Browsing Doctoral Dissertations by Title
Now showing items 1-10 of 102
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Adhesi Penguat Serbuk PULP Tandan Kosong Sawit Teresterifikasi dengan Matriks Poletilena
(Universitas Sumatera Utara, 2009)Pulp Tandan kosong sawit (TKS) yang berasal dari limbah tandan kosong sawit mengandung lignoselulosa yang cukup tinggi dapat dimanfaatkan sebagai penguat komposit Polietilena (PE). Namun adhesi antara pulp TKS di dalam ... -
Adsorpsi dan Desorpsi Karotenoida dari Minyak Sawit Mentah (Crude Palm Oil/CPO) Menggunakan Adsorben Garam M-Amberlit Ir 120 dan Garam M-Polistirena Sulfonat (m= na, mg, ca, sr dan ba)
(Universitas Sumatera Utara, 2014)Have performed the synthesis of 2 (two) types of adsorbents M-Amberlite salt (M-Am) and Mpolistiril sulfonate salt (M-PSS), M = Na, Mg, Ca, Sr, and Ba. M-Am prepared by reacting Na- Am with chloride salts of magnesium, ... -
Analisa Degradasi Oksidasi Karet Alam Siklis (Resiprene-35) Akibat Penyimpanan, Pemanasan dan Sinar Ultraviolet
(Universitas Sumatera Utara, 2016)Research on analysis oxidative degradation and stabilization of cyclic natural rubber (resipren-35) using wax commercial antioxidants, BHT, and Wingstay has been conducted. Properties of physics as a result of treatment ... -
Analisis Biomolekuler dan Sifat Patogenesitas Ganoderma Terhadap Penyakit Busuk Pangkal Batang pada Tanaman Kelapa Sawit (Elaeis Guinensis)
(Universitas Sumatera Utara, 2008)Biomolekuler analysis and photogenesity test of Ganoderma, causal agent of basal stem rot (BSR) disease on oil palm (Elaeis Guinensis) have been carried out. The identification and characterization were preceded by ... -
Analisis Cannabinoid dari Rambut Pengguna Narkotika Jenis Ganja (Cannabis sativa L.) Menggunakan Teknik GCMS
(Universitas Sumatera Utara, 2016)Analysis of cannabinoids in hair of marijuana (Cannabis saliva L) can be done using samples of urine, blood and hair. This study used hair because the inspection can be performed after 72 hours of use by the user, this ... -
Analisis Kadar Metamfetamin dalam Rambut Pengguna Sabu-Sabu Menggunakan Metode Kolom Ekstraksi dengan Nanobentonit Alam Sebagai Adsorben dan Gas Chromatography Mass Spectrometry (GCMS)
(Universitas Sumatera Utara, 2020)Analisis metamfetamin pada rambut pengguna narkotika jenis sabu- sabu dapat dilakukan dengan menggunakan sampel urine, darah dan rambut. Penelitian ini menggunakan sampel rambut karena pemeriksaaan dapat dilakukan setelah ... -
Asap Cair Cangkang Kelapa Sawit sebagai Pengawet dan Jaringan Semi Interpenetrasi Polimer pada Kayu Kelapa Sawit
(Universitas Sumatera Utara, 2007)This research aim to improve the properties of palm oil wood by used liquid smoke from palm shell pyrolysis and formed semi-interpenetrating polymer network by used toluene diisosianat as active monomer with in situ ... -
Bentonit Alam Terpilar sebagai Material Katalis/ Co-Katalis Pembuatan Gas Hidrogen dan Oksigen dari Air
(Universitas Sumatera Utara, 2007)Bentonite obtanained from Kecamatan Padang Tualang, Kabupaten Langkat was a Na–bentonite. This bentonite was saturated with 1 M NaCl solution for 1 day to enrich the Na–bentonite. Then the Na–bentonite was activated by ... -
Bioaktivitas Fraksi Etil Asetat dan Aktivitas Antidiabetes Senyawa Fenolik dari Daun Sirih (Piper betle L.)
(Universitas Sumatera Utara, 2019)This research studied the bioactivities of ethyl acetate fraction of methanol extract of betel leaves and antidiabetic activities of phenolic compounds from betel leaves. The extraction was done by macerating the betel ... -
Campuran Limbah Padat Organik dan Anorganik Pulp Sebagai Bahan Pengisi Mikrokomposit Termoplastik Poliolefin
(Universitas Sumatera Utara, 2010)This research is aimed to investigate pulp solid waste (PSW) potency as filler in polipropylene mikrocomposites. PP/LPP microcomposites are made by adding PSW particle come from waste pulp process PT. Toba Pulp Lestari ...