Báo cáo vật lý: "Synthesis of Hydroxyl Radical Scavengers from Benzalacetone and its Derivatives" pot
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...
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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...
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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. ...
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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...
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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...
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Báo cáo vật lý: "Evaluation of In Vitro Antioxidant Activity of 5H-dibenz[b,f]azepine and Its Analogues" ppt
... damage Evaluation of In Vitro Antioxidant Activity 90 antioxidant activity of 5H-dibenz[b,f]azepine and its derivatives on hoxidation and lipid peroxidation actiuman LDL vity in the liposome ... lipid p activity of the 5H-dibenz[b,f]azepine and its derivatives in the liposoinduced by FeCl3 plus AA, is represented in Figure 2. Compound showed promising ALP activity like AA and BHA in a ... cpresence of the C=O stretching band at 1600 cm–1, whereas in compo(d), the presence of N–H stretching anobserved. In t Evaluation of In Vitro Antioxidant Activity 92 (1996). Lipid . Deshpande,...
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Báo cáo vật lý: "EFFECTS OF Si, Al2O3 AND SiC SUBSTRATES ON THE CHARACTERISTICS OF DBRS STRUCTURE FOR GaN BASED LASER" ppsx
... of Physical Science, Vol. 17(2), 151–159, 2006 151 EFFECTS OF Si, Al2O3 AND SiC SUBSTRATES ON THE CHARACTERISTICS OF DBRS STRUCTURE FOR GaN BASED LASER N.M. Ahmed*, M.R. Hashim and ... number of layers. However, MOVPE process parameters for the GaN on alternative substrates need further optimization to reach the quality of GaN layer grown on different substrates (Si, SiC and ... sapphire influencing the GaN device quality and therefore makes commercialization for the GaN devices difficult. The lattice mismatch between 6H SiC and GaN is only 3.3% but SiC substrate has...
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Báo cáo vật lý: "PREPARATION OF SELENIUM-DOPED ACTIVATED CARBON AND ITS UTILIZATION FOR IMPROVING THE QUALITY OF USED COCONUT OIL" pps
... The MAC (2.5% (w/w) Se /activated carbon) was prepared and can be applied to improve the quality of used coconut oil. Treatment of used coconut oil with MAC was effective in regenerating the ... AC. The pore size determination showed a distribution of 63.88% mesopore and 36.12% micropore. Several key quality indicators of the oil were determined for the used coconut oil before and ... in the range of 0.0%–8.0% is also found.1 The small quantity of the UFA is responsible for the relatively high resistance of the oil to oxidation.2 The UFA easily form peroxides in the...
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Báo cáo vật lý: "FABRICATION OF LOW COST OF ALUMINIUM MATRIX COMPOSITE REINFORCED WITH SILICA SAND" potx
... hardness of aluminium composites decreases. Also, it is noted that the hardness of aluminium matrix composites reinforced with silica sand is higher than those reinforced with commercial silica. ... the higher sintered density accomplished in aluminium matrix composite reinforced with silica sand. Fabrication of Low Cost of Aluminium Matrix Composite 48 reinforcing phases requires careful ... the silica content in aluminium composite. Aluminium matrix composite reinforced with silica sand showed a slightly higher hardness and modulus of fracture compared to the aluminium matrix composite...
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Báo cáo vật lý: "EFFECT OF FIELD STRENGTH IN THE VELOCITY ANISOTROPY OF FERROFLUIDS" pptx
... All the observations are interpreted in terms of grain-grain interaction and grain -field interaction that exist in the system. The field strength is found to enhance the structural formation in ... depending on the evolution of the aggregates with increasing strength of the external magnetic field. 26, 27 Under the effect of an external magnetic field, the particles of the ferrofluid ... to the external field suggests that the grain -field interaction is strong.20 However, the grain-grain interaction is almost the same as the number of grain remains constant and also the...
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Báo cáo vật lý: "LOSS OF STORAGE AREAS DUE TO FUTURE URBANIZATION AT UPPER RAMBAI RIVER AND ITS HYDROLOGICAL IMPACT ON RAMBAI VALLEY, PENANG, PENINSULAR MALAYSIA" pps
... Journal of Physical Science, Vol. 18(2), 59–79, 2007 59 LOSS OF STORAGE AREAS DUE TO FUTURE URBANIZATION AT UPPER RAMBAI RIVER AND ITS HYDROLOGICAL IMPACT ON RAMBAI VALLEY, PENANG, PENINSULAR ... implied that the increase and propagation of peak stages downstream is not proportional (rational) to the percentage of urbanization and loss of storage areas. The impact of urbanization on peak ... stages at each of the sampling points indicated that the increase of peak stages and flows from Permatang Rawa and Ara River sub-basins due to urbanization and storage loss has a greater impact on...
