1) two step addition method
两步流加法
2) TSAS
两步附加刚度法
1.
Overcoming the inability of Forcing Decoupling method(FD),this paper presents a new method——Two-Step-Additional-Stiffness method(TSAS) to calculate the translation-torsion coupling seismic response of the symmetric structures with asymmetrically viscous dampers.
克服强行解耦法(FD)不能求解对称结构由于不对称安装粘滞消能器而产生平扭耦合地震作用的不足,提出了一种求解该种情况下的平扭耦合地震反应的新方法———两步附加刚度法(TSAS)。
4) two step addition process
两步加料
1.
On the basis of patent of dilithium initiator, SBS with molecular weight distribution 1 13～1 25 was synthesized by two step addition process with dilithium as initiator, cyclohexane as solvent and tetrahydrofuran as polar additive.
以北京化工大学已取得专利的双锂活性短链为引发剂，环己烷为溶剂，四氢呋喃为极性添加剂，采用两步加料的方法合成了相对分子质量分布在１１３～１２５之间的ＳＢＳ。
5) two-step commutation
两步换流
1.
According to its particular leakage current characteristic, a two-step commutation strategy for RB-IGBT based on input voltage magnitudes detection is proposed.
采用新型开关器件逆阻式IGBT(RB-IGBT)实现了一台3kW的三相/单相矩阵式变换器样机,并针对RB-IGBT独特的漏电流特性,提出一种基于输入电压大小检测、适用于RB-IGBT的两步换流方法。
2.
Detailed analysis and description on space vector modulation and two-step commutation were given, and a prototype matrix converter was built.
对矩阵变换器的空间矢量调制法以及半自然两步换流技术进行了分析及阐述,同时研制了一套矩阵变换器样机。
3.
A novel two-step commutation method is proposed to ensure the reliable commutation between two bi-directional switches.
提出了一种新颖的两步换流策略实现了双向功率开关间的可靠换流。
6) two-step process
两步法
1.
The flame retardant type magnesium hydroxide has been prepared with brine,halide,and magnesium chloride hexahydrate as raw materials by two-step process(i.
以卤水、卤块和六水氯化镁为原料,采用两步法即氨水沉淀-水热处理过程制备出氢氧化镁阻燃剂。
2.
Two-step process and current development of furfural production are discussed.
针对这些问题,本文在对糠醛的生产原理、所用催化剂及一步法的生产工艺进行了概要介绍的基础上,重点对两步法糠醛生产工艺以及糠醛生产工艺的最新进展进行了讨论。
3.
Small molecular drugs with carboxyl were PEGylated via degradable ester bonds by two-step process.
以烟酸、苯甲酸、对硝基苯甲酸三种临床上有意义的小分子药物为模型药物,通过两步法把这类带有羧基的小分子药物以可降解的酯键连接到聚乙二醇(PEG)上,产物收率达80%~85%。
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