bluuebunny/crossref_metadata_2025 huggingface dataset:
Agates from Western Atlas (Morocco)—Constraints from Mineralogical and Microtextural Characteristics
Authors: Pršek Jaroslav , Dumańska-Słowik Magdalena , Powolny Tomasz , Natkaniec-Nowak Lucyna , Toboła Tomasz , Zych Damian , Skrepnicka Dominika
Published: February 2020

Agate samples collected from the vicinity of Asni and Agouim (Western Atlas, Morocco) were investigated using microscopic observations supported by Raman micro-spectroscopy. The agates are marked by the presence of various microtextures typical of epithermal vein deposits, including jigsaw-puzzle, feathery, and lattice-bladed. The first two indicate that the formation of agates was likely marked by recrystallization of metastable silica phases (i.e., opaline silica or massive chalcedony). The presence of lattice-bladed (after barite and calcite) quartz may be, in turn, ascribed to the boiling-related conditions that could have triggered the formation of abundant copper and iron sulfides found within silica matrix. Additionally, the local occurrence of growth lines (so-called Bambauer quartz) and intergrowth of length-slow and length-fast chalcedony are linked to the variations of physico-chemical conditions during rock formation (alkaline-acidic). According to Raman spectroscopy, silica matrix of the agates is made of α-quartz with a local admixture of moganite (from 0.0 up to 78 wt.%), but also contains numerous solid inclusions of hematite, celadonite, as well as poorly-organized carbonaceous material and rutile. These phases were likely emplaced during low-temperature hydrothermal activity of SiO2-bearing fluids that originated from post-magmatic hydrothermal activity developed within host rocks and/or meteoric waters.
Using a Model of Germ-Free Animals to Study the Impact of Gut Microbiome in Research: A Step by Step Sterility Setting and Management
Authors: Gabay Odile , Vicenty Jonathan , Smith Dylan , Tiffany Linda , Ascher Jill , Curry Tina , Dennis John , Clouse Kathleen A.
Published: February 2020

The particularly unique composition of the gut microbiota has the potential to influence the health or disease status of animal and human hosts. Altering the homeostasis of the host-bacteria could lead to changes in gut flora that result in disease or activation of a specific immunological response, which could explain the variations observed in patient responses to current therapies. A standardized model is crucial for studying the influence of the gut microbiota on therapeutic modalities. A step by step mouse model and sterility management system that compares a control strain of C57BL/6 mice to the established C57BL/6 germ-free (GF) strain has been developed. The GF BL/6 mouse phenotype is well established, and the anatomical differences between the GF and control mice were evident in this model. This method could be applied to research studies investigating the microbiome impact, the response to various therapies, or disease transfer via fecal transplants. A standardized sterility maintenance method is crucial in this context.
Polarity Control of ZnO Films Grown on Ferroelectric (0001) LiNbO3 Substrates without Buffer Layers by Pulsed-Laser Deposition
Authors: Yoon Im Taek , Lee Juwon , Tran Ngoc Cuong , Yang Woochul
Published: February 2020

For this study, polarity-controlled ZnO films were grown on lithium niobate (LiNbO3) substrates without buffer layers using the pulsed-laser deposition technique. The interfacial structure between the ZnO films and the LiNbO3 was inspected using high-resolution transmission electron microscopy (HR-TEM) measurements, and X-ray diffraction (XRD) measurements were performed to support these HR-TEM results. The polarity determination of the ZnO films was investigated using piezoresponse force microscopy (PFM) and a chemical-etching analysis. It was verified from the PFM and chemical-etching analyses that the ZnO film grown on the (+z) LiNbO3 was Zn-polar ZnO, while the O-polar ZnO occurred on the (-z) LiNbO3. Further, a possible mechanism of the interfacial atomic configuration between the ZnO on the (+z) LiNbO3 and that on the (-z) LiNbO3 was suggested. It appears that the electrostatic stability at the substrate surface determines the initial nucleation of the ZnO films, leading to the different polarities in the ZnO systems.
Tailoring the Anodic Hafnium Oxide Morphology Using Different Organic Solvent Electrolytes
Authors: Apolinário Arlete , Sousa Célia T. , Oliveira Gonçalo N. P. , Lopes Armandina M. L. , Ventura João , Andrade Luísa , Mendes Adélio , Araújo João P.
Published: February 2020

Highly ordered anodic hafnium oxide (AHO) nanoporous or nanotubes were synthesized by electrochemical anodization of Hf foils. The growth of self-ordered AHO was investigated by optimizing a key electrochemical anodization parameter, the solvent-based electrolyte using: Ethylene glycol, dimethyl sulfoxide, formamide and N-methylformamide organic solvents. The electrolyte solvent is here shown to highly affect the morphological properties of the AHO, namely the self-ordering, growth rate and length. As a result, AHO nanoporous and nanotubes arrays were obtained, as well as other different shapes and morphologies, such as nanoneedles, nanoflakes and nanowires-agglomerations. The intrinsic chemical-physical properties of the electrolyte solvents (solvent type, dielectric constant and viscosity) are at the base of the properties that mainly affect the AHO morphology shape, growth rate, final thickness and porosity, for the same anodization voltage and time. We found that the interplay between the dielectric and viscosity constants of the solvent electrolyte is able to tailor the anodic oxide growth from continuous-to-nanoporous-to-nanotubes.
Functional Bioglass—Biopolymer Double Nanostructure for Natural Antimicrobial Drug Extracts Delivery
Authors: Negut Irina , Floroian Laura , Ristoscu Carmen , Mihailescu Cristian N. , Mirza Rosca Julia Claudia , Tozar Tatiana , Badea Mihaela , Grumezescu Valentina , Hapenciuc Claudiu , Mihailescu Ion N.
Published: February 2020

