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1)  Adipogenic effcacy
成脂效率
2)  treatment efficiency
成膜效率
1.
Factors influencing treatment efficiency of micro-arc oxidation on aluminum alloy;
影响铝合金微弧氧化成膜效率的因素分析
3)  Synthesis yield
合成效率
1.
The influence factors on the yield of ~(18)F-FDG are investigated with "1-pot" system for improving the synthesis yield of ~(18)F-FDG again.
结果表明:生产18F-的残留水会影响18F-FDG合成效率;反应管内的亲核反应温度偏高会降低中间体的水解程度并使反应管内放射性残留量上升;除乙腈的氮气流也会使最终放射性丢失;而碱水解中间体能大大减少合成时间。
2.
3\'-deoxy-3\'-[~(18)F] fluorothymidine(18F-FLT) was prepared from N-BOC precursor to improve the synthesis yield,chemical purity and radiochemical purity of 18F-FLT by home-made automated synthesis module.
为提高18F-FLT合成效率及其纯度,研究了以N-BOC为前体,利用国产多功能合成器自动化合成18F-FLT时各种因素对合成效率及化学纯度和放化纯度的影响。
4)  forming efficiency
成形效率
1.
This paper analysed various kinds of parameters which influenced the forming (by studying many kinds of factors, mainly capacity and inductance), then found the comparatively optimal technique and its parameters, thereby obtained the purpose of improvement of the forming efficiency.
对影响电磁成形的主要因素电容和电感进行了研究 ,并分析了各种参数对成形的影响 ,从而得到较优化的工艺及参数 ,以达到提高成形效率的目的。
2.
This paper analyses the discharge circuit and relationship of energy transfer of electromagnetic forming sets,puts forward their optimum functional mode and methods to raise forming efficiency.
本文在分析电磁成形机的放电回路、能量传递关系的基础上,找到了电磁成形机的最佳工作点和给出了提高成形效率的计算方法,并进行了实验验证。
5)  synthesis efficiency
合成效率
1.
The paper analyzes the influence of the service life of synthetic catalyst on the profits of ammonia plant and suggests to use the synthesis efficiency as judging proof for its service life.
论述合成催化剂使用年限的判断依据 ,提出合成效率的定义 ,推导其公式 ,阐述合成效率作为催化剂活性指标的优点 ,结合工艺现状分析合成催化剂使用年限对氨厂效益的影响。
2.
Six crossbred steers (Simmental×Indigenous yellow cattle) with cannulas in rumen,duodenum and terminal ileum are used for determining the effects of feeding level on synthesis efficiency of rumen microbial protein.
 用6头装有瘤胃、十二指肠、回肠瘘管的西门塔尔杂交阉牛,以Cr2O3为指示剂测定食糜流量,用嘌呤氧化法测定RNA当量,研究不同饲养水平下,西门塔尔杂交阉牛瘤胃微生物蛋白的合成效率。
3.
This paper employs numerical calculations,deals with the phase shift of microwave sources which are even distribution and calculates the synthesis efficiency using the average gain of radiation antenna arrays.
采用数值计算方法,将微波功率源输出信号的相位差视为等概率分布的随机事件,通过阵列天线平均增益定量计算了多微波源空间功率合成效率;分析了随机相位条件下,天线单元间耦合系数、极化方式和单元增益对合成效率的影响。
6)  Combining efficiency
合成效率
1.
The power combining efficiency of a state solid amplifier(SSPA) is analysed by applying scatter parameter.
应用散射参数理论对大功率合成器的合成效率进行了计算推导,分析了合成效率的各种影响因素,推导出合成效率所能达到的最大值,并且给出最大合成效率的条件。
2.
Based on circuit theory, the effect on combining efficiency taken by imbalances in amplitude and in phase, combining network loss and combining stages are studied in multi-stage power combining circuit and in N-way power combining circuit respectively, which builds a theoretical foundation for multi-way solid-state high power combining.
在这类研究中,在较多合成支路情况下保持较高的合成效率和较宽的工作带宽是实现固态毫米波宽带高功率合成的关键技术难题,也是本文研究的重点内容。
3.
The influence factors, such as beam parameters, the change of amplitude-ratio and phase-difference, beam overlap-ratio and parallelism on the combining efficiency, are researched.
描述了偏振光束相干合成的原理和过程,分析了光束参数、相位差和振幅比变化、光束重合度以及平行度等参数对合成效率的影响,讨论了实施合成的实验参数及方法。
补充资料:扩散膜分离效率
分子式:
CAS号:

性质:同位素混合物通过扩散分离膜时,在不变的出口丰度下,膜的实际浓缩与理想浓缩的比值。    Z=(C+-C0)/(C+-C0*)  C+为膜的出口丰度,C0为实际膜前丰度,C0*为理想膜前丰度。膜的分离效率Z总是小于1。原因是:(1)膜后向膜前的反扩散;(2)由于轻重分子相互碰撞而拉平两种分子平均速度差异的动量迁移效应;(3)部分孔隙中的黏滞流;(4)吸附迁移效应。

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