fixed bed catalytic reactors for fluid solid reactins
Utilization of activated carbon for the removal of basic dyes in fixed-bed microcolumn
Ngày tải lên :
05/09/2013, 16:11
... 5, 2013, pp.815-824 823 Table Data of variable bed depth at a fixed flow rate in a fixed- bed column for the removal of MB onto PAC2 Bed Depth (Z) Bed Volume (V) Mass Of Adsorbent (M) EBRT (cm) ... variable bed depth at a fixed flow rate (2 ml/min) in a fixed- bed column (3mm) for the removal of MB onto PAC2 The data in Table shows that EBRT, Vb and Tb increased with increasing bed depth ... authors, parameters obtained by the calibration of fixed- bed adsorption models with microcolumn data could satisfactorily simulate the bed performance for large column The focus of this work is directed...
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Artificial neural network modelling approach for a biomass gasification process in fixed bed gasifiers
Ngày tải lên :
01/08/2016, 09:32
... models to predict process performance for various operating conditions that could occur during the gasifier operation has not been analysed in details Therefore, for the biomass gasification process ... They are useful in prediction of the gasifier performance under various different stationary operating conditions and therefore are often used for preliminary design and optimisation purposes ... research Most of the literature is focused on the development of equilibrium models for downdraft fixed bed or fluidised bed gasifiers because these types of gasifier have proven their reliability in a...
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Co-gasification of sewage sludge and woody biomass in a fixed-bed downdraft gasifier: Toxicity assessment of solid residues
Ngày tải lên :
02/08/2016, 09:34
... to HepG2 cells as compared to 20SWCG For example, for the same concentration of C/C0 = 0.25, cell viability at 24 h was 70% for PWG but 10% for 20SWCG; and for C/C0 = 0.5, the corresponding viability ... resulting in a liquid-to -solid (L/S) ratio of 5.0 The mixture was then vortexed for min, followed by overnight static leaching for 12 h, and centrifuged at 15,000 rpm for 10 The supernatant was ... 1.97 Note: PWG stands for pure wood chips gasification; 20SWCG stands for 20 wt.% sewage sludge and 80 wt.% wood chips co-gasification ium (RPMI + 10% FBS + 1% Pen strep) to form a cell suspension...
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wall fixings for hollow & solid surfaces
Ngày tải lên :
17/12/2013, 10:47
... fixings, they are equally suitable for fixing into floors or concrete beams Plugs for screws: General All the plugs described below for use in solid surfaces are designed for use with ordinary wood screws ... diameter/thread can be used where the workpiece is too thick for the screw supplied Wall fixings for solid surfaces Fixing into solid brick, block or concrete When you need a fixing into brick, ... concrete before the plug can be used Often on internal walls, the material will be covered with a relatively thin coating of render and/or plaster Before drilling into any surface, check for possible...
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Tài liệu Báo cáo khoa học: "Fixed Length Word Suffix for Factored Statistical Machine Translation" pdf
Ngày tải lên :
20/02/2014, 04:20
... using fixed length word ending outperforms whole word representation for training a part of speech tagger for Turkish language 148 Based on this result, we proposed a suffix factored model for ... surface form, stemmed words, character n-grams, and semantic relationships, and found that for noisy and open domain text, character-ngrams outperform other representations when used for text ... defined for a phrase pair before, can now be extended as a log linear combination Σf τf(fjf,ejf) The model also allows for a generation feature, defining the relationship between final surface form...
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Báo cáo khoa học: Molecular basis of the unusual catalytic preference for GDP/GTP in Entamoeba histolytica 3-phosphoglycerate kinase doc
Ngày tải lên :
16/03/2014, 01:20
... Kinetic parameters in the forward reaction The Vm, Km and catalytic efficiency (Vm ⁄ Km) values for nucleotides were determined in the forward and reverse reactions for the wild-type and the five ... decreased Km values for ATP were in agreement with the results obtained for ADP in the forward reaction It is worth noting that although changes in catalytic efficiency were not significant for GTP in the ... affinity for ATP compared with the wild-type, the other four mutants displayed a tendency to increase their affinity for ATP, producing a 1.8–10.8 times increment in their catalytic efficiencies Therefore,...
