Dynamic modelling of biomass gasification in a cocurrent fixed bed gasifier

Tar abatement for clean syngas production during biomass gasification in a dual fluidized bed

Tar abatement for clean syngas production during biomass gasification in a dual fluidized bed
... diameters and wall thickness with increasing catalyst load lead to an increase in the residence time for tar and hydrocarbons in the catalytic filter, favoring tar abatement However, these parameters ... the clean gas was around 0.25 g/Nm3 (N2 free, d.b.) A catalytically activated ceramic foam as additional reforming step for integration into the hollow-cylindrical space of the catalytically activated ... configurations for catalytic layer filter candles included an additionally integrated catalyst: a catalytically activated Al2O3-based hollow-cylindrical monolith integrated in the hollow cylindrical...
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The characteristics of biomass gasification in multistage heating and gradient chain gasifier

The characteristics of biomass gasification in multistage heating and gradient chain gasifier
... vs the residence time Please cite this article in press as: Cai J, et al., The characteristics of biomass gasification in multistage heating and gradient chain gasifier, International Journal of ... oxidizing zone Initial height of BMF in the oxidizing zone is 0.03 m, and the weight of BMF is 1.89 kg The porosity of biomass one the chain is 0.5 Therefore, the actual weight of biomass is 0.945 ... vs the residence time Please cite this article in press as: Cai J, et al., The characteristics of biomass gasification in multistage heating and gradient chain gasifier, International Journal of...
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Study on the fate of metal elements from biomass in a benchscale fluidized bed gasifier

Study on the fate of metal elements from biomass in a benchscale fluidized bed gasifier
... in the gasification tests Leucaena was harvested from plots on the University of Hawaii Experiment Station at Waimanalo on Oahu Bagasse was obtained from the Gay & Robinson sugar factory at Kaumakani ... partitioning in the samples collected from gas sampling train during bagasse gasification Please cite this article in press as: Cui H et al Study on the fate of metal elements from biomass in a ... weight of char in the filter, the amount of bed char was commonly 13–15% for Leucaena and 5% for bagasse gasification Thus the bed char was not included in the mass balance calculation A greater amount...
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Tài liệu Báo cáo khoa học: "THE REPRESENTATION OF INCONSISTENT INFORMATION IN A DYNAMIC MODEL-THEORETIC SEMANTICS" ppt

Tài liệu Báo cáo khoa học:
... with a table that contains each ~-expression and the ima6e of its denotation in the current stage of the dynamic model When the domain of the ~-expression expands, the correct denotational relationship ... have the model contain the inconsistent information that "John and Mary talk" is true and that "Mary and John talk" is false If two non-equivalent ~-expressions were identified as being equivalent, ... III Dynamic models contain incomplete information, and the sets, relations, and functions in these models can be incompletely specified (their domains are usually incomplete) In PTQ, some phrases...
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Spatial modelling of air pollution in urban areas with GIS: a case study on integrated database development doc

Spatial modelling of air pollution in urban areas with GIS: a case study on integrated database development doc
... 64 L Matejicek: Spatial modelling of air pollution in urban areas with GIS Fig The standalone software application for integrated evaluation of air quality Methods of integration air quality ... pollution in urban areas with GIS a sample of the spatial interpolation of air pollution in the area Again, in addition to standard analysis, the LIDAR system and the results of physical modelling in ... into 3-D mapping and data management in the framework of the ArcGIS As examples, two urban areas of Prague have been used to demonstrate the abilities of spatial modelling 3.1 Spatial modelling...
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Báo cáo lâm nghiệp: " Quantification of nutrient content in the aboveground biomass of teak plantation in a tropical dry deciduous forest of Udaipur, Indi" pdf

Báo cáo lâm nghiệp:
... however, there is a lack of knowledge concerning the quantification of nutrient content in the aboveground biomass of teak plantation in a tropical dry deciduous forest of Rajasthan, western India Therefore, ... aboveground biomass of teak plantation, Udaipur, Rajasthan, India N Component Table Concentration of nutrients (% ± 1.s.e.) in the aboveground biomass of teak plantation, Udaipur, Rajasthan, India 1.79 ... C, H, and O Mean nutrient contents in the aboveground biomass of teak plantation are shown in Table The nutrient contents in the total biomass of teak in the plantation were: 165.47 kg/ha N, 20.96 kg/ha...
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Báo cáo lâm nghiệp: "Carbon accumulation in Finland’s forests 1922–2004 – an estimate obtained by combination of forest inventory data with modelling of biomass, litter and soil" potx

Báo cáo lâm nghiệp:
... stock of litter and soil by origin, and the transfers of carbon in litter and soil between forests and other land uses in Finland’s forests between 1922 and 2004 Figure Annual changes in the ... forests and an expanded forested area (see Fig 1) Carbon accumulated mainly in the biomass of trees, Carbon sink of Finland’s forests Figure Carbon stock of litter and soil and its annual changes ... stock of litter and soil in Finland’s forests between 1922 and 2004 when the transfers of carbon in litter and soil between forests and other land uses were accounted for (incl LUC), simulated using...
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Báo cáo lâm nghiệp: " Decomposition dynamic of fine roots in a mixed forest of Cunninghamia lanceolata and Tsoongiodendron odorum in mid-subtropics" docx

