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Jurnal Ilmiah Ilmu Terapan Universitas Jambi
Published by Universitas Jambi
ISSN : 25802240     EISSN : 25802259     DOI : https://doi.org/10.22437/jiituj.v6i2
Core Subject : Education, Engineering,
Education Engineering Industrial & Manufacturing Engineering
JIITUJ publish the result of research on applied science and education (Research of applied science and education) such as: the research result on applied science and education such as curriculum development and learning, character education, technology and instructional innovation, and learning evaluation. the research result on applied science and technology such as the development of applied technology and applied arts, appropriate technology, designing information systems, the research result on applied science and economic development the research result on applied science and public health. JIITUJ is a double-blind peer-reviewed journal, published three (3) times a year by Research Institutions and Community Service (LPPM), Universitas Jambi, Indonesia. JIITUJ is open to academic circles and university researchers, research institutes, librarians, graduate and postgraduate students to share information on research results.
Arjuna Subject : Kimia(semua kategori) - Kimia (Lain-Lain)
Articles 340 Documents
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PROVISION OF STIMULANTS MADE OF PEG 6000 AND OLEOCHEMICALS IN INCREASING THE PRODUCTION OF RUBBER PLANTATIONS Murni Sari Rahayu; Syamfitri Syamfitri; Surya Dharma; Darius El Pebrian
Jurnal Ilmiah Ilmu Terapan Universitas Jambi Vol. 9 No. 1 (2025): Volume 9, Nomor 1, March 2025
Publisher : LPPM Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jiituj.v9i1.34439

Abstract

Indonesia’s rubber plants nationally is still relatively low compared to other natural rubber-producing countries, which is 858 kg/ha/year. The lack of precision of the inefficient exploitation and tapping system implemented by rubber farmers, both community plantations, government and private, is one of the causes of low rubber production in Indonesia. This study aims to determine the influence of the production and physiology of latex in the PB 260 clone community rubber plant after being given a stimulant made of PEG 6000 and oleochemicals. The research was carried out in a community rubber plantation, located in Galang District, Deli Serdang Regency, North Sumatra Province. The altitude of the place is 25 m above sea level with the Ultisol soil type. The research began in July 2022 to November 2022. The plant material used in the field is a 20-year-old PB260 clone rubber plant. Research observations include plant production in the field on smallholder rubber plantations, as well as latex physiological analysis conducted at the Laboratory of the Faculty of Agriculture, Islamic University of North Sumatra and the Sungei Putih Research Institute, Field experiments used a three-replicate factorial group random design with PEG 6000 and Oleochemistry as treatments. The A1 treatment generally had the best effect on all the observational parameters of the study. The combination of PEG 6000 3% and Oleochemistry had an insignificant effect on latex production, rubber dryness, rubber physiology, and rubber histology. However, statistically the combination of P1A1 has a positive effect on rubber plants.
ADDRESSING HYPERTENSION IS CRUCIAL TO MITIGATING COGNITIVE DECLINE AND IMPROVING PATIENTS' QUALITY OF LIFE Dewi Pangestuti; Adhayani Lubis; Adi Raja Brando Lubis; Amirul Mukminin; Ira Aini Dania; Donalry Agus Saputra; Stenly Hely Sajow
Jurnal Ilmiah Ilmu Terapan Universitas Jambi Vol. 9 No. 1 (2025): Volume 9, Nomor 1, March 2025
Publisher : LPPM Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jiituj.v9i1.34442

Abstract

Hypertension, a condition characterized by persistent elevated blood pressure, often places individuals at risk of developing complications that can adversely impact their quality of life. One notable complication associated with hypertension is cognitive dysfunction. A study published in the Journal of Alzheimer's Disease (2020) demonstrated that individuals with long-standing hypertension exhibited an elevated risk of developing cognitive impairment and Alzheimer's disease. Preliminary research suggests that approximately 12.5 percent of hypertensive deaths may be attributable to underlying factors. Aims: This study aims to examine the cognitive deficits in patients with hypertension and summarise research on the relationship between hypertension and cognitive impairment. This analytical research study with a cross-sectional design, total sample of 84 individuals who suffer from hypertension, the ages of 60 and 79 years old. The sample selected using purposive sampling, instruments used in this study were medical record and Mini Mental State Examination (MMSE) questionnaire. The data was analyzed univariate and bivariate with the Chi Square statistical test. The MMSE cognitive function test revealed that out of 84 individuals with hypertension, 67.85% had normal cognitive function, while 32.14%) moderate cognitive impairment. The sample for the research consisted of 40 male individuals (47.61%) and 44 female individuals (52.38%). Hypertension can affect a person's cognitive function which has an impact on quality of life.
EVOLVING TRENDS IN HUMAN RESOURCE MANAGEMENT RESEARCH WITHIN TOURISM: INSIGHTS FROM A BIBLIOMETRIC ANALYSIS Sunda Ariana; Sulaiman Helmi; Malik Cahyadin; Deshinta Arrova Dewi; Mashal Kasem Alqudah
Jurnal Ilmiah Ilmu Terapan Universitas Jambi Vol. 9 No. 1 (2025): Volume 9, Nomor 1, March 2025
Publisher : LPPM Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jiituj.v9i1.35392

