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Research on the Differential Voltage Protection for High Voltage Shunt Tank Capacitor;

箱式高压并联电容器电压差动继电保护的探讨

This paper reviews the applicability of the two expressions of the box model on Urban Agglomeration Development Plan for Chengdu Plain.

本文讨论了大气环境箱式模型的两种表达方式在成都平原城市群规划中的适用性,并采用箱式模型计算成都平原城市群主要城市的大气环境容量,通过对不同假设条件的用地布局方案的大气环境容量计算和比较,对规划方案确定的南北轴线主要城市空间发展提出了限制性条件,使规划方案符合大气环境容量的要求,以确保环境空气质量目标的实现。

Based on the principle of conservation,using the box model to analyze the changing law of(pollutant) concentration in the box along with the time and space.

通过对川西古镇大气环境污染特点的分析,根据箱体内污染物“物质守恒”原理,以箱式模型为基础,推导出箱体内污染物之浓度随时间和空间的变化规律,建立了适合于川西古镇大气环境容量的数值计算模型。

With the box model,2D ADI tidal current equation and convectiondiffusion model,the exchange time of Xunjiang bay water is computated.

采用箱式模型、二维ADI流体方程和对流 扩散模型计算浔江湾海水交换时间,分析浔江湾的水动力特点和湾内海水交换时空分布的特点。

Micrometeorological methods and enclosures/chamber methods for estimating the forest CO_2 flux were introduced in this paper.

介绍了测量森林生态系统CO2 通量的微气象法和箱式法。