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Linking temporal records

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Frontiers of Computer Science 2012年第3期6卷 293-312页

作者： Pei LI Xin luna DONG Andrea MAURINO Divesh SRIVASTAVA Department of Informatics Systems and Communication University of Milan-Bicocca Milan 20126 Italy Data Management Department AT&T Labs-Research Florham Park NJ 07932 USA

Many data sets contain temporal records which span a long period of time; each record is associated with a time stamp and describes some aspects of a real-world en- tity at a particular time （e.g., author information in DBLP）. In such cases, we often wish to identify records that describe the same entity over time and so be able to perform interest- ing longitudinal data analysis. However, existing record link- age techniques ignore temporal information and fall short for temporal data. This article studies linking temporal records. First, we ap- ply time decay to capture the effect of elapsed time on entity value evolution. Second, instead of comparing each pair of records locally, we propose clustering methods that consider the time order of the records and make global decisions. Ex- perimental results show that our algorithms significantly out- perform traditional linkage methods on various temporal data sets.

关键词： temporal data record linkage data integration

Flow and thermal modeling of liquid metal in expanded microchannel heat sink

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Frontiers in Energy 2023年第6期17卷 796-810页

作者： Mingkuan ZHANG Xudong ZHANG luna GUO Xuan LI Wei RAO Tianjin Key Laboratory for Advanced Mechatronic System Design and Intelligent Control School of Mechanical EngineeringTianjin University of TechnologyTianjin 300384China National Demonstration Center for Experimental Mechanical and Electrical Engineering Education Tianjin University of TechnologyTianjin 300384China Key Laboratory for Thermal Science and Power Engineering of the Ministry of Education Department of Engineering MechanicsTsinghua UniversityBeijing 100084China School of Mechanical Engineering Tianjin University of CommerceTianjin 300134China Institute of Refrigeration and Cryogenics Shanghai Jiao Tong UniversityShanghai 200240China Beijing Key Laboratory of CryoBiomedical Engineering and Key Laboratory of Cryogenics Beijing 100190China

Liquid metal-based microchannel heat sinks (MCHSs) suffer from the low heat capacity of coolant, resulting in an excessive temperature rise of coolant and heat sink when dealing with high-power heat dissipation. In this paper, it was found that expanded space at the top of fins could distribute the heat inside microchannels, reducing the temperature rise of coolant and heat sink. The orthogonal experiments revealed that expanding the top space of channels yielded similar temperature reductions to changing the channel width. The flow and thermal modeling of expanded microchannel heat sink (E-MCHS) were analyzed by both using the 3-dimensional (3D) numerical simulation and the 1-dimensional (1D) thermal resistance model. The fin efficiency of E-MCHS was derived to improve the accuracy of the 1D thermal resistance model. The heat conduction of liquid metal in Z direction and the heat convection between the top surface of fins and the liquid metal could reduce the total thermal resistance (Rt). The above process was effective for microchannels with low channel aspect ratio, low mean velocity (Um) or long heat sink length. The maximum thermal resistance reduction in the example of this paper reached 36.0%. The expanded space endowed the heat sink with lower pressure, which might further reduce the pumping power (P). This rule was feasible both when fins were truncated (h_(2) 0).

关键词： liquid metal cooling heat sink expanded microchannel flow and thermal modeling

PROJECT REGULARITY： DEVELOPMENT AND EVALUATION OF A NEW PROJECT CHARACTERISTIC

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Journal of Systems Science and Systems Engineering 2017年第1期26卷 100-120页

作者： Jordy Batselier mario Vanhoucke Faculty of Economics and Business Administration Ghent Universit)/ Tweekerkenstraat 2 9000 Ghent Belgium Technology and Operations Management Area Vlerick Business School Reep 1 9000 Ghent Belgium UCL School of Management University College London Gower Street London WC1E 6BT United Kingdom

The ability to accurately characterize projects novel project characteristic is developed characteristic, called project regularity, is essential to good project management. Therefore, a reflects the value accrue within a project. This expressed in terms of the newly introduced regular/irregular-indicator RI. The widely accepted management system of earned value management （EVM） forms the basis for evaluation of the new characteristic. More concretely, the influence of project regularity on EVMforecasting accuracy is assessed, and is shown to be significant for both time and cost forecasting. Moreover, this effect appears to be stronger than that of the widely used characteristic of project seriality expressed by the serial/parallel-indicator SP. Therefore, project regularity could also be useful as an input parameter for project network generators. Furthermore, the introduction of project regularity can provide project managers with a more accurate indication of the time and cost forecasting accuracy that is to be expected for a certain project and, correspondingly, of how a project should be built up in order to obtain more reliable forecasts during project control.

