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Relocation of hypocenters from DOMERAPI and BMKG networks： a preliminary result from DOMERAPI project

Earthquake Science 2017年第2期30卷 67-79页

作者： Mohamad Ramdhan Sri Widiyantoro Andri Dian Nugraha Jean-Philippe Métaxian Asep Saepuloh Said Kristyawan Andry Syaly Sembiring Agus Budi Santoso Antoine Laurin ahmad ali fahmi Study Program of Earth Sciences Faculty of Earth Science andTechnology Institute of Technology Bandung Jalan Ganesa No.10 Bandung 40132 Indonesia Agency for Meteorology Climatology and Geophysics(BMKG) Jakarta Indonesia Global Geophysics Research Group Faculty of Mining andPetroleum Engineering Institute of Technology Bandung JalanGanesa No. 10 Bandung 40132 Indonesia Research Center for Disaster Mitigation Institute of TechnologyBandung Jalan Ganesa No. 10 Bandung 40132 Indonesia ISTerre IRD R219 CNRS Universite de Savoie Mont BlancLe Bourget-du-Lac France Faculty of Earth Sciences and Technology Institute of Technology Bandung Jalan Ganesa No. 10 Bandung 40132Indonesia Center for Volcanology and Geological Hazard Mitigation Geological Agency Jalan Diponegoro No. 57 Bandung 40122Indonesia

Merapi volcano located in central Java, Indonesia,is one of the most active stratovolcanoes in the world. Many Earth scientists have conducted studies on this volcano using various methods. The geological features around Merapi are very attractive to be investigated because they have been formed by a complex tectonic process and volcanic activities since tens of millions of years ago. The southern mountain range, Kendeng basin and Opak active fault located around the study area resulted from these processes. DOMERAPI project was conducted to understand deep magma sources of the Merapi volcano comprehensively. The DOMERAPI network was running from October 2013 to mid-April 2015 by deploying 46 broad-band seismometers around the volcano. Several steps, i.e., earthquake event identification,arrival time picking of P and S waves, hypocenter determination and hypocenter relocation, were carried out in this study. We used Geiger＇s method（Geiger 1912） for hypocenter determination and double-difference method for hypocenter relocation. The relocation result will be used to carry out seismic tomographic imaging of structures beneath the Merapi volcano and its surroundings. For the hypocenter determination, the DOMERAPI data were processed simultaneously with those from the Agency for Meteorology, Climatology and Geophysics（BMKG） seismic network in order to minimize the azimuthal gap. We found that the majority of earthquakes occurred outside the DOMERAPI network. There are 464 and 399 earthquakes obtained before and after hypocenter relocation, respectively. The hypocenter relocation result successfully detects some tectonic features, such as a nearly vertical cluster of events indicating a subduction-related backthrust to the south of central Java and a cluster of events to the east of Opak fault suggesting that the fault has an eastward dip.

关键词： Earthquake Relocation DOMERAPI BMKG Tectonic feature

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M_(4)X_(3) MXenes:Application in Energy Storage Devices

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Nano-Micro Letters 2024年第10期16卷 522-542页

作者： Iftikhar Hussain Waqas Ul Arifeen Shahid ali Khan Sikandar Aftab Muhammad Sufyan Javed Sajjad Hussain Muhammad ahmad Xi Chen Jiyun Zhao PRosaiah Khaled fahmi Fawy Adnan Younis Sumanta Sahoo Kaili Zhang Department of Mechanical Engineering City University of Hong Kong83 Tat Chee AvenueKowloon TongHong KongPeople's Republic of China School of Mechanical Engineering Yeungnam UniversityDaehak-roGyeongsan-siGyeongbuk-do 38541South Korea Department of Semiconductor Systems Engineering and Clean Energy Sejong UniversitySeoul 05006Republic of Korea School of Physical Science and Technology Lanzhou UniversityLanzhou 730000People's Republic of China Department of Nanotechnology and Advanced Materials Engineering Sejong UniversitySeoul 05006Republic of Korea Department of Physics Saveetha School of EngineeringSaveetha Institute of Medical and Technical Sciences(SIMATS)ThandalamChennai 602105India Department of Chemistry Faculty of ScienceKing Khalid UniversityP.O.Box 900461413 AbhaSaudi Arabia Department of Physics College of ScienceUnited Arab Emirates UniversityP.O.Box 15551Al-AinUnited Arab Emirates School of Chemical Engineering Yeungnam UniversityGyeongsanGyeongbuk 38541South Korea

