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2nd International Conference on Energy, Environmental and Information System, ICENIS 2017

作者： Hariyanto Hadi, Sudharto P. Buchori, Imam Doctoral Program at Environment Science Post Graduate School Diponegoro University Indonesia Department of Urban Plannung Engineering Faculty Diponegoro University Indonesia

Population growth and development of city activities take some lands to carry them. As a result, land use competition happens among persons, society or sector. Land necessity for settlement, industry, or sector has taken over farm land, therefore farm land has been converted intensively and massively. Chronologically, population growth will cause land necessity increase. Unproductive land, especially farm land will be converted. Furthermore, farm land conversion will cause carrying capacity change. Carrying capacity has certain bio capacity. With the population growth, it will increase resource consumption;on the other side, farm land conversion will decrease carrying capacity. The objective of the study is to know about the influence of population growth towards carrying capacity (bio capacity) in Semarang city. Land consumption per capita is indeed influenced by city population, the higher the population is, the lower the land consumption per capita. With the population growth, it will influence carrying capacity. Carrying capacity here is the ratio of area to population. Analytical descriptive method is applied in the study with all sub-districts in Semarang city as the analysis unit. Population here is sub-district area and population per sub-district in Semarang city. Population growth data period is from 2000 until 2015. Main variables of the study are area per sub-district, population, population growth, carrying capacity. Result of the study shows significant influence of carrying capacity decrease, especially some outskirts in Semarang city. This condition happens because the outskirts in Semarang city tend to have dense population growth. Range of carrying capacity in Semarang city is from 0,007 to 0,117 of 0 to 1. Almost all sub-districts in Semarang city show miserable condition, except Mijen and Tugu. The conclusion of the study is that population will decrease carrying capacity. Therefore, the government should control population growth by paying atten

关键词： Population statistics

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EGFR and Hippo signaling pathways are involved in organophosphate esters–induced proliferation and migration of triple-negative breast cancer cells

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Environmental science and Pollution Research 2024年第29期31卷 41939-41952页

作者： Xu, Ting Liu, Kaiyue Zhang, Yajie Chen, Yawen Yin, Daqiang Key Laboratory of Yangtze River Water Environment Ministry of Education College of Environmental Science and Engineering Tongji University Shanghai200092 China Shanghai Institute of Pollution Control and Ecological Security Shanghai200092 China Post-doctoral Research Station of Environmental Science and Engineering Tongji University Shanghai200092 China

The widespread application of organophosphate flame retardants has led to pervasive exposure to organophosphate esters (OPEs), prompting considerable concerns regarding their potential health risk to humans. Despite hints from previous research about OPEs’ association with breast cancer, their specific effects and underlying mechanisms of triple-negative breast cancer (TNBC) remain unclear. In this study, we investigated the effects of four representative OPEs on cell proliferation, cell cycle regulation, migration, and the expression of genes and proteins associated with the epidermal growth factor receptor (EGFR) and Hippo signaling pathways in TNBC (MDA-MB-231) cells. Our findings revealed that treatment with 1–25 μM triphenyl phosphate (TPHP) and tris(1,3-dichloro-2-propyl) phosphate (TDCIPP) induced TNBC cell proliferation and accelerated cell cycle progression, with upregulation in MYC, CCND1, and BRCA1 mRNA. Moreover, exposure to 1–25 μM TPHP, 10–25 μM TDCIPP, and 1–10 μM tris (2-chloroethyl) phosphate (TCEP) induced MMP2/9 mRNA expression and enhanced migratory capacity, except for 2-ethylhexyl diphenyl phosphate (EHDPP). Mechanistically, four OPEs treatments activated the EGFR-ERK1/2 and EGFR-PI3K/AKT signaling pathways by increasing the transcript of EGFR, ERK1/2, PI3K, and AKT mRNA. OPEs treatment also suppressed the Hippo signaling pathway by inhibiting the expression of MST1 mRNA and phosphorylation of LATS1, leading to the overactivation of YAP1 protein, thereby promoting TNBC cell proliferation and migration. In summary, our study elucidated that activation of the EGFR signaling pathway and suppression of the Hippo signaling pathway contributed to the proliferation, cell cycle dysregulation, and migration of TNBC cells following exposure to OPEs. © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2024.

