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All Journal Indonesian Journal of Engineering and Technology (INAJET) Jurnal Pendidikan MIPA
Supardiyono Supardiyono
Universitas Negeri Surabaya
Civil Engineering, Building, Construction & Architecture Computer Science & IT Education Electrical & Electronics Engineering Engineering Mechanical Engineering

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Pengembangan Sterilisator Alat Pelindung Diri (APD) Bagi Tenaga Medis Pasien Covid-19 Berbasis IoT Supardiyono Supardiyono; Pudjijuniarto Pudjijuniarto
Indonesian Journal of Engineering and Technology (INAJET) Vol. 4 No. 1 (2021): September 2021
Publisher : Fakultas Teknik Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/inajet.v4n1.p34-40

Abstract

To avoid the bad possibility of contracting Covid-19, the PPE used by medical personnel must be sterile. Sterilization is carried out to remove all microorganisms attached to PPE when handling Covid-19 patients. The specific purpose of this research is to design and build a personal protective equipment (PPE) sterilizer for Covid-19 patients by combining 3 technologies, namely UV sterilization, ozonation, and heater. The methods used to build personal protective equipment (PPE) sterilizers for medical staff for Covid-19 patients are as follows: 1) Formulating problems related to PPE for medical personnel for Covid-19 patients in hospitals, 2) Determining the method, namely designing PPE sterilizers consisting of: stages: preparation, design, manufacture, assembly, function testing and implementation, 3) adding UV, ozone and heating sterilizers as sterilization units 4) developing chamber units and racks/trays that can be knocked down and designed for automatic models, 5) control PPE sterilization time and temperature control system. Based on the research that has been done, it can be said as follows: 1) All components of the PPE Sterilization Tool work well, 2) The UV lamp used in this tool is a 30W Philips T8 UV lamp with a radiation value of 100 W/cm2, the highest lamp efficiency value at a lamp temperature of 400 C with 100% efficiency., 3) A suitable temperature for sterilization with a UV lamp is in the range from 400 to 800 C, 4) When sterilization is based on a “Dry Heat” temperature, the optimum is in the range of 600 – 800 C.
MoIP-ST: An Instrument to Measure Students’ Problem Solving Skills on Momentum and Impulse Itsna Rona Wahyu Astuti; Ida Kaniawati; Achmad Samsudin; Endi Suhendi; Supardiyono Supardiyono; Andreas Suparman; Rona Hegarna; Rosi Vera
Jurnal Pendidikan MIPA Vol 23, No 4 (2022): Jurnal Pendidikan MIPA
Publisher : FKIP Universitas Lampung

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Abstract

This research aims to develop the MoIP-ST (Momentum and Impulse ProblemSolving Test) instrument to measure students' problem-solving abilities according to the stages of problem-solving skills. The research method used is 4). The research participants were 64 students, consisting of 32 rural and 32 urban 10th-grade students in East Java, who were randomly selected. The first analysis is a multi-rater Rasch measurement based on the results of expert validation, which indicates that item I1 needs improvement. The second analysis is the analysis of the MoIP-ST instrument using the Rasch model, which shows that overall the items on the MoIP-ST are valid and reliable with a Cronbach Alpha of 0.87. The third analysis is the use of the MoIP-ST, which shows that the problem-solving ability of rural students is lower than that of urban students. Student problem-solving needs to be improved through models, methods, learning models, and teaching materials that support problem-solving.Keywords: test instrument, problem solving skills, physics learning.
Co-Authors Achmad Samsudin Andreas Suparman Endi Suhendi Ida Kaniawati Itsna Rona Wahyu Astuti Pudjijuniarto Pudjijuniarto Rona Hegarna Rosi Vera