bluuebunny/crossref_metadata_2025 huggingface dataset:
Trajectory Tracking between Josephson Junction and Classical Chaotic System Via Iterative Learning Control
Authors: Cheng Chun-Kai , Chao Paul C.-P.
Published: June 2018

This article addresses the trajectory tracking between two non-identical systems with chaotic properties. We employ the Rossler chaotic and RCL-shunted Josephson junctions model in similar phase space to study trajectory tracking. In order to achieve the goal tracking, we afford two stages to approximate the target tracking. The first stage utilizes the active control technique to transfer the output signal from the RCLs-J system into the quasi-Rossler system. Then next, the RCLs-J system employs the proposed the iterative learning control scheme and the control signal from the drive system to trace the trajectory of Rossler system. The numerical results demonstrate the proposed method and the tracking system is asymptotically stable.
Investigating the Links of Interpersonal Trust in Telecom Companies in Poland
Authors: Bulińska-Stangrecka Helena , Bagieńska Anna
Published: June 2018

The purpose of this paper is to examine if there are links between interpersonal trust and competences, relations and cooperation in Polish telecom companies. It examines what factors affect trust in coworkers and managers in sustainable organizations. The paper surveys a sample of 175 employees of telecom companies in Poland by means of a questionnaire. The results indicate that the competences, relations and cooperation are related to interpersonal trust. Regression analysis showed that the competences and relations predict a significant variance in trust amongst coworkers. Additionally, cooperation contributes to prediction of trust in mangers. Given the importance of trust in sustainable organizations, a better comprehension of what factors are related to team confidence provides valuable information for stakeholders. The results provide valuable clues how to improve interpersonal trust in sustainable organizations.
The Development of Russian Church Architecture in The 1990s-2017: The State and Prospects
Authors: Anatolievich Ershov Bogdan , Anatol’evich Ashmarov Igor , Leonidovich Danilchenko Sergey
Published: June 2018

The article examines church architecture in modern Russia. The historical processes of the development of church architecture are analyzed and systematized not only from the point of view of formal stylistic but also global significance. For this purpose, for the first time, a wide range of sources containing information on the sacred component of church art and on the monuments of temple architecture was studied. At the same time, many fragments of sources were first translated into English. The article uses historical and retrospective research methods that allowed to study the theoretical legacy of the modern period in the history of Russia and at the same time to generalize the place of Russian church architecture in the general context of European architectural development.
Bluetooth Smart: Design and Implementation of Positioning Mechanism and System with Low Energy Wireless Sensor Network in Manufacturing Industry
Authors: Chen Shang-Liang , Hsu Cheng-Chia , Li I-Ching
Published: June 2018

To enhance industrial competitiveness and increase productivity, every country has strived to create a smart factory by introducing technologies such as Internet of Things, big data and artificial intelligence into production line and build cyber-physical system for the purpose of promoting manufacturing efficiency. For mission assignment, production line management or manufacturing field analysis, the location information of employee, machine and material is very essential. To promote manufacturing efficiency, of course, the location information became more important. A Bluetooth low energy (BLE) positioning system for the manufacturing is developed in this research. A "Tag tracking" mechanism is addressed and adopted, which uses Beacon to catch the location information and a BLE receiver is also used to receive the broadcasting information from Beacon. The position information from the BLE receiver will be compared with the data in the database for calculating the location of the target. The status of the target may also be obtained by using the data from the BLE receiver. Comparing with the mobile device, this method can reduce energy consumption and make the maintenance simple and easy. In the real applications, the target may not be limited to human. The "Regional label positioning technology" is also investigated in this research. Defining a suitable zone location and arranging BLE receiver location, and positioning analysis theory are the key factors included in this developed technology. The developed system will be tested for real industry applications. The test results show that the feasibility of this technology.
Quantum Nonlocality from Higher-Derivative Gravity
Authors: Duane Gregory S.
Published: June 2018

A classical origin for the quantum potential, as that potential term arises in the quantum mechanical treatment of black holes and Einstein-Rosen (ER) bridges, can be based on 4th-order extensions of Einstein's equations. The 4th-order extension of general relativity required to generate a Bohmian quantum potential is given by adding quadratic curvature terms with coefficients that maintain a fixed ratio, as their magnitudes approach zero. Black hole radiation, and the analogous process of quantum transmission through an ER bridge, can then be described classically. Quantum transmission through the classically non-traversable bridge is replaced by classical transmission through a traversable wormhole. If entangled particles are connected by a Planck-width ER bridge, as conjectured by Maldacena and Susskind, then the classical wormhole transmission effect gives the ontological nonlocal connection between the particles posited in Bohm's interpretation of their entanglement. It is hypothesized that higher-derivative extensions of classical gravity can account for the nonlocal part of the quantum potential generally.
REVERSE MICROEMULSION OF IGEPAL Co-720 SYSTEM AS MICROREACTOR FOR CdS SYNTHESIS
Authors: Rahmawati Fitria , Fitriani Indah Rizki , Masykur Abu
Published: June 2018

