low-temperature environment

Technology Support Measures for Construction of Long-distance Pipeline at Low-temperature Environment

低温环境下长输管道施工的技术保障措施

Numerical Calculation of Moist Air Parameters of Thermodynamic State in Low-temperature Environment

低温环境下湿空气状态参数的数值计算

Impact and measures for vehicles in low-temperature environment

低温环境对车辆使用的影响及对策

Study on the starting property of gas-engine in the plateau low-temperature environment

内燃机在高原低温环境中的起动性能研究

Effect of Low-temperature Environment on Contents of Serum Protein , Blood Sugar and Calcium in Rabbits

低温环境对家兔血清蛋白、血糖和钙含量的影响

With comprehensive analysis , two-stage compression cycle is applied to air-source heat pump to adapt to the low-temperature environment .

本文通过综合分析，选择将两级节流中间不完全冷却双级压缩循环应用于空气源热泵热水器以适用低温工况。

As a special form of the supply chain , each link of the entire cold chain process must ensure that in the low-temperature environment .

冷链物流作为一种特殊的供应链形式，整个供应链流程各环节都要保证处于规定的低温环境中。

The heat pump system with flash-tank can effectively improve the efficiency and reliability of air-source heat pumps running in low-temperature environment .

带闪发器的热泵系统可以有效地改善空气源热泵在低温环境下运行的制热性能和运行可靠性。

It is more accurate of test temperature control and higher degree of automation compared to the existing similar low-temperature environment test equipment of wide plate tensile .

相比现有的同类宽板拉伸试验低温环境装置，试验温度控制更加精确，自动化程度更高。

However , under low-temperature environment , the general air-source heat pump encounters some problems such as low efficiency , high compression ratio and unstable operation .

但成熟的普通空气源热泵技术在低温环境下，仍然面临许多问题，例如系统运行效率低、压缩比过高以及运行不稳定等。

Inhibition of Bax expression in low-temperature environment is conducive to reduce apoptosis in brain injury that has the potential value to improve efficacy of treatment .

抑制Bax表达对减轻低温环境颅脑损伤细胞凋亡、提高疗效有着潜在的治疗意义。

But there are some shortage of ordinary single-stage heat pump in low-temperature environment , such as high compression ratio , devoid heating power and low efficiency .

但普通单级空气源热泵热水器在低温环境下运行中存在压缩比过大、制热量不足和制热效率太低等问题。

By dropping its special temperature , RMR and improving its body heat insulation , Crossopiilon mantchuricum is adapted to the low-temperature environment .

褐马鸡通过降低特定温度、基础代谢率和增加机体隔热能力来适应低温条件；

Heat pump is such a equipment that it can make the heat from the low-temperature environment transfer into high-temperature environment . Although a certain amount of power is consumed , energy-saving effect is significantly .

热泵是这样一种装置，它可以把低温环境中的热量，转移到高温环境当中，虽然耗费了一定的电能，但是节能效果明显。

In the wide plate tensile test , the low-temperature environment box is researched and development firstly which combination of the EVA board , automatic temperature control system , automatic liquid nitrogen irrigation system and temperature measure sensor of the sample surface .

在宽板拉伸试验中，首次研制和开发了由EVA板、自动环境温度控制系统、自动液氮灌注系统和试样表面温度传感器相结合的低温环境箱。

But SSH model also has some limitations , such as the atomic lattice classical treatment for low-temperature environment . When lattice vibration will lead to the emergence of a large number of phonons at high temperatures . , classical treatment will be a great error .

但该模型也具有一定的局限性，如将晶格原子经典处理，适用于低温环境，高温下晶格振动会导致大量声子的出现，经典处理就会带来很大误差。

Zinc oxide seed layer has been introduced as growth units in the ITO conductive glass to grow zinc oxide nanostructures in a low-temperature hydrothermal environment .

引入氧化锌种子层作为生长基元，在ITO导电玻璃上低温水热生长氧化锌纳米结构。

The two years operation indicates that the Al-Ti-diffused steels offer excellent corrosion resistance performance in low-temperature wet H2S environment in refinery process units .

两年的试验结果表明，铝钛共渗钢在炼油装置的低温湿H2S环境中具有良好的耐腐蚀性能和抗磨蚀性能，应用前景广阔。

The reversing valve loss includes three parts : refrigerant leakage loss from high-pressure side to low-pressure side , pressure loss caused by the flow resistance of irregular flow passage , and heat transfer loss from high-temperature side to low-temperature side / environment .

四通换向阀的损失包括四通阀内部高压侧制冷剂向低压侧制冷剂的泄漏损失、四通阀内部不规则流道产生的流动阻力压降损失、高温高压侧向低温低压侧及环境的传热损失三部分。

Meanwhile , methane autothermal reforming is more suitable for the initial segment of micro-combustion with low-temperature and lean oxygen environment in the use of heat , hydrogen production and carbon deposition reduced .

同时，甲烷/湿空气自热催化重整在热量利用、氢气产量及减少积炭等方面更适合于微燃烧初始段的低温和欠氧环境。

Through a nozzle atomizer , water is sprayed into the evaporation chamber of low-temperature and low-humidity air environment to exchange heat and make evaporative cooling . Eventually , it reaches a predetermined subcooling temperature , releases the subcooling state after the cold-releasing equipment , and then becomes crystals .

蒸发过冷室是该制冰系统的关键部件，水通过喷嘴雾化进入蒸发室的低温低湿空气环境中进行换热与蒸发降温，最终达到预定的过冷温度，经过冷解除装置解除过冷成为冰晶。

Introduce the domestic and foreign standards and methods to evaluate low-temperature properties , synthesize plastic and flow principles of environment friendly lubricants and finally reach a ground that illustrates the low-temperature flowability of environment friendly lubricants . 3 .

介绍了国内外评价低温性能的指标和技术方法，对润滑油的粘塑性流变机理进行了理论推导，从而找出解释环境兼容润滑油低温流变特性的根据。

Analyze the flow activation and low-temperature jellification theories that well illustrate the low-temperature properties of environment friendly lubricants , then study and discuss in perspective of molecule the low-temperature flowability of environment friendly lubricants .

分析了可以用于解释环境兼容润滑油低温性能的流动活化理论和低温成胶理论，从分子的角度分析讨论了环境兼容润滑油低温流变特性。