Study of the quantum yield of NEA GaN photocathode;
NEA GaN光电阴极量子产额研究
A new way to calculate the quantum yield of negative electron affinity (NEA) photocathode is introduced.
以“三步发射模型”为基础， 采用积分的方法推导出反射式和透射式负电子亲和势（ Ｎ Ｅ Ａ）光电阴极的量子产额表达式， 其中反射式阴极的表达式和传统的求解扩散方程得出的表达式完全相同， 而根据透射式阴极的表达式绘出的量子产额理论曲线， 和求解扩散方程绘出的曲线基本重合， 与实验曲线也符合得很好。
The absorption spectra of CH3I molecule are calculated,photodissociation processes of CH3I molecule are analyzed and the quantum yields of 2I01/2 atom are estimated.
计算了CH3I分子的吸收谱,分析了CH3I分子的光解离过程,并估计了激发态碘原子2I30/*2的量子产额。
The law of variation of light quantum yield of Algal in Meiliang Bay of Taihu Lake in spring
春季太湖梅梁湾水体中藻类光量子产额的变化规律
zingiberensis type low-light intensity under 10,30 and 55 μmol·m~(-2)s~(-1)light had higher effective quantum yields.
m-2-s 1下的盾叶薯蓣叶片有较高的有效量子产额;光强100μm o l。
In short supply of water, leaf carboxylation efficiency and apparent quantum yield were cut down.
另外表明,水分供应不足,叶片的羧化效率和表观量子产额下降。
The law of variation of light quantum yield of Algal in Meiliang Bay of Taihu Lake in spring
春季太湖梅梁湾水体中藻类光量子产额的变化规律
Absolutely Measuring DT Impulse Neutron Yieldsof 10~7 Range with ~(63)Cu Active Method
~(63)Cu活化法测量10~7DT脉冲中子产额
Study on the Measurement of the Fast Neutron Yield of D-T/D-D Neutron Generator
D-T/D-D中子发生器快中子产额测量研究
Experimental Research on the Dependence of ～(235)U Fission Yields on Incident Neutron Energies;
～（235）U裂变产额随入射中子能量变化的实验研究
Proton and Anti-Proton Production at Mid-Rapidity from ～(197)Au+～(197)Au Collisions at SNN～(1/2)=200 GeV;
质心系能量200GeV金金碰撞中中心快度区质子和反质子的产额
yield mass curve
裂变产额 质量曲线
neutrons yield per fission
每次裂变后的中子产额
Study of a Kind of Copper Activation Detector for Low-yield Pulse Neutron Measurement
一种适用于低产额脉冲中子测量的铜活化探测器研究
There is no standard for how much milk a mother produces, and the amount a child drinks varies depending on age and diet.
每个母亲的母乳产量并没有定额，每个孩子的饮用量也要按个人年龄和食量来决定。
The veracity of absolute measurement is assessed availably to the degree of uncertainty in measurement.
评定了在一定测量不确定度范围内脉冲中子产额绝对测量的准确性。
useful ion yield
有用离子产额-二次离子质谱术
negative ion yield
负离子产额 -二次离子质谱术
Sales (Profits / Steel output) plunged by 20 %.
销售额(利润／钢铁)产量猛跌了20％。
an additional payment to employees as a means of increasing output.
产量增加后分给雇员的额外奖金。
these businesses seldom require much capital investment;
这些产业通常不需要额外大量的投资，
Harm of Too Minor Measurement of Penalty for the Crime of Unclear Source of Huge Property;
巨额财产来源不明罪量刑畸轻的危害
The sales of industrial electronic products have multiplied six times.
工业电子产品销售额增加了五倍。