MXene has garnered widespread recognition in the scientific com-munity due to its remarkable properties,including excellent thermal stability,high conductivity,good hydrophilicity and dispersibility,easy processability,tunable surface properties,and admirable *** have been categorized into different families based on the number of M and X layers in M_(n+1)X_(n),such as M_(2)X,M_(3)X_(2),M_(4)X_(3),and,recently,M_(5)X_(4).Among these families,M_(2)X and M_(3)X_(2),par-ticularly Ti_(3)C_(2),have been greatly explored while limited studies have been given to M_(5)X_(4)MXene ***,studies on the M_(4)X_(3)MXene family have developed recently,hence,demanding a compilation of evaluated ***,this review provides a systematic overview of the latest advancements in M_(4)X_(3)MXenes,focusing on their properties and applications in energy storage *** objective of this review is to provide guidance to researchers on fostering M_(4)X_(3)MXene-based nanomaterials,not only for energy storage devices but also for broader applications.

关键词： MXene M_(4)X_(3)MXenes 2D materials Energy storage Properties

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Effect of pressure on the electrical properties of flexible NiPc thin films fabricated by rubbing-in technology

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Chinese Physics B 2021年第1期30卷 328-331页

作者： Khasan S Karimov fahmi F Muhammadsharif Zubair ahmad M Muqeet Rehman Rashid ali GIK Institute of Engineering Sciences and Technology TopiDistrict SwabiKPK23640Pakistan Center for Innovative Development of Science and New Technologies of Academy of Sciences of Tajikistan Dushanbe734025 Department of Physics Faculty of Science and HealthKoya University44023 KoyaKurdistan Region-F.R.Iraq Center for Advanced Materials(CAM) Qatar UniversityP.O.Box 2713DohaQatar Department of Electronic Engineering Jeju National UniversityJejuRepublic of Korea

Nickel phthalocyanine(Ni Pc) film was deposited onto the surface of flexible conductive glass by rubbing-in technology and used to fabricate devices based on ITO/Ni Pc/CNT/rubber structure. The I–V characteristics of the devices were investigated under different uniaxial pressures of 200, 280, and 480 gf/cm^(2), applied perpendicular to the surface of the Ni Pc film. Results showed that the nonlinearity coefficients of the I–V curves are in the range of 2 to 3, which was found to be decreased with the increase of the pressure. The rectification ratio of the devices was estimated to be varied from 1.5 to 3 based on the applied pressure. Concluding, the resistance of the active layers was decreased with the increase of both pressure and voltage. We believe that using the rubbing-in technology under sufficient applied pressure it is possible to utilize Ni Pc for the development of various electronic devices such as diodes, nonlinear resistors, and sensors.

关键词： pressure electrical property NiPc thin film rubbing-in technology

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New type of cancer patients based on triangular cubic hesitant fuzzy TOPSIS method

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International Journal of Biomathematics 2020年第1期13卷 55-78页

作者： aliya fahmi Muhammad Aslam Fuad ali Ahmed Almahdi Fazli Amin Department of Mathematics Hazara University MansehraPakistan Department of Mathematics College of Sciences King Khalid UniversityAbhaSaudi Arabia

In this paper,we define the new idea of triangular cubic hesitant fuzzy number(TCHFN).We discuss some basic operational laws of triangular cubic hesitant fuzzy number and hamming distance of *** introduce the new concept of triangular cubic hesitant TOPSIS ***,we extend the classical cubic hesitant the technique for order of preference by similarity to ideal solution(TOPSIS)method to solve the Multi-Criteria decision-making(MCDM)method based on triangular cubic hesitant TOPSIS *** new ranking method for TCHFNs is used to rank the ***,an illustrative example is given to verify and demonstrate the practicality and effectiveness of the proposed method.

关键词： Triangular cubic hesitant fuzzy number MCDM triangular cubic hesitant fuzzy TOPSIS method numerical application.