A Research on CdS synthesis in reverse microemulsion of Igepal CO-720 system has been conducted at various weight ratio of water to surfactant. Igepal CO-720 naturally forms  oil  in  water  (o/w)  emulsion  type  due  to  its  high  HLB  (Hydrophilic -Lipophilic Balance)  value.  Therefore,  in  this  research  the  Igepal  CO-720  system  was  inversed  into water  in  oil  (w/o)  system  before  it  was  used  as  microreactor  for  CdS  synthesis.  As comparison,  a  system  of  AOT  (Aerosol  OT;  sodium  bis (2-ethylhexyl)  sulfosuccinate) which  is  naturally  w/o  system  was  also  used  as  microreactor  for  CdS  synthesis.  The prepared  CdS  was  analyzed  by  X-ray  diffraction  for  crystal  identification,  scanning electron microscope for morphological analysis, UV-Vis for absorption edge determination and  photoelectrochemical  testing  for  photoactivity.  The  results  show that the  Igepal  CO -720  system can  be  inverted  into  w/o  system  and  can  be  used  as  microreactor  for  CdS synthesis. The prepared CdS is in nanosize with the average diameter of 2.517  ±  0.014 nm and  the  average  gap  energy  of  3.805  ±  0.178  eV.  The  prepared  CdS  in  Igepal  CO-720 system has less regular form in comparison with morphology of the prepared CdS in AOT system. As the ω  values decreases the particle diameter decreases, the gap energy increases and the %  IPCE increases. It indicates that high surfactant concentration allows small size micelles  formation  and  produced  smaller  CdS  particle  that  has  high  surface  area  and therefore  provide  higher  photocatalytic  activity  which  was  indicated  by  high  value  of  its % IPCE.
LIFT OFF PROCESS ON FABRICATION OF CARBON MONOXIDE (CO) GAS SENSOR DEVICES
Authors: Widodo Slamet , Wiranto Goib
Published: June 2018

This paper  discuss  the design and fabrication of microdevice to be used  as platform for  CO (Carbon monoxide)  gas sensor based on tin dioxide (SnO2). The device has been designed on silicon substrate with an active area of 3x3 mm2, and  it is consist of  bonding pad, heater, electrode, and temperature sensor components. The minimum feature size  used is 50 microns, as allowed by the capability of photolithographic process. The formation of microdevice structure  was carried out by  lift-off  technique on platinum (Pt) layer, which was deposited by DC sputtering with aluminum (Al) as sacrificial layer. The overall chip dimension is 5x5 mm2. The measurement  that was  conducted to study the  characteristic of resistance  asfunction  of  temperature  has  shown   that  the  heater  and  temperature  sensor elements  could  work  as  expected,  in  which  their  resistances  change  linearly  as  the temperature of the substrate increase by  20  –  200  °C. The  resistance values of the heater increase  500  –  1000  ohm.  Meanwhile,  the  resistance  increasing  for  temperatur  sensor  is between  100 – 300 ohm. 
USE OF BATTERY CARBON AS ELECTRODES IN ARC DISCHARGE METHOD FOR FABRICATION OF CARBON-MODIFIED TIO2.
Authors: Andhika Isya Fitria , Hertiningtyas Carissa , Aji Ardian , Desy Alifia , Saraswati Teguh Endah , Patiha Patiha
Published: June 2018

Fabrication with carbon-modified TiO2 by arc  discharge  method  in  liquid  medium has  been  studied.  This  research  was  performed  in  two  steps  including  fabrication  and characterization.  This  fabrication  was  done  by  arcdischarge  method  with  graphite electrodes from dry cell batteries and liquid medium suspension of TiO2 in ethanol 30, 50 and  70  %.  A  strong  current  was  applied  to  electrode  as  10 -50  A  (20-40  V). Nanocomposites formed  on  the  liquid  medium  surface  were  collected  and  characterized using X-ray  diffraction (XRD),scanning  electron  microscope (SEM)  dan energy  dispersive spectroscopy (EDS) to determine crystallinity, surface morphology and the constituent elements, respectively.  XRD  data  shows  that the  most  effective  fabrication  TiO2/Karbon by  liquid medium in ethanol 50  %  indicated  from  the formation of a new peak with high intensity  of TiC on 2Ɵ= 36.02 °. SEM data shows that the morphology of each aggregated TiO2/Karbon  compared  to  the  morphology  of  TiO2. In  addition,  EDS  data  shows  the presence of the element carbon, titanium and oxygen  in the same area  indicating that the successful formation of composite material between TiO2 dan carbon.
Microbial Fuel Cell Based Polystyrene Sulfonated Membrane as Proton Exchange Membrane
Authors: Muljani S , Wulanawati A
Published: June 2018

Microbial fuel cell (MFC) represents a major bioelectrochemical system that converts biomass spontaneously into electricity through the activity of microorganisms. The MFC consists of anode and cathode compartments. Microorganisms in MFC liberate electrons while the electron donor is consumed. The produced electron is transmitted to the anode surface, but the generated protons must pass through the proton exchange membrane (PEM) to reach the cathode compartment. PEM, as a key factor, affects electricity generation in MFCs. The study attempted to investigate if the sulfonated polystyrene (SPS) membrane can be used as a PEM in the application on MFC. SPS membrane has been characterized using Fourier transform infrared spectrophotometer (FTIR), scanning electron microscope (SEM) and conductivity.  The result of the conductivity (σ) revealed that the membrane has a promising application for MFC.
ZEOLITE-MODIFIED CARBON PASTE ELECTRODE FOR DETERMINATION OF COPPER USING ANODIC STRIPPING VOLTAMMETRY METHOD
Authors: Irdhawati Irdhawati , Suyanto Hery , Andani Putu Yani
Published: June 2018

