检索结果-南通市图书馆

Data-Driven Based Fault Prognosis for Industrial Systems:A Concise Overview

IEEE/CAA Journal of Automatica Sinica 2020年第2期7卷 330-345页

作者： Kai Zhong min han Bing han Faculty of Electronic Information and Electrical Engineering Dalian University of TechnologyDalian 116024China Key Laboratory of Intelligent Control and Optimization for Industrial Equipment of ministry of Education Dalian University of TechnologyDalian 116024China State Key Laboratory of Navigation and Safety Technology Shanghai Ship and Shipping Research InstituteShanghai 200135China

Fault prognosis is mainly referred to the estimation of the operating time before a failure occurs,which is vital for ensuring the stability,safety and long lifetime of degrading industrial *** to the results of fault prognosis,the maintenance strategy for underlying industrial systems can realize the conversion from passive maintenance to active *** the increased complexity and the improved automation level of industrial systems,fault prognosis techniques have become more and more ***,the datadriven based prognosis approaches,which tend to find the hidden fault factors and determine the specific fault occurrence time of the system by analysing historical or real-time measurement data,gain great attention from different industrial *** this context,the major task of this paper is to present a systematic overview of data-driven fault prognosis for industrial ***,the characteristics of different prognosis methods are revealed with the data-based ones being ***,based on the different data characteristics that exist in industrial systems,the corresponding fault prognosis methodologies are illustrated,with emphasis on analyses and comparisons of different prognosis ***,we reveal the current research trends and look forward to the future challenges in this *** review is expected to serve as a tutorial and source of references for fault prognosis researchers.

关键词： Data-driven fault prognosis feature extraction industrial systems

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Twists and turns—How we stepped into and had fun in the “boring” lipid field

引用

Science China(Life Sciences) 2015年第11期58卷 1073-1083页

作者： han min Howard Hughes Medical Institute and University of Colorado at Boulder

Compared to proteins and RNAs, functional specificities associated with structural variations in fatty acids and lipids have been greatly underexplored. This review describes how our lab naively started to work on lipids 14 years ago, and how we have gradually overcome obstacles to address some interesting biological questions by combining genetics with biochemical methods on the nematode Caenorhabditis elegans. Our studies have revealed lipid variants and their metabolic pathways, in specific tissues, impact development and behaviors by regulating specific signaling events. The review also discusses the general research approach, style of lab management, and funding mechanisms that have facilitated the frequent research direction changes in the lab, including the journey into the lipid field.

关键词： monomethyl branched-chain fatty acid mmBCFA glucosylceramide TORC1 IP3 foraging behavior SUN and KASHdomain genetic redundancy

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

A Hyper-Erlang Jump-Diffusion Process and Applications in Finance

引用

Journal of Systems Science & Complexity 2016年第2期29卷 557-572页

作者： DONG Yinghui han min Department of Mathematics and Physics Suzhou University of Science and Technology

This paper studies the first passage time problem for a reflected two-sided jump-diffusion risk model with the jumps having a hyper-Erlang *** authors give the explicit closed-form expression for the joint Laplace transform of the first passage time and the overshoot for the reflected ***,the formula is applied to the ruin problem under the barrier dividend strategy and the pricing of the Russian option.

关键词： Barrier strategy first passage time hyper-Erlang distribution reflected jump-diffusion process Russian option.

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Forkhead box M1 transcription factor:a novel target for pulmonary arterial hypertension therapy

引用

World Journal of Pediatrics 2020年第2期16卷 113-119页

作者： Li Gu han-min Liu Department of Pediatric Pneumology West China Second University HospitalSichuan UniversityChengduChina Key Laboratory of Birth Defects and Related Diseases of Women and Children(Sichuan University) Ministry of EducationWest China Second University HospitalSichuan UniversityNo.20Section 3Renmin South RoadWuhou DistrictChengduChina

Background Forkhead box M1(FoxM1),a member of forkhead family,plays a key role in carcinogenesis,progression,invasion,metastasis and drug *** on the similarities between cancer and pulmonary arterial hypertension,studies on the roles and mechanisms of FoxM1 in pulmonary arterial hypertension have been *** article aims to review recent advances in the mechanisms of signal transduction associated with FoxM1 in pulmonary arterial *** sources Articles were retrieved from PubMed and MEDLINE published after 1990,including-but not limited to FoxM1 and pulmonary arterial *** FoxM 1 is overexpressed in pulmonary artery smooth muscle cells in both pulmonary arterial hypertension patients and animal models,and promotes pulmonary artery smooth muscle cell proliferation and inhibits cell apoptosis via regulating cell cycle *** signaling molecules and pathways,including hypoxia-inducible factors,transforming growth factor-β/Smad,SET domain-containing 3/vascular endothelial growth factor,survivin,cell cycle regulatory genes and DNA damage response network,are reported to cross talk with FoxM1 in pulmonary arterial *** inhibitors are effective in the prevention and treatment of pulmonary arterial hypertension by inhibiting the expression and transcriptional activity of *** FoxM1 has a crucial role in the pathogenesis of pulmonary arterial hypertension and may represent a novel therapeutic *** more details of interaction between FoxM1 and other signaling pathways need to be clarified in the future.

