Analysis on Relay Protection Change-over during By-pass Substitution Operation in 220 kV Transmission Line 220kV变电站旁路代送线路操作继电保护切换分析
In popular symmetric ciphers, the S-box substitution is the core operation that dominates the execution of cryptographic algorithms. S盒代换是大多数对称密码算法的核心操作,加快S盒代换是提高密码编码处理速度的关键。
Substitution Operation of Petri Nets Petri网替换运算
Specific examples were cited to analyze the mistakes and causes in the use of integration by substitution, and the general method was pointed out to avoid such kinds of mistakes in operation. 通过实例分析了在换元积分法中容易犯的一类错误及其产生的原因,指出了在解题中避免产生这类错误的一般方法。
The coordination during the substitution of full hip is to prepare well psychological nursing, the operation articles and instruments, as well as the nursing after operation and instrument coordination in operation. 全髋置换术的术中配合主要是做好手术前的心理护理和物品、器械的准备,手术中的器械配合以及手术后的护理工作。
Short-term financing bills market will help commercial banks improve asset structure and management, accelerate the upgrading of business models. At the same time short-term financing bills market has negative impacts on commercial banks, such as the substitution effect and possible increase of operation risk. 企业短期融资券在优化商业银行资产结构、促进盈利模式的调整、提高银行资产管理能力和经营效率的同时,对商业银行短期贷款产生替代效应,增大银行经营风险。
When it used substitution method to verify electronic truck scale, in order to ensure its correctness, credibility and normal operation, we should closely pay attention to the errors which produced at verification work. 用替代法检定电子汽车衡时,为保证其准确可靠,正常运行,应密切注意检定工作中产生的误差。
The social pension insurance system being pursued has problems such as delay in rural pension insurance, indistinct disparities in substitution ratio, operation of empty account and so on. 而正在推行的社会养老保险制度存在农村养老保险滞后、替代率差异不明显、空帐运行等问题;
Substitution of the mechanical resin filling equipment made by ourselves for the manual resin filling operation is introduced briefly. The Substitution keeps the operator from all dangers of altitude working and realize the safety and high efficiency. 介绍了以自制的树脂装填设备替代人工操作来完成树脂的装填工作,避免了人工操作带来的高空作业危险性,实现了树脂装填工作的安全、高效。
Adopting substitution method in electricity experiments can not only eliminate the systematic errors induced by the inner resistance of the electric meters, but also simplify the operation when the results of the measurements are processed. 替代法测电阻利用替代法测量电学物理量,不仅可消除由电表内阻影响所带来的系统误差,同时也使测量结果的运算简化。
Conclusions: Surgical resection of cervical tracheal carcinoma with artificial tracheal substitution operation can increase the resectability of cervical tracheal carcinoma and promote the survival quality of the patient with tracheal carcinoma. 结论:使用人工气管替代颈段气管肿瘤切除后的长段缺损,可明显提高手术切除率和改善患者的生存质量。
The Application on Substitution of Equivalent Infinite Small in Algebra Sum's Limiting Operation 无穷小量的等价代换在代数和的极限运算中的应用
The formulae of truncation operation, the elongation operation, the deletion operation, the insertion operation, the translocation operation, the transformation operation and the substitution operation of DNA subsequences are also deduced. 推导出DNA序列的延长运算、删除运算、缺失运算、插入运算、转位运算、换位运算和置换运算等的运算法则。
The substitution of variable crown elevation tailrace tunnel for surge chamber not only can guarantee the safe operation of the powerplant and reduce the investment but also can avoid unfavorable influence of intensively distributed large span underground chambers on the stability of the surrounding rock mass. 用变顶高尾水洞取代调压室,既可保证电站的安全运行和减小工程投资,又避免了大跨度洞室群分布密集给围岩稳定带来的不利影响。
Pension substitution rate is an important indicator of pension insurance, not only because it effects the operation of the basic pension insurance fund, but also it reflects the living standard that the insurance pay and provide to the retired employees. 养老金替代率是基本养老保险制度的一个重要指标。它不仅影响着基本养老保险基金的正常运行,而且也反映了养老保险制度对退休职工生活的保障程度。
Substitution reaction of Br-carried with liquid bromine and NBS, which to compare the two methods in yield and operation, improve yeild and optimize the method. 3. 分别用液溴和NBS进行Br-的取代反应,比较了两种方法的收率和操作,提高了收率,优化了方法。
As a substitution, a graduate and compatible reformation path seems more practical and improves the operation efficiency of electricity market. 作为一种替代思路,一种渐进相容性的改革路径似乎更容易得到切实有效实行,并且同时提高电力市场的运行效率。