查询词典 ionization

This study was carried out to determine low-boiling point hydrocarbon mixtures C1-C5 using gas chromatography supplied with a flame ionization detector and a low-pole capillary column.

这项研究是低沸点点碳氢混合物C1-C5被使用在气相色谱法火焰离子检测器和低杆毛细管管柱上。

Ionization radiation detector［M］.

电离辐射探测器［M］。

The mechanism of dioxygen oxidation of NTS to DNS in alkali solution under mild condition was inquired into. The result showed that the key step in the preparation of DNS from NTS was the formation of 4-nitro-2-sulfobenzyl anion as a result ionization of NTS in strong alkali and then oxidization to 4-nitro-2sulfobenzyl radical by activated dioxygen.

探讨了在温和条件下于碱的水溶液中氧气液相氧化4-硝基甲苯-2-磺酸制取4，4'-二硝基二苯乙烯-2，2'-二磺酸的反应机理，发现4-硝基甲苯-2-磺酸在碱作用下发生离子化生成4-硝基-2-磺酸基苄基阴离子，然后被活化的分子氧氧化成4-硝基-2-磺酸基苄基自由基是反应的关键步骤。

Weak electrolyte ionization degrees can be approximately obtained by the conductivity ratio, namely:α= ma0, mam, and 0, m respectively, the molar electrolyte conductivity and limiting molar conductance (ie, fully ionized after a solution of the conductivity).

弱电解质的电离度可近似地由电导比求得，即：α＝ma0，mam和0，m分别为电解质的摩尔电导和极限摩尔电导（即完全 a电离后溶液的电导）。

Finally, in muon-catalyed fusion, the influence of laser fields on μ~3He muonic atom ionization is studied.

最后，我们研究了μ子催化核聚变中强脉冲激光对介原子μ~3He的电离。

This paper reports the gas chromatographic analysis of gas hydrocarbons possibly produced by the radiation degradation of N,N-dimethylhydroxylamine and N,N-diethylhydroxylamine, porous layer open tubular column coated with aluminum oxide and flame-ionization detector are used.

将氧化铝毛细柱与氢火焰离子化检测器联用，研究了羟胺衍生物辐射降解产物中气态烃类的气相色谱分析方法。

The red pigment in Parma ham was Zn-protoporphyrin Ⅸ according to the absorption spectra, fluorescent, HPLC, and electrospray ionization high resolution mass spectrometry analysis of the red pigment in Parma ham.

根据巴马火腿红色色素的吸收光谱、荧光光谱、高压液相色谱和高分辨率电喷雾电离质谱，证实了巴马火腿的红色色素是锌－原卟啉Ⅸ。

A simple,sensitive and reproducible high performance liquid chromatography-electrospray ionization mass spectrometry method for simultaneous separation and determination of adenosine and uridine is developed.

本文报道采用电喷雾离子化，用高效液相色谱质谱联用法同时分离和测定冬虫夏草及其代用品中主要活性成分尿苷和腺苷的方法。

Thirdly, electronic properties, such as HOMO and LUMO energies, band gaps, the ionization potential and electron affinity of 2, 7-linked and 3, 6-linked carbazole trimers, two conjugated oligomers with different linkage of carbazole, were studied by the density functional theory with Becke–Lee–Young–Parr composite exchange correlation functional (B3LYP).

第三，采用密度泛函理论在6-31G*基组上分别优化了两种2，7-和3，6-咔唑三聚物的电子结构，如HOMO和LUMO能级，能隙，电离能和电子亲和势。

Below 60km, ionization is not due to the sun's ultraviolet and x radiation primarily, but to cosmic radiation.

在60公里以下，电离主要不是由于太阳紫外线和X辐射，而是由于宇宙辐射引起的。

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。