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Adi Setiyawan
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Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Engineering Environmental Science

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ANALISIS KESEHATAN DAN KESELAMATAN KERJA PADA INDUSTRI FURNITUR KAYU DENGAN METODE JOB SAFETY ANALYSIS Anita Oktaviana Trisna Devi; Adi Setiyawan
JURNAL GAUNG INFORMATIKA Vol 10 No 3 (2017): Jurnal Gaung Informatika Vol.10 No 3 Oktober 2017
Publisher : Universitas Sahid Surakarta

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Abstract

Each production facility has a risk of danger for humans when it is used, it also happens in the production of wood furniture. Therefore, it is necessary to implement occupational health and safety management to reduce the risk of workplace accidents due to the use of production facilities. CV Rimba Sentosa, one of the woodfurniture companies has written accident data as many as 23 accidents in 2016. The figure increased 5-10% compared to the previous year's accident. Based on these facts,research was conducted to identify potential work accidents and control efforts, especially in the sawmill section. The method used in this study is Job Safety Analysis (JSA).The results of data processing show that the potential hazards that can arise due to the sawing process include low back pain, hand scratched saw blades, pollution from diesel engines, wood dust, and electric shock when turning on the engine. Hazard potential control efforts can be divided into two, namely engineering controls and controls. The form of engineering controls that can be done is by giving a wooden push and pulling limit on the bandsaw machine, serkel, and jointer so that thehand is not exposed to the saw blade. The administrative controls that can be done are by using PPE in the form of masks, glasses, shoes, and gloves.
Different Nitrogen and Dolomite Application Influence to Glutamate Content of Citrus Leaves (Citrus hystrix L.) Nunun Barunawati; Elfita Rahma Aulia; Adi Setiyawan
Jurnal Ecosolum Vol. 8 No. 2 (2019): DESEMBER
Publisher : Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (392.969 KB) | DOI: 10.20956/ecosolum.v8i2.7860

Abstract

The extend remobilization of nutrient on crops so far is known well. However, as we assumed that the re-translocation of the particular nutrient as nitrogen has a strong affect to the terpenoid metabolic like citronellol. In many cases, the environment stress such as drought induced volatile compound as citronellol leave in citrus. The aim of experiment is to observe the distribution of citronellol as consequence the distribution of nitrogen on different layer of tree canopy. The method of the research obtain the samples of leaves which were collected from different layer of citrus canopy from 10 samples of trees on each part of field: bottom layer, middle layer and upper layer of canopy. The randomized leaves were collected and analyzed by the HPLC and Spectro-photometer to measure the content of nitrogen and glutamate distribution correlated to citronellol content. The results presents that the closely correlation of distribution of nitrogen between bottom layer, middle layer and upper layer of lemon leaves to produce glutamate and citronellol. The remobilization of nitrogen from bottom leaves content 1.35 ppm followed by middle leaves 1.4 ppm and the highest is the upper leaves is 1.65 ppm. As consequence that the glutamate and citronellol were increase as the same trend as those nutrients distribution. The glutamate seems to be the precursor of the secondary metabolic which was converted into the harvested leaves of citrus. Increasing of 5% glutamate from the upper leaves to the middle leave and the bottom leaves seem to be much accumulated of citronellol content in the bottom leaves. 
Co-Authors Anita Oktaviana Trisna Devi Barunawati, Nunun Elfita Rahma Aulia