This article discusses the damage of interior residual stress to the low temperature equipment and heat treatment technology for the low temperature equipment.
文中重点叙述了低温设备内残留应力的危害,低温设备热处理的方法、工艺和加热温度的确定。
The results show that fatigue, creep and oxidation damage always develops simultaneously during low cycle fatigue at high temperature.
试样的微观断口分析显示了在高温应变疲劳试验中同时存在疲劳、蠕变和氧化损伤。
In this paper the relationship between the temperature and crop yield was analysed and the causes, types, indexes and distribution of low temperature damage on crops were noted.
本文分析了温度与粮食产量的关系,指出了作物遭到低温危害的原因、类型、指标及其地域分布规律。
The primal problem in low temperature and shallow gas reservoirs is to overcome the break, the flowing back, and the damage of the fracturing fluids.
对埋藏浅、储层温度低的油气藏进行压裂改造,需要解决压裂液低温破胶、快速返排和伤害问题。
It is shown that the temperature of the fiber with low absorption coefficient is comparatively low and the temperature distribution is very smooth, so the thermal damage can be effectively avoided.
结果表明,低吸收系数光纤泵浦端温度相对较低,分布较为平缓,有效减缓光纤的热损伤。
RCCA is treated by super low temperature. The result shows that VEC of RCCA is removed completely, without the damage of the internal elastic membrane of RCCA.
本研究以兔颈总动脉(RCCA)为材料,采用超低温方法处理RCCA,结果显示此法能够完全去除兔血管内皮细胞层,且血管内弹性膜毫无损伤。
In a controlled chamber stress experiment, we tested the damage index and mortality of cuttings caused by low temperature of 54 short-rotation eucalypt clones.
本试验共测定了54个短周期桉树无性系在人工气候培养室中的低温胁迫伤害指数和死亡率。
The study of damage of low temperature brittleness on high manganese steel has been carried out by theoretical analysis and a series of impact tests.
通过理论分析和系列冲击试验,对高锰钢出现的低温脆性损坏进行了分析研究。
This research raised the method in risk assessment of low temperature and cold damage, drought and flood disaster based on information diffusion theory.
基于信息扩散理论提出直接估计低温冷害、干旱和洪涝的风险评估方法,以低温冷害为例,将计算结果与风险指数法和主观频率法做比较。
If the ambient temperature is too low, then when the instrument get warm (rising to normal temperature), humidified vapor will be formed inside, which will damage the circuit board.
如果温度过低,当仪器温度升高(至常温)时,仪器内会形成潮气,这样会毁坏电路板;
The utility model has the advantages of low deposition temperature, no high-energy ion impact damage, large deposition area, simple operation, microcomputer programmed control, energy saving, etc.
具有淀积温度低,没有高能离子撞击损伤,淀积面积大,操作简单,微机程序控制,节约能源等优点。
The sustained low temperature stress causes the increases of damage degree and reductions of cold resistance abilities in the plants.
持续的低温胁迫,导致植物受低温伤害的程度增加,抗寒能力降低。
Low temperature retarded acid working fluid and mid-high temperature retarded acid working fluid have good anti-corrosion, anti-secondary damage, anti-swelling capacity and so on.
低温缓速酸工作液和中高温缓速酸工作液均具有优良的防腐蚀、防二次伤害、防膨等能力。
The results indicated that the preparation of optical films of fiber laser, effectively raise the laser damage threshold, and solve the problem of the film firmly under low temperature deposition.
结果表明,本文制备的光纤激光器光学膜,有效的提高了激光损伤阈值,解决了低温冷镀的膜层牢固性问题。
Storing Waxapple fruit under low temperature could cause cold damage.
低温贮藏可能造成莲雾果实发生寒害。
Storing Waxapple fruit under low temperature could cause cold damage.
低温贮藏可能造成莲雾果实发生寒害。
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