质谱仪

In order to improve the ablation precision,efficiency and the automation of Laser Ablation System in Mass Spectrograph,the intelligentization of laser ablation system was studied in MS by taking inert gas isotope-MS as an experimental subject.

为了提高质谱仪熔样系统的熔样精度、效率和自动化程度，以惰性气体同位素质谱仪为实验对象，对熔样系统的智能化进行研究。

The new antigen P3 peptide which harvested from the 430A peptide synthesizer were verified by the mass spectrograph and HPLC, that the ratio of mass/charge of the synthetic peptide was equal to the molecular weight in theory and its purity was above 95%. The Western blot analysis show that the antiserum induced by the new antigen plus hemocyanin could bind with the 22KD and 55KD proteins, which were existed in the testis tissue protein of mouse, rat and human.

一、经抗原分子设计，在430A自动肽合成仪上合成的新抗原P3，经质谱仪分析证明其荷质比与理论一致；纯化后，其纯度大于95％；将新抗原与KLH偶连后免疫小鼠，经Western blot证实其诱导的特异性抗体可识别小鼠、大鼠、人睾丸组织中分子量约为22KD和55KD左右的蛋白质。

The operating principle and performance of time-of-flight mass spectrometer were introduced.

介绍了飞行时间质谱仪的工作原理及性能特点、莱钢4号转炉应用的飞行时间质谱炉气在线分析系统的组成、安装布局及其同其他生产设备间的相互衔接，以及在现场达到的性能指标。

Aerosol time-of-flight mass spectrometer was used to on-line measure size and mass spectrum of two types of mosquito repellent.

在自行研制的气溶胶飞行时间质谱仪上，对两种蚊香烟气气溶胶单粒子的粒径和质谱进行了实时在线测量。

To meet the requirement of science and technology development, the miniaturization of mass spectrometer has become one of the important trends in analytical instrument development. Miniaturized ion trap mass spectrometer has gained great achievements.

为适应科技发展的需要，质谱议的小型化已成为目前分析仪器发展的一个重要趋势，其中离子阱质谱仪的小型化取得了举世瞩目的成果。

The mass spectrum of the analyzed ions can be achieved by scanning the amplitude of the RF voltage.

的稳定性中所具有的特性，可实现离子的质谱扫描。经过五十多年的发展，四极杆质谱仪已成为一种技术

Naphthol (1HN) clusters have been studied in supersonically cooled molecular beam by using UV laser ionization.

用飞行时间质谱仪和超声速脉冲分子束技术研究了紫外激光对1-萘酚(1HN)团簇的电离质谱。

The composition of the SiGe thin films were controlled by changing the ratio of the area of silicon and germanium. By changing the parameters of substrate temperature and annealing temperature, we examined the microstructure, composition, crystallinity, electrical and thermoelectric properties by field emission scanning electron microscope, X-ray photoelectric spectroscopy, secondary ion mass spectrometer, X-ray diffraction, Hall effect and Seebeck coefficient measurement.

利用改变矽锗靶材面积比例进行薄膜成份的控制，并藉由改变基板温度以及退火温度之制程参数，利用场发射扫描式电子显微镜、化学分析电子能谱仪、二次离子质谱仪、X光绕射仪、霍尔效应量测仪以及自组装之热电量测系统作为分析仪器，分别量测薄膜表面形貌、横截面、成分、结晶性质、电性以及Seebeck系数等特性。

Based on noncontinuous spray for each sprayer, the multiplex low flow system was achieved by applying ESI potential sequentially to the four low flow sprayers, resulting in only one sprayer being sprayed at any given time.

为了使低流速鞘流界面可被应用在多通道毛细管电泳质谱，我们利用非连续电喷洒的概念，使此四根毛细管电泳产生序列式喷洒，再与质谱仪同步化。

Comparing with SEQUEST search results using the data generated by five types of mass spectrometers and the results obtained by different Mascot search parameters, it is found that SEQUEST and Mascot get different results when dataset and search parameters changed.

同时对由五种不同质谱仪产生的质谱数据的SEQUEST搜索结果，及不同参数条件下的Mascot搜索结果进行对比，发现在不同条件下得到的结果相差较大，并且在所有的结果中存在大量的错误匹配。

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