pulse equation were studied by the qualitative theory of ordinary differential equations and numerical simulation method.
用微分方程定性理论结合数值模拟方法研究了窄脉冲方程的广义扭结波。
Conclusions:If week pulse in the upper limbs and hypotension in the lower limbs or differential cyanosis are identified, aortic coarctation must be suspected.
结论:上肢高血压而下肢低血压或存在差异性发绀者应疑诊本病。
After analyzing the spectrum of a group of signals, non-polar differential exponent pulse signal was selected as carrier wave, which can separate therapy threshold and ache threshold.
通过对载波信号的频谱分析,提出了一种能分离治疗阈值与疼痛阈值的无极性指数脉冲。
After analyzing the spectrum of a group of signals, non-polar differential exponent pulse signal was selected as carrier wave, which can separate therapy threshold and ache threshold.
通过对载波信号的频谱分析,提出了一种能分离治疗阈值与疼痛阈值的无极性指数脉冲。
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