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Repositori Institusi
Kuyabu na Maria gula = Kuyabu gula Maria
Maria na adalah na mhuka roin yang da bersih. Maria defo epciak polo na ina. Pas dawa sa gamna pe, na ina loa niwe kuyabu ngei du ka supak. Tewa mo Maria na tewa emsuka niwe kuyabu mo. Petu, na ina bina rine Maria loa niwe kuyabu gula merah. Na Rasa ...
Repositori Institusi
Brondolan tu si Thomas = Brondolan untuk Thomas
Buku cerita ini menceritakan tentang sekelompok anak bernama Ceo, Deo, dan Mira yang mengumpulkan Brondolan untuk dijual dan hasil penjualannya akan digunakan untuk membantu temannya Thomas. Mereka akan menceritakan pengalaman mereka ketika mengumpul...
Repositori Institusi
Gayik Mak nyangkar kudai = Teriak Ibu pulang dulu
Nantaa, nyangkar!Tedengagh suaro manggil Nanta. Nanta nuliah ke belakang, tapi nido ado jemo. "Nantaa, nyangkar!" Suaro itu ngulang agi. Nanta belaghi ndampingi Cika ngan Yeris. "Wui, wui, kapo kaba manggilku?" Nanta ngulang nalak...
Repositori Institusi
Pendidikan Singapura di masa pandemic covid-19
Pandemi CORONA-19 telah mengubah berbagai aspekkehidupan. Termasuk dunia pendidikan. Proses belajarmengajar di sekolah/kampus mengalami perubahan pola belajar menjadi school from home/home based learning/online. Hal tersebut tidak hanya dialami oleh ...
Repositori Institusi
Monumen perjuangan di propinsi sulawesi utara
Monumen merupakan benda ataupun bangunan yang me-ngandung nilai. sejarah. Monumen sengaja dibuat untuk tanda atau bukti yang berkaitan dengan sesuatu peristiwa penting ke-sejarahan. aerbagai bangsa di dunia telah membangun mo-numen baik besar maupun ...
Repositori Institusi
Imatibi mo Iguna=Si Asam yang berguna
Adik Ica sedang sakit cacar air. Ica sangat khawatir dengan keadaan Adiknya. Dia mengajak ayahnya untuk membawa Adiknya pergi ke Puskesmas. Namun, mereka tidak mempunyai kendaraan untuk kesana. Puskesmasnya sangat jauh dari kampung. Ica menemukan ide...
Repositori Institusi
I Sa Bisa Mo Tapi Bisa=Tak Ada yang Tak Bisa
Hari itu Nenek Mantehan ingin membuat minyak kayu putih, tetapi Nenek kehabisan daun kayu putihnya. Lalu, Nenek memutuskan untuk pergi mengumpulkan daun minyak kayu putih lagi. Mantehan pun juga ikut membantu sang Nenek. Di ladang Mantehan bertemu de...
Repositori Institusi
KALPATARU Majalah Arkeologi vo. 22 nomor 1
Interaksi Regional dan Cikal Bakal Perdagangan Internasional di Maluku
0/eh: Daud Aris Tanudirjo, Fakultas Ilmu Budaya Universitas Gadjah Mada
Sejarah telah mencatat peran penting Kepulauan Maluku dalam jejaring perdagangan intemasional setidakny...
Jurnal Institusi
Photocatalytic Decolorization Study of Methyl Orange by TiO2–Chitosan Nanocomposites
Indonesian Journal of Chemistry; Vol 14, No 3 (2014); 209-218
The photocatalytic decolorization of methyl orange (MO) by TiO2-chitosan nanocomposite has been studied. This study was started by synthesizing TiO2-chitosan nanocomposites using sol-gel method with various concentrations of Titanium(IV) isopropoxide...
Jurnal Institusi
Photocatalytic and Photoelectrocatalytic Degradation of Methyl Orange Using Graphite/PbTiO3 Composite
Indonesian Journal of Chemistry; Vol 16, No 3 (2016); 347-352
Synthesis of graphite/PbTiO3 composite as a catalyst in photodegradation and photoelectrodegradation process of methyl orange have been conducted. The purposes of this research are to study the effect of radiation time, composition of composite, volt...
