Báo cáo vật lý: "Synthesis of Degradable Bio-Composites Based on Recycle Polypropylene Filled with Bamboo Powder Using a Reactive Process" pptx

... Suharty1*, Basuki Wirjosentono2, Maulidan Firdaus1, Desi S. Handayani1, Jamilatus Sholikhah1 and Yuniarni A. Maharani1 1Department of Chemistry, Faculty of Mathematics and Natural ... condition. Increasing of BP concentration up to 20% in masterbatches mixture can extent the interaction among BP, AA and PP. These mean that the above mixture can arise the radical reaction ... cellulose and PP, it needs to modify using acrylic acid (AA) as multifunctional, owning non polar vinyl group and polar carboxylic group.7 The use of AA as a modifier will realize the formation of...

Báo cáo vật lý: "Synthesis of Hydroxyl Radical Scavengers from Benzalacetone and its Derivatives" pot

... decreasing activity as hydroxyl radical scavengers based on the IC50 values are veratralacetone, dicinnamalacetone, diveratralacetone and anisalacetone. No structure-activity relationship can ... anisalacetone, veratralacetone dan cinnamalacetone. Meanwhile, the synthesis using 1:2 acetone:benzaldehyde and its derivatives yielded dibenzalacetone, dianisalacetone, diveratralacetone and ... Department of Chemical Education, Faculty of Mathematics and Natural Sciences, State University of Yogyakarta, Karangmalang, Depok, Yogyakarta 55283, Indonesia *Corresponding author: handayani137uny@yahoo.com...

Báo cáo vật lý: "Effect of Blowing Agent Concentration on Cell Morphology and Impact Properties of Natural Rubber Foam" ppt

... Abstrak: Kandungan sodium bikarbonat sebagai agen pembusaan kimia dipelbagaikan bagi mengkaji kesannya terhadap morfologi dan sifat hentaman busa getah asli. Getah boleh-kembang disediakan ... menggunakan penggiling bergulung dua dan kemudian dibusakan menerusi proses pindahan haba menggunakan pengacuanan mampatan dan oven aliran udara panas. Sifat-sifat fizikal busa getah asli dicirikan ... dan keputusannya boleh dikaitkan secara sistematik dengan sifat hentaman busa. Tenaga penyerapan busa meningkat dengan penurunan ketumpatan sambung silang dan ketumpatan relatif busa, dimana...

Báo cáo vật lý: "Influence of the Silica-to-Surfactant Ratio and the pH of Synthesis on the Characteristics of Mesoporous SBA-15" ppt

... mesoporous material has attracted great attention in the field of catalysis. SBA-15 materials possess high surface areas (600–1,000 m2g–1) and are made up of hexagonal arrays of uniform tubular ... Jaroneic, M., Joo, S. H. & Ryoo, R. (2003). Characterization of regular and plugged SBA-15 silicas by using adsorption and inverse carbon replication and explanation of the plug formation ... the preparation of SBA-15 are hydrolysis-condensation and the aging stage.9,10 However, only a few articles addressing morphological controls of SBA-15-type mesoporous silica are available in...

Báo cáo vật lý: "Synthesis and Characterization of Bismuth Tantalate Binary Materials for Potential Application in Multilayer Ceramic Capacitors (MLCC)" doc

... juga pekali suhu bagi kapasitans (TCC), 0.00022 menyebabkan kesesuaian dijadikan sebagai kapasitor seramik berlapisan (MLCC). Kata kunci: kaedah keadaan pepejal, elektroseramik, pemalar dielektrik, ... gravimetric analysis (TGA). 2. EXPERIMENTAL The BiTaO4 was prepared via conventional solid-state reaction using Bi2O3 (Alfa Aesar, 99.99%) and Ta2O5 (Alfa Aesar, 99.99%) as ... Fasa tunggal bismut tantalat (BiTaO4) telah disintesiskan secara kaedah keadaan pepejal pada suhu 1100oC. Bahan ini berkristal dalam sistem triklinik, kumpulan ruang Pī dengan a = 7.6585...

