2019 · Article · Open Access
Seasonal vegetable plants are one of food commodity in Indonesia which contributed significantly in supporting the growth of national economy. Fuzzy Logic using Tahani Model is appropriate to analyze the harvested area, production, and yields of food commodity. It is based on query in fuzzy database. It is also can be proposed as recommendation for both government and entrepreneur in achieving in the target based on query. Target is main priority of food commodity. Fuzzy query is harvested area (medium), production (sufficient), and yield (normal). Non fuzzy query is commodity (export commodities), harvest (plants harvested several times), and form of product (fresh fruit). Result showed that eggplant (0.6587), tomato (0.6023), cucumber (0.5865), capsicum frutescens (0.2901), and capsicum annum (0.1581) as recommendation for priority of national food policy.
2019 · Article · Open Access
<p>The research about “The isolation and selection of fungi from matter and organic fertilizer product Jembara Bali’s origin that have the capability to dissolve the phosphate as Bio-fertilizer agent” have been done on February to June 2010, in The Indonesian Science an Research Institution (LIPI) Bogor. This research aimed to isolate the phosphate solvent fungi from the organic fertilizer product, to identify the kinds of fungi as the Bio-Fertilizer agent, to trial the phosphate dissolve in Laboratorial standard, and then to produce the biofertilizer product. The isolation results of the compos experiment (T1.1 and T1.3) and from the factory compos experiment (T2.1 and T2,2) are identified as Aspergillus sp. The sample of compost experiment (T1.2) is identified as Penicillium sp. Whereas, from the sample of an irrigated land (T3.1) is identified as Mycelliasterillia sp. The result of the test in laboratorial scale is resulted the best capability in dissolve the phosphate is Aspergillussp by T2.2 code. This is viewed by the halo zone diameter shaped is bigger than the others fungi’s kind, it is around 4,2 cm. The enzyme PME-aseacitivities have been tested in each fungi’s species such as : T2.2 (Aspergillus sp), T1.2 (Penicilliumsp), and T3.1 (Mycelliasterillia). The Aspergillus spfungi have the enzyme PME-ase activity is biggest, it is around 1,51 unite/gram. In short, the Aspergillus sp is used as the Bio-fertilizer agent.<strong></strong></p>
2019 · Article · Open Access
<pre>Analysis Of Radiation In The Operating Room From C-Arm Radiation By Thermoluminiscence Dose (TLD).Measurement of C-arm radiation exposure in the surgery room is very important to know the amount of radiation scattered, so that we can ascertain the amount of radiation received by the doctor, nurse or radiology operator in the room. C-armRadiation dose was meansured in the surgery room at Awal Bross Hospital, Bekasi, by using Thermoluminenscence Dosimeters. Radiation dose in the operation room was meansured at 12 points in the room and 1 point at the center of the room. From this study, the highest radiation dose is at the center of the room, 1,021 mSv. The maximum radiation dose at 1 meter from the center is 0,047 mSv and the minimum dose is 0,013 mSv. The maximum dose at 2 metrs from the center of the room is 0,039 mSv and the minimum dose is 0,028 mSv. This all result is still in dose limit value for one examination.</pre>
2019 · Article · Open Access
<p>Along with progress in improving communication and information, more people who gather as much information as possible through various media had. But not everyone is able to manage information to good use at the appropriate time efficiently and effectively. Because it has a lot of information alone is not sufficient if it can not manage to become the best alternative using the simulation system model of scheduling customers in a bank queue. With the design of simulation models the scheduling queue is expected to provide customers get into the parties will try to develop a simulation, so it can be seen every error that occurs during the development of models and simulations. The design of this system using excel simulation tests, with the implementation of systems using Microsoft Access 2003 database system and program visual basic 6.0. From system design are made to dipe.</p>
2019 · Article · Open Access
<p>This study aims to provide general information about the survival and fecundity of Aedes aegypti in suboptimal habitats based on relevant research articles collected from 26 journal sources. A combination of three to five keywords was used to obtain the data. This journal is obtained from four electronic data bases, namely PubMed, Medline, Scopus and Google Schoolar, which were collected during 2017. The data were obtained by identifying, screening, matching the criteria that were intended (eligibility) and reviewing those articles. There were 83 journals identified and 56 journals reviewed. In addition, there were two local journals and 52 international ones. Journal review results show that larvae are able to live and complete their development into adulthood in suboptimal habitats. Stagnant sewer water that is clear and septic tanks are suboptimal larval habitats. Phosphorus is a major limiting factor in the presence of larvae in suboptimal habitats. Thus, manipulating the phosphorus content in ditches and septic tanks is one of the vector control strategies.</p>
2019 · Article · Open Access
<p>Teaching materials have been prepared using the concept of Ethnomatematics Sunda who believe that mathematics is a product of a culture. Supremum and Infrimum is part of mathematics that we can serve to connect the values of philosophy of Sundanese culture as a giver of value in understanding the concept of real analysis. Learning will be more memorable for studying mathematics at once understand the cultural aspects.</p>
