bluuebunny/crossref_metadata_2025_split huggingface dataset:
Significant role of internet of things (IoT) for designing smart home automation and privacy issues
Authors: Talal Alsharari Dr. , Shayem Saleh Alresheedi Dr. , Abdulaziz Fatani Dr. , Ismail Yaqub Maolood Dr. 
Published: February 2021

In this research paper the researcher emphasized the significant role of internet of things (IoT) for designing smart home automation with high security. The IoT is based on the internet and automated devices which are controlled by remotely using a PC, Smart phone, Tablet or other devices. The IoT is an intelligently connected devices and system which comprised of smart machines, environment, objects, and in-frastructure, Radio Frequency Identification (RFID), and sensors which will lead to meet the new challenges of Home Automation. In this research paper the researcher review the current research issues on Internet of Things(IoT) and Home Automation devices which are signif-icant to design the smart home or offices gadgets interact , seamlessly, surely control, monitor and improve accessibility from anywhere across the globe. The researcher used some of the statistical data from the STATISTA to show the current usage of smart home automation devices and it significant uses across the globe.Â Â
Maturity Framework Analysis ISO 27001: 2013 on Indonesian Higher Education
Authors: Mantra IGN , Abd. Rahman Aedah , Saragih Hoga 
Published: February 2021

Information Security Management System (ISMS) implementation in Institution is an effort to minimize information security risks and threats such as information leakage, application damage, data loss and declining IT network performance. The several incidents related to information security have occurred in the implementation of the Academic System application in Indonesian higher education. This research was conducted to determine the maturity level of information security practices in Academic Information Systems at universities in Indonesia. The number of universities used as research samples were 35 institutions. Compliance with the application of ISO 27001:2013 standard is used as a reference to determine the maturity level of information system security practices. Meanwhile, to measure and calculate the level of maturity using the SSE-CMM model. In this research, the Information System Security Index obtained from the analysis results can be used as a tool to measure the maturity of information security that has been applied. There are six key areas examined in this study, namely the role and importance of ICT, information security governance, information security risk management, information security management framework, information asset management, and information security technology. The results showed the level of information security maturity at 35 universities was at level 2 Managed Process and level 3 Established Process. The composition is that 40% of universities are at level 3, and 60% are out of level 3. The value of the gap between the value of the current maturity level and the expected level of maturity is varied for each clause (domain). The smallest gap (1 level) is in clause A5: Information Security Policy, clause A9: Access Control, and clause A11: Physical and environmental security. The biggest gap (4 levels) is in clause A14: System acquisition, development and maintenance and clause A18: compliance.Â Â Â
Analysis of CBR design value selection methods on flexible pavement design: Colombia case study
Authors: Mora L. Otto , Murillo A. Michel , Rosania A. Tiana , CastaÃ±eda A. Abraham , Pinto C. Rosa , Padilla M. Andrea 
Published: February 2021

A comparative analysis was carried out to observe the variation of a flexible pavement structural thickness, due to the use of different meth-ods to calculate the CBR design value, as an essential variable to estimate the Subgrade Resilient Modulus (Mr) through an empirical corre-lation. The Asphalt Institute Method and the Mean Criterion Method were applied to calculate de Design CBR value of a homogeneous roadway division from a representative track section located in the Bolivar Department, Colombia. As a result, the Design Percentiles of the CBR design unit were expanded for the Asphalt Institute method, thus, allowing the approach of more reliable and safe designs, considering that this method limits the selection percentiles to three traffic levels.Â Â
Conflict matrix as a mechanism of identifying the conflict in emotions of written text
Authors: Mohsin Manshad Abbasi , Anees Qumar Abbasi , Anatoly Petrovich Beltiukov , Lal. Hussain 
Published: February 2021