Jurnal Institusi
Anionic and Cationic Dyes Removal from Aqueous Solutions by Adsorption onto Synthetic Mg/Al Hydrotalcite-Like Compound
Indonesian Journal of Chemistry; Vol 15, No 3 (2015); 234-241
The current investigation reports an effective adsorption of both anionic species and cationic dyes on Mg/Al hydrotalcite-like compounds (Mg/Al HTlc) synthetic from brine water, as novel, inexpensive available alternative to the commercial hydrotalci...
Jurnal Institusi
Synthesis Methyl Nitrophenyl Acrylate and Cytotoxic Activity Test against P388 Leukemia Cells
Indonesian Journal of Chemistry; Vol 15, No 1 (2015); 70-76
Synthesis of methyl nitrophenyl acrylate via modification of methyl trans-cinnamate had been done to improve its biological activity. The reaction of methyl trans-cinnamate with nitrating agent gave methyl 3-(2-nitrophenyl)acrylate and methyl 3-(4-ni...
Jurnal Institusi
Methylation of Eugenol Using Dimethyl Carbonate and Bentonite as Catalyst
Indonesian Journal of Chemistry; Vol 15, No 3 (2015); 256-262
Eugenol is a compound with a variety of reactive functional groups such as allyl, hydroxy and methoxy. The presence of the functional groups brings eugenol possible to undertake the transformation into various derivative compounds with diverse activi...
Jurnal Institusi
Adsorption Isotherm Studies on Acid Orange-10 Dye Removal using Cerium Dioxide Nanoparticles
Indonesian Journal of Chemistry; Vol 14, No 3 (2014); 226-232
The adsorption capacity of AO-10 from aqueous solution onto CeO2-NPs was investigated under various reaction parameters. Batch mode experiments were conducted to assess the potential of the CeO2-NPs as adsorbent for the removal of AO-10 dye from aque...
Jurnal Institusi
Biodiesel Production from Waste Palm Oil Catalyzed by Hierarchical ZSM-5 Supported Calcium Oxide
Indonesian Journal of Chemistry; Vol 16, No 1 (2016); 98-104
Biodiesel production from waste palm oil catalyzed by hierarchical ZSM-5 supported calcium oxide was studied. The activity of CaO increased after supported on h-ZSM-5 resulting an increase in conversion from 93.17% to 95.40%. A maximum conversion of ...
Jurnal Institusi
Prediction of Student Participation in the Library of the University of Muhammadiyah Malang Based on Social Media Activities Using Decision Tree
Lentera Pustaka: Jurnal Kajian Ilmu Perpustakaan, Informasi dan Kearsipan; Vol 11, No 2 (2025): December; 29-42
Background: Social media has become an effective tool in promoting library services. This study uses the Decision Tree algorithm to predict student participation in the University of Muhammadiyah Malang library based on their social media activities....
Jurnal Institusi
Calcium Oxide from Limestone as Solid Base Catalyst in Transesterification of Reutealis trisperma Oil
Indonesian Journal of Chemistry; Vol 16, No 2 (2016); 208-213
CaO catalysts were synthesized from limestone by thermal decomposition and coprecipitation methods. The CaO and MgO reference catalysts were also synthesized for comparison. The catalysts were characterized by X-ray diffractometer (XRD) and the analy...
Jurnal Institusi
Influences of Temperature on the Conversion of Ammonium Tungstate Pentahydrate to Tungsten Oxide Particles with Controllable Sizes, Crystallinities, and Physical Properties
Indonesian Journal of Chemistry; Vol 16, No 2 (2016); 124-129
The purpose of this study was to investigate influences of temperature on the conversion of ammonium tungstate pentahydrate (ATP) powder to tungsten trioxide (WO3) particles with controllable sizes, crystallinities, and physicochemical properties. In...
PubMed
Photocatalytic Degradation of Methyl Orange over Metalloporphyrins Supported on TiO(2) Degussa P25
Molecules
The photocatalytic activity of meso-tetraphenylporphyrins with different metal centers (Fe, Co, Mn and Cu) adsorbed on TiO(2) (Degussa P25) surface has been investigated by carrying out the photodegradation of methyl orange (MO) under visible and ult...
PubMed
Adsorption and photocatalysis for methyl orange and Cd removal from wastewater using TiO(2)/sewage sludge-based activated carbon nanocomposites
R Soc Open Sci
Nanocomposite TiO(2)/ASS (TiO(2) nanoparticle coated sewage sludge-based activated carbon) was synthesized by the sol-gel method. The changes in surface properties of the TiO(2)/ASS nanocomposite were characterized by X-ray diffraction (XRD), scannin...
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