Browsing Skripsi Sarjana by Title
Now showing items 1-10 of 500
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Adaptabilitas Kemenyan Durame (Styrax benzoin) dan Pinus (Pinus merkusii) pada Tanah Bekas Tambang Emas
(2016)Mining process lead serious process to environment sustainability because of its toxic tailing residue and soil horizon disturbance. One of effort to overcome the soil horizon disturbance problem was revegetation activities. ... -
Adaptabilitas Kemenyan Durame (Styrax benzoin) dan Pinus (Pinus merkusii) pada Tanah Bekas Tambang Emas
(Universitas Sumatera Utara, 2016)Proses penambangan emas mengakibatkan masalah serius terhadap kelestarian lingkungan seperti adanya tailing yang bersifat toksik dan kerusakan horizon tanah. Salah satu upaya yang dapat dilakukan untuk mengatasi permasalahan ... -
Aktivitas Antibakteri Ekstrak Etanol Daun Muda, Daun Tua dan Daun Campuran Gaharu (Aquilaria malaccensis Lamk) Budidaya Terhadap Bakteri Streptococcus mutans
(Universitas Sumatera Utara, 2020)One type of plant which can be used as traditional medicine is agarwood (Aquilaria malaccencis Lamk). Agarwood leaves extract using methanol, ethanol, aquades and chloroform as solvents have antibacterial activity. This ... -
Aktivitas Mikroorganisme di Bawah Tegakan Pinus (Pinus merkusii) dan Eukaliptus (Eucalyptus sp.) Studi Kasus di Daerah Aek Sibundong Kecamatan Dolok Sanggul, Kabupaten Humbang Hasundutan
(Universitas Sumatera Utara, 2019)Soil as a growing medium for plants requires attention to be managed so that sustainability can produce good quality plant products without the presence of fertilizer and soil management. The presence of microbes in the ... -
Akumulasi Logam Berat Tembaga (Cu) dan Timbal (Pb) pada Pohon Avicennia marina Forsk. di Hutan Mangrove Desa Nelayan Kecamatan Medan Labuhan dan Desa Jaring Halus Kecamatan Secanggang
(2014)The purposes of researching is to analyze the content of heavy metals Cu and Pb on roots, leaves, the bark of A. marina and knowing the ability of A. marina in accumulating heavy metals. The sample was located in Nelayan ... -
Analasis Kerugian Ekonomis Serangan Rayap pada Bangunan Rumah Adat di Kecannatan Simanindo Kabupaten Samosir
(Universitas Sumatera Utara, 2019)This study aims to determine the economic losses of termite attacks on traditional house buildings in Simanindo District, Samosir Regency and to find out the species of termites that attack house. The research method ... -
Analisa Kadar Timbal (Pb) pada Rambut Operator SPBU X di Kecamatan Tanjung Morawa Tahun 2019
(Universitas Sumatera Utara, 2019)Technological developments in the transportation sector that are growing rapidly make vehicles’ exhaust emissions increase too. In vehicles fumes, there is one dangerous element, it is lead. Lead (Pb) is a gasoline fuel ... -
Analisa Kadar Timbal (Pb) pada Udara Ambien dan Karakteristik Lingkungan di SPBU X Kecamatan Tanjung Morawa Tahun 2019
(Universitas Sumatera Utara, 2019)The development of transport nowadays is considered to be able to facilitate the work of man. The directly developed means of transportation also increase the volume amount of vehicles on the highway, thus traffic jams ... -
Analisa Kerapatan Pohon Pelindung dan Manajemen Hutan Fakultas Kehutanan Medan 2020 Produksi Kopi Arabika di Kecamatan Bebesen Kabupaten Aceh Tengah
(Universitas Sumatera Utara, 2020)Coffee is a tropical plant that can grow well in most places, except in area that are too high to extremely cold temperatures. Shade plants play an important role in sustainable coffee production systems. Shade in the ...