Text is a major source of information and is considered as a mechanism of communicating emotions and ideas. The emotion and their analysis from written text gained popularity over recent decades. It has been credited to the growth of information technology and the rapid increase in availability of internet around the globe. In this work, the main idea is to identify the conflict in emotions that exist in the written text. The use of conflict analysis is to identify the contradictory views of people about an object or a topic of discussion. Its existence in text however complicates the process of analysis of emotions from text. This paper describes a mechanism in which the emotions in each pair of sentence are considered as conflicting to each other. The emotional orientation of each pair of sentence is observed to identify the truth-value of the proposed conflict hypothesis. The result of the analysis is summarized using the Conflict matrix. Conflict matrix is a major product of this research that is used to identify the conflicting emotions in text and to measure their characteristics. The results of the experiment were analyzed using the supervised learning techniques along with the Confusion matrix. In methodology and conclusion sections of the paper, the results are discussed in detail.Â Â
A study for the prediction of corona power on electrostatic precipitator based on simple and easy two-dimensional electrostatic simulation
Authors: Cho Chang-Hee , Kim Dong-Hoon , Park Sang-Eon 
Published: February 2021

This study examines how the designing of an electrostatic precipitator can be carried out in a simple way. While it is of value to find out the theoretical values of design parameters using three-dimensional finite element model and numerical method, this study shows that employ-ing a two-dimensional finite element model and easily usable public-domain program is equally simple and fast. Variations of some physical properties occurring between an electrode and a duct are expressed using two design parameters. In this process, the design of the experi-ment and the response surface method are used based on the two-dimensional finite element model, as well as electrostatic simulation. A test using an electrostatic precipitator is performed and it is confirmed that a variation of corona power by the test is most similar with the varia-tion of stored energy by the simulation. A conversion factor that can predict corona power with the response surface function for the stored energy is proposed.Â Â
Implementation of a developed water tunnels cleaning model with an automatic sensing and operation mechanism
Authors: Yasen Abd Rasha , Sachit Kaittan Ali , Ali Mejeed Raghad 
Published: February 2021

Iraq contains two main rivers with several sub streams and tributaries. One of the most important problems in these streams and tributaries is the amount of waste on the water surface. This waste can lead to many issues such as diseases infection and affects the fisheries. River cleaning machine is one of the most important solutions for this problem. In this paper, a developed cleaning machine was designed based on Arduino and remote sensing mechanism to reduce the operation time and cost. The proposed cleaning machine model was tested and validated and can be used efficiently in many places under different conditions.Â Â
Estimation of porosity of rocks based upon axiomatic local linear model tree (a lolimot model) approach
Authors: Hossein Iranmanesh Hossein , Mollajan Ali 
Published: February 2021

Shear and Compressional Wave Velocities along with other Petrophysical Logs, are considered as upmost important data for Hydrocarbon reservoirs characterization. In this study, porosity of the extracted rocks form concerned wells is interest as it can indicate the oil capacity of the wells of interest. In this study, we employ the principles of Axiomatic Design theory, specially the first (independence) axiom, to more simplify the measurement system. Also, to clarify the strength of Axiomatic Design theory in reducing the complexity of the system and optimizing the measurement system, we utilize the The Lolimot model (LOcal LInear MOdel Tree) as a model from the neural network family and apply it before and after implementing the basic logic of Axiomatic Design (AD) theory. In addition, in order to illustrate strength of the proposed method emphasizing the effectiveness of a method which benefit from both AD theory and Lolimot model together, the existing system used to measure the rock porosity is addressed and actual data related to one of wells located in southern Iran is utilized. The results of the study show that integrating the Axiomatic Design principles with the LOLIMOT method leads to the least complex and most accurate results.Â Â
Modification of kaolinite clay using benzyltriethylammonium chloride as a surfactant: Preparation and characterization
Authors: Meftah Elgubbi Hana , Salhah Othman Siti , Wahida Harun Farah 
Published: February 2021