关键词： Forkhead box M1 Proteasome inhibitor Pulmonary arterial hypertension Signaling pathway

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Silicon-based metal-organic frameworks(SiMOFs)for immunogenic cell death in cancer therapy

引用

Nano Research 2025年第1期18卷 628-641页

作者： min han Zishan Chen Shiying Zhou Zunde Liao Xiangting Yi Yao He Yiling Zhong Kam W.Leong College of Pharmacy State Key Laboratory of Bioactive Molecules and Druggability AssessmentJinan UniversityGuangzhou 511443China Department of Biomedical Engineering Columbia UniversityNew YorkNY 10027USA Institute of Functional Nano and Soft Materials(FUNSOM) Soochow UniversitySuzhou 215123China

Silicon-based nanomaterials,known for their unique properties and favorable biocompatibility,significantly impact sectors like energy,electronics,and ***,metalorganic frameworks(MOFs)have emerged as promising candidates for biomedicine,characterized by adjustable chemical composition,high porosity,and ***,the combination of silicon with MOFs to create silicon-based MOF nanostructures(SiMOFs)remains ***,we establish a diverse library of SiMOFs with various nanostructures,including flower-like,capsule-like,hexagonal snowflake-like,and necklace-like morphologies via microwave-assisted *** SiMOFs,with their spacious interiors,are ideal for drug *** are used to load drugs and create drug-loaded SiMOFs(e.g.,SiFeO).SiFeO exhibits excellent photothermal effects and high reactive oxygen species(ROS)generation capacity,enabling synergistic treatments involving chemochemodynamic-photothermal *** approach efficiently triggers immunogenic cell death(ICD)and demonstrates excellent antitumor efficacy in *** staining reveals that the synergistic therapy can modulate the tumor microenvironment(TME)by reducing M2-phenotype macrophages,increasing the activation of antigen-presenting cells(APCs),enhancing the infiltration of CD4^(+)and CD8^(+)T cells,elevating Granzyme B production,and decreasing the presence of immunosuppressive regulatory T cells(Tregs).Consequently,drug-loaded SiMOFs-mediated combination therapy effectively reverses the immunosuppressive TME and activates robust antitumor immune responses by inducing ICD in tumor cells,ultimately achieving superior anticancer efficacy.

关键词： silicon-based nanomaterials nanocarriers immunogenic cell death antitumor immune responses

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

A Kinetic Study on the Control of Nitrogen in Molten Slag and Metal

引用

Journal of Iron and Steel Research International 2011年第S2期18卷 301-309页

作者： Seung min han Dong Joon min Technical Research Laboratories POSCO Pohang 790-785 KOREA Department of Materials Science and Engineering YONSEI University Seoul 120-749 KOREA

Nitrogen can easily contaminate molten steel during the steelmaking process and due to the low nitrogen capacity in slag, it is difficult to remove entrapped nitrogen from liquid steel. Degassing is often done to the steel at secondary steelmaking to lower the nitrogen content, but the control can often be kinetically limited by the steel grade and also the slag composition. Thus, a fundamental understanding of nitrogen dissolution into molten slag and metal including the rate of nitrogen dissolution can help in controlling nitrogen content in the final *** kinetics of nitrogen dissolution in the molten calcium aluminate based slags and in molten steel with various element additions was investigated by measuring the 14N-15N isotope exchange reaction using a mass spectrometer at 1873 *** show that effect of elements on the rate constant of nitrogen dissolution such as Ni in Fe is relatively minimal similar to molybdenum. The surface rate constant of nitrogen dissolution in liquid Fe-10%Ni alloy was found to be 3.77×10-5 (mol/cm2·s·atm).The rate constant of nitrogen dissolution in the CaO-Al2O3-CaF2 slag was found to be wedge shaped, which decreased with increasing CaF2 to about 20 mol% followed by an increase through the rest of the CaF2 composition range. This was related to the effect of CaF2 on the structure of Al-O bonds for this slag.

关键词： rate constant slag structure molten steel isotope exchange technique adsorption coefficient nitrogen surface dissolution

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

CoolVox:Advanced 3D convolutional neural network models for predicting solar radiation on building facades

引用

Building Simulation 2022年第5期15卷 755-768页

作者： Jung min han Eun Seuk Choi Ali Malkawi Harvard University Graduate School of Design CambridgeUSA Harvard Center for Green Buildings and Cities CambridgeUSA Harvard John A.Paulson School of Engineering and Applied Sciences CambridgeUSA

