Quantum Chemical Calculation of NMR for Tetramethylsilane ( TMS )

The molecular structures of reaction products were confirmed by HPLC, IR, NMR and MS.

对各步反应产物分别应用HPLC 、 IR 、 NMR、 MS等仪器分析测定,确认了分子结构.

The prepared compounds were confirmed by IR, NMR, TGA and DSC et al.

所合成产物结构经IR, NMR, TGA和DSC等方法确定.

Results Eighteen titled compounds were synthesized, their structure were confirmed by 1 H-NMR and MS analysis.

结果共得到18个目标化合物, 经 1H-NMR 、MS确证其结构.

The application of HPLC-NMR in drug metabolism, natural products analysis and food analysis were reviewed.

综述了目前HPLC-NMR联用技术在药物代谢研究, 天然产物分析以及食品分析等方面的应用.

Nuclear magnetic resonance ( NMR ) relaxation characteristics of crude oil change with temperature varying at different formation depth.

随埋藏深度的不同,地下原油温度有很大的变化,造成其核磁共振 ( NMR ) 弛豫特性差别较大.

Aim at the specialties of BP, NN based on isolation niche technique Genetic Algorithm is proposed.

针对BP神经 网络运行的特点,提出用隔离小生境遗传算法优化传统的BP网络.

Software based on neural network ( NN ) to compensate machine tools therm al deformation is studied.

研究了以神经网络 ( NN ) 为模型的软件补偿不同机床热误差.

DR 1 another form of the wheel and also her home five NN different, more performance-oriented.

另外DR1的轮毂造型也和国内的五娃NN不一样, 显得更加高性能化.

The resultsdemonstrat that three electron trape ( E _ c-0.17 eV , E _ c-0.23 eV, E _ c-0.39 eV ) produced inp ￣ + nn ￣ + structures are characterized by deep level transient spectroscopy.

还可引入三个缺陷能级:氧空位E_ 1(E_ c - 0.17ev) 、 双空位E_2 ( E_ c-0.23eV ) 和E_3(E_c-0.39eV).

This work further con-firms the HTL model for NN _ 1 and NN _ 2 centers.

本工作证实了NN_1和NN_3中心的HTL模型.

Also the NN model was compared with the models obtained respectively by multi-linear and nonlinear regression.

并与多元线性和非线性回归模型作了比较.

The NN slow subsystem keeps the control signal from being saturated.

神经网络缓慢子系统防止控制信号被饱和.

NN inverse control under the-step predictive index function is used in temperature of Air-conditioning control system.

将本文提出的多步预测性能指标函数下的神经网络控制方法应用在 空调房间 温度自动控制系统中.

This paper presents a nearest neighbor ( MK NN ) track correlation algorithm applying to distributed multisensor data fusion.

提出一种适合于分布式多传感器数据融合的新的航迹相关算法 ( MK-NN ).

The project is led by NN the funding director of the media laboratory at the MIT.

该项目是有麻省理工学院媒体实验室的创始人NN领导的.

The principal compressional stress axis obtaind through focal mechanism solutions show NNE and NW orientations.

由震源机制解求出的主压应力轴为北北东向和北西向.

The main controlling structures are the NNE, and NE-trending faults.

区内主要控矿构造为北北东 、 北东向构造.

For more information about NNE, please visit our website.

更多公司详情请参阅我们的网站.

Besides , the Shimmer and NNE are more sensitive and have diagnosis value.

其中shimmer和NNE敏感性高,具有诊断价值.

No admittance without a pass.

无通行证不准进入.