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All Journal LONTAR Jurnal Teknik Mesin Undana (LJTMU ) Haumeni Journal of Education
Basri K
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Education Mechanical Engineering

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Makna Sosial Pesta Sekolah Dalam Masyarakat Manggarai di Flores Malkisedek Taneo; Fransiskus Bustan; Basri K
Haumeni Journal of Education Vol 2 No 1 (2022): Edisi Juni 2022
Publisher : Universitas Nusa Cendana

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Abstract

Makalah ini menjelaskan makna sosial dari pesta sekolah, sebuah pesta khusus yang dirancang untuk mengumpulkan uang untuk mendukung keberhasilan pendidikan bagi anak-anak, di masyarakat Manggarai. Kajian ini dilihat dari teori pendidikan dan budaya ditinjau dari perspektif sosial. Penelitian ini bersifat deskriptif. Makna sosial pesta sekolah dalam masyarakat Manggarai diwujudkan dalam proses perencanaan, tindakan, dan evaluasi yang ditandai dengan kehadiran banyak orang sebagai peserta dengan peran yang berbeda-beda. Makna sosial dari pesta sekolah juga ditunjukan dengan makan bersama sebagai sarana rekonsiliasi di antara mereka
Pengaruh Penggunaan Bahan Bakar Biodisel Berbasis Biji Buah Nyamplung (Calophyllum Inophyllum) Terhadap Emisi Gas Buang Mesin Diesel. Pieter Y Persulesy; Basri K; Edy Suprapto
LONTAR Jurnal Teknik Mesin Undana (LJTMU ) Vol 9 No 01 (2022): April 2022
Publisher : Jurusan Teknik Mesin, Fakultas Sains dan Teknik, Universitas Nusa Cendana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.1234/.v9i01.6295

Abstract

One of the energy sources used as a substitute for diesel is biodiesel, which is an energy source made from plants and animals. One of the plant species that can be developed for biodiesel in Indonesia is the Nyamplung tree (Calophyllum inophyllum). The purpose of this study was to determine the effect of using biodiesel fuel based on nyamplung fruit seed oil (Calophyllum Inophyllum) on exhaust gas emissions of CO, CO2, NOx, O2, and diesel engine opacity. The study used a non-factorial Randomized Block Design (RAK) basic pattern which was repeated 3 times, including: X1 : Pure Diesel (100%), X2 : Mixture of Diesel and 50% Biodiesel (B50), X3 : 100% Biodiesel (B100), Y : Exhaust Emissions (CO, CO2, NOx, O2 and Opacity). From the analysis of variance, it was found that the use of nyamplung seed biodiesel fuel on exhaust gas emissions of CO, CO2, NOx, O2, and Opacity had a significant effect on the 1% and 5% levels in the treatment and had no significant effect on the test group. Then it can be said that the use of biodiesel can reduce exhaust emissions.
Co-Authors Edy Suprapto FRANSISKUS BUSTAN Malkisesdek Taneo Pieter Y Persulesy