Aseptic loosening and periprosthetic infections are the main causes of implant failure. Strategies to mitigate this drawback are therefore mandatory to avoid primary and revision replacement surgeries. A functional bioapatite–biopolymer double nanostructure fabricated by matrix-assisted pulsed laser evaporation to prevent infection of orthopedic and dental implants could promote osseointegration and ensure controlled delivery of natural antimicrobial drugs. The synthesized nanostructure consists of two overlapping layers, the lower from a biocompatible polymer for anticorrosive protection, and the upper of bioactive glass incorporating antimicrobial plant extract, acting as a potential drug delivery system. Morphology, composition, adherence, ability for drug delivery and biological properties (cytotoxicity and antimicrobial effect) were studied. Structures proved compact and stable, conserving a remarkable drug delivery ability for more than 21 days, i.e., enough to ensure long-term microbes’ eradication.
Enhanced Acetone Sensing Property of a Sacrificial Template Based on Cubic-Like MOF-5 Doped by Ni Nanoparticles
Authors: Zhang Ning , Li Huijun , Xu Zhouqing , Yuan Rui , Xu Yongkun , Cui Yanyu
Published: February 2020

Studying an acetone sensor with prominent sensitivity and selectivity is of great significance for the development of portable diabetes monitoring system. In this paper, cubic-like NiO/ZnO composites with different contents of Ni2+ were successfully synthesized by modifying MOF-5 with Ni2+-doped. The structure and morphology of the prepared composites were characterized by XRD, XPS, and SEM. The experimental results show that the NiO/ZnO composite showed an enhanced gas sensing property to acetone compared to pure ZnO, and the composites showed the maximum response value when Ni2+ loading amount was 5 at%. The response value of the 5% NiO/ZnO composite to acetone (500 ppm) at the optimum operating temperature (340 °C) is 7.3 times as that of pure ZnO. At the same time, the 5% NiO/ZnO composite has excellent selectivity and reproducibility for acetone. The gas sensing mechanism of the heterojunction sensor was described.
Silver Nanoparticles-Composing Alginate/Gelatine Hydrogel Improves Wound Healing In Vivo
Authors: Diniz Flavia , Maia Romerito , de Andrade Lucas Rannier , Andrade Luciana , Vinicius Chaud Marco , da Silva Classius , Corrêa Cristiane , de Albuquerque Junior Ricardo , Pereira da Costa Luiz , Shin Su , Hassan Shabir , Sanchez-Lopez Elena , Souto Eliana , Severino Patricia
Published: February 2020

Polymer hydrogels have been suggested as dressing materials for the treatment of cutaneous wounds and tissue revitalization. In this work, we report the development of a hydrogel composed of natural polymers (sodium alginate and gelatin) and silver nanoparticles (AgNPs) with recognized antimicrobial activity for healing cutaneous lesions. For the development of the hydrogel, different ratios of sodium alginate and gelatin have been tested, while different concentrations of AgNO3 precursor (1.0, 2.0, and 4.0 mM) were assayed for the production of AgNPs. The obtained AgNPs exhibited a characteristic peak between 430–450 nm in the ultraviolet-visible (UV–Vis) spectrum suggesting a spheroidal form, which was confirmed by Transmission Electron Microscopy (TEM). Fourier Transform Infra-red (FT–IR) analysis suggested the formation of strong intermolecular interactions as hydrogen bonds and electrostatic attractions between polymers, showing bands at 2920, 2852, 1500, and 1640 cm−1. Significant bactericidal activity was observed for the hydrogel, with a Minimum Inhibitory Concentration (MIC) of 0.50 µg/mL against Pseudomonas aeruginosa and 53.0 µg/mL against Staphylococcus aureus. AgNPs were shown to be non-cytotoxic against fibroblast cells. The in vivo studies in female Wister rats confirmed the capacity of the AgNP-loaded hydrogels to reduce the wound size compared to uncoated injuries promoting histological changes in the healing tissue over the time course of wound healing, as in earlier development and maturation of granulation tissue. The developed hydrogel with AgNPs has healing potential for clinical applications.
Polyol-Made Luminescent and Superparamagnetic β-NaY0.8Eu0.2F4@γ-Fe2O3 Core-Satellites Nanoparticles for Dual Magnetic Resonance and Optical Imaging
Authors: Mnasri Walid , Ben Tahar Lotfi , Beaunier Patricia , Abi Haidar Darine , Boissière Michel , Sandre Olivier , Ammar Souad
Published: February 2020

Red luminescent and superparamagnetic β-NaY0.8Eu0.2F4@γ-Fe2O3 nanoparticles, made of a 70 nm-sized β-NaY0.8Eu0.2F4 single crystal core decorated by a 10 nm-thick polycrystalline and discontinuous γ-Fe2O3 shell, have been synthesized by the polyol process. Functionalized with citrate ligands they show a good colloidal stability in water making them valuable for dual magnetic resonance and optical imaging or image-guided therapy. They exhibit a relatively high transverse relaxivity r2 = 42.3 mM−1·s−1 in water at 37 °C, for an applied static magnetic field of 1.41 T, close to the field of 1.5 T applied in clinics, as they exhibit a red emission by two-photon excited fluorescence microscopy. Finally, when brought into contact with healthy human foreskin fibroblast cells (BJH), for doses as high as 50 µg·mL−1 and incubation time as long as 72 h, they do not show evidence of any accurate cytotoxicity, highlighting their biomedical applicative potential.
Inculturation, Anthropology, and the Empirical Dimension of Evangelization
Authors: Ballano Vivencio
Published: February 2020

Using anthropological and theological perspectives and secondary literature, this paper argues that the scientific study of culture by professional anthropologists and social scientists is an essential component in the Catholic Church’s mission of evangelization through inculturation. Inculturation, the process of inserting the Christian message in society, requires scientific discernment to know which cultural traits are compatible with or contrary to the Christian faith, requiring anthropological training and active collaboration between theologians and professional anthropologists. Evangelization has incarnational and empirical dimensions when inserting the Gospel in human cultures. A genuine evangelization of cultures must be firmly rooted in the empirical reality of local cultures. The philosophical and theological orientation of many inculturationists and missionaries may sufficiently address the metaphysical dimension of the Christian faith, but not its empirical aspect when preached and adapted to human behavior in society, which entails scientific ethnographic research and active dialogue among clerics, missionaries, and social scientists.
Tunnel Monitoring and Measuring System Using Mobile Laser Scanning: Design and Deployment
Authors: Sun Haili , Xu Zhengwen , Yao Lianbi , Zhong Ruofei , Du Liming , Wu Hangbin
Published: February 2020

