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Effect of Power Percentage and Cutting Speed on Tensile Stress Values in Laser Cutting Processes saputra, onery; Nurharyanto , Anwar; Sudiro
Jurnal INOVATOR Vol. 6 No. 2 (2023): Jurnal INOVATOR
Publisher : LPPM Politeknik Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37338/inovator.v6i2.261

This research was conducted to determine the tensile stress of an object that was cut using a laser cutting machine. The purpose of this study is to determine the strength changes in the workpiece caused by cutting using laser cutting based on power and cutting speed. The workpiece used in this study is a polymer type Polymethylmethacrylate (PMMA) or better known as acrylic. This study uses variations in the amount of power and cutting speed, namely 50% power with a cutting speed of 5 mms, 50% power with a cutting speed of 10mms, 70% power with a cutting speed of 5 mms and 70% power with a cutting speed of 10 mms. From the results of tensile stress testing, the amount of power and speed of acrylic cutting affects the tensile stress of the workpiece. The greater the acrylic cutting power will reduce the tensile stress value of the workpiece by 11.4%. The faster the acrylic cutting will reduce the tensile stress value by 10.7%.

Program Tangguh Mental melalui Anger Management Training (PTM AMT) Sari, Febriana Sartika; Sudiro; Ratna Wirawati Rosyida
Health Care : Journal of Community Service Vol. 2 No. 2 (2024)
Publisher : Rena Cipta Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62354/healthcare.v2i2.26

Ketangguhan mental remaja menjadi isu strategis yang harus dicapai. Kasus perilaku agresif pada remaja masih banyak terjadi. Banyak faktor yang melatarbelakangi diantaranya kurang pengetahuan dan kurang terampilnya masyarakat untuk deteksi dini perilaku agresif dan manajemen marah konstruktif. Tujuan pemberdayaan masyarakat PTM AMT (Program Tangguh Mental melalui Anger Management Training) adalah untuk meningkatkan ketangguhan mental dan meningkatkan pengetahuan dan keterampilan remaja tentang perilaku agresif dan manajemen marah. Kegiatan terlaksana di SMA di Surakarta pada Juli Agustus 2024. Sejumlah 35 remaja mengikuti kegiatan PTM AMT berupa edukasi perilaku agresif dan pelatihan manajemen marah. Media yang digunakan adalah media audiovisual video perilaku agresif dan manajemen marah serta kuesioner pengetahuan dan perilaku agresif dan manajemen marah, dan lembar observasi keterampilan manajemen marah. Hasil PTM AMT adalah adanya peningkatan pengetahuan remaja tentang perilaku agresif dan cara mengontrol marah sebesar 6,7 poin dengan nilai mean 10,9 dan SD 2,1 (pre test) dan 17,75 dan SD 1,8 (post test). Hasil observasi keterampilan didapatkan nilai mean 9,63 dan SD 0,85 (post test only) sehingga sebagian besar remaja mampu mempraktekkan manajemen marah dengan baik. Kesimpulan pemberdayaan masyarakat PTM AMT adalah adanya peningkatan pengetahuan dan keterampilan remaja tentang perilaku agresif dan manajemen marah setelah mengikuti PTM AMT. Kerjasama antar institusi pendidikan Tinggi, SMA, dan puskesmas dapat terjalin dengan baik. Program Tangguh Mental dapat dioptimalkan dengan kegiatan rutin lanjutan berupa edukasi edukasi kesehatan mental remaja.

The difference between health education with PowerPoint and booklet media to increase knowledge about the dangers of smoking Rahmadhani, Suci Nur; Sunarto; Sudiro
Basic and Applied Nursing Research Journal Vol 5 No 2 (2024): Basic and Applied Nursing Research Journal (BANRJ)
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/banrj.05.02.10

Background: Cigarettes are cylindrical objects that contain many dangerous additives. The danger of smoking is that it can cause perio-dontitis (gums inflammation, pharyngitis (throat infection), laryngitis (infection of the larynx and vocal cords), and bronchitis (infection of the bronchial tubes). Protecting the dangers of smoking can be provided through health education. Health education can be provided using several methods. One of them is the lecture method using interesting media such as PowerPoint and bookletsObjective: To determine the difference in increasing knowledge of the dangers of smoking between the Health Education lecture method with PowerPoint media and booklets. Methods: This study used a quasi-experimental method with a two-group pretest and posttest. The 63 respondents in the sample were di-vided into 31 respondents in the booklet group (B) and 32 respondents in the PowerPoint group (P). The questionnaire contains 15 questions used to measure knowledge of the dangers of smoking.Results: The mean value was 66.34 for the PowerPoint media lecture approach and 76.16 for the booklet media lecture method. The Mann-Whitney test indicated a difference between the two presentations (p = 0.010).Conclusions: There is a difference in increasing knowledge about the dangers of smoking between health education lecture methods with PowerPoint media and booklets.

