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SPECTRA: 作品数：1142被引量：1445H指数：13; 导出分析报告; 相关领域：理学更多>>; 相关作者：杨世学刘宇明何荣幸胡超陈颖更多>>; 相关机构：中国科学院广州海洋地质调查局东南大学上海交通大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金国家高技术研究发展计划更多>>

A fast antibiotic detection method for simplified pretreatment through spectra-based machine learning被引量：3: 《Frontiers of Environmental Science & Engineering》2022年第3期135-146,共12页Yicai Huang Jiayuan Chen Qiannan Duan Yunjin Feng Run Luo Wenjing Wang Fenli Liu Sifan Bi Jianchao Lee; supported by the National Natural Science Foundation of China(Grant No.50309011);the Research Project of Shaanxi Province(2011K17-03-06);the Natural Science Basic Research Plan in the Shaanxi Province of China(No.2021JQ436);the Scientific Research Foundation for the Retuned Overseas Chinese Scholars(08501041585).; Antibiotics are widely used in medicine and animal husbandry.However,due to the resistance of antibiotics to degradation,large amounts of antibiotics enter the environment,posing a potential risk to the ecosystem and ...; 关键词：Antibiotic contamination Spectral detection Machine learning

CONVERGENCE OF LAPLACIAN SPECTR A FROM R ANDOM SA MPLES: 《Journal of Computational Mathematics》2020年第6期952-984,共33页Wenqi Tao Zuoqiang Shi; This research was supported by NSFC Grant 11671005.; Eigenvectors and eigenvalues of discrete Laplacians are often used for manifold learning and nonlinear dimensionality reduction.Graph Laplacian is one widely used discrete laplacian on point cloud.It was previously pr...; 关键词：Graph Laplacian Laplacian spectra Random samples Spectral convergence

Visual response effects of western flower thrips manipulated by different light spectra被引量：2: 《International Journal of Agricultural and Biological Engineering》2019年第5期21-27,共7页Qihang Liu Yueli Jiang Jin Miao Zhongjun Gong Tong Li Yun Duan Yuqing Wu; support from the Research and Development of New Anti-Moth Materials for Sub Projects of National Key R&D Projects and Evaluation of Control Effects(Grant No.2017YFD0200907);the China Agricultural Research System(Grant No.CARS-03);And Research and Application of New Trapping Technology for Thrips(Grant No.2019CY05).; To understand how spectral light wavelength affects thrips visual sensitivity,the selective response and the approach sensitivity of western flower thrips were examined.The results showed that light intensity affected...; 关键词：western flower thrips visual response effect spectral light ILLUMINATION light energy

Site dependent and spatially varying response spectra被引量：2: 《Earthquake Engineering and Engineering Vibration》2019年第3期497-509,共13页Hakima Djilali Berkane Zamila Harichane Erkan Celebi Sidi Mohammed Elachachi; The goal of this study is to provide a stochastic method to investigate the eff ects of the randomness of soil properties due to their natural spatial variability on the response spectra spatial variation at sites wit...; 关键词：response SPECTRA RANDOMNESS SPECTRAL density MONTE Carlo

Spectral Comparison of Real Spectra with Site Effects Included vs MOC-2008 Teorical Spectra for Guadalajara City, Mexico: 《Open Journal of Civil Engineering》2013年第3期194-201,共8页Héctor E. Rodríguez Lozoya Tonatiuh Domínguez Reyes Alfredo Reyes Salazar Edén Bojórquez Mora Héctor E. Rodríguez Leyva; Guadalajara city is the capital of the Mexican federal state of Jalisco. It is located close to the Pacific coast and is subjected to a large seismic risk. We present a seismic response study for some sites along the ...; 关键词：Response SPECTRA Guadalajara SEISMIC RECORDS Green Function

Substituent effect on spectral and antimicrobial activity of Schiff bases derived from aminobenzoic acids被引量：1: 《Advances in Biological Chemistry》2013年第5期475-479,共5页Felicia N. Ejiah Tolulope M. Fasina Oluwole B. Familoni Folashade T. Ogunsola; The dependence of electronic absorption spectra antimicrobial property on the substituent position was investigated using three Schiff bases derived from salicylaldehyde and isomeric aminobenzoic acids in three solven...; 关键词：SCHIFF Base Aminobenzoic ACID ANTIBACTERIAL Activity Salicyaldehyde Electronic SPECTRA

Partial and Spectral-Viscosity Models for Geophysical Flows: 《Chinese Annals of Mathematics,Series B》2010年第5期579-606,共28页Qingshan CHEN Max GUNZBURGER Xiaoming WANG; supported by the US Department of Energy grant (No. DE-SC0002624) as part of the "Climate Modeling:Simulating Climate at Regional Scale" program;supported by the National Science Foundation(No. DMS0606671,DMS1008852); Two models based on the hydrostatic primitive equations are proposed.The first model is the primitive equations with partial viscosity only,and is oriented towards large-scale wave structures in the ocean and atmosphe...; 关键词：Primitive equations Partial viscosity Spectral-eddy viscosity

Measurements of Bremsstrahlung Spectra on SECRAL: 《Chinese Physics C》2007年第S1期178-181,共4页赵环昱赵红卫马新文孙良亭张雪珍李锡霞王辉马保华曹云冯玉成朱玉华尚勇; Supported by Knowledge Innovation Project of CAS (KJCX1-09);National Natural Science Funds for Distinguished Young Scholar (10225523); The axial emitted bremsstrahlung spectra were measured on SECRAL(Superconducting ECR ion source with Advanced design in Lanzhou)using an HPGe detector.The spectral temperature T_(spe) was obtained from the linear fit ...; 关键词：ECR plasma bremsstrahlung spectrum hot electron spectral temperature T_(spe)

All Fiber-optic Fluorescent Spectral Measurement and Analysis on Alga Chla/c Characteristics: 《Semiconductor Photonics and Technology》2001年第2期120-124,共5页ZHANG Shu-qing (School of Electr. Eng., Yanshan University,Qinhuangdao 066004,CHN); NationalNaturalScienceFoundationofChina(No .6 99770 17); The fluorescent principle used for measuring alga characteristic parameters and the optimum structure design of the instrument are discussed. The fluorescent spectrum of Chla/c and the time-resolved different spectrum...; 关键词：Fluorescent measurement Fiber optic transmission Alga Chla/c characteristic spectra

RAMAN SPECTRAL STUDY ON ISOPOLYTUNGSTATES IN AQUEOUS SOLUTION被引量：2: 《中国有色金属学会会刊：英文版》1998年第4期157-161,共5页Liu, Shijun Chen, Qiyuan Zhang, Pingmin Li, Songqin; ＩＮＴＲＯＤＵＣＴＩＯＮＡｌａｒｇｅｎｕｍｂｅｒｏｆｓｔｕｄｉｅｓｈａｖｅｂｅｎｄｏｎｅｉｎｔｈｅｆｉｅｌｄｏｆｔｈｅａｑｕｅｏｕｓｃｈｅｍｉｓｔｒｙｏｆｉｓｏｐｏｌｙｔｕｎｇｓｔａｔｅｕｓｉｎｇｎｕｍｅｒｏｕｓｅｘ...; 关键词：RAMAN SPECTRA isopolytungstate paratungstate metatungstate

SPECTRA