catalysts additives for gasoline desulfurization via catalytic cracking
Immobilized enzymes and chemical catalysts on nanoporous SBA 15 for biodiesel production via transesterification
... (c) 3Ca1Ce, (d) 1Ca3Ce and (e) 1Ca1Ce catalysts Catalytic performance of CaO-CeO2 catalysts with various Ca/Ce molar ratios Catalytic performance of CaO–CeO2 catalysts and leaching content of homogeneous ... Catalytic performance of the homogeneous catalytic species leached out from each CaO-CeO2 catalysts IR-Raman spectra of a) 1Ca1Ce-500, b) 1Ca1Ce-650 and c) 1Ca1Ce-750 catalysts Catalytic performance ... 2.1.3.4 Catalysts Catalysts used for transesterification are generally classified as base, acid, and bio- catalysts (Ma and Hanna, 1999) Since catalysts for transesterification are the main focus for...
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Báo cáo khoa học: Replacement of two invariant serine residues in chorismate synthase provides evidence that a proton relay system is essential for intermediate formation and catalytic activity docx
... species is known to form after the substrate binds to the reduced FMN–enzyme binary complex [9] but before EPSP undergoes transformation to the product [18,19] This species is formed very rapidly ... equivalents for activation of the cofactor to its reduced form Chorismate synthase activity of the serine mutant proteins In order to investigate the influence of the amino acid replacements on the catalytic ... 2% for the Ser16Ala single-mutant protein and of 12% for the Ser127Ala single-mutant protein compared with that of the wild-type enzyme However, we were not able to determine any activity for...
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Báo cáo khoa học: "Heterogeneous Transfer Learning for Image Clustering via the Social Web" docx
... same semantic information What we need to is to uncover this latent semantic information by finding out what is common among them We did this in (Ling et al., 2008) by using the information bottleneck ... clustering performance We observe that the World Wide Web has many annotated images in Web sites such as Flickr (http://www.flickr.com), which can be used as auxiliary information source for our clustering ... classification problem) Finally, information bottleneck was used to maintain most of the common information between the two data sources, and discard the remaining irrelevant information In this way, we...
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Making the Poor Pay for Public Goods via Microfinance Economic and Political Pitfalls in the Case of Water and Sanitation docx
... General conclusion 33 References35 Mader: Making the Poor Pay for Public Goods via Microfinance Making the Poor Pay for Public Goods via Microfinance: Economic and Political Pitfalls in the Case ... sustained efforts to promote microfinance, is that “government, as we now know it, should pull out of most things except for law enforcement, the justice system, national defense, and foreign policy, ... that it is only the profit motive for MFIs that can maintain the situation and therefore routinely warn against public subsidies for household water and sanitation for fear of “crowding out potential...
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advances in fluid catalytic cracking
... for the Processing Industries, T H Tsai, J W Lane, and C S Lin 24 Temperature-Programmed Reduction for Solid Materials Characterization, Alan Jones and Brian McNichol 25 Catalytic Cracking: Catalysts, ... the fresh feed basis, for cracking of the combined feed (base feed+maximum recycle of the 650F750F stream at 20 Advances in Fluid Catalytic Cracking Bottoms, wt% 20 C5+ gasoline, wt% 50.0 15 ... Temperature for the LZM catalyst was lower than for the other catalysts to reproduce typical conditions used for mid-distillate maximization in commercial units In the Riser Simulator it was possible for...
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fluid catalytic cracking handbook - 2nd ed
... Trends in Fluidized Catalytic Cracking _ 307 Reformulated Fuels, 308 Residual Fluidized Catalytic Cracking (RFCC), 323 Reducing FCC Emissions, 327 Emerging Developments in Catalysts, Processes, ... Fluid Catalytic Cracking Handbook To Reactor or Cyclone Catalyst From Regenerator (Typical for Multiple Nozzles) Figure 1-6 Typical riser "Y" The catalytic reactions occur in the vapor phase Cracking ... treated for sulfur and blended into the refinery asoline pool Gasoline Splitter A number of refiners split the debutanized gasoline into "light" and heavy" gasoline This optimizes the refinery gasoline...
