致冷

Due to the advantages of light weight, cryogen needlessness and low cost, the uncooled infrared focal plane arrays is rapidly developing for wide commercial and military applications.

中文摘要：非致冷红外热成像仪具有重量轻、无需致冷、成本低等优点，有广泛的军用和民用市场，是热成像技术的发展方向。

Magnetic refrigerant material is the core of magneto-cooling technique.

磁致冷材料，是磁致冷技术的核心。

In order to control the temperature of the laser-diode ,a semiconductor cooler ——— PELTIER is applied and the technique of fuzzy and PI control method are adopted either.

利用半导体致冷器对大功率激光二极管进行致冷和精密温控，采用模糊控制与PI 控制相结合的方法，构造了激光二极管的全固态致冷系统。

In this system, the mathematic model of infrared thermometry calculation is established, and appropriate formulas for error analysis and calculation are obtained.

本文结合红外测温技术和非致冷焦平面热成像技术原理，开发并完成了一套非致冷红外焦平面热成像测温系统。

As a new technological refrigerant instrument with high functional reliability and pollution-free, semi-conductor refrigerant instrument can be extensively used in small-power temperature-control system, such as automobile cold-hot bin ,cold-hot drinking trough and refrigeration of chips in microcomputer, etc.

作为一种技术先进，可靠性高，又无污染的制冷新器件，半导体致冷可以广泛应用于各种小功率温度控制系统。例如便携式汽车冷暖箱，冷热饮水机，微机芯片的致冷等等。

Application: CFC-11 is a refrigerant(0℃ to 10℃grade )applied in the air conditioners with centrifugal, cyclo compressors, It is also used as foaming agent for polyurethane foam.

主要用途： CFC-11是一种高温致冷剂，能使环境温度控制在0～10℃之间。主要用于离心式、回旋式压缩机空调制冷装置中的致冷剂，还大量用作聚氨脂泡沫塑料的发泡剂。

Authorities, is a pollution-free, noise-free new refrigeration technology, has reached The international advanced level products, has developed more than 40 kinds of products, 80 percent of exports abroad, mainly used for drinking fountains, car refrigerator, cosmetics frozen refrigerator, infrared detector, thermostat bath, CCD camera, computer chips cool, Dewpoint meter, portable and well-being of me, automotive refrigerators, medical and biological equipment, Dehumidifier, electronic air conditioning, and so on.

广州市越秀区中星电子是专业生产经营：温差电致冷组件的知名企业，产品经美国权威机构认证，是一种无污染，无噪音的新型致冷技术，已达到国际产品的先进水平，目前已开发40多种系列产品，80％出口国外，主要用于饮水机、汽车冰箱、化妆品冷藏冰箱、红外探测器、恒温槽、CCD摄象机、计算机芯片冷却、露点仪、便携式冷暖箱、车载冰箱、医学及生物仪器、除湿机、电子空调等方面。

A refrigerant is circulated in a closed cycle through the first heat exchanger to heat the PLNG, through a pump (36) to pressurize the refrigerant, through a second heat exchanger to vaporize the refrigerant, and through a work-producing device (37) to generate energy.

一致冷剂在一封闭回路中循环通过第一热交换器以加热PLNG，通过一泵（36）以对致冷剂加压，通过一第二热交换器以气化该致冷剂，及通过一加工设备（37）以产生能量。

The paper showed a set of temperature detecting and control system based on singlechip digital temperature sensor and solid relay.

并研究开发了一套基于单片机控制为核心，数字式温度传感器，半导体致冷片，以及固态继电器配合使用的微机芯片温度检测致冷控制系统。

Firstly the article briefly introduces the basic principle, the key technology of magnetic refrigeration and the development of magnetic refrigerants.

本文首先就磁致冷的基本原理、磁制冷关键技术、磁致冷材料的发展等问题做了简要的概述。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。