关键词： Proteins

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A graph description and analysis framework of liver vascular system

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Journal of Computational Information Systems 2011年第6期7卷 1998-2005页

作者： Chen, Yufei Drechsler, Klaus Laura, Cristina Oyarzun Zhao, Weidong Liu, Yanli Post-doctoral Research Center of Control Science and Engineering Tongji University Shanghai 200092 China Research Center of CAD Tongji University Shanghai 200092 China Fraunhofer Institute for Computer Graphics Research Cognitive Computing and Medical Imaging 64283 Darmstadt Germany

Accurate description and analysis of liver vascular system is critical in diagnosis and treatment of liver diseases. Even though there are plenty of researches put their efforts on the acquisition of optimal visual information in liver vascular system, quite a few studies focus on the quantitatively geometrical and structural analysis on them. In this paper, we proposed a graph description and analysis framework for liver vascular structure representation. First of all, the vessels were enhanced through Hessian eigenvalue calculation in order to be conveniently segmented from the liver image. Secondly, a three dimensional thinning based skeletonization method was applied on the vessel image to obtain the topological structure of the liver vessels. The skeleton result was then represented as a graph, followed by the geometrical attributes computation. Finally, the graph was efficiently pruned to form a directed acyclic vascular tree without redundant and irrelevant branches based on a flow conservation approach. The experiments on liver CT datasets show that the proposed framework can effectively obtain the liver vascular structure and its quantitative description. Copyright © 2011 Binary Information Press.

关键词： Three dimensional computer graphics

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Research on Performance of Terrain Matching Algorithm for Underwater Autonomous Vehicle Based on Particle Filter

Research on Performance of Terrain Matching Algorithm for Un...

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2019年第五届机械工程及自动化科技国际会议

作者： ShenJian Xiong Lu Ba Ning Post-doctoral program on control science and engineering Naval University of Engineering Department of Radar system OrdnanceNCO Academy of Army engineering university

AUV is a powerful tool for exploration and development of marine resources. Underwater terrain matching navigation is an emerging passive autonomous navigation method, which improves the long-term and high-precision navigation capability of AUV. The underwater terrain matching algorithm based on particle filter(PF) use a large number of particle sampling to approximate the system state, which can avoid the Taylor expansion truncation error caused by the terrain linearization method, and has good matching precision and terrain adaptability. However, due to the strong nonlinearity and the uneven distribution of the underwater terrain features, it is difficult to achieve the full-range terrain matching optimize with a single configuration parameter of PF underwater terrain matching algorithm. For this reason, this paper has comprehensively studied the PF terrain matching algorithm(referred to as PF matching algorithm). The principle, accuracy and implementation steps of PF algorithm are analyzed. With the UKF algorithm as a reference, the advantages and disadvantages of PF-based algorithm are studied through computer simulation of terrain matching navigation. The matching precision and terrain adaptability of PF-based algorithm has been tested. From the simulation results, it is concluded that the particle diversity decline is one of the main factors affecting the matching performance, which provides a basis for algorithm performance improvement and engineering adaptability improvement.

关键词： Gaussian AUV MSE UKF Research on Performance of Terrain Matching Algorithm for Underwater Autonomous Vehicle Based on Particle Filter

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Research and development on locomotive HMI display interface

Research and development on locomotive HMI display interface

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4th International Conference on Intelligent Systems Design and engineering Applications, ISDEA 2013

作者： Cheng, Zhuo Zheng, Xiang Department of Computer Science and Technology Dalian Neusoft University of Information Dalian China Post-doctoral Mobile Research Station of Control Science and Engineering Dalian University of Technology Dalian China School of Electronics and Information Engineering Dalian Jiaotong University Dalian China

ISBN: (纸本)9781479927913

Locomotive development is one key way to enhance the railway transporting efficiency. Human machine Interface (HMI) of driver cab is to watch the locomotive running status and to operate some key apparatus such as pantograph up and down, isolation, inhibition and so on. In addition, driver can download locomotive event information includes fault type, apparatus working status, system data. HMI needs to communicate and transfer data with Main Process Unit (MPU) by WorldFIP bus. This paper introduces basic HMI structure, WorldFIP communication theory, HMI display and control function. Through the test in the laboratory and locomotive, data can communicate with MPU and graph show and logic control is similar or better than foreign device. © 2013 IEEE.

