Browsing Faculty of Mathematics and Natural Sciences by Issue Date
Now showing items 41-60 of 471
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Environmental benefits and sustainable land-usc options in the Jambi transect, Sumatra
(2002)Loss of Environmental services provided by forests is a non-linear process in jambi province, sumatera, indonesia. -
Uji In Vivo Saponin Tanaman Akar Kuning (Arcangelisia flava (L.) Merr) Sebagai Hepatoprotektor
(2002)According to in vivo studies on secondary metabolites of albutra (akar kuning plant, Arcangelisia flava (L) Merr), saponins extract without alkaloids showed a hepatoprotector activity. The best extracting solvent was mixture ... -
Produksi Biomasa Dan Nilai Kalor Kayu Acacia nilotica Asal Limbah Cair Tropika
(2002)A Total of 6 fungi isolates of growing at PH 9 and 2 isolated from cassava starch liquid waste. Two isolates having the highest amylolytic index were identified as Aspergillus sydowii K10 and A. versicolor L30 were described ... -
Penerapan regresi logistik pada masalah corpora te farming
(2002)The government declared a program which known as Corporate Farming to Increase the income of tea far men with small land This program is dealed to collect resources or farmer (land money, and marketing) and then manage by ... -
Restrictions on the weight distribution of quaternary linear codes
(2002)This paper describes some nonexistence results for quaternary linear codes. The standard linear program is strengthened with constraints from the weight distribution of binary Reed-Muller codes. -
Produksi dan karakterisasi protease Citrobacter sp. Galur BKL-1 dari saluran pencernaan ikan kerapu lumpur (Epinephelus tauvina)
(2003)Nineteen hacteria. were isolated from digestive tract of Epinephelus tauvina and screened for their ability to produce protease. The largest clear zone was recorded for BKL-1 isolate. BKL-1 isolate was ... -
Design and Application of a New Cryptic-Plasmid-Based Shuttle Vector for Magnetospirillum magneticum
(2003)A 3.7-kb cryptic plasmid designated pMGT was found in Magnetospirillum magneticum MGT-1. It was characterized and used for the development of an improved expression system in strain AMB-1 through the construction of a ... -
Characterization of aldehyde ferredoxin oxidoreductase gene defective mutant in Magnetospirillum magneticum AMB-1
(2003)A non-magnetic mutant of Magnetospirillum magneticum AMB-1, designated as NMA21, was generated by mini-Tn5 transposon mutagenesis to identify genes involved in bacterial magnetic particle (BMP) synthesis. Alignment of the ... -
Daya erap inceptisols brebes terhadap logam berat cadium (Cd) dan serapannya pada tanamam indikator bawang merah
(2003)Untuk mengatasi kemungkinan terjadinya pencemaran Cd dalam tanah dan tanaman pada masa yang akan datang, telah dilaksanakan penelitian di laboratorium dan rumah rumah kaca Pusat Penelitian dan Pengembangan Tanah dan ... -
Analysis of Expressed Sequence Tag Loci on Wheat Chromosome Group 4
(2003)A total of 1918 loci, detected by the hybridization of 938 expressed sequence tag unigenes (ESTs) from 26 Triticeae cDNA libraries, were mapped to wheat (Triticum aestivum L.) homoeologous group 4 chromosomes using a set ... -
Study of Non-Orthogonal Laguerre-L2 Method for Helium Atom
(2003)We present a technique for describing solutions of the helium atom by using the non-orthogonal Laguerre-L2 basis functions. The frozen-core approximation is used to calculate the helium energies. The completeness of helium ... -
Evapoclimatonomy modelling of four restoration stages following Krakatau’s 1883 destruction
(2003)Botanists have established that plant recolonization on Krakatau Island (6°S, 106°E) following the August 1883 eruption occurred in four distinct stages: (1) 1883–1886: bare rocks and sterile ash and pumice desert, (2) ... -
sejarah perkembangan statistika dan aplikasinya
(2003)Statistika diawali sebagai ilmu mengumpulkan angka (data). Pada abad 17 statistika deskriptif mulai berkembang, begitu juga ilmu peluang yang awalnya dilahirkan dan meja judi sudah mulai muncul. ilmu peluang ini melandasi ... -
Isolasi dan karakterisasi amilase dari kapang alkalotoleran asal limbah cair tapioka
(2003)a total of 6 fungi of growing at pH 9 and 2 isolates on pH 10 with amylolytic indexes of 0.07-1.42 have been isolated from cassava strach liquid waste. -
Penerapan Model Nonlinear Pls Dengan Jaringan Sy Araf Tiruan Dalam Kalibrasi
(2003)Metode NNPLS (Neural Network Partial Least Square) meropakan gobungan ontara PLS dengorl jaringan syaraf tiruan, yaitu menggunakan janngon syarat untuk model hubungan intenal pada PLS. Sehingga metode ini dapat mengatasi ... -
Cloning, DNA Sequence, and Expression of Aeromonas caviae WS7b Chitinase Gene
(2003)A chitinase-producing bacterium, designated WS7b, was isolated from a soil sample obtained from a black-pepper plantation on Bangka Island, Indonesia. Fatty-acid methyl-ester analysis indicated that the isolate was Aeron~onas ... -
Molecular Identification of Genes Involved in Magnetosome Synthesis in Magnetospirillum magneticum AMB-1
(2003)Satu mutan Magnetospirillum magneticum AMB-1 yang tidak bersifat magnetik, yang didesain NMA41, dikonstruksi melalui mutagenesis dengan transposon Mini-Tn5Km1 untuk mengidentifikasi gen yang terlibat dalam sintesis magnetosom. ... -
Siderophore production of a periplasmic transport binding protein kinase gene defective mutant of Magnetospirillum magneticum AMB-1
(2004)A non-magnetic mutant, NMA61, of the magnetic bacterium Magnetospirillum magneticum AMB-1 was generated by transposon mutagenesis to identify genes involved in magnetosome synthesis. The genomic region of NMA61 interrupted ...