中国科学院机构知识库网格系统: 检索

Modified reduction to the pole using the estimated total magnetisation direction and variable geomagnetic inclination: application to the Sichuan Basin 期刊论文 OAI收割
EXPLORATION GEOPHYSICS, 2019, 页码: 15
作者: Liu, Kang; Hao, Tianyao; Wen, Baihong; Yang, Hui

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收藏 | 浏览/下载：69/0 | 提交时间：2019/12/04

Magnetisation directions remanent magnetisation total magnetisation differential reduction to the pole gradient cross-correlation

Investigation of the relationship between the air pollution and solar activity 期刊论文 OAI收割
ASTROPHYSICS AND SPACE SCIENCE, 2017, 卷号: 362, 期号: 8
作者: Liu, Bisong; Tan, Chengming; Tan, Baolin

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收藏 | 浏览/下载：33/0 | 提交时间：2017/12/06

Air Pollution Index Sunspot Number Solar Radio Flux Total Solar Irradiance Correlation Conditional Probability

A framework of constraint preserving update schemes for optimization on Stiefel manifold 期刊论文 OAI收割
MATHEMATICAL PROGRAMMING, 2015, 卷号: 153, 期号: 2, 页码: 535-575
作者: Jiang, Bo; Dai, Yu-Hong

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收藏 | 浏览/下载：13/0 | 提交时间：2018/07/30

Stiefel manifold Orthogonality constraint Sphere constraint Range space Null space Barzilai-Borwein-like method Feasible Adaptive nonmonotone line search Low-rank correlation matrix Kohn-Sham total energy minimization Heterogeneous quadratic functions

IMAGE FUSION BASED ON MULTI-OBJECTIVE OPTIMIZATION 期刊论文 OAI收割
INTERNATIONAL JOURNAL OF WAVELETS MULTIRESOLUTION AND INFORMATION PROCESSING, 2014, 卷号: 12, 期号: 2
作者: Xie, Qiwei; Long, Qian; Mita, Seiichi; Guo, Chunzhao; Jiang, An

收藏 | 浏览/下载：30/0 | 提交时间：2015/08/12

Image fusion total variation mutual information correlation measure

离子液体1-乙基-3-甲基咪唑三氟甲基磺酸盐与水之间的氢键作用(英文) 期刊论文 OAI收割
物理化学学报, 2014, 卷号: 30, 期号: 9, 页码: 1605-1610
作者: 宋大勇; 陈静

收藏 | 浏览/下载：48/0 | 提交时间：2014/10/23

Ionic liquid Hydrogen bonding interaction Attenuated total reflectance infrared spectroscopy Two-dimensional correlation spectroscopy 离子液体氢键相互作用衰减全反射红外光谱二维红外相关谱

First-principles study of ground-state properties of U2Mo 期刊论文 OAI收割
Physical Chemistry Chemical Physics, 2014, 卷号: 16, 期号: 48, 页码: 26974-26982
X. Wang; X. Y. Cheng; Y. T. Zhang; R. H. Li; W. W. Xing; P. C. Zhang; X. Q. Chen

收藏 | 浏览/下载：23/0 | 提交时间：2015/01/14

brillouin-zone integrations total-energy calculations augmented-wave method electron-correlation elastic-constants fission-products metallic fuel mo alloys basis-set uranium

Information-Theoretic Outlier Detection for Large-Scale Categorical Data 期刊论文 OAI收割
IEEE TRANSACTIONS ON KNOWLEDGE AND DATA ENGINEERING, 2013, 卷号: 25, 期号: 3, 页码: 589-602
作者: Wu, Shu; Wang, Shengrui

收藏 | 浏览/下载：23/0 | 提交时间：2016/03/30

Outlier detection holoentropy total correlation outlier factor attribute weighting greedy algorithms

Study on the communication from the households in the countries of west China Based on the rural telecom communication charge 会议论文 OAI收割
International Conference on Challenges in Environmental Science and Computer Engineering, CESCE, Wuhan, China, 2010
Wang; Boli1; 2; Zhang; Xiaolei1; Zhu; Bing1; Sun; Changlong1

收藏 | 浏览/下载：38/0 | 提交时间：2011/08/23

Environmental engineering - Telecommunication - Telecommunication systems - Communication distance - Distance communication - East China - Economic activities - Economic development - Farming activities - Low level - Net incomes - Rural telecom communication charge - Strong correlation - TeleCOM - Total charge - West China

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.

Fast determination of total ginsenosides content in Ginseng powder by near infrared reflectance spectroscopy (EI CONFERENCE) 会议论文 OAI收割
ICO20: Biomedical Optics, August 21, 2005 - August 26, 2005, Changchun, China
作者: Chen X.-D.; Chen X.-D.

收藏 | 浏览/下载：27/0 | 提交时间：2013/03/25

Near infrared (NIR) reflectance spectroscopy was used to develop a fast determination method for total ginsenosides in Ginseng (Panax Ginseng) powder. The spectra were analyzed with multiplicative signal correction (MSC) correlation method. The best correlative spectra region with the total ginsenosides content was 1660 nm1880 nm and 2230nm-2380 nm. The NIR calibration models of ginsenosides were built with multiple linear regression (MLR) principle component regression (PCR) and partial least squares (PLS) regression respectively. The results showed that the calibration model built with PLS combined with MSC and the optimal spectrum region was the best one. The correlation coefficient and the root mean square error of correction validation (RMSEC) of the best calibration model were 0.98 and 0.15% respectively. The optimal spectrum region for calibration was 1204nm-2014nm. The result suggested that using NIR to rapidly determinate the total ginsenosides content in ginseng powder were feasible.