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a concise introduction to additives for thermoplastic polymers
... electronic formats Some content that appears in print may not be available in electronic format For information about Wiley products, visit our web site at www.wiley.com For more information about ... 2.6.3 Interlayer Films for Safety Glasses Poly(viny1acetal) (PVAL)based formulations are used as interlayer films for laminated glass, as binders for ceramic forming, as binder for ink or paint and ... book focuses on additives for thermoplastic polymers There are many excellent books dealing with additives for polymers They range from the large 1000-page tomes such as Plastics Additives Handbook...
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Báo cáo sinh học: " Research Article Further Study on Strong Lagrangian Duality Property for Invex Programs via Penalty Functions" ppt
... Lagrangian function for P is L x, μ m f x μ j g j x , x ∈ Rn , μ μ1 , , μm ∈ Rm j 1.1 The Lagrangian dual function for P is h μ inf L x, μ , x∈Rn ∀μ ∈ Rm 1.2 The Lagrangian dual problem for P is sup ... function and the corresponding penalty problem for P : Pk x f x k m j gj x , x ∈ Rn , Pk x , n 2.1 Pk x∈R where the integer k > is the penalty parameter For any t ∈ R1 , denote that X t x ∈ Rn : gj ... optimal solution of u on Rn Let X ⊂ Rn be nonempty u : Rn → R1 is said to be level bounded on X if for any real number t, the set {x ∈ X : u x ≤ t} is bounded It is easily checked that u is level...
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Báo cáo hoa học: "Research Article Solutions of 2nth-Order Boundary Value Problem for Difference Equation via Variational Method" pot
... n is the forward difference operator; pk ∈ R for k ∈ where Δn yk Δn−1 yk − Δn−1 yk n − n, N and f ∈ C 1, N × R, R A variational functional for BVP 1.1 - 1.2 is constructed which transforms the ... By i , for r2 R1 Then 0, there exists R1 > such that f k, y /y for |y| /2 y2 for |y| R1 Now together with Lemma 2.3, we have φ y p λ y − r2 N |yk |2 y 1−n pλ − r2 − 3 y y f k, s ds > for y r2 ... given in Section Two criteria for the existence of at least one solution and two solutions for BVP 1.1 - 1.2 are established in Section which is the generalization for BVP of the even-order difference...
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Báo cáo hóa học: " Research Article Subspace-Based Noise Reduction for Speech Signals via Diagonal and Triangular Matrix Decompositions: Survey and Analysis" docx
... second largest formant at 1.1 kHz The next six filters (for i = through 10) capture more information in the frequency range 0–1500 Hz The five filters for i = 11 through 15 capture the two formants at ... and noisy signals; (b) and (c) estimates; both SNRs are 12.5 dB for k = and 13.8 dB for k = 16 The Matlab code for MV case takes the form [U,V,X,Gamma,Delta] = gsvd(H,E,0); S = Gamma/Delta; k = ... The corresponding Matlab code for the MV estimate, which requires UTV Tools for the rank-revealing QR factorization hrrqr, takes the form (where thr is the threshold for the rank decision in E)...
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Báo cáo hóa học: " Research Article An Attention-Information-Based Spatial Adaptation Framework for Browsing Videos via Mobile Devices" pptx
... sizes, for example 352 × 288 pixels for CIF, 176 × 144 pixels for QCIF, and so forth, in order to simplify the development of fast transcoding method and to guarantee the transcoding performance ... encoding For sequences of Table, Football, Tempete, Paris, Stefan, and Mobile, there are virtually no performance loss with our approach while for the sequences of Foreman and Coastguard, the performance ... QP for attention area has little effect on the encoding performance Table 1: Overhead of attention information Sequences Original bitrate (kb/s) Attention information bitrate (kb/s) Percent Foreman...
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Electrochemical evaluation of additives for lead–acid batteries under high-discharge conditions pps
... Wright w13x performed potential-step experiments to study the formation of PbSO4 in H SO4 at y188C, ‘with’ and ‘without’ expanders, and proposed a mechanism of expander action for the charge-transfer ... paste formulation is given in Table After curing and drying, formation was carried out in 3.15 M H SO4 with a current density of 3.25 mA cmy2 at 0.3 A h gy1 A final charge at 3.25 mA cmy2 for ... utilization of NAM for all the expanders Once a plate was discharged, a potential of y1.350 V was applied for 360 s and the quantity of charge accepted was measured The charge transient for expander...
