质谱仪

In this work, three certified milk powder materials with different PCDD/Fs levels were Soxhlet-extracted and then cleaned up using Power-Prep system automatically. PCDD/Fs and planar PCBs were determined using isotope dilution and high resolution gas chromatography-high resolution mass spectrometry.

自动样品前处理在乳品中二恶英和共平面多氯联苯同时测定中的应用张磊，李敬光，吴永宁，赵云峰(中国疾病预防控制中心营养与食品安全所，北京 100050)摘要：采用索氏提取及自动净化处理系统对乳品进行提取和净化，在高分辨气相色谱-高分辨双聚焦质谱仪上进行定性和定量检测。

This hypothesis was verified by using various spectroscopic techniques like fluorescence, circular dichroism, mass spectrometry and NMR.

为了研究此课题，我们利用了萤光光谱、原二色光谱仪、质谱仪和核磁共振仪来进行研究。

The third is a wide range of applications in communication, military or space science (e.g. PRF radar systems), biotechnology (e.g. Mass Spectrometry, Nuclear Magnetic Resonance) and electrical engineering (e.g. laser systems) etc.

再者能广泛运用於通讯、军事或太空科学，生物医学科技(如：质谱仪、核磁共振仪)及电器工程等。

To elucidate the relationship between otolith microstructure and microchemistry and the life history events of the grey mullet Mugil cephalus in the early stage, the daily growth increments, growth check, Sr/Ca ratios and trace elements in otoliths of the juvenile mullets collected from the four estuaries from NE to SW Taiwan coast from 1996 to 2004 were examined by using the light and electron microscopes, electron probe microanalyzer and laser-ablation inductively coupled plasma mass spectrometry. A transition check was found in otoliths of all mullets.

为了阐明乌鱼耳石微细构造、微化学与其初期生活史事件之关系，本研究於西元1996年至2004年在台湾东北至西南沿岸的四个河口域进行乌鱼稚鱼的采样，然后利用光学及电子显微镜、电子微探仪及雷射熔蚀-感应偶合电浆质谱仪分析稚鱼耳石的日周轮、锶钙比及微量元素组成之变化。

In this study, Naproxen was placed in a polar solvent, such as methanol, while it exposed to high pressure mercury lamp, it undergoes photodegradation. The photodecomposition products were separated and identified using UV, IR, MS and NMR spectroscopies.

研究中将NAP置於极性较高之甲醇溶媒中，当暴露於高压汞灯下，会进行光解反应，利用质谱仪、熔点测定仪、紫外线光谱仪、红外线光谱仪、核磁共振光谱仪进行光解产物结构的鉴定。

We are also distributor of the following companies:Pfeiffer Vacuum-turbo molecular pump, other types of pumps, gauges, Helium leak detector, mass spectrometer; Maxtek, Inc-Quartz crystal thin film deposition controller and sensors; Telemark Inc-E-beam source and power supply, optical thin film monitor; Comdel, Inc-DC and RF power supply; Angstrom Sciences-Magnetron target and materials; Oxford Scientific Limited-Atom sources; Plasma Quest Ltd-Plasma systems for coating and etching; Sentech Instruments GmbH-Ellipsometers.

我们代理的产品包括德国普发真空的全线真空产品(分子泵等各种真空泵，真空计，检漏仪，质谱仪，各种真空零部件)；美国美泰克公司的石英晶体膜厚监测仪，传感器；美国泰利玛科公司的电子枪和光学膜厚控制仪等；美国康戴尔公司的射频，中频和直流电源；英国牛津科学公司的微波等离子体源，电子束蒸发源，原子源，高能电子衍射枪；英国PQL公司等离子体溅射镀膜设备，美国安斯超科学公司的磁控溅射阴极及溅射靶材，德国森泰科仪器公司的椭偏膜厚测量仪和等离子刻蚀沉积设备等。

The fluorinated alkoxide can then react with a variety of substrates.

以核磁共振仪、气相质谱仪与FT-IR进行样品鉴定。

Breath VOCs samples in Tedlar bags were preconcentrated with multi-bed sorbent sampling tubes and analyzed by thermal desorption-GC/MS.

呼气样本用采样袋收集，以复合床热脱附采样管来浓缩呼出气体中挥发性有机物，运用热脱附仪配合气相层析质谱仪来进行分析。

Applications of these new ionization methods to various problems are also discussed. The progress in hybrid TOF instruments and miniaturizing instruments is reviewed and perspectives for the development of TOE-MS instrument are provided.

针对不同的电离方法简单评述了其性能及应用，同时介绍了飞行时间质谱在串联方面的新发展，以及TOF-MS在仪器微型化方面的进展及其应用，并对飞行时间质谱仪今后的发展作了展望。

However,more mass spectrometers are still needed to meet the requirements ofanalytical fields in China.

但是，除少数质谱检漏仪之外，中国的质谱仪市场几乎全部被进口产品占领。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失