我不喜欢坐在冷气孔下的位子上。
测定了涂层抗拉强度、膨胀系数、一定条件下的磨损体积、气孔率等性能。
The properties of coatings. e. g. tensile strength, expansion coefficient, wear volume under given conditions and porosity, etc. were tested.
在温度和送料速度的协调控制下,通过调节气压参数可有效控制气孔结构。
With the cooperative control of drawing temperature and feed speed, the final hole structure can be effectively controlled by tuning the applied pressure.
虽然通常情况下耳道是封闭的,不过通过使用不同直径的通气孔使得耳道还是可以获得一定程度的通气的。
Although the ear canal is typically occluded, the use of vents of various dimensions allows degrees of sound leakage into and out of the ear canal.
摘要:研究了不同湿度条件下A 5083铝合金焊接气孔的敏感性,并讨论了气孔对焊缝力学性能的影响。
Abstract: Study on the sensitivity of stomatal A5083 Aluminum Alloy under different humidity conditions of welding, and the effects of porosity on the mechanical properties.
焊点中存在的主要缺陷是气孔,表面下塌,热裂纹,其中气孔主要为氧化膜气孔和匙孔不稳定形成的气孔。
The main defects of laser spot welding of aluminum are crater, hot crack and porosity which created by oxide film and keyhole instability,.
研究了在典型高温低湿天气下大豆光合日变化过程中气孔限制和非气孔限制的效应。
The effect of stomatal and nonstomatal limitation during the diurnal course of photosynthesis was studied in the typical dry and high temperature weather of Shandon Province.
在拉速提高的条件下,必须优化结晶器内流场以适应稳定生产的需要,防止气孔、拉漏等铸坯缺陷的产生。
Fluid flow in the mould must be optimized in order to improve the internal and surface quality of the slabs while increasing the casting speed.
干旱条件下,超红短枝的光合速率、蒸腾速率、气孔导度、对水分的利用效率和羧化效率一直高于对照。
Under drought, photosynthetic rate, transpiration rate, stomata conduct, water use efficiency and carboxylic efficiency of the 'Super red Spur' was higher than control's.
结果表明,在一定的激光功率下,提高焊接速度可减少金属蒸气的形成,从而降低气孔数;
We find that the pore number will be reduced through depressing metallic vapour if welding speed is increased with constant laser power.
在试验及模拟生产条件下测定了铁水氧电势,并建立了氧电势与铸件皮下气孔之间的关系。
Under the experimental and simulated production conditions, the oxygen potential was measured, and the relation between oxygen potential and pinhole defects were created.
同样沉积条件下,纤维体积含量40%的复合材料与含量为30%的复合材料相比,气孔率略大。
Under the same deposition condition, the porosity of composites with 40% fiber volume fraction is a little bigger than that with 30% fiber volume fraction.
草甘膦10%水剂却使RR 2气孔导度和蒸腾速率先增加后降低,但是各浓度下的蒸腾速率均低于对照。
Glyphosate 10% aqua increased the stomatal conductance and transpiration rate of RR2 at low dosage, but decreased at high dosage, while transpiration rate at each dosage was lower than the check.
外源施加亚精胺可增强黄瓜植株的耐盐能力,主要是由于增强了盐胁迫下黄瓜植株的光合能力,减弱了盐胁迫对光合速率的气孔限制。
It is susgest photosynthesis was improved by exogenous Spd in salt stress plants and such an improvement was associated with an improvement in stomatal conductance.
结果表明,在侧吹保护气体的条件下,激光深熔焊接能有效地避免高强度镀锌钢热影响区的软化和控制焊缝气孔及焊接接头裂纹的产生。
By adopting blowing side protective gas, the problem that gas hole was easy to form owed to evaporation of zinc and moisture of circumstances in laser...
结果表明,在侧吹保护气体的条件下,激光深熔焊接能有效地避免高强度镀锌钢热影响区的软化和控制焊缝气孔及焊接接头裂纹的产生。
By adopting blowing side protective gas, the problem that gas hole was easy to form owed to evaporation of zinc and moisture of circumstances in laser...
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