bluuebunny/crossref_metadata_2025_split huggingface dataset:
Study of Shock-processed Titanium Powder in View the Crystal Structure and Microstructure Dimension
Authors: Ahmad Irshad 
Published: November 2019

Titanium powder was rapidly solidified by using shock-wave consolidation technique. The critical parameters were controlled by the instrumented detonics and pin- oscillography. The compacted specimens were investigated for crystal structure and micro structural strengthening by using standard diagnostic techniques. The density of the final product was found to be more than 96% of the theoretical value. X-ray diffraction pattern reveals intact crystalline structure without the presence of any undesired phases. The particle size reduction indicated by XRD was supported by laser diffraction based particle size analyzer. The crystalline structure of the compacted specimen remained intact. No impurity or phase of any other kind was detected. There is no segregation within the compacts. Results from energy dispersive spectroscopy ruled out the possibility of any segregation within the compacts. This high-quenching during rapid solidification minimize chemical segregation and formation of massive phases and hence ensures a homogeneous fine-grained structure. Scanning electron microscopy showed crack-free, voids-free, melt-free, fracture-less compacts of titanium with a unidirectional dendrite orientation without any grain-growth. The particle size of the titanium powder calculated from SEM image found to be ~30μm that supports the earlier observation. Shock-wave consolidation being transient in nature, owing to its short processing time, controlled parameters and high quench-rates proven to be a very helpful technique for obtaining a stable structural and microstrutural products. Hence, SWC technique helped in forming the uniform melt-free, crack-free, voids-free compacts of titanium powder.
A Parametric Approach to the Evaluation of Flexural Strength of Advanced Ceramic or Glass Like Cylindrical Rods at Ambient Temperature
Authors: Krishnan Padmanabhan 
Published: November 2019

This critical review presents a parametric approach to the evaluation of flexural strength of advanced ceramic or glass like cylindrical rods at ambient temperature. The parameters governing the measurement and evaluation of flexure strengths of glasses and ceramics are detailed with references. The scope for improvement in the existing ASTM STM C -1684 standard is described with a logical rationale and the parameters that need to be addressed are listed and explained.
Alkali Treatment to Maximize Adhesion of Polypyrrole Coatings for Electro-Conductive Textile Materials
Authors: Yildiz Zehra , Usta Ismail , Kale Bandu Madhukar , Mellen Graham B. , Wang Youjiang 
Published: November 2019

In this paper polyester fabrics were pretreated with alkaline solution to improve the ability for the fabric surface to bond with polypyrrole (PPy) coating layer. In situ chemical oxidative polymerization of pyrrole monomer was performed on alkali treated polyester fabrics. Then the fabrics were characterized by FTIR and XRD analysis. The tensile properties of the yarns in both warp and weft directions were measured after alkali treatment and PPy coating processes. The abrasion resistance test was performed on PPy coated fabrics with and without alkali treatment. The surface electrical resistivity of PPy coated fabrics were searched. The electromagnetic shielding effectiveness (EMSE) properties of fabrics in terms of reflection, absorption and transmission behaviors were also investigated. A significant EMSE value increase (about 27%) was obtained with alkali treatment.
Functional-Material-Based Touch Interfaces for Multidimensional Sensing for Interactive Displays: A Review
Authors: Gao Shuo 
Published: November 2019

Multidimensional sensing is a highly desired attribute for allowing human-machine interfaces (HMIs) to perceive various types of information from both users and the environment, thus enabling the advancement of various smart electronics/applications, e.g., smartphones and smart cities. Conventional multidimensional sensing is achieved through the integration of multiple discrete sensors, which introduces issues such as high energy consumption and high circuit complexity. These disadvantages have motivated the widespread use of functional materials for detecting various stimuli at low cost with low power requirements. This work presents an overview of simply structured touch interfaces for multidimensional (x-y location, force and temperature) sensing enabled by piezoelectric, piezoresistive, triboelectric, pyroelectric and thermoelectric materials. For each technology, the mechanism of operation, state-of-the-art designs, merits, and drawbacks are investigated. At the end of the article, the author discusses the challenges limiting the successful applications of functional materials in commercial touch interfaces and corresponding development trends.
THE INFLUENCE OF SPELLING BEE GAMES TO IMPROVE STUDENTS’VOCABULARY MASTERY IN USING ICD-10 CHAPTER XVIII and XXI AT APIKES IRIS PADANG
Authors: Mayasari Nila 
Published: November 2019