PENINGKATAN KOMPETENSI MEKANIK BENGKEL SEPEDA MOTOR MELALUI PELATIHAN DAN SERTIFIKASI KENDARAAN LISTRIK DI SURAKARTA Onery Andy Saputra; Sudiro; Arif Surono; Nita Enjellina; Arifin Oktabrian
DEVELOPMENT: Journal of Community Engagement Vol. 4 No. 3 (2025): September
Publisher : LPPM STAI Muhammadiyah Probolinggo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46773/djce.v4i3.2579

The development of electric vehicles in Indonesia requires the readiness of mechanics with specialized competencies in maintenance and repair. However, most motorcycle workshop mechanics in the Soloraya region still have limited knowledge and skills. This community service program aims to enhance the competence of mechanics through electric vehicle training and certification. The program was conducted at the Automotive Workshop of Politeknik Indonusa Surakarta in collaboration with Wuling Motor Indonesia, involving 20 participants from various motorcycle workshops. The training materials covered electric motor systems, batteries, battery management systems (BMS), and high-voltage occupational safety. The implementation methods included theoretical delivery, interactive discussions, and hands-on practice in electric vehicle maintenance and repair. The results indicated improved participants’ understanding, as shown by pre-test and post-test evaluations, and further reinforced by the awarding of competency certificates. This activity not only provided direct benefits for workshop mechanics but also supported the acceleration of battery-based electric vehicle implementation in line with government programs. Through this training, mechanics are expected to adapt to the development of automotive technology, enhance the competitiveness of local workshops, and contribute to sustainable transportation development in Indonesia.

The Differences In Knowledge Improvement About Brushing Teeth Between Health Education With Pop Up Book And Video Media In Elementary School Children Sunarto; Sherina Putri Nuswantoro; Sudiro
Basic and Applied Nursing Research Journal Vol 6 No 1 (2025): Basic and Applied Nursing Research Journal (BANRJ)
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/banrj.06.01.07

Background: Dental and oral health support health immunity and require attention because these problems need special treatment. Problems arise, one of which is caused by behavioral factors or attitudes that neglect cleanliness. Efforts to increase knowledge can be done in various ways, and providing health education through pop-up books and video media is one of the techniques. Objective: Determine the difference between pop-up books and video media in increasing knowledge about the health education of brushing teeth. Methods: A quasi-experiment will assess the conditions before and after testing. The sample consisted of 75 respondents, consisting of 35 respondents from the pop-up book media group (P) and 35 from the video media group (V). Results: The results of the Wilcoxon statistical test in the two intervention groups were obtained in the pop up book group with a mean value of 84.00 and the video group with a mean value of 87.43 The results of the Mann Whitney test were obtained with a significant difference in knowledge increase from the two groups with a value of 0.031 (p value > 0.05). Conclusions: Health education using video media is more effective in increasing knowledge of brushing teeth.

ENHANCING PHOTOVOLTAIC PERFORMANCE USING TITANIUM DIOXIDE BASED NANO-ENHANCED PCM FOR PASSIVE COOLING APPLICATIONS Seto, Dewandono Bayu; Sudiro; Restu, Tuhu
Proceeding of the International Conference Health, Science And Technology (ICOHETECH) 2025: Proceeding of the 6th International Conference Health, Science And Technology (ICOHETECH)
Publisher : LPPM Universitas Duta Bangsa Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47701/gjjms246

