primary constant

Some theoretical and simulated conclusions have been summarized, which will be helpful for the experimental investigation. Finally, the primary power supply of high-current repetitively pulsed accelerator driven by constant-voltage charging and constant-current charging is investigated.

同时，论文对恒压充电与恒流充电两种直接供电方式驱动强流脉冲加速器重频运行的初级能源进行理论和模拟研究。

Transformer's DC resistance measurement is one of the primary item before transformer leaving factory and precautionary test. The inherent time constant of transformer is quite long, so it is very important to study how to shorten the measuring time.

电力变压器直流电阻测量是变压器出厂及预防性试验的主要项目之一，但电力变压器固有的时间常数较大，研究缩短电力变压器直流电阻的测量时间具有重要意义。

In addition, according to the evaporation mechanism, two methods of the equivalent temperature dropping and the constant temperature evaporating are used to deal with the effect of water sprayed on the cold side of primary heat exchanger.

此外，应用焓参数匹配的基本思想和水蒸发的物理机理，提出了当量温降法与等温蒸发法处理初级热交换器冷边的喷水效应。

The constant current coulometry was established for determination of aromatic primary amine drugs.

用恒电流库仑法测定芳伯胺类药物含量.

Primary Study on the Test Method of Constant Moment Gieseler Fluidity

恒力矩基氏流动度试验方法初步研究

The elaboration of relevant theory research home and abroad provides further proof of the value of this research. Next, the author is able to gradually construct a tailor-made PBI Model for primary school through constant research and practice.

国内外的相关理论研究的阐述进一步证实了本研究的价值。其次，在作者不断的研究和实践过程中逐步构建了适合小学的项目探究性学习的一般模式。

The circuit principle, parameters and some problems of primary power supply driven by constant-voltage charging are analyzed, and the similarities and differences between the primary power supply based on capacitor of energy storage and constant-voltage charging are discussed.

对恒压充电实现重频运行初级能源回路的电路设计、工作原理、参数选择、稳压问题进行分析，并比较了与储能电容方式实现重频强流脉冲加速器初级能源的异同。