Vocabulary has become the key aspect in learning language and it should be introduced through an interesting way. One way to mastery it is through Spelling Bee game. In line with that Lewis and Hill (“1998) stated that student will not achieve success in learning unless they enjoy the process will influence their achievement. This study entitles The Influence Of Spelling Bee Games To Improve Students'Vocabulary Mastery In Using ICD-10 Chapter Chapter XVIII and XXI At Apikes Iris Padang discovers the effectiveness of the use of Spelling Bee in teaching vocabulary. The sample is given Spelling Bee treatment that was adopted from Stone (2010).The data of this study are obtained through a post test.the post- test is given in the form of spelling test. The data from the post test are analyzed statistically using SPSS 20 for windows. The result shows that the lowest score on the post test is 30.00 Meanwhile, the highest score is 95.00. The range of scores was 65.00. Dealing with central tendency, the averange score is 69.9231 and the midpoint fell on 75.0000. Then, the table also presents standart deviation which indicates the average variability of the scores from mean is 1.58482E. From the post –test result it can be seen student really influence by the spelling be game.
The Use of Debating Activities to Improve Student's Speaking Skill
Authors: Astati Era 
Published: November 2019

Speaking skill is one of important elements in English. The teacher can see the process of students in studying English by seeing their speaking skill. The purpose of this research is to find out whether debating activities can better improve the students’ speaking skill. This reseach was conducted at the third year students of STIKes YPAK Padang. This research used action research. The researcher collected data from test, observation and interview. It was found that the students’ speaking skill by using debating activities could better improve than before the research was conducted. The researcher found that the average score of the pre test was 48,1. The everage score in the first cycle was 51,4. So, the result score from pre test to cycle 1 was a little improvement. Then the everage score in the second cycle was 70,3. In the second cycle there was good improvement in speaking. In short, debating activities could improvement the students’ speaking skill at the third year students of STIKes YPAK Padang.
English for e-Tourism: Language, Technology, and Tourism
Authors: Maulidiyah Fitrotul 
Published: November 2019

English is the most widespread and dominant business language and it has become compulsory for people to speak English if they wish to join a global workforce.A number of research show that business communication is most often conducted i English. Due to its skyrocketing use,a tendency for designing specialized courses which focus more on specific outcomes and industries is observed, especially for English department students. By addressing specific audiences and catering for specific needs,English for Specific Purposes (ESP) is the example of this category.This paper focuses on English for e-Tourism and the teaching strategies which are implemented in order to adjust the course to students’ needs. The emphasis is taken into consideration because the relationship between technology and tourism has become delicate and challenging. Observations on this inseparable relationship assume a great importance when considering the varied world of tourism activities, where the strict dependence on technology for the efficient and effective management of information has caused a real revolution due to the diffusion of online applications. The most recent developments of the web and social networks have then further accentuated the influence of ICTs (Information and Communication Technologies) on the sector of education. Moreover, the important aspects of English for e-Tourism will be highlighted since the adoption of new technologies has reshaped the entire process of tourism service development as well as the entire tourism industry as a whole. Finally, reference will be made to the responsibilities that both teachers and students have in the ESP framework.
Demand Priority in a Power System With Wind Power Contribution Load Shedding Scheme Based
Authors: Hassan Yasser falah , Rashid Yasir ghazy , Tuamiah Firas mohammed 
Published: November 2019

The load shedding scheme has been extensively implemented as a fast solution for unbalance conditions. Therefore, it's crucial to investigate supply-demand balancing in order to protect the network from collapsing and to sustain stability as possible, however its implementation is mostly undesirable. One of the solutions to minimize the amount of load shedding is the integration renewable energy resources, such as wind power, in the electric power generation could contribute significantly to minimizing power cuts as it is ability to positively improving the stability of the electric grid. In this paper propose a method for shedding the load base on the priority demands with incorporating the wind power generated. The higher priority demands are fed with a reliable wind energy resource in order to protect them from shedding under contingency condition such as high overloading by the real time monitoring of the network accompanied with power reducing for the lower priority demands. The simulation results prove effectiveness and practicality of the applied method paving the way for possible applications in power systems.
Pancreatitis aguda en el embarazo
Authors: Coto Chaves Catalina , Gómez Hernández Cinthya , Riggioni Benavides Valeria 
Published: November 2019

