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15095 articles
Research Article

Effect of angulation and Reynolds number on recirculation at the abdominal aorta-renal artery junction

Mohammed Ameenuddin, Mohan Anand
Pages: 1 - 8
We investigate the effect of renal artery angle variation and Reynolds number on the probability of formation of atherosclerosis-prone regions at the abdominal aorta-renal artery junction. The rheologically accurate shear-thinning Yeleswarapu model for blood is used to simulate flow in a 3-Dimensional...
Review Article

Central pressure should be used in clinical practice

James E. Sharman
Pages: 1 - 7
The original purpose for recording brachial blood pressure (BP) more than 100 years ago was to estimate central (aortic) BP. While high brachial BP is an important cardiovascular risk factor, it is clear that major differences in central systolic BP (SBP; e.g. >30 mmHg) can occur among people with...

Preliminary Analysis On Development Of Mathematics Learning Tools Based Competence Profession In Trigonometry Topic For Vocational High School Majoring Of Information and Communication Technologies

Armiati, Hestu Tansil La’ia
This research is a descriptive qualitative research. The purpose of this research is to analyze the learning tools of mathematics at SMK. Methods in this research are the interviews, observations, and giving a detailed questionnaire. The results of this research indicate that: (1) learning mathematics...

Legal Protection of Invention in The Field of Bioinformatics in Indonesia and Singapore

Abdul Atsar
The positive impact of globalization, the increasing progress of science and technology, such as biological science and information technology. The advancement of science and technology will give birth to creative people who can produce innovative products, such as in the field of bioinformatics so they...
Proceedings Article

The Effect of Emotional Quotient, Academic Loyalty, and Interpersonal Communication on Lecturers’ Performance of Mulawarman University Samarinda

Usfandi Haryaka
The objective of this research is to study of effect of emotional quotient, academic loyalty, and interpersonal communication on lecturers’ performance of Mulawarman University Samarinda. The data of this research were collected through the use of questionnaire filled out by 130 lecturers chosen randomly...
Proceedings Article

Numerical Simulation of Predicting Wear Sites Distributions of Inlet Impingement Plate and Shell Wall of Feedwater Heater

Xiao-Xin CHEN, Jian-Qun XU, Wei-Li JIANG
Based on the three-dimensional physical model of shell and tube heat exchanger, by means of computational fluid dynamics (CFD) software, the RANS k-Epsilon turbulent model and the Mixture model were adopted to simulate the flow properties and heat transfer in the shell side. And the reliability of the...
Proceedings Article

Room temperature ultrahigh pressure extraction in big beautiful crape myrtle leaf 2-α hydroxyursolic acid

Xia Qin, Xiao-Yan Ren, Hong Li
On the basis of single factor experiment, orthogonal test method for 2-α hydroxy for optimizing the extraction technology of ursolic acid, choose L9 (34) orthogonal experiment was carried out to 2-α hydroxy yield of ursolic acid as index, at room temperature (25 øC) under ultra-high pressure, holding...
Proceedings Article

Preliminary study on determination of reasonable ratio of spacing to diameter of double tunnels under earthquake

Yongqiang Zhou, Qian Sheng, Xianlun Leng, Xiaodong Fu, Nana Li
For determining the reasonable ratio of spacing to diameter of double tunnels, the criterion is often only for the excavation, and does not take into account the earthquake situation. In order to ensure the stability of surrounding rock masses, safety and economic rationality during construction and...

Developing Technologically Responsive Reflective Learning Model for Z Generation Learners

Endah Tri Priyatni, Siti Cholisotul Hamiah, Pidekso Adi
Z Generation is a generation born and grows up with the internet. Generation Z requires a learning model that is more than traditional learning. This study aims to develop a learning model for the Z-generation learners, which is called Technologically Responsive Reflective Learning. There are two main...

Teenagers' Knowledge and Perception about The Staple Food Diversity to Describe Daily Eating Habit

Familia Novita Simanjuntak
Daily eating habit of teenagers is usually described by knowledge and perception based on their family culture/heritage or education experience or social life. This research studies about how the knowledge and perception of teenagers describe their daily eating habit. Staple food is a group of food to...

