查询词典 medium frequency

Studied on micropropagation of Pistacia vera showed: the suitable medium that will support excellent growth of Pistacia vera was the Murashige and Skoog medium supplemented with 2. 0 mg. L〓 6-BA and 0.05mg. L〓 NAA, but the frequency of shoot-tip necrosis which reached to 36. 4 percent in 35 days is high. Instead MS medium with Driver-Kuniyuki-Walnut medium, the frequency of shoot-tip necrosis were declined from 36. 4 percent to 9. 3 percent.

组织培养试验发现：以MS为基本培养基，添加2.0mg.L〓 6-BA和0.05mg.L〓NAA可增大繁殖系数和加速生长，但茎尖干枯率高，培养至35天时干枯率达36.4％；以DKW培养基为基本培养基进行增殖培养，35天时干枯率仅为9.3％，茎尖干枯率降低了27.1％。

Scientific and strict management staff coupled with high-quality work style, so we are confident that we have the ability to guarantee product quality, in the Medium Frequency regulation peer leader.

科学严谨的管理加上高素质员工的工作作风，使我们有信心有能力保证产品的优良品质，在同行中频率调节处于领先地位。

Medium frequency quenching machine has 5, the annual capacity of over 10,000 tons IF.

有中频淬火机床5台，年中频能力过万吨。

Based on medium frequency and high power inverter, one digital control system of multi-cell-cascaded inverter power supply is studied in detail in this paper.

本文针对中频大功率逆变电源，对多单元串联逆变电源的数字化控制系统进行了研究。

Nowadays, the medium frequency power supply has already been widely applied in each domain, especially in induction heating industry.

目前中频电源已广泛地应用于各个领域，在感应加热工业中尤为突出。

In order to reduce the weight and voltage stages in the converter, medium frequency link strategy is used.

在逆变器的交-交变频部分，用双路PWM脉冲进行变频，通过修改控制策略，能对负载侧的能量进行反向传送。

The medium frequency inverter starting arc unit that is formed of inverter and double voltage way are introduced.

介绍了一种用逆变方式和倍压整流方式构成的中频逆变式引弧器，并对其工作原理及参数设计进行了分析。

A medium frequency pulsed starting arc unit, which consistS of a voltage dowble is introduced in this paper, and its working principle and parameter design are also analyzed.

本文介绍了一种用倍压整流方式构成的中频脉冲引弧器，并对其工作原理及参数设计进行了分析。

The general statistical results of the study indicated that Chinese senior high school students in general employed a variety of learning strategies to study English at a medium frequency level.

这也说明，恰当的、经常性的策略运用有助于提高语言学习成绩。学习策略是提高成绩的一个重要因素。本文的研究也存在一些局限性。

To meet the requirements for high performance of medium frequency inverter in special applications,a hybrid control scheme based on repetitive control and PI control is proposed.

针对中频逆变电源的特殊应用领域和对其较高的性能要求，提出了一种基于重复控制和PI控制的复合控制策略，并建立了中频逆变电源的数学模型，详细分析了重复控制系统的原理和结构，重点阐述了重复控制系统中的重复控制发生器和补偿器的设计方法，最后建立了该复合控制的系统框图。

Graf, without question, is the greatest women's player in history.

格拉芙，现在，毫无疑问是女子网坛历史上最伟大的选手。

If not, you will have to look around at all your important data.

如果没有，您将需要检查所有的重要数据。