1determination of ts by cec using methacrylate monolithic columns
Removal of arsenic from synthetic groundwater by adsorption using the combination of laterite and ironmodified activated carbon
... batch experiments for equilibrium and kinetic studies were carried out in a series of 1000mL flasks Each of them contained 5g of adsorbents (adsorbent dose) and - 45 - Journal of Water and Environment ... mixture of 70% As[III] and 30% As[V] was used in all of the experiments and the total arsenic content was analyzed by ICP-MS (Seiko SII) Column experiment Column experiments for the determination of ... to study the adsorption column for removal of arsenic from synthetic groundwater using sequential combination of LA and AC-Fe as adsorbents The effect of LA/AC-Fe ratio, flow rate, initial arsenic...
Ngày tải lên: 05/09/2013, 09:38
Removal of arsenic from simulated groundwater by adsorption using iron-modified rice husk carbon
... improve its efficiency by modifying its adsorbing properties It is well known that iron and its compounds are very effective as adsorbents in the removal of arsenic from water, but using iron ... procedure Batch experiments were conducted to investigate the effects of pH values within the range of 5-9, of initial arsenic concentrations within the range of 1.42 - 7.39 mg/L and of adsorbent doses ... effective agent (iron) for the removal of both As[III] and As[V] from simulated groundwater using a mixture of 70% As[III] and 30% As[V] for all experiments The effects of initial arsenic concentration,...
Ngày tải lên: 05/09/2013, 09:38
Polystyrene (PS) waste plastic conversion into aviation /kerosene category of fuel by using fractional column distillation process
... Journal of Energy and Environment (IJEE), Volume 3, Issue 6, 2012, pp.871-880 polyethylene and most of them is in the form of containers and packaging materials The extent of conversion of plastics ... increased by the application of stable hydro cracking catalysts Similar to petroleum derived cracking products, the fractions from plastics processing contain appreciable quantities of aromatics ... range of temperatures ~35–360 ºC (gasoline and light gas oils) as well as the solid carbon residues, similar to coke Numerous papers present the results of application of various acidic catalysts,...
Ngày tải lên: 05/09/2013, 15:28
Tài liệu Báo cáo khoa học: "Enhanced word decomposition by calibrating the decision threshold of probabilistic models and using a model ensemble" pdf
... results that increasing the memory of the algorithm by looking at b j,i−1 leads to a better performance The simplifying assumptions made, however, reduce the expressive power of the model by not ... net increase of 0.0819 of correct boundaries which led to the increased recall Since the deduction of precision is less than the increase of recall, a better over-all performance of P ROMODES ... dividing datasets during 10-fold cross-validation into training and test subsets with the ratio of 9:1 we randomly split the data into training, validation and test sets with the ratio of 8:1:1 We...
Ngày tải lên: 20/02/2014, 04:20
Báo cáo khóa học: Insight into the activation mechanism of Bordetella pertussis adenylate cyclase by calmodulin using fluorescence spectroscopy pptx
... by hydrophobic chromatography increased the specific activity of AC eluted with 0.1 M NaCl by a factor of 1.3 (from 138 UÆmg)1 to 185 UÆmg)1) and the percentage of CaM activation by a factor of ... residues of the catalytic site, favors a new activation mechanism Recently, the resolution of the 3D structure of the AC exotoxin of B anthracis and of its complex with CaM led to the proposal of a ... a direct exploitation of the structural results of the former to explain the mechanism of CaM activation of the latter Crystallization and resolution of the 3D structures of AC and AC–CaM, which...
Ngày tải lên: 07/03/2014, 15:20
photocatalytic reduction of no with nh3 using si doped tio2 prepared by hydrothermal method
... obtained by using Cu K␣ radiation, using a Rigaku D/MAX RA instrument at 40 kV and 150 mA with the angle of 2Â from 20◦ to 80◦ The surface areas were measured by N2 adsorption by the BET method using ... photoactivity of catalysts Conclusions A series of Si-doped TiO2 photocatalysts were prepared by hydrothermal process The photocatalytic activity of Si-doped TiO2 was higher than that of Degussa ... the state of silicon species on the surface of TiO2 , the samples were examined by XPS spectroscopy Si 2p spectra of Si(0.03)/TiO2 powder is shown in the inset of Fig The binding energy of Si 2p...
Ngày tải lên: 20/03/2014, 13:06
assessing damage of flood by using alos data in thua thien - hue province - vietnam
... method of detecting and assessing damages due to flood by using ALOS satellite data is developed - Map of landuse/cover in 2008, map of distribution of flooding areas at October nd 2007 and a DEM of ... construction and flooded objects For example, if a rice variety of A, B days old has been flooded of more than 3m in days with area of S, so how many percent of its productivity will reduce? This ... crop rice Fig Map of flooded area higher 3m of landuse/cover types in Thua Thien - Hue Province Flooded level from to 3m Result of calculation and map of flooded level from to 3m of landuse/cover...