Mind Maple Lite Software : Improve Student's Learning Outcomes And Stimulating Metacognition In Nutrition Science Subject

Aftika Andra Sagita, Luthfiyah Nurlaela, Wahono Widodo
This study aimed to determine the validity, the practicality, and the effectiveness on the development of learning tools using software of Mind Maple Lite metacognition-based on meta lesson nutrition science. This research was 4-D model from Thiagarajan by using the intact-group comparison design on...

The Existence of Schools as Professional Learning Community (PLC)

Ahmad Furqon, Aan Komariah, Djaman Satori, Asep Suryana
The main objective of this research was to depict school as professional learning community (PLC) as a way of continuous professional development (CPD). In this research, case study is used with 4 stages namely: (1) pre-field; (2) field work; (3) data analysis, and (4) evaluation and reporting. The findings...

Designing The Scientific Characteristics of Learning Model to Improve The Mastery of Concept on Nutrition Science II of Prospective Teachers of Physical and Health Education

Hartati, Herri Yusfi, Destriani
This study aims to design scientific learning model characteristics to increase student's mastery of concepts of physical education and health teacher training and education science faculty. Course semester V on Nutrition Science II. The study was conducted over 10 weeks. The Study process was recorded...

Effects of Visual Learning Geometry Kits (VLGeo-Kits) on Students’ Level of Geometrical Thinking

Faridah Hanim Yahya, Henry Kurniawan, Norin Rahayu Shamsuddin, Rosita Mat Zain
Students’ poor performance in Geometry is due to their problem in visualizing. Therefore, teaching strategy for Geometry should be embedded with visualization techniques. Visual learning Geometry Kits also known as VLGeo-Kits, is a teaching approach that consists of 3-Dimension blocks, screencast video...

The Effect of Use of E-Learning on Competency Learning Outcomes Doing Work with Lathe Machine in Mechanical Engineering Education Student UNNES

Sudiyono, Ari Dwi Nur Indriawan Musyono, Angga Septiyanto
This study aims to determine the effect of the use of E-learning on the competence of doing work using a lathe on students of Mechanical Engineering Education UNNES. The type of E-learning used is Google Classroom which is a product of Google for Education. In addition to knowing the effect on student...

Grand Design of Character Education Based on Islamic Values

Pairin, Badarwan, Syahrul
This article aims to provide a critical picture of the great design of character education in Kendari. The aspects that are explored: 1) the vision of character education based on Islamic religious values; 2) mission of character education based on Islamic religious values; 3) character education programs...

A study on the relationship between tourists' perceived attributes of tourism destination of cultural heritage and their pursuit of personal value – a case of the West Lake in Hangzhou

Jianren Shi, Ya Chen
The important reason for tourists to choose a travel experience in a cultural heritage site is to experience the cultural heritage of the destination to seek personal value. This study explores the value link mode of tourists in cultural heritage sites by means-end chain theory, constructs the graph...

Delayed Posttraumatic Tension Pneumocephalus: A Rare Case Report and Review of the Literature

Tawfiq Abdulmohsen Almezeiny, Mody Abdulrahman Almarshad
Pages: 1 - 3
Pneumocephalus (PNC) is defined as a pathological air collection inside the skull in the epidural, subdural, subarachnoid, intraventricular, or intraparenchymal compartments. The rate at which the air accumulates inside the cranium could be acute (<72 h) or delayed (≥72 h). Tension PNC (TP) occurs...

Recurse Model: Cognitive Learning on Online Purchase Decisions

Irwan Christanto Edy, Riyanto
Online purchasing decisions are online consumer behavior and are an interesting phenomenon in research. This study aims to prove the concept that online consumer purchasing decisions are influenced by cognitive learning behavior. The main theory underlying this research is consumer behavior and learning....

Tutorial Video as Learning Media in Art and Culture Extracurricular at SMA N 3 Boyolali

Aan Ardian, Adam Wahida, Edi Kurniadi
Has become quite close to students life either digital or printed. It has given them imagination and become visual language to express their ideas.Nevertheless, they seem to not do their best in creating the comic. The comic making tutorial video may be an ideal and efficient alternative media for those...

