电离解

Electrospray ionization mass spectrometry and collisional activation technology were used to determine target compound and compounds that were produced in side reactions in ractopamine synthesis .

采用电喷雾电离质谱结合碰撞诱导解离技术分析了合成莱克多巴胺产品溶液中目标化合物和副反应产物。

In the past twenty years the most processes of dissociation and ionization of NaK molecule were studied by using the weak laser fields.

在过去二十年中，人们采用弱激光场研究了很多NaK分子解离与电离动力学过程。

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。

Their innovation, reported this week in Science, is based on desorption electrospray ionisation, an analytical technique which can be deployed in the field.

他们的创新技术，根据这周的科技杂志消息，基于解吸附电喷电离技术desorption electrospray ionisation的技术，这是一种可以在现场进行的可分析技术。

The development and application of matrix assisted laser desorption ionization time of flight mass spectrometry to the analysis of carbohydrates and their conjugates were reviewed.

综述了基质辅助激光解吸电离-飞行时间质谱(MALDI-TOF-MS)的发展、在糖类化合物结构研究时常选用的基质，以及在不同类型糖化合物分析中的应用。

Objective To study the feasibility of bacteria drug resistance determinated by matrix-assisted laxer desorption ionization time-of-flight mass spectrometry(MALDI-TOF-MS).

目的研究基质辅助激光解吸电离飞行时间质谱(MALDI-TOF-MS)用于检测鉴定细菌耐药性的可行性。

The size and the chemical composition of an individual bioaerosol particle were detected in real-time by matrix-assisted laser desorption/ionization on the home-built aerosol time-of-flight mass spectrometer.

利用基质辅助激光解吸电离技术，在自行研制的气溶胶飞行时间质谱仪上实时探测单个生物气溶胶粒子的粒径和化学成分。

The final coated particle exiting from the condenser is then introduced into the aerodynamic particle sizer spectrometer or home-built aerosol laser time-of-flight mass spectrometer, and its aerodynamic size directly effects on the matrix to analyte molar ratio, which is very important for MALDI technique.

利用自行研制的蒸发/冷凝实验装置作为基质辅助激光解吸/电离飞行时间质谱仪的特种接口，通过冷凝方式在线添加基质，冷凝管出口处的最终粒子直接引入空气动力学粒径分析仪或自行研制的飞行时间质谱仪，可对实验室产生的生物气溶胶粒子进行实时检测。

Two novel well-defined star-graft copolymers with poly as main chain are successfully prepared by combination of anionic and atom transfer radical polymerization. Anionic copolymerized 2,5-epoxypropyl-1-ethoxyethyl ether with EO by initiation of mixture of diphenylmethylpotassium and polyol [1,1,1-trispropane or pentaerythritol] to give the well-defined three-arm star poly and four-arm star poly.

用核磁共振(~1H NMR)、红外光谱、元素分析、气相色谱—质谱、凝胶渗透色谱和基质辅助激光解吸附电离飞行时间质谱(MALDI-TOF-MS)等手段对中间产物及最终产物进行了详细地表征，证明了这种合成聚醚为主链的接枝共聚物的方法是可行的，并且是成功的。2。

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。