Data-driven models have become increasingly prominent in the building,architecture,and construction *** area ideally suited to exploit this powerful new technology is building performance ***-based models have traditionally been used to estimate the energy flow,air movement,and heat balance of ***,physics-based models require many assumptions,significant computational power,and a considerable amount of time to output *** neural networks(ANNs)with prefabricated or simulated data are likely to be a more feasible option for environmental analysis conducted by designers during the early design *** ANNs require fewer inputs and shorter computation times and offer superior performance and potential for data augmentation,they have received increased attention for predicting the surface solar radiation on ***,ANNs can provide innovative and quick design solutions,enabling designers to receive instantaneous feedback on the effects of a proposed change to a building's *** research introduces deep learning methods as a means of simulating the annual radiation intensities and exposure level of buildings without the need for physics-based *** propose the CoolVox model to demonstrate the feasibility of using 3D convolutional neural networks to predict the surface radiation on building *** CoolVox model accurately predicted the radiation intensities of building facades under different boundary conditions and performed better than ARINet(with average mean square errors of 0.01 and 0.036,respectively)in predicting the radiation intensity both with(validation error=0.0165)and without(validation error=0.0066)the presence of boundary buildings.

关键词： artificial neural networks 3D convolutional neural networks solar radiation simulation building performance simulation

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Microenvironment of Liver Regeneration in Liver Cancer

引用

Chinese Journal of Integrative Medicine 2017年第7期23卷 555-560页

作者： LI han-min YE Zhi-hua Institute of Application Foundation and Institute of Liver Diseases Hubei Provincial Hospital of Traditional Chinese Medicine Affiliated Hospital of Hubei University of Chinese Medicine Wuhan 430061 China Hubei Province Academy of Traditional Chinese Medicine Wuhan 430074 China

The occurrence and development of liver cancer are essentially the most serious outcomes of uncontrolled liver regeneration. The progression of liver cancer is inevitably related to the abnormal microenvironment of liver regeneration. The deterioration observed in the microenvironment of liver regeneration is a necessary condition for the occurrence, development and metastasis of cancer. Therefore, the use of a technique to prevent and treat liver cancer via changes in the microenvironment of liver regeneration is a novel strategy. This strategy would be an effective way to delay, prevent or even reverse cancer occurrence, development and metastasis through an improvement in the liver regeneration microenvironment along with the integrated regulation of multiple components, targets, levels, channels and time sequences. In addition, the treatment of ＂tonifying Shen（Kidney） to regulate liver regeneration and repair by affecting stem cells and their microenvironment＂ can regulate ＂the dynamic imbalance between the normal liver regeneration and the abnormal liver regeneration＂; this would improve the microenvironment of liver regeneration, which is also a mechanism by which liver cancer may be prevented or treated.

关键词： liver regeneration microenvironment liver cancer tonifying Shen(Kidney) to regulate liver regeneration and repair by affecting stem cells and their microenvironment

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Design and Coupled Thermo-Mechanical Analysis of Silicon Carbide Primary Mirror Assembly

引用

Chinese Journal of Aeronautics 2006年第B12期19卷 62-65页

作者： han Yuan-yuan ZhanG Yu-min han Jie-cai Center for Composite Materials Harbin Institute of Technology Harbin 150080 China

Based on the principle that the thermal expansion coefficient of the support structure should match that of the mirror, three schemes of primary mirror assembly were designed. Of them, the first is fused silica mirror plus 4J32 flexible support plus ZTC4 support back plate, the second K9 mirror plus 4J45 flexible support plus ZTC4 support back plate, and the third SiC mirror plus SiC rigid support back plate. A coupled thermo-mechanical analysis of the three primary mirror assemblies was made with finite element method. The results show that the SiC assembly is the best of all schemes in terms of their combination properties due to its elimination of the thermal expansion mismatch between the materials. The analytical results on the cryogenic property of the SiC primary mirror assembly show a higher surface finish of the SiC mirror even under the cryogenic condition.

关键词： silicon carbide primary mirror assembly design coupled thermo-mechanical analysis

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Convergence of cascade algorithm for individual initial function and arbitrary refinement masks

引用

Science China Mathematics 2005年第3期48卷 350-359页

作者： CHEN Dirong han min Department of Applied Mathematics Beijing University of Aeronautics and Aestronautics Beijing 100083China Department of Applied Mathematics Beijing University of Aeronautics and Aestronautics Beijing 100083China

The cascade algorithm plays an important role in computer graphics and wavelet analysis. For any initial function φn, a cascade sequence (φn)n∞=1 constructed by the iteration φn=Cnφn-1=1,2.. where Cαis defined by g∈Lp(R) In this paper, we characterize the convergence of a cascade sequence in terms of a sequence of functions and in terms of joint spectral radius. As a consequence, it is proved that any convergent cascade sequence has a convergence rate of geometry, i.e., ||φ+1-φn||Lp(R)=O((?)n)for some (?)∈(0.1i). The condition of sum rules for the mask is not required. Finally, an example is presented to illustrate our theory.

关键词： refinement mask, refinement equation, cascade algorithm, cascade sequence, sum rule, joint spectral radius.

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：