光线的发射处越远，年龄越大，类星体的光谱会缺失，因为某些波长的光线会被中性氦及氦离子或带电粒子吸收。
Light emitted from farther away, and thus older, quasars lacked this wavelength, because the light was getting absorbed by neutral helium as well as helium with a single ion-or charged particle.
中性氢辐射出离子化氢所没有的特有的21厘米波长。
Neutral hydrogen emits radiation on a characteristic 21cm wavelength, while ionised hydrogen does not.
那么，按照相同的逻辑，我们所有的正离子，事实上，它们的半径都会缩小，与它们的中性母体相比。
So, by the same logic, that means that all of our positively charged ions are, in fact, going to be smaller in terms of radius, compared to their neutral parents.
那么让我们来想一想，拿走一个，2,s，电子所消耗的能量，假设一个是从正一价硼离子中拿走1，另一个是从中性硼原子中拿走。
So let's think about the energy required now to remove a 2 s electron, let's say we're removing it from boron plus 1 versus neutral boron.
中性氢辐射出离子化氢所没有的特有的21厘米波长。
Neutralhydrogen emits radiation on a characteristic 21cm wavelength, while ionisedhydrogen does not.
那么，让我们来试一下另外一个例子，这次不是一个中性原子,而是一个离子，氰离子。
So, let's try another example here, and let's try a case now where instead of dealing with a neutral molecule we have an ion, so we have c n minus.
因此he2 +能在高压的氦气等离子体中，被观察到，而不是中性的。
And He2 plus is observed in helium plasmas at high pressure, He2 but not neutral He2.
在光电阴极的制备及对光电阴极作表面分析中，铯离子源较中性铯源具有一定的优点。
In the surface analysis and the manufacture of photocathode the cesium ion source shows some advantages as compared with the neutral cesium source.
在离子溶液中，电中性条件亦提供了这种附加关系式。
In ionic solutions, the condition of electrical neutrality provides such an additional relation too.
将胺类固着剂用于阴离子松香胶中性施胶，探讨固着剂电荷特性对阴离子松香胶中性施胶的施胶效果和增强效果的影响。
Amine attached agent was used in the anionic rosin neutral sizing and the effect of the characteristics of attached agent charge on the anionic rosin neutral sizing and sizing enhancement are probed.
有些分子离子断裂成为较小的子离子和中性碎片。
Some of the molecular ions fragment into smaller daughter ions and neutral fragments.
利用缓冲体系的平衡移动，结合不同的电极进行电势法检测，可间接测定样品中各种离子甚至中性分子的浓度。
Using equilibrium shift of buffer solution, indirect determination of a number of ionic even molecular components by FIA in combination with potentiometric detection can be realized.
中性线近地侧的等离子体团朝着地球运动，并合并于地球附近的重联区内。
The plasmoids on the earthward side of the neutral line move toward the earth and coalesce with the reconnection region near the earth.
当离子在鞘层运动时，考虑离子与中性原子之间的电荷交换和弹性碰撞，以及离子被尘粒的库仑散射和收集作用。
The charge exchange and elastic collision between ion and neutral atoms and the collection and Coulomb scattering of ion on dust grains are considered.
初级离子与中性质点反应生成各种次级离子。
Primary ions react with neutral species to produce different secondary ions.
利用内建场增强离子发射模型和可动离子中性化模型对实验结果进行了分析与计算，理论与实验吻合较好。
Experimental results were analyzed by means of built-in field enhanced ion emission model and ion neutralized models, which coincides well with the experiment results.
中性束注入器的关键部分是离子束系统，它的性能决定了中性束注入的效率和效果。
A key part of the neutral beam injector is ion beam system, whose property defines the efficiency and effect of the neutral beam injector.
用AM 1半经验方法，优化了吲哚和苯酚中性分子、正离子自由基和负离子自由基的几何构型。
The geometries of neutral indole and phenol, as well as their cation radicals and anion radicals, have been optimized by using AM1 method.
研究了非缓冲体系中性氨基酸在732型强酸性阳离子交换树脂上的离子交换平衡，并提出了平衡模型。
Ion exchange equilibrium of neutral amino acids on 732 strong acid cation exchange resin in non buffer systems were studied and an equilibrium model was proposed.
试验证明，试样台上的离子流密度及离子与中性粒子的比例是重要的试验参数。
The test proves that the density of ion flowing and the ratio of ions to neutral particles are important testing coefficients.
利用内建场增强离子发射模型和可动离子中性化模型对实验结果进行了讨论。
Experimental results had been explained by means of built-in field enhance ion emission and ion neutralized models.
但金属离子与结合位点具有更强的亲和力，使蓝膜再生为紫膜的能力比质子化中性红强。
But metal canons have stronger affinity to the binding sites and higher ability of regeneration than neutral red has.
它可与二苯胍进一步反应形成电中性的稳定紫红色1∶2∶1三元离子缔合络合物。
It can further reacts with diphenyl guanidine to form a stable, neutral, violet-red 1:2:1 ternary ionic-associate complex.
本文叙述了锂离子束通过钠蒸汽时的中性化效率测量。
The neutralizing efficiency of sodium vapour for lithium ion beam has been measured.
从湿部化学浆内电荷层面分析了固着剂用于阴离子松香胶中性施胶的可行性和作用机理。
The feasibility and mechanism of action of using attached agent in anionic rosin under the neutral papermaking condition are analyzed from the inner charge lager of pulp.
进一步阐述了阳离子松香胶的施胶机理，并首次提出阴离子高分散松香胶在中性条件下的施胶机理。
Not only the sizing mechanism of cationic rosin emulsion is clarified further, but also those of anionic rosin emulsion in neutral range is presented at the first time.
模拟通过加载氢离子圆盘和充入中性氢气，观察了引入离子后电子束和离子的行为。
Hydrogen ion lens are loaded and neutral hydric gas is filled in simulation in order to observe the interactional behavior of electrons and ions.
在反场箍缩条件下可允许用强等离子体电流充分加热等离子体到点火温度，而不需要辅助的中性束或射频加热系统。
The high plasma current allowed in a RFP is expected to be sufficient to heat the plasma to ignition without the need of auxiliary neutral-beam or radio-frequency heating.
在反场箍缩条件下可允许用强等离子体电流充分加热等离子体到点火温度，而不需要辅助的中性束或射频加热系统。
The high plasma current allowed in a RFP is expected to be sufficient to heat the plasma to ignition without the need of auxiliary neutral-beam or radio-frequency heating.
应用推荐