The influence of some conditions of mass spectrometer such as trap current detector voltage and the amount of sample on the accuracy and repeatability of the quantitative analysis are discussed.
质谱定量分析方法的重复性一直受到人们的关注,本文对影响重复性的一些仪器条件进行了探讨。
This decreases the device thickness and depletion voltage and consequently reduces material quality requirements and cost of the detector material.
这减少了设备的厚度和电压损耗,从而降低材料的质量要求和探测器的材料成本。
As another example, the logic state of the select signal can be changed in response to a change in the power supply voltage provided to the phase frequency detector.
作为另一个示例,选择信号的逻辑状态可响应于提供给脉冲频率检测器的电源电压的变化而改变。
The generator may be made independent of temperature and supply voltage if the detector is clamped with matched zener diodes as shown in Figure 28.
只要按图28那样在阈值检测器中使用性能匹配的稳压二极管,那么这个信号发生器电路就可以做到与温度变化和电源电压变化无关。
The system can be used to measure the voltage responsivity and detectivity of infrared detector at different modulation frequency with rapid speed and high accuracy, it meets the need of measurement.
该系统可以自动测试不同调制频率下红外探测器的电压响应率和探测率,能够快速准确地完成测试任务,满足了测试要求。
The errors caused by light source, optical fiber, electro optic crystal and opto electric detector in optical fiber voltage transducer are presented.
研究了光纤电压传感器光路系统中光源、光纤、电光晶体和光电探测器对测量误差的影响。
After the coating solidifying, the pipe test should be done with defect detector under the specified voltage.
待涂层固化当前,要应用缺陷检测器在涂料技术标准中规定的电压下对钢管进行检测。
The simulator contains a threshold detector to eliminate faulty discharge counts over its wide operating voltage range. Only valid HV discharges are indicated.
该模拟器包含一个放电门限检测器,在整个操作电压范围内可以消除放电计数错误,即仅显示有效的高压放电。
The high voltage endurance test device for switch tube is composed of high voltage pulse generator, high voltage breakdown detector, trigger, auto-controller and DC/AC converter.
开关管冲击耐压装置由高压脉冲产生器、击穿检测器、触发器,及自动控制器、DC/AC变换器等构成。
RS now stocks more than 2,200 lines of world leading ROHM products, including Op-Amp, Comparator, EEPROM, Voltage detector and LDO.
RS目前拥有超过2,200种领先全球的ROHM产品,包括运算放大器、比较器、EEPROM、电压检测器和线性稳压器。
The final inspection of the coating, before the pipe is put into trench, being carried out by a holiday detector which applies a high voltage current across the coating.
在管子放入管沟前,利用覆盖层检查仪对管道覆盖层进行最后的检查,它在覆盖层的两侧施加高压电。
There is still no integrated high voltage over-voltage protect circuit in SPIC. A novel integrated high voltage detector is proposed by using FFLR.
针对SPIC中没有可集成的高压过压保护,提出了一种利用场限环的分压特性设计的高压电压探测器。
The optimize design were processed based on reliability analysis of detector, high voltage source and transmission driven circuit under the worst case, and the evident effect was good.
通过对探测器、高压电源、传输驱动电路在最坏情况下的可靠性分析,有针对性地对自然伽马测井仪进行了优化设计,效果良好。
Coaxial cables for the high voltage and PMT output current signals connect between the detector housing and the amplifier unit.
PMT高压电源线盒信号输出线连接了探测器封装和放大器单元。
The models of heat radiation field of brocken high voltage lines and of responding to its input with a infrared ray detector are set up by the theory of infrared radiation.
借助红外辐射理论,建立了破损导线的热辐射场和红外传感器对其输入响应的模型。
This detector has higher resolution, which makes the differences difficult to distinguish between the minimum (or maximum) input voltage and the rest enlarged and distinguished easier.
检测器本身具有较高的分辨力,使彼此难以分辨的多个输入信号电压中的最大(小)者与其它输入电压间的差距在输出端加大变得易于分辨。
Operational amplifier is the most versatile signal conditioning block in any portable system. It can be a filter, an amplifier, an voltage detector, a level shifter, a buffer or even a switch.
对于便携式电子产品来说,运算放大器可算是万能的信号调节电路,因为它可以执行滤波器、放大器、电压感测器、电平移位器、缓冲器、甚至开关等多种不同功能。
Demonstrating Electric Meter, Model J0403 has 14 ranges. It can serve as current detector in the experiment demonstration, measurement of micro current. DC voltage and DC resistance.
J 0403型高中演示电表共有十四档量程,供教学演示实验中作检流计,测量微小电流,测量直流电压、直流电阻。
Demonstrating Electric Meter, Model J0403 has 14 ranges. It can serve as current detector in the experiment demonstration, measurement of micro current. DC voltage and DC resistance.
J 0403型高中演示电表共有十四档量程,供教学演示实验中作检流计,测量微小电流,测量直流电压、直流电阻。
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