In this research, the unmodified and modified carbon paste electrode with zeolite has been prepared, for determination of Cu(II) using anodic stripping voltammetry method. The parameters observed involved deposition time, scan rates, zeolite composition in carbon paste, and validation of working electrode. The optimum performance of carbon paste electrode modified with zeolite was applied for determination of Cu(II) in wastewater of the gong fabrication. The results of this research showed the optimum of deposition time and scan rates obtained at 410 s and 7.5 mV/s for unmodified carbon paste electrode, respectively. The optimum composition of zeolite-modifier is 20% from total graphite, with deposition time 380 s and scan rates 10 mV/s. The detection limit of the measurement of Cu(II) standard solution using unmodified carbon paste electrode is 46.13 ppb, is lower than unmodified carbon paste electrode, 99.93 ppb. Zeolite-modified carbon paste electrode has good precision and accuration. The concentration of Cu(II) in waste water of gong fabrication , using carbon paste electrode modified with zeolite is 93.54 ± 0.87 ppb.
THE EFFECT OF TEMPE FERMENTATION TIME ON THE TOTAL PHENOLIC AND ISOFLAVONE GENISTEIN CONTENTS
Authors: Suharto Kiki Fransiska , Soetjipto Hartati , Martono Yohanes
Published: June 2018

The objective of this study was to evaluate total phenolic compounds and isoflavone genistein contents during 0 - 9 days of fermentation time. Isoflavone extract were obtained by maceration and fractionation. Total phenolic compounds were measured by Folin ciocalteau method, meanwhile, the isoflavone genistein contents were analyzed by a High Performance Liquid Chromatography. The yield of isoflavone extract and the total phenolic compounds were analyzed using a randomized completely block design and the mean between treatments was compared by the Honestly Significant Difference (HSD) test using significance level of 5 %. The highest amount of total phenolic compounds during the incubation time was obtained on 4 days of fermentation time, i.e., 232.05n ± 7.71 μg/g, while the highest content of isoflavone genistein was obtained on 5 days of fermentation time, i.e., 100.48 μg/g. This research confirms that the fermentation process of tempe induces the total phenolic contents and the production of isoflavone genistein is fluctuating.
ANALITICAL METHOD VALIDATION OF ANIONIC SURFACTANT SODIUM DODECYL BENZENE SULFONATE (SDBS) IN CATFISH BY UV-VIS SPECTROPHOTOMETRY USING ACRIDINE ORANGE
Authors: Ratri Monica Cahyaning , Suratman Adhitasari , Roto Roto
Published: June 2018

The analytical method development on an anionic surfactant of sodium dodecylbenzenesulfonate (SDBS) in a catfish using spectrophotometer UV-Vis using acridine orange (AO) has been conducted. This research aims to determine the optimum conditions of analysis and to determine validation parameters of sodium dodecylbenzenesulfonate (SDBS) analysis in a catfish. This study was divided into two steps, isolation of sodium dodecyl benzene sulfonate (SDBS) in the catfish with soxhlet extraction and the analysis of SDBS. The analysis of sodium dodecylbenzenesulfonate (SDBS) is based on the formation of ion pair between dodecylbenzenesulfonate (DBS) and acridine orange (AO). The results showed that the analysis can be performed at 499 nm, using ethanol as acridine orange (AO) solvent, the mole ratio of dodecylbenzenesulfonate (DBS) acridine orange (AO) 2:1, and pH 2.97. The parameters of validation had good acceptability as linearity (r) 0.998, limit of detection 0.0343 mg/L   and limit of quantification 0.104 mg/L, precision 0.382 - 1.78 %, sensitivity 4.64 x 104 L mol-1cm-1, and accuracy (82.11 - 100.3 %).
Perancangan Business Process dan Standard Operating Procedure (SOP) dengan Metode Business Process Improvement (BPI) di Proners Home Care and Nursing Solution Surakarta
Authors: Dibsi Barasena Sayendra , Priyandari Yusuf , Zakaria Roni
Published: June 2018

ProNers Home Care and Nursing Solution is a Home Care company established in 2007 in Surakarta – Central Java. According the fact that ProNers is a service company that make priority to public service, and also the excalation of ProNers’s status to a legal company since July 2012, ProNers needs to redesign the business process and the organizational structure, and to design standard operating procedure (SOP) to carry out their activity. The research uses Business Process Improvement (BPI) method with process reengineering approach which is steps to improve business processes or provide a new processes. First step is to studied the actual business process so we can determine the needs of human resource. Then it will be described in detail in the SOP. The research proposes a more appropriate business process design so the objectives of the company can be achieved. Matrix organizational structure with more focus on job specialization by adding two employees, each of them handle administration and finance division and marketing division. The final design of the SOP consists of nineteen SOPs.
Implementasi Prinsip Ekonomi Gerakan Untuk Pengaturan Tata Letak Fasilitas Kerja Pada Pemrosesan Batu Alam
Authors: Dewi Luciana Triani , Sari Marta Hayu Raras Sita Rukmika , Dewi Chandra , Ariyono Vincensius
Published: June 2018

The layout and arrangement of production facilities is one key to productive and efficient working environment. In planning and setting the layout of the factory, one of the basic principles that should be considered is the planning of work stations. Every operation must be designed in detail by applying economic principles in the movement of goods to and from work station. The study was conducted in a small industry which manufactures natural stone craft in Yogyakarta. Development of work stations design remains to reduce unnecessary activities such as searching and moving equipment activity. Economic principles applied in the development of a facility layout. Evaluation of the layout design was used time study analysis based on the two hand chart before and after improvement of work station layout. Implementation of improved design showed improvement working time for the process which increasing efficiency up to 31.51%. Reduction standard time is achieved because the work methods becomes easier and faster than before.
Analisis Kelayakan Investasi Pengadaan Alat Angkut Material untuk Meminimalkan Biaya Logistik (Studi Kasus: PT. Tiki Cabang Solo)
Authors: M. Ika Shinta , F. Nabila Nur , W. Christian A.
Published: June 2018

