bluuebunny/crossref_metadata_2025_split huggingface dataset:
System for supporting and fixing body segment for nukawa lower limb rehabilitation device
Authors: Páramo-Velásquez C A , Pérez-Areiza V Z , Betancur-Betancur M J , Valencia-Legarda F 
Published: December 2019

Abstract
The objective of this study was the design of a system of supports and fixations for the Nukawa, an exoskeletal system of lower limb rehabilitation controlled through robotics and surface electromyography. The supporting system was developed emphasizing lumbar support, hand support, and fixation mode, grip, and suspension, in order to generate ideal ergonomic conditions for the use of Nukawa by the average population. In this context, this work developed a design proposal linking the exoskeleton with a modular orthosis type system, based on the study of body shapes and segments (cineanthropometry). The elaboration of the parts and the functional verification of the prototype considered design requirements of the Nukawa and recommendations from medical staff. Design stages also involved the specifications of the additive manufacturing, and the analysis through finite element software. The generated prototype is an intuitive system, where all the components interact to execute the rehabilitation process, with the least possible risk for the patient.
Variation of the rutile and anatase phase using a high energy planetary mill in a carbon dioxide atmosphere
Authors: Jaimes-Ochoa C J , Quintero-Orozco J H , Ospina-Ospina R 
Published: December 2019

Abstract
Nowadays, the ball milling technique has become one of the most important owing to its ease of getting the combination of different materials in a short time thus obtaining nanostructures of different types. In the present work, the temporal evolution of the phase change of titanium dioxide from anatase to rutile is shown through the ball milling technique. The milling time was varied from 1 to 9 hours at a carbon dioxide atmosphere controlled at a pressure of 34.47 KPa and a ratio of 1:10 (gram of material: gram of balls). The results were analyzed through X-ray photoelectronic spectroscopy. A change from anatase to rutile of the titanium dioxide structure is shown for each range of the milling time. In the same way, through scanning electron microscopy, a 90% reduction in the initial size was shown, thus, getting nanostructures of approximately 20 nm.
Utilization of Tofu Dregs as Goat Fodder and Utilization of Nano Particles for Skin Care Products
Authors: Lestari Wahyu , Fazlia Inda Rahmayani Ratu , Evalina Adhisyahfitri , Saputra Mulia 
Published: December 2019

Abstract
The purpose of this community service is to improve the welfare and income of partners through the use of tofu dregs into animal fodder. Then, it will correlate to the quality of milk which produced by the goat. Finally, this goat’s milk will be processed through nanoparticles become a moisturizer for skin care. The location of community service is dedicated for small businesses in Lamnyong Village, Kuala Syiah sub-district, Banda Aceh. In this activity, a method was introduced tofu dregs could be used as quality food for goats which effects on goat milk were highly nutritious. In addition, nanoparticle processes will be introduced on the process of goat’s milk which can be a moisturizer for skin care. This will be a new product that can be mass produced and marketed by partners and continuous promotion, thus increasing consumer interest in buying, which will increase partner income. The result of this service is the addition of new fodders resulting in better quality milk products, this is evidenced from laboratory results and other results is the creation of a skin care product that functions as a skin moisturizer. Finally, this product can be used to soften the skin and protect the skin from the sun.
Regression Tree Role for Interpret Monetizing of Game Live Streaming
Authors: Windia Ambarsari Erlin , Avrizal Reza , Doni Sirait Erlando , Dwiasnati Saruni , Rahim Robbi 
Published: December 2019

Abstract
Game Live Streaming is streamers activity who play games with a purpose to monetizing. The running game recorded into a streaming statistic. Therefore, streamers can monitor it. The company of Game Live Streaming evaluated whether they are eligible for compensation to make it easier to interpret monetizing, a decision tree is needed. However, the dataset obtained from statistical streaming is numeral; the calculation uses Standard Deviation Reduction for construct Regression Tree which the concept is similar to ID3 Algorithm. The Regression stop constructs Tree when the CV is zero, or the number of instances is the least. Also, the mean reached dataset homogeneously.
Morphological Analysis of Siak Sri Indrapura City in 2005-2018
Authors: Asteriani Febby , Jannah Hanifatul , Nugraha Idham , Cahyaningsih Catur , Hafizhah Tanjung Mira 
Published: December 2019