关键词： Locomotives

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Thermal reaction characteristics and microstructure evolution of aluminium nano-powder in various mixtures of oxygen and nitrogen atmosphere

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Process Safety and Environmental Protection 2023年 170卷 45-53页

作者： Qu, Jiao Deng, Jun Luo, Zhen-Min Xiao, Yang Shu, Chi-Min Post-doctoral Program Research Centre Xi'an University of Science and Technology No. 58 Yanta Mid. Rd. Shaanxi Xi'an710054 China School of Safety Science and Engineering Xi'an University of Science and Technology No. 58 Yanta Mid. Rd. Shaanxi Xi'an710054 China Shaanxi Key Laboratory of Prevention and Control of Coal Fire No. 58 Yanta Mid. Rd. Shaanxi Xi'an710054 China Department of Safety Health and Environmental Engineering National Yunlin University of Science and Technology Yunlin 64002 Taiwan

Aluminium nano-powder has a small particle size, large specific surface area, and high surface energy, therefore when using it, the risk of fires or explosions is high. In this study, synchronous thermal analyser was used to determine the thermal reaction characteristics of aluminium nano-powder for various oxygen and nitrogen mixtures. The results showed that the oxidation behaviour of aluminium nano-powder could be considered to occur in four stages, according to the characteristic temperature points and polymorphic phase changes. Under experimental heating rates of 5, 10, 15, and 20 K/min, the mass gain and thermal effects of the samples were tested, and also for different oxygen concentrations of 9, 15, and 21 vol%. Changes in the microstructure of the samples were analysed. Oxide layer thickness was found to increase as temperature increased, and this trend was the same for mass change. Surface morphology images of the aluminium particles exhibited agglomeration, melting deformation, rupture, and fragmentation at the different pretreated temperatures of 500, 650, 800, and 900 °C. The results of this study could be used as a basis for exploring oxidation kinetics, and had significance for explosion-proofing technology, particularly with respect to aluminium nano-powder. © 2022 The Institution of Chemical Engineers

关键词： Surface morphology

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Natural antimicrobial properties of liquid smoke derived from cocoa pod shells in meatball preservation

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South African Journal of Chemical engineering 2023年 46卷 106-111页

作者： Desvita, Hera Faisal, M. Mahidin, Mahidin Suhendrayatna Doctoral Program Post Graduate Program Universitas Syiah Kuala Indonesia Research Center for Chemistry National Research and Innovation Agency B.J. Habibie Science and Techno Park Serpong Banten South Tangerang 15314 Indonesia Chemical Engineering Department Faculty of Engineering Universitas Syiah Kuala Indonesia Halal Research Center Universitas Syiah Kuala Indonesia

The liquid smoke, which is produced by pyrolyzing wood materials containing cellulose, hemicellulose, and lignin, can be used to preserve food. Phenolic, acetic, and carbonyl compounds found in liquid smoke can serve as a natural preservative. This study aimed to determine meatball preservation ability of liquid smoke from cocoa pod shells. Specifically, cocoa pod shells were converted to liquid smoke using slow pyrolysis at three different temperatures, 300 °C, 340 °C and 380 °C. Prior to its use, liquid smoke was purified using distillation at 190 °C. Liquid smoke at concentrations of 0.5%–3.0% was then used to preserve meatballs using an immersion method. Total volatile base-nitrogen (TVB-N), total plate count (TPC), and most probable number (MPN) analyses were used to evaluate preservation performance of liquid smoke. The statistical methods for MPN using one-way ANOVA followed by Tukey's tests. The SNI (Standar Nasional Indonesia) threshold to test whether meatballs remained fresh (TVB-N <20 mg N/g). TPC test results indicated that beef meatballs stay fresh at room temperature for 42 h or 48 h of storage using 0.5% or 1%–3% liquid smoke concentrations, respectively. Based on MPN tests showed meatballs could last for 48 h for all samples. Liquid smoke produced from cocoa pod shells can be used as a natural preservative for beef meatballs;however, liquid smoke concentrations influence the maximum preservation period for meatballs. © 2023 The Author(s)

关键词： Cocoa pod shells Liquid smoke MPN Pyrolysis Total plate count Total volatile base-nitrogen

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Semi-enclosed experimental system for coal spontaneous combustion for determining regional distribution of high-temperature zone of coal fire

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International Journal of Coal science & Technology 2022年第5期9卷 124-137页

作者： Jingyu Zhao Hanqi Ming Tao Guo Yuxuan Zhang Jun Deng Jiajia Song Qiang Zeng Chi‑Min Shu School of Safety Science and Engineering Xi’an University of Science&TechnologyXi’an 710054China Shaanxi Key Laboratory of Prevention and Control of Coal Fire Xi’an University of Science&TechnologyXi’an 710054China Post-Doctoral Research Centre for Ecology Institute for Arid Ecology and EnvironmentXinjiang UniversityUrumqi 830046China Xi’an High-Tech Zone Emergency Management Bureau Xi’an 710065China Shaanxi Coal Chemical Industry Technology Research Institute Co.Ltd. Xi’an 710065China Department of Safety Healthand Environmental EngineeringNational Yunlin University of Science and TechnologyDouliou 64002YunlinTaiwanChina