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Distinctive Bullet Impact Holes by 9‑mm Caliber Projectile on Sheet Metal Surfaces

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Journal of Forensic Science and Medicine 2022年第3期8卷 97-103页

作者： Syamsul Anuar Abd Malik Farah Ad‑din Nordin Saiful Fazamil Mohd ali ahmad fahmi Lim Abdullah Kah Haw Chang Forensic Science Programme School of Health SciencesHealth CampusUniversiti Sains MalaysiaKubang KerianKelantan Department of Chemistry Division of CriminalisticsForensic Science Analysis CentrePetaling JayaMalaysia

Introduction:A comprehensive scene reconstruction requires forensic investigators to examine the impact marks left on various surfaces to identify whether a projectile produces a specific ***,it is further necessary to determine whether a particular ammunition has caused the *** history,designs of ammunition have evolved with the intended effects,which could leave different impact marks on a target surface,especially by ammunition with a nonconventional *** examination on impact marks and determination of their specific characteristics on sheet metal of vehicle would provide crucialforensic ***:This study was aimed to physically characterize bullet impact holes made by 11 types of 9-mm caliber *** and Methods:Two automotive doors were shot with different ammunitionsfrom the same firearm,and the morphological features of bullet impact holes were observed and ***:Bullet impact holes produced by the various ammunitions could be differentiated through careful observation of bullet hole circumferences,presence of petalling effect,metallic ring and triangular peak at the edge,and deposition of residue at the peripheral area of bullet impact *** with nonconventional design such as Inceptor‑Polycase and GECO Hexagon showed observable morphological differences and discriminated them from bullet impact holes made by conventional ***:A thorough physical examination could aid in distinguishing bullet impact holes and predicting the possible types of ammunition that had made an impact hole on a surface.

关键词： Forensic science bullet hole physical examination Introduction projectile sheet metal

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Climate Change: Droughts and Increasing Desertification in the Middle East, with Special Reference to Iraq

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Engineering（科研） 2022年第7期14卷 235-273页

作者： Nasrat Adamo Nadhir Al-Ansari Varoujan Sissakian Khalid Jehad fahmi Salwan ali Abed Stockholm Sweden Department of Civil Environmental and Natural Resources Engineering Lulea University of Technology Lulea Sweden Management Department University of Kurdistan Hewler Erbil Iraq Consulting Engineering Seismologist SeisEng International Toronto Canada College of Science University of Al-Qadisiyah Diwaniyah Iraq

Climate change impacts on Earth’s atmosphere have caused drastic changes in the environment of most regions of the world. The Middle East region ranks among the worst affected of these regions. This has taken forms of increasing atmospheric temperatures, intensive heat waves, decreased and erratic precipitation and general decline in water resources;all leading to frequent and longer droughts, desertification and giving rise to intensive and recurrent (SDS). The present conditions have led to increasing emissions of (GHG) in the earth atmosphere. All future projections especially those using (IPCC) models and emission scenarios indicate that the Middle East will undergo appreciable decrease in winter precipitation with increasing temperature until the end of this century both of which are inductive to increased dryness and desertification. Iraq as one of the countries of this region and due to its geographical location, its dependence mostly on surface water resources originating from neighboring countries, long years of neglect and bad land management put it in the most precarious and unstable position among the other countries of the region. Modelling studies have shown that Iraq is suffering now from excessive dryness and droughts, increasing loss of vegetation cover areas, increasing encroachment of sand dunes on agricultural lands, in addition to severe and frequent (SDS). These negative repercussions and their mitigations require solutions not on the local level alone but collective cooperation and work from all the countries of the region.

关键词： Climate Change East Mediterranean Region Aridity Indices Droughts Desertification Sand and Dust Storms (SDS) Green House Gases (GHG) Intergovermental Panel for Climate Change (IPCC)

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Mediastinal Hydatid Cyst Mimicking Malignant Mediastinal Neurogenic Tumor

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Open Journal of Thoracic Surgery 2014年第1期4卷 13-16页

作者： Aram Baram fahmi H. Kakamad ali. A. Alawan University of Sulaimani Sulaimani Iraq

Hydatid disease is caused by Echinococcus granulosus parasite. It is an endemic disease;particularly in many Mediterranean countries. The liver and the lungs are most frequently involved. Bone involvement is reported in 1% - 2% of the cases and about 50% of those are seen in the spine. Herein we report a case of primary spinal extradural hydatid cyst that caused paraplegia due to compression of the dorsal spinal cord and was diagnosed initially as case of lumber prolapsed intervertebral disc. The cyst was only discovered when the patient had progressive paraplegia and the preoperative provisional diagnosis was posterior mediastinal neurogenic tumor causing destruction of the pedicle and lamina of the fifth thoracic vertebra. Fortunately, she regained near full power after surgical treatment of her spinal cyst.

关键词： Mediastinal Hydatid Cyst Nuerogenic Tumor Paraplegia

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