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International Journal of Natural Science and Engineering

IJNSE
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Published by Universitas Pendidikan Ganesha

ISSN : 26151383 EISSN : 25496395 DOI : -

Core Subject : Engineering,

Engineering

International Journal of Natural Sciences and Engineering (IJNSE) is an independent, quarterly basis online & print version, open access, peer reviewed, non-profit journal that publishes original research, short communications, review articles or essays, and book reviews relevant to Natural Sciences and Engineering. IJNSE is published by the Universitas Pendidikan Ganesha (Undiksha), Indonesia.

Arjuna Subject : -

Articles 5 Documents

Search results for , issue "Vol. 5 No. 3 (2021): October" : 5 Documents clear

The Implications of Breastfeeding Self-Efficacy on Prelacteal Feeding in First Week of Birth Mertasari, Luh; Sugandini, Wayan; Giri, Ketut Espana
International Journal of Natural Science and Engineering Vol. 5 No. 3 (2021): October
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat

Breastfeeding is a special and joyful event that most mothers and their babies experience. Exclusive breastfeeding (breastfeeding only for babies until they are six months old) is an activity that is very beneficial for both mother and baby. The low achievement of exclusive breastfeeding often begins with giving prelacteal intake in the first days of the baby's life because of the low understanding of the baby's mother about the importance of breastfeeding. This study links the relationship between breastfeeding self-efficacy and prelacteal feeding in the first week of birth. This type of research is correlational with a cross-sectional approach. The population in this study were breastfeeding mothers in the first week of the baby's birth; the number of samples was 50 people with purposive sampling technique. The data was collected using the BSE-SF questionnaire and observation—data analysis with univariate and bivariate chi-square tests to determine the relationship between the two variables. The study results with a p-value of 0.000 0.05, so it was concluded that there was a relationship between breastfeeding self-efficacy and the provision of prelacteal nutrition in the first week of birth. This research can then be used to reference further breastfeeding guidance strategies.

Analysis of the Factors that Cause Dengue Hemorrhagic Fever (DHF) Using Chi-Square Automatic Interaction Detection (CHAID) Syahdan, St; Arif, Abdul; Megawati, Megawati
International Journal of Natural Science and Engineering Vol. 5 No. 3 (2021): October
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat

The low level of public awareness of environmental cleanliness has led to the spread of dengue hemorrhagic fever (DHF). This study aims to identify and analyze the factors that cause dengue hemorrhagic fever (DHF) using the Chi-Square Automatic Interaction Detection (CHAID) method. This type of research is applied research, namely research conducted to apply, test, and evaluate the ability of a theory that is applied in solving practical problems. This research was conducted at the University of Kaltara by taking quantitative data on dengue hemorrhagic fever (DHF) patients recorded at the Bulungan District Health Office. The analytical method used is the Chi-Square Automatic Interaction Detection (CHAID) tree-structured classification method with the Statistical Package for the Social Sciences (SPSS) program. Based on the study results, it was found that five factors caused the occurrence of dengue hemorrhagic fever (DHF) in Bulungan Regency. They are Gender, Age, Work Status, Environment, and Household Income. Based on the CHAID analysis using the IBM SPSS Statistics computer program, a decision tree is formed, which consists of 5 nodes consisting of 1 main node (node 0), one decision node (node 1), and 3 terminal nodes (node 2, 3 and 4). The predictor variables that affect the formation of the decision tree are Age and Household Income. DHF patients can be classified into three different segments from the segmentation decision tree with an estimated risk of 0.273, which means the risk of the wrong classification for DHF status is 27.3%.

The Impact of Using Salt on Drying Rate of Fish Delima, Rika; Sahira, Safinaz; Sumiroyani, Sumiroyani; Kamelia, Kamelia; Reskiana, Reskiana; Rahmi, Khusnul Aulia; Marta, Eni
International Journal of Natural Science and Engineering Vol. 5 No. 3 (2021): October
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat

Fish drying by using additional salt as a preservative and adding flavor to the fish. This study aims to determine the effect of various doses of salt on the quality of tilapia, motan, dried salted lemongrass and the difference that does not use salt on the quality of fish. This type of research is quantitative research with experimental methods. The independent variable in this study was the concentration of NaCl salt as a treatment, namely 10%, 20%, 30% of the total fish weight. The controlled variables of this study were the type of fish, weather conditions, and materials used. The research process begins with weeding motan, tilapia, and lemongrass fish, namely motan fish, tilapia, and lemongrass fish, weighing 100 grams. Then the fish are weeded with running water, removed all the contents of the fish's stomach, and drained until the fish does not contain too much water. Then the addition of salt to the motan fish, tilapia, and lemongrass fish has been given, namely, 27%, 34%, and 41%. The duration of soaking or salting is 24 hours. After the salting time has been completed, the fish drying process is continued. The fish dried at a temperature of 30C to 35C for 2 to 3 days to obtain the desired characteristics of salted fish. Data was collected by testing the salt content in fish with different concentrations. The results showed a difference between salted fish and unsalted fish. Salted fish has a harder texture, taste better, and have a longer shelf life.

Computers and Information Technology as a Source of Learning Media for Elementary School Teachers Monalia, Monalia; Asfiyanti, Nurul Aini; Putri, Syafia Eka
International Journal of Natural Science and Engineering Vol. 5 No. 3 (2021): October
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat

The increasingly rapid development of computers and information technology at this time provides benefits and conveniences for teachers and students. It is hoped that the development of computers and information technology can stimulate thoughts, provoke activity, feelings, and attention of students so that the learning process goes well and student and teacher communication runs smoothly. This study aims to determine the development of ICT as a source of learning media. This research is qualitative descriptive research. This type of research is literature review research reviewed from journals taken from e-journals and Google Scholar. The data collection technique used in this research is reading the journals obtained and noting the things needed in this journal. The data validation technique used in this journal is using data source triangulation techniques. Based on the study results, it can be concluded that learning to use computers and information technology has many benefits that can be taken. Make it easier for teachers and students to convey and receive the learning they want to convey. With this ICT, teachers can also do e-learning so that students are more independent with flexible time.

The Effect of Fish Thickness on Dryness Level and Time for Drying Fish Azizah, Nur; Asfiyanti, Nurul Aini; Hasibuan, Melisa; Jannah, Miftahul; Gustari, Rinda; Hasibuan, Riski Sakinah
International Journal of Natural Science and Engineering Vol. 5 No. 3 (2021): October
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat

Drying fish is one way of preserving fish by reducing the water content so that the activity of microorganisms can be reduced. Preservation by drying is intended to extend the shelf life of fish. The method used in this research is using the experimental method. The data used in this study include data regarding the process, what materials will be carried out in this research. In this study, there were several problems in the drying time of fish. The data collection technique was the implementation of experiments and documentation. The conclusion of this research is sunlight, fish thickness, and drying time affect the drying rate of fish. Fish that get enough sunlight and have a small and thin shape will dry faster than fish with thick meat, such as catfish and catfish. Fish dried without salt and get enough sunlight will usually dry faster than fish given salt. Except for fish that have thick and oily meat usually dry longer. The drying time of fish varies depending on the thickness of the fish and the sunlight it gets.

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