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- Both teams used a high-resolution ion microprobe and a mass spectrometer to analyze the crystals. 两研究小组都用了高清晰度离子探针和一组分光计来分析水晶。
- The Secondary Ion Mass Spectrometer (SIMS). especially dynamic SIMS. is the most suitable instrument for particle isotopic analysis. 动态型二次离子质谱(SIMS)是进行微粒同位素分析最适用的测量仪器之一。
- Abstract A modified ion optic system has been developed and used to a orthoranal glow discharge time of flight mass spectrometer (GD -TOFMS). 摘要 本文介绍一种经过改进的离子光学系统,并用于垂直引出式辉光放电飞行时间质谱仪。
- Abstract The principle of ion cyclotron Resonance mass spectrometer is described andsome examples are given for its application to organic chemistry. 摘要 本文介绍了离子回旋共振质谱计的原理和它在有机化学中的应用。
- Abstract The principle and performance of a home-made miniature photoionization ion trap mass spectrometer was introduced. 摘要 介绍了自行研制的紫外光电离离子阱质谱仪的原理和性能。
- It would be a stronger argument, Lunine says, had Cassini’s ion and neutral mass spectrometer found sodium when it flew through the plumes this past March. 而就在今年三月卡西尼探测器在穿越土卫二的喷发物的飞行时,天文学家们利用检测离子与中子云的分光仪再次发现了钠元素的存在。
- A new architecture of digital control system (DCS) was designed, which could be used in both quadrupole mass filter and quadrupole ion trap mass spectrometer. 设计了一个能在四极杆和四极离子阱质谱仪中通用的数字控制系统结构。
- Mass spectrometer plays a key role of modern analytical technology. 质谱是现代分析技术皇冠上的明珠。
- A composite pump was developed which is composed of a nonevaporable getter pump and a sputtering ion pump. 结合消气剂和离子泵的各自优缺点,研制了一种由非蒸散型消气剂泵与冷阴极溅射离子泵组成的复合泵。
- A vacuum interface used for atmospheric pressure ionization ion source was designed to couple with an orthogonal-injection electrospray ionization time-of-flight mass spectrometer (TOFMS). 摘要研制了一种大气压离子源真空接口,并已将其用于自制高分辨率垂直引入式电喷雾电离飞行时间质谱仪。
- Mass Spectrometer is the most widely used high-end analytical instrument. 质谱是常用分析仪器中比较昂贵的设备。
- Figure B shows a scheme of a mass spectrometer coupled to a gas chromatograph. B是气相色谱与质谱联用的框图。
- Each reading by the mass spectrometer creates a kind of chemical “pixel”. 质谱仪给出的每一个分析结果形成一种化学“像素”。
- A time-of-flight secondary ion mass spectrometer(TOF-SIMS),X-ray photoelectron spectroscopy(XPS),an atomic force microscopy(AFM),and contact angle measurements were used to characterize the monolayer. 使用时间飞行二次离子质谱仪(TOF-S IM S)、X射线光电子能谱仪(XPS)、原子力显微镜(AFM)和接触角测量仪对FTE自组装膜进行了表征。
- The electron gun,accelerator structure and klystron of accelerator operate under high vacuum condition.This article introduces the principle,structure and maintenance of Titanium sputtering ion pump. 加速器的电子枪、加速管和速调管等器件要求在高真空条件下工作。本文介绍加速中的钛溅射离子泵的原理、结构和维护方法。
- For the mass spectrometry, Agilent 1100 LC/MSD ... 对于质谱,安捷伦1100液相色谱质谱联用仪质谱使用...
- In this paper,hydrogen and oxygen isotopic composition of pyroxenes from mantle-derived megacryst and xenolith of the kimberlitic lamprophyre pipe in Lujing,Anyuan,Jiangxi Province has been obtained by ion microprobe and mass spectrometer respectively. 利用离子探针和质谱技术分别分析测试了江西安远路迳金伯利质煌斑岩筒辉石巨晶和包体中辉石的氢氧同位素组成。
- To study diffusion behaviors, secondary ion mass spectrometer (SIMS) along with the Boltzmann-Matano inverse method is used to derive concentration-dependent diffusivity of H+ in Z-cut LiNbO3. 在扩散模型方面,以二次离子质谱仪纵深分析,搭配数值方法反推出氢离子于铌酸锂晶体中的浓度相依扩散率。
- The testing technique and system of the newly developed, miniaturized sputtering ion pump with low pumping speed has been developed in accordance with the standards formulated by machine industry. 摘要本文介绍了小抽速微型溅射离子泵的性能测试系统和参考机械行业标准确定的测试方法,探讨了测量结果误差来源。
- One of the advantages of the mass spectrometer is that it can record spectra from small quantities of substance. 质谱计的优点之一是它能记录少量物质的质谱。