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All Journal Bioma : Jurnal Biologi Indonesia Journal of Mechanical Engineering and Applied Technology
Muhaimin, Muhamad
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Agriculture, Biological Sciences & Forestry Automotive Engineering Biochemistry, Genetics & Molecular Biology Control & Systems Engineering Engineering Immunology & microbiology Industrial & Manufacturing Engineering Mechanical Engineering

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TINJAUAN KHUSUS KOLEKSI TUMBUHAN BERUSIA TUA DI KEBUN RAYA CIBODAS Muhaimin, Muhamad; Efendi, Muhammad
Bioma Vol. 14 No. 2 (2018): Bioma
Publisher : LPPM Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (666.592 KB) | DOI: 10.21009/Bioma14(2).5

Abstract

ABSTRACT Cibodas Botanical Garden (CBG) is one of the oldest institutions in Indonesia to concern in ex-situ plant conservation and montane plant research. This institution was established since 1852, initiated by introduction of quinine plant (Cinchona calisaya) for the first time in Indonesia. After that, CBG has brought many species of plants to be conserved and then further studied. As an institution that has been established for more than 166 years, CBG have many plants collection that are old or more than 50 years old. However, a study that discuss about old plants collection from CBG has not been widely carried out, even though the study is very important for manage and develop of plant conservation in CBG. Therefore, this paper aims to provide a review about old plants collection in CBG, ranging from about composition of taxa, distribution of collection, habitat origin, conservation status, management collection, and potential development in the future. The results of this paper are expected to further increase the value of the plant collection in CBG and provide guidance for administrator and all stakeholders to develop various potential found in CBG’s plant collection, especially from old plants collection. Keywords: Cibodas Botanical Garden, management collection, old plants collection, potential plants
ANALISA KEBOCORAN FUEL SUPPLY PUMP PADA UNIT EXCAVATOR PC 135F-10M0 DI PT XYZ Marali, Aryati Muhaymin; Muhaimin, Muhamad; Arwin, Arwin; Dwimas, Herdia; Yusrina, Yasmin Zulfati; Ulum, Muhammad Showi Nailul
Journal of Mechanical Engineering and Applied Technology Vol. 3 No. 2 (2025): VOLUME 3 ISSUE 2 YEAR 2025 (JULY 2025)
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/jmeat.v3i2.6662

Abstract

The fuel system utilized in a unit is a crucial system, serving as the fuel supplier to the unit to start the engine. If the engine fails to start, one possible cause is a malfunctioning or damaged component of the fuel system, resulting in the high-pressure fuel not reaching the common rail. Consequently, the fuel is not supplied to the high-pressure common rail, leaving the engine without the required fuel supply. The outcome of this research is to identify and analyze the cause of the fuel supply pump component leakage in the excavator PC 135F-10M0 unit, with symptoms of the return hose to the tank being trapped by a clamp. Careless operation led to a wooden rod protruding into the bottom cover of the unit, puncturing and affecting the clamp on the fuel return hose to the tank.
Co-Authors Arwin Arwin Dwimas, Herdia Marali, Aryati Muhaymin Muhammad Efendi, Muhammad Ulum, Muhammad Showi Nailul Yusrina, Yasmin Zulfati