Abstract
Siak Sri Indrapura City is the one of a quite fast city in developing; it has increasingly seen since Tengku Agung Sultanah Latifah Bridge in 2007 which is the link between two areas that glide by the river for perfect accessibility. This study aims to examine the morphology Siak Sri Indrapura City in 2005-2018. The method of this study to use descriptive qualitative and quantitative analysis with GIS (Geographic Information System), which is analyzing and explaining phenomena in depth through in-depth data collection. The results of this study are known that the City of Siak Sri Indrapura experienced changed in land cover, land use, road and changed in building patterns and functions each year. The increase of the not built area is 15589 Ha or 83.45%, changed from the not built area into the built area is 2052 Ha or 10.99% and increase of land built area is 1039 Ha or 5.56%. The most dominant changed in land use in Siak Sri Indrapura City was increased of plantations, changed of plantations into settlements and increased of settlements. Road pattern is grid building pattern is heterogeneous and linear, a function of buildings dominated by residential buildings.
Outliers Detection on Fisheries Commodity Transaction from Local Market in Tual City based on The x-means Clustering
Authors: Kahfi Hamid Syahibul , Anselmus Teniwut Wellem , Mario Kabi Teniwut Roberto , Renhoran Maimuna 
Published: December 2019

Abstract
Correctly estimating factors that affect the income and profitability of coastal communities specifically catching fishermen is one way to increase the level of sustainable coastal community welfare. The purpose of this study is to detect outliers from fisheries commodity transactions in the fish market in Tual City, to have full view on which cases that may have certain traits that can improve the profitability of fishermen in the region. The research method used in this study is a survey method in which used as many as 1420 datasets obtained from interviews conducted starting from June 2017 to June 2018. The data mining approach is used in this study, in order to obtain the appropriate outliers then x-means clustering is used to cluster profitable transaction data, then data collected further being process with outlier detection. We found 25 high profitability transactions of 1420 datasets. The outlier analysis was carried out and found 1 outliers. We have figured that the species of fish and the location of the seller are the factors that influence the level of profit from the fishermen. This result is an input for policy makers and catch fishermen in conducting capture fisheries.
Problem based learning: a way to improve critical thinking ability of elementary school students on science learning
Authors: Zuryanty  , Kenedi A K , Chandra R , Hamimah  , Fitria Y 
Published: December 2019

Abstract
The background of this research is to find information on learning models that can improve the thinking skills of elementary school students in science learning. The purpose of this study was to determine the effectiveness of the problem-based learning model to enhance the critical thinking skills of elementary school students in science learning. This study was a true experimental design with a type of post-test group. The results showed that the problem-based learning model could improve the critical thinking skills of elementary school students in science learning. This study implies that elementary school teachers can use a problem-based learning model in enhancing students’ critical thinking skills in science learning in elementary schools.
Technology Development of Salt Products Using Geomembrane Thread Filter Technology in Kajhu Village Baitussalam, Aceh Besar
Authors: Lestari Wahyu , Fazlia Inda Rahmayani Ratu , Evalina Adhisyahfitri , Saputra Mulia , Irma Suryani Ade 
Published: December 2019

Abstract
The purpose of this community service is to increase sales turnover and expand the thread filter technology technique. The method of implementing the service activities in this program aims to improve the welfare of the people who work as salt farmers who previously processed salt using traditional techniques. Therefore, this service activity desires to develop and apply the latest technology, namely Thread Filter and/or Geomembrane (plastic), to provide solutions to salt farmers in developing their business in an easier and more modern way which increases the quantity and quality of the salt produced. Besides, through this service salt farmers are also trained on how to process salt into nanoparticles, as a good product for skin care. Thus, the salt production process will be easier and faster and the benefits obtained by salt farmers will be higher. In this service activity, it will focus on traditional salt farmers to be able to switch and apply the technology of thread filter (TUF) or Geomembrane (plastic) as a process of making salt easily and competently for the community. The results showed that using Thread Filter Technology (TUF) was able to produce results of four to five tons after using geomembrane. Previously without using TUF farmers from the village were only able to produce three tons of salt. The prospect of salt farm business is profitable when applied the techniques of TUF or geomembrane. Finally, the salt farmers can earn income significantly.
Analyse Characteristics Physical Properties of Rock Manifestations Geothermal Semurup District of Kerinci Jambi With Hight Temperature
Authors: Susanti Nova , Nixolas Larlen , Aryanto Didik , Failosofah  
Published: December 2019