Natural kaolinite clay from Perak, Malaysia with cation exchange capacity (CEC) of 2.5 meq/100g was modified using cationic surfactant, benzyltriethylammonium chloride (BTEA-Cl), at 0.5, 1.0, 1.5 and 2.0 times the CEC. A number of techniques, namely energy dispersive X-ray (EDX) spectroscopy, X-ray diffraction (XRD), Fourier-transform infrared (FTIR) spectroscopy, scanning electron microscopy (SEM), and Brunauer-Emmett-Teller (BET) nitrogen adsorption-desorption were then used for characterization of the kaolinite and/or organo-modified kaolinite clays. The presence of alkyl groups as a result of successful intercalation of cationic surfactant within the organo-kaolinite layers of the clay was exhibited by the FTIR spectra. The SEM microphotographs exhibited good dispersion of the natural clay particles and slight agglomeration in the organo-modified clay particles. XRD patterns showed that the d001 spacing of the natural kaolinite clay increased from 7.12 â„« to between 7.20 - 7.34 â„« for the organo-modified clays. Following the BET nitrogen adsorption-desorption technique, all clay samples were of Type IV with narrow hysteresis loops. Surface areas of the clays showed drastic decrease from (25.34 m2/g) for natural kaolinite clay to between 5.90 - 13.11 m2/g for organo-modified clays. The results suggested that modification of natural kaolinite clay using cation surfactant had successfully occurred. The modification can therefore be further applied for alteration and improvement of the properties of natural clays for various industrial applications.Â Â Â
On the Volume of Sections of the Cube
Authors: Ivanov Grigory , Tsiutsiurupa Igor 
Published: February 2021

Abstract
We study the properties of the maximal volume k-dimensional sections of the n-dimensional cube [−1, 1]
n
. We obtain a first order necessary condition for a k-dimensional subspace to be a local maximizer of the volume of such sections, which we formulate in a geometric way. We estimate the length of the projection of a vector of the standard basis of ℝ
n
onto a k-dimensional subspace that maximizes the volume of the intersection. We find the optimal upper bound on the volume of a planar section of the cube [−1, 1]
n
, n ≥ 2.
An overview of persistent organic pollutants along the coastal environment of Kuwait
Authors: Alshemmari Hassan 
Published: February 2021

Abstract
The oil discovery in the Arab Gulf, and particularly in Kuwait, has led to rapid urbanization, population development, industrialization, and, with it, many problems of oil and nonoil pollution. The rapid growth of the manufacturing sector in Kuwait occurred mainly along its coastal margins. Natural oil sequestration areas have been established and are deemed as critical point pollution sources at different locations along the coast. This has allowed the release of a variety of toxins directly into the marine ecosystem, including petroleum hydrocarbons. The ecotoxicological effects of persistent organic pollutants (POPs) in the aquatic environment have been causing a significant concern. Much work concentrated primarily on hydrocarbon emissions from petroleum/combustion, with few papers authenticating other target POPs (PCBs, PBDEs, and dioxins). This study aims to reflect past ideas on the production and sources of POPs in the marine environment in Kuwait and their comparison with worldwide outcomes. Much of the literature reviewed reported that while Kuwait’s aquatic ecosystem has been exposed to a wide variety of incidents of pollution, overall emission rates remain relatively low. Nonetheless, soil pollution hotspots are also associated with point sources of chemical waste, such as those from the Shuaiba industrial area, in a variety of areas along the coast.
Stress analysis of infinite laminated composite plate with elliptical cutout under different in plane loadings in hygrothermal environment
Authors: Magar Ashok , Lal Achchhe 
Published: February 2021

AbstractThis paper presents the solution of stress distribution around elliptical cutout in an infinite laminated composite plate. Analysis is done for in plane loading under hygrothermal environment. The formulation to obtain stresses around elliptical hole is based on Muskhelishvili’s complex variable method. The effect of fibre angle, type of in plane loading, volume fraction of fibre, change in temperature, fibre materials, stacking sequence and environmental conditions on stress distribution around elliptical hole is presented. The study revealed, these factors have significant effect on stress concentration in hygrothermal environment and stress concentration changes are significant with change in temperature.
Epsilon factors of symplectic type characters in the wild case
Authors: Biswas Sazzad Ali 
Published: February 2021

Abstract
By work of John Tate we can associate an epsilon factor with every multiplicative character of a local field.
In this paper, we determine the explicit signs of the epsilon factors for symplectic type characters of