The common statistical methods for rail tunnel deformation and disease detection usually require a large amount of equipment and manpower to achieve full section detection, which are time consuming and inefficient. The development trend in the industry is to use laser scanning for full section detection. In this paper, a design scheme for a tunnel monitoring and measuring system with laser scanning as the main sensor for tunnel environmental disease and deformation analysis is proposed. The system provides functions such as tunnel point cloud collection, section deformation analysis, dislocation analysis, disease extraction, tunnel and track image generation, roaming video generation, etc. Field engineering indicated that the repeatability of the convergence diameter detection of the system can reach ±2 mm, dislocation repeatability can reach ±3 mm, the image resolution is about 0.5 mm/pixel in the ballast part, and the resolution of the inner wall of the tunnel is about 1.5 mm/pixel. The system can include human–computer interaction to extract and label diseases or appurtenances and support the generation of thematic disease maps. The developed system can provide important technical support for deformation and disease detection of rail transit tunnels.
Performance of TRMM Product in Quantifying Frequency and Intensity of Precipitation during Daytime and Nighttime across China
Authors: Li Yun , Guo Bin , Wang Kaicun , Wu Guocan , Shi Chunming
Published: February 2020

The Tropical Rainfall Measurement Mission (TRMM) satellite is the first to be designed to measure precipitation, and its precipitation products have been assessed in a variety of ways. Data for its post-real-time level 2 product (3B42) performed well in terms of the precipitation amount at the monthly scale because they were corrected by a precipitation dataset that was gauged every month. However, the performance of this dataset in terms of precipitation frequency and intensity is still not ideal. To this end, TRMM 3B42 products were evaluated using precipitation data from 747 meteorological stations over mainland China in this study. The Pearson’s correlation coefficient (CC), relative bias (RB), and relative error (RE) were used to assess the capability of TRMM products in terms of estimating the frequency, intensity, and amount of precipitation for different categories of precipitation during nighttime and daytime in a multiscale analysis (including interannual variation, seasonal cycles, and spatial distribution). Our results showed the following: (1) The 3B42 products reproduced interannual trends of the frequency and amount of precipitation (except for trace precipitation) with an average correlation coefficient of 0.84. (2) 3B42 performed well at calculating the annual and monthly precipitation amount, but performed poorly for frequency and even worse for intensity. The biases in these two properties canceled out, however, which led to a better estimate of the amount. (3) 3B42 represented the distribution of the subdaily amount of precipitation over a majority of the regions in the east, but did not perform well on the Tibetan Plateau or in northwest China. The performance of 3B42, as detailed in this study, can serve as valuable guidance to data users and algorithm developers.
An Efficient, Anonymous and Robust Authentication Scheme for Smart Home Environments
Authors: Banerjee Soumya , Odelu Vanga , Das Ashok Kumar , Chattopadhyay Samiran , Park Youngho
Published: February 2020

In recent years, the Internet of Things (IoT) has exploded in popularity. The smart home, as an important facet of IoT, has gained its focus for smart intelligent systems. As users communicate with smart devices over an insecure communication medium, the sensitive information exchanged among them becomes vulnerable to an adversary. Thus, there is a great thrust in developing an anonymous authentication scheme to provide secure communication for smart home environments. Most recently, an anonymous authentication scheme for smart home environments with provable security has been proposed in the literature. In this paper, we analyze the recent scheme to highlight its several vulnerabilities. We then address the security drawbacks and present a more secure and robust authentication scheme that overcomes the drawbacks found in the analyzed scheme, while incorporating its advantages too. Finally, through a detailed comparative study, we demonstrate that the proposed scheme provides significantly better security and more functionality features with comparable communication and computational overheads with similar schemes.
Mechatronics and Remote Driving Control of the Drive-by-Wire for a Go Kart
Authors: Wu Chien-Hsun , Lin Wei-Chen , Wang Kun-Sheng
Published: February 2020

This research mainly aims at the construction of the novel acceleration pedal, the brake pedal and the steering system by mechanical designs and mechatronics technologies, an approach of which is rarely seen in Taiwan. Three highlights can be addressed: 1. The original steering parts were removed with the fault tolerance design being implemented so that the basic steering function can still remain in case of the function failure of the control system. 2. A larger steering angle of the front wheels in response to a specific rotated angle of the steering wheel is devised when cornering or parking at low speed in interest of drivability, while a smaller one is designed at high speed in favor of driving stability. 3. The operating patterns of the throttle, brake, and steering wheel can be customized in accordance with various driving environments and drivers’ requirements using the self-developed software. The implementation of a steer-by-wire system in the remote driving control for a go kart is described in this study. The mechatronic system is designed in order to support the conversion from human driving to autonomous driving for the go kart in the future. The go kart, using machine vision, is wirelessly controlled in the WiFi frequency bands. The steer-by-wire system was initially modeled as a standalone system for one wheel and subsequently developed into its complete form, including front wheel steering components, acceleration components, brake components, a microcontroller, drive circuit and digital to analog converter. The control output section delivers the commands to the subsystem controllers, relays and converters. The remote driving control of the go kart is activated when proper commands are sent by the vehicle control unit (VCU). All simulation and experiment results demonstrated that the control strategies of duel motors and the VCU control were successfully optimized. The feasibility study and performance evaluation of Taiwan’s go karts will be conducted as an extension of this study in the near future.
The Effects of Fear Appeals and Message Format on Promoting Skin Cancer Prevention Behaviors among College Students
Authors: Zhang Meadows Cui
Published: February 2020