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Electrochemical evaluation of additives for lead–acid batteries under high-discharge conditions pdf
... Wright w13x performed potential-step experiments to study the formation of PbSO4 in H SO4 at y188C, ‘with’ and ‘without’ expanders, and proposed a mechanism of expander action for the charge-transfer ... paste formulation is given in Table After curing and drying, formation was carried out in 3.15 M H SO4 with a current density of 3.25 mA cmy2 at 0.3 A h gy1 A final charge at 3.25 mA cmy2 for ... utilization of NAM for all the expanders Once a plate was discharged, a potential of y1.350 V was applied for 360 s and the quantity of charge accepted was measured The charge transient for expander...
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Báo cáo khoa học: "limits for blood delivery via femoral vein access and a potential alternative in an experimental setting in anesthetized pigs" pps
... sensitivity for rinsing procedures without anticoagulation We found clot formation most often at the tip for blood return, which is in confirmation with the results for Pv Blood values for platelet ... trigger for Qa during CVVH in anesthetized, ventilated pigs Discussion This study was performed to verify reasons for limited Qa via dual-lumen catheters when placed in central veins (vena cava via ... regression for Qb and corresponding PQa was found for both catheter types, although the regression was higher for the small and long lumen in the duallumen catheter (group 1) than for the Alt...
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bài giảng công nghệ chế biến dầu mỏ chương 5 cracking xúc tác FCC (catalytic cracking)
... Công nghệ cracking xúc tác • Cracking xúc tác lớp cố định • Cracking xúc tác lớp sôi 6.1 Cracking xúc tác lớp cố định • Hiệu suất chuyển hóa thấp • Ngưng tụ cốc • Quá nhiệt cục 6.2 Cracking xúc ... trình cracking XT 4.1 Phản ứng mong muốn Phản ứng isomer hoá: Thường xảy trước phản ứng cracking 4 Hóa học trình cracking XT 4.2 Phản ứng không mong muốn Phản ứng chuyển vị hydro: Hóa học trình cracking ... trung hòa chúng cấu tử sản phẩm cracking xúc tác 4 Hóa học trình cracking XT 4.1 Phản ứng mong muốn Phản ứng cắt mạch (cracking ): xảy theo chế ion cacbonium Hoạt tính cracking hydrocacbon giảm dần...
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Chapter 5 catalytic cracking
... Công nghệ cracking xúc tác • Cracking xúc tác lớp cố định • Cracking xúc tác lớp sôi 6.1 Cracking xúc tác lớp cố định • Hiệu suất chuyển hóa thấp • Ngưng tụ cốc • Quá nhiệt cục 6.2 Cracking xúc ... trình cracking XT 4.1 Phản ứng mong muốn Phản ứng isomer hoá: Thường xảy trước phản ứng cracking 4 Hóa học trình cracking XT 4.2 Phản ứng không mong muốn Phản ứng chuyển vị hydro: Hóa học trình cracking ... trung hòa chúng cấu tử sản phẩm cracking xúc tác 4 Hóa học trình cracking XT 4.1 Phản ứng mong muốn Phản ứng cắt mạch (cracking ): xảy theo chế ion cacbonium Hoạt tính cracking hydrocacbon giảm dần...
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Nanostructured mno2 catalyst for oxidative desulfurization of diesel
... Properties of α-MnO2 nanorods catalysts 112 Table 5.2 Reaction conditions for α-MnO2 nanorods catalysts 113 Table 5.3 Reaction conditions for γ-MnO2 supported catalysts 114 Table 5.4 ... hydrothermed for h .34 Figure 3.4 SEM of the samples hydrothermed for h .35 Figure 3.5 SEM of the samples hydrothermed for 16 h .36 Figure 3.6 TEM of the samples hydrothermed for h ... NANOSTRUCTURED MnO2 CATALYSTS FOR OXIDATIVE DESULFURIZATION OF DIESEL DOU JIAN (B ENG (Hons) NUS) A THESIS SUBMITED FOR THE DEGREE OF MASTER OF ENGINEERING DEPARTMENT...
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