Abstract—Management of goods in logistics company is required till deliver the goods quickly and accurately, thus it can improve additional value and can compete with other competitors. But, in fact there are many factors that cause delivery delay. It is experienced by PT. TIKI Branch Solo which has a delay in the delivery of goods from the station to the airport. By fishbone diagram, the main cause is the current method of loading/unloading from truck to the station and vice versa it uses manual handling. Then, it affects to the productivity in terms of time and costs. So, the solution is considered such as forklift and trolley to speed up the process of loading/unloading. Both alternatives compared with manual system use financially and technically process. Based on financial result, trolley is the most effective alternative from the value of Manual Handling Costs is Rp 6.946,67 and Nett Present Value is Rp 43.752.394,91. Technically, trolley is faster than others as goods movement process can be done effectively and efficiently. Finally, it can solve the problem of delivery delay in PT. TIKI Branch Solo.
Perancangan Door trim Mobil Sesuai Keinginan Pengguna City Car
Authors: Utami Devy Kusumoningtyas , Iftadi Irwan , P. D. Danardono D.
Published: June 2018

Nowadays, product design and development has been driven by market opportunity or known as market pull platform. Aimed to satisfy customer needs, this platform engaged customer at the first stage of the product design and development methods to be represented on the designing stage. The aim of this research is evolve driver door trim design of SmarT EV 2 with customer and ergonomic consideration. The proposed methods, based on combination solution of customers need, has arised four alternative design concepts to be assessed and selected. The choosen design as result is alternative design number four consist of power window and locks feature to enhace safety driving, retractable and electric mirror using knob, side pocket indue cup holder inside, gives dynamical sense by streamline-spherical countour design,and warped arm rest design with its panels layout that used and reached easily.
Analisis Pengendalian Persediaan Bahan Baku Menggunakan Metode Min-Max (Studi Kasus PT.Djitoe Indonesia Tobacco)
Authors: Kinanthi Ade Putri , Herlina Durkes , Mahardika Finda Arwi
Published: June 2018

Inventories of raw materials are the company's current assets used for production activities at the company. Companies need to do the inventory control because it affects the smooth production process. A shortage can lead to disruption of the production process. While excess inventory can lead to waste because companies need to spend more capital for inventory costs. The purpose of this study to determine whether the PT. Djitoe Indonesia Tobacco has made raw material inventory control appropriately. Raw material inventory control methods used in this study are a min-max stock. This method determines the amount of safety stock, minimum stock, maximum stock and order quantity. After doing research, PT. Djitoe Indonesia Tobacco excess raw material inventory. Total inventories are controlled using the min-max stock produces more efficient results when compared to the amount of the final inventory of the company. With min-max method the company is able to economize IDR 700,000 for each period.
Pengukuran Kinerja dengan Metode Balance Scorecard pada Perusahaan Printpro
Authors: - Yuniaristanto , Hamdani Irfan Hilmi , Aristyawati Niken , Qodrina Galuh
Published: June 2018

Performance measurement required by each company to conduct an evaluation of various aspects in order to improve the quality and increase the profit of the company. Performance measurement on Printpro done using the Balanced Scorecard method outlined in the Critical Success Factor or Key Performance Index. As for the weighting of each of these perspectives using Paired comparisson. Of the votes obtained some aspects that increase, constant and decreasing. For increased aspect is learning and growth perspective of the year 2014 amounted to 0.334 into 0.418 in 2015. While the constant perspective is the perspective of the customer from 2014 to 2015 is at a value of 0.84. And for the financial perspective of 2014 decreased by 0.835 into 0.752 in 2015, while the internal business perspective also declined from 0.17 in 2014 to 0.08 in 2015
Analisis Postur Kerja Operator Perakitan di Yessy Shoes untuk Mengidentifikasi Resiko Gangguan Muskuloskeletal Akibat Kerja
Authors: Alfara Ifen , Iftadi Irwan , Astuti Rahmaniah Dwi
Published: June 2018

The application of ergonomics in work place is important because the lack of attention can cause health problems to worker, this can be performed by postural assessment using method of visual management, which assessing each elementary operation of a process to the selected domain ergonomics to produce PES (partial ergonomic score) and with a formula then value of OES (overall ergonomic score) is obtaned that shows the operation status of a process. The results obtained from this study is 5 process have value of OES in the range 0.4<OES≤0.5 so operation status is "investigate; change may be needed” while 17 process have value of OES in the range 0.5<OES≤0.7 so operation status is “investigate; change soon”. The conclusion of this study is the change of work posture of the worker is needed, which can be conducted by designing a facility based on the elementary operation with the highest value of PES.
Pemilihan Rancangan Roda Gigi Berdasarkan Karakteristik Material dengan Metode Electre
Authors: Rochman Taufiq
Published: June 2018