This study tested the Extended Parallel Process Model (EPPM) by examining how fear mediated the effects of threat on individuals’ assessment of risk, which was neglected in many fear appeal studies. Second, this study treated efficacy as an existing perception, and explored the effects of varying levels of threat and efficacy on individuals’ behavioral intention. Furthermore, this study examined whether message format, such as narratives, played a role on individuals’ behavioral intention. Implications for the EPPM and health message development were discussed.
Coffee House Consumers’ Value Perception and Its Consequences: Multi-Dimensional Approach
Authors: Kim Kwangyong , Choi Hyun-jun , Hyun Sunghyup Sean
Published: February 2020

This research paper explored the causal relationship between consumers’ brand value perception, brand credibility, brand prestige, and other consequential outcome variables. The conceptual relationships were described into a potential theoretical research model. The potential theoretical model was empirically assessed using structural equation-based modeling analysis using the survey data obtained from 309 coffee drinkers in United States. The data analysis outcomes revealed that utilitarian-related value perception creates consumers’ brand credibility. Moreover, coffeehouse consumers’ hedonic value perception and social value perception increase brand prestige perception. This study revealed that consumers’ credibility perception and perceived prestige level has direct/indirect influence on perceived brand trust, commitment, and loyalty. Based upon the research findings, suggestions for the industry and future studies are provided.
Bifurcation Analysis and Periodic Solutions of the HD 191408 System with Triaxial and Radiative Perturbations
Authors: Gao Fabao , Wang Ruifang
Published: February 2020

The nonlinear orbital dynamics of a class of the perturbed restricted three-body problem is studied. The two primaries considered here refer to the binary system HD 191408. The third particle moves under the gravity of the binary system, whose triaxial rate and radiation factor are also considered. Based on the dynamic governing equation of the third particle in the binary HD 191408 system, the motion state manifold is given. By plotting bifurcation diagrams of the system, the effects of various perturbation factors on the dynamic behavior of the third particle are discussed in detail. In addition, the relationship between the geometric configuration and the Jacobian constant is discussed by analyzing the zero-velocity surface and zero-velocity curve of the system. Then, using the Poincaré–Lindsted method and numerical simulation, the second- and third-order periodic orbits of the third particle around the collinear libration point in two- and three-dimensional spaces are analytically and numerically presented. This paper complements the results by Singh et al. [Singh et al., AMC, 2018]. It contains not only higher-order analytical periodic solutions in the vicinity of the collinear equilibrium points but also conducts extensive numerical research on the bifurcation of the binary system.
Determinación de los factores que inciden en la degradación de los suelos por herbicida (glifosato), y su incidencia en el cultivo de papaya (Carica papaya) en el cantón Santo Domingo, provincia Santo Domingo de los Tsachilas
Authors: Caicedo Aldaz Julio Cesar
Published: February 2020

El propósito de este estudio es ayudar a comprender los efectos que causa el uso desmesurado del herbicida sistémico glifosato sobre el suelo, al ser aplicado en el control de malezas en el cultivo de papaya. La presente investigación se realizó en un puesto de cultivo de papaya para determinar si el herbicida sistémico glifosato era la causa de ciertos problemas que se presentan en el cultivo de papaya, tales como el rendimiento bajo de producción en el cultivo, si hay o no residualidad del herbicida en el suelo, si afectaba a los microorganismos existentes en el suelo, además de comprobar si afectaba a los macro y micronutriente que toma la planta, se realizó un análisis foliar para determinar la asimilación de los nutrientes por parte de la planta. Para realizar este trabajo de investigación se tomó las muestras de una propiedad ubicada en el recinto Puerto Limón del cantón Santo Domingo, De la Empresa NEW HEAR, en ella se tomó lotes de 1 a 4 años de edad. Como resultado se obtuvo que no existe residualidad del glifosato en el suelo, debido a que sus niveles encontrados son menores que los límites de detección y cuantificación, de acuerdo al método Spann y Hargreaves. Se demostró que el glifosato no afecta directamente a los microorganismos existentes en el suelo, ya que los microorganismos se mantienen en los niveles aceptables. Por último el glifosato no interviene en los macro y micro nutrientes del suelo.
ANALISIS KERENTANAN LONGSOR PADA LERENG BERBASIS GRAFIK PARTICLE MOTION
Authors: Wiranata Ferdinandus Edwin , Anggoro Paulus Wisnu , Prabowo Urip Nurwijayanto
Published: February 2020

Tampilan visual getaran tanah atau bangunan dapat dilihat secara langsung dengan perangkat mikrotremor. Perangkat mikrotremor terdiri dari perangkat lunak DATAQ, data logger dan seismometer yang dapat menampilkan bentuk sinyal secara langsung. Sistem seperti ini banyak digunakan dalam memonitor kejadian bencana. Pada bidang kebencanaan longsor akibat gempabumi, analisis kerentanan dilakukan setelah melakukan pengukuran melalui proses pengolahan data dengan perangkat lunak Geopsy. Beberapa fitur dalam Geopsy seperti H/V, SPAC, dan Damping digunakan untuk memberikan gambaran kuantitatif, sementara Particle Motion memberikan tampilan visual arah gerak partikel. Rentang frekuensi yang digunakan pada penelitian ini adalah1 – 15 Hz. Hasil penelitian menunjukkan arah gerak partikel di area barat lereng didominasi oleh arah barat laut-tenggara (NW-SE) sementara di timur lereng didominasi oleh pergerakan partikel ke segala arah. Pola pergerakan partikel di selatan lereng adalah barat laut-tenggara (NW-SE), timur laut-barat daya (NE-SW), dan timur-barat (E-W), sedangkan pergerakan partikel dalam arah vertikal didominasi oleh arah gerak kuadaran II-kuadran IV

Kata Kunci: particle motion, mikrotremor, lereng, frekuensi
KAJIAN DRUM-BUFFER-ROPE BERBASIS THEORY OF CONTRAINT UNTUK MENYEIMBANGKAN ALIRAN PRODUKSI
Authors: Bidiawati Ayu , Setiawati Lestari
Published: February 2020