The performance of photovoltaic (PV) modules is significantly affected by the increase in operating temperature, which leads to reduced power output and overall efficiency. Therefore, passive cooling strategies are required to maintain stable energy conversion in solar systems. One widely investigated approach is the use of phase change materials (PCM) due to their ability to absorb and release latent heat, although their low thermal conductivity remains a major limitation. This study aims to evaluate the effectiveness of incorporating titanium dioxide nanoparticles into PCM, known as nano-enhanced PCM (NePCM), in improving the cooling performance of PV modules. The experimental method was conducted on a 50 Wp polycrystalline PV module under three conditions: without cooling, with pure PCM, and with titanium dioxide-based NePCM. The preparation of NePCM was carried out using a two-step method involving mechanical stirring and ultrasonic sonication to achieve a homogeneous nanoparticle dispersion. The results demonstrated that the addition of titanium dioxide improved the thermal conductivity of PCM, leading to lower operating temperatures, more stable voltage and power output, and higher energy conversion efficiency compared to both pure PCM and the uncontrolled condition. These findings highlight the potential of titanium dioxide-based NePCM as an effective, economical, and sustainable material for passive cooling applications in photovoltaic systems.

Optimalisasi Fungsi Lahan Perkampungan Sebagai Sumber Ketahanan Pangan Nasional di Kampung Mosso, Jayapura Sudiro; Tommi; Kasim Samosir, Rasi
Journal Scientific of Mandalika (JSM) e-ISSN 2745-5955 | p-ISSN 2809-0543 Vol. 6 No. 4 (2025)
Publisher : Institut Penelitian dan Pengembangan Mandalika Indonesia (IP2MI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/10.36312/vol6iss4pp1088-1095

This study aims to identify the availability of undeveloped land in Mosso Village as a medium for farming or gardening, analyze the suitability of optimal agricultural land or plantations in Mosso Village based on the Jayapura City Regional Spatial Plan (RTRW), and determine the direction of optimized space utilization as agricultural land and plantations in Mosso Village. The background of this research is based on the potential of Mosso Village as the outermost and foremost area that has the potential of agriculture and plantations as a source of food security. The method carried out in this study uses a descriptive – exploratory method

Improving the Arabic Language Competence of Madin Teachers in Purwojati District Using the Ta'riji Method Sudiro; Liddini, Laily
GANDRUNG: Jurnal Pengabdian Kepada Masyarakat Vol. 5 No. 2 (2024): GANDRUNG: Jurnal Pengabdian Kepada Masyarakat
Publisher : Fakultas Olahraga dan Kesehatan, Universitas PGRI Banyuwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36526/gandrung.v5i2.3822

The Arabic competence of students in Indonesia is in the low category. The low proficiency in Arabic is due to various reasons, especially because the process of learning Arabic in Indonesia only focuses on certain competencies, not comprehensively. The Ta'riji method seeks to introduce a more comprehensive Arabic learning method and improve all aspects of Arabic language skills. Various discussions used in this method can be practically applied in everyday life. This method was introduced and taught to Madrasah Diniyah teachers in Purwojati District, Banyumas Regency. As a result, there was an increase in the Arabic language skills of students taught by madrasah diniyah teachers who had attended intensive Ta'riji Method training.

The Differences In Knowledge Improvement About Brushing Teeth Between Health Education With Pop Up Book And Video Media In Elementary School Children Sunarto; Sherina Putri Nuswantoro; Sudiro
Basic and Applied Nursing Research Journal Vol. 6 No. 1 (2025): Basic and Applied Nursing Research Journal (BANRJ)
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/banrj.06.01.07

Background: Dental and oral health support health immunity and require attention because these problems need special treatment. Problems arise, one of which is caused by behavioral factors or attitudes that neglect cleanliness. Efforts to increase knowledge can be done in various ways, and providing health education through pop-up books and video media is one of the techniques. Objective: Determine the difference between pop-up books and video media in increasing knowledge about the health education of brushing teeth. Methods: A quasi-experiment will assess the conditions before and after testing. The sample consisted of 75 respondents, consisting of 35 respondents from the pop-up book media group (P) and 35 from the video media group (V). Results: The results of the Wilcoxon statistical test in the two intervention groups were obtained in the pop up book group with a mean value of 84.00 and the video group with a mean value of 87.43 The results of the Mann Whitney test were obtained with a significant difference in knowledge increase from the two groups with a value of 0.031 (p value > 0.05). Conclusions: Health education using video media is more effective in increasing knowledge of brushing teeth.

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