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Conventional Three-Phase Fixed-Bed Technologies: Analysis and Critique docx
Ngày tải lên :
16/03/2014, 22:20
... Technological Reasons for the Selection of Fixed- Bed Reactors Table 2.1 Slurry reactors versus conventional fixed -bed reactors N Compared features Slurry reactor Reaction performance 1.1 Overall ... conventional types of fixed -bed reactors, which are mainly employed for multiphase processes: Trickle -Bed Reactors (TBRs), Bubble (packed) Column Reactors (BCRs), and MultiTubular Reactors (MTRs) Some ... (2009) Chapter Technological Reasons for the Selection of Fixed- Bed Reactors The choice for an appropriate reactor for carrying out a multiphase reaction on a solid catalyst is always a rather challenging...
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Fixed Deposit Accounts: Accounts that give you a fixed rate of interest for a defined term. potx
Ngày tải lên :
29/03/2014, 01:20
... Rates for Former Irish Nationwide Building Society Deposit Accounts These rates are effective from the start of business on 18th September 2012 The following accounts are not available for new ... Interest Rates for Former Northern Rock Ireland Deposit Accounts These rates are effective from the start of business on 18th September 2012 The following accounts are not available for new applicants ... available for new applicants) e0.01 - e9,999.99 e10,000.00 + Gross*% 1.50 2.40 All non-personal accounts of more than e1 million will be managed directly by permanent tsb Treasury For non-personal...
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membrane reactors for hydrogen production processes
Ngày tải lên :
01/04/2014, 10:34
... acid steam reforming Bioethanol steam reforming Chemical vapour deposition Electroless plating deposition Electroplating Ethanol steam reforming Electrochemical vapour deposition Fixed bed reactor ... with T for endothermic reactions and decreases for exothermic reactions according the well-known Van’t Hoff equation: d ln K DH ¼ dT R Á T2 ð1:2Þ with DH [ for endothermic reactions and DH \ for ... region In Fig 1.2, a draft of a reactor for methane steam reforming with multiple membrane tubes for hydrogen separation, operating in co-current mode, is shown Unfortunately, the integrated solution...
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Báo cáo sinh học: "Fixed point-type results for a class of extended cyclic self-mappings under three general weak contractive conditions of rational type" potx
Ngày tải lên :
18/06/2014, 22:20
... contractive condition and the best constant to ensure a fixed point is also obtained Three fixed point theorems which extended the fixed point theory for Kannan mappings were stated and proved in [11] ... through fixed point theory of Caputo linear fractional systems has been provided in [30] Finally, promising results are being obtained concerning fixed point theory for multivalued maps (see, for ... − A for each couple of subsequent samples for some extended control sequence {u k }k∈Z 0+ in R m , for some integer ≤ m ≤ n , assumed to exist A unique such a control sequence exist, if for instance,...
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Báo cáo hóa học: " Mesoporous nitrogen-doped TiO2 sphere applied for quasi-solid-state dye-sensitized solar cell" doc
Ngày tải lên :
20/06/2014, 22:20
... Fourier transform infrared spectroscopy (FTIR), electrokinetic analysis were used for the characterization of surface chemistry of the modified polymer and atomic force microscopy (AFM) for the study ... adjustable gap in contact with the electrolyte (0.001 mol dm-3 KCl) For each measurement, a pair of samples with the same top layer was fixed on two sample holders (with a cross-section of 20 × 10 mm2 ... 5.10-3 mol l-1) for h In a control experiment, the etching of the polymer surface by methanol was also examined during 2-h exposure Then the modified PET samples were immersed for h into freshly...
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Báo cáo hóa học: " Some fixed point-type results for a class of extended cyclic self-mappings with a more general contractive condition" pdf
Ngày tải lên :
20/06/2014, 22:20
... ¯ ¯ ¯ unique fixed point z ∈ ¯ i∈p Ai Then, any q-tuple of sequences (3.31) converges to a unique limit q-tuple (3.30) of the form z: = (z, , z) for any x ∈ ˆ ¯ i∈p ¯ i∈p Ai and for any De la ... M, Rus, IA: Fixed point theory for cyclic φ-contraction Nonlinear Anal: Theory Methods Appl 72(3-4), 1181–1187 (2010) doi:10.1016/j.na.2009.08.002 26 Karapinar, E: Fixed point theory for cyclic ... sequence reduces to a unique fixed point allocated within the intersection of all such subsets Main results for non-cyclic self-mappings Let (X, d) be a metric space for a metric d: X × X ® R0+...
