电离效率
- 网络ionization efficiency
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螺旋波等离子体推力器(HPT)的电离效率高,比冲大,适用于较大质量卫星和探测器的空间推进。
Helicon wave plasma thruster ( HPT ) has a high ionization efficiency and a great specific impulse , suitable for the space propulsion of lager quality satellites and probes .
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实验结果表明,防护网与放射源之间的电阻(或电位)、距离以及网眼的有效面积都影响~(210)Po静电消除器的电离效率。
The results obtained in the experiment show that the electric potential ( or resistance ) and distance between the protection gauze and radioactive source as well as the mesh space of the protection gauze are important to ionization efficiency of the ~ ( 210 ) Po static eliminator .
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为提高基体对样品解吸/电离效率,对纯化DNA样品的方法进行了讨论。
It can measure mix - based DNA with molecular weight higher than 14800 . In order to improve desorption / ionization effects , the purification methods for DNA samples are established .
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本文选用电离效率较高的螺旋波方式来激发氢等离子体,根据氢的发射光谱的Stark展宽得到电子密度Ne,并利用二谱线法求得电子温度Te。
In this article , hydrogen plasma was produced by helicon wave and the emission spectrum was detected . The electron number density N_e has been determined by using Stark broadening and the electron temperature T_e has also been obtained .
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原子激光共振电离效率的估计
Estimation of laser resonance ionization efficiency
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分析了激光线宽对同位素原子激发电离效率和选择性因子的影响。
We have studied the influence of laser linewidth on ionized efficiency and selectivity of isotopic atoms .
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离子源气体密度分布是电离效率的影响因素之一,本文以气体场理论为基础,利用计算流体力学法,对气相色谱-质谱联用仪电子轰击源内的气体分布进行数值分析。
Based on the gas field theory , the gaseous distribution in the electron impact ion source ( EI ) of GC-MS is studied with computational fluid dynamics ( CFD ) method .
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在一些典型实验条件下,计算出基态和激发态的吸收截面,给出电离效率分别与激发电离速率以及作用时间的变化关系,得到饱和激发电离的流量条件和通量条件等。
The absorption cross sections of ground and excited electronic state were calculated . The dependence of the ionization efficiency on the rate of excitation and ionization and the interaction time , and the conditions on the photon flux and fluence for saturated excitation and ionization were obtained .
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这种计算电离室收集效率的方法是可靠的,可以应用在重离子辐射生物效应实验中对剂量进行修正。
The method of calculating the collection efficiency is reliable and can be used to correct doses in the experiments with regard to biological effects of heavy ion radiation .
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在较严格的条件下求解了该过程的速率方程,并分析了在脉冲激光作用下共振电离信号的探测效率,以及影响电离效率的光通量等各种因素。
The rate equations of resonant ionization of copper are calculated and the factors that affect the ionization efficiency are discussed .
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铋原子激光共振电离(LRI)跃迁及其电离效率
Laser Resonance Ionization Transition and Efficiency for Atoms of Bismuth
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研究了在强激光脉冲中各种不同取向的N2分子发生场致电离的电离几率和表观电离效率。
The field-assisted ionization of N 2 molecules in strong laser pulse was investigated .
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从离子碎裂反应机理的角度,分析了火焰中样品分子裂解和电离的可能机理,并总结出可能影响电离效率的相关因素。
The possible mechanism of split and ionization of sample molecules in flame is analyzed from the view point of fragmentation reaction .