This article depicts two pretreatment cooling methods for gas desulphurization,present their flow and compare their characteristic.
介绍了焦炉煤气脱硫前的2种预冷方法:直接冷却法和间接冷却法。
The Technology Demonstration of Portable Forced-Air Pre-cooling;
移动式差压预冷机的研制与示范初报
Effects of pre-cooling conditions on qualities of strawberries with different maturity levels;
预冷条件及采摘熟度对草莓品质影响的研究
Study on pre-cooling of fruit and vegetable in mini-cold storage;
微型冷库内送风方式与果蔬预冷的研究
Discussion of precooling operation of propylene jar at low temperature;
对低温丙烯贮罐预冷操作的探讨
Analysis of cold air fluid field in precooling-box for pressure-difference precooling of tomatoes;
番茄压差预冷箱内流场分析
The effect of the different precooling and vase solution on preservation of Iris xiphium L. var. hybridum cv. Rosarlo after cutting;
不同预冷方式及保鲜液配比对荷兰鸢尾切花采后保鲜的影响
To master the liquid helium transfer method correctly is of a great important sig-nificance in economy for reduction of the liquid helium precool amount, full use of the liquidhelium cool amount and increase of the transfer efficiency of liquid helium In this paper the construction and use demands of the liquid helium transfer tubes,liquidhelium precool and transfer methods are presented.
正确掌握液氦输送方法，对减少液氦预冷量、充分利用氦气冷量和提高液氦输送效率有着十分重要的经济意义。
J - T loop is precooled by two - stage pulse tube cryocooler in order to obtain liquid helium temperature.
系统设计用两级脉冲管制冷机预冷小型节流制冷机以获得液氦温区环境。
DESIGN OF 4 K STIRLING TYPE PULSE TUBE CRYOCOOLER WITH PRECOOLING
带预冷的4K斯特林型脉管制冷机设计
Precooling Evaporative Condenser's Heat-transfer Mechanism and Experimental Investigation
预冷型蒸发式冷凝器传热机理与实验研究
Research and application of twice air-cooling technology of concrete aggregates
混凝土预冷二次风冷骨料技术研究与应用
THE EXISTENT PROBLEM OF PRECOOLER AGITATOR AND ITS SOLVING MEASURE
预冷釜搅拌器存在的问题及解决措施
Theoretical Simulation and Experimental Studies of Column Vegetables during Vacuum Cooling;
柱状蔬菜真空预冷的理论与实验研究
cold water shrinking machine
[呢绒]冷水预缩机
adjustable condenser (pre set)
可调式（预调式）冷凝器
GRNN Based Hourly Cooling Load Prediction of Ice-storage Air-conditioning
基于GRNN的冰蓄冷空调逐时冷负荷预测
Measure and Predict Microbial Flora of Chilled Meat;
冷却肉表面微生物的检测及预测预报
OPERATION OF DYNAMIC ICE THERMAL STORAGE SYSTEM WITHOUT PRE-HEATING
过冷水式动态冰蓄冷系统的无预热运行
Predictive System of Microorganism in Chilled Meat During Selling Process;
冷却猪肉在流通领域中的微生物预测预报
An Early Warning System for Predicting Cool Weather Damage to Rice Production in Heilongjiang Province
黑龙江省水稻低温冷害预测预警系统的研究
Late autumn contains intimations of a harsh winter to come.
萧瑟深秋预示寒冷的冬天即将到来。
a cold wind announced that night was near.
冷风预示着夜晚就要来临。
Before being passed back to the boiler, the condensate should be preheated.
冷凝液在送回锅炉之前必须进行预热。
Therefore the winter" cures a cold warm", the prevention cold attackis necessary.
故冬“去寒就温”，预防寒冷侵袭是必要的。
On American "Humanitarianism Intervention" after the End of Cold War
论冷战结束后美国的“人道主义干预”
Setps can be taken to make provision against a severe winter.
对寒冷的冬天可以采取预防措施。