Gears is one of machine elements, cylindrical wheels used for transmitting motion and power from one rotary shaft to anothers. The design of the gear is part of the engineering design activities to produce products that are not only superior in terms of technology but produce the design in accordance with the designer. The design of gear involves extensive procedure, complex calculations and many design decision. It is necessary for the design of the gear based on characteristics of material that matches the designer whishes. The characteristics of material on which to base the design include the size of the geometry, the contact stress, bending stress, precision standard and transmission conditions. Selection of gear design to consider the characteristic materials through multi criteria decision making approach. The ELECTRE method is one of MCDM method used to help decision makers choose the best alternative with outranking approach. The results of the analysis with the model ELECTRE is best alternative consists of alternative 3 that has some design criteria includes: contact stress, , bending stress, precision based on the ISO 1328 standard, transmission conditions and the size of the geometry. According to these calcultion , the absolute dominance grading was determined as alternative 3 > alternative 1 > alternative 4 >alternative 2.
Analisis Sistem Kerja Shift Terhadap Tingkat Kelelahan dan Pengukuran Beban Kerja Fisik Perawat RSUD Karanganyar
Authors: Juniar Helma Hayu , Astuti Rahmaniyah Dwi , Iftadi Irwan
Published: June 2018

Karanganyar District Hospital uses a system of shift work is divided into three, namely the morning shift, afternoon shift and night shift. This study analyzed the levels of general fatigue experienced by nurses on the morning shift, afternoon shift and night shift using methods Bourdon Wiersma and questionnaire Subjective Rating Self Test and measurement physical workload using physiological methods of work. Based on the results obtained that the afternoon shift is a shift that has a level of fatigue the most high based on 3 parameters measured is speed, accuracy and constancy with methods Bourdon Wiersma Test and the morning shift and afternoon shift as a shift that has the workload of most high based on the results of measurements of the pulse to determine the amount of energy consumption, oxygen consumption and% CVL to the nurse and then questionnaire.
Perancangan Dokumentasi Sistem Manajemen pada Laboratorium Mekatronika UNS Berdasarkan SNI ISO/IEC 17025 : 2008
Authors: Capryani Aditha , Fahma Fakhrina , Nur Adrian
Published: June 2018

This research designed of documentation management system laboratory for Mechatronics Laboratory based on SNI ISO/IEC 17025:2008 refers to documentation management system laboratory in UPT Integrated Laboratory. Mechatronics laboratory is expanding the scope of the UPT Integrated Laboratory. Design of documentation management system laboratory required to obtain accreditation from KAN. Documents were designed consisting of level 1 Quality Guidelines, level 2 Procedures, level 3 Work Instrictions, and level 4 Forms. Design of the documents were done with five stages document requirements identification, business process identification, analysis the availability of the necessary documents, designing documents, and documents verification. From the stages, are known that 10 documents level 1 need adjustments, 2 documents level 3 and 11 documents level 4 need to be designed. On documents verification, it is known that there are documents that requires improvements in the format and content. If Mechatronics Laboratory develop, then required adjustments to the documents
Hyperostosis Frontalis
Authors: Murphy Emily , Kortyna Ricky , Flaherty Donna
Published: June 2018

Hyperostosis frontalis is the overgrowth of bone on the inner plate of the skull. The condition is most common in postmenopausal women, and it occurs in 5% to 12% of this population. A nutritional etiology has been given consideration because there has been an increased consumption of dietary phytoestrogens, as seen in soy, grain, and vegetables, compared with several centuries ago. Generally, because the extra bone growth seen with hyperostosis frontalis is asymptomatic or minimally symptomatic, there is no need to treat the bony overgrowth itself.
COMPARATIVE ANALYSIS OF BANK STABILITY IN INDONESIA: A NON-PARAMETRIC APPROACH ON DIFFERENT BANKING MODELS
Authors: Abdul Karim Norzitah , Alhabshi Syed Musa Syed Jaafar , Kassim Salina , Haron Razali
Published: June 2018

The present study, grounded in theory of financial intermediation, provides new empirical evidence on comparison of bank stability measures of Islamic banks, conventional banks and other bank models in Indonesia. Specifically, 72 conventional banks, 4 Islamic banks, 3 conventional banks with Islamic subsidiaries and 2 subsidiary Islamic banks in Indonesia are considered, focusing on the sample period of 1999-2015. The study adopts z-score as a measure of bank stability, while a non-parametric multiple comparison analysis was used to test the significance of the differences in the bank stability of the different bank models, namely Islamic banks, conventional banks, Subsidiary Islamic banks and conventional banks with Islamic subsidiaries. The sample period is further divided into three sub-periods, namely, before the global financial crisis (1999-2006), during the global financial crisis (2007-2009) and after the global financial crisis (2010-2015) so as to gain more detail findings on the impact of the global financial crisis on the banks’ stability. The impact of local crisis periods (1999-2001) on bank stability of different bank models is also investigated. Findings of this study contribute towards extending the theory of financial intermediation through empirical works of stability of different banking models namely Islamic banks, conventional banks, Subsidiary banks and conventional banks with Islamic subsidiaries.
FINANCIAL STABILITY OF ISLAMIC AND CONVENTIONAL BANKS IN BANGLADESH: REVISITING STABILITY MEASURES AND ANALYZING STABILITY BEHAVIOR
Authors: Hossain Md Enayet , Imam Mahmood Osman
Published: June 2018

