查询词典 heat unit

3 BTU: British Thermal Unit, a unit of heat that will increase the temperature of one pound of water one degree Fahrenheit.

BTU：英国热量单位，也就是把一磅水的温度增加1华氏度的单位热量。

This paper presented a practical mathematical model of coordinated control object of supercritical pressure unit, adopting observer to estimate coal heat value, and design a synthetic coordinated control system with state feedback based on increment function observer-KDx, PID, intelligence control and British thermal unit.

该文给出超临界机组协调受控对象的一种实用数学模型，采用观测器预估燃煤的热值，设计一种基于增量式函数观测的状态反馈+串级PID+智能控制+热值补偿的综合型协调控制系统。

Squeezing and preparing a plate underframe and a upper holdfast with support legs respectively, pre-sintering and final finishing the underframe and upper holdfast respectively, then welding the underframe and the upper holdfast of upper holdfast into one unit, finally heat treating the welded one unit product under the temperature of 150-650DEG C.

分别挤压制成一个平板形底架和一个带有支撑腿的上支架，将底架和上支架分别预烧结、精整，然后，再将底架和上支架的支撑腿烧结焊成一体，最后在150～650℃的温度下将焊接为一体的产品进行热处理。

Patented products - water, air-cooled heat recovery units, water-source heat pump units, air-cooled screw cold water unit, the constant temperature and humidity units, the modular clean air conditioning units, cooling towers, air-conditioned box, fan - Tube, shell and tube heat exchangers, and so on more than 10 specifications of the series of hundreds of civilian central air-conditioning products.

拥有专利产品——水冷、风冷式热回收机组，水源热泵机组、风冷螺杆式冷水机组、恒温恒湿机组、组合式净化空调机组、冷却塔、空调箱、风机盘管、壳管式热交换器等十多个系列上百种规格的民用中央空调产品。

Denote heat. In engineering applications, the unit of heat is the J. The amount of heat

1-7 热量热量是热力学系统和外界之间仅仅由于温度不同而通过边界传递的能量。

Compound lead salt stabilizer to further enhance the thermal stability in order to reduce the amount of resin in the unit: Organic tin heat stabilizer dibutyltin in greater toxicity, are not suitable for plastic heat stabilizer; Mercaptans by organotin anti - Cu-poor, it is not appropriate in the wire, cable products, but no contact for copper products is no problem; lead salt-type heat stabilizer in most industrial countries are being banned or restricted.

复合铅盐稳定剂应进一步提升热稳定性能，以减少在树脂中的单位用量：有机锡热稳定剂中的二丁基锡毒性较大，不适宜用作塑料热稳定剂；硫醇类有机锡因抗铜性差，不适宜在电线、电缆制品中使用，但用于不接触铜的制品是没有问题的；铅盐类热稳定剂在大多数工业发达国家正在被禁用或限用。

A multi-function heat pipe type adsorption ice maker, which uses activated carbon-CaCl2 as compound adsorbent and ammonia as refrigerant, was designed.For this test unit, the heating, cooling and heat recovery processes between two adsorbent beds were performed by multi-function heat pipes.

设计了一种基于多功能热管的高效吸附式制冰机组，采用氯化钙/活性炭复合吸附剂和氨作为吸附工质对。

By setting up the mathematical models of the regulating objects （combusting heat transfer, heat utilization and storage, superheater and main steam pipe line）, by combining heat transfer function of regulating system and by selecting method of setting PID accoding to set attenuation index object, the corrections among PID and pulverized coal＇s caloric values are found. Now the PID can be set according to caloric values of the pulverized coal burned in the unit and the automatic control can be put into operation.

通过建立调节对象四个环节（燃烧传热过程、热量的利用和储存过程、过热器、主蒸汽管道）的数学模型，结合调节系统的传递函数，选用按给定衰减指数设定PID参数的方法，找出PID参数与煤粉热值的关系式，最终达到在机组燃烧不同热值的煤粉时可依据该方法设定不同的PID参数、并都能投自动的目的，从而有利于提高机组的稳定性，并可节约煤粉。

The main works are listed as follows:1 Thermal Computi ng model of steam pipe network were built with good match to actual operating dataThe thermal calculation model of steam pipe network was established according to the steam pipe network heat transfer characteristics and the thermal equilibrium principle,. It includes steam temperature drop expression, the expression of per unit length heat loss when steam pipe laying in different ways and total heat transfer coefficient expression.

该模型由管内蒸汽温降方程、不同敷设方式蒸汽管道的单位长度散热损失方程、总传热系数方程等组成，利用散热损失计算公式对钢套钢蒸汽保温管道不同敷设方式、不同管径的散热损失等总传热系数的影响因素进行了分析，计算结果表明三方程联合求解提高了新建蒸汽管网热力计算的准确度，可用于新建蒸汽管网的热力计算。

Experiments and researches show that the radial heat pipe is of a well-isotheral performence, satisfied heat power conductivity and high heat transfer limit(with the comparison of the unit with and without wick).

通过试验和研究表明：径向热管作为传热管具有良好的等温性、功率传输性能和较高的传热极限，并比较有、无吸液芯的性能差别，径向热管换热器已广泛用于硫磺制酸余热回收装置省煤器。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。