Abstract

Human Resource Management (HRM) is a strategic approach to managing people effectively in tourism companies, providing a competitive edge. This study aims to reveal research trends from 2020 to 2022 through a bibliometric and content analysis of HRM-related articles in the tourism industry. A total of 1,086 Scopus-indexed articles were analyzed using R Studio with the bibliometric package. Key metrics such as countries, authors, and institutions contributing to HRM research were examined. The findings show that the United States and China were the most productive countries in article output, with Wang and Zhang identified as the most prolific authors and Netreported as the leading institution. Emerging themes and keywords were also identified, indicating significant areas of focus in HRM research. The results highlight that HRM remains a trending topic in the tourism sector, driven by its role in enhancing organizational performance. This study is one of the few to provide a comprehensive bibliometric analysis of HRM in tourism, offering insights into global research productivity and trends over three years. The findings have practical implications for both academia and industry, suggesting that future research should focus on specific HRM practices that can further improve competitiveness in the tourism sector. These insights can guide tourism companies in refining HRM strategies to enhance performance and adaptability.
EFFECTIVENESS OF ANTIOXIDANTS AS BROWNING INHIBITORS AGAINST SHOOT Cyrtostachys renda AS CALLUS CULTURE EXPLANT Syamsurizal Syamsurizal; Diah Tri Utami; Elisma Elisma; Lizawati Lizawati; Aries Bagus Sasongko; Beni Hendro Prabowo
Jurnal Ilmiah Ilmu Terapan Universitas Jambi Vol. 9 No. 1 (2025): Volume 9, Nomor 1, March 2025
Publisher : LPPM Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jiituj.v9i1.36002

Abstract

Cyrtostachys renda has various pharmacological activities. C. renda roots contain alkaloids and flavonoids as secondary metabolites' main components responsible for anti-inflammatory and anticancer activities. To produce secondary metabolites from C. renda, tissue culture can be used through callus and cell suspension culture techniques. Browning is one of the main challenges in plant tissue culture, which inhibits the success of callus formation, especially in plants with a high content of phenolic compounds such as C. renda. This study tested the effect of soaking in polyvinylpyrrolidone (PVP) and ascorbic acid (AA) in inhibiting the browning process in C. renda explants. Explant colour change testing was done in vitro by soaking the explants in five concentrations of PVP and AA (50, 100, 150, 200 and 250 ppm). Changes in explant colour were then analyzed using the Royal Horticultural Society (RHS) colour chart. The results showed that the PVP antioxidant with a concentration of 200 ppm could suppress explant browning until the fourth day. In comparison, explants treated with AA antioxidants with a concentration of 200 ppm showed browning symptoms on the second day. It can be concluded that antioxidants can reduce the browning level in C. renda shoot explants, and the antioxidant PVP can reduce the browning level better than AA. The mechanism of PVP as an anti-browning agent through inhibition of phenolic oxidation. This study's novelty is obtaining the type of anti-browning PVP with an optimum concentration of 200 ppm to inhibit the browning of C. renda shoot explants.
USING THE MOORE'S THEORY TO EXPLAIN PRESERVICE TEACHERS’ DIFFICULTIES IN PROVING OF THE TRIANGLE SUM THEOREM Sugi Hartono; Tatag Yuli Eko Siswono; Rooselyna Ekawati; Ebenezer Bonyah
Jurnal Ilmiah Ilmu Terapan Universitas Jambi Vol. 9 No. 1 (2025): Volume 9, Nomor 1, March 2025
Publisher : LPPM Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jiituj.v9i1.36349

