The cold-heat cycle underground is closely related to the hydrogeological characteristics of various rock and soil stratum (aquifer) when groundwater source heat pump system is running.
地下水源热泵系统运行期间，地下冷热量循环过程与地下不同岩土层（含水层）的水文地质特征密切相关。
An example of heat cycle calculations for a type 51-50-3 turbine is presented.
文中还附有对51-50-3型汽轮机所作的一些计算结果。
Somewhere between day 21 and 28, a queen will act as if she's returning to a heat cycle.
在第21天到28天之间，母猫会表现得好象又进入了发情期。
The R phase transformation gradually comes to stability with cool-heat cycle time increasing.
R-相变进行的程度随着冷热循环次数的增加逐渐趋于稳定。
The microstructure and properties of X80 steel will be changed greatly because of heat cycle in welding process.
X80管线钢在焊接过程中，热影响区由于受到焊接过程热的作用，其组织和性能会发生较大的变化。
On the basis of the finite time thermodynamics, the change of entropy due to the external irreversibility in engine heat cycle process was discussed.
应用有限时间热力学理论研究了发动机热力循环过程中由于外不可逆性导致的熵的变化。
The software for welding heat cycle was developed successfully, based on some classical mathematic models and measured data and programmed appropriately by LabVIEW7.
为了验证薄板焊接温度场数值模拟的正确性，应用虚拟仪器技术设计了一套焊接热循环动态检测系统。
In the compressor suction mouth increase a gas-liquid separator is the effective way to solve this problem, especially in the inverse heat cycle defrosting the heat pump units.
在压缩机吸气口增加气液分离器是解决这个问题的有效办法，尤其是在采用逆循环热气除霜的热泵机组中。
The infrared measuring temperature technique as non-contact measuring temperature method can reflect the heat cycle process of the temperature change along with time of the weldment.
作为非接触测温的红外测温技术，能够真实地反映出焊件在焊接工艺中的温度随时间变化的热循环过程。
Using the finite element method, a mathematical model of temperature field for weld-repaired zone of white cast iron is constructed, and temperature field and heat cycle are analyzed.
应用有限元方法建立了白口铸铁焊接接头焊补温度场的数学模型，对白口铸铁焊补温度场和热循环进行了分析。
Introduce the main technical features and process flow of heat-cycle urea process. Also put forward some Suggestions for the expansion of heat-cycle urea plant.
该文介绍了热循环尿素工艺的主要技术特点及工艺流程，并就该工艺的特点对水溶液全循环法尿素生产装置的增产节能改造提出了参考意见。
This dissertation is one of the sub-problems of "Computer Dynamic Test and Calculation of Welding Heat-cycle", which is a project on natural science fund.
本文是自然科学基金项目“焊接热循环的计算机动态测试与计算”的一个子课题。
This dissertation is one of the sub-problems of "Computer Dynamic Test and Calculation of Welding Heat-cycle", which is a project on natural science fund.
本文是自然科学基金项目“焊接热循环的计算机动态测试与计算”的一个子课题。
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