2019 · Article · Open Access
<p class="Default">Nowadays, there are many foods that contain harmful substances in the community. Among them are fried foods that contain plastic. Similar cases were also found in the campus area in city of Padang. Based on preliminary observations it was found that some fried foods sold in one campus area in the city of Padang were indicated to contain plastic. This study therefore aims to determine whether fried foods sold in the city of Padang contained plastic, what the physical characteristics of fried foods that contain plastic were, and what plastic content contained in the cooking oil. This type of research was descriptive qualitative. Sampling in this study was conducted by purposive sampling in 16 locations around the campus area in the city of Padang. The data of the research data were obtained from physical and chemical sample identifications. Physical identification included data on shape, color, fragility, and fuel test. Physically indicated samples containing plastic then analyzed chemically with GC-MS. The results of the study showed that the physical characteristics of fried foods that contain plastic were black clots when observed with a microscope, there are white patches on the surface of the fried, brittle for hours, and if it was burned, it burnt and produced melt. The results of the chemical analysis showed that from 16 sampling points 11 samples (68.75%) positive contained plastic. The type of plastic compound found was from PVC (Polyvinyl chloride).</p>
2019 · Article · Open Access
<p class="Abstract">Long term period of using fertilizers is not beneficial for soil fertility due to decreasing soil organic matter content. Otherwise, the source of organic matter widely available as waste in the environment are not used optimally because the naturally decomposition quite long time. This problem can be overcome by utilizing various types of microbes, such as Trichoderma. This research conducted to determine the effect of organic fertilizer from the decomposition result of <em>T. harzianum</em> in enhancing growth of spinach plant. This study used a completely randomized design (CRD) with 6 treatments and 4 replications. The treatments were doses variation of decomposition of organic material; 0 g, 15 g, 30 g, 45 g, 60 g and 75 g. Data were analyzed with ANOVA and continued with Duncan New Multiple Range Test (DNMRT). The results showed that the application doses of organic fertilizer from decomposition result influences height, number of leaves, leaf area, fresh weight and dry weight of spinach plants. Optimal dose for all growth is 45 grams/polybag.</p>
2019 · Article · Open Access
<p class="Default">A baseline river flow estimation has been conducted in the area of Duncok and Ngrejok Wetan Gunung Kidul, using VLF-EM and VLF-EM-VGRAD methods to find out VLF response of tilt angle mode. Interpretation is done from VLF and VLF-EM-VGRAD data of tilt angle and ellipticity to estimate underground stream that is interpreted qualitatively and quantitatively. Measurements were made on July 22-26, 2014. The data were processed by using uses MATLAB R2014a computational language. This qualitative interpretation is done by processing data filtered by Moving Average through Karous-Hajelt filter and Fraser filter so as to show the anomaly of underground conductive object. Of the two methods used, the most effective method is with VLF EM, it can be seen from the result of the Karous Hjelt filter shows the contrast resistivity in VLF EM compared to VLF-EM-Vgrad</p>
2019 · Article · Open Access
<p>Price, consumption, and production influence global food estimation. Food consumption and food production needs improving affordability, government policy and expert proposition in decision making. Expert have developed a scenario combining direct weather impact on key grain producing regions, indirect impact through crop pathogens, consequences for markets, and stock of global food. Global food production tended to increase, meanwhile consumption under production. In Indonesia, production is under consumption. It is anomaly by global situation and world condition. Government policy is tariff, export, and import. Export food influenced by price food commodity is not stable, meanwhile food import tended to increase because by national food consumption increasing demand. Government policy and expert proposition to modern society, need Expert System is increasing rapidly. In Artificial Intelligence, Expert System is a computer system that emulates the decision making ability of a human expert. There are two reasoning strategies in Expert System: Forward Chaining and Backward Chaining. The aim of this paper is to identify which reasoning strategy system (Forward Chaining). This paper focus on the concept of knowledge representation in Artificial Intelligence and implementing of Forward Chaining on Food Affordability. Food Affordability used to planning of food in the future. Finally, Inference using Forward Chaining on Food Affordability, the result it is good and can be used to planning and policy on national food.</p>
2019 · Article · Open Access
