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All Journal Machine : Jurnal Teknik Mesin Masker Medika
Aris Toteles
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Automotive Engineering Environmental Science Health Professions Mechanical Engineering Nursing Public Health

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ANALISIS MATERIAL KONTRUKSI CHASIS MOBIL LISTRIK LAKSAMANA V2 MENGGUNAKAN SOFTWARE AUTODESK INVENTOR Aris Toteles
Machine : Jurnal Teknik Mesin Vol 7 No 1 (2021): Machine : Jurnal Teknik Mesin
Publisher : Jurusan Teknik Mesin Fakultas Teknik Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jm.v7i1.1931

Abstract

This study aims to obtain a lighter and stronger construction material for the construction of the Admiral V2 electric car chassis. By using the Autodesk Inventor Pro 2020 software computation system with the Finite Element Analysis method. The analysis process was carried out in the Mechanical Engineering Design and Design lab at the Bengkalis State Polytechnic campus. Modeling is done by measuring the construction dimensions of the Admiral V2 electric car chassis. By analyzing the strength of the construction and varying the materials with the three materials used, namely stainless steel, 6061 aluminum and carbon steel. The results showed that carbon steel has a mass of 27.2494 kg with a construction strength of 77.3 Mpa stress, 3744 x10-4 strain, 1.5 mm displacement and a safety factor of 1.54.
PENGARUH LAMA PEMBENDUNGAN TERHADAP KADAR HEMATOKRIT PADA PENGAMBILAN DARAH VENA Aris Toteles
Masker Medika Vol 10 No 2 (2022): Masker Medika
Publisher : IKesT Muhammadiyah Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52523/maskermedika.v10i2.487

Abstract

Hematocrit is an examination to determine the ratio of erythrocytes to blood volume or erythrocyte volume in 100 ml of blood, which is set in %. In taking blood volume, the installation of a tourniquet on blood collection can affect the results of the examination of several laboratory parameters. In the laboratory, a tourniquet is used before taking venous blood in order to make the blood vessels appear dilated and protruding so that the puncture site can be determined easily. The purpose of this study was to determine the effect of holding time on blood sampling on hematocrit levels using the normal time of 1 minute and holding time of 1 minute. This type of cross-sectional research was conducted at the Hematology Laboratory of the Muhammadiyah Palembang Institute of Health Sciences and Technology. The population is 34 students of DIV TLM Study Program. The results showed that the average blood hematocrit level with a sample of holding time <1 minute was 9.79 mg/dL, while the average blood hematocrit level with a sample of holding time >1 minute was 10.11 mg/dL. The average difference between samples and the length of time they hold is 0.32 mg/dL. Data analysis using unpaired test obtained p value = 0.000. The conclusion from this study is that damming for more than 1 minute can affect hematocrit levels higher than holding under 1 minute.
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