K
×

{K^{\times}}

,
where

K
/
F

{K/F}

is a wildly ramified quadratic extension of a non-Archimedean local field F of characteristic
zero.
Equivariant prequantization and the moment map
Authors: Ferreiro Pérez Roberto 
Published: February 2021

Abstract
If ω is a closed G-invariant 2-form and μ is a moment map, we
obtain necessary and sufficient conditions for equivariant prequantizability
that can be computed in terms of the moment map μ. Our main result is that
G-equivariant prequantizability is related to the fact that the moment map
μ should be quantized for certain vectors on the Lie algebra of G. We
also compute the obstructions to lift the action of G to a prequantization
bundle of ω. Our results are valid for any compact and connected Lie
group G.
Sinter Hardening PM Steels Prepared through Hybrid Alloying
Authors: Geroldinger S. , Oro Calderon R. de , Gierl-Mayer C. , Danninger H. 
Published: February 2021

Abstract
In powder metallurgy (PM), there are several ways of introducing alloying elements into a PM material in order to adjust a certain alloying element content. Each alloying route has its advantages and disadvantages. Master alloys (MA), powders with a high content of typically several alloying elements, can be added in small amounts to a base powder, especially to introduce oxygen sensitive elements such as Cr, Mn, and Si. In addition, the master alloy can be designed in such a way that a liquid phase is formed intermediately during the sintering process to improve the distribution of alloying elements in the material and to accelerate homogenization. In this study, such master alloys were combined with pre-alloyed base powders to form hybrid alloyed mixtures with the aim of improving the material‘s sinter hardenability. The hybrid alloys were compared with mixtures of master alloy and plain Fe as reference material. The sinter hardenability of all materials was determined by generating CCT diagrams recorded with 13 different cooling rates. These were verified by metallographic cross-sections of specimens treated at common cooling rates of 3 and 1.5 K/s and subsequent hardness measurements of the microhardness (HV 0.1) of the microstructural constituents and the apparent hardness (HV 30). ◼
A new two-layer passive micromixer design based on SAR-vortex principles
Authors: Lotfiani Amin , Rezazadeh Ghader 
Published: February 2021

Abstract
Micromixers are key components of microfluidic systems for sample analysis, bioreactors, drug delivery, and many other applications. To date, numerous passive micromixer designs have been proposed. Among those, several designs with complex design structures have been demonstrated to be efficient. In the present work, the authors try to propose a new efficient design with low complexity in terms of fabrication. The new design is two-layer and is based on the split and recombination (SAR) and vortex mixing principles. It is suggested to fabricate the new design in polydimethylsiloxane (PDMS) using the soft lithography technique. This new design is chosen among three new designs simulated using the computational fluid dynamics (CFD) software ANSYS Fluent 17.0. The three new designs are named ND1, ND2, and ND3 and their mixing performances are evaluated numerically using mixing index (MI) and mixer effectiveness (ME) quantities at four different Reynolds (Re) numbers in the range of 0.1–100. Calculated values are compared with those obtained for the classical Y-shaped (CY) micromixer. Flow and mixing patterns are computed by solving the continuity, Navier–Stokes, and the convection–diffusion equations. CFD results for the CY micromixer are compared with available experimental and numerical data and reasonable agreement is observed. According to the results, ND3 has the highest performance (ME up to 36.86 percent/mm) among the investigated micromixer designs in the entire range of Re numbers. The maximum pressure drop (35099.9 Pa at Re = 100 for ND3) is still in the range of acceptable pressure drops reported in the literature. ND3 can be used as an efficient substitute for CY. Although ND3 is highly efficient (MI up to 99.52%) at Re numbers lower than 0.3 or higher than 50, its performance at the intermediate Re numbers (0.3 < Re < 50) is poor and unacceptable (MI as low as 44%). This can be simply improved by adding extra mixing units to provide adequate mixing also at the intermediate Re numbers.
Machine learning and geodesy: A survey
Authors: Butt Jemil , Wieser Andreas , Gojcic Zan , Zhou Caifa 
Published: February 2021