La pancreatitis aguda en el embarazo tiene diferentes etiopatogenias, sin embargo su principal causa es la de origen biliar, seguida usualmente por la alcohólica y la hiperlipídica. Los factores de riesgo están asociados a su etiología, aunque la multiparidad y edad materna avanzada están vinculadas. Todas las pacientes presentan dolor agudo persistente en abdomen superior. Este puede irradiar a espalda, aliviar con flexión de torso y puede estar acompañado de fiebre y vómitos. Para diagnosticarla se usan los criterios de Atlanta y se requieren dos criterios positivos para confirmar la pancreatitis. Entre los estudios radiológicos, el Ultrasonido es utilizado principalmente para causa litiásica, otros empleados son la Tomografía axial computarizada y la Resonancia magnética. Estos además de ser diagnósticos, utilizan los criterios de Ranson, Apache y Balthazar para evaluar la severidad. Se suele tratar mediante fluidoterapia, adecuada nutrición y analgesia, algunos casos requieren antibioticoterapia o incluso cirugía para poder resolver. De no tratarse a tiempo puede generar mortalidad materno-fetal.
SIFAT FISIK DAN KANDUNGAN GIZI BUAH JAMBU HUTAN, LEMAS, DAN SIBAU DI KALIMANTAN BARAT
Authors: Tendry Tendry , Daningsih Entin , Titin Titin 
Published: November 2019

<p>Berkurangnya luas hutan akibat konversi lahan mengakibatkan buah-buahan hutan sulit ditemui, sedangkan kebanyakan gizi dari buah hutan belum diketahui. Penelitian bertujuan mengetahui sifat fisik dan kandungan gizi buah jambu hutan, lemas, dan sibau di Kalimantan Barat. Metode penelitian dalam pengamatan sifat fisik yaitu deskriptif, sedangkan uji kandungan gizi menggunakan metode eksperimen desain RAL. Pengamatan sifat fisik meliputi warna kulit hingga aroma buah. Sampel diambil dengan teknik <em>random sampling</em> kemudian diuji gizi secara kuantitatif dengan karbohidrat total hingga vitamin C. Hasil uji gizi dianalisis menggunakan SAS versi 6.12 tahun 1996 diikuti LSD α=0,05. Hasil penelitian yaitu terdapat perbedaan karakter dari setiap buah dan kandungan gizi buah jambu hutan, lemas, dan sibau yang signifikan. Kandungan air, karbohidrat total, dan vitamin C tertinggi terdapat pada buah jambu air, lemas, dan sibau secara berturut-turut. </p><strong>Kata Kunci: </strong>sifat fisik, kandungan gizi, jambu hutan, lemas, sibau.
SIFAT FISIK DAN KANDUNGAN GIZI BUAH KANCING BAJU, KETIPAN, DAN TAMANG HUTAN DI KALIMANTAN BARAT
Authors: Anindya Dinda , Daningsih Entin , Titin Titin 
Published: November 2019

<p>Kerusakan pada hutan menyebabkan keanekaragaman buah-buahan hutan menjadi langka. Penelitian dilakukan untuk mengetahui sifat fisik dan kandungan gizi pada buah kancing baju, ketipan, dan tamang hutan. Teknik pengambilan sampel yaitu <em>random sampling</em>. Penelitian pertama berbentuk deskriptif dengan mengamati sifat fisik pada buah. Karakter yang diamati adalah warna kulit muda, warna kulit matang, permukaan kulit, warna daging, warna biji, ukuran buah, bentuk buah, jumlah biji, ukuran biji, tekstur daging buah, rasa daging buah, dan aroma buah. Bentuk penelitian kedua berupa eksperimen dengan menguji kandungan gizi pada buah dengan model RAL. Hasil penelitian yaitu sifat fisik menunjukkan perbedaan pada setiap buah sedangkan hasil analisis kandungan gizi menunjukkan bahwa semua variabel yang diukur yaitu kandungan karbohidrat total, glukosa, fruktosa, sukrosa, air, lemak, protein, serat kasar, abu, dan vitamin C memiliki perbedaan yang signifikan antar buah.</p><strong>Kata Kunci: </strong>sifat<strong> </strong>fisik, kandungan gizi, kancing baju, ketipan, tamang hutan.
ANALISIS PEMANFAATAN ROSELLA SEBAGI BAHAN PENGGUMPAL TAHU
Authors: Hartanti Lucky , Lestari Oke Anandika 
Published: November 2019