The Influence of Gibberelin and Light on the Growth of Plantlet Orchids Denrobium Taurulium J. J Smit in Vitro

Raden Budiasih, Lia Amalia, Linlin Parlinah, Reni Nurhayatini, Rida Nabila
Experiments aimed at studying the concentration of gibberellin and light against the growth of Orchid Plantlet Dendrobium taurulium J. J. Smit. This experiment was carried out at the Faculty of Agriculture Universitas Winaya Mukti, Sumedang West Java. Trial began in May and ended of August 2018. The...

Marketing Efficiency of Organic Rice in Lampung Province

Muhammad Irfan Affandi, Sri Handayani
The problems that often occur in marketing organic rice is marketing channels have not been efficient. The purpose in this research was to identify the marketing channels of organic rice and analyze marketing efficiency of organic rice in Lampung Province. The location of the study was conducted purposive...

Foreign Direct Investment as a Factor of Iron and Steel Industry Development in Russia

Oleg Bazhenov, Angelina Ilyina, Anna Oykher
The research paper defines and describes the factors and the impact of foreign direct investment (FDI) on iron and steel industry enterprises. For this purpose the following objectives have been gradually achieved: 1) Identifying FDI factors, which affect economic performance of iron and steel industry...

Cyclic Relective Model for Promoting Prospective English Teachers’ Creativity in Instructional Designing

Luh Putu Artini, Ni Nyoman Padmadewi
Educational research so far has been scattered around the efforts to optimize students’ academic achievement rather than real life literacy skills. To anticipate this, the effort for insertion of the 21st century skills has been underway. Studies found that one of the obstacles for satisfactory results...
Proceedings Article

Relationship Between Levels of Fasting Blood Glucose and HbA1C in Prediabetes Patients

Ria Amelia, Danny Luhulima
Prediabetes is a condition blood glucose levels are higher than normal but lower than diagnosis of diabetes mellitus. Parameters prediabetes according to the American Diabetes Association 2017, blood glucose levels ≥100 - <126 mg/dL in impaired fasting glucose, ≥ 12 mg/dL in impaired glucose tolerance...

Factors Influencing Career Choice in Islamic Multilevel Marketing: The Mediating Role of Company Credibility

Jhanghiz Syahrivar, Hetty Karunia Tunjungsari, Frangky Selamat, Chairy Chairy
Research in Islamic Multilevel Marketing (MLM) is relatively underrepresented, partly because such business model combined with Islamic appeal is a relatively new phenomenon and the novelty of MLM business is disputable in Islamic point of view. This research aimed to explore factors influencing the...

Batik Nitik’s Existence in the Postmodern Era

Aida Roihana Zuhro, I Ketut Sunarya, Wiga Nugraheni
The visual form of a work of art is something that receives a lot of attention in the postmodern era. As a result, many works of art continuously experience development and upgrades that are adjusted to the artists’ self-expression. Nitik Batik is the oldest Batik style in Yogyakarta which has significantly...

The Structure Evolution of China’s Urban Networks from the Perspective of Flows–Take 2007–2014 as an Example

Youyang You
China’s massive high-speed rail construction in a short time has exerted a huge impact on accessibility and connectivity of cities. As the rise of “Flow space” theory, the impact of high-speed rail construction on urban network is more noteworthy. According to 2007-2014 HSR time schedule data, this paper...

The Cyber Ethics of Academic Communication Based on Early Childhood Education Student Perception in Universitas Negeri Malang

Eny Nur Aisyah, Tomas Iriyanto, Hardika Hardika, Rosyidamayani, T. Maningtyas
This study aims to reveal the understanding and awareness of students in respecting and gaining knowledge during the e-learning process based on Cyber Ethics at the State University of Malang. Cyber Ethics-based academic communication includes (1) One-to-one communication, (2) One-to-many communications,...

Social Studies Learning Model Based on Socio-Cultural Through Blanded Learning (Study in Junior High School in the Depok West Java)

Sujarwo, Desy Safitri, Tubagus Ali Rachman
This research aims to develop Social Studies learning model based socio-cultural based on content with blended learning in junior high schools in the city of Depok West Java using the research and development method by taking three main steps, namely preliminary studies, planning and preparation of models...

