机组

On the basis of the thermal balance equation,specific inner work equation,cyclic heat absorption equation of a thermal system and the standard coal-consumption calculation formulae of power generation,derived was a general calculation model featuring the influence of lower terminal temperature difference of a heater on the coal consumption of a power plant.

根据热力系统热平衡方程、比内功方程、循环吸热量方程及发电标准煤耗率计算公式，导出了加热器下端差对机组煤耗影响的通用计算模型；并且在考虑到加热器下端差的影响的基础上，改进了以往的建模方法，得到了更为完善的加热器上端差对机组煤耗影响的通用计算模型。

The test results show that the dehumidification system affords around 50% of the total load in humid days and 40% in dry days.

测试结果表明，在室外潮湿的情况下，溶液除湿机组提供的冷量约占所需冷量的 5 0 %；在室外相对干燥的情况下，除湿机组提供的冷量约占所需冷量的 40 %。

New type of water chemistry for utility drum boiler and its principle and characteristic Two kinds of water chemistry's main principle and characteristic are detailedly analyzed. Against the problem of high eroding speed, high Fe content in feed water and boiler water, high scaling speed, short chemical cleaning interval, needing poisonous chemical deoxidant, etc for drum boiler's deoxidization water chemistry and difficulty of using oxidation water chemistry, a new type of water chemistry is put forward on the basis of analyzing the characteristic of whole power station's water steam cycle system, principle of two kinds of water chemistry and their practical effect in every cycle stage. Considering two water chemistry's merit, a new water chemistry called Limited Oxidation Water Chemistry is put forward, which is a local slight oxidization no-deoxidant water chemistry. And the proposed method's principle, control parameter, applying condition, start-lay up and emergency measures are initially calculated and analyzed.

三、新型汽包炉水化学工况的提出及其原理和特点详细分析了国内外现行两大类水化学工况处理的核心原理和特点，针对现行汽包炉还原性水化学工况处理所存在的系统腐蚀速度相对较大、给水和炉水铁浓度高、锅炉结垢速度快、机组酸洗间隔短、无法避免有毒化学除氧剂的使用以及氧化性水化学工况在汽包炉机组上应用的困难等问题，在详细分析电站整个水蒸汽循环系统的特点、两类水工况处理的原理和对循环中各段处理的实际效果等的基础上，综合两者的优点，提出了一种新型的局部轻微氧化性无除氧剂汽包炉水化学工况－"汽包炉有限氧化性水化学工况"处理原理，并初步计算、分析和确定了该种新型水化学工况的主要工艺控制参数、应用条件、启停与紧急情况处理等。

The flight crew oxygen system is a high pressure gaseous system for flight crew use only, this type of system is designated a "diluter demand" system .

机组氧气系统是一个仅供机组使用的高压气态系统，这种系统被称为"稀释要求"系统。

Based on the development of steam automatic drain-er,investigates the applied status of automatic drainer on the domestic units and the imported units.

根据蒸汽自动疏水器的技术发展，详细调研了国产机组与进口机组自动疏水器的应用现状，发现其间存在着较大差别，并对自动疏水器的应用现状进行细致的分析，提出了应用自动疏水器的节能意义以及具体应用的建议。

GY also produces metal embosser machine, three roller calendering machine, plastic extrusion assembling machine, filming machine, plastic extrusion plate production line, PVC plate production line, embossing devices etc.

公司还生产金属压花机、三辊压光机、塑料流延膜机组、涂膜机组、塑料挤出板材生产线、PVC片材机生产线，压花装置等机械类产品，且出口欧洲、非洲诸国，并已通过CE-marketing认证。19楼空间JCANh

GY also produces metal embosser machine , three roller calendering machine , plastic extrusion assembling machine , filming machine , plastic extrusion plate sheet production line , PVC plate sheet production line , embossing devices etc .

公司还生产金属压花机，三辊压光机，塑料流延膜机组，涂膜机组，塑料挤出板材生产线

In order to improve the reliability of the nuclear Generating Sets and the stabilization of the power system, prevent the long time low frequency oscillation caused by the disturbed of the outside electrical net, assured improving the stabilization margin of the nuclear generating sets in the precondition of enough transient stability, validate the sensitivity of the parameter to the damping of Generating Sets of the MEC5220 digital excitation adjustor produce in Japan that used in the Second Project of Qinshan Nuclear Power Plant, confirm the parameter rationality of the digital excitation adjustor, optimize the parameter of PSS, in this paper, we put up a in-depth study to the principle of MEC5220 digital adjustor produce in Japan by the PSS/E software that develop by the PTI Company in the USA, completed the modeling of the excitation adjustor, PSS, generator, excitor, described the performance of this excitation adjustor, analyzed the essential reason that caused the low frequency oscillation, illuminated the factor that influence the damping characteristic of the MEC5220 digital excitation adjustor. Based on model and emulate, this paper optimized the primary parameter of the excitation adjustor, make a reasonable regulation to the PSS parameter.

为提高核电机组的运行可靠性和接入系统的安全稳定性，防止在外电网的干扰下核电机组发生长时间的低频振荡，保证机组在暂态稳定的前提下提高其稳定裕度，验证秦山核电二期核电机组所配日产MEC5220型数字式励磁调节器参数对机组阻尼的灵敏性，确定数字式励磁调节器的参数的合理性，优化PSS整定参数，本文利用美国PTI公司研发的PSS／E软件对日产MEC5220型数字调节器的原理进行进行了深入细化的研究，完成了励磁调节器、PSS、发电机、励磁机的建模，描述了该型励磁调节器的性能，分析了产生低频振荡的根本原因，阐明了影响阻尼特性的因素。

Based on the air-cooled condenser of a 300MW unit, the factors that affect the exhaust steam pressure were analyzed.

以300MW直接空冷机组空冷凝汽器为例，分析了反映机组运行性能的汽轮机背压的影响因素。

Vibration and other fault of hydroelectric set is the main factor that affect the power set to run safely and stably.

水电机组的振动以及其它故障是影响机组安全、稳定运行的主要因素。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。