电离辐射

Recombination radiation can ionize another atom of the same species.

复合过程产生的辐射可能使同一原子核素的另一个原子发生电离。

Solar flares and radiation from sunspots break apart molecules and ionize atoms in Earth's upper atmosphere--this is how the ionosphere is formed.

太阳耀斑和来自太阳黑子区的辐射在地球大气上层中分解分子，并电离原子，电离层就这样形成了。

The atmosphere in the high layer are ionized by the solar UV and X-ray.

由于太阳紫外线，X射线辐射致使高空上层大气电离。

The method of photoionization mass spectroscopy using synchrotron radiation is introduced. The fundamental photodissociation mechanism is given.

介绍了真空紫外同步辐射光电离质谱研究的方法，以及各种基本的光解离反应的机理。

This dissertation is dedicated to investigate the pyrolysis of the fuel-bonded nitrogen model compounds,including five-membered ring nitrogen model compound pyrrole and the substituted six-membered ring nitrogen compound 4-methyl pyridine,with vacuum ultraviolet single-photon ionization combined with molecular beam mass spectrometry technique.

本论文利用同步辐射真空紫外单光子电离、分子束取样和反射式飞行时间质谱相结合的技术研究了含氮杂环模型化合物的热解，包括五元环含氮体系、六元环含氮体系和替代的六元环含氮体系(4-甲基吡啶)。

The discharge can operate in parallel to form the large discharge array without individual ballasting resistors.

实验得到的光学特性与光谱特性表明放电存在强烈的电离，产生强烈的准分子辐射。

The detailed time-match semiempirical models represnting the chromospheric state during the impulsive phase of the 2B flare on Fab. 3 1983 are proposed by making the non-LTE calculstions on hydrogen and ionized calcium. The physical pictures of total evolutionary pattern of the impulsivs phase of the flare are improved either quantitatively or qualitatively in comparison with the former work we did.

利用南京大学太阳塔多波段光谱仪拍摄到的1983年2月3日2B级耀斑脉冲相期间的Hα和CaⅡK线轮廓系列光谱资料，按照我们所发展的构造定态色球耀斑半经验模型的方法，通过联立求解氢和一次电离钙的能级平衡方程和辐射转移方程，建立了能够再生Hα和CaⅡK线观测轮廓的更为完整的1983年2月3日2B级耀斑脉冲相色球半经验模型。

At the dimmest part of a Cepheid's cycle, the ionized gas in the outer layers of the star is opaque, and so is heated by the star's radiation, and due to the increased temperature, begins to expand.

在造父变星的一个光变周期开始时，恒星最暗，此时其外层电离气体是相对不透明的，因此会吸收恒星的辐射而升温，并开始向外膨胀。

This dissertation includes two parts. The first part deals with study on gas-phase reactions of metal ions with ethanethiol molecule by using the laser ablation-molecular beam method and density functional calculations. The second part describes experimental and theoretical study on VUV photoionization of some molecules using synchrotron radiation.

本论文分两大部分，第一部分介绍利用激光溅射-分子束技术研究金属离子与乙硫醇的气相反应，并用密度泛函理论研究了反应形成的团簇离子的结构和特性；第二部分介绍一些分子的真空紫外同步辐射光电离，结合量化计算分析了实验结果。

The reason is that the population of the ground state descends and the population of the first-excited state increases in the two-color coherent lase relative that in the monochromic laser and the transition channel of the electron to the even-parity continuum

氦离子在添加倍频光的双色场作用下高次谐波产生效率极大提高的原因是：倍频光极大地加快了电子电离到连续态及返回基态这一过程，使辐射出的高次谐波光子数大大增加，该初步阐释可为高次谐波真正应用到实际中提供一些理论启示。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。