闸

The main contents of this report include:(1) I nvestigation and analysis of the current status and characteristics of economic development, electric power consume and electric load in North China, Northeast China, Northwest China, East China, and Central China from 2000 to 2004;(2) Indexes and contrast analysis of major power networks load characteristic in China;(3) Analysis of Major effect factors for load characteristics, including development level and structure of economic, structure of electric power consumption, geographical and climatic environment, DSM, electrovalence, load shedding and so on;(4) Change trend analysis of major power networks load characteristic in China;(5) Target forecast of major power networks load characteristic in China in the tenth five-year plan;(6) Main conclusions and suggestions.

主要内容包括：(1) 2000 ～ 2004 年华北、东北、西北、华东、华中五大电网经营区域经济发展现状及特点、用电现状及特点、电力负荷特性现状调研分析；(2)我国主要电网负荷特性指标对比分析；(3)影响我国负荷特性的主要因素分析，包括经济发展水平及经济结构、用电结构、地理环境及气候因素、需求侧管理、电价拉闸限电等对电网负荷特性的影响分析；(4)我国主要电网负荷特性变化趋势分析；(5)"十一五"期间我国主要电网负荷特性指标预测；(6)主要结论及建议。

Make up of a new accessorial shaft elevator electrical control system .

文中阐述了凡口新副井提升机电控系统的结构和功能，对信号系统、多功能数字深度指示系统、主控制系统、晶闸管直流调速系统、计算机监控系统进行了详细的分析和论述，重点阐述新一代国产提升机电控系统的特点、优点。

For Dirichlet problem of elliptic type equations,Chen[7]has proved the existenceof viscosity solutions under nature structure conditions.As for the oblique derivativeproblems,Ishii[6]has obtained the existencec results.But there is no result ofthese types on parabolic type equations.

对于椭圆型方程的第一边值问题，陈亚浙[7]用闸函数方法证得在一定的结构条件下定解问题存在连续粘性解，而斜微商问题的同类结果是Ishii[6]证得的，但对于抛物型方程似乎还是个空白。

This is your" emergency brake " and your" safety valve" to protect you when the market reverses.

当市场转向时，它就是你的"紧急制动"和"安全阀"。紧急刹车开关；紧急闸开关

The C-V curves shows that the NiTiO3 gate dielectric can achieve a thin capacitance equivalent thickness and high gate capacitance density.

此外，由电容电压曲线图可看出钛酸镍介电质具有较薄的电容等效厚度与较高的闸极电容密度。

On the basis of Erne river intake of floodway , the method of hydraulic design and calculation for great flood diversion gates is studied .

本文结合入海水道二河分洪枢纽，对大型分洪闸的水力设计和计算方法进行了有益的探讨，并将其研究成果应用于二河新闸的水力设计。

The need to extract every last bit of useful life lout of slide gate valve refractories has never been more important than it is today.

在需要提取的每一个滑动闸阀耐火材料使用寿命糊涂人的最后一位从来没有比这更重要的今天。

It is proved that the electrical device and executer of solied soft starter is equivalent to a reactance.

1前言固态起动有两个类别：晶闸管软起动和磁控软起动。

According to the requirements of the glass furnace, this system is proposed to use computer and PLC build up into one new control technique. Using this system, the technical requirements of varying of Petroleum, Pulverized Air and Exhaust Fume in the operation are guaranteed effectively. The system has overcome the disadvantage of the traditional control system.

本文针对玻璃熔窑运行过程中的要求，采用计算机控制技术与PLC组合成一新型的控制系统，快速准确地实现生产过程的控制，有效的保证了运行过程中重油、雾化气、助燃风及废气闸板的换向要求，以实现火焰换向的自动化控制。

Our factory has rich experience in design and manufacture, newly developed in recent years water gate valve exhaust the various series.

我厂具有丰富的设计制造经验，近几年新开发的水利闸门，排风系列各种闸阀。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。