关键词： Project management earned value management time and cost forecasting empirical database Monte Carlo simulation project control system

Bacterial and archaeal communities in saline soils from a Los Negritos geothermal area in Mexico

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Pedosphere 2023年第2期33卷 312-320页

作者： Joseph GUEVARA-luna mario HERNÁNDEZ-GUZMÁN Nina MONTOYA-CIRIACO Luc DENDOOVEN Marina Olivia FRANCO-HERNÁNDEZ Paulina ESTRADA-DE LOS SANTOS María Soledad VÁSQUEZ-MURRIETA Escuela Nacional de Ciencias Biológicas Instituto Politécnico NacionalCiudad de México 11340(Mexico) Laboratory of Soil Ecology CinvestavMexico City 07360(Mexico) Centro Tlaxcala de Biología de la Conducta Universidad Autónoma de Tlaxcala.Carretera Federal Tlaxcala-Puebla km.1.5Tlaxcala 90070(Mexico) Unidad Profesional Interdisciplinaria de Biotecnología Instituto Politécnico NacionalCiudad de México 07340(Mexico)

In recent years,there has been a growing need to understand how salinity affects microbial communities in agricultural *** and bacterial community diversities and structures were investigated by high-throughput sequencing analysis of their 16S rRNA in two arable soils with low electrical conductivity(EC)(2.3 and 2.6 dS m^(-1))and a saline soil(EC=17.6 dS m^(-1)).The dominant bacterial phyla in the soils were Proteobacteria(relative abundance(RA)=46.2%),followed by Acidobacteria(RA=13.1%)and Actinobacteria(RA=10.0%),whereas Serratia(RA=6.0%)and Bacillus(RA=4.0%)were the dominant bacterial *** Nitrososphaera(53.5%)was the dominant archaeal phylotype in the arable soils,whereas Nitrosopumilus(RA=0.4%)dominated in the saline *** archaeal and bacterial community structures were different between the soils and significantly correlated with soil sand,arsenic,barium,and antimony contents,but not with soil salinity.

关键词： agricultural soil compositional approach microbial community mud volcano soil salinity soluble anion

Proteomic analysis reveals dysregulated cell sign aling in ejaculated spermatozoa from in fertile men

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Asian Journal of Andrology 2019年第2期21卷 121-130页

作者： luna Samanta Rakesh Sharma Zhihong Cui Ashok Agarwal American Center for Reproductive Medicine Cleveland ClinicClevelandOH 44195USA Department of Zoology School of Life SciencesRavenshaw UniversityCuttackOdisha 753003India Institute of Toxicology The Third Military Medical UniversityChongqing 400038China

Dysfunctional sperm maturation is the primary reason for the poor sperm motility and morphology in infertile *** from infertile men were fractioned on three-layer density gradient(80%,60%,and 40%).Fraction 1(Fl)refers to the least mature stage having the lowest den sity,whereas the fraction 4(F4)in eludes the most dense and morphologically mature motile *** 2(F2)and fraction 3(F3)represent the intermediate *** were extracted and separated by dimensional *** were digested with trypsin and analyzed on a LTQ-Orbitrap Elite hybrid mass spectrometer *** annotations of proteins were obtained using bioinformatics tools and pathway databases.A total of 1585 proteins were detected in the four fractions of spermatozoa.A dysregulated protein turnover and protein folding may lead to accumulation of defective proteins or proteins that otherwise would have been eliminated during the process of maturation,resulting in the impairment of sperm fun *** nt chaper one expressi on may be a major con tributing factor to the defective sperm *** n receptor was predicted as a transcription regulator in one of the networks and the affected pathways were chaperone-mediated stress response,proteosomal pathway,and sperm *** down regulation of key pathways and protei ns which compromises the fertilizi ng potential of spermatozoa may provide in sight into the mecha nisms that lead to male infertility.