Temperature variation and gas generation at diferent depths and positions in the coal combustion process were studied to determine the propagation and evolution of high temperature regions in the process of coal spontaneous *** study selected coal samples from Mengcun,Shaanxi Province,People’s Republic of China,and developed a semi-enclosed experimental system(furnace)for simulating coal *** thermal mass loss of coal samples under various heating rates(5,10,and 15℃/min)was analyzed through thermogravimetric analysis,and the dynamic characteristics of the coal samples were analyzed;the reliability of the semi-enclosed experimental system was verifed through the equal proportional method of fuzzy *** results reveal that the high-temperature zone is distributed nonlinearly from the middle to the front end of the furnace,and the temperatures of points in this zone decreased gradually as the layer depth *** apparent activation energy of the coal samples during combustion frst increased and then decreased as the conversion degree ***,the proportion of mass loss and the mass loss rate in the coal samples observed in the thermogravimetric experiment is consistent with that observed in the frst and second stages of the experiment conducted using the semi-enclosed *** research fndings can provide a theoretical basis for the prevention and control of hightemperature zones in coal combustion.

关键词： Coalfeld fre area Fuzzy migration path Semi-enclosed experimental system Thermogravimetric analysis Dynamic characteristics

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A Thinning-based Liver Vessel Skeletonization Method

A Thinning-based Liver Vessel Skeletonization Method

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2011 International Conference on Internet Computing and Information Services （ICICIS 2011）

作者： Yufei Chen Klaus Drechsler Weidong Zhao Cristina Oyarzun Laura Post-doctoral Research Center of Control Science and Engineering Tongji University Research Center of CAD Tongji University

In the clinical practice of diagnosis and treatment of liver disease, how to effectively represent and analyze the vascular structure has been a widely studied topic for a long time. In this paper, we propose a method for the threedimensional skeletal graph generation of liver vessels using 3D thinning algorithm and graph theory. First of all, the principal methods for skeletonization are introduced, followed by their comparative analysis. Secondly, the 3D thinning-based skeletonization method together with a filling hole pre-processing on liver vessel image are employed to form the liver skeleton. A graph-based technique is then employed on the skeleton image to efficiently form the liver vascular graph. The thinning-based liver vessel skeletonization method was evaluated on liver vessel images with other two kinds of skeletonization approaches to show its effectiveness and efficiency.

关键词： skeletonization three-dimensional thinning algorithm liver vessel

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Effects of seasonal air temperature variation on airflow and surrounding rock temperature of mines

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International Journal of Coal science & Technology 2019年第3期6卷 388-398页

作者： Xin Yi Lifeng Ren Li Ma Gaoming Wei Wencong Yu Jun Deng Chimin Shu School of Safety Science and Engineering Xi'an University of Science and Technology Xi'an 710054 People's Republic of China Post-doctoral Research Center of Mining Engineering Xi'an University of Science and Technology 58 Yanta Mid. Rd. Xi'an 710054 Shaanxi People's Republic of China Shaanxi Key Laboratory of Prevention and Control of Coal Fire Xi'an 710054 People's Republic of China Graduate School of Engineering Science and Technology National Yunlin University of Science and Technology 123 University Rd. Sec. 3 Douliou 64002 Yunlin Taiwan ROC

In underground mines, high air temperatures in the summer months lead to an increase in inlet airflow temperatures. This leads to seasonal thermal pollution in the mines. This paper examines the dynamics and effects of seasonal variation in surface air temperatures and surrounding rock temperatures in deep coal mines. It also examines temperature variations in the main ventilation circuit, working face, and surrounding rock. The study results revealed that airflow temperatures were significantly affected by seasonal air temperature variations. The greater the distance was between the inlet and the wellhead of the ventilation shaft, the less the effect was on temperature. Moreover, slight temperature variations (1.0-3.0 ℃) were observed between various points on the return route during the summer months. Airflow temperatures along the airflow inlet to the return route of the working face first decreased, but then increased. The temperature field of the surrounding rock increased gradually with increased distance between the mine roadway and inlet, with recorded rock temperatures as high as 40.53 ℃. The radius of the heat-adjusting layer was between 28 and 33 m.

关键词： Seasonal variation Fiber optic temperature measurement Real-time monitoring Deep coal mine Thermal pollution Heat-adjusting layer

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