Ngày tải lên: 26/03/2014, 14:07
Enhanced production of pectinase by Bacillus sp. DT7 using solid state fermentation docx
... studied by using a variety of solid substrates (wheat bran, rice bran, apple pomace) The original moisture content of the apple pomace was 80% Effect of moisture contents on pectinase production using ... effect of environmental parameters in SSF was studied using wheat bran, unless otherwise stated, by altering physiochemical and culture conditions Effect of different solid substrates: The effect of ... bran was studied by adding different amount (50%, 60%, 66.7%, 75%, 77.8%, and 80%) of distilled water as the moistening agent to these solid substrates Effect of salts: Different salts: CaCl2 Á 2H2...
Ngày tải lên: 01/04/2014, 00:21
Báo cáo sinh học: " Generation of high-titer viral preparations by concentration using successive rounds of ultracentrifugation" doc
... Assessment by flow cytometry of transduction by retrovirus following concentration using different numbers of rounds of centrifugation μL of retrovirus was added for each transduction B Titration of ... μg of DNA (28.26 μg of the H1 shRNA hairpin vector; 18.3 μg of pMDLg/ pRRE; 9.86 μg of pMD2.G and 7.04 μg of pRSV Rev) and 229.4 μL of M Calcium solution in a total volume of 3.7 mL The transfection ... number of rounds of centrifugation C Addition of an addition round of centrifugation without addition of unconcentrated supernatant does not result in a decrease in viral titre D Demonstration by...
Ngày tải lên: 18/06/2014, 22:20
báo cáo hóa học:" Generation of high-titer viral preparations by concentration using successive rounds of ultracentrifugation" pot
... Assessment by flow cytometry of transduction by retrovirus following concentration using different numbers of rounds of centrifugation μL of retrovirus was added for each transduction B Titration of ... μg of DNA (28.26 μg of the H1 shRNA hairpin vector; 18.3 μg of pMDLg/ pRRE; 9.86 μg of pMD2.G and 7.04 μg of pRSV Rev) and 229.4 μL of M Calcium solution in a total volume of 3.7 mL The transfection ... number of rounds of centrifugation C Addition of an addition round of centrifugation without addition of unconcentrated supernatant does not result in a decrease in viral titre D Demonstration by...
Ngày tải lên: 20/06/2014, 04:20
báo cáo hóa học:" Research Article Audio Query by Example Using Similarity Measures between Probability Density Functions of Features" potx
... integral of the product of the ith component of GMM k ∈ {A, B} and the jth component of GMM m ∈ {A, B} by wiA wB pA (x)i pB (x) j dx j All the above terms are weighted sums of definite integrals of ... GMM by using multiple states, the emission probabilities of which are modeled by GMMs A state indicator variable is allowed to move from a state to another at each frame This is controlled by using ... ratio test in music similarity and the results using 1-component GMMs were similar to those using 30 components Table is a confusion matrix of the query by example when the Euclidean distance was...
Ngày tải lên: 21/06/2014, 20:20
Microwave assisted extraction of curcumin by sample–solvent dual heating mechanism using taguchi l9 orthogonal design
... the experiments were carried out was randomized to avoid any kind of personal or subjective bias All the results at each step of the design are expressed as the mean of three experiments After conducting ... from 24 h of exhaustive Soxhlet extraction 2.6 HPTLC analysis Results and discussion The samples were spotted (2 l) in the form of bands of width mm, positioned 10 mm from the bottom of the plate, ... ml, level = ml] of curcumin from C longa because of its greater solubilizing capacity for curcumin [8,17,21] Acetone also heats up to a good extent under microwave effect due to its better dissipation...
Ngày tải lên: 01/07/2014, 13:23
Optimization of Cost by Using 7 QC Tools docx
... Optimization of Cost by Using QC Tools 151 Figure 1: Pareto Chart Flowchart Flowcharts are pictorial representations of a process By breaking the process down into its constituent steps, flowcharts can ... poor quality of products or performance Example of prevention cost would include the costs associated with quality planning, design and development of quality measurement instruments, quality ... & cost of operation relatively depended to each other The main goals of quality management are customer satisfaction by delivery of defect free products at quality cost In operation 67 of control...
Ngày tải lên: 10/07/2014, 23:21
Báo cáo y học: "Detection of poliovirus by ICC/qPCR in concentrated water samples has greater sensitivity and is less costly using BGM cells in suspension as compared to monolayers" pot
... did not add trypsin to the suspensions which showed a higher rate of infection The benefits of using the tubes were the lower risk of contamination, less manipulation required, and the vast cost ... Suitability of infection of cells in suspension for detection of herpes simplex virus J Clin Microbiol 1991, 1554-1557 Reynolds KA, Gerba CP, Pepper IL: Detection of infectious enteroviruses by an ... http://www.virologyj.com/content/7/1/282 Page of Figure Comparison of ICC/q RT PCR cycle threshold (Ct) values of BGM monolayers infected with 10 PFU of poliovirus type (strain LSc-1) to similarly...
