synthesis of ti sba 15 by impregnation method
Tổng hợp đặc trưng tính chất của hệ vật liệu ti MCM 22 ti MCM 41 ti SBA 15 trong phản ứng oxi hóa α pinen và etyl oleat
... gián tiếp (“posts nthesis”) Ti-SBA-15 với tỷ ệ Ti/Si=0,01; 0,03 97 Đặc trưng vật iệu Ti-SBA-15 .98 3.4 Phản ứng o i h a - inen tr n úc tác Ti-MCM-22, Ti-MCM-41 Ti-SBA-15 ... copolime hữu u ú ầ -MCM-41, SBA-15 th Ti m ng cho th ng dung dịch H2O2 3.3 ặc trưng củ vật iệu Ti-SBA-15 ì 18 Ph XRD m u SBA-15 SBA-15 v i t l k u (Ti/Si=0,01;0,03) SBA18 15(0,03) u ki n b T tc u ... ( =0 A-15(0,03) ỏ xu t hi n (IV) m ng, qu 250 u u Ti-SBA-15 (0,03) xu t hi c nhỏ ì 200 -SBA-15(0,03) ( u v t li u mao qu M ủ t qu ì 21 Ph DR-UV-Vis Ti-SBA-15(0,01) -SBA15(0,03) Qu -SBA-15(0,01...
Ngày tải lên: 10/03/2021, 14:31
Báo cáo vật lý: "Influence of the Silica-to-Surfactant Ratio and the pH of Synthesis on the Characteristics of Mesoporous SBA-15" ppt
... between SBA-15 formation and the synthesis conditions The images of SBA-15 samples synthesised at a TEOS/TCP ratio of 3.15 showed more cavities compared to those synthesised with a TEOS/TCP ratio of ... condensation of the silica network, causing failure in the formation of the Si-O-Si network Keywords: mesoporous, SBA-15, TEOS/TCP ratio, pH, characteristics Abstrak: Silika mesoliang SBA-15 telah ... supports.8 Because of the variety of practical uses, the fabrication of the desired morphologies of mesoporous silica is as important as the control of its internal structure and porosity SBA-15 can be...
Ngày tải lên: 07/08/2014, 14:20
Tổng hợp, đặc trưng tính chất của hệ vật liệu Ti-MCM-22, Ti-MCM-41, Ti-SBA-15 trong phản ứng oxi hóa α-pinen và etyl oleat
... phân bố kích thước mao quản Hình 28 nh chụp TEM mẫu SBA-15(a) Ti-SBA-15(0,01) Ti-SBA15(0,03) (b c) Hình 29 Phổ DR-UV-Vis Ti-SBA-15(0,01) Ti-SBA-15(0,03) Hình ph ng cấu tạo phân tử -pinen Hình ... gián tiếp (“posts nthesis”) Ti-SBA-15 với tỷ ệ Ti/Si=0,01; 0,03 97 Đặc trưng vật iệu Ti-SBA-15 .98 3.4 Phản ứng o i h a - inen tr n úc tác Ti-MCM-22, Ti-MCM-41 Ti-SBA-15 ... TEM Ti-MCM-41 với tỷ lệ khác Ti/Si = 0,005 (a); 0,01 (b); 0,03(c) Hình 26 Phổ XRD mẫu SBA-15 Ti-SBA-15 với t lệ Ti/Si khác (Ti/Si=0,01;0,03) Hình 27.a Giản đồ hấp phụ đẳng nhiệt N2 Ti-SBA-15 Hình...
Ngày tải lên: 31/03/2015, 15:48
STUDY ON LATTICE AND ELECTRONIC STRUCTURES AT THE SURFACE OF BATIO3 THIN FILMS BY DFT METHOD
... polarization orientation in BaTiO3 nanowires [13] They estimated the shell thickness of a nanowire with diameter of 120 nm to be 10 nm In this paper, we introduce our ab initio investigation on BaTiO3 ... perturbation methods (MPn), quadratic configuration interaction methods (QCI), coupled cluster methods (CC), Brueckner doubles methods (BD) These methods make some improvements in calculation but ... the titanium positive ions STUDY ON LATTICE AND ELECTRONIC STRUCTURES AT THE SURFACE OF 213 Table Lattice reconstruction parameters of BaTiO3 films due to the surface relaxation Film A Lattice...