AbstractThe goal of classical geodetic data analysis is often to estimate distributional parameters like expected values and variances based on measurements that are subject to uncertainty due to unpredictable environmental effects and instrument specific noise. Its traditional roots and focus on analytical solutions at times require strong prior assumptions regarding problem specification and underlying probability distributions that preclude successful application in practical cases for which the goal is not regression in presence of Gaussian noise.Machine learning methods are more flexible with respect to assumed regularity of the input and the form of the desired outputs and allow for nonparametric stochastic models at the cost of substituting easily analyzable closed form solutions by numerical schemes. This article aims at examining common grounds of geodetic data analysis and machine learning and showcases applications of algorithms for supervised and unsupervised learning to tasks concerned with optimal estimation, signal separation, danger assessment and design of measurement strategies that occur frequently and naturally in geodesy.
Congenital Nephrotic Syndrome and Persistent Hypothyroidism After Bilateral Nephrectomy
Authors: Kacer Martina , Whyte Dilys A. , Boydstun Ivy , Wilson Thomas A. 
Published: February 2021

Abstract
Congenital nephrotic syndrome is commonly associated with hypothyroidism. Thyroid hormone supplementation is recommended as standard of care. The hypothyroidism is postulated to occur secondary to chronic massive proteinuria with loss of thyroid binding globulin, thyroid hormone and iodine. Previous reports have indicated that thyroxin may be discontinued following bilateral nephrectomy. We report our experience with one child with congenital nephrotic syndrome, Finnish type, and hypothyroidism who had a high requirement for thyroxin (100-150 μg/d) from infancy to 4 years of age. Hypothyroidism persisted despite bilateral nephrectomy and later following renal transplantation. However, his thyroxin requirement is now substantially lower (62.5 μg/d) at age 14 years. No goiter was detected clinically and antithyroid antibodies were negative. Thyroid ultrasound and 1231 scan revealed a thyroid gland in the anatomically normal location. 1231 uptake was elevated, 18% at 6 hours and 51% at 24 hours (normal values: 3-16% at 6 hours and 8- 25% at 24 hours). Perchlorate was unavailable for a perchlorate washout study. We speculate that this patient may have an intrinsic problem with thyroid hormone synthesis. It is unclear whether this is related or coincidental to the Finnish nephrotic syndrome. We recommend following thyroid functions closely if thyroxin is discontinued following bilateral nephrectomies in Finnish type congenital nephrotic syndrome.
High order weak approximation for irregular functionals of time-inhomogeneous SDEs
Authors: Yamada Toshihiro 
Published: February 2021

Abstract
This paper shows a general weak approximation method for time-inhomogeneous stochastic differential equations (SDEs) using Malliavin weights. A unified approach is introduced to construct a higher order discretization scheme for expectations of non-smooth functionals of solutions of time-inhomogeneous SDEs. Numerical experiments show the validity of the method.
Characterization of recycled waste papers treated with starch/organophosphorus-silane biocomposite flame retardant
Authors: El-Sabour Mona A. , Mohamed Amina L. , El-Meligy Magda G. , Al-Shemy Mona T. 
Published: February 2021

Abstract
In this study we have recycled two types of waste papers, newspapers and magazines, to prepare paperboard sheets for multipurpose applications. The recycling procedure succeeded in removing most of inorganic contaminants via de-inking process. To enhance the flame retardant ability of paperboard sheets, treatment with varying concentrations (1, 3 and 5 % wt/vol) of organophosphorus-silane compound in the absence and presence of starch (0.2 % wt/vol) was done. The thermal proofing properties of paperboard sheets have been modified after treatment with organophosphorus-silane compound and starch/organophosphorus-silane biocomposite. The results showed that, 3 % (wt/vol) was the minimum concentration to accomplish fire retardancy of paperboard sheets. The addition of starch to the organophosphorus-silane compound enhances the physicomechanical properties of modified paperboard sheets. The paperboard sheets treated organophosphorus-silane compound and starch/organophosphorus-silane biocomposite showed dissimilar activities against Bacillus subtilis, Staphylococcus aureus, Escherichia coli and Pseudomonas aeruginosa. Various analyses were performed to study the physical, chemical, mechanical and thermal properties of the prepared paperboard sheets.