关键词： androgen receptor chaperone immature sperm infertile men proteasome spermatozoa

Identification and Characterization of Sulfur Compounds in Straight-Run Diesel Using Comprehensive Two-Dimensional GC Coupled with TOF MS

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China Petroleum Processing & Petrochemical Technology 2014年第3期16卷 10-18页

作者： Niu luna Liu Zelong Tian Songbai Research Institute of Petroleum Processing SINOPEC

The solid-phase extraction using Pd-Al2O3 as the stationary phase was employed to pre-separate the sulfur compounds in straight-run diesel. The isolating effect was evaluated quantitatively by gas chromatography with a sulfur chemiluminescence detector to harvest a satisfactory result. The identification of the structure of sulfur compounds by comprehensive two-dimensional gas chromatography coupled with the time-of-flight mass spectrometry indicated that cyclo-sulfides, benzothiophenes, dibenzothiophenes, dihydro-benzothiophenes and tetrahydro-dibenzothiophenes were included in straightrun diesel obtained from the Arab medium crude(AM). A total of 259 individual compounds were detected and their molecular structures were identified. The analytical method was approved as an effective way to characterize the composition of sulfur compounds, which reduced the interference of other compounds, facilitated the data presentation and provided more detailed information about molecular composition of sulfur compounds.

关键词： sulfur compounds straight-run diesel solid-phase extraction (SPE) comprehensive two-dimensional gas chromatographycoupled with the time-of-flight mass spectrometry (GC×GC-TOF MS)

Renewable Energy Penetration Strengthened Using a Reversible Solid Oxide Cell Installed in a Building

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CSEE Journal of Power and Energy Systems 2022年第2期8卷 360-368页

作者： mario Lamagna Davide Astiaso Garcia Astronautical Electrical and Energy Engineering Department(DIAEE)Sapienza University of RomeItaly Planning DesignTechnology of Architecture Department(DPDTA)Sapienza University of RomeItaly

The renewable energy source(RES)penetration in end use must be strengthened to reach the prefixed decarbonization targets.A penetration obstacle is represented by the Power Grid,designed with an architecture disinclined to RES ***,different solutions are available to integrate these latter issues without affecting the Grid,among these,the reversible Solid Oxide Cell(rSOC)promises high efficiencies and the possibility to control energy fluxes in both production and *** this study,a series of hourly simulations based on real data were designed to evaluate the rSOC capacity to integrate a large number of RESs in the end use of three different buildings,through analyzing the possible congestion on the Power *** a rSOC model we chose the Smart Energy Hub proposed by Sylfen while for the buildings we selected a school,a hotel,and an office located in Procida,*** results show the rSOC capacity to integrate RES increased from 40%to 62%according to the storage capacity and the building’s hourly load curve and seasonal consumptions.

关键词： Green hydrogen RES integration rSOC power-to-power

Biomaterials and additive manufacturing:osteochondral scaffold innovation applied to osteoarthritis(BAMOS project)

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Journal of Zhejiang University-Science A(Applied Physics & Engineering) 2018年第4期19卷 329-330页

作者： mario MONZóN Departamento de Ingeniería Mecánica Universidad de Las Palmas de Gran CanariaEdificio de Fabricación Integrada

Osteoarthritis(OA)is a degenerative joint disease,typified by a loss of quality of cartilage and changes in bone at the interface of a joint,resulting in pain,stiffness,and reduced mobility."According to the World Hea... 详细信息

关键词：骨关节炎添加剂 ma 革新支架工程活动性疾病

Cellular reprogramming and inherited peripheral neuropathies: perspectives and challenges

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Neural Regeneration Research 2015年第6期10卷 894-896页

作者： mario A.Saporta Department of Neurology Universidade Federal Fluminense

Inherited peripheral neuropathies （or Charcot-Marie-Tooth disease, CMT） are a phenotypically and genetically heterogeneous group of disorders, which are currently untreatable. They are the most common inherited neuromuscular disorder, affecting around 1 in every 2,500 people （over 120,000 people in the US）. Based on clinical neurophysiological and histopathological features, inherited neuropathies can be divided into two major forms： demyelinating （type 1） and axonal （type 2） CMT （Saporta, 2014）.

关键词： gene CMT Cellular reprogramming and inherited peripheral neuropathies perspectives and challenges LITAF