The heat period appears at regular intervals.
其发情期有一定的间隔时间。
Earlier research by other scientists found that when Turkey toms were heat stressed during the last five weeks of their rearing period, the lower quality PSE characteristics surfaced.
其他科学家们所做的一项较早的研究发现在最后五周的培育期内，将雄火鸡的……，低质量肉类的PSE特征会开始显现。
If they transmit heat to our cells, they can damage tissue over a long period of time.
如果磁场加热了细胞，就会对我们的组织造成长期性的损伤。
Vehicles spend a period of time in an Open Loop air-fuel ratio programming until the oxygen sensors heat up to proper operating temperature of approximately 316 degrees Celsius.
汽车需要在开环空燃比程序上花费一段时间以达到氧传感器的工作温度大约为316摄氏度。
Because of considering the influence of ground surface, the finite model can be used for analyzing the long period heat transfer process.
而有限长的传热模型由于考虑了地面作为传热边界对地下传热过程的影响，能够用来分析长时间的传热分析。
It USES basin simulation technique to simulate the heat evolution stages of various geologic period of hydrocarbon source rock.
利用盆地模拟技术模拟烃源岩各地质时期的热演化阶段。
Short heat shock had a significant inhibiting effect on root growth, which varied from the period treated at, temperature treated on and time treated for.
短时间热激处理显著抑制棉花幼苗根系生长，但抑制程度随热激处理时期、温度、时间不同而异。
The influence of milk yield on trace elements in blood, milk and hair in the period of the heat stress and non heat stress were studied.
研究产奶量对热应激和非热应激期间奶牛血液、乳、和毛中微量元素的影响。
As for hydraulic tunnel lining concrete, thermal stress is one of important factors that cause concrete cracks, due to the heat of hydration of cement in the construction period.
对于水工隧洞衬砌混凝土，在施工期由于水泥水化热作用，温度应力影响显著，是产生混凝土结构裂缝的重要原因之一。
The design method of regenerator temperature change and switching period is studied on the basis of the exact solution of heat transfer between gas and solid phases in a honeycomb regenerator.
基于蜂窝蓄热体气-固传热精确解，研究蓄热体温度变化和切换周期设计方法。
The objective function of the optimization is the saving present value per unit heat consumption during the calculation period.
目标函数为计算期内单位供热量的节约额现值。
However, the existing heat meters in the actual operation exposed the shortcoming of too much power which leads to the short using period of the meter.
但是，现有热量表的功耗过大，致使热量表使用周期过短，给用户带来了极大的不便。
With the growing of explosion heat, the explosion pressure sharply increases during energy releasing period, and rapidly attenuates after the flame is distinguished within gas cloud.
爆热越大，气云区内部爆炸压力在能量释放过程中增加得越快，在能量释放完毕以后衰减得也越快。
Equipped with cycle device in the air or the oil heat treatment furnace in certain temperatures: thermal insulation for a period of time.
在装有循环装置的空气炉或油槽中进行热处理：一定温度下保温一段时间。
The heat rollers can become torn or warped after a period of time causing an image defect.
热辊可以成为撕裂或扭曲后，在一段时间内造成的图像缺陷。
Disclosed is a method for preparing a casting material resistant to fire with high heat strength, outstanding resistance to heat vibration and long service period.
本发明公开了提供一种热态强度高、抗热震稳定性好、使用周期长的一种耐火浇注料的制备方法。
It is found that the floor surface temperature variety exponentially with time after the change of water condition, and the heat lag in the heating period is about half of that in cooling period.
发现供水状态变化后，地板表面温度随时间呈指数变化，升温期的稳定时间约为降温期的一半。
Grape seedlings in a short period of time results with rapid resist heat mechanism.
实验结果表明在短时间内葡萄幼苗具有快速抗热的机制。
The heat treating process was improved for the malleable cast iron, in accordance with its long annealing period, coarse graphite, residual carbide, lower mechanical properties and limited serve life.
针对可锻铸铁退火周期长、石墨粗大、碳化物消除不彻底、退火工件力学性能低和使用寿命短的问题，对它的退火工艺进行了改进。
The effect of natural gas price and electric power price on the economics (payback period) of the combined cold, heat and power system is analyzed in this work.
文章从经济性角度（回收期）分析了天然气和电力价格对冷热电联供系统推广应用的影响。
Ground water heat pump; Energy-efficiency; Cost-effective; Payback period.
地下水源热泵；节能性；经济性；回收期。
This FBG sensor system can monitor temperature fluctuation of ground-source heat pump for a long period, and the monitored results accord well with theoretical ones.
该光纤光栅温度传感系统对地源热泵长期工作状态进行了监测，监测结果与理论计算结果符合很好。
In starter-making and prior period of fermentation, without heat energy provided by outside environment, enzymes in cells hardly activate and microbes rarely breed.
在制曲及发酵前期，如没有外界提供的热能，细胞的酶难以激活，微生物难以生育。
Cyclic spray of condensing water not only extends continuing operation period of portable air conditioners (PACs), but also strengthens heat transfer performance of condenser.
凝结水的喷淋循环技术不仅延长了移动式空调器连续使用时间，而且强化了冷凝器的传热效果。
When yoga practice is sustained with great diligence and dedication over a long period of time, the heat generated from it burns away these poisons, and the light of our inner nature shines forth.
当瑜伽练习是非常勤奋和奉献精神持续了相当长的时间内，从它产生的热量烧毁这些有毒物质，和我们内心深处自然之光闪耀。
Especially during 0-1000km, long-period of full open of throttle should be avoided to prevent over-heat of engine Therefore, please read following content carefully, and carry it out earnestly.
特别是在0至1000公里期间，应避免长时间地满开油门以防止发动机过热，因此，请仔细阅读下面的内容，并认真予以执行。
It is suggested that ETAI might be taken as a better index to evaluate and predict the level or effect of heat training during training period.
因此，锻炼期间ETAI的大小是预测耐热锻炼效果的一个较好指标。
The cause of postoperative fever, especially postoperative damp-heat, in the cases of craniotomy was studied by investigating the TCM symptoms in the peri operative period.
以围手术期中医症状为切入点，探讨开颅患者术后发热、尤其是湿热发热的成因。
The cause of postoperative fever, especially postoperative damp-heat, in the cases of craniotomy was studied by investigating the TCM symptoms in the peri operative period.
以围手术期中医症状为切入点，探讨开颅患者术后发热、尤其是湿热发热的成因。
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