By use of the variation law of COP with the evaporating temperature and the Bin parameters in Beijing region,develops a mathematic model of the lowest work temperature considering economical efficiency as objective function,and discusses the solution for this model.
空气源热泵机组供热存在一个最低工作温度,在分析热泵的核心部件压缩机的热力学性能基础上,得出了压缩机适合的最低工作温度,并利用COP随蒸发温度变化的规律和北京地区的Bin参数,建立了以经济性为目标函数的最低工作温度数学模型,同时进行了求解分析。
Experiments found that due to improper control of minimum application temperature for water emulsion coatings,finish quality in Shanghai area was affected considerably.
通过实验发现因对水乳型涂料的最低施工温度控制失当 ,使上海地区涂饰质量受到了影响。
The total coefficient of performance and the optimal operating temperature of the solar collector of the system are derived.
基于有限时间热力学理论和集热器的线性热损模型,研究了热阻及工质内部不可逆性对太阳能热泵系统优化性能的影响,导出了系统的总性能系数及集热器的最佳工作温度。
This product is used as sheath in communications cable,controlling cable, signal and optical fiber cable which usually have strict requiements on anti environmental stress cracking.
适用于耐环境要求较高的通信电缆,控制电缆,信号电缆和光缆的护层,最高工作温度70℃。
a maximum [minimum] thermometer
最高 [最低] 温度计
The average temperature falls between the highest and lowest points of heat and cold.
平均温度是指最高温度和最低温度之间的温度。
additional manual reset hi limit - requires heater to be manually reset upon over-temperature condition.
附加人工预置高温限制---用于人工设置热水器的最高温度限制。
(2) Maximum bed temperature.
北京化工大学博士学位论文(2)床层最高温度;
Service conditions-line media, temperature, and maximum operating differential pressure.
应用环境-管路流体介质,温度和最大工作压差。
the maximum temperature, voltage, volume
最高温度、 最高电压、 最大体积
maximum assessed fuel element temperature
燃料元件最高设定温度
mean daily maximum temperature
逐日最高温度平均值
High efficiency liquid cooling system for optimum engine operating temperature- includes compact liquid cooled oil cooler.
高效率的液冷却系统为引擎提供了最佳的工作温度—他甚至还包含了一个紧凑的机油冷却器。
maximum operating water depth
最大工作(水)深度
records the highest and lowest temperatures reached during a period of time.
记录在一定时期的最高温度和最低温度的温度计。
Hardness was decreased after maximum by high temperature heating.
高温加热硬度达最大硬度以后保温硬度降低。
run until the normal working temperature is reached.
运转到温度达到正常的工作温度。
The new liquid crystals feature wide working temperature range, low voltage operation and high reliability.
新型液晶的特点是:工作温度范围宽,工作电压低,可靠性高。
Too high temperature of the operating temperature or chemical gas in the operating ambience will cause hoses cracking.
工作环境温度过高或工作空间有化学气体,可能会导致软管龟裂。
bubble memory operation temperature
磁泡存储器工作温度
The Causes and the Processing Methods of Different Maximum Surface Temperatures between the Manual Observation Station and Automatic Station
地面最高温度人工站和自动站相差大的成因和处理方法