Abstract
There were some changes of mineral components, internal structure and moisture content of the rocks constituent after the thermal annealing treatment was given at 400, 500, 600 °C. Physical of testing rocks like; density, porosity, specific gravity, Absorption have a relationship with temperature. The test results showed that the average density decreased 0.7 g/cm3, porosity increased 26%, Density unchanged and Absortion increased 35%. The test of rock minerals components X-Ray Fluorescence (XRF).
The Effect of Laboratory Based Learning in Developing Physics Teacher Candidates’ Skills on Applying Measurement Instruments
Authors: Wilujeng Indrawati , Hasyim Faiz , Permatasari Indhah 
Published: December 2019

Abstract
Laboratory based learning is one kind of blended learning that combines the aspects of knowledge, skills, and attitudes. Simultaneously, students can apply the knowledge they have possessed, practice the skills, as well as growing their scientific attitude. Laboratory based learning method has been conducted for studying about measurement instruments, up to measurement data processing. This research aims to determine the effect of laboratory based learning in developing physics teacher candidates’ skills on applying measurement instruments. The design of this research is qualitative in nature involving one class of undergraduate students of Physics Teacher Education Department at STKIP Al Hikmah, which is consist of six students, as the research subjects. Data collecting is obtained through interview result with physics teacher candidates and their laboratory report. Subjects showed higher improvement skills in using measurement instruments through laboratory based learning. Physics teacher candidates have a deeper understanding about measurement instruments that includes using measurement instruments, taking and analysis data, estimating measurement errors, and communicating the result both in written and oral. Laboratory based learning also improves concepts understanding (knowledge aspects) and students’ scientific attitudes.
Kampung versus Climate Change: The Dynamics of Community Empowerment through the Climate Village Program (ProKlim)
Authors: Faedlulloh Dodi , Prasetyanti Retnayu , Irawan Bambang 
Published: December 2019

Abstract
This paper aimed to contribute in explaining the implementation of community empowerment through the Climate Village Program (ProKlim) in Jati Village, East Jakarta and Kebon Kosong Village, Central Jakarta. Basically, both locations have demonstrated good practice of empowering and implementing ProKlim. But if faced with the problem of climate change which substantively has a global character –the village as the subject is only able to carry out limited adaptation and mitigation to climate change. Therefore, the structural narrative is crucial in overcoming the problem of climate change, namely by re-presenting the role and intervention of the state through macro policy.
The recovery rate of Simental spermatozoa frozen of post thawing by using tris dilution with different egg yolks
Authors: Yendraliza  , Hendriyanto Y , Mucra D A , Zumarni  , Rodiallah M 
Published: December 2019

Abstract
The yolk content of each poultry varies so that the quality of spermatozoa diluents from various egg yolks will also vary. The purpose of this study was to determine the effect of the use of chicken, duck, and egg yolks-quail in Tris dilution to the quality of Simental spermatozoa. Semen used in this study was semen Simental bulls from at the Tuah Sakato Artificial Insemination center, Payakumbuh, West Sumatera. The research used a completely randomized design (CRD) of three treatments with ten replications. The results of the research showed that the use of different egg yolk diluent gave a significant effect in motility, viability, membrane plasma intact, recovery rate and abnormalities spermatozoa Simental. Conclusion, the duck egg yolk to the tris diluent for Simental bulls spermatozoa preservation is the best diluent with high motility (43.00%), high intact plasma membrane (54.67%), high the viability (45.17%) with low abnormality spermatozoa (13.33%) and lower recovery rate (57.33 %) compared to the tris egg yolk-chicken diluent and tris egg yolk-quail.
The Application of Concentration and Stimulation Techniques of Polyetilene Glycol on the Production of Rubber Plant PB 260 Clone
Authors: Yunta G A , Dede M 
Published: December 2019

