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检索条件"主题词=stratification"
151 条 记 录,以下是51-60 订阅
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Anomalous SmKS induced by postcritical reflection and refraction at the core-mantle boundary
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Science Bulletin 2019年 第21期64卷 1601-1607页
作者: Liwei Wang Fenglin Niu State Key Laboratory of Petroleum Resources and Prospecting and Unconventional Petroleum Research InstituteChina University of Petroleum BeijingBeijing 102249China Department of Earth Environmental and Planetary SciencesRice UniversityHoustonTX 77005USA
Earth’s outer core is generally thought to be a well-mixed liquid consisting mostly of iron and a small amount of lighter elements.Recent seismic studies using Sm KS waves show that the top a few hundred kilometers o... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Quantitative computed tomography analysis for stratifying the severity of Coronavirus Disease 2019
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Journal of Pharmaceutical Analysis 2020年 第2期10卷 123-129页
作者: Cong Shen Nan Yu Shubo Cai Jie Zhou Jiexin Sheng Kang Liu Heping Zhou Youmin Guo Gang Niu Department of Medical Imaging The First Affiliated Hospital of Xi'an Jiaotong UniversityXi'an710061ShaanxiChina Department of Radiology The Affiliated Hospital of Shaanxi University of Traditional Chinese MedicineXianyang712000ShaanxiChina Department of Radiology Xi'an Chest HospitalXi'an710100ShaanxiChina Department of Radiology Hanzhong Central HospitalHanzhong723000ShaanxiChina Department of CT&MR Imaging Weinan Central HospitalWeinan714000ShaanxiChina Department of Radiology Ankang Central HospitalAnkang725000ShaanxiChina
To examine the feasibility of using a computer tool for stratifying the severity of Coronavirus Disease 2019(COVID-19)based on computed tomography(CT)images.We retrospectively examined 44 confirmed COVID-19 cases.All ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
MicroRNAs in the prognosis and therapy of colorectal cancer: From bench to bedside
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World Journal of Gastroenterology 2018年 第27期24卷 2949-2973页
作者: Kenneth KW To Christy WS Tong Mingxia Wu William CS Cho School of Pharmacy Faculty of Medicine the Chinese University of Hong Kong Department of Clinical Oncology Queen Elizabeth Hospital
MicroRNAs(miRNAs) are small, single-stranded, noncoding RNAs that can post-transcriptionally regulate the expression of various oncogenes and tumor suppressor genes. Dysregulated expression of many miRNAs have been sh... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
GENERAL CAUCHY PROBLEM FOR THE LINEAR SHALLOW-WATER EQUATIONS ON AN EQUATORIAL BETA-PLANE
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Journal of Hydrodynamics 2006年 第3期18卷 303-309页
作者: SHEN Chun SHI Wei-hui School of Mathematics and Information Yantai Normal University Yantai 264025 China Shanghai Institute of Applied Mathematics and Mechanics Shanghai University Shanghai 200072 China Department of Mathematics Shanghai University Shanghai 200444 China
Based on the theory of stratification, the well-posedness of the initial value problem for the linear shallow-water equations on an equatorial beta-plane was discussed. The sufficient and necessary conditions of the e... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Main issues in research and practice of environmental protection for water conservancy and hydropower projects in China
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Water Science and Engineering 2016年 第4期9卷 312-323页
作者: Ang Chen Miao Wu Kai-qi Chen Zhi-yu Sun Chen Shen Peng-yuan Wang Institute of Hydropower and Environment Research China Three Gorges Corporation School of Civil Engineering Tsinghua University College of Hydrology and Water Resources Hohai University Appraisal Center for Environment and Engineering Ministry of Environmental Protection
In this paper,we generally summarize the main issues in the operational period of water conservancy and hydropower projects in China over the past several decades.First,the adverse impacts of these projects since the ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Behavior of noncircular tunnels excavated in stratified rock masses-Case of underground coal mines
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Journal of Rock Mechanics and Geotechnical Engineering 2019年 第1期11卷 99-110页
作者: Ngoc Anh Do Daniel Dias Van Diep Dinh Tien Tung Tran Van Canh Dao Viet Doan Dao Phuc Nhan Nguyen Department of Underground and Mining Construction.Faculty of Civil Engineering Hanoi University of Mining and Ceology School of Automotive and Transportation Engineering Hefei University of Technology Laboratory 35R Crenoble Alpes University
The amount of tunnels excavated along stratified/sedimentary rock masses in Quangninh coal mine area,Vietnam, is gradually increasing. Rock mass in Quangninh is characterized by beddings between rock layers. The behav... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
AN EXPERIMENTAL STUDY ON EFFECTS OF THE BETA TOPOGRAPHY ON SURFACE FLOWS IN A ROTATING ANNULUS SUBJECT TO RADIAL TEMPERATURE GRADIENT
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Journal of Hydrodynamics 2005年 第5期17卷 558-563页
作者: LIN Shang-jin WEI Gang LIU Li-long LIU Yu-di School of Science PLA University of Science and Technology Nanjing 211101 China School of Naval Architecture Ocean and Civil Engineering Shanghai Jiaotong University Shanghai 200030 China
Beta effects on surface flows in a rotating annulus with a radial temperature gradient and a sloping bottom were studied experimentally. An azimuthal jet was produced by the action of the Coriolis force in the convect... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Numerical simulation and analysis of confined turbulent buoyant jet with variable source
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Journal of Hydrodynamics 2015年 第6期27卷 955-968页
作者: EL-AMIN Mohamed F. AL-GHAMDI Abdulmajeed SALAMA Amgad SUN Shuyu Mathematics Department Faculty of ScienceAswan University Computational Transport Phenomena Laboratory(CTPL) Division of Physical Sciences and Engineering(PSE)King Abdullah University of Science and Technology(KAUST) College of Engineering and Islamic Architecture Umm Al-Qura University
In this work, experimental and numerical investigations are undertaken for confined buoyant turbulent jet with varying inlet temperatures. Results of the experimental work and numerical simulations for the problem und... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Predicting systemic spread in early colorectal cancer: Can we do better?
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World Journal of Gastroenterology 2019年 第23期25卷 2887-2897页
作者: Scarlet Fiona Brockmoeller Nicholas Paul West Pathology and Data Analytics Leeds Institute of Medical Research at St.James’sUniversity of LeedsSchool of MedicineLeeds LS97TFUnited Kingdom
Through the implementation of national bowel cancer screening programmes we have seen a three-fold increase in early pT1 colorectal cancers, but how these lesions should be managed is currently unclear. Local excision... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Validation of the six-and-twelve criteria among patients with hepatocellular carcinoma and performance score 1 receiving transarterial chemoembolization
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World Journal of Gastroenterology 2020年 第15期26卷 1805-1819页
作者: Zhe-Xuan Wang Jing Li En-Xin Wang Dong-Dong Xia Wei Bai Qiu-He Wang Jie Yuan Xiao-Mei Li Jing Niu Zhan-Xin Yin Jie-Lai Xia Dai-Ming Fan Guo-Hong Han Department of Liver Disease and Digestive Interventional Radiology National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive DiseasesFourth Military Medical UniversityXi’an 710032Shaanxi ProvinceChina Department of Health Statistics Fourth Military Medical UniversityXi’an 710032Shaanxi ProvinceChina
BACKGROUND Transarterial chemoembolization(TACE)is recommended for patients with intermediate hepatocellular carcinoma(HCC)according to treatment guidelines.However,a large number of patients with advanced HCC also re... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论