Design and Implementation of Digital Receiver for Locking Fields in NMR Spectrometer 核磁共振波谱仪锁场数字接收机的设计与实现
Debug of Integrated and Embedded NMR Spectrometer and Design of Device Drivers Gradient Shimming in Magnetic Resonance Imaging Magnet 基于嵌入式操作系统的一体化核磁共振谱仪调试及底层驱动设计永磁磁共振成像系统磁体的梯度匀场方法研究
Wed like to introduce the basic principle of the FT-80A NMR spectrometer, and also the fixing of itsmagnetic system, lock channel, the observation channel by some of typical examples. 简述了FT-80A核磁共振波谱仪的基本原理,以几个典型故障事例分别介绍磁体部分、锁通道和观测通道的故障检修,最后总结了维修工作的体会。
Multi-Layer Architecture Design of Software Used on NMR Spectrometer Console 一种NMR谱仪控制台软件系统的多层架构设计
Pulsed-wave NMR spectrometer Research on Angle Measuring Precision Improvement for Low Angle Tracking Monopulse Radar under Rain Clutter 雨杂波下单脉冲低角跟踪雷达测角精度改善方法研究
Carbon-~ ( 13) NMR spectra of five DGEBA epoxy resins were obtained on FT-80A NMR Spectrometer with quantitative method. 通过最佳定量条件的选择,在FT-80ANMR谱仪上获得了五种商品牌号DGEBA环氧树脂的~(13)C谱。
The 1H-NMR, 13 C-NMR spectra of unknown sample were obtained on FT-80 A NMR spectrometer with dimethyl sulfoxide ( DMSO-dg) as solvent. 采用FT-NMR波谱仪,以氘代二甲基亚矾为溶剂,测定了未知结构聚氨酯(PU)弹性体的~1H-,~(13)C-NMR谱。
Troubleshooting of Lock Channel in UNITY-400 Superconducting NMR Spectrometer UNITY-400超导核磁共振波谱仪锁通道故障维修几例
Presents an NMR imaging by means of normal analysed NMR spectrometer with a picture processing system of X-CT. 本文介绍一个在常规分析用的连续波核磁共振波谱仪并在X-CT的图象处理系统配合下完成的核磁共振成象。
A parallel interface for ibm-pc/ xt computer with FX NMR spectrometer FXNMR谱仪与IBM-PC/XT计算机的并行联机
An NMR micro-imaging system was developed on a conventional NMR spectrometer. 在常规核磁共振谱仪上自行设计和研制了一套磁共振微成象系统。
This paper describes the founding of a broadband-pulsed NMR spectrometer based on a commercial DC SQUID amplifier with wideband electronics, and the design of saddle-shaped transmitter coil& pickup coil as well as the design of cryogenic apparatus. 文中描述了在带有宽带电子设备的商业dcSQUID基础上建立起宽带脉冲谱仪,以及马鞍形激发线圈、采集线圈和低温装置的设计,并测量了铂样品在4.2Kz温度下的NMR信号。
Elimination of the Magnetic Field Drift and Lock Lost in Superconducting NMR Spectrometer 超导核磁共振波谱仪磁场漂移及掉锁故障的排除
Application of mq 20 NMR spectrometer on polypropylene production equipment for the measurement of isotacticity mq20型核磁共振谱仪在聚丙烯等规度测定中的应用
A circuit is suggested for a practical implementation of most composite pulse decoupling sequences with the Varian XL-200 NMR spectrometer. 本文还提出了一种电路,使现已提出的大多数组合脉冲去耦序列,能在VarianXL&200NMB谱仪上实现。
The effect of filling factor on sensitivity of NMR spectrometer 填充因子对核磁共振谱仪灵敏度的影响
MLEV-16 Broadband Decoupling System for FX-100 NMR Spectrometer 核磁共振波谱仪MLEV-16宽带去耦系统
A practical software of the job control for NMR spectrometer 一个实用NMR谱仪作业控制软件包
The digitalization for RF system of NMR spectrometer is the improvement of modern NMR spectrometer, and the replacement for analog quadrature phase detection with digital phase detection is a new technology for digital receiver. 核磁共振波谱仪射频系统数字化是现代核磁谱仪的发展方向,用数字检波技术代替模拟正交检波是数字接收机的一项新技术。
The Principle and the Repair of FT-80A NMR Spectrometer FT-80A核磁共振波谱仪的原理及故障修理
Magnetic field homogeneity in high resolution superconducting NMR spectrometer 核磁共振(NMR)高分辨成象高分辨超导NMR谱仪的匀场
A pulsed field gradient unit for use on NMR spectrometer 一种用于核磁共振的脉冲场梯度单元
The MLEV-16 broadband decoupling scheme is built up on FX-100 NMR spectrometer. 本文叙述了在FX&100核磁共振谱仪上进行的MLEV-16宽带去偶实验。
The magnetic system of R-24B high resolution NMR spectrometer and the method for adjustment of its magnetic field homogeneity are described. 本文介绍了R-24B高分辩NMR谱仪的磁铁系统及其调整方法。
For high-frequency NMR spectrometer, in order to complete the precise frequency and phase lock function, magnetic field lock system for maintaining the conditions of nuclear magnetic resonance should be re-designed. 对于高频波谱仪来说,因要求更加精确地鉴相和锁定,就需要重新设计新的磁场稳定系统。
Firstly, the structure of standard commercial spectrometers was introduced. Then, a complete digital integrated NMR spectrometer was designed. 首先,在总结常规核磁共振谱仪结构的基础上,提出了全数字、一体化的谱仪控制台的设计思想。然后,详细介绍了该谱仪控制台的设计思路和硬件结构。
Then we dwelt on the significance of the research work. 2. The digital investigation of integrated NMR spectrometer based on USB interface. 在此基础上,针对本论文的主要工作论述了数字化研究的意义。2.基于USB总线的一体化核磁共振谱仪控制台的数字化研究。
Here, several proteins that are involved in the regulation of gene expression were studied. Solution structures of these proteins were determined by NMR spectrometer and their functions were explored. 我们挑选了几个与基因表达调控相关的蛋白质进行研究,这几个蛋白质的溶液结构通过核磁共振的方法获得,并进行了生物学作用的研究。