Abstract

This study aims to analyze the difficulties of preservice teachers’ in proving the triangle sum theorem. The method of this study is used a qualitative method with 58 of preservice mathematics teacher studying for a Bachelor of Education degree in Universitas Negeri Surabaya, Indonesia. The authors analysed the written responses to a 1 item worksheet and also conducted interviews with seven of the participants. The analysis of the data was guided by Moore’s theory which was used to identify difficulties of preservice teachers’ in proving of the triangle sum theorem. The results showed that still many of preservice teachers still difficulties in proving of the triangle sum theorem. There were 38% of preservice teachers who answered correctly and 62% of preservice teachers answered incorrectly in compiling proof. It was found that several preservice teachers had difficulties in compiling proofs, namely 30 preservice teachers had difficulty understanding the concept, 2 preservice teacher's did not understand the language and mathematical notation and 4 preservice teacher's had difficulty starting the proof. The novelty of this research is introducing a new theoretical analysis related to the difficulty in proving the fundamental theorem of geometry, namely Moore's theory. This study recommends that preservice teacher’s should be given solution through scaffolding to help preservice teacher's understand the concept of proof so that students can compiling proofs with correct.
SUSTAINABLE LIVELIHOODS FOR SUKU ANAK DALAM: INTEGRATING LOCAL WISDOM AND NATURAL RESOURCES Fuad Muchlis; Elwamendri Elwamendri; Idris Sardi; Zakky Fathoni; Ahmad Syariful Jamil
Jurnal Ilmiah Ilmu Terapan Universitas Jambi Vol. 9 No. 1 (2025): Volume 9, Nomor 1, March 2025
Publisher : LPPM Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jiituj.v9i1.36515

Abstract

The issue of poverty and food and nutritional vulnerability in the Suku Anak Dalam (SAD) community in Bukit Duabelas National Park requires special attention. This study will integrate various assets owned by indigenous communities, including local wisdom and social capital, with opportunities to develop the potential of natural resources in TNBD to support the achievement of SDGs. This research aims to describe the picture of SAD livelihoods and their changes and design a design or pattern for sustainable SAD livelihood development. The research uses a constructivist paradigm with a case study approach. Data analysis uses the Sustainable Livelihoods Framework to identify and evaluate SAD individuals or communities' assets, capacities, and strategies for maintaining sustainable livelihoods. The results of this research show that, SAD communities in TNBD still depend on extractive agriculture, such as hunting and gathering, but are starting to switch to plantation cultivation, such as oil palm and rubber. Professions outside the agricultural sector are limited, and their access to formal employment is hampered by limited education and skills. SAD has a variety of assets, including human, natural, social, financial, and physical capital. Social and natural capital are their main assets. Despite limited education, their natural resources are sufficient to support life. To increase SAD's livelihood sources, interventions such as utilizing mapped site space, piloting productive site projects, strengthening cooperation between government, NGOs and the private sector, and community-based sustainable forest management are needed.
ENHANCING STUDENTS' CRITICAL THINKING IN NUMERACY PROBLEM-SOLVING THROUGH A FIELD-INDEPENDENT LEARNING STYLE AND HIGH SELF EFFICACY Via Yustitia; Varissa Sarahma Murti; Dian Kusmaharti; Luluk Faridah
Jurnal Ilmiah Ilmu Terapan Universitas Jambi Vol. 9 No. 1 (2025): Volume 9, Nomor 1, March 2025
Publisher : LPPM Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jiituj.v9i1.36525

Abstract

The urgency of addressing the lack of critical thinking skills among class V-B students at elementary school Ketintang 1 Surabaya is paramount. This study aims to elucidate the critical thinking abilities of students who exhibit a field-dependent cognitive style and high self-efficacy. The study employed a qualitative approach and phenomenological method. Data collection involved the use of the Group Embedded Figures Test (GEFT), self-efficacy questionnaires, and critical thinking assessments in mathematics, specifically on topics related to cubes and rectangular prisms. Data analysis comprised data condensation, data presentation, and conclusion drawing. Based on GEFT and self-efficacy questionnaire results, one class V-B student with a field-dependent cognitive style and high self-efficacy was selected for further critical thinking skills assessment. Based on the results of the critical thinking skills test, the student with a field-dependent cognitive style and high self-efficacy demonstrated notable strengths. In the process of basic clarification, the student met the indicators for analyzing arguments and formulating statements, effectively presenting their arguments. When providing reasons for decisions, the student showed the ability to consider the credibility of sources by selecting appropriate problem-solving strategies. However, she occasionally made calculation errors due to inaccuracy. In the process of concluding, the student met the indicators for making and evaluating decisions, successfully composing conclusion sentences that aligned with the problems and final answers.
HOW IS THE DYNAMIC THINKING PROCESS OF PROFICIENT’ STUDENTS IN SOLVING TRANSFORMATION GEOMETRY PROBLEMS? Megita Dwi Pamungkas; Stevanus Budi Waluya; Scolastika Mariani; Isnarto Isnarto
Jurnal Ilmiah Ilmu Terapan Universitas Jambi Vol. 9 No. 1 (2025): Volume 9, Nomor 1, March 2025
Publisher : LPPM Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jiituj.v9i1.36804