The Analysis of Presuposition on the Conversation of Acehnese and Javanese Ethnic in Gampong Geudubang Jawa, Langsa City

Desy Irafadillah Effendi, Ramdan Afrian, Ayu Suciani
This study aims to describe the dominant presupposition found in the Acehnese and Javanese tribes in Geudubang Jawa Village, Langsa City. This study used a qualitative research approach producing written descriptive data. Data in this study are drawn from conversations of the Acehnese and Javanese tribes...

Investors’ Perspectives on the Financial and Non-Financial Reports

Cacik Rut Damayanti, Adha Prayoga
Reporting both financial and non-financial reports is believed as a positive way to attract investors because investor decisions do not only depend on financial information factors in making their investment decisions. Many non-financial factors might increase firm value, such as disclosure of enterprise...

Differences in Creative Thinking Ability in Fractional Material Between Contextual Learning Based on Learning Styles and Direct Learning in Grade 5th Elementary

Rospita Silaban, Bornok Sinaga, Ramlan Silaban
The purpose of this study was to determine: (1) Is the ability of students to think creatively in the application of a learning style-based contextual learning model higher than direct learning, (2) How is the student’s activity during contextual learning based on learning styles (3) What is the level...

An Analysis of Students’ Speaking Ability in Speech at English Department of UMN Al-Washliyah Medan

Yulinda Oktaviana Harahap, Yenni Rozimela
Speaking is one of the important part in language skill that students should have in order to be able to communicate in English. Speech is one of ways for students to practice their English speaking and build their self confidence, share ideas, and express themselve to audience. The descriptive research...

The Periodic μ-b-Equation and Euler Equations on the Circle

Martin Kohlmann
Pages: 1 - 8
In this paper, we study the μ-variant of the periodic b-equation and show that this equation can be realized as a metric Euler equation on the Lie group Diff∞(𝕊) if and only if b = 2 (for which it becomes the μ-Camassa–Holm equation). In this case, the inertia operator generating the metric on Diff∞(𝕊)...
Proceedings Article

A Contribution of Leg Muscle Explosion Power and Flexibility to Football Shooting Accuracy

S Afrizal, Vega Soniawan
The construction of the physical condition of the construction as the dominant factor toward success in reaching the achievements of the summit. This research at the contribution of an explosive limb muscle and flexibility against the accuracy shooting soccer athletes PS UNP. The sample in this study...

Art Learning Using Collage Techniques in Inclusive Education Program

Dian Kencana
This article is based on the results of a literature study on review of fine art learning using collage techniques in inclusive education program. This article is aimed to answer three problems, namely the definiton, elements and uses of fine art using collage techniques in inclusive education program....
Proceedings Article

Policy Analysis and Development Strategy of Cocoa Agribusiness in Lebak District, Banten

Andjar Astuti, Ratna Mega sari
More than 70 percent of cocoa plantation in Banten Province is smallholder farming. Most of them are located in Lebak district. The aims of this study is to analyze and formulate the best development strategy of cocoa agribusiness in Lebak District, Banten Province. Data used is primary and secondary...

The Impact of the Covid-19 Pandemic on Work Stress of Employees

Hardani Widhiastuti, Gusti Yuliasih, Yudi Kurniawan
This study aims to determine the extent to which employees experience Work Stress, coupled with the Covid-19 Pandemic that is hitting Indonesia. To find out and control the employee’s Work Stress, use an online workshop on Stress Management caused by the Covid-19 Pandemic. The research method used in...

Intent and Meaning of Information About Corona Virus on Social Media: Forensic Linguistic Study in the Case of Spreading Hoax

Krisanjaya, Erfi Firmansyah, Aulia Rahmawati
This research aims to apply semantic theory in analyzing the intent and meaning of information about the Corona Novel Virus or COVID-19 on social media in the case of spreading fake news or hoax. Predicative verbs that are studied include: 1) structure/construction of verbs in social media, 2) behavior...