Abstract
Natural Rubber (Hevea brasiliensis Muell Arg.) is one of the important plantation commodities in Indonesia. As source of employment, this commodity provides a significant contribution as one of non-oil and gas foreign exchange sources, supplies for rubber raw material and plays a vital role in encouraging the growth of new economic centers in the rubber plantation areas. Indonesia has the largest rubber plantation area in the world but its productivity is still lower than Thailand. The productivity of rubber in Indonesia has not been maximized due to most of rubber plants (85%) are managed by smallholder plantations with low of productivity. The efforts to increase the productivity of rubber plants in Indonesia are the right steps to take. To increase rubber production, proper management and cultivation are needed. The use of stimulants is an alternative way to increase the production of rubber and it benefits in reducing lead costs caused by higher labor costs. Research on the Application of Concentration and Technique of Giving Polyetilene Glycol Stimulants to Rubber Crop Production PB 260 clones shows that the application technique and the concentration of PEG stimulant significantly affected the latex volume, latex weight and Pre-processed Rubber (bokar) weight, but did not significantly affected on dry rubber. The application technique and 2% of PEG stimulant with the bark application (BA) technique on PB 260 clones gave the best results on the parameters of latek volume (61.28 ml), latek weight (57.60 gr), and Pre-processed Rubber (bokar) weight (57.90 gr). It is considered as the best treatment. It is recommended to apply topical system tapping technique (Bark Application) with concentration of 2.5% PEG stimulant in rubber plants PB 260 clone. Further research need to investigate the technique and the concentration of PEG stimulant to rubber plants with different clones.
Response of Soybean (Glycine Max) to The Reduction of Inorganic Fertilizer with Palm Oil Factory Waste Decanter Cake
Authors: Duaja M D , Kartika E , Buhaira B 
Published: December 2019

Abstract
This research was conducted to determine the response of soybean plants when inorganic fertilizers were reduced and replaced with palm oil mill waste decanter cake. This research was conducted at Farmers’ Land in Harapan Makmur Village, Rantau Rasau District, Tanjung Jabung Timur Regency. This study uses a one factor randomized block design, namely decanter cake and inorganic fertilizer (NPK) consisting of 7 levels, namely: 100% NPK fertilizer, Trichoporiza Plus (TP) 5, 10 and 15 ton/ha, TP 15 ton / ha + 50% NPK dose, TP 10 tons/ha + 50% NPK dose, and TP 5 tons / ha + 50% NPK dose. The parameters observed were plant height, number of leaves, number of branches and number of pods. The results showed that the response of plants to the reduction of 50 percent inorganic fertilizers substituted with TP 15 tons per hectare give the highest of plant height, number of leaves and number of branches but TP 10 ton/ha give the highest number of pod. All parameters shows that there is no significant difference between 10 tons per hectare and 15 tons per hectare of TP in the reduction of 50 percent NPK fertilizer.
The effectiveness of banana tuber and goat rumen as bio activator of liquid biopesticide fertilizers
Authors: Setyo Leksono Amin , Mustafa Irfan , Afandhi Aminudin , Zairina Anisa , Setyadin Yuris 
Published: December 2019

Abstract
The purpose of this study was to examine the use of bio-activator from banana tuber and goat rumen to make liquid biopesticide fertilizers. The liquid biopesticide fertilizer (LBF) was formulated from ginger, turmeric, curcuma, papaya and pineapple. The ingredients are blended prior to test. Treatment 1 (Bio) was set with the mixture of LBF added with bio-activator from banana tuber and goat rumen, the positive control mixture was added to EM4 bio activator, while control (C) only added with arcades. All treatments were mixed a concentration of bio-activator of 50 ppm. The results showed that the use of bio-activators from banana tubers and rumen goats to make liquid biopesticide fertilizers has shown effectiveness compared to controls. This process shows an increase in nitrogen content from day 13 to 17. Organic matter and carbon content are highest on day 13, while phosphorus content is highest on day 17.
LC-MS analysis of carbohydrate components in Porang tubers (Amorphophallus muelleri Blume) from the second and the third growth period
Authors: Gusmalawati D , Arumingtyas E L , Azrianingsih R , Mastuti R 
Published: December 2019

