Master Theses
Master Theses
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Now showing items 41-60 of 261
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Distribusi Altitudinal Suku Arecaeae di Kawasan Hutang Gunung Sinabung Kabupaten Karo Sumatera Utara
(Universitas Sumatera Utara, 2008)A study on Distribution altitudinal Arecaceae in Mount Sinabung forest were conducted in January to Maret 2008. Sampling area was settled by using porpusive sampling method, and divided to six location based on their ... -
Organogenesis dari Kelapa Sawit Asal Eksplan Tunas Pucuk (Apical Bud)
(Universitas Sumatera Utara, 2014)The purpose of this research is to find out explants apical bud from oil palm of different position which are apex, middle, and basal segment, were cultured in Y3 medium suplemented with 2,4-D in the presence of activated ... -
Keanekaragaman dan Kelimpahan Ikan Serta Keterkaitannya dengan Kualitas Perairan d Danau Toba
(Universitas Sumatera Utara, 2008)The diversity and abundance of fish and the relation with the physical and chemical in Lake Toba, has been analyzed in January 2008 - April 2008. In order to determine sample location is using "Purpose Random Sampling" and ... -
Studi Ekotaksonomi Anggrek Tanah di Sekitar Danau di Taman Wisata Alam Sicikeh-cikeh Kabupaten Dairi Sumatera Utara
(Universitas Sumatera Utara, 2009)A study on Ecotaksonomy of Ground Orchid (Terrestrial Orchid) at Sicikeh- cikeh Natural Park Dairi North of Sumatera Utara were conducted in October 2008 to February 2009. Sampling area was settled by using purposive ... -
Toksonomi dan Distribusi Haramonting (Rhodomyrtus tomentosa Aiton) di Sumatera Utara Bagian Selatan
(Universitas Sumatera Utara, 2015)The research about morphology and distribution of haramonting (Rhodomyrtus tomentosa) was carried out in December 2013- August 2014 in Southern area Of Sumatera Utara Province. Study location are Labuhan Batu ... -
Efek Proteksi Kitosan Terhadap Lambung dan Limpa Tikus Putih (Rattus norvegicus) yang dipapar Plumbum Asetat
(Universitas Sumatera Utara, 2013)The plumbum pollution is one of environment pollution in every country. The plumbum in the body will affect to the spleen and gastric. Chitosan’ is an antioxidant that can reduce or absorb heavy metals, so the purpose ... -
Keanekaragaman dan Potensi Regenerasi Hutan Aek Nauli Kabupaten Simalungun
(Universitas Sumatera Utara, 2011)This study aimed to know the structure of vegetation and potency in reforesting the Aek Nauli Forest of Simalungun. The research was conducted in January 2011 with compartment line. It was found 36 families and 106 sorts ... -
Studi Taksonomi Nepenthes di Sumatera Utara
(Universitas Sumatera Utara, 2011)Taxonomic study of Nepenthes in North Sumatera has been studied from February until August 2011 using survey method and anatomical variation was studied using simple scraping technique method There are 32 species of ... -
Penapisan Bakteri Laut Penghasil Antimikroba dari Pesisir Serdang Bedagai
(Universitas Sumatera Utara, 2011)Screening of marine bacteria producing antimicrobial was done. Thirty-six potential isolates shown antimicrobial activity inhibition zone around colony. Antagonistic assay showed that three isolates SB5, B03 and B04 ... -
Akumulasi Timbal (Pb) dan Keanekaragaman Jenis Lichenes di Taman Kota Medan
(Universitas Sumatera Utara, 2010)Accumulation of lead (Pb) on Lichenes thalus influenced by differences in the count of motor vehicles and physical factors inherent in the garden city of Medan. The aim of the study is to examine factors affecting the ... -
Keanekaragaman Nepenthes di Hutan Wisata Alam Taman Eden Seratus Desa Lumbun Rang Kecamatan Lumban Julu Kabupaten Toba Samosir
