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1)  efficient atomization efficiency
有效雾化率
1.
By utilizing supersonic atomization that is designed by ourselves, the study studies the influences of atomizing medium on the properties of free-lead solder powders of SnAgCu system:efficient atomization efficiency, size distribution and degree of sphericity.
实验利用自行设计的超音速雾化制粉装置,研究了不同雾化介质对SnAgCu系无铅焊锡粉末有效雾化率、粒度分布及球形度的影响。
2.
The experiment studies the effects of atomizing medium on the properties such as efficient atomization efficiency, distribution of size, sphericity of free-lead solder powder of Sn-Ag-Cu system with supersonic atomization equipment designed by ourselves.
利用自行设计的超音速雾化制粉装置,研究不同雾化介质对SnAgCu系无铅焊锡粉末有效雾化率、粒度分布及球形度的影响。
3.
The effects of inner diameter of delivery tube end on the properties such as efficient atomization efficiency,size distribution,sphericity of free-lead solder powder in Sn-Ag-Cu system were investigated.
本试验利用自行设计的超音速雾化制粉装置,研究了导液管内径对SnAgCu系无铅焊锡粉末有效雾化率、粒度分布、球形度及氧含量的影响。
2)  effective atomization efficiency
有效雾化率
1.
By means of the supersonic atomizing equipment developed by ourselves,the influences of super- heat of alloy on the properties of flee-lead solder power of Sn-Ag-Cu system,such as effective atomization efficiency, size distribution,particle shape and oxygen content are investigated.
利用自行设计的超音速雾化制粉装置,研究了合金过热度对 SnAgCu 系无铅焊锡粉末有效雾化率、粒度分布、球形度及含氧量的影响。
3)  efficiency of nebulization
雾化效率
4)  effective susceptibility
有效磁化率
5)  separation efficiency
除雾效率
1.
A prediction model of the separation efficiency was obtained based on response surface methodology by means of the statistical software program Minitab V14.
1对不同结构尺寸以及运行条件下波板型除雾器除雾叶片的内部流场进行了数值模拟,基于响应曲面法,利用统计软件MinitabV14得到了除雾效率的预测模型。
2.
The effects of operation conditions,blade types,blade spacing on the separation efficiency and pressure drop of demister have been experimentally investigated.
实验研究了不同操作条件、板片型式及板间距对除雾器除雾效率及压降的影响规律,并采用计算流体力学(CFD)方法对除雾器内流场进行了数值模拟与分析。
6)  the effective photosynthetic quantum yield
有效光化学效率
1.
The significant decrease of the effective photosynthetic quantum yield and rETR was found in the thalli when exposed to solar radiation,with the decrease fluctuation being more greater in the thalli treated with full solar radiation(PAB,i.
结果显示,在高的光辐射下羊栖菜藻体的有效光化学效率和相对电子传递速率急剧下降,两种N水平条件下藻体的光化学活性下降趋势一致;在全波长太阳辐射条件(即高的光辐射和紫外辐射同时存在)下它们的下降幅度更大,而N加富条件下羊栖菜藻体的相对电子传递速率要高于对照N水平下生长的藻体,表明N加富的生长条件使得藻体具有更高抵御紫外辐射的能力,这可能是与N加富生长条件下的藻体中含有较高含量的紫外吸收物质和类胡萝卜素有关。
补充资料:催化剂表面有效利用率
分子式:
CAS号:

性质:将通常测定的反应速度与消除内扩散后所测定的速度之比,定义为催化剂表面有效利用率。用以表征催化反应受颗粒内扩散控制的程度。工业上有许多反应是在内扩散区进行的,其催化剂的表面利用率差别很大。如苯酚在Ni催化剂上加氢时表面有效利用率为72%。使用5mm合成氨催化剂颗粒时,表面有效利用率为72%,而用2mm颗粒时,接近100%,即反应在动力学区进行。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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