查询词典 ionization

In addition, the addition of Si ni tang to culture of D.radiodurans could induce cell growth and protein expression. In this study, 2-D electrophoresis and Matrix Assisted Laser Desorption Ionization Mass Spectrometry were used to analyze the proteomic differences between adjunction of Mn and Si ni tang in normal cells.

实验方法是利用二维蛋白质电泳(2-D Electrophoresis)和基质辅助雷射脱附游离质谱仪(Matrix Assisted Laser Desorption Ionization Mass Spectrometry；MALDI/MS)来分析耐辐射奇异球菌在有或无锰离子与四逆汤的培养下，其菌体表现出的蛋白质种类与数量的差异。

The fragmentations of alkylamine ions C~nH~2~n~+~1NH~2^+ produced from 18 kinds of alkylamine salts by the electron impact ionization and protonated alkylamine C~nH~2~n~+~1NH~3^+ produced from them by the chemical ionization were examined using collision- induced dissociation.

应用碰撞诱导解离技术研究了电子轰击方法产生的脂肪胺分子离子和化学电离方法产生的质子化脂肪胺分子的碎裂反应。

High performance liquid chromatography, carbon-13 nuclea magnetic resonance, chemical ionization mass spectrometry and gas chromatography with flame ionization detection have been employed for the identification and quantitative deter mlnation of the epimers of amygdalin.

高效液相色谱法、carbon-13 nuclea 磁场共振电离质谱、化学品与气相层析法，以氢火焰离子化检测被用来识别和定量的威慑 mlnation差向异构体的苦的。

The experiment shows that the multiphoton ionization mechanism of anisole is parent molecule ionization-dissociation model.

实验结果表明苯甲醚分子的多光子电离机制属于母体分子电离-解离模型。

First, according to a phase matching condition of electromagnetic wave on the stationary boundary surface, we find the refelection and transimission angles in the front system with a static ionization front. Then using the transformations of wave vector and frequency we get the corresponding angles in the laboratory system in which the ionization front is moving at relativistic speed.

首先在波面参考系中根据电磁波在固定边界上的相位匹配条件，确定电磁波在静止电离波面上的反射角和透射角，并利用波矢和频率的相对论变换，导出了在实验室参考系中相应的反射角和透射角的表达式，最后对所得的结果作了进一步的讨论。

Methods Proteins and peptides in CSF were separated by two-dimensional gel electrophoresis（2DE） and ultra-performance liquid chromatographer and identified by matrix assisted laser desorption ionization time of flight mass spectrometry（MALDI-TOF-MS） and electrospray ionization to study differential proteomic expression in the cerebrospinal fluid between patients with Demy- elinative disease and with other neurological diseases.

方法以中枢神经系统脱髓鞘疾病患者的脑脊液为研究对象，分别采用固相pH梯度双向凝胶电泳分离总蛋白质，凝胶经银染显色后，用图像分析软件进行比较分析、识别差异表达的蛋白质，离线应用基质辅助激光解析电离飞行时间质谱得到相应的肽指纹图谱；同时用超高压液相色谱分离酶解肽段，在线采用电喷雾四极杆飞行时间质谱鉴定肽段氨基酸序列；搜索数据库鉴定部分蛋白质。

This dissertation is concerned with the kinetics of the nonequilibrium dissociation and ionization of gases that are significant in the high temperature gas dynamics. There are two parts in the dissertation. In the first part, the kinetics of dissociating gas, a theoretical calculation is made of the nonequilibrium dissociation of the diatomic molecule behind a strong shock wave front.

中文题名高温气体解离和电离动力学研究副题名外文题名 The study of the kinetics of dissociation and ionization in the high temperature gases 论文作者王苏导师崔季平何宇中研究员范秉诚高级工程师学科专业一般力学研究领域\研究方向学位级别博士学位授予单位中国科学院力学研究所学位授予日期2001 论文页码总数125页关键词气体动力学电离复合非平衡解离速率振动－解离耦合馆藏号BSLW /2003 /O354 /1 本论文选取在高温气体动力学中具有重要意义的气体非平衡解离和电离动力学作为研究对象，包括两部分内容。

Gas identity and concentration can be determined by monitoring the ionization voltage and discharge current of the gas. Gas ionization voltages of SWNTs were lower 30 voltages than MWNTs obtained by CVD, and after plasma treatment, the gas ionization characteristics of MWNTs were improved.

与化学气相沉积方法得到的直立式多壁碳纳米管相比较，旋涂法单壁碳纳米管薄膜电极的气体电离阈值电压要低30V左右，等离子处理对改善直立式多壁碳纳米管的气体放电性能有帮助。

Proteins associated with the membrane and the cytosolic portions of the proteome under different copper ion concentrations were differentially labeled with an acid cleavable isotope-coded affinity tag reagent, and the labeled peptides were separated by two-dimensional chromatography and characterized by electrospray ionization-tandem mass spectrometry.

我们分别将在不同铜离子浓度下的细胞质以及细胞内膜中所有蛋白质标识上酸裂性同位素亲和性标识(acid cleavable isotope-coded affinity tag， cICAT)试剂，用二次元管柱层析将所有标识并酵素水解过的片段分离，并且用电洒式串连质谱(electrospray ionization-tandem mass spectrometry， ESI-MS/MS)以及基因体定序资料库决定蛋白质序列。

It shows that The correlation between the two outgoing electron and the ion play a more important role in the mechanism of this ionization. 2. The auger and the autoionization process of the inner shell are theindirect processes of the ionization that correspond the relaxation and the double excitation of the inner shell. Taouil et 〓 guesses that these processes are included in the mechanism of the ionization. The present theoretical results showthat the influences on the inner shell ionization of these processes are notimportant.

说明在内壳层的高非对称的动能区域，被电离电子与离子以及末态两个电子之间的角关联在这个电离动力学机制中扮演了重要的作用 2、内壳层的饿歇过程和自电离过程为间接电离过程，对应于碰后相互作用的离子弛豫和内壳层的双激发，Taouil et al的实验〓认为包括在电离的机制，我们的计算表明它们对内壳层(e，2e)反应的影响并不很重要。

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。