This study intends to assess the relative financial stability of Islamic banks in Bangladesh using three different Z-Scores as financial stability measures, based on a sample of 29 listed commercial banks (23 conventional and 6 Islamic) in Bangladesh over the period 2005-2016. Apart from the existing measure of financial stability, Z-Score, the paper contributes to the literature by developing an alternative Z-Score based on bank’s loan portfolio infection ratio. We first use pair-wise comparison and find that Islamic banks are financially more stable in two stability measures i.e. Z-Score (based on Capital Adequacy Ratio) and Z-Score (based on Infection Ratio). We then perform static (random effects) and dynamic (GMM) panel data analysis. By controlling for bank-specific, industry-specific and macroeconomic variables in the regressions, we find that Islamic banks are financially more stable in 2 panel regressions of Z-Score (based on Infection Ratio). We also find that the presence of Islamic banks increases the stability of all banks in the system including their conventional peers.
Influence of Lead Exposure in the Expression of Calmodulin – Related Genes: A Preliminary Study on Workers Working in Industry of Batteries, In Iraq
Authors: Hussain Ala'a Hassan Mirza
Published: June 2018

Most pathological effects of lead on the body are due to ability of lead to bind with important cellular molecules of various tissues and organs leading to formation abnormal molecules and thus to emergence of pathological conditions. To evaluation the risk to the health status of Iraqi workers who work in the batteries industry, expression of three types of calmodulin related genes were examined. Blood samples were collected from worker working in Iraqi industry of batteries (located in Al-Waziriya), then RNAs extraction were done thereby gene expression for Calcium/Calmodulin- dependent protein kinase2 (CaMKK2), C-X-C Chemokine receptor 4 (CXCR4) and mitogen activated protein kinase kinase 6 (MAP2K6) was done for each sample by using RT-qPCR. The study showed that the expression of CXCR4 gene was significantly decrement in the lead exposed workers meanwhile the MAP2K6 gene insignificantly increment in those workers, but no effect appeared on their CaMKK2 gene expression. Conclusion obtained from this study is that lead has ability to impact on calmodulin related genes in the workers working in the batteries manufacture, but this ability is variable according to the type of gene.
Technology Update: New Adsorption Media Technology Meets Water-Treatment Challenges
Authors: Smathers Caleb J. , Jackson Tommie , Buckwald Scott , Gonzalo Raul , McPherson Ryan
Published: June 2018

Technology Update

Clean water is a precious resource. For decades, nations and companies have been successfully treating water from industrial processes to convert it to contaminant-free clean water.

The oil and gas industry generates an estimated 70 billion bbl of contaminated water from crude oil and natural gas extraction (Boysen et al. 2013). And as reserves are drawn down through production, operators are forced to extract from areas that generate higher volumes of produced water and must implement advanced recovery techniques.

However, these recovery methods can alter water/oil mixtures and reduce conventional water treatment efficiency by up to 50% (Walsh and Henthorne 2012). In addition, regulatory agencies are enforcing stricter water treatment measures such as limiting soluble hydrocarbon emissions. These issues are just some of the produced-water management challenges facing today’s operators.

New water treatment technologies and developments in conventional treatment methods offer a means to solve these problems in managing produced water volumes. ProSep’s Osorb Media Systems (OMS) are providing a unique solution for treating the water coming from chemical enhanced oil recovery (CEOR) operations and removing the dissolved hydrocarbons, including benzene, toluene, ethyl benzene, and xylene (BTEX).

The OMS incorporate Osorb, a powerful adsorption technology that can remove dissolved and dispersed hydro-carbons from produced water in a single step. However, the singular, ground-breaking advance achieved by this adsorption media technology is an integrated, in-situ regeneration process that allows the powerful adsorption media to be used for many years, which eliminates the costly and hazardous media changeouts required with previous adsorption media.

The industry has investigated the use of adsorption media in the past but has found the operating cost too high because of media replacement needs and the operating envelope too limited (Boysen et al. 2013). OMS address both of these challenges by enabling economical water treatment, at a cost as low as $0.07/bbl, and offering applications for removing contaminants that range from heavy dispersed oil to dissolved hydrocarbons and that are effective in the presence of oilfield chemicals.
Coiled-Tubing Telemetry Intervention in Shut-In Conditions
Authors: Carpenter Chris
Published: June 2018

This article, written by JPT Technology Editor Chris Carpenter, contains highlights of paper SPE 189910, “Operational Improvements Using a Coiled-Tubing-Telemetry System for a Complex Milling Operation in Shut-In Conditions,” by P. Correa, D.  Parra, S. Craig, SPE, S. Livescu, SPE, A. Yeginbayev, and Z. Nadirov, Baker Hughes, a GE Company, prepared for the 2018 SPE/ICoTA Coiled Tubing and Well Intervention Conference and Exhibition, The Woodlands, Texas, USA, 27–28 March. The paper has not been peer reviewed.

When a new horizontal well in Asia was incapable of unassisted flow, coiled tubing (CT) was selected for the perforation and stimulation intervention. Mechanical isolation was required to ensure that the stimulation fluids entered only the new zones. Accurate depth control was required for three runs: setting two composite bridge plugs (CBPs), deploying CT-conveyed perforating guns for opening two intervals, and milling out the two CBPs without taking returns to surface. For the first time, a tension, compression, and torque (TCT) subassembly was used to improve the milling operation.

Introduction

CT telemetry (CTT) systems have proved to be effective in enhancing operations by providing real-time monitoring of downhole data including depth, pressure, temperature, force, and torque. For data transmission from downhole sensors to surface, these telemetry systems can use either insulated wire or optical fiber. With insulated wire, power can be transferred from surface to the downhole sensors. With optical fiber, downhole batteries are required in the bottomhole assemblies (BHAs) to power the downhole sensors. When compared with braided systems using the 0.125-in. insulated electrical cable (Fig. 1), the main advantages of the CTT system are its low weight and the fact that balls can be pumped through the CT. A small wire has a minimal effect on the CT cross-sectional area. Balls up to 7/8 in. in diameter do not become stuck, and there is a minimal effect on the CT fluid pressure drop.

