中国科学院机构知识库网格系统: 检索

Correlation analysis and text classification of chemical accident cases based on word embedding 期刊论文 OAI收割
PROCESS SAFETY AND ENVIRONMENTAL PROTECTION, 2022, 卷号: 158, 页码: 698-710
作者: Jing, Sifeng; Liu, Xiwei; Gong, Xiaoyan; Tang, Ying; Xiong, Gang

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收藏 | 浏览/下载：31/0 | 提交时间：2022/03/17

Text mining Correlation analysis Text classification Word embedding Deep learning Chemical accident cases

Observation of H-1-C-13 and H-1-H-1 proximities in a paramagnetic solid by NMR at high magnetic field under ultra-fast MAS 期刊论文 OAI收割
JOURNAL OF MAGNETIC RESONANCE, 2015, 卷号: 251, 页码: 36-42
作者: Li, Shenhui; Trebosc, Julien; Lafon, Olivier; Zhou, Lei; Shen, Ming

收藏 | 浏览/下载：33/0 | 提交时间：2015/06/23

Solid state NMR Paramagnetic solid 2D correlation spectra Chemical shift assignment

Hydroxyl-Functionalized Ionic Liquid Promoted CO2 Fixation According to Electrostatic Attraction and Hydrogen Bonding Interaction 期刊论文 OAI收割
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 2014, 卷号: 53, 期号: 20, 页码: 8426-8435
作者: Wang, Li; Jin, Xiangfeng; Li, Ping; Zhang, Jinglai; He, Hongyan

收藏 | 浏览/下载：25/0 | 提交时间：2014/08/28

SUPERCRITICAL CARBON-DIOXIDE PROPYLENE-OXIDE CHEMICAL FIXATION CYCLIC CARBONATES HETEROGENEOUS CATALYST ORGANIC CARBONATES CORRELATION-ENERGY COUPLING REACTIONS EPOXIDES CYCLOADDITION

古尔班通古特沙漠土壤水分与化学性质的空间分布/Spatial pattern for soil water and chemical properties in Gurbantunggut Desert[J] 期刊论文 OAI收割
生态学报, 2014, 卷号: 34, 期号: 15, 页码: 4380-4389
作者: 李从娟; 雷加强; 徐新文; 高培; 邱永志

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收藏 | 浏览/下载：35/0 | 提交时间：2017/12/29

A novel strategy to evaluate the quality of traditional Chinese medicine based on the correlation analysis of chemical fingerprint and biological effect 期刊论文 OAI收割
journal of pharmaceutical and biomedical analysis, 2013, 卷号: 83, 页码: 57-64
作者: Wang, Jing; Kong, Hongwei; Yuan, Zimin; Gao, Peng; Dai, Weidong

收藏 | 浏览/下载：38/0 | 提交时间：2014/09/11

Rehmanniae glutinosa Metabolomics Quality evaluation Correlation analysis Chemical fingerprint

Cipadonoids B-G, six new limonoids from Cipadessa cinerascens 期刊论文 OAI收割
TETRAHEDRON, 2009, 卷号: 65, 期号: 36, 页码: 7408-7414
作者: Fang, Xin; Zhang, Qiang; Tan, Chen-Jian; Mu, Shu-Zhen; Lu, Yang

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收藏 | 浏览/下载：21/0 | 提交时间：2012/03/21

Limonoids Absolute Configuration Chemical Correlation Computational Method Biogenetic Relationship

Environmental mechanism of change in cyanobacterial species composition in the northeastern part of Lake Dianchi (China) 期刊论文 OAI收割
FRESENIUS ENVIRONMENTAL BULLETIN, 2007, 卷号: 16, 期号: 1, 页码: 82-90
作者: Xing, Wei; Huang, Wen-min; Liu, Yong-ding; Li, Dun-hai; Shen, Yin-wu

收藏 | 浏览/下载：70/0 | 提交时间：2010/10/13

physical factors chemical factors cyanobacterial species composition canonical correlation analysis (CCA) bottom-up control top-down control Lake Dianchi

The study on the near infrared spectrum technology of sauce component analysis (EI CONFERENCE) 会议论文 OAI收割
ICO20: Optical Information Processing, August 21, 2005 - August 26, 2005, Changchun, China
作者: Li S.; Wang C.; Chen X.; Chen X.; Chen X.

收藏 | 浏览/下载：34/0 | 提交时间：2013/03/25

The author Shangyu Li engages in supervising and inspecting the quality of products. In soy sauce manufacturing quality control of intermediate and final products by many components such as total nitrogen saltless soluble solids nitrogen of amino acids and total acid is demanded. Wet chemistry analytical methods need much labor and time for these analyses. In order to compensate for this problem we used near infrared spectroscopy technology to measure the chemical-composition of soy sauce. In the course of the work a certain amount of soy sauce was collected and was analyzed by wet chemistry analytical methods. The soy sauce was scanned by two kinds of the spectrometer the Fourier Transform near infrared spectrometer (FT-NIR spectrometer) and the filter near infrared spectroscopy analyzer. The near infrared spectroscopy of soy sauce was calibrated with the components of wet chemistry methods by partial least squares regression and stepwise multiple linear regression. The contents of saltless soluble solids total nitrogen total acid and nitrogen of amino acids were predicted by cross validation. The results are compared with the wet chemistry analytical methods. The correlation coefficient and root-mean-square error of prediction (RMSEP) in the better prediction run were found to be 0.961 and 0.206 for total nitrogen 0.913 and 1.215 for saltless soluble solids 0.855 and 0.199 nitrogen of amino acids 0.966 and 0.231 for total acid respectively. The results presented here demonstrate that the NIR spectroscopy technology is promising for fast and reliable determination of major components of soy sauce.

Halodemetallation of (Z)-1-[2-(triaryistannyl) vinyl]-cyclooctanol and correlation of proton chemical shift with electronegativity 期刊论文 OAI收割
chemical research in chinese universities, 2002, 卷号: 18, 期号: 3, 页码: 372-374
作者: Ren, YJ; Yu, LM; Yang, XF; Chen, HL; Bai, RX

收藏 | 浏览/下载：15/0 | 提交时间：2015/11/10

organotin halodemetallation correlation chemical shift electronegativity

A high-resolution C-13 3D CSA-CSA-CSA correlation experiment by means of magic angle turning 期刊论文 OAI收割
JOURNAL OF MAGNETIC RESONANCE, 2000, 卷号: 145, 期号: 2, 页码: 230-236
作者: Hu, JZ; Ye, CH; Pugmire, RJ; Grant, DM

收藏 | 浏览/下载：21/0 | 提交时间：2015/12/01

solid state NMR magic angle turning (MAT) chemical shift anisotropy (CSA) 2D CSA-CSA correlation 3D CSA-CSA-CSA correlation