(Universitas Sumatera Utara, 2009)This research aims to know types of Nepenthes the in area of Gardens forests Eden Kabupaten Toba Samosir. This research has been executed in December 2008 until Februari 2009. Research location determined by using Method ... -
Kenekaragaman Tumbuhan Berkhasiat Obat di Hutan Taman Wisata Alam Deleng Lancuk Kabupaten Karo Sumatera Utara
(Universitas Sumatera Utara, 2008)Diversity of Panacea Plants of National Park Forest of Deleng Lancuk of Karo Regency, North Sumatra under consultation of both Prof. Dr. Retno Widhiastuti, MS. as the coordinator and Prof. Dr. Ing. Temala Alexander ... -
Pengaruh Ekstrak Metanol Biji Pare (Momordica charantia L.) dan Depo Medroksi Progesteron Asetat Terhadap Kadar Gula Darah, Libido dan Jumlah Anak Tikus Putih Jantan Putih
(Universitas Sumatera Utara, 2015)The extract methanol of seed bitter melon (Momordica charantia L.) combined with Depot Medroxy Progesterone Acetate (DMP A) is one alternative to the expected safe and reversible male contraceptive agent. This study aims ... -
Kepadatan, Pola Distribusi dan Pola Pertumbuhan Udang Putih (Penaeus Merguiensis De Man) di Perairan Estuari Suaka Margasatwa Karang Gading Kabupaten Deli Serdang
(Universitas Sumatera Utara, 2022)Research on the density, distribution pattern and growth pattern of white shrimp (Penaeus merguiensis de Man) in the Estuary Waters of the Karang Gading Wildlife Reserve, Deli Serdang Regency was carried out from June to ... -
Aktivitas Biosurfaktan Bakteri Filosfer Tanaman Berlapis Lilin
(Universitas Sumatera Utara, 2022)Using compound hydrocarbon oil earth as the source of energy cause vulnerable contamination compound it in the environment. To remove contamination the required compounds that can lower the voltage surface. Biosurfactant ... -
Variasi Morfologi Kepundung (Baccaurea recemosa Muell. Arg) di Sumatera Utara Bagian Selatan
(Universitas Sumatera Utara, 2016)The research about morfological and ecological variation of kepundung in southern North Sumatera had been carried out in order to get the data about morphological and ecological kepundung in North Sumatera from December ... -
Pemanfaatan Mikroorganisme Lokal (MOL) Buah Pepaya (Carica Papaya) dalam Meningkatkan Pertumbuhan Tanaman Padi (Oryza Sativa L.)
(Universitas Sumatera Utara, 2022)MOL (Local Microorganisms) derived from natural ingredients such as papaya fruit that is almost rotten can be used as biological fertilizer to increase the growth of rice plants. This study aims to determine the population ... -
Skrining dan Optimasi Kemampuan Jamur Endofit Tanaman Serai (Cymbopogon Nardus) Menghasilkan Senyawa Lovastatin
(Universitas Sumatera Utara, 2022)Several types of fungi are known to be able to produce lovastatin that can be used as cholesterol-lowering drugs so that they can reduce the risk caused by high cholesterol levels in the blood. This study aimed to obtain ... -
Keanekaragaman Makrozoobentos Sebagai Bioindikator Kualitas Air di Aliran Sungai Bilah Rantauprapat
(Universitas Sumatera Utara, 2012)Sungai bilah is lhe largest river is of rantauprapat labuhanbatu North Sumatra Province and is located right in the densely populated urban areas. There are so many community activities that take place such as the Baths, ... -
Keanekaragaman Makrozobentos sebagai Bioindikator Perairan Sungai Batang Toru Kabupaten Tapanuli Selatan
(Universitas Sumatera Utara, 2011)Batang toru river is one of the largest river in the South Tapanuli, with a length of 69.32 km. Downstream, the current beach ends into the sea after the first split the water into the lake Siais, where as upstream Batang ...
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