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Báo cáo khoa học nông nghiệp " Nutrient recovery by rice crops as a treatment for aquaculture solid waste: crop yield, nutrient status and nutrient budgets " doc
Ngày tải lên :
21/06/2014, 04:20
... substitution value of the solid waste in order to determine how to adjust recommended fertiliser rates for rice Materials and methods Solid waste from fishponds in the form of sludge, with up to ... and fishpond solid waste for wet (WS) crops Yield (T/ha) a a a a ab ab b DS 08 DS 09 DS 10 T1 T2 T3 T4 T5 T6 T7 Treatment Fig Rice yields with fertilizer and fishpond solid waste for Dry (DS) ... incubated to allow partial composting The composition of solid waste for the wet (Cw) and dry season (Cd) is shown in Table Inorganic fertilisers used for field experiments were urea, superphosphate and...
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Báo cáo hóa học: "FIXED POINT VARIATIONAL SOLUTIONS FOR UNIFORMLY CONTINUOUS PSEUDOCONTRACTIONS IN BANACH SPACES" ppt
Ngày tải lên :
22/06/2014, 22:20
... t →0 x + ty − x t (2.1) a exists for each x, y ∈ S E is said to have a uniformly Gˆ teaux differentiable norm if for each y ∈ S the limit is attained uniformly for x ∈ S The modulus of smoothness ... liminf n→∞ an ≤ LIMan ≤ limsupn→∞ an , and LIMan = LIMan+1 for all {an }n ∈ ∞ n n n The modulus of uniform continuity, δ( ), of T is defined for all > by δ( ) = sup{λ : x − y < λ =⇒ Tx − T y < } (2.3) ... that for each contraction map, f : K → K with contraction constant α ∈ [0,1), the equation x = tTx + (1 − t) f (x) (2.10) has a solution xt for every t ∈ [0,1) Then the following hold (i) If for...
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.Thank you for trying Solid Converter PDF. The trial version of this product only converts 10% of ppsx
Ngày tải lên :
24/07/2014, 01:20
... Thank you for trying Solid Converter PDF The trial version of this product only converts 10% of your document, with a 10 page maximum For this conversion, Solid Converter PDF converted ... maximum For this conversion, Solid Converter PDF converted of pages Please register Solid Converter PDF at http://www.solidpdf.com/buy.htm to remove this restriction ...
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Additional Praise for Fixed Income Securities Tools for Today’s Markets, 2nd Edition phần 1 docx
Ngày tải lên :
14/08/2014, 05:20
... as investing for six months at r(.5), for six months, six months forward at r(1), and for six months, one year forward at r(1.5) Mathematically, 30 BOND PRICES, SPOT RATES, AND FORWARD RATES ... date For the purposes of this chapter, all forward rates are taken to be six-month rates some number of semiannual periods forward Forward rates, however, can be defined with any term and any forward ... CHAPTER 16 Forward Contracts Definitions 325 Forward Price of a Deposit or a Zero Coupon Bond 326 Using Forwards to Hedge Borrowing Costs or Loan Proceeds Forward Price of a Coupon Bond 329 Forward...
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Additional Praise for Fixed Income Securities Tools for Today’s Markets, 2nd Edition phần 2 ppsx
Ngày tải lên :
14/08/2014, 05:20
... functional form for the discount function, for spot rates, or for forward rates For example, an extremely simple functional form for the discount function might be a cubic polynomial: d(t ) = ... of all previous forwards Therefore, it takes a relatively large move in one of the forward rates to move the average by one basis point, particularly at long maturities when many forwards make ... 4.6 Forward Curves from Raw C-STRIPS Data and from a Curve Fitting Procedure PIECEWISE CUBICS The first step in building a smooth curve is to assume a functional form for the discount function, for...
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