Báo cáo vật lý: "Synthesis, Characterisation and Catalytic Performance of Porous Nafion Resin/Silica Nanocomposites for Esterification of Lauric Acid and Methanol" potx

... mangkin asid pepejal resin Nafion dengan ciri luas permukaan tinggi silika sebagai penyokong poros. Penjerapan-penyahjerapan gas nitrogen menunjukkan bahawa luas permukaan resin Nafion yang disokong ... Kebangsaan Malaysia, 43600 Bandar Baru Bangi, Selangor, Malaysia. 2Solid State Physics Research Group, Physics Department, Faculty of Science, Universiti Malaya, 50603 Kuala Lumpur, Malaysia. ... acid catalyst properties of Nafion resin with the high surface area characteristic of silica as a porous support. Nitrogen gas adsorption-desorption showed that the surface area of Nafion resin...

Báo cáo vật lý: "Analysis of Trace Elements in Teeth by ICP-MS: Implications for Caries" pptx

... Cd, Ba, Pb and U and significantly lower concentrations of Mn, Co, As, Se, Mo and Bi. In addition, a comparison of the concentrations of trace elements in the pulps of individuals with healthy ... Figure 1: Schematic diagram of a human molar. El-Kanayat City, Egypt is a rural area, and its inhabitants obtain their livelihood from agriculture. In addition, the inhabitants of this city ... skimmer Acquisition mode Peak area Introduction system Desolvation (ARDIUS) Optimisation Maximum ion intensity of 10 ppt of 89Y 2.2 Collection and Preparation of Primary and Permanent...

Báo cáo vật lý: "Decolourisation of Reactive Orange 16 by Activated Carbon and Copper Oxide Catalysts Supported by Activated Carbon" ppsx

... atas AC terubah suai telah dikaji. Peratus penyingkiran warna oleh AC yang diubah suai dengan 12 M asid HNO3 (19%) didapati lebih rendah daripada AC yang diubah suai dengan 4 M dan 8 M asid ... di bawah atmosfera N2, menunjukkan peratus penyingkiran tertinggi (63%) dibandingkan dengan AC terubah suai dan AC terubah suai yang dikenakan rawatan haba. Penyahwarnaan RO16 oleh mangkin ... Decolourisation of Reactive Orange 16 by Activated Carbon and Copper Oxide Catalysts Supported by Activated Carbon Abdul Halim Abdullah1*, Wong Wan Yuan1 and Mohd. Ismail Yaziz2 1Department...

Báo cáo vật lý: "Performance of Carbide Cutting Tool when Machining Cast Iron FC 250 in Dry Condition and Using Cutting Fluid" ppt

... Daripada keputusan tersebut, dapat diperhatikan bahawa jangka hayat mata alat pemotong adalah lama pada kelajuan pemotongan, kadar suapan dan ukur dalam pemotongan yang lebih rendah. Manakala ... peningkatan laju pemesinan, dan had tertinggi laju atau suapan ditemukan dengan keupayaan mata alat pemotong untuk menahan haus. Kadar haus mata alat bergantung kepada bahan mata alat dan bahan ... pemesinan dengan menggunakan berbagai-bagai jenis mata alat pemotong karbida dan memesin di bawah pelbagai keadaan parameter pemesinan telah bersetuju dan menyatakan bahawa jangka hayat mata alat...

Báo cáo vật lý: "Preparation of ZrO2/Al2O3-pillared Saponite and Its Spectroscopic Investigation on NOX Adsorption" pptx

... Terpadu UII, Jl. Kaliurang Km. 14, Yogyakarta, Indonesia 2Chemistry Department, Gadjah Mada University, Sekip Utara, Yogyakarta *Corresponding author: isfatimah@fmipa.uii.ac.id Abstract: ... zirconia formation in the APS matrix. The character of spectra indicates the formation of monoclinic metaphase of zirconia particles. This pattern is in agreement with the XRD pattern in that, although ... RESULTS AND DISCUSSION 3.1 Characterisation of the Prepared Materials The chemical composition and cation exchange capacity (CEC) of APS compared to the raw saponite are presented in Table...

Xem thêm