Abstract
The presence of carbohydrates, especially glucomannan, causes porang tuber to be important in some industries including food, cosmetics, medicines, and other industries. Porang has four growing periods (GP) in its life cycle. The GP1 until GP3 is the vegetative phase and GP4 is the generative phase. The tubers used as industrial materials generally were derived from GP2 and GP3 plants. The study aimed to analyse carbohydrate components in porang tubers from GP2 and GP3 plants using Liquid Chromatography Mass Spectrometry (LC-MS) method. The tubers produced from plants at GP2 and GP3 were extracted by maceration method using methanol solvent (pa) for 1 h. Liquid extracts obtained was further identified for the levels of carbohydrate components using LC-MS technique. The carbohydrate components identified with LC-MS were selected for quantifications. LC-MS analysis showed that both GP2 and GP3 tubers contained 67 types of chemical compounds. In the GP2 tubers 8 types of carbohydrate components were detected. Whereas in the GP3 tuber in addition to the 8 types of carbohydrate components that are the same as ini the GP2 tuber there is also 1 other type of component, namely trehalose. Glucomannan is the highest levels of the carbohydrate component in GP2 and GP3. However, glucomannan levels in GP2 tuber (58, 845.54µg/g) were lower than those in GP3 tuber (99, 436.85µg/g). Therefore, GP3 tubers are better than GP2 to be used as industrial materials.
The Community Structure of Microalgae and Exploring its Potentially to Biofuel Producing in Ranu Grati, East Java Indonesia
Authors: Prabaningtyas Sitoresmi , Ardyati T , Suharjono  , Retnaningdyah C 
Published: December 2019

Abstract
Microalgae are microscopic autotrophic organisms which act as one of the biofuel-producing organisms. Ranu Grati is one of the volcanic lakes located in Pasuruan, East Java. Human activities around the waters are responsible for eutrophication of the water quality. The aim of this study was (1) described the profile of water quality and microalgae community structure, and (2) investigated microalgae potential as a producer of biofuels based on lipid content. Explorative research was carried out by taking a sample of water at a depth of 50 cm at 5 stations. Water quality parameters measured were DO, pH, BOD, TP, and TKN. Microalgae samples were taken by filtering 3 L of water using Plankton Nets. Plankton samples were identified and calculated using Haemocytometer. Furthermore, microalgae abundance, Important Value Index (IVI), diversity index, richness taxa, Evenness, and Richness index were determined. Species with the two highest IVI was determined the lipid levels use literature. The results showed that the waters of Ranu Grati had been contaminated with high organic matter (BOD levels 8.30-8.72 mg/L) with trophic status classified as mesotrophic to hypertrophic (TP 0.05-0.08 mg/L and TKN 0.23-0.32 mg/L). DO levels was high and have a range value 7.47-9.87 mg / L, while range of pH value 8.73-9.07. There were found 18 species of microalgae with varied 10-18 species in each station. Pollution status of Ranu Grati based on Shannon Wiener diversity index categorized as moderately polluted with range values 1.95-2.34. Value of microalgae evenness 0.77-0.86 indicated high uniformity with equally even distribution of species. Chlorella sp. and Scenedesmus sp. have the highest IVI and have a potential to produce biofuel with lipid levels 28 -32% (dry weight) and 12-14% (dry weight) respectively.
Density of microbe as biofertilizer candidate on fibric peat in oil palm plantation area at Kubu Raya District, West Kalimantan
Authors: Khotimah Siti , Suharjono  , Ardyati T , Nurani Y 
Published: December 2019

Abstract
Characteristics of fibric peat are high fiber content and low pH 2-3. The presence of soil bacteria affects the fertility of fibric peat. This study aims to analyze density of soil bacteria in the fibric peat layer in the area of oil palm plantations. Bacteria as biofertilizer candidate were isolated by pour plate method on media Carboxymethylcellulose (CMC), Pikovskaya, Nitrogen fixing bacteria (Nfb), and Tryptic Soy Agar (TSA). Fibric peat at oil palm plantation contain 8.4 x105 CFU/g cellulolytic bacteria, 2.86x104 MPN/g nitrogen-fixing bacteria, 3, 48 x105 CFU/g phosphate solubilizing bacteria, 5, 6 x 104 CFU/g cellulolytic fungi and 6.5 x105 IAA producing bacteria. Those functional bacteria can be developed as biofertilizer agents to improve the fertility of peat soil.