Monitoring and Control System for Triphase Power Supply
三相 专用电源 屏的监测与控制系统设计
High power facility or triphase facility can be ordered together with transferring testing box .
大功率设备或 三相设备可定制转换测试箱。
Study on Triphase-Transfer catalytic esterification of quaternary ammonium resin ─ triphase catalytic synthesis for benzyl acetate
季铵树脂的三相相转移催化酯化的研究&乙酸苄酯的 三相催化合成
A Research in Interpretation Method for Triphase Flow & Using Downhole Scale Method
三相流动解释方法的研究&利用井下刻度的方法
Synthesis of α - butyl phenylacetonitrile was studied using PS-PEG-400 and PS-TBA as triphase phase transfer catalysts .
利用固载化聚乙二醇和固载化季铵盐作 三相相转移催化剂,催化合成了α-丁基苯乙腈。
Meanwhile in allusion to the problem of uniform triphase chopping circulating current in DC side dynamic share current control strategy was employed .
同时针对直流侧 三 重化斩波 三相电流环流问题, 确立采用动态电流均流的控制策略。
Triphase catalysts offer many advantages associated with heterogeneous catalysts such as easy separation from the reaction mixture and reusability .
三相 相 转移催化剂 表现出非均相催化剂的许多优点,比如,容易从反应混合物中得以分离,便于重复使用。
This instrument is designed to measure compute and analyse the triphase voltages and currents without mechanical characteristic temperature noise and magnetic field etc.
论文设计的装置主要完成对 电机 三相电压电流等电参数的测量、计算和分析,而不 涉及对 电机的机械特性、温度、噪声、磁场等测量。
Aim at the design of six lines triphase signal source based on DDS technology the design methods of hardware and software were given out .
针对基于DDS技术的 三相六通道信号源设计,给出了系统的硬件设计及软件设计方法。
The results show that the triphase catalysts exhibit excellent catalytic activity and reusability .
结果表明,这 类催化剂具有良好的催化活性和重复使用性能。
It indicates that the density correction is necessary to obtain a correct total triphase flow rate .
三相流下要获得准确的流量还需进行密度校正。
The protection circuit when the power is operated greatly and asymmetrically of motor thus keep the safe operation of triphase asynchronous motors .
设计了电动机在功率极大不对称运行时的保护电路,同时该保护电路对 缺 相运行也能起到保护作用,从而确保了 三相异步电动机的安全运行。
With the obtained kinetic models the alkylation reactors of benzene with ethylene over β zeolite have been simulated . A triphase reactor model was proposed and then its resolution was obtained by means of Runge-Kutta method .
建立了苯与乙烯在β沸石催化剂上烷基化反应的 气 - 液 - 固 三相反应器 数学模型,并应用变步长的Runge-Kuta法给出了模型的解。
A study on the behavior of triphase foam
三相泡沫特性的研究
- Sliding-Ring Wrapping Type of Triphase Asynchronous Motor and Its Stepless Speed Change
六滑环绕线式 三相异步电动机与无级调速
The technologies for synthesis ofp-nitroanisole by using the triphase catalytic method and synthesis ofp methoxyaniline by use of reduction of synthesized p-nitroanisole were studied .
本文着重介绍了用 三相催化法制取对硝基苯甲醚,再经还原制备对氨基苯甲醚的工艺,并对催化剂的用量和回收利用作了探讨。
Synthesis of thio ethers and thiocyanic acid esters using triphase catalysis
芳香族对称硫醚和硫氰酸酯的 三相催化合成
After introducing the basic principle of phase transfer catalytic technology the characters of liquid-liguid phase transfer reaction solid-liquid phase transfer reaction and triphase phase transfer reaction are discussed including commen catalyst .
介绍了相转移催化技术的基本原理,分别讨论了液-液相转移催化反应、固-液相转移催化反应和 三相催化反应的特点。
Study on synthesis of terephthaloyl dichloride by triphase phase-transfer catalysis
三相相转移催化合成对苯二甲酰氯的研究
The response of turbine flowmeter to oil-water-gas triphase flow rate is experimented in horizontal well models .
对涡轮流量计在模拟 井中水平条件下获取的实验数据从不 同 气流量、同一含水率下的油水总流量与涡轮响应的关系;
The Comparing Study of Triphase Diphase and Uniphase Incremental Helical CT in Gastric Carcinoma
胃癌螺旋CT 三 期、双 期和单 期增强的比较研究
Study and application of a low Carbon-Low alloy triphase steel
低碳低合金 三相钢的研究与应用
By introducing directly triphase parameters and considering stator current as control variable the state equations of induction motor have been derived in this paper .
本文提出 绕 线型异步机转子量 变换到 兰 相定子 轴系 的 变换式,并用它导出用转子 磁链和实际定子量 表达的状态方程。
The phase contents of the powder standard specimens containing dual-phase or triphase with different chemical compositions have been analyzed quantitatively by Mossbauer effect .
本文用透射穆斯堡尔效应定量分析了化学成分不同的两相及 三 根粉末标样中的相含量。
The total accuracy of triphase incremental helical CT in determining TNM staging was 81.8 % .
螺旋CT 三期 增强 扫描对胃癌 TNM分期的准确性为81.8%。
Soft Starter to Triphase Asynchronous Motor with High Frequency AC-ovonics-based Power Converter
双向开关高频变换型 三相异步电机软起动器
In this paper the constitutive equations of triphase medium model were derived and the finite element equations of this model were also given . ( 4 ) The chemo-mechanical coupling model of triphasic medium was applied to the polymer gel .
推导了 三相化学-力学耦合模型的本构方程,并写出了线性本构关系推导了有限元方程。(4)把三相化学-力学耦合模型应用到聚合物胶体材料。
This paper first reports the synthesis and applications in hydrolysis and etherification of a new polymer supported quaternary ammonium resin which is an effective triphase catalyst .
本文首次报道一种新的高分子固载季铵树脂的合成及其在水解、成醚反应中的应用,此树脂是一种有效的 三相催化剂。
It can be used either in two phase system or in triphase system .
既可用在 三相系统,也可用在两相(或单相)系统。
It is proposed that to adopt a triphase transfer catalyst may solve these problems .
提出了解决该问题的 途径 之一是采用 三相转移催化剂。
美['traɪfeɪz]英['traɪfeɪz]
adj.三相的