Pada Proses produksi pembuatan meubel ditemui penumpukan produk setengah jadi pada stasiun-stasiun kerja tertentu. Hal ini dikarenakan adanya stasiun kerja yang tidak memiliki kapasitas untuk memenuhi permintaan, sehingga mengakibatkan ketidakseimbangan aliran produksi dan  belum adanya  jadwal produksi yang optimal sehingga target produksi tidak tercapai. Penelitian dilakukan untuk pengoptimalan stasiun kerja yang tidak memiliki kapasitas untuk memenuhi permintaan dengan menggunakan metode Drum-Buffer-Rope dalam Theory of Constraints (TOC) berdasarkan pendekatan Program Linier. TOC dilakukan dengan pengidentifikasian stasiun kerja yang tidak memiliki kapasitas untuk memenuhi permintaan. Penggunaan TOC dengan pendekatan program linier dalam tujuannya untuk mendapatkan profit yang maksimal. Dalam penelitian ini ditinjau 3 jenis produk yaitu produk kamar set mawar, kursi tamu monaco dan kursi makan rosalinda diproses di 4 stasiun kerja. Berdasarkan penerapan metode Drum-Buffer-Rope dalam Theory of Constraints (TOC) diketahui stasiun kerja amplas merupakan stasiun kerja yang tidak memiliki kapasitas untuk memenuhi permintaan. Hasil penelitian adalah keseluruhan target produksi tidak dapat dilaksanakan, sehingga dilakukan prioritas produksi dengan program linier. Dari prioritas produksi dilakukan penjadwalan produksi yang memberikan waktu penyelesaian keseluruhan produk yang lebih singkat, sehingga waktu menganggur  pada tiap stasiun kerja dapat diminimasi.
Perencanaan Jaringan Seluler GSM 1800 MHz
Authors: Wirawangsa Dito , Budi Agus Heri Setya , Sabri Fidyah Niqo
Published: February 2020

Dalam penelitian ini dilakukan simulasi coverage area planning untuk frekuensi 1800MHz di Daerah Sukasari Kota Bandung, agar dapat meningkatkan kualitas jaringan di daerah tersebut. Data-data yang diperlukan dalam memprediksi jumlah E node B hingga tahun 2025 ini yakni jumlah penduduk, usia produktif, luas wilayah, dan laju pertumbuhan penduduk. Pengerjaan penelitian dimulai dengan melakukan studi literatur terkait materi yang ada pada penelitian ini, mengumpulkan parameter yang dibutuhkan, menghitung prediksi jumlah E nodeB hingga tahun 2025, kemudian melakukan simulasi pada software atoll. Berdasarkan hasil penelitian ini bahwa jumlah E node B setiap dua tahun sekali bertambah jumlahnya 1 E node B dan setiap pertambahan jumlah E node B itu juga diiringi dengan perbaikan kualitas dari parameter RSRP, RSSI, dan RSRQ
Comparison of the Prevalence and Characteristics Between EWGSOP1-and EWGSOP2-defined Sarcopenia in Patients with Colorectal Cancer
Authors: Zhang Feng Min , Yu Zhen , Shi Han Ping , Zhuang Cheng Le
Published: February 2020

Background

Sarcopenia, as diagnosed by the former EWGSOP1 guidelines, was prevalent in cancer patients. The aim of this study was to examine the diagnostic capabilities of the previous and current guidelines, and to compare the clinicopathological features between patients diagnosed using the algorithms comprising the EWGSOP1 and EWGSOP2 guidelines.

Methods

We conducted a study including colorectal cancer patients from July 2014 to July 2019. The skeletal muscle mass, muscle attenuation, handgrip strength, and 6-meter usual gait speed were prospectively measured to define sarcopenia once patients were hospitalized.

Results

Of a total of 840 patients, 160 (19.0%) patients were diagnosed with sarcopenia based on the EWGSOP1 and 241 (28.7%) patients were diagnosed based on the EWGSOP2. The numbers of patients diagnosed with sarcopenia and severe sarcopenia were much higher when the EWGSOP2 guidelines were used (160 vs. 241 and 74 vs. 140, respectively). The patients with EWGSOP2-defined sarcopenia showed a lower plasma albumin concentration (37.4 vs. 36.4, P = 0.039) but higher BMI (21.01 vs. 22.22, P < 0.001) than the patient diagnosed based on the EWGSOP1 guidelines.

Conclusion

The diagnosis of sarcopenia based on screening using the EWGSOP1 and EWGSOP2 guidelines differs considerably, at least in patients with colorectal cancer. In addition, the patients with EWGSOP2-diagnosed sarcopenia also showed a trend toward a lower plasma albumin level and higher BMI.
Factors Associated with Postoperative Gallstone Formation in Gastric Cancer Patients: a Systematic Review and Meta-analysis
Authors: Xu Jia Ming , Zhang Jing Qiu , Dai Zhu Jiang , Fang Yong Kun , Zhao Qi , Yan Cheng , Wang Wei , Tang Dong , Wang Dao Rong
Published: February 2020

Objective

In this meta-analysis, we analyzed the risk factors for gallstone formation after gastric cancer surgery.

Methods

Relevant studies published from 1990 to 2017 were retrieved from the PubMed, Embase, Medline, Web of Science, Cochrane Library, Springer Link, Chinese Biomedical Literature, and Wanfang databases. We performed a meta-analysis to determine the odds ratio and 95% confidence interval (95% CI).

Results

Nineteen studies were included in the meta-analysis: four randomized controlled trials (RCTs), 10 case-control studies, and five cohort studies. The 19 studies included 32 to 16,045 patients. The pooled OR (95% CI) and P-values of the OR (95% CI) were 1.89 (1.25, 2.86) (P = 0.003) for gastric resection, 0.22 (0.12, 0.40) (P < 0.00001) for vagus nerve retention, 1.73 (1.45, 2.06) (P < 0.00001) for digestive tract reconstruction, 0.80 (0.54, 1.17) (P = 0.25) for pylorus-preserving gastrectomy, 0.59 (0.33, 1.04) (P = 0.07) for the degree of lymph node dissection, 1.98 (0.50, 7.86) (P = 0.33) for D12 lymph node dissection, and 1.33 (1.15, 1.54) (P < 0.0001) for diabetes.