Abstract

Dynamic thinking is a crucial cognitive skill that enables students to solve complex problems in geometry effectively. This study investigates the characteristics of dynamic thinking among prospective mathematics teachers, focusing on the four key aspects: technique, conceptualization, monitoring, and perception. While previous research has identified these aspects, the specific problem-solving characteristics of dynamic thinking in mathematical contexts remain unexplored. This qualitative study was conducted at Tidar University, involving 54 prospective mathematics teachers identified as dynamic thinkers. Data were collected through a two-stage problem-solving test, structured observations, and in-depth interviews. The research instruments underwent a validation process to ensure reliability. Data analysis followed a systematic approach involving reduction, presentation, and verification to extract patterns of dynamic thinking among proficient problem solvers. The results indicate that students who exhibit proficient dynamic thinking demonstrate completeness and consistency in all four aspects. They effectively integrate multiple strategies, adapt their approaches in response to challenges, and maintain a reflective understanding of their problem-solving processes. Additionally, proficient dynamic thinkers show a higher degree of flexibility and spatial reasoning in geometry problems. This study contributes to the existing body of knowledge by identifying and describing the specific characteristics of dynamic thinking in mathematical problem-solving. The findings provide valuable insights for teacher education programs, emphasizing the need to cultivate dynamic thinking skills among prospective math educators. Future research can explore dynamic thinking across different mathematical domains and cognitive frameworks.
DYNAMIC PROCESSES THROUGH THE MATHEMATICAL MODELS AND NUMERICAL EVALUATIONS Shkelqim Hajrulla; Erind Bedalli; Robert Kosova; Mikaela Cela; Loubna Ali
Jurnal Ilmiah Ilmu Terapan Universitas Jambi Vol. 9 No. 1 (2025): Volume 9, Nomor 1, March 2025
Publisher : LPPM Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jiituj.v9i1.37049

Abstract

This article deals with analytical and numerical methods, particularly focusing on their application in solving displacement problem using mathematical models. This is a study on the evaluation of material damping ratios obtained from experimental data and laboratory tests, an essential criterion to reproduce reality in virtual simulations done for our computational models. The methodology involves iteratively seeking optimal solutions through multiple simulations, providing a way to estimate dynamic responses accurately. The article concludes by emphasizing the importance of numerical-stepping methods in tackling challenging problems in dynamic response analysis. It highlights the significance of numerical-stepping methods for handling non-linear systems and time-varying excitations in dynamic response analysis. This research addresses fundamental issues in the context of applied mechanics. In particular, the article is intended to provide a few computational algorithms where respective graphs are generated, depicting the relationship between time and displacement. Some highly efficient numerical procedures can be developed for linear systems by interpolating the excitation over each time interval and developing the exact solution using a variety of five methods. The numerical results obtained are compared with the theoretical solution. Our research manages to evaluate the depreciation of the material through the models reviewed in the article and gives the results according to the applied models by comparing the results and calculating the absolute error.
INTEGRATING SOCIOCULTURAL CONTEXTS IN SCIENCE EDUCATION: COMPARATIVE ANALYSIS AND STRATEGIC ADAPTATIONS Salamat Moldalieva; Shukrije Baruti; Miranda Baruti-Sylejmani; Nazira Koichubaeva
Jurnal Ilmiah Ilmu Terapan Universitas Jambi Vol. 9 No. 1 (2025): Volume 9, Nomor 1, March 2025
Publisher : LPPM Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jiituj.v9i1.37780

Abstract

The relevance of this study lies in its exploration of effective learning strategies across diverse sociocultural contexts, thereby underscoring the necessity to adapt educational practices in order to meet the requirements of culturally and socially varied student populations. The aim of this study was to investigate the impact of sociocultural factors on education in Kosovo and Kyrgyzstan, with a view to identifying effective adaptations of educational strategies within these unique cultural and historical settings. The applied research methods included a comparative analysis of the educational systems in Kosovo and Kyrgyzstan, and an interdisciplinary approach to examine the manner in which historical, cultural, and social factors are integrated into teaching methodologies. The results indicated that sociocultural contexts exert a significant influence on educational outcomes, thereby underscoring the necessity for tailored teaching strategies that take into account students' cultural backgrounds, social status, and ethical values. The study concluded that the successful adaptation of educational strategies requires comprehensive training for teachers, the incorporation of ethical considerations, and the development of culturally competent teaching materials. The present study offers profound insights into contemporary challenges, including technological integration and the need for diverse approaches. This study does a comparative examination of the sociocultural effects on education in Kosovo and Kyrgyzstan, providing insights into the influence of historical legacies and cultural variety on contemporary educational issues in both multicultural contexts. The findings provide recommendations for establishing inclusive educational environments, enhancing cultural competency among instructors, and utilising technology to meet the varied needs of students.

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