Description of the Wire CTT System

The 0.125-in.-wire CTT system has several components, such as surface hardware and software; the ⅛-in. insulated electrical conductor inside the CT string; and a BHA with different sizes, including 2.125, 2.875, and 3.5 in. The 2.875-in. BHA with three subassemblies is shown in Fig. 2.

The 2.875-in. sensor assembly has the following components:

Tubing end connector

Head that secures the wire downhole, seals the exterior of the wire, and provides downhole electrical connection

0.875-in. ball-operated wire-release mechanism

Double-flapper check-valve housing

Electronic module with a casing collar locator (CCL) and pressure/temperature sensors (internal/external)

Motorhead section, where a ¾-in. ball-release mechanism is located followed by a circulating port activated with 0.625-in. balls

Burst-disk section enabling 0.5-in. balls to pass through to activate downhole tools
Multireservoir, Multinetwork Production Optimization of an Omani Reservoir
Authors: Carpenter Chris
Published: June 2018

This article, written by JPT Technology Editor Chris Carpenter, contains highlights of paper SPE 188377, “Coupled Multireservoir, Multinetwork Production Optimization of an Onshore Middle Eastern Reservoir With Sour-Gas Reinjection for Miscible EOR,” by Varun Pathak, SPE, Chelsea Palaschak, Anjani Kumar, SPE, and Rob Eastick, Computer Modelling Group, and Ralf Schulz, SPE, and Abdullah Al-Hadhrami, Petroleum Development Oman, prepared for the 2017 Abu Dhabi International Petroleum Exhibition and Conference, Abu Dhabi, 13–16 November. The paper has not been peer reviewed.

Integrated reservoir and production modeling can be beneficial in conducting production forecasting for complex systems consisting of multiple reservoirs, fluid mixing, and complex production networks. In the complete paper, a new, fully coupled implicit tool was used to model an onshore Omani asset with multiple reservoirs, each featuring different fluids and multiple networks. A multifidelity approach was used throughout the modeling work flow, incorporating reservoir- and production-related uncertainty in the forecast and optimization processes.

Introduction

Petroleum Development Oman operates, in the south of the country, the Southern Sour cluster of high-pressure, highly sour oil fields. These fields are currently produced by what is known as the H Station. A second such facility, R Station, is under construction and will be onstream by 2019. These two facilities will be interlinked and will allow large-scale miscible gasfloods in more than 10 fields. The integrated nature of the production and injection systems is extremely complex and will be unique in terms of its scale and the technology deployed.

The project involves tying together multiple reservoirs and separating the reservoir fluids in the surface network, including the handling and separation of sour gas [the asset has a high hydrogen sulfide (H2S) content in reservoir fluids]. The separated acid and sour gases will be compressed at a high pressure and reinjected into the various reservoirs to create miscibility in the oil, thereby increasing its mobility and preventing a rapid decline in reservoir pressures.

Because the development is a critical one that requires correct modeling of fluid flow throughout the reservoirs, wells, and facility, the process of integrated production systems modeling (IPSM) becomes important. In the past, for such a project, implementation has been achieved by coupling several specialized tools for different aspects of the IPSM process in an explicit manner. The complete paper discusses the use of a new fully coupled, implicit solver to overcome the challenges faced during conventional IPSM work.

Work Flow

The work flow for developing the integrated model for the asset can be divided into the following broad but interdependent areas:

Reservoir simulation

Fluid modeling

Well modeling

Facilities modeling

IPSM solution
Uticaj lingvistike na formiranje kulturno-istorijskog pristupa u arheologiji
Authors: Kuzmanović Zorica
Published: June 2018

Kritičko preispitivanje istorije arheologije u ovom radu ima za cilj da ukaže na uticaj lingvistike i, uopšte, uloge jezika u modernom društvu na formiranje kulturno-istorijskog pristupa u arheologiji, sa posebnim osvrtom na takve pojave u srpskoj arheologiji. U tom pogledu, ovaj rad se nadovezuje na seriju sličnih, kritičko-istorijskih pregleda i priloga o istoriji arheologije, koji ukazuju na tzv. konceptualni tovar koji sa sobom nosi kulturno-istorijska praksa klasifikovanja artefakata prema njihovoj kulturnoj pripadnosti, prilikom čega se po automatizmu izvode pretpostavke o kulturnom/ etničkom identitetu ljudi koji su koristili određene artefakte. Potreba da se sagleda pomenuti odnos između lingvistike i arheologije u vreme formiranja discipline potiče sa stanovišta da je, bez nužnog odbacivanja celokupne kulturno-istorijske tradicije (što je, uostalom, još uvek nemoguće), potrebno razumeti kako je došlo do formiranja određenih značenja implicitnih arheološkom konceptu kulture, te da je tim putem moguće izbeći interpretativne greške koje nameće pomenuti konceptualni tovar.
Princess Ru and Papyru. Stereotypes on ancient Egypt in graphic novels
Authors: Vasiljević Vera
Published: June 2018

