1) practical criterion
实用判据
1.
Based on the analysis of the main existed criterions of hot crack of resin sand molds or cores and cause of veining defect on castings and the results from the experiment,a new practical criterion of hot crack on the surface of resin sand molds or cores and cause of veining defect of casting is presented.
对树脂砂型(芯)铸件产生脉纹缺陷的现有判据进行了分析,在实验研究的基础上建立了树脂砂型(芯)热开裂及其铸件产生脉纹缺陷的实用判据。
2.
This paper presents a new practical criterion for voltage stability based on the real-time information at the substation and the quasi-time information from power system.
给出了基于变电站实时信息和电网准实时信息的电压稳定性实用判据。
2) practical dynamic security criterion
实用动态安全判据
1.
As a result,a practical dynamic security criterion is introduced via power perturbation analysis,considering the transient energy tolerance at the fault-clearing time as the index of transient stabi.
动态安全域在电力系统在线安全监视与控制方面有着广阔的应用前景,从动态安全域的定义出发,应用微分动力系统定性理论及电力系统暂态能量函数的相关概念,对注入空间上的动态安全分析进行了阐述;进而以事故清除时刻系统的暂态能量裕度作为稳定性判别指标,借助功率扰动分析的方法推导出了电力系统注入空间上的实用动态安全判据。
3) universal criterion
通用判据
1.
This article means to study the calcualtion formula of universal criterion for the redox titration and the application of this calculation formula of universal criterion is discussed.
推导了一个普遍适用于各类氧化还原滴定的通用判据计算式,并对该通用判据计算式的应用进行了讨论。
4) practical judgment
实用判别
1.
Discussion on practical judgment of short-pier shear wall
短肢剪力墙实用判别的探讨
5) An objective appraisal.
据实的判断
6) criterion of validity
适用性判据
1.
The criterion of validity for large temperature difference air-conditioning system which includes evaluating indexes and methods is discussed.
利用热工基本理论和同等初投资能耗比较法,对中央空调中的主要设备进行变工况分析,推导出各种大温差中央空调适用性判据。
补充资料:BCS超导电性判据(BCScriterionforsuperconductivity)
BCS超导电性判据(BCScriterionforsuperconductivity)
BCS将产生吸引的电-声子相互作用强过排斥的电子间屏蔽库仑相互作用作为超导电性的判据:
-V≡〈`-\frac{2|M_bb{q}|^2}{\hbar\omega_bb{q}} \frac{4\pie^2}{K^2}`〉平均<0
式中Mq为电子发射或吸收一个波矢为q的声子的单散射中的电-声子矩阵元,$\hbar\omega_bb{q}$为声子能量,K2=q2 Kc2,Kc-1为库仑屏蔽长度,e为电子电荷。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条