<p>Ekstrak rosella berpotensi untuk dimanfaatkan sebagai bahan penggumpal alami protein kedelai sekaligus sebagai pewarna dan pengawet alami, serta meningkatkan nilai gizi tahu karena mengandung antioksidan alami. Penelitian bertujuan membuat tahu dengan menggunakan kelopak bunga rosella sebagai penggumpalnya. Ekstrak bunga rosella dengan jumlah dan konsentrasi tertentu dicampurkan dengan susu kedelai pada suhu yang berbeda yaitu pada suhu mendidih 100<sup>o</sup>C, suhu 65<sup>o</sup>C dan suhu 55<sup>o</sup>C selanjutnya diendapkan dan dipress dalam waktu tertentu. Tahu yang diperolah diukur rendemannya, protein, kadar air, kandungan vitamin c dan total asamnya. Tahu rosella yang dihasilkan memiliki rendemen yaitu pada kisaran 26,25% - 30% dari berat larutan sari kedelai. Kandungan vitamin C tertinggi terdapat pada tahu yang menggunakan suhu pencampuran terendah 55<sup>o</sup>C yaitu sebesar 30,8 mg/100 gr bahan, kadar protein tertinggi (4,2%) dan kadar air (80,65%) dimiliki oleh perlakuan pada suhu 65<sup>o</sup>C. Sedangkan total asam berada pada kisaran 0,22 - 0,38.</p><strong>Kata Kunci:</strong> penggumpal, protein, rosella, suhu, tahu.
PENGARUH INTERNAL KONTROL TERHADAP KINERJA PERUSAHAAN PADA PERUSAHAAN MANUFAKTUR PENCEGAHAN FRAUD SEBAGAI VARIABEL INTERVENING
Authors: Mahputra  
Published: November 2019

Abstrak
Angka fraud masih tergolong tinggi di Indonesia sehingga diperlukan internal control dalam pencegahan fraud. Tujuan dari penelitian ini adalah untuk menganalisis seberapa besar pengaruh internal control dalam kinerja perusahaan dalam pencegahan fraud. Pengumpulan data dilakukan dengan purposive sampling atas laporan keuangan perusahaan manufaktur yang telah terdaftar di BEI selama 5 tahun yaitu mulai yahun 2009-2013. Data diperoleh sebanyak 165 sampel dari laporan keuangan tahunan pada 35 perusahaan manufaktur perusahaan yang diperoleh dari Indonesia Capital Exchange (IDX). Data dianalisis dengan menggunakan analisis jalur (path analysis). Internal Control tidak berdampak pada kinerja perusahaan baik lansung maupun tidak langsung Pada hubungan pencegahan fraud dan kinerja perusahaan, hasil penelitian ini membuktikan bahwa pencegahanan fraud memberikan pengaruh postiif terhadap kinerja perusahaan. Dari hasil temuan penelitian ini bisa dikatakan bahwa pentingnya pencegahanan fraud dalam penyusuan laporan keuangan yang berlaku umum
Traumatic cerebrovascular injury: clinical characteristics and illustrative cases
Authors: Tunthanathip Thara , Phuenpathom Nakornchai , Sae-Heng Sakchai , Oearsakul Thakul , Sakarunchai Ittichai , Kaewborisutsakul Anukoon 
Published: November 2019

OBJECTIVETraumatic cerebrovascular injury (TCVI) is a rare and serious complication of traumatic brain injury (TBI). Various forms of TCVIs have been reported, including occlusions, arteriovenous fistulas, pseudoaneurysms, and transections. They can present at a variety of intervals after TBI and may manifest as sudden episodes, progressive symptoms, and even delayed fatal events. The purpose of this study was to analyze cases of TCVI identified at a single institution and further explore types and characteristics of these complications of TBI in order to improve recognition and treatment of these injuries.METHODSThe authors performed a retrospective review of cases of TCVI identified at their institution between 2013 and 2016. A total of 5178 patients presented with TBI during this time period, and 42 of these patients qualified for a diagnosis of TCVI and had adequate medical and imaging records for analysis. Data from their cases were analyzed, and 3 illustrative cases are presented in detail.RESULTSThe most common type of TCVI was arteriovenous fistula (86.4%), followed by pseudoaneurysm (11.9%), occlusion (2.4%), and transection (2.4%). The mortality rate of patients with TCVI was 7.1%.CONCLUSIONSThe authors describe the clinical characteristics of patients with TCVI and provide data from a series of 42 cases. It is important to recognize TCVI in order to facilitate early diagnosis and treatment.
A comparison of digital subtraction angiography and computed tomography angiography for the diagnosis of penetrating cerebrovascular injury
Authors: Ares William J. , Jankowitz Brian T. , Tonetti Daniel A. , Gross Bradley A. , Grandhi Ramesh 
Published: November 2019