Ngày tải lên: 30/10/2015, 19:59
Tóm tắt luận án Tiến sĩ Hóa học: Tổng hợp, đặc trưng tính chất của hệ vật liệu Ti-MCM-22, Ti-MCM-41, Ti-SBA-15 trong phản ứng oxi hóa α-Pinen Và Etyl Oleat
... trúc gần Ti-MCM-41, SBA-15 Ti mạng cho thấy độ bền cao môi trường dung dịch H2O2 3.3.2 Đặc trưng vật liệu Ti-SBA-15 Hình 3.18 Phổ XRD mẫu SBA-15 TiSBASBA-15 với tỉ lệ 15(0,03) Ti/Si khác (Ti/Si=0,01;0,03) ... mol mao quản [nm] [m /g] mặt SBA-15 Ti-SBA- SBA-15 535.12 8,56 15với tỷ lệ 330.06 56 SBA-15(0,01) Ti/Si khác màu đen phần titan oxit với kích thước nhỏ hình thành SBA-15(0,03) 429.90 9,5 mao quản ... 3.21 Phổ DR-UV-Vis Ti-SBA-15(0,01) Ti-SBA15(0,03) 200 Độ hấp thụ 250 300 350 Ti/Si Ti/STi=0, = 0,01 01 Ti/Si=0,03 phụ đẳng nhiệt cho theo bảng 3.6 Diện tích bề mặt Ti-SBA-15 nằm khoảng 330-535...
Ngày tải lên: 08/01/2020, 07:03
Tóm tắt luận án Tiến sĩ Hóa học: Tổng hợp, đặc trưng tính chất của hệ vật liệu Ti-MCM-22, Ti-MCM-41, Ti-SBA-15 trong phản ứng oxi hóa α-Pinen Và Etyl Oleat
... trúc gần Ti-MCM-41, SBA-15 Ti mạng cho thấy độ bền cao môi trường dung dịch H2O2 3.3.2 Đặc trưng vật liệu Ti-SBA-15 Hình 3.18 Phổ XRD mẫu SBA-15 TiSBASBA-15 với tỉ lệ 15(0,03) Ti/Si khác (Ti/Si=0,01;0,03) ... mol mao quản [nm] [m /g] mặt SBA-15 Ti-SBA- SBA-15 535.12 8,56 15với tỷ lệ 330.06 56 SBA-15(0,01) Ti/Si khác màu đen phần titan oxit với kích thước nhỏ hình thành SBA-15(0,03) 429.90 9,5 mao quản ... 3.21 Phổ DR-UV-Vis Ti-SBA-15(0,01) Ti-SBA15(0,03) 200 Độ hấp thụ 250 300 350 Ti/Si Ti/STi=0, = 0,01 01 Ti/Si=0,03 phụ đẳng nhiệt cho theo bảng 3.6 Diện tích bề mặt Ti-SBA-15 nằm khoảng 330-535...
Ngày tải lên: 10/01/2020, 21:49
Synthesis of MOS2/Graphene nanocomposite by facile ultrasonic-assisted hydrothermalmethod
... 2p3/2 of pristine MoS2, respectively, which is consistent with previous reports [38, 39] Based on the XPS investigation, the formation of MoS2/graphene nanocomposite and the extent of reduction of ... Xiang Q., Yu J and Jaroniec M – Synergetic effect of MoS2 and graphene as cocatalysts for enhanced photocatalytic H2 production activity of TiO2 nanoparticles, J Am Chem Soc 134 (2012) 6575–6578 ... refinement of MoS when increasing reaction time [32] The restacked structure would lead to a dramatic decrease of specific surface area of MoS2, which is unfavorable for wide applications The...
Ngày tải lên: 13/01/2020, 08:58
Tổng hợp, đặc trưng tính chất của hệ vật liệu ti MCM 22, ti MCM 41, ti SBA 15 trong phản ứng oxi hóa α pinen và etyl oleat
... gián tiếp (“posts nthesis”) Ti-SBA-15 với tỷ ệ Ti/Si=0,01; 0,03 97 Đặc trưng vật iệu Ti-SBA-15 .98 3.4 Phản ứng o i h a - inen tr n úc tác Ti-MCM-22, Ti-MCM-41 Ti-SBA-15 ... copolime hữu u ú ầ -MCM-41, SBA-15 th Ti m ng cho th ng dung dịch H2O2 3.3 ặc trưng củ vật iệu Ti-SBA-15 ì 18 Ph XRD m u SBA-15 SBA-15 v i t l k u (Ti/Si=0,01;0,03) SBA18 15(0,03) u ki n b T tc u ... ( =0 A-15(0,03) ỏ xu t hi n (IV) m ng, qu 250 u u Ti-SBA-15 (0,03) xu t hi c nhỏ ì 200 -SBA-15(0,03) ( u v t li u mao qu M ủ t qu ì 21 Ph DR-UV-Vis Ti-SBA-15(0,01) -SBA15(0,03) Qu -SBA-15(0,01...