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Báo cáo vật lý: "Synthesis and Characterization of Bismuth Tantalate Binary Materials for Potential Application in Multilayer Ceramic Capacitors (MLCC)" doc
... 53 Synthesis and Characterization of Bismuth Tantalate Binary Materials for Potential Application in Multilayer Ceramic Capacitors (MLCC) K.B. Tan*, F.G. Anna and Z. Zainal Chemistry ... Pellets of single phase sample were prepared using a stainless steel die measuring 8 mm in diameter. Sufficient amount of powder was added, cold pressed uniaxially, and sintered at 1100oC in order ... Synthesis and Characterization of BiTaO4 54 conductors, catalysts, band-pass filters, radio frequency applications and others.1–5 The interesting properties are anticipated at the helm of bismuth...
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Báo cáo vật lý: "Synthesis of Hydroxyl Radical Scavengers from Benzalacetone and its Derivatives" pot
... Antioxidant activity of benzalacetone and its derivatives. Synthesis of Hydroxyl Radical Scavengers 66 Figure 3: Antioxidant activity of dibenzalacetone and its derivatives. From the graphs ... 0 Journal of Physical Science, Vol. 19(2), 61–68, 2008 61 Synthesis of Hydroxyl Radical Scavengers from Benzalacetone and its Derivatives Sri Handayani* and Indyah Sulistyo ... Synthesis of hydroxyl radical scavengers from benzalacetone and its derivatives has been done. Benzalacetone synthesis was done by crossed aldol condensation between benzaldehyde and acetone...
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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...
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Báo cáo vật lý: "Synthesis, Characterisation and Catalytic Performance of Porous Nafion Resin/Silica Nanocomposites for Esterification of Lauric Acid and Methanol" potx
... Journal of Physical Science, Vol. 20(2), 23–36, 2009 23 Synthesis, Characterisation and Catalytic Performance of Porous Nafion Resin/Silica Nanocomposites for Esterification of Lauric Acid and ... Catalytic Performance (%) Catalytic Performance (%) Synthesis, Characterisation and Catalytic Performance 34 Table 4: Influence of the molar ratio of methanol :lauric acid, R, on the esterification ... (▼) of methyl laurate from the esterification of lauric acid and methanol as a function of (a) Nafion resin and (b) Nafion resin load in the NR/S nanocomposite. Nafio resin (wt%) Amount of Nafion...
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Từ khóa: mẫu báo cáo vật lý 7mẫu báo cáo vật lý 9mẫu báo cáo vật lý 6 bài 12mẫu báo cáo vật lý lớp 9mẫu báo cáo vật lý 9 bài 15mẫu báo cáo vật lý lớp 6Nghiên cứu sự biến đổi một số cytokin ở bệnh nhân xơ cứng bì hệ thốngBáo cáo quy trình mua hàng CT CP Công Nghệ NPVNghiên cứu tổ hợp chất chỉ điểm sinh học vWF, VCAM 1, MCP 1, d dimer trong chẩn đoán và tiên lượng nhồi máu não cấpNghiên cứu vật liệu biến hóa (metamaterials) hấp thụ sóng điện tử ở vùng tần số THzNghiên cứu tổ chức chạy tàu hàng cố định theo thời gian trên đường sắt việt namđề thi thử THPTQG 2019 toán THPT chuyên thái bình lần 2 có lời giảiGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitĐỒ ÁN NGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWANPhát triển du lịch bền vững trên cơ sở bảo vệ môi trường tự nhiên vịnh hạ longThơ nôm tứ tuyệt trào phúng hồ xuân hươngSở hữu ruộng đất và kinh tế nông nghiệp châu ôn (lạng sơn) nửa đầu thế kỷ XIXChuong 2 nhận dạng rui roKiểm sát việc giải quyết tố giác, tin báo về tội phạm và kiến nghị khởi tố theo pháp luật tố tụng hình sự Việt Nam từ thực tiễn tỉnh Bình Định (Luận văn thạc sĩ)BT Tieng anh 6 UNIT 2Tăng trưởng tín dụng hộ sản xuất nông nghiệp tại Ngân hàng Nông nghiệp và Phát triển nông thôn Việt Nam chi nhánh tỉnh Bắc Giang (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 15: Tiêu hóa ở động vậtchuong 1 tong quan quan tri rui roBÀI HOÀN CHỈNH TỔNG QUAN VỀ MẠNG XÃ HỘIHIỆU QUẢ CỦA MÔ HÌNH XỬ LÝ BÙN HOẠT TÍNH BẰNG KIỀMMÔN TRUYỀN THÔNG MARKETING TÍCH HỢP