涡轮机内的蒸汽从管内导至叶片上。
In a steam turbine, steam from pipes is directed onto the blades.
采用的扩压器包括无叶扩压器、叶片扩压器、低稠度扩压器和半高导叶扩压器。
These diffusers include vaneless diffuser, vaned diffuser, low solidity diffuser and half-guide-vanes diffuser.
在土壤质地相同条件下,高蒸发力下生长的植株比低蒸发力下生长的植株产生更多的吸收根、形成更高的单位叶片导水度。
Under the same soil textures, the plants at a high evaporativity formed more absorbing roots and a much higher leaf-specific water conductance than those at a low evaporativity.
本文建立的水轮机固定导叶和活动导叶后卡门涡频率预估模型,可在设计阶段进行叶片绕流卡门涡频率的预估。
The shedding frequency computation model built in this paper can be used to predict the shedding frequency of the Karman vortices for designing hydraulic turbines.
然后介绍了一、二次风速,旋流叶片的导角,一次空气比例系数等参数的选择及制造烧嘴的材料。
Selection of the primary and secondary airflow rate, the guide Angle of the blade, the primary air ratio as well as the material for manufacture of the burner nozzle are given.
本文建立的水轮机固定导叶和活动导叶后卡门涡频率预估模型,可在设计阶段进行叶片绕流卡门涡频率的预估。
The vortices shedding frequency calculation model proposed by this paper can be used to predict the shedding frequency of the Karman vortices for hydraulic turbines design.
红砂叶片的净光合速率、蒸腾速率和气孔导度的日变化均为上午和下午较高,中午高温高光时最低。
The Pn, E and Gs of Reaumuria soongorica were higher in the morning and afternoon than in the noon.
因此在高压导叶设计中 ,当采用低展弦比叶片时 ,应注意削弱叶片出口附近流场的严重径向窜流。
Therefore when using low aspect ratio blade during the design of high pressure guide vane, attention should be made in order to obstruct the …
介绍了自带冠导叶片精铸工艺方案,分析了存在的问题。
This paper introduced the precision casting process of the crown guide blade, and the existing problems have been further analyzed.
结果表明,各品种幼苗叶片光合速率、蒸腾速率和气孔导度均随土壤水分的减少而呈降低趋势, 叶片水分利用效率呈增加趋势。
The results showed that photosynthetic rate, transpiration rate, and stomatal conductance decreased and leaf WUE increased with soil water content declined.
在逐点积分法一元理论叶片绘形的基础上,利用导叶水力设计程序设计了等环量叶片。
Based on point-by-point integration method and one dimension theory, designed the guide vane which has uniform velocity moment distribution with a hydraulic design computer code of the guide vane.
同时进口热斑相对导叶的位置对叶片表面温度的分布也有很大影响。
However the presence of hot streak has little effect on the pressure distribution on the blade surface.
通过比较后得出,采用相同导程叶片用一个胎具压制的设计方法简单,成形准确,提高了经济效益。
Conclusion from comparing shows that this design method is simply, shape formation is accurate and the economical benefit is lifted.
除此之外还研究了四倍体植株叶片的光合速率、气孔导度的日变化的情况。
Apart from this study, we also researched photosynthesis, stomatal conductance of the tetraploid plants and the control ones.
除此之外还研究了四倍体植株叶片的光合速率、气孔导度的日变化的情况。
Apart from this study, we also researched photosynthesis, stomatal conductance of the tetraploid plants and the control ones.
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