Conclusions

Our findings indicate that partial gastrectomy, vagus nerve preservation, and physiological digestive tract reconstruction can reduce the incidence of gallstones after gastrectomy. Diabetes is a contributory factor to gallstone formation. There was no significant difference in the incidence of gallstones based on pylorus preservation/non-preservation, the degree of lymph node dissection, or D12 lymph node dissection. This is the first meta-analysis to comprehensively analyze the risk factors for gallstone formation after gastric cancer surgery. We investigated the risk associated with gastric resection, vagus nerve retention, digestive tract reconstruction, PPG, the degree of lymph node dissection, D12 lymph node dissection, and diabetes.
Unchanging Struggle in a Changing World: Unmasking the Social Mechanism in Female Verses
Authors: M Sutha , A Priya , R Ravikumar
Published: February 2020

Despite the prevalence of gender-based theories of feminism and women language after 19 th century, several female scholars emerged from the Sangam era and sowed the seeds of this idea. The lists of the female poets are Avvaiyar, Perunkopendu, Andal, Karaikalammaiyar and present women language poets. With the changing times and the voices of various feminist rebellions, the social texture that is limited to women has not only changed, but the plight of women has increased on a daily basis. In particular, the definitions of women in the two different contexts of home and work are still unchanged. Although women are projected to have created a free space for education and economic quality, there are still women who accept subjugation as on unwritten rule. This paper is a study of women language verse, which has recorded this constant dehumanization as a weapon of language and provoking social conscience as feminism.
Tamil Langauge Learning for Assamese Students: An Error Analysis
Authors: B Vijayakumar
Published: February 2020

‘Language learning’ is a continuous process, and the learners have to focus on the various aspects of the language whether it is Tamil, English or any other language. In the process of learning, the learners commit errors while speaking and writing. Through constant practice and proper usage, they gradually avoid errors in their language. It is not possible for a teacher or a learner to get rid of this problem without practicing the language. As far as the Tamil language is concerned, it is learnt as a foreign language in some countries and as a second language in other states of India. The concept of "error" has become one of the major problems in language learning. In this article an attempt is made to examine the important dimensions of Error Analysis, with specific reference to the errors produced by learners of Tamil as a second language at Gauhati University. The paper deals with the scope of Tamil language-learning in Assam and the explanations of different categories of language error committed by students and the solution to the error.
'Aanmavin Raagangal', A catalyst to provoke Humanitarianism and Patriotism
Authors: F Fatima Mary Sylvia , M Anbarasu
Published: February 2020

A song sung by a soul which sacrificed himself publicly for the freedom of India and by the soul which sacrificed herself privately for the freedom of India is the centre and apex of the Novel ‘Aanmavin Raagangal’. The sweet characters of these two souls kindle us to read this novel continually. From this Novel, we can clearly understand the Patriotism and Humanitarianism of the author, Na. Parthasarathy. This novel portrays the nature of selfless people in the period of freedom struggle of India and the selfish people of the corrupted politics at present. The study calls us to get rid of all social evils at present and also insist us to imbibe the patriotism and humanitarianism.
PENGEMBANGAN PEMURIDAN KONTEKSTUAL SEBAGAI PEMBINAAN BAGI PEMUDA YANG DEWASA DALAM IMAN
Authors: Nengsi Anita
Published: February 2020

ABSTRAKKegagalan moral adalah kenyataan yang universal, dan kesalahan, malu dan hati nurani yang tercemar adalah pengalaman manusiawi yang paling umum. Jadi pembentukan dan perubahan kehidupan dan karakter akan terjadi dengan dilambangkan oleh baptisan yang terjadi akibat iman yang di dasari atas Firman Allah. Oleh karena itu dibutuhkan pembinaan terhadap kaum muda. Solusi yang ditawarkan adalah komunitas pemuridan kontekstual yang terus menerus memegang kebenaran Kristus dalam kehidupannya setiap hari. Masalah dalam penelitian ini adalah bagaimana pemuridan kontekstual menghasilkan pemuda yang dewasa di dalam iman. Penelitian ini menggunakan pendekatan kualitatif dengan jenis penelitian fenomenologis. Penelitian ini menghasilkan bahwa pemuridan kontektual harus senantiasa memegang kebenaran Alkitab sebagai acuan dan harus memberikan acuan sampai tingkatan tingkah laku, dan perubahan hidup. Pemuridan kontektual ini menjadi jawaban dengan konsistensi dan menjadi pengembangan pembinaan bagi pemuda.
ANALISIS RASIO LIKUIDITAS DAN RASIO PROFITABILITAS PADA PERUSAHAAN DAERAH AIR MINUM KABUPATEN OGAN KOMERING ULU
Authors: Anwar Yuniarti , Yunsepa Yopi , Meliyani Rafiza
Published: February 2020

Analysis of Liquidity Ratios and Profitability Ratios in Ogan Komering Ulu District Water Supply Company. The formulation of the problem in this study is how liquidity ratios and profitability ratios in Ogan Komering Ulu Regional Water Supply Company? The purpose of this study was to determine the liquidity ratios and profitability ratios in the Regional Water Supply Company of Ogan Komering Ulu Regency.Data analysis techniques used in research using qualitative and quantitative analysis with descriptive methods. The type of data used are primary data and secondary data. From the results of the analysis of the calculation of the level of liquidity of the Regional Water Supply Company of Ogan Komering Ulu Regency during 2014-2017, the average value of the quick ratio was 903.5%, current ratio 1,008.75% and cash ratio of 58.75%. This shows that the company is in good condition because it has exceeded industry standards where the company is able to fulfill its short-term obligations. And the level of profitability over the past four years, namely 2014-2017, is not in a good condition because the calculation of net profit margin, return on investment, and return on equity has a negative value, this is because the company always loses and has not been able to manage the source of funds owned efficient and effective.Keywords: Analysis of financial ratios, liquidity, profitability
Peranan Masjid Dalam Pendidkan Islam Masyarakat Pulau Penyengat
Authors: Gusnita Erlina , Rahardi M Teddi
Published: February 2020

