Báo cáo vật lý: " WEAR MECHANISM OF TiN, TiAlN AND TiCN COATED DRILLS DURING DRILLING OF CARBON STEEL" pptx

Báo cáo khoa học: Chick embryo anchored alkaline phosphatase and mineralization process in vitro Influence of Ca 2+ and nature of substrates doc

... and methods.Ó FEBS 2003 Bone GPI-bALP, roles in mineralization (Eur. J. Biochem. 270) 2087 Chick embryo anchored alkaline phosphatase and mineralization process in vitro In uence of Ca 2+ and ... substrates aﬀecting the nucleation process or producing inhibitors of the mineralization. Keywords: anchored bone alkaline phosphatase; minerali-zation; Ca 2+ ; hydroxyapatite. Alkaline phosphatase ... C.G., Aubin, J.E. & Heersche, J.N.R. (1991) Initiation and progression in mineralization of bone nodules formed in vitro: the role of alkaline phosphatase and organic phosphate. BoneMineral...

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

... Trace Elements in Teeth: Implication for Caries 2 teeth has been suggested as being indicative of Pb toxicity.5,9 Here, we have investigated the importance of the location of trace elements ... carious teeth than in those with healthy teeth. Keywords: ICP-MS, teeth, trace elements, caries, teeth pulps 1. INTRODUCTION Biomonitoring of trace elements in human teeth has become ... elements in the teeth have been previously demonstrated.1 Trace elements can be ingested by humans via different routes, including ingestion in the food and water or by deliberate consumption of...

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

... available in the literature.10,11 It is reported that the ratio of the silica source to the surfactant ratio and the pH of the synthesis gel can greatly influence the characteristics of the resulting ... amounts of C1– ions. Therefore, for the partial dehydration of PEO units, the volume of the hydrophilic part of the micelle decreases. This leads to an increase in the hydrophobic region or ... materials as they generally control the formation of micelles during the synthesis. 8 Hence, many aspects of the synthesis processes are involved in developing these porous materials, and they still...

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

... structure of RO16 dye. Journal of Physical Science, Vol. 21(2), 29–40, 2010 29 Decolourisation of Reactive Orange 16 by Activated Carbon and Copper Oxide Catalysts Supported by Activated ... Decolourisation of Reactive Orange 16 (RO16) dye by HNO3-modified activated carbons (ACs) and a copper oxide catalyst supported by modified AC (Cu-Ac) were investigated. The percentage of colour ... the effect of HNO3-modified AC and its corresponding Cu -supported catalyst on the decolourisation of Reactive Orange 16 (RO16) dye. The chemical structure of RO16 dye is shown in Figure 1. ...

Báo cáo vật lý: "Flexural and Morphological Properties of Epoxy/Glass Fibre/SilaneTreated Organo-montmorillonite Composites Nor Hamidah Mohd" potx

... mechanical properties and fracture behaviour of nanocomposites and carbon fibre composites (CFRPs) that contained organoclay in the E matrix. Bozkurt et al.4 reported that the flexural properties of ... morphological properties of epoxy/glass fiber composites. Polym. Int., 56(4), 512–517. 8. Chow, W. S. (2007). Water absorption of epoxy/glass fiber/organo-montmorillonite nanocomposites. eXPRESS ... tensile strength Epoxy/Glass Fibre/Silane-Treated Organo-montmorillonite 46 3.2 Flexural Properties The effects of silane-treated OMMT loading on the flexural modulus of E/GF composites are...

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

... Pemotong (Performance of Carbide Cutting Tool when Machining Cast Iron FC 250 in Dry Condition and Using Cutting Fluid) Jaharah A. Ghani*, Mohd Noor Azmi Mohd Rodzi, Noordin Ibrahim dan Che ... above. In dry machining, wear mechanisms were caused by adhesion and micro-attrition at low combination of machining parameters. While at high combination of machining parameters, the cutting ... cast iron FC 250 in dry conditions and when using the cutting fluid has been carried out with emphasis on mechanisms of wear experienced by the cutting edge. In addition, the effects of other...

Báo cáo vật lý: "Selective Oxygenation and Plant-Growth Regulatory Activity of Sesquiterpene Lactones" pot

... structure of compound 7. Journal of Physical Science, Vol. 21(2), 99–107, 2010 99 Selective Oxygenation and Plant-Growth Regulatory Activity of Sesquiterpene Lactones Sabir Hussain* and ... Lett., 39(31), 5655–5658. Oxygenation and Plant-Growth Regulatory Activity 102 showed IR bands (CHCl3) at 3500, 1760, 1669, 1455, 920, and 862 cm–1 and 1H NMR signals (CDCl3, ... mp, IR and NMR of the authentic samples. Compound 9 showed IR bands at 1780 cm–1 due to the presence of δ-lactone, bands at 3540 cm–1 due to the hydroxyl group and bands at 1755 and 1640...

Báo cáo vật lý: "Electrochemical Studies of Mild Steel Corrosion Inhibition in Aqueous Solution by Uncaria gambir Extract" doc

... Electrochemical Studies of Mild Steel Corrosion Inhibition 8 Table 4: Corrosion parameters for mild steel in aqueous solution with absence and presence of various pH of 150 ppm ethyl acetate extracts of ... Electrochemical Studies of Mild Steel Corrosion Inhibition 6  Figure 1: The relation between percentage of inhibition with concentration of ethyl acetate extract of U. gambir. Conc. (ppm) Inhibition ... inhibitive effect of ethyl acetate extract of U. gambir as a green corrosion inhibitor of mild steel in aqueous solution. The assessment of the corrosion behaviour was studied using weight loss...

