查询词典 continuous current

The invention discloses a DC/DC circuit, comprising a PWM controller, a current amplifier, a peak current comparator, an error amplifier, a main switch, a synchronous switch and also an operational amplifier. The non inverting input end of the operational amplifier is used for coupling with input voltage or voltage reference, or used for coupling with the input voltage and the voltage reference; the inverting input end of the operational amplifier is used for coupling with the voltage reference or ground, and the output end thereof is connected with the non inverting input end of the error amplifier.

本发明公开了一种DC/DC电路，包括PWM控制器、电流放大器、峰值电流比较器、误差放大器、主开关和同步开关；还增设运算放大器，其同相输入端用于与输入电压或基准电压耦合，或用于同时与输入电压和基准电压耦合；其反相输入端用于与基准电压或地耦合，其输出端与所述误差放大器的同相输入端连接。

In this paper the pulse measurement used to measure the pulse ionization electron current for electron impact ion source of time of flight mass spectrometer was discussed, the shortcoming of average current measurement was analyzed, and the practical measuring circuit of the pulse was given.

本文讨论了脉冲测量技术在飞行时间质谱计电子轰击离子源中测量脉冲离化电子流的应用，分析了平均电流测量方法测量脉冲离化电子流的局限性，给出了实际的脉冲测量电

For the current in the ionization chamber is not amplified, so it is hard to collect the electric signal, in this paper, a direct I/F convertor is used to convert the electric current signal into frequent signal.

由于电离室本身不对电流放大，因此信号的采集较为困难，本文另外介绍了用I/F直接变换的电路以达到信号的转换。

In this article,with the voltage between the probes of a spark plug,ionization currents with different knock intensities of the engine are measured successfully in the experiments on a DA462-A four-cylinder gasoline engine.According to the character of the ionization current four indexes are chosen to analysis the obtained data.It is clear that the resultants by the calculation of ionic current are different with different knock intensities of the engine.

通过在火花塞电极两端加偏置电压的方法，在DA462-A型4缸汽油机的台架试验中，成功地检测出汽油机在不同爆震强度时的离子电流信号，并根据离子电流信号的特征选用了4种爆震强度评价指标，经分析计算表明各工况爆震强度的合理递进顺序。

The system function of automatic description of current velocity isogram has been developed in the end.By using this system software, this dissertation did calculation on the sea-closure engineering of DongBidao, Fujian Province, in which hydraulic elements such as the current velocities of cut-off dike and outside slope, thus providing comprehensive data support for scientific research.

基于开发的围海堵口仿真计算系统模型，本文运用该系统软件对福建省东壁岛围垦工程进行实例计算，并增加了对截流堤内、外边坡流速等水力要素的分析研究，为堵口合龙提供了更为全面的科学参考依据。

According to the basic principle of telluric current prospecting and general formula of derived subsurface leakage, three dimensional distribution of relative errors about the earth resistivity and plane isopleth map were put forward,with the maximum value of leakage current allowable by" The Technical Specification on Geoelectric Observations".

根据电法勘探的基本原理。参考已推导出的线对地漏电的基本公式。给出了《地电观测技术规范》允许漏电电流最大值时的电阻率相对误差三维分布图及平面等值线图，并讨论了其分布特征

Current, company of summit of a person of extraordinary powers has 20 undergraduates to jackaroo inside the enterprise, li Yao expresses, to the current situation with undergraduate bad obtain employment, the company will induct obtain employment actively.

目前，豪峰公司就有20名大学生在企业内实习，李尧表示，对于大学生就业难的现状，企业将积极吸纳就业。

Analyzing the various problems of current steady-state operation life test standard, it is pointed out that, not measuring and controlling, transistor junction temperature in current transistor steady-state operation life test can lead to fatal inaccuracy of the test results.

在分析了现行标准中晶体管稳态工作寿命试验方法存在问题的基础上，认为在现行的稳态工作寿命试验中没有对晶体管的结温实施测量和控制，是导致试验结果不准确的重要原因。

When she told her current employer about the higher salary offer, it countered with a considerable increase in her current salary to keep her on board.

她告诉当前雇主，其他公司开出了更高的薪水。于是当前雇主对她目前的薪水进行了大幅度

When she told her current employer about the higher salary offer, it countered with a c*****iderable increase in her current salary to keep her on board.

她告诉当前雇主，其他公司开出了更高的薪水。于是当前雇主对她目前的薪水进行了大幅度调整来把她留住。

"The operators will suffer a temporary decrease in the number of consumers and short message services as people may not like having to provide their ID cards for a phone number," Xu Junqi, vice-dean with the Policy-Making Institute of the Telecommunications Research Centre under MII, said yesterday.

信息产业部下属的通信决策研究院副主任徐俊其昨天说：&实行手机实名制后，人们可能不太情愿用身份证注册手机号，所以通信运营商会暂时面临用户减少和短信用户减少的问题。&

I don't believe in make-believe!

我不相信这些虚构的故事。