Ngày tải lên: 12/08/2014, 01:22
Báo cáo y học: "Feasibility of inter-hospital transportation using extra-corporeal membrane oxygenation (ECMO) support of patients affected by severe swine-flu (H1N1)-related ARDS" potx
... patients; patients who were less serious were treated in the ICU of their local hospital The 53 patients treated with ECMO were similar to our patients in seriousness; even the duration of the ... Page of the patients with criteria of exclusion from ECMO treatement stayed at the local hospitals The limitation of our study is the impossibility to compare the mortality rate of patients treated ... Feasibility of inter-hospital transportation using extra-corporeal membrane oxygenation (ECMO) support of patients affected by severe swine-flu(H1N1)-related ARDS Scandinavian Journal of Trauma,...
Ngày tải lên: 13/08/2014, 23:20
Báo cáo y học: " Risk assessment of pre-hospital trauma airway management by anaesthesiologists using the predictive Bayesian approach" pptx
... basic events of the fault tree The impact is shown as normalized weights, meaning that the sum of impacts on each basic event is 1.0 and the impact of each risk influencing factor represents a fraction ... analyse the causation leading to the event of interest, we constructed a fault tree Fault trees are logical descriptions of the cumulative effects of faults within a system that show cause and effect ... leading to the event and its consequences Fault tree Page of 10 Table 1: The definitions of the possible states of the risk influencing factors (RIF) RIF Possible states of RIFs Poor Average Good...
Ngày tải lên: 13/08/2014, 23:21
Mapping the binding site of ligands to proteins using chemical exchange parameters by NMR spectroscopy
... cases, the population of A:B is fixed at 1:1 (◽◽◽ : Component of site A, ◾◾◾ : Component of site B, : Sum of both components (A+B)) 3.3 Results and discussion 3.3.1 Mechanisms of protein-ligand interaction ... effects, magnetic-anisotropic effects, electric field effects, and the length and orientation of hydrogen bonds[101] However, N resonances are strongly influenced by the side chain conformation of ... 4.3.3 Analysis of the slow exchange titration (mMCL-1 and NOXA-B ) 58 viii 4.3.4 Mechanism of interaction of mMCL-1 and NOXA-B 4.3.5 62 Comparison of optimized parameters of fast and...
Ngày tải lên: 14/09/2015, 08:49
A computational study of chiral separation of tryptophan by using cyclodextrin
... i TABLE OF CONTENTS Page Acknowledgements ⅰ Table of Contents ⅱ Summary ⅳ List of Tables ⅵ List of Figures ⅶ Chapter Introduction 1.1 General Background on Chirality 1.2 Implication of Chirality ... COMPUTATIONAL STUDY OF CHIRAL SEPARATION OF TRYPTOPHAN BY USING CYCLODEXTRIN LIANG JIANCHAO (B Eng (Hons.), NUS) A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF ENGINEERING DEPARTMENT OF CHEMICAL AND ... solution of racemic mixture in the absence of resolving agents This is the case of the Pasteur’s discovery of enantiomers When Pasteur worked on the crystallization of a concentrated solution of sodium...
Ngày tải lên: 15/09/2015, 22:51
Mitigating voltage sags by optimal placement of series compensation devices using genetic algorithm
... entire period of the research work i TABLE OF CONTENTS ACKNOWLEDGMENTS i TABLE OF CONTENTS ii LIST OF FIGURES vii LIST OF TABLES x LIST OF PUBLICACTIONS ... assessment model using a more extensive version of GA search The validity of the proposed method by case studies is shown using various sets of sag data and consumer data 1.3 ORGANIZATION OF THIS THESIS ... placement of TVRs is achieved by optimizing of an objective function that incorporates fuzzy membership functions of voltage profiles and device cost In consideration of stochastic sag events occurring...
Ngày tải lên: 26/11/2015, 12:24
Báo cáo y học: " Rationale for one stage exchange of infected hip replacement using uncemented implants and antibiotic impregnated bone graft"
... against colonisation of uncemented implants, the eluted amounts of antibiotics are likely to eliminate biofilm remnants, dead space management is more complete and defects may be reconstructed ... disrupted from biofilms that may be the cause of recurrence after an indefinite period of time Fragments of biofilms seem to be more vulnerable for antibiotics compared with intact biofilm systems ... taking advantage of the obvious benefits for patients and economy Key words: Hip, Revision, Infection, Biofilm, Antibiotic, Uncemented implants, Allograft, Bone Introduction Infection of a total hip...
Ngày tải lên: 26/10/2012, 09:53