Penelitian ini dilatarbelakangi oleh revitalisasi masjid sebagai lembaga pendidikan Islam sangat penting untuk meningkatkan kualitas pendidikan Islam dan menghadapi isu yang multidimensional. Masjid Sultan Riau Penyengat merupakan masjid bersejarah di Pulau Penyengat Kota Tanjungpinang Provinsi Kepulauan Riau. Masjid tersebut terletak di tempat yang strategis sehingga mudah diakses oleh kaum muslimin. Masjid tersebut biasa digunakan sebagai lembaga pendidikan Islam mulai dari sebagai tempat ibadah, dakwah maupun sebagai tempat belajar yang sifatnya nonformal. Peran masjid tersebut nampaknya didukung dengan adanya perguruan tinggi, pemerintah daerah dan masyarakat setempat. Fokus penelitiannya adalah Bagaimana peranan Masjid Sultan Riau Penyengat Kota Tanjungpinang Provinsi Kepulauan Riau sebagai lembaga dakwah. Bagaimana peranan Masjid Sultan Riau Penyengat Kota Tanjungpinang Provinsi Kepulauan Riau sebagai lembaga ibadah. Bagaimana peranan Masjid Sultan Riau Penyengat Kota Tanjungpinang Provinsi Kepulauan Riau sebagai lembaga kemasyarakatan. Tujuan penelitiannya adalah untuk mengetahui peranan Masjid Sultan Riau Penyengat Kota Tanjungpinang Provinsi Kepulauan Riau sebagai lembaga dakwah. Untuk mengetahui peranan Masjid Sultan Riau Penyengat Kota Tanjungpinang Provinsi Kepulauan Riau sebagai lembaga ibadah. Untuk mengetahui peranan Masjid Sultan Riau Penyengat Kota Tanjungpinang Provinsi Kepulauan Riau sebagai lembaga kemasyarakatan

Metode penelitian, penelitian ini bersifat deskriptif kualitatif, lokasinya di Masjid Sultan Riau Penyengat, metode pengumpulan data adalah observasi, interview, dan dokumentasi. Analisis data dengan reduksi data. Pengecekan keabsahan memakai triangulasi, pembahasan sejawat, dan perpanjangan keikutsertaan.

Hasil penelitian: Peran utama masjid, terutama masjid Sultan Riau Penyengat adalah sebagai lembaga atau tempat ibadah. Sebagaimana data yang masuk, tujuan pengunjung yang datang ke masjid semuanya adalah untuk menjalankan ibadah, baik ibadah fardhu maupun ibadah sunnah. Bahkan tidak ada sebuah masjid yang sengaja dibangun, namun tidak berfungsi sebagai tempat ibadah ini. Semua umat Islam sepakat dengan fungsi masjid yang ini, namun kadang-kadang berbeda mengenai fungsi yang lainnya. Masjid al-Munawar ini juga berperan sebagai lembaga dakwah, terbukti dengan adanya kegiatan-kegiatan untuk mensyiarkan Islam dan membangkitkan semangat beribadah, yang berupa kegiatan pengajian akbar, tilawah al-Qur'an dan sebagainya, walaupun tidak berfungsi sebagai masjid yang berpersantren. Peran masjid Sultan Riau Penyengat sebagai lembaga kemasyarakatan ada yang sudah termasuk ke dalam peran masjid sebagai lembaga ibadah, yaitu ketika shalat berjamaah. Ada juga yang melalui kegiatan keagamaan tertentu, seperti halnya tilawah al-Qur'an, pengajian, dan lain-lain, masyarakat semua berperan aktif dalam hal itu.
ANALISIS SOAL-SOAL UJI KOMPETENSI PADA BUKU TEKS MATEMATIKA SMA KELAS XI PEMINATAN IPA SEMESTER 1 BERDASARKAN TINGKAT KOGNITIF TAKSONOMI BLOOM
Authors: Suharman Agus , Ramadhona Rezky
Published: February 2020

Tujuan penelitian ini adalah menganalisis soal-soal uji kompetensi pada buku teks matematika SMA kelas XI Peminatan IPA berdasarkan tingkat kognitif taksonomi bloom. Penelitian ini menggunakan metode studi kasus dengan rancangan deskriptif. Subjek penelitian ini adalah soal-soal uji kompetensi buku teks matematika kelas XI Peminatan IPA semester 1 hasil revisi kurikulum 2013. Sebanyak135 soal dikaji dengan rincian 30 soal materi trigonometri, 55 soal materi persamaan lingkaran, dan 50 soal materi polinomial. Pada penelitian ini setiap soal akan dianalisis tingkat kognitifnya berdasarkan taksonomi bloom. Hasil penelitian ini adalah persentase soal untuk masing-masing tingkat kognitif adalah: C1 (0%), C2 (11,11%), C3 (19,26%), C4 (51,11%), C5 (18,52), dan C6 (0%).
KORELASI ANTARA PENGETAHUAN AGAMA ISLAM DAN PENINGKATAN KUALITAS PERILAKU BERAGAMA PESERTA DIDIK DI SMA NEGERI I TAKALAR
Authors: Komarudin Yahya
Published: February 2020