Báo cáo vật lý: "Protonation and Complexation Approaches for Production of Protic Eutectic Ionic Liquids" ppsx

... processes for commercial and inexpensive ILs and can therefore be used for industrial application. Production of Protic Eutectic Ionic Liquids 16 reserved for ionic melts with melting points ... modification of cellulose in ionic liquids. J. Mol. Liq., 142, 1–5. Journal of Physical Science, Vol. 21(1), 15–28, 2010 15 Protonation and Complexation Approaches for Production of Protic Eutectic ... 1168–1178. Production of Protic Eutectic Ionic Liquids 24 Table 6: PEILs melting points as determined from DSC data for 1:2 molar ratio of hydrochloride salt:urea and 1:1 molar ratio of hydrochloride...

... persamaan untuk menggantikan hubungan jenis Arrhenius telah diterbitkan. Ini adalah kerana pemalar tenaga keaktifan daripada persamaan itu bukan dalam bentuk asas. Persamaan baru ini mengekalkan ... sifat asal tenaga keaktifan dan kelikatan pada suhu tidak terhingga, dan ia merangkumi pemalar baru, iaitu kelikatan pada suhu sifar. Nisbah kelikatan pada suhu sifar dan kelikatan pada suhu ... tidak terhingga merupakan nilai asas untuk pemalar tenaga keaktifan. Model ini telah diuji dengan enam minyak sayur-sayuran dan kejituannya terbukti (R kuasa dua, 0.999). Kestabilan kelikatan...

Báo cáo vật lý: "The Kinetics and Mechanism of the Core-shell Styrene-butyl Acrylate Polymerisation" pdf

... experimentally and estimates of the emulsion polymerisation mechanism of synthesis for the obtained core and shell. The determination of the polymerisation reaction kinetics of the styrene core and butyl ... is the polymerisation rate of the styrene core, and k is the rate reaction constant in the formation of the styrene core. 3.4 Mechanism of Reaction in the Formation of the Styrene Core The ... in their quantitative experiment, and the Harkins5 micellar theory is the basis of the theory for emulsion polymerisation kinetics. Smith and Ewart6 found Core-shell Styrene-butyl Acrylate...

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

... adsorption bands corresponding to the saponite structure are identified in the region of 1012.69 cm–1 and 661 cm–1 as the vibrations of the tetrahedral and octahedral sheet. The band at ... ZrO2/Al2O3-pillared Saponite and Its Spectroscopic Investigation on NOX Adsorption Is Fatimah1*, Karna Wijaya2 and Narsito2 1Chemistry Department, Islamic University of Indonesia, Kampus ... adsorption of NOx on all samples occurs through disproportionation, leading to the formation of nitrous acid, H2O molecules, nitro species and anionic nitrosyls, NO–. It corresponds to some of...

Báo cáo vật lý: "A Perspective of Oil Palm and Its Wastes" doc

... A Perspective of Oil Palm and Its Waste 74 Fresh fruit bunches (FFB)Sterilisation and stripping Digestion, clarification and pressing Palm oil Empty fruit bunches (EFB) Fresh fruits Palm ... discharge of the effluents.27 The total A Perspective of Oil Palm and Its Waste 72 providing competitive prices on oil palm, the liberalisation of export duties and the encouragement of counter-trades ... world crude oil demand. 3. UTILISATION OF OIL PALM WASTES The use of oil palm biomass other than the palm oil leads to increased efficiency as more energy is obtained from oil palm plantations....

Báo cáo vật lý: " WEAR MECHANISM OF TiN, TiAlN AND TiCN COATED DRILLS DURING DRILLING OF CARBON STEEL" pptx

... throughout the drilling performance test. Wear Mechanism of TiN, TiAIN and TiCN Coated Drills 76 mechanism develops during drilling of TiCN, TiN and TiAlN coated drills on the medium carbon ... composed of ferum Journal of Physical Science, Vol. 18(1), 75–85, 2007 75 WEAR MECHANISM OF TiN, TiAlN AND TiCN COATED DRILLS DURING DRILLING OF CARBON STEEL R.J. Talib*, M.R.M. Toff and ... stage of drilling, it was observed that a complex mixture of wear mechanism of abrasion and adhesion were taken during drilling process. Then, the wear mechanism changed to a complex mechanism...

Báo cáo vật lý: "Electrical Conductivity of Chlorophyll with Polythiophene Thin Film on Indium Tin Oxide as P-N Heterojunction Solar Cell" ppsx

... layered on Indium Tin Oxide (ITO) substrate as p-n heterojunction solar cell. PT thin film is deposited to the ITO substrate by using electrochemistry method. CHLO thin film is coated on PT thin film ... CHLO, kekonduksian elektrik dalam gelap Electrical Conductivity of Chlorophyll 86 showed that electrical conductivity of the PT thin films increase with the increasing of the CHLO thin film thickness ... *Corresponding author: hasiah@umt.edu.my Abstract: This work was focused on the study of electrical conductivity to the combination of Polythiophene (PT) thin film and Chlorophyll (CHLO) thin film...

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