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All Journal International Journal of Renewable Energy Development INJECTION: Indonesian Journal of Vocational Mechanical Engineering Jurnal Abdi Kesehatan dan Kedokteran Algebra
Bayu Prabowo, Bayu
Institute of Energy and Power Engineering, Zhejiang University of Technology,
Humanities Chemistry Control & Systems Engineering Dentistry Economics, Econometrics & Finance Education Energy Engineering Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Mechanical Engineering Medicine & Pharmacology Nursing Public Health Other

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Effect of hydrothermal treatment temperature on the properties of sewage sludge derived solid fuel Yan, Mi; Prabowo, Bayu; Fang, Zhumin; Chen, Wei; Jiang, Zhiqiang; Hu, Yanjun
International Journal of Renewable Energy Development Vol 4, No 3 (2015): October 2015
Publisher : Center of Biomass & Renewable Energy, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ijred.4.3.163-169

Abstract

High moisture content along with poor dewaterability are the main challenges for sewage sludge treatment and utilization. In this study, the effect of hydrothermal treatment at various temperature (120-200 ËšC) on the properties of sewage sludge derived solid fuel was investigated in the terms of mechanical dewatering character, drying character, calorific value and heavy metal distribution. Hydrothermal treatment (HT) followed by dewatering process significantly reduced moisture content and improved calorific value of sewage sludge with the optimum condition obtained at 140ËšC. No significant alteration of drying characteristic was produced by HT. Heavy metal enrichment in solid particle was found after HT that highlighted the importance of further study regarding heavy metal behavior during combustion. However, it also implied the potential application of HT on sewage sludge for heavy metal removal from wastewater.
Efektifitas Pendidikan Kesehatan Makanan Pendamping ASI (MP-ASI) Terhadap Peningkatan Pengetahuan Ibu Dalam Pencegahan Stunting: Effectiveness of Complementary Food Health Education for Breast Milk (MP-ASI) in Increasing Mother's Knowledge in Stunting Prevention Prabowo, Bayu; Wardani, Ratna
Jurnal Abdi Keperawatan dan Kedokteran Vol 3 No 1 (2024): Jurnal Abdi Kesehatan dan Kedokteran
Publisher : Chakra Brahmanda Lentera Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55018/jakk.v3i1.46

Abstract

Stunting is a syndrome of linear growth failure that can cause disturbances in physical growth, decreased neurodevelopment and cognitive function, as well as an increased risk of chronic diseases in adulthood which can cause morbidity and mortality in children. This study aims to analysed the effectiveness of providing health education regarding MP-ASI to increase mothers' knowledge in preventing stunting in children. Methods: This research uses a pre-experimental method with a one-group pre and post-test design. The population in this study were all mothers who had toddlers under 5 years of age. The sample size was 30 mothers taken using the total sampling technique. The instrument used in this research was a questionnaire on maternal knowledge of stunting. Data were analysed using the Wilcoxon signed rank test, with a significance level of ≤ 0.05. There is a difference in the level of mothers' knowledge about preventing stunting in children under 5 years of age before and after the intervention of providing health education regarding MP-ASI with a value of p= 0.000.
EFEKTIVITAS PEMBELAJARAN DARING DIMASA PANDEMI COVID-19 Azhar, Alfin Agung; Prabowo, Bayu; Nasir, Muhammad; Anisyah Hasibuan, Yuli; Taufiq Azhari, Muhammad
Algebra : Jurnal Pendidikan, Sosial dan Sains Vol 2 No 2 (2022): ALGEBRA : JURNAL PENDIDIKAN, SOSIAL DAN SAINS
Publisher : Yayasan Amanah Nur Aman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58432/algebra.v2i2.397

Abstract

Kehadiran Virus Corona membuat segala aktivitas kita mengalami perubahan rutinitas, termasuk dalam hal pendidikan. Dulu pembelajaran disekolah dilaksanakan secara tatap muka, akan tetapi saat ini kegiatan pembelajaran harus dilakukan secara online. Tujuan penelitian ini adalah untuk mengetahui seberapa besar efektivitas pembelajaran secara daring dimasa pandemi covid 19 bagi siswa/siswi SMA Darussalam Kota Medan. Penelitian ini menggunakan model Kualitatif dengan metode survei dan kuisioner melalui googleform. Responden dari penelitian ini hanya berjumlah 24 siswa/siswi (1 kelas) dikarenakan sedang adanya pelaksanaan Ujian Akhir Semester. Hasil penelitian ini menunjukan bahwa 98% siswa/siswi menginginkan pembelajaran secara tatap muka, sedangkan hanya 2% saja Siswa yang menginginkan pembelajaran daring, sehingga dapat disimpulkan bahwa pembelajaran daring secara terus menerus selama masa pandemi ini kurang efektif. Kata Kunci: Pembelajaran Daring; Covid-19; Siswa.   ABSTRACT       The presence of the Corona Virus has made all our activities experience changes in routine, including in terms of education. In the past, learning in schools was carried out face-to-face, but now learning activities must be carried out online. The purpose of this study was to find out how much effective online learning is during the covid 19 pandemic for Darussalam High School students, Medan City. This study uses a qualitative model with survey methods and questionnaires through google form. Respondents from this study only amounted to 24 students (1 class) due to the implementation of the Semester Final Examination. The results of this study indicate that 98% of students want face-to-face learning, while only 2% of students want online learning, so it can be concluded that continuous online learning during this pandemic is less effective.  Keywords: Online Learning; Covid-19; Students.
PERAWATAN MESIN SUCKER MULLER DI PT. DLH Darsini, Darsini; Prabowo, Bayu
Injection: Indonesian Journal of Vocational Mechanical Engineering Vol 1 No 1 (2021)
Publisher : Pengelola Jurnal Politeknik Negeri Ketapang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58466/injection.v1i1.1348

Abstract

PT. DLH Sukoharjo is a textile industry which is engaged in weaving. Observations were made on the Sucker Muller machine which often experienced jams on the cilynder drier, fan, beam stand and bearings and when the beam rotated it could not maximize production results. especially in the Weaving I section in the Sizing section. The problem that often occurs is the inefficient way of maintaining the sizing machine by the factory, which causes delays in the amount of production. In solving the problem, it is done by treating the muller sucker machine. The preventive maintenance method used for maintenance and repair as well as damage prevention. Based on the analysis, it was found that the Mean Time To Failure (M'I'I'F) of the Sucker Muller engine components was 6.63 hours and the Mean Time To Repair (MTTR) value was 573,531 hours. This can aid production and increase production of frequently damaged or faulty parts.
Co-Authors Anisyah Hasibuan, Yuli Azhar, Alfin Agung Darsini . . Mi Yan, Mi Ratna Wardani Rony, Zahara Tussoleha Taufiq Azhari, Muhammad Wei Chen Yanjun Hu Zhiqiang Jiang, Zhiqiang Zhumin Fang, Zhumin