查询词典 ionization potential

Three kinds of molecular weight determination methods, i.e., size exclusition chromatography, sodium dodecyl sulphate-polyacrylamide gel electro phoresis and high performance liquid chromatography / electro spraying ionization-mass spectrometry (HPLC/ESI-MS) are introduced to study of the attribute of collagen hydrolysates.

应用体积排阻色谱、聚丙烯酰胺凝胶电泳、高效液相与电喷雾质谱联用(HPLC/ESI-MS)这三种蛋白质分子量分析测试技术，来表征胶原水解产物的分子量，以寻求较好的胶原水解产物分子量的测试方法

Then a method for measuring n_e through detectingI_ in ionization region is presented.Use micro-arc discharge to prepare TiO_2 photocatalyzer.

与n_e之间的数值关系，提出一种通过测量电晕放电电离区内I_的大小粗略测定n_e的方法。

Delayed Extraction Matrix Assisted Laser Desorption/Ionization Mass Spectrometrywas used to high resolution analysis of mix based DNA samples,using the binary matrices 3 HPA(3 Hydroxy 2 Picolinic Acid)/PAand substrate nitrocellose film.

本文使用延迟引出基体辅助激光解吸/电离质谱( DE- MALDI- MS)法，以3-羟吡啶甲酸和吡啶甲酸混合液为二元基体，硝化纤维膜为基底，对混合碱基组成的 DNA样品进行高分辨率测定，获得满意的结果：DNA2 0 - mer分子离子峰分辩率为 8769，DNA 36- mer为 1 650 ，DNA 54- mer为 843，前二者的组成分子离子峰各同位素峰清晰可辩。

This thesis take the phthalic acid as an example to intraduce the nonlinear data processing method in the mensuration of polybasic weak acid ionization constant, point out the defect of the linear data processing method, and give the main steps of nonlinear fitting.

以邻苯二甲酸为例，介绍多元弱酸电离常数测定实验数据的非线性处理方法，指出这类实验数据线性化处理的问题，并给出非线性拟合的基本步骤

Basing on the derived equation, a new mechanism for SGMF is proposed, in which the magnetic field is produced by the ionization front. In addition we discussed properities of the SGMF produced by ponderomotive force mechanism and by the inverse Faraday effect mechanism.

从Maxwell方程出发推导出一个描述自生磁场的相对论方程，以此为基础，研究了有质动力，逆法拉第效应机制下产生的自生磁场的特性，并提出了一种新机制—运动电离波前机制。

The ionization of groups in the am in o acids is of importance in understand in g the relationship between structure and function in prote in s.

氨基酸基团的离子化对于理解蛋白质结构和功能关系起着重要作用。

During the study of multiphoton ionization of pyridazine-〓 clusters, a sequence of 〓 was observed.

在对哒嗪-水团簇的多光子电离研究中，看到一系列的质子化产物离子〓。

The multiphoton ionization mechanisms of hydrogen-bonded cluster systems: pyrimidine-〓 and pyridazine-〓 were studied using TOF mass spectrometer at 355 and 532nm laser.

本文利用355，532nm波长的激光和TOF质谱首次研究了嘧啶-甲醇（〓，pyrimidine-〓）以及哒嗪-甲醇（〓pyridazine-〓）氢键团簇体系的多光子电离机理。

Continuous determination of a polymer chain end group(initiating and chain growth species) at various times by electrospray ionization mass spectrometry indicates that the sterically hindered strong organic base predominately plays an initiator of polymer-chain growth in the copolymerization process.

利用飞行时间质谱对聚合物链端进行了跟踪检测，直接观察到了聚合反应的引发及链增长过程，证明大位阻有机碱在共聚反应过程中对聚合物的链增长起着重要的引发作用。

In the third chapter, the photoabsorption of NO, CO, acetonitrile, acrylonitrile, benzene and toluene of benzene series have been measured by using a homemade experimental apparatus of cylindrical multi-stage ion chamber with high flux SR source. The ionization energies of some electron states are given. Their superexcited states, autoionization Rydberg states have been analyzed. By the analysis and comparison, our results are accurate and credibility.

在第三章中，利用高通量的同步辐射光源和自制的多级光电离吸收池装置，测量了NO、CO、乙腈、丙烯腈、苯系物中的苯和甲苯的光吸收谱，给出了部分电子态的电离能，分析了其中的自电离Rydberg态结构和一些振动能级，对部分结构做了精确指认，经过分析和比较，我们所得的结果比较精确和可靠。

This matter overthrew all basises I learned from Sunday school .

这件事把我从周日学校学到的所有道理都颠覆了。

It's one of the cruel ironies of aging: if you want to remember your favorite restaurants, the less you should eat at them.

这是一个老化的残酷讽刺：如果你想记住你最喜欢的餐馆，你应该更少吃到它们。