OBJECTIVEPenetrating cerebrovascular injury (PCVI) is a subset of traumatic brain injury (TBI) comprising a broad spectrum of cerebrovascular pathology, including traumatic pseudoaneurysms, direct arterial injury, venous sinus stenosis or occlusion, and traumatic dural arteriovenous fistulas. These can result in immediate or delayed vascular injury and consequent neurological morbidity. Current TBI guidelines recommend cerebrovascular imaging for detection, but there is no consensus on the optimum modality. The aim of this retrospective cohort study was to compare CT angiography (CTA) and digital subtraction angiography (DSA) for the diagnosis of PCVI.METHODSThe records of all patients presenting to two level I trauma centers in the United States between January 2010 and July 2016 with penetrating head or neck trauma were reviewed. Only those who had undergone both CTA and DSA were included. Clinical and neuroimaging data were collected, and PCVIs were stratified using a modified Biffl grading scheme. DSA and CTA results were then compared.RESULTSOf 312 patients with penetrating trauma over the study period, 56 patients (91% male, mean age 32 years) with PCVI met inclusion criteria and constituted the study cohort. The mechanism of injury was a gunshot wound in 86% (48/56) of patients. Twenty-four (43%) patients had sustained an angiographically confirmed arterial or venous injury. Compared with DSA as the gold standard, CTA had a sensitivity and specificity of 72% and 63%, respectively, for identifying PCVI. CTA had a positive predictive value of 61% and negative predictive value of 70%. Seven patients (13%) required immediate endovascular treatment of PCVI; in 3 (43%) of these patients, the injury was not identified on CTA. Twenty-two patients (39%) underwent delayed DSA an average of 25 days after injury; 2 (9%) of these patients were found to harbor new pathological conditions requiring treatment.CONCLUSIONSIn this retrospective analysis of PCVI at two large trauma centers, CTA demonstrated low sensitivity, specificity, and positive and negative predictive values for the diagnosis of PCVI. These findings suggest that DSA provides better accuracy than CTA in the diagnosis of both immediate and delayed PCVI and should be considered for patients experiencing penetrating head or neck trauma.
Computed tomography findings after head injury preceding chronic subdural hematoma
Authors: Komiyama Kazuki , Tosaka Masahiko , Shimauchi-Ohtaki Hiroya , Aihara Masanori , Shimizu Tatsuya , Yoshimoto Yuhei 
Published: November 2019

OBJECTIVEHead CT is sometimes performed immediately after minor head injury; however, which cases develop into chronic subdural hematoma (CSDH) remains unclear. Here, the authors retrospectively reviewed the rare cases of CSDH treated surgically in which early head CT had been performed after the initial head trauma.METHODSA total of 172 patients (133 male and 39 female, median age 76 years) underwent surgery for CSDH at Gunma University Hospital between April 2010 and December 2017. Among these patients were 23 who had visited Gunma University Hospital or a nearby hospital and had undergone head CT within 7 days after the initial head trauma. Characteristics of the initial head CT were examined to identify indicators of subsequent CSDH.RESULTSAmong the 23 CSDH cases (17 male and 6 female, median age 80 years), CT scans were obtained on the day of the initial injury (day 0) in 19 cases (25 sides) and 1–7 days after injury in 12 cases (19 sides); scans were obtained during both periods in 8 cases (12 sides), so that a total of 44 sides were examined. These CT scans were divided into two groups according to when they were obtained; cases in which scans were taken during both periods were included in both groups. Head CT performed on the day of injury showed normal findings in 5 (20%) of 25 sides, thin subdural effusion (SDE) ≤ 6 mm in 16 (64%) of 25 sides, thick SDE > 6 mm in 3 (12%) of 25 sides, and acute subdural hematoma (ASDH) in 1 (4%) of 25 sides. CT from 1–7 days after trauma showed thick SDE in 9 (47%) of 19 sides, thin SDE in 8 (42%) of 19 sides, and ASDH in 2 (11%) of 19 sides. A high-density line in the lateral direction (onion skin–like) was found between the skull and the brain in 9 (35%) of 26 sides with SDE on initial CT 0–7 days after the injury.CONCLUSIONSASDH was not a common cause of CSDH. Head CT at the time of trauma that precedes CSDH often showed SDE. Such SDE that precedes CSDH was often close to the detection limit of CT immediately after the injury but became more apparent from the day after the injury.