<p>Hypertension is a condition in which a person experiences an increase in blood pressure above normal resulting in increased morbidity and mortality / mortality. Star fruit and dragon fruit can also be used to overcome hypertension. Fruit starfruit and dragon fruit has a lot of antioxidant substances such as vitamin C, Flavonoid and niacin and magnesium that can flex or relax the arterial blood vessels. In addition, star fruit and dragon fruit also have diuretic calcium contents atua peluruh urine so increase the intake of minerals that play a role in lowering high blood pressure. The purpose of this research is to know the effect of juice of star fruit (Averrhoa Carambola) and dragon fruit (hylocereus undatus) to blood pressure in hypertension patient in Internal Room of RSUD Padang Panjang Year 2017.The study was conducted for 6 days with 1 day feeding. The research design used Quasi-Ekperiment using One group pre-post test design on 15 respondents with hypertension. The statistical test obtained p value of systolic blood pressure = 0.000 and p value of diastolic blood pressure = 0.001 then ha accepted, meaning there is influence of star fruit juice and dragon fruit to blood pressure patient room internal hospital RSUD Padang Panjang.Based on the results of this study, researchers suggested that starfruit and dragon juice can be used as an independent intervention, especially for people with hypertension.</p>
2019 · Article · Open Access
<p>Research has been conducted to analyze the conten of the heavy metal content of lead (Pb) in red pepper (Capsicum Annuum L) circulating in Batusangkar market. Samples of five red peppers were taken from different places in Batusangkar market. The sample was dissolved by using a mixture of sulfuric acid and nitric acid. Furthermore, lead was measured by using atomic absorption spectrophotometry (SSA) at a wavelength of 283.3 nm. The results of the analysis showed that the lowest lead level of 0.2386 mg / kg and the highest lead level of 0.73642 mg / kg. From the five samples, it was found that there was one sample whose lead level exceeded the maximum limit set by National Standardization Council of 2009 about maximum limit of heavy metal contamination in food that is 0,5 mg / kg for lead, whereas for 4 other sample the value of lead level is less from 0.5 mg / kg. In addition, from the five samples, one sample did not meet the safe criteria and the other four samples meet the criteria.</p>
2019 · Article · Open Access
<p><em><em>This study aims to determine the effect of the use of guided inquiry learning modules on critical thinking skills of students and comparing critical thinking skills of students taught through guided inquiry learning modules and conventional learning models. This is an experimental research. The data of the research were obtained through a test, and observatio . The normality, homogeneity, and the difference between the two sets of data were computed using the SPSS 16.0 For Windows program. Questionnaire result data for each student is given a score according to a scale. Then, the average score per statement and the average total score were found out. The results showed that the guided inquiry learning module and conventional learning could significantly improve students' critical thinking skills and the improvement of critical thinking skills with the treatment of guided inquiry learning models was significantly better than conventional learning. And the results of students’ activity in the experiment class are better than that in the control class.</em></em></p><em></em>
2019 · Article · Open Access
<em>The research discusses about the design of electronic module assembly and installating computer. The module was designed for assembling and installating computer content displayed in digital way, so this modul is very flexible and easy to be used. The content was displayed by video to make it easier to understand by the learners. The method used consists of several phases; analysis, design, coding and testing. The design used UML process and then was developed by Kvisoft Flip book maker. The result of this research shows how the assembly and installation module was easier to be used for the teacher and the students.</em>
2019 · Article · Open Access
<em>Based on the preliminary studies at SMAN 1 Koto XI Tarusan, it was found that the lack of interest and motivation caused the students less active in the learning process. In addition, the teacher’s teaching model and media were not appropriate, especially within human circulatory system material that made the student learning outcomes still under the Minimum Completion Criteria (KKM). This study aims at figuring out the effectiveness of Discovery Learning Model Plus Pictures on students’ cognitives at class XI students of SMAN 1 Koto XI Tarusan.This is an experimental research with the population class XI 2017/2018 academic year. The sampling method uses purposive sampling; class XI IPA1 as experimental class, and class XI IPA3 as control class. The instrument used in cognitive assessment is the final test with multuple choices. Based on the results of the study, the cognitive results of the experimental class were 81.05 and the control class was 77.39. From this study, it can be concluded that the application of the Discovery Learning learning model plus images influences the cognitive of class XI students of SMAN 1 Koto XI Tarusan</em>
2019 · Article · Open Access
