PUBLIKASI PENELITIAN

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2008 Spatial distribution of trace metals (Pb, Cr, Cu and Zn) in sediments of the Berau Delta, East Kalimantan and their accumulation in benthic biota Zainal Arifin & T. A. Koesmawati Berau delta is a coastal ecosystem where man-made activities are relatively low. The present study has investigated spatial distribution of b, Cr, Cu and Zn in sediments and their implication to benthic biota. The result of our study showed that metal concentrations varied from undetected to 55.5 mg/kg for Pb, and from 3.28 to 22.90 mg/kg for Cu, while for Cr and Zn vary from 9.65 to 64.67 mg/kg and 10.00 to 1,200 mg/kg, respectively. The concentration of Pb, Cu, Cr and Zn in Anadara sp were 7.53, 4.92, 1.44 and 97.87 mg/kg dw, respectively. On the other hand, the… Lihat
2008 Perangkat Lunak Antar Muka Pada Sistem Pengolah Limbah Air Iwan Muhammad Erwin Sistem pengolah limbah air yang kami buat adalah skala prototip. Sistem ini terdiri dari modul masukan analog, modul masukan dijital, modul keluaran relai, beberapa sensor kualitas air, pompa air, motor pengaduk, katup selonoid dan sensor tinggi muka air, serta komputer. Di sistem ini komputer berfungsi antara lain : mengendalikan kerja tiap-tiap modul, menerima dan menampilkan hasil pengukuran dari sensor, merekam dan menyajikan data. Dengan kata lain fungsi komputer di sini untuk melakukan pengendalian sistem secara keseluruhan agar tujuan pengolahan limbah air tercapai. Agar tujuan pengendalian tercapai maka algoritma dan metode pengendalian diwujudkan dalam sebuah perangkat lunak antar muka. Metode yang… Lihat
2008 Evaluasi Keragaman Genetik Sorgum Manis Pada Mutan Generasi Ke-2 Hasil Iradiasi Gamma Muhammad Imam Surya dan Soeranto Hoeman Induced mutation using Gamma irradiation in sweet sorghum has been done to increase plant genetic variability in breeding program. Mutation breeding using gamma irradiation in sweet sorghum was aimed at improving the quality of sweet sorghum. This initial research was conducted to evaluate genetic variability after Gamma irradiation on sorghum growth in M2 generation. Plant materials consisted of 2 sweet sorghum lines introduced from ICRISAT namely line No. 79 and No. 83. Non-saccharin sorghum of local variety Higari was used as a control. The doses of Gamma irradiation were 0, 100, 200, 300, 400, 500, 600, 700, 800, 900, and… Lihat
2008 Field emission properties of high-energy milled MWNTs Nono Darsono, Parlindungan Yonathan, Dang-Hyok Yoon, Jaemyung Kim, Yoonjin Kim, Seoung Uk Park Multiwall carbon nantubes were high energy milled for 2 hours in texanol after a polycarboxylic acid polymeric dispersant had been added in order to enhance the dispersion. the degree of MWNT dispersion was significantly enhanced by high energy milling compared to intact,... Lihat
2008 PENGENALAN FAST GROWING SPECIES Laily Mukaromah dan Sugeng Budiharta One of Indonesian regions that should be concerned is dry area that has multiplicated agro-ecosystem condition. Land management of this area must consider the principles of soil and water conservation in order to avoid land degradation, moreover species degradation. Planting of fast growing species is one of efforts to conserve soil and water. The objective of this research was to introduce fast growing species of Fabaceae (legume family) of Purwodadi Botanic Garden collection as a potential dry area plant based on Mean Annual Increment/MAI of height, diameter and volume of 73 spesies. Those species are Albizia acle Merr., Acacia tortilis… Lihat
2008 Pengaruh LiClO4 pada konduktifitas komposit keramik Bambang Prihandoko, Joko Triwibowo ffdfdfdfdfdfdfd Lihat
2008 KEMISKINAN DAN PEMISKINAN GLOBAL Sukarna Wiranta, Firmansyah, Hari Susanto, Jiwa Sarana, Joko Suryanto, Masyhuri, Teddy Lesmana, Toerdin S. Usman Pengertian kemiskinan dapat dikelompokkan minimal dalam 3 (tiga) bentuk yaitu kemiskinan struktural, kultural dan kemiskinan absolut. Kemiskinan struktural adalah struktur yang membuat orang menjadi miskin akibat masyarakat tidak dilibatkan dalam pengambilan keputusan dan tidak mendapatkan akses secara baik. Kemiskinan kultural adalah budaya yang membuat orang miskin dan kemiskinan absolut adalah jumlah orang miskin akibat berbaagai kebijakan pemerintah serta akibat kemiskinaan struktural. Kemiskinan dan Pemiskinan Global yaitu kemiskinan yang disebabkan oleh globalisasi sebagai akibat dari pasar bebas aatau ulah negaraa maju. Sementara Pemiskinan dan Kemiskinan System Nilai lebih bersifat normatif yaitu lebih memperhatikan keinginan dari pada kebutuhan akibat perilaku yang hedonis.… Lihat
2008 A Simple Mechanism for Focused Web-harvesting Z. Akbar and L.T. Handoko The focused web-harvesting is deployed to realize an automated and comprehensive index databases as an alternative way for virtual topical data integration. The web-harvesting has been implemented and extended by not only specifying the targeted URLs, but also predefining human-edited harvesting parameters to improve the speed and accuracy. The harvesting parameter set comprises three main components. First, the depth-scale of being harvested final pages containing desired information counted from the first page at the targeted URLs. Secondly, the focus-point number to determine the exact box containing relevant information. Lastly, the combination of keywords to recognize encountered hyperlinks of relevant images… Lihat
2008 Komputasi Sains : Peranannya dalam Aktifitas Penelitian Modern L.T. Handoko Dibahas ulang definisi dan perkembangan komputasi sains di berbagai bidang kajian riset, baik secara global maupun di Indonesia. Pembahasan difokuskan pada bagaimana komputasi sains berperan penting dalam membangun model matematis dari aneka fenomena alam, serta memberikan teknik-teknik untuk mendapatkan solusinya secara numerik. Diberikan pula beberapa contoh kajian yang telah dilakukan : teknik gauge kisi untuk fisika energi tinggi, pemanenan data untuk manajemen informasi, sainsmetri untuk indikator kinerja dan ekonomi, serta pengembangan perangkat dan layanan pendukung komputasi kinerja tinggi. Diberikan pula topik-topik yang memiliki nilai strategis untuk dikembangkan di Indonesia sesuai kebutuhan lokal yang ada, namun dengan mempertimbangkan kecenderungan ilmiah global.… Lihat
2008 Modulation of Rat Cecal Microbiota by Administration of Raffinose and Encapsulated Bifidobacterium breve Achmad Dinoto et al. To investigate the effects of administration of raffinose and encapsulated Bifidobacterium breve JCM 1192T cells on the rat cecal microbiota, in a preclinical synbiotic study groups of male WKAH/Hkm Slc rats were fed for 3 weeks with four different test diets: basal diet (group BD), basal diet supplemented with raffinose (group RAF), basal diet supplemented with encapsulated B. breve (group CB), and basal diet supplemented with both raffinose and encapsulated B. breve (group RCB). The bacterial populations in cecal samples were determined by fluorescence in situ hybridization (FISH) and terminal restriction fragment length polymorphism (T-RFLP). B. breve cells were detected… Lihat