中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
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Enantioselective total syntheses of (-)-cephalotaxine and (-)-amathaspiramide F through a key Ir/Cu dual catalysis 期刊论文  OAI收割
ORGANIC CHEMISTRY FRONTIERS, 2023, 卷号: 10, 期号: 10, 页码: 2532-2537
作者:  
Sheng,Peng-Zhen;  Li,Lu-Lu;  Zhang,Hongbin;  Wei,Kun;  Yang,Yu-Rong
  |  收藏  |  浏览/下载:4/0  |  提交时间:2024/07/22
Deforestation and fragmentation of natural forests in the upper Changhua watershed, Hainan, China: implications for biodiversity conservation 期刊论文  OAI收割
ENVIRONMENTAL MONITORING AND ASSESSMENT, 2014, 卷号: 24, 期号: 22, 页码: 5164-5169
作者:  
Xu,Jian-Chu
收藏  |  浏览/下载:40/0  |  提交时间:2015/01/20
Comparative analysis of seven marine biological source of mineral drugs 期刊论文  OAI收割
China Journal of Chinese Materia Medica, 2014, 卷号: 39, 期号: 17, 页码: 3321-3325
作者:  
Si Wei;  A Runa;  Li Shangrong;  Zhang Jingxian;  Wu Wanying
  |  收藏  |  浏览/下载:45/0  |  提交时间:2019/01/08
Colorimetric and near-infrared fluorescence turn-on molecular probe for direct and highly selective detection of cysteine in human plasma 期刊论文  OAI收割
journal of materials chemistry, 2011, 卷号: 21, 期号: 4, 页码: 1040-1048
Hao WH; McBride A; McBride S; Gao JP; Wang ZY
收藏  |  浏览/下载:24/0  |  提交时间:2012/06/12
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:36/0  |  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.  
Vibrational analysis of L-serine using the density functional theory 期刊论文  OAI收割
CHINESE PHYSICS, 2005, 卷号: 14, 期号: 12, 页码: 2585
Zhang, Y; Yin, W; Zhang, P; Xu, CY; Han, SH; Li, JC
收藏  |  浏览/下载:27/0  |  提交时间:2013/09/23
Microchip capillary electrophoresis with an integrated indium tin oxide electrode-based electrochemiluminescence detector 期刊论文  OAI收割
analytical chemistry, 2003, 卷号: 75, 期号: 20, 页码: 5435-5440
Qiu HB; Yan JL; Sun XH; Liu JF; Cao WD; Yang XR; Wang EK
收藏  |  浏览/下载:25/0  |  提交时间:2010/09/13