<p><em>This article contains a study about the use of crossword media in improving the language skills of elementary school students as an effort to create a fun class. The problem was students’ lack of eagerness to emotionally involve in learning process. This condition caused an impact on students’ unsatisfaying learning outcomes that is 80. To overcome this problem, crossword puzzle media are used in learning by referring to the research models of Kemmis and Taggart. The data were collected by using observation sheets, interview guidelines, questionnaires, tests of student learning outcomes and field observations. At the end of the study, it was found that both the students’ learning outcomes and activities, and the teacher performance in planning and implementing teaching increased from cycle I to cycle II. As the result, the learning exceeded the target of the minimum standard of completeness. Thus, the utilization of crossword puzzles is considered to able to improve students' language skills, as well as create fun classes</em><br /><em></em></p>
2019 · Article · Open Access
<em>This study focuses on the strengthening research culture through research-based learning in universities. This is a library research whose data source from reference books, scientific journals, proceedings, magazines, legislation and similar research results accessed through libraries and open journal systems. The data collection is conducted by compiling data in accordance with sub-problems which are then systematically organized. Data analysis is done by content analysis techniques to obtain theories or concepts and research results that are able to answer research problems. The results of this study indicate; 1) research is an important approach to improving the quality of learning, 2) to strengthen the culture of research at least there are four integrated focuses; (a) learning the latest research in lectures, (b) teaching research techniques or methods in each lecture taught by lecturers, (c) learning involving students to conduct research, and (d) discussion, debate or brainstorming to criticize research. 3) the benefits of PBR for students are; (a) students become usual in doing thesis because they are familiar with how to research, (b) trained to think, analyze, express and defend ideas, (c) trained to work in a planned manner, (d) trained to work hard, and (e) trained work in teams, connect with other people and collaborate.</em>
2019 · Article · Open Access
<em>Learning Public Speaking does not only include good speaking English but also gives attractive performance. However, this is not easy due to the fearness and anxiety with various symptoms such as a rapid heartbeat, wet palms, or vibrating sounds. In order to minimize the obstacles, Project Based Learning (PBL) is designed. The students are assigned to be public speakesr sharing the information about agency programs to public. The project was eventually documented in the form of videos. To find out the success of the learning, a qualitative descriptive study was conducted on the video project. The subject of the research was a female student whose public speaking videos were analyzed. The sample was selected purposively because women have greater public speaking anxiety than men do. As the result, at first, the students did not have problems in making the text (content) to be presented, but it was problematic in the delivery. The first video shows public speaking fear that has not been resolved so that delivery occurs at a low level. Secondly, while in the second video it shows self confidence resulting a high delivery capability. It can be concluded that having one real experience as a public speaker makes the student able to overcome public speaking fear or anxiety.</em>
2019 · Article · Open Access
<em>The main issue discussed in this article is the students’ low interest in reading textbooks. In addition, students do not use various techniques. As a result, they feel bored, and less concentrated when reading. The theory used in this research is the reading theory proposed by Tarigan (2008), reading comprehension techniques by Agustina (2008) and SQ3R reading techniques by Ermanto (2008) and Agustina (2008). This type of research is quantitative research using experimental method with SQ3R reading techniques. The population of this study were Indonesian Language and Literature Education students of FKIP Bung Hatta University who took the Reading Teaching Skills course. The sample was elected purposively. Based on data analysis, it was found that students did not apply the SQ3R reading technique well in determining the theme, plot, background, characterization, point of view and mandate, with an average value of 80.5. Thus, it can be concluded that there is a significant effect of the use of SQ3R reading techniques towards students’ reading comprehension at FKIP of Bung Hatta University Padang.</em>
2019 · Article · Open Access
<p><em>Islamic law is a law originating from and being part of the Islamic religion. Caliph Umar can be said to be the pioneer of legislation in an Islamic state. He has created a new paradigm in Islamic history. The development of Islam during the Caliph Umar to expand the Islamic region had a brilliant result. With the expansion of the Islamic region, the need for community education and fostering activities also increased. It was caused by people who had just converted to Islam in various conquered areas clearly needed guidance in the practice of Islamic application. Therefore, Islamic law had also undergone development from the previous period. The source of Islamic law in the era of Umar apart from the Qur'an and Sunnah was also carried out by Ijtihad. The method in this study was a library research, by collecting, reading, and studying books that have something to do with this discussion. At first glance Umar's decisions or Ijtihad seemed to contradict the provisions of the Qur'an, but if it was examined the nature of the verses in the framework of the overall purpose of Islamic law, the ijtihad carried out by Umar Ibn Khattab did not contradict with the meaning of the verses of the law.</em></p>