Báo cáo lâm nghiệp:
... Percentage of dry-matter remaining over time in decomposing fine roots of Chinese fir and Tsoong’s tree Bars indicate standard error Table I Weight loss rate and decay constant (k) of fine roots after ... cycling of N and P by a mixed forest of Cunninghamia lanceolata and Tsoongiodendron odorum in subtropical China, Acta Phytoecol Sin 26 (2002) 473–480 (in Chinese with English abstract) [23] Shan ... Turnover of fine roots in pure and mixed Cunninghamia lanceolata and Michelia macclurei forests, Chin J Appl Ecol (1995) 7–10 (in Chinese with English abstract) [27] Usman S., Singh S.P., Rawat Y.S.,...
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Báo cáo y học: "A dynamic model of gene expression in monocytes reveals differences in immediate/early response genes between adult and neonatal cells" potx

Báo cáo y học:
... complexity of gene expression differences between adult monocytes and cord blood monocytes in response to LPS In addition to the above genes which differed in expression between groups following LPS ... listed in Table We analyzed these genes using DFA in order to find those genes most likely to highlight the differences between cord and adult monocytes DFA identified genes having high discriminatory ... and timeconsuming to undertake, studying the kinetics of gene expression using microarrays can be highly informative The previously reported study [14] examining gene expression differences between...
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Báo cáo sinh học: " A method for the dynamic management of genetic variability in dairy cattle" pot

Báo cáo sinh học:
... parents because they are more protected against within-family drift Second, as a major constraint, the average EBV of the future individuals for an overall combination of many traits of economical importance, ... Matings a j and mating b j remain for final consideration Then, the possible matings assigned to the ordered pair (action 1, action 2) are: a j and a j, b j and b j, a j and b j, b j and a j Each ... Dynamic management of dairy cattle 377 of N s and Nd , for decreasing the risk of discarding valuable candidates Then n = N s × Nd matings are possible and have to be examined Let x be the vector...
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Báo cáo y học: "Dynamic evolution of selenocysteine utilization in bacteria: a balance between selenoprotein loss and evolution of selenocysteine from redox active cysteine residues" docx

Báo cáo y học:
... organisms These observations revealed a dynamic and delicate balance between Sec acquisition and selenoprotein loss, and may partially explain the discrepancy between catalytic advantages offered ... C Archaea Methanopyrus kandleri C Methanococcus maripaludis Methanococcus maripaludis C Methocaldococcus jannaschii Other bacteria and archaea Other bacteria and archaea Organization and phylogenetic ... Figure of SelA, SelB, and FdhA sequences from Alphaproteobacteria, Betaproteobacteria, and Gammaproteobacteria Phylograms Phylograms of SelA, SelB, and FdhA sequences from Alphaproteobacteria, Betaproteobacteria,...
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The moderating role of biomass availability in biopower cofiring d A sensitivity analysis

The moderating role of biomass availability in biopower cofiring d A sensitivity analysis
... costs associated with biomass use decrease as the availability of biomass increases (Fig 2) As explained above, this negative relationship between cost and availability of biomass is caused by the ... biomass availability Increasing the level of biomass availability thus reduces the significance of variability in transportation costs We are able to conclude that total cost of adopting biomass ... does not exceed the total energy contained in the biomass feedstocks used.2 The LP model of Liu et al (2014) is summarized in Appendix A Intensive data were used in the linear programming model...
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Syngas cleaning with nanostructured microporous ion exchange polymers in biomass gasification using a novel downdraft gasifier

Syngas cleaning with nanostructured microporous ion exchange polymers in biomass gasification using a novel downdraft gasifier
... unit operations of this ammonia technology include gasification, syngas cleaning, gas separation and various reactors for ammonia conversion and steam reforming of syngas The integration of the ... method carried out with MWe scaled-up gasifier Colour of the flare (a) before syngas cleaning, (b) after syngas cleaning Conclusions We have shown that tar extraction from syngas using sulphonated ... catalytic conversion to fuels and chemicals such as ammonia This tar removal method was also applied to syngas cleaning in a MWe capacity gasifier (scaled up version of the current gasifier) and...
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Báo cáo y học: "Comparative study of control selection in a national population -based case-control study: Estimating risk of smoking on cancer deaths in Chinese men"

 Báo cáo y học:
... deaths TABLE Characteristics of cases and two control groups: Population- based case -control study of smoking on risk of cancer deaths among Chinese men 1989–1991 Characteristic Cases No of subjects ... sex-matched living spouse control design as an alternative control selection for a nationwide population- based case -control study is valid and feasible, and can produce highly acceptable research ... policy making when an answer is needed a short time The purpose of this study was to apply the basic principles of a population- based case -control study to assess the validation of the novel control...
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