Ngày tải lên: 16/03/2020, 23:11
Biogenic synthesis of silver nanoparticles mediated by acinetobacter indicus and its biomedical applications
... regulating agent in the formation of silver nanoparticles Synthesis, formation and stability of nanoparticles are determined using UV-Vis spectroscopy Excitation of SPV leads to the formation of ... Positive -Acid IMVIC Indole Methyl Red Voges Proskauer Citrate Negative Positive Positive Negative Enzyme Reaction Urease Production Catalase Activity Oxidase Coagulase Negative Positive Negative ... accelerating voltage of 120 kV and methanol as solvent (Tharanya et al., 2015) Results and Discussion Antibacterial activity: Synthesis of Silver Nanoparticle Antibacterial activity of biosynthesized...
Ngày tải lên: 17/03/2020, 20:11
Performance improvement of tio2 catalysts supported on adsorbents
... Ti- SBA- 15 by co-precipitation method 75 3.2.4 Synthesis of Ti- SBA- 15 by impregnation method …………….……76 3.2.5 Synthesis of silica microspheres………………….……………………76 3.2.6 Synthesis of SiO2/TiO2 ... Ti- SBA- 15( 0.009), (c) Ti- SBA- 15( 0.023), (d) Ti- SBA- 15( 0.09), (e) Ti- SBA- 15( 0.33), and (f) anatase TiO2 Figure 6.4 29 Figure 6.5 UV-Vis spectra of (a) pure silica SBA- 15, (b) Ti- SBA- 15( 0.003), (c) TiSBA -15( 0.009), ... and (g) TiO2 anatase Figure 6.7 FESEM images of pure SBA- 15 (a), Ti- SBA- 15( 0.038) (b), Ti- SBA1 5(0.09) (c), and Ti- SBA- 15( 0.13) (d) Figure 6.8 TEM images of (a) pure SBA- 15, (b) Ti- SBA- 15( 0.009),...
Ngày tải lên: 12/09/2015, 08:20
báo cáo hóa học:" Health related quality of life of Iranian children with type 1 diabetes: reliability and validity of the Persian version of the PedsQL Generic Core Scales and Diabetes Module" pot
... imposes restrictions on physical, emotional and social functioning of children and adolescents One of the international tools for assessment of HRQOL of children is the Pediatric Quality of Life Inventory ... health Emotional functioning Social functioning School functioning Parent proxy-report Physical health Emotional functioning Social functioning School functioning PedsQLTM 3.0 Diabetic Module ... approved among the general population and in children with attention deficit/hyperactivity disorder (ADHD) [15- 16], the psychometric properties of this questionnaire are still unknown in Iranian children...
Ngày tải lên: 20/06/2014, 15:20
Báo cáo y học: "Characterization and modeling of the Haemophilus influenzae core and supragenomes based on the complete genomic sequences of Rd and 12 clinical nontypeable strain" potx
... Hi3655 Hogg et al PittAA 155 9 151 312 159 8 232 273 158 4 118 287 156 8 267 303 1710 109 161 54 PittAA PittEE 155 3 157 133 158 9 241 97 1646 56 40 12 157 2 263 114 158 1 238 105 158 1 290 105 PittEE http://genomebiology.com/2007/8/6/R103 ... PittHH 157 1 139 212 159 1 239 192 159 4 108 189 1627 208 156 1611 208 172 1612 259 171 158 5 101 198 158 1 198 202 PittHH PittII 156 7 143 311 1692 138 186 157 1 131 307 1816 19 62 46 157 6 243 302 158 2 ... Strain 86028 No of genes 156 5 145 RD 265 86028 R2846 156 4 146 138 158 4 246 118 R2846 R2866 157 6 134 259 1686 144 149 157 8 124 257 R2866 Hi3655 156 7 143 252 159 4 236 225 158 6 116 233 158 1 254 238...
Ngày tải lên: 14/08/2014, 07:21
Báo cáo vật lý: "The Kinetics and Mechanism of the Core-shell Styrene-butyl Acrylate Polymerisation" pdf
... formation of sulfate radicals in this initiation step is really fast, such that the rate of radical formation is the same as the rate of chain initiation As a result, the equation of initiation ... Polymerisation 40 the connection equation of the number of particles or polymerisation rates as a function of surfactant and initiator concentrations.2,5,6 The other theory for emulsion polymer reaction ... log of the initial SLS concentration 3.3 The Reaction Order of APS The rate of initiator decomposition is equal to the rate of radical absorption into the micelles Therefore, during the nucleation...
Ngày tải lên: 07/08/2014, 14:20
Organic phase fabrication of core shell materials for the encapsulation of biomolecules
... incubation of niPA or niPA conjugated with a dye (FITC or TRITC), inclusive of washing steps, results in the fabrication of shells consisting of distinct coloured striated layers Permutation of ... OF FIGURES Figure 2.1 Optical micrograph of a colloidosome Image was obtained by a 3D reconstruction process of a series of optical micrographs (Cayre et al., 2004, Reproduced by permission of ... encapsulation of biomolecules in an organic solvent i & ii) Deprotonation of cationic and protonation of the anionic polyelectrolyte and dissolution in an organic solvent iii) Preparation of a suspension...