A Comparison of the Effectiveness of Two Stay-Two Stray and Pair Checks Cooperative Learning Models Towards Primary School Mathematics Learning Outcomes

I Nyoman Laba Jayanta, Gusti Ngurah Sastra Agustika
This research is an experimental study that aims to compare the effectiveness of the Two Stay-Two Stray and Pair Checks cooperative learning models on Mathematics learning outcomes. This study uses a quasi-experimental approach with a non-equivalent control group design. This design uses 3 groups, each...

Snack Bar Catfish Bone Meal and Red Bean Flour For Malnourished Children: Nutritional Content and Sensory Properties

Yuli Hartati, M. Ridhoi
Lack of Protein Energy is a nutritional problem that occurs throughout the world, especially in developing countries including Indonesia. One of strategy to overcome the problem of Lack of Protein Energy is to provide foods that are high in energy and high in protein such as snack bars. Food ingredients...

The Effect of Learning Methods and Learning Interests on Music Playing Skill Ensembles in State Junior High School 6 Academic Year 2019–2020

Tommy Supermard, Harun Sitompul, Muhammad Badiran
This study aims to determine: (1) the effect of ensemble music playing skills taught by drill and demonstration methods on music playing skills, (2) the effect of ensemble music playing skills who have high learning interest with ensemble music playing skills who have low learning interest, 3) the interaction...

The Effect of Learning Leadership and Academic Supervision on Teacher Teaching Skills in the Covid-19 Pandemic

Bahtiar Agung Pambudi, Imam Gunawan
The principal has a number of very heavy roles and tasks that fall under his responsibility as a manager, educator, administrator, supervisor, motivator, innovator, an entrepreneurial developer and a leader. This study aims to determine: (1) level of learning leadership, academic supervision, and teaching...

Nurowski’s Conformal Class of a Maximally Symmetric (2,3,5)-Distribution and its Ricci-flat Representatives

Matthew Randall
Pages: 1 - 13
We show that the solutions to the second-order differential equation associated to the generalised Chazy equation with parameters k = 2 and k = 3 naturally show up in the conformal rescaling that takes a representative metric in Nurowski’s conformal class associated to a maximally symmetric (2,3,5)-distribution...

The Effect of Company Size and Capital Structure on Company Value

Gede Putu Agus Jana Susila, Komang Krisna Heryanda, Komang Endrawan Sumadi Putra
This study aimed to examine the effect of company size and capital structure on company value. The research design used quantitative causal. The subject of this research was the transportation sub-sector company listed on the Indonesia Stock Exchange and the objects of this research were company size,...

Development of Cell Cognitive Diagnostic Assessment Instrument: Small Group Review

Safira Permata Dewi, Ermayanti, Lucia Maria Santoso
This study aims to obtain an overview of the cell cognitive diagnostic assessment (CCDA) instrument that has been developed from a small group testing point of view. There are 20 multiple choice questions that have been developed with five alternative answer choices. These questions consist of four topics,...

A hierarchy of long wave-short wave type equations: quasi-periodic behavior of solutions and their representation

Xianguo Geng, Yunyun Zhai, Bo Xue, Jiao Wei
Pages: 1 - 23
Based on the Lenard recursion relation and the zero-curvature equation, we derive a hierarchy of long wave-short wave type equations associated with the 3 × 3 matrix spectral problem with three potentials. Resorting to the characteristic polynomial of the Lax matrix, a trigonal curve is defined, on which...
Proceedings Article

Effect of the Natural Cat and Dog Liquid Additives on 3% Salt Fed Rats

Elif Rabia Sanli, Musa Yavuz, Zafer Özyıldız, Veli Uygur
Salt poisoning could be important for the pets’ life. High salt and low water consumptions can be effective in the formation of salt poisoning. Low levels of salt poisoning increase blood pressure which reduces the quality of life. Plant-origin cat and dog liquid additives are previously used and improve...

Predicting the Results of the 2019 Indonesian Presidential Election with Google Trends

Analysis of Accuracy, Precision, and Its Opportunity

Ali Ar Harkan, Eriyanto
In electoral competitions, voter behavior research is conducted to develop effective campaign strategies, but survey methods tend to be expensive. By contrast, in the internet era where political campaigns evolve by using digital data and channels, Google Trends offers free services that display search...