文章介绍了高可靠性电力二次系统建设方案。
The construction scheme of a highly reliable electric secondary system is presented.
本文我们分为四个部分对二次系统同宿环及其相关问题作一些研究。
This thesis devotes to study the homoclinics of quadratic systems and their revelent problems. The content is divided to four parts.
电力生产控制区二次系统漏洞修补属于安全防护工作中必不可少的重要组成部分。
Vulnerability repair of electric power production and control area secondary system is a necessary and important part of security protection work.
随着计算机网络通信技术在电力二次系统中的广泛应用，网络安全问题越来越突出。
With the widely application of the computer network communication technology in the power secondary system, network security problems become more and more striking.
二次系统有界性研究对于了解该系统的定性性态甚为重要，但二次系统有界性的结果尚不够完整。
The study of bounded quadratic differential systems is very important for its qualitative behavior. However, the results on boundedness of quadratic differential systems have not been completed yet.
同期系统是水电站一个重要的二次系统，同期系统接线是否正确必须通过同期系统安装和调试来保证。
Synchronization system is an important secondary system. Whether or not the connection is correct depends on the installation and debugging of the Synchronization system.
直流输电的控制和保护二次系统是国产化的重点，而脉冲发生器是控制和保护系统中的关键技术之一。
The heart of HVDC link is its control and protect system, and my work is focused on firing-pulse generator―an important part in the control and protect system .
为了提高变电站二次系统的设计与管理水平，研究了基于IEC 61850标准的数字化变电站二次系统精细化管理模型。
To improve the design and managing level of the digital substation secondary system, a refined management model for digital substation secondary system based on IEC61850 is studied.
根据电厂二次系统的特点，生产控制大区被分为控制区(安全I区)和非控制区(安全II区)，各分区包含不同的具体业务。
According to the characteristics of the two system of the power plant, the production control area is divided into the control area (safe I area) and the non control area (safe II area).
在鞍结分岔的参数范围内证明了具有鞍结分岔的二次系统都存在同宿轨道，得到了同宿轨道的解析表达式及其幅值与分岔参数的关系。
It was proved that there exist homoclinic trajectories of a quadratic system in the range of the parameter of the saddle node bifurcation.
该方法在建立二次系统抽象模型的基础上进行安全风险分析和安全措施配置，目的是促进安全工作组之间的交流，保证对大系统进行安全体系设计的质量。
The method begins with establishing an abstract model for a secondary system, and then performs the security risk analysis and countermeasure configuration, the purpose being to facilitate...
在20世纪40年代，空中交通管制中心能够而且确实利用了第二次世界大战中新研制的雷达和改进的无线电通讯，但是这个系统还处于初级阶段。
In the 1940s, ATC centres could and did take advantage of the newly developed radar and improved radio communication brought about by the Second World War, but the system remained rudimentary.
它可以搜集系统初始化过程中的性能数据，然后在一条时间线上对其进行二次处理。
It collects performance data during the system initialization process, and then post-processes the data into a time line.
不幸的是，这个浴缸不是一个具有二次加热系统和循环射流的温泉式浴缸，而是一个简单的水容器。
Unfortunately, the bathtub is not a spa-style tub with a secondary heating system and circulating jets, but rather a simple water containment vessel.
由于二次调节的开环不稳定特性，必须为其设置自动调节系统。
Automatic regulation must be added owing to the unstable characteristics of the open loop secondary system.
其目标是采取一个能够控制通风的低能耗施工方法（在教室进行通风），包括自然二次通风系统的设计。
The object was implemented in a low energy construction method with controlled ventilation (displacement ventilation in the classrooms) including the design for a natural secondary ventilation system.
第二次平台转型——从昂贵的大型机到包括个人电脑在内的“分布式”计算系统——IBM侥幸逃过一劫。
The second platform shift-from costly mainframes to "distributed" computing systems, including pcs-was a much closer shave.
NiLFS(2)是日本Nippon Telegraph and Telephone（NTT）开发的一种日志结构文件系统的第二次迭代。
NiLFS(2) is the second iteration of a log-structured file system developed in Japan by Nippon Telegraph and Telephone (NTT).
由于采用了双阀孔结构设计，在最大压差下排放凝结水的同时，还有一个为二次蒸汽系统设计的预设压差系统在工作。
Because of the dual-orifice design, there is a preset controlled pressure differential for the secondary steam system, while maximum pressure differential is available to discharge the condensate.
停堆初期（第一阶段）的冷却过程：通过蒸汽发生器将反应堆冷却剂系统的能量传输给二次侧的蒸汽。
The initial phase of reactor cooldown is accomplished by transferring heat from the reactor coolant system to the steam and power conversion system through the steam generator.
这是世界第三大的行星，拥有环系统，这是第二次发现的土星。
It is the third largest planet and has a ring system, which was discovered second to Saturn's.
本文给出了连续系统中计算二次型性能函数对反馈系数阵的一阶和二阶灵敏度的全套公式。
A set of formulas for the computation of quadratic performance function associating with first and second-order sensitivities of feedback coefficient matrix is given in this paper.
PCV系统将窜漏进曲轴箱的混合气引入进气系统，然后在燃烧室内进行二次燃烧。
PCV system will be a mixture of leaking into the crankcase leap into air intake system in the combustion chamber, then a second combustion.
本文给出在中国分类之下二次微分系统有中心时两种情况的通积分。
We give general integral of quadratic differential system with center in two cases under the Chinese classification.
本文以某型燃气轮机透平第一级叶片的二次空气系统为研究对象。
In this thesis, the first stage secondary air network system of a gas turbine is studied.
该软件包具有模型变换、系统分析、极点配置控制、最优控制、次优控制、LQG、二次型权矩阵早优和系统仿真等功能。
The package has the functions of modelling, system analysis, pole-placement control, optimal control, suboptimal control, LQG, selecting quadratic weighing matrices and system simulation etc.
采用机理分析和统计分析的方法，建立了二次风系统非线性动态模型，并通过仿真验证了模型的有效性和准确性。
Utilizing mechanism analyzing and statistical analyzing methods, a dynamic model of secondary air systems has been constructed and its effectiveness and accuracy validated by simulation.
采用机理分析和统计分析的方法，建立了二次风系统非线性动态模型，并通过仿真验证了模型的有效性和准确性。
Utilizing mechanism analyzing and statistical analyzing methods, a dynamic model of secondary air systems has been constructed and its effectiveness and accuracy validated by simulation.
应用推荐