Ngày tải lên: 11/09/2015, 10:15
Tài liệu Báo cáo khoa học: Evidence that the assembly of the yeast cytochrome bc1 complex involves the formation of a large core structure in the inner mitochondrial membrane pdf
... Cleavage of structural proteins during the assembly of the head of bacteriophage T4 Nature 227, 680–685 Bradford MM (1976) A rapid and sensitive method for the quantitation of microgram quantities of ... for the preparation and ligation of DNA fragments, for the transformation of Escherichia coli and for the isolation of plasmid DNA from bacterial cells [51] Other yeast genetic methods used have ... evolution of this kind of structural organization is represented by the ‘respiratory string’ model [20] In addition, a surprising interaction between the respiratory supercomplex, made up of the...
Ngày tải lên: 18/02/2014, 08:20
Báo cáo khoa học: Mapping of the functional phosphate groups in the catalytic core of deoxyribozyme 10–23 potx
... substantial loss of activity, and that the introduction of the PS bond at the P1 and P8 sites stimulated catalytic activity, provided us with a starting point for the creation of variants of deoxyribozyme ... acceleration of the ribose 2¢-hydroxyl group deprotonation, stabilization of a negative charge that may develop on the nonbridging oxygen in a transition state, and ⁄ or stabilization of the negative ... introduction of a PS bond at the P1 site of deoxyribozyme 10–23 causes about three-fold stimulation of the cleavage rate, irrespective of the metal ion used, demonstrates that chemical modifications of...
Ngày tải lên: 07/03/2014, 10:20
Báo cáo khoa học: The Saccharomyces cerevisiae orthologue of the human protein phosphatase 4 core regulatory subunit R2 confers resistance to the anticancer drug cisplatin pot
... Hastie et al Resistance to cisplatin A Fig (A) Investigation of the effects of the cisplatin sensitivity of Saccharomyces cerevisiae homozygous for pph3D, ybl046wD and psy2D Serial dilutions of ... subunit of Pph3p required for the binding of Psy2p, we examined the sensitivity of the YBL046w ⁄ Psy4p deletion strain to cisplatin The comparable increased sensitivities to cisplatin of the homozygous ... anticancer agents cisplatin and oxaliplatin, identified among the top 20 most sensitive genes PPH3 and a gene of unknown function, YNL201c, which the authors termed PSY2 (for platinum sensitivity...
Ngày tải lên: 07/03/2014, 12:20
Implementation of the Common Core State Standards potx
... capacity and institutional knowledge and to promote continuity throughout the duration of the initial CCSS implementation and the institutionalization years Hence, the core of the implementation teams’ ... objective by prescribing formal evaluations of CCSS implementation with particular attention paid to changes in DoDEA’s curriculum, instruction, PD, and assessment activities The evaluations ... discuss innovative practices on a regular basis, adaptation of the metrics for success, and systematization of internal routines to monitor progress—each of which has been discussed as part of the scale-up...
Ngày tải lên: 16/03/2014, 07:20
Báo cáo khoa học: LIN54 is an essential core subunit of the DREAM / LINC complex that binds to the cdc2 promoter in a sequence-specific manner ppt
... reaction DNA fragments for competition were prepared by PCR and gel purified; 50–300 ng of PCR fragment were used for competition The following primers were used for amplification of the competitor: ... were detected by immunoblotting p130 was coexpressed The binding of LIN54 mutants to p130 was analyzed by immunoprecipitation of LIN54 from lysates with anti-flag IgG and the detection of bound p130 ... bromodeoxyuridine (BrdU) to identify the population of cells in S phase As shown in Fig 2A, LIN54 depletion results in an accumulation of cells in G2 ⁄ M and in a reduction in the fraction of cells in S phase...
Ngày tải lên: 23/03/2014, 04:20
Báo cáo khoa học: Creation of a new eye lens crystallin (Gambeta) through structure-guided mutagenic grafting of the surface of bB2 crystallin onto the hydrophobic core of cB crystallin pot
... with a sufficiently high resolution offering sub-Dalton accuracy for determination of the masses of tryptic peptides A total of 13 out of 20 expected tryptic peptides were FEBS Journal 276 (2009) ... detection of the masses of trypsinolytic peptides in the mass range of 500–5000 Da Peptides detected by peptide mass fingerprinting provided a very high coverage (83%) of the sequence of the C-terminally ... purified by the same method, with similar yields and purity Absorption spectroscopy and protein parameters Concentrations of Gambeta in solution were estimated by measurement of absorption at...
Ngày tải lên: 23/03/2014, 04:21