Penelitian ini mengkaji tentang hubungan antara pengetahuan agama Islam dan kualitas perilaku beragama peserta didik di SMA Negeri I Takalar. Penelitian ini merupakan penelitian lapangan (field research), juga termasuk penelitian survei karena menggunakan populasi dan sampel, dan jika dilihat dari jenis datanya termasuk penelitian kuantitatif dengan instrumen pengumpulan data observasi, tes, dokumentasi, dan wawancara. Untuk proses analisis data digunakan analisis deskriptif kuantitatif dan analisis inferensial. Adapun pendekatan yang digunakan dalam penelitian ini adalah pendekatan teologis-normatif, pedagogis, dan psikologis. Hasil penelitian menunjukkan bahwa pengetahuan agama Islam peserta didik di SMA Negeri I Takalar berada pada kategori tinggi dalam kata lain telah sampai taraf baik, hal itu disebabkan dari beberapa faktor pendukung antara lain, guru, lingkungan dan masyarakat sekitar. Perilaku beragama peserta didik SMA Negeri I Takalar pada kategori sedang atau dengan kata lain belum optimal, karena belum sepenuhnya mengaplikasikan semua pengetahuan agama yang dipelajarinya. Tidak ada hubungan positif dan signifikan antara pengetahuan agama Islam dengan perilaku beragama peserta didik SMA Negeri I Takalar, berarti tingginya tingkat pengetahuan agama Islam peserta didik tidak terlalu membawa dampak yang signifikan terhadap kualitas perilaku beragama peserta didik, meskipun ada sedikit sumbangsihnya.
أثر المعالجات التصميمية للحواجز البنائية في توفير الحجب البصري في الدور السكنية
Authors: Al jawadi Miqdad haidar , Noori Adeeb noori
Published: February 2020

تفتقر كثير من الدور السكنية الحديثة الى الحجب البصري بين فضاءاتها الداخلية لتوفير الخصوصية فى المكان،

ص ح التجاور او التقابل والمتمثلة بالأبواب وغيرها.  وسبب ذلك هو عدم دراسة مواقع فتحات الفضاءات الداخلية

ويهدف البحث الى استكشاف المعالجات التصميمية التي تزيد من الحجب البصري بين الفضاءات. \الحجب البصري من خلال الارتباط البصري واللاارتباط البصري وحسب مفهوم البحث، ويدرس تديد معنى يتم عدد من مخططات الدور السكنية ذات الانماط المختلفة، وتعيين عناصر الحجب البصري ضمن هذه الدور. ويتم قياس درجة الحجب البصري لكل معالجة تصميمية بنائية بالاعتماد على دراسة نسبة الارتباط البصري واللاارتباط البصري لدار وكذلك في اية نقطة خارج او داخل الدار، حيث ان الارتباط البصري واللاارتباط البصري يعنيان الرؤية المباشرة او عدمها على التوالي. تقارن كفاءة كل معالجة تصميمية بنائية في درجة الحجب البصري من الخارج نحو الداخل وكذلك كفاءة المعالجات التصميمية البنائية الداخلية في درجة الحجب البصري الداخلي بين الفضاءات، وتتم المقارنة رياضيا لمعرفة كفاءة كل معالجة تصميمية. يتم استكشاف العلاقة بين أسلوب تصميم صر

العنا المعمارية وادائها في الحجب البصري وتقييم درجة حجبها ليتسنى للمعماريين توظيفها في تصاميمهم بما يتناسب مع المتطلبات الاجتماعية للمواطن العراقي المعاصر
Development of the form and meaning relationship in Architecture
Authors: Al-AkkAM Akram Jassim , ELHyti Ayad Ahmed
Published: February 2020

Many architectural literatures and studies emphasized on the relationship between

Form and meaning. Ihat relationship varied through historical periods as a result of the natureof thinking changes reflecting specifically on that relationship.

The research aims to verify the nature of relationship between form and meaning

through historical and philosophical approaches in architecture. The research hypothesizedvariation of structural principles of that relationship To achieve the research's aim, It was subdivided into three parts. The first, historical

dealt with a greek, gothic, romanesque, renaissance, and Baroque architecture, While the

second part displayed the modern and contemporary architecture (post-modernsim and

deconstractivism).
المؤشرات التكنولوجية لعلاقة الشكل بالمنشا في الفضاءات الداخلية المعاصرة
Authors: Al-Akkam Akram Jassim , AL-Tek Hazim AL-Tek , Agha Rand Hazim
Published: February 2020

ركزت العديد من الطروحات على موضوع التكنولوجيا في العمارة عموما والفضاءات الداخلية خصوصا،

وتناولت بعض الدراسات اثر التكنولوجيا على العلاقة بين الشكل والمنشأ في الفضاء الداخلي المعاصر مفترضة تأثر  تلك العلاقة بالأسس الهيكلية والمعنوية للتكنولوجيا، إلا أن تلك الدراسة لم تبين درجة معنوية مؤشرات تلك العلاقة.  يهدف البحث الحالي الكشف عن درجة معنوية مؤشرات العلاقة التكنولوجية بين الشكل والمنشأ في الفضاءات  الداخلية، مفترضا تباين درجة معنوية تلك المؤشرات.  ولتحقيق هدف الدراسة، وظف البحث عينه شملت (10) مستجيبين ومجموعة فضائية منتخبة شملت (28)  فضاءا داخليا، جمعت البيائات خلال استمارة الملاحظة، وخلال ثلاثة اوجه مسحية، استغرقت قرابة ثلائة اشهر استخدم  التحليل التائي (T-Test) كاسلوب إحصائي في معاملة البيانات وباعتماد برنامج (spss).  أوضحت النتائج أولوية الصياغة المبتكرة للتشكيلات الشكلية المنشئية وميلها للتهرر من الهندسية المنتظمة  غلاف الفضاء الداخلي من المحددات التصميمية، اضافة لتنوع العلاقات الشكلية  نحو العضوية والنحتية، وتحرر  المنشئية مثل التدرج والتكسر.  كما بينت النتائج اولوية العلاقات المعنوية (semantical) والمتمثلة بالتعبير الفني والصراحة التعبيرية عن  المنطق المنشئي والشكلي، شمولية وتكامل الحلول، عرض التقنيات بصورة زخرفية او نحتية، غموض العلاقات