Browsing Faculty of Mathematics and Natural Sciences by Issue Date
Now showing items 101-120 of 471
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Aktivitas harian monyet hitam sulawesi (Macaca nigra) di cagar alam Tangkoko-Batuangus, Sulawesi Utara
(2006)This study was conducted on Rambo II group at Tangkoko-Batuangus Natural Presenrvation, North Sulawesi, from January to February 2004. Data were collected using scan sampling with two minute interval. The result showed ... -
Traffic Light Strategies in Optimizing the Traffic Flow
(2006)The behavior of traffic system controlled by traffic lights on a single lane is presented using the optimal velocity model. The effect of differrent traffic light control strategies on the traffic flow is discussed using ... -
Kinerja fenil α-naftilamina pada penghambatan oksidasi ester poligliserol-estolida asam oleat
(2006)Ester poligliserol-estolida (PGE) dari asam oleat merupakan bahan biodegradabel yang sedang dikembangkan sebagai alternatif minyak pelumas. Penelitian ini mengkaji kinerja fenil α-naftilamina (PNA) sebagai antioksidan pada ... -
Workshop flash & supporting programs
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Fraksinasi dan karakterisasi senyawa aktif dari bangle (Zingiber cassumunar roxb.) sebagai aktivator enzim kolesterol oksidase
(2006)Bangle adalah salah satu rimpang yang biasanya digunakan sebagai campuran obat trad&onal sebagai pelangsing dan penurun kotesterol. Khasiat ganda sebagai petangsing dan penurun kotesterol (eksfrak kasar steroid) telab ... -
Pendugaan Model Aditif untuk Data Deret Waktu dengan Pendekatan Model Linear Campuran
(2006)Additive model is generalization of multiple regression that expresses the mean of a reponse variable which is modeled as a sum of junctional form of predictors. Standard methods of additve models assume that errors are ... -
Metode klasifikasi berstruktur pohon dengan algoritma Cruise, Quest, dan Chaid
(2006)Metode klasifikasi berstruktur pohon mulai banyak digunakan di berbagai bidang terutama karena hasilnya yang mudah diinterpretasikan. Tulisan ini mengangkat CRUISE sebagai metode pohon klasifikasi yang relatif baru, serta ... -
Kriging Dan Thin-Plate Spline Dengan Pendeka Tan Model Linear Campuran
(2006)Kriging is a procedure for spatial prediction at an unobserved location. This techllique can be viewed as all estimation of respon surface on spatial correlated data. Beside kriging, thin-plate spline is often used for ... -
Analisis limpasan permukaan dengan sistem informasi geografis untuk mendukung penentuan indikator kuantitatif fungsi hidrologi DAS Cicatih
(2006)The urban growth has proven gives a significant effect on the hydrological watershed function, Information about the impact on the water resource in such watershed could be spatially quantified using GIS tool. The response ... -
In vitro activity of xanthorrhizol against Streptococcus mutans biofilms
(2006)Aims: We determined the effect of xanthorrhizol (XTZ) purified from the rhizome of Curcuma xanthorrhiza Roxb. on the Streptococcus mutans biofilms in vitro. Methods and Results: The biofilms of S. mutans at different phases ... -
Keanekaragaman genetik rayap tanah genus Coptotermes (Isoptera: Rhinitermitidae) di pulau Jawa
(2006)Subterranean termite Coptotermes spp. has been known as the most economically important structural pest in Indonesia. Due to morphological ambiguity, traditional identification of Coptotermes spp. has always been difficult ... -
Kajian Awal Potensi Bengle (Zingiber purpureum Roxb.) Sebagai Hepatoprotektor
(2006)Bengle (Zingiber purpureum Roxb ) termasuk Famili Zingiberaceae . Tanaman ini telah di ekstrak dengan air dan etanol 30% Hasil ekstraksi (berdasarkan berat kering) menggunakan air diperoleh rendemen 19,06% sedangkan dengan ... -
Penapisan Ekstrak Daging Buah Picung (Pangium edule Reinw) Sebagai Insektisida Botani Terhadap Plutella xylostella.
(2006)Plutella xylostella is the most damaging pest in cabbage production. This pest was controlled by synthetic insecticides. If this application was done continually with high spraying dose, it can generate negative impact to ... -
Analisis beban pencemaran dan kapasitas asimilasi serta penyusunan strategi pengelolaan Perairan Teluk Kendari
(2006)Teluk Kendari has been polluted by several contaminates. This condition needs the development of territorial strategic management. The objectives of this research were 1) to detennine the contamination burden in the river ... -
The exploration of the potency of ftir spectroscopy and chemometrics for extract bioactivity prediction and rapid analysis of bioactive content of medicinal plants
(2006)An infrared spectra is a characteristic representation for a chemistry system. There are many researches have been conducted for the interpretation supported by chemometric method which aimed for metabolite fingerprinting. ... -
Struktur dan komposis pohon pada berbagai tingkat gangguan hutan di gunung Salak, Jawa Barat
(2007)Structure and composition of tree play a very important role in maintaining forest ecology function. Disturbed to forest will cause change to the sructure and composition of vegetation. This research aimed to study structure ... -
Inhibisi Senyawa Aktif dari Biji Mahoni (Swietenia mahagoni Jacq) sebagai Uji Anti Kanker
(2007)Telah diketahui bahwa mahoni merupakan salah satu tumbuhan yang banyak dikenal dan dibudidayakan di Indonesia. Kayu mahoni daun kecil (Swietenia mahagoni Jacq) dipergunakan untuk venir dekoratif, kayu lapis, mebel, panil, ... -
Kriopreservasi T Anaman Purwoceng (Pimpinella Pruatjan Molk.) Dengan Teknik Vitriflkasi
(2007)Pruatjan (PimpineJ/a pruatjan Molk.) is an Indonesian endangered medicinal plant that included in Appendix I based on CITES. Therefore it is a highly protected species. To avoid extinction of this plant, it is very important ... -
Pendugaan Parameter Regresi Logistik Dengan Jaringan Syaraf Tiruan
(2007)Logistic regression can be mapped equivalent to artificial neural network (ANN) without hidden layer with logistic as activation junction, hence logistic regression is subset of ANN The result study on binary and poly-chotolnous ...