查询词典 mass spectrometer

Quadrupole mass spectrometer was used to analyze the plasma environment of RF magnetron sputtering PTFE target with pulsed bias.

采用四极质谱仪测量了试验参数对高压脉冲增强射频磁控溅射PTFE靶等离子体气氛的影响规律。

The LCQ Advantage is the workhorse ion trap mass spectrometer for 你好gh productivity LC/MS/MS results and is easily upgraded to MSn performance. The LCQ Advantage MAX now features the universal Ion Max source that allows simple tool-less switc你好ng of ionization probes. Ion Sweep Gas reduces chemical noise, w你好le a removable ion capillary tube allows for vent free source maintenance. Reliability combined with an easy-to-use interface, makes the LCQ Advantage MAX an ideal match for routine HPLC environment. Library searchable MS/MS spectra add confidence to the identification of analytes present in complex matrices.

LCQ Advantage MAX高效多级离子阱液质联用仪是离子阱光谱阐发平台，可以举行高效液相层析串联质谱LC/MS/MS阐发，而且可以很容易进级到电喷雾离子阱活络度MSnLCQ Advantage MAX高效多级离子阱液质联用仪此刻的首要独特之处是装有通用的Ion Max离子源，无须东西便可简略的调治离子探针，同时离子探针气体吹扫可以削减化学滋扰旌旗灯号可移植离子毛细现象柱无须真空便可养护LCQ Advantage MAX装备不变靠患上住，操做界面简略易用，抱负般配高效液相质谱测试并可检索液相质谱MS/MS库光谱

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。

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。

Methods: Glipizide gliclazide glyburide glimepiride gliquidone repaglinide nateglinide pioglitazone rosiglitazone metformin phenformin and tolbutamide added in the blank ground samples were extracted with 80% methanol and were separated from an ACQUITY UPLC DBH C18 column with a gradient mobile phase of acetonitrile - 0.2 % formic acid water solution. A tandem quadrupole mass spectrometer equipped with electrospray ionization source was used in positive ion mode multiple reaction monitoring was performed to quantify above mentioned compounds.

被添加在中成药制剂及其包装物中的二甲双胍、苯乙双胍、罗格列酮、吡格列酮、格列吡嗫娶瑞格列奈、甲苯磺丁脲、格列齐特、格列苯脲、那格列奈、格列美脲、格列喹酮等西药成分用80%甲醇提取，以乙腈- 0.2%甲酸水溶液为流动相梯度洗脱，在ACQUITY UPLC DBH C18色谱柱上分离，串联四级杆质谱检测，MRM方式采集并定量。

The process of extraction of antimicrobial substance from Eleocharis tuberose peel with ultrasonic were studied; the properties of antibacterial substances were studied; antibacterial substances was isolated by TLC and silica gel colum chromatography, and the structure of antibacterial substances were identified useing liquid chromatograph mass spectrometer.

包括：采用超声波法提取荸荠皮抑菌物质并获得最佳工艺条件；研究了荸荠皮提取物的稳定性及其对多种菌的抑制作用；通过薄层层析和硅胶柱层析对抑菌物质分离纯化后对抑菌成分进行了初步的结构鉴定。

The experience of gasless laparoscopic surgery using Home-made Abdominal-wall-take-up;2. A home-made capillary interface has been coupled with a high resolution orthogonal-injection time-of-flight mass spectrometer.

介绍了一种自制的毛细管真空接口，用于连接电喷雾离子源(electrospray ionization，ESI)与自制高分辨率垂直引入式飞行时间质谱仪，初步研究了该接口对仪器灵敏度的影响。

F. based on gas chromatography-mass spectrometer method. Essential oil from cultivated variety Inula racemosa Hook. f. was extracted by steam distillation and analyzed by applying GC-MS.

方法］采用水蒸气蒸馏法从藏木香栽培品种中提取挥发油，并用GC-MS联用仪对其挥发油的化学成分进行研究。

Gas chromatograph/mass spectrometer system was used to analyze polycyclic aromatic hydrocarbon (PAHs, including naphthalin, anthracene and fluoranthene) and phthalic acid ester [PAEs, including dimethyl phthalate, diethyl phthalate, diisobutyl phthalate and di(2-ethylhexyl) phthalate] concentration in water samples taken from every treatment units of a large-scale waterworks in a western city whose water source is the upstream of Yangtze river.

以多环芳烃(包括萘、蒽、荧蒽三种物质)和邻苯二甲酸酯包括邻苯二甲酸二甲酯(DMP、邻苯二甲酸二乙酯、邻苯二甲酸二异丁酯、邻苯二甲酸二(2-乙基己基)酯4种物质作为研究对象，采用GC-MS方法测定了以长江为原水的某大型城市给水厂各工艺段水样中的上述物质。

Several aminated Fullerene derivatives were synthesized by the reaction of C〓 with phenylamine, diphenylamine and triethylamine etc., the phenomena of fragmentation and aggregation of the aminated Fullerene derivatives in UV laser desorption ionization mass spectrometer was observed, a few nitrogenous poly-Fullerene ions, such as C〓NH, C〓N〓H〓, C〓N〓H〓, C〓N〓H〓, C〓N〓H〓 etc.

对C〓富勒烯与苯胺、二苯胺、三乙胺等形成的加合物在紫外激光解吸电离作用下可以发生不同寻常的裂解和聚合现象进行了研究，认为其形成机理为：上述加合物在紫外激光解吸电离作用下，发生裂解产生C〓NH、C〓N及C〓等离子，然后它们之间发生聚合，形成如：C〓NH、C〓N〓H〓、C〓N〓H〓、C〓N〓H〓、C〓N〓H〓等含氮原子的聚富勒烯离子。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。