The decipherment of the hieroglyphic script in 1822 marked a fundamental change in the views on ancient Egypt and due to the scientific research the knowledge on the subject substantially increased ever since. Despite the wide accessibility of the results of Egyptological studies, the image of Egypt in the popular culture often contains older conceptions, and some of them, like the myth of ancient and immense wisdom, are turned into stereotypes used in certain popular media. The paper deals with their presence in graphic novels. The origins of the stereotypes are reviewed and the reasons for their persistence analysed. I argue that the sterotypes on Egypt in graphic novels became early on a codified part of the communication whithin the “comic book culture” (M. Pustz), and therefore indispensable in this medium. As representatives of different genres in the graphic novels, the series on adventures Papyrus by Lucien De Gieter, and the comic books Princess Ru by Đorđe Lobačev and Hatshepsut by Nikola Kokan Mitrović were chosen for the analysis.
The Temporal Contextualization of Cultural Concepts of Post Socialism, Transition and Euro Integrations in Serbia
Authors: Žikić Bojan
Published: June 2018

Critical events which influence the redefining of social and cultural categories represent cultural cognitive markers of organizing narratives about social time. Viewing the disintegration of SFRY in this light, I will try to explain a certain cultural view of time which deviates from what we consider the common, linear experience of the flow of time, based on accounts of informants in which the situation in Serbia is compared to the content of cultural perceptions about the European Union.
The Political Mobilization of Montenegrin Communists in The “Anti-bureaucratic Revolution”
Authors: Ribić Vladimir
Published: June 2018

The “Anti-bureaucratic revolution” in Montenegro lasted from August 1988 to January 1989. It ended in the resignation of the complete state and party leadership of Montenegro pressured by relatively low party functionaries and a mass social movement. In this paper I will analyze the specific actions and legitimacies as well as the elements of the action and legitimacy bases of political mobilization of Montenegrin communists in the “Anti-bureaucratic revolution”.
What Makes a Contemporary Werewolf? The Semiological Analysis of Articles about the “Werewolf of Tamnava County”
Authors: Žakula Sonja
Published: June 2018

The paper offers a semiological analysis of narratives about the “werewolf of Tamnava County” which were published in Serbian daily newspapers in June 2005. I will attempt to show the ways in which the folk appropriation of terms from scientific discourse is used to lend legitimacy to stories about the mysterious pest, and how this kind of speech about werewolves is nothing new. Narratives about the “werewolf of Tamnava County” will be broken down to their constitutive elements which will be interpreted singularly. Finally, the paper will offer a number of possible interpretations of the function these narratives hold within the specific context of human-animal relations in which they are created.
Re-Assessing the Relevance and Efficacy of Yoruba Gods as Agents of Punishment: A Study of Sango and Ogun
Authors: Akanji Okunola Rashidi , Olufemi Dada Ojo Matthias
Published: June 2018

The general objective of this paper was to investigate the relevance and efficiency of Yoruba gods in the administration of punishment and justices on crime commitment.  Two Yoruba gods (Sango and Ogun) were principally chosen. Six hundred (600) participants were conveniently sampled from three localities from three geo-political states in the western part of Nigeria. Univariate and bivariate analyses were used in the description of the samples and frequency distribution tables were employed in the presentation of the data. The results show that Yoruba natives still fear and respect these gods. The gods are still relevant and efficient in the administration of punishment on crime commission. The Yoruba natives show preference for the non-conventional punishments of these gods to modern criminal justice systems.

Finally, the paper recommends the opinion survey polls on the inclusion of the invocations of these gods in the criminal justice systems of Nigeria and the likely implementations of the invocations in official swearing in ceremony for political and public office holders and the administration of the invocations in Nigerian courts of law.
Çay Atığının Doğal Lif Olarak Betonda Kullanılabilirliği
Authors: Kara Cuma
Published: June 2018

Bu çalışmada, Artvin-Borçka Muratlı çay fabrikasından temin edilen çay atığının
(CA) doğal lif olarak kullanımı ile betonun taze ve sertleşmiş özelliklerine
etkisi incelenmiştir. Bu amaçla, C20/25 sınıfı beton üretimi yapılarak, 1 m3
karışıma 0, 1, 3, 5, 7 ve 9 kg çay atığı takviye edilmiş ve böylece 6 farklı
beton türü (CA0, CA1, CA3, CA5, CA7, CA9) hazırlanmıştır. CA takviyeli taze
betonların çökme miktarı ve hava içeriği belirlendikten sonra 100 mm x 100 mm x
400 mm, 150 mm x 150 mm x 150 mm ve 70.7 mm x 70.7 mm x 70.7 mm kalıplara
yerleştirilmiştir. Uygun kür ortamında bekletilen betonlara 7. ve 28. gün sonra
kapiler su emme, beton test çekici, ultrases geçiş hızı, eğilme dayanımı, basınç
dayanımı ve aşınma dayanımı deneyleri yapılmıştır. Sonuç olarak betonda CA takviyesinin
su ihtiyacını arttırdığı, beton içerisindeki boşlukları doldurduğu ve 1 m3betonda
7 kg’a kadar atığın kullanılması ile ultrases geçiş hızı, beton test çekici,
eğilme dayanımı ve basınç dayanımı değerlerini arttırdığı belirlenmiştir.
Atığın 1 m3betonda 5 kg’dan fazla kullanılması ise kapiler su emmeyi
azaltırken aşınma miktarını arttırdığı görülmüştür. Sonuç olarak çay atığının doğal
lif olarak 1 m3 betonda 7 kg’a kadar kullanılabileceği ancak aşınmaya
maruz kalacak yerlerde 5 kg’a kadar kullanılmasının uygun olacağı kanısına
varılmıştır.