ion exchange and carbon adsorption
Báo cáo khoa học: "Growth, gas exchange and carbon isotope discrimination in young Prunus avium trees growing with or without individual lateral shelters" doc
... (competition for water and nutrients, allelopathy) and above-ground (competition for light, modification of temperature, air humidity and windspeed) interactions (Gjerstad et al, 1984 ; Radosevich and ... d’utilisation de l’eau / masse foliaire spécifique INTRODUCTION which can be beneficial for the status and water-use The neighbourhood relationships between young trees and the surrounding vegetation ... vegetation without any below-ground relationship - on young Prunus avium trees Measurements of: 1) microclimatic parameters ; 2) growth ; 3) leaf gas exchange ; and 4) leaf carbon isotope composition...
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Báo cáo lâm nghiệp: "Effects of elevated carbon dioxide on leaf gas exchange and growth of cork-oak (Quercus suber L) seedlings " pps
... enhancement i) on leaf gas exchange under well-watered conditions and moderate drought and ii) on biomass production and predict the impact of increasing CO upon natural vegetation, it is necessary ... temperature and photosynthetically active radiation were 35 °C and 900 -2 -1 , μmol m s respectively Gas exchange and water potential measurements Seedlings were watered daily Irrigation was discontinued ... concentration (table I) , CO DISCUSSION After months, and under well-watered conditions, daily maximum photosynthesis and stomatal conductance of Quercus suber seedlings at ambient and elevated...
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Báo cáo y học: "The influence of venous admixture on alveolar dead space and carbon dioxide exchange in acute respiratory distress syndrome: computer modelling" pot
... separated from the carbon dioxide elimination that depended on reduction in carbon dioxide tension One purpose of ventilation is to effect carbon dioxide exchange and achieve and maintain the target ... relationships between content and partial carbon dioxide tension and oxygen saturation in venous, arterial and pulmonary end-capillary blood Applying a simplified lung model, Mecikalski and coworkers ... pH; PvCO2, venous carbon dioxide tension; PaCO2, arterial carbon dioxide tension be estimated by using the shunt equation [8] The effect of shunt on dead space and carbon dioxide exchange reflects...
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Water and Carbon
... Water and Carbon: The Chemical Basis of Life May 4, 2011 Solid ….ice! 고체…얼음 Chất rắn ወወወ băng .وهي حالة ... estado de agregación de la materia en el que las sustancias no tienen forma ni volumen propio, adoptando el de los recipientes que las contienen الغاز هو أحد حال ت المادة، ومثل السوائل فإن الغازا...
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Improvement of nutrient removal and phosphorus recovery in the anaerobic/oxic/anoxic process combined with sludge ozonation and phosphorus adsorption
... environmental protection and phosphorus resource recovery, an A/O/A process involving microbubble ozonation and phosphorus adsorption was tested under various ozonation conditions The main conclusions are ... NO2-N, and PO4-P were measured with a TRAACS 2000 (Bran+Luebbe, Japan) RESULTS AND DISCUSSION The A/O/A process combined with the microbubble ozonation system and the phosphorus adsorption column ... phosphorus adsorption column and the backwash water, was circulated back to the anaerobic tank and the oxic tank at an appropriate rate (Table 1) Table Operational conditions The hydraulic retention...
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Treatment of semi-aerobic landfill leachate using durian peel-based activated carbon adsorption- Optimization of preparation conditions
... adsorbate in solution after adsorption is complete (mg/L); Q (mg/g) and b is the Langmuir adsorption constant related to the maximum adsorption capacity and the energy adsorption The Freundlich ... DP activated carbon (magnification 1000 x) Table presents the proximate and elemental analysis of precursor, char and DP activated carbon After undergoing carbonization and activation process, ... employed commercial activated carbon for COD adsorption such as [7] (Q = 37.88 mg/g), and [5],(Q = 4.16 mg/g) For the case of colour adsorption, it can be seen that adsorption of colour is well represented...
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Conventional Providing a Uniform Law for Bill of exchange and Promissory Notes
... intervention (Articles 55, 59 to 63); 308 Copies (Articles 67 and 68); 309 Alterations (Article 69); 310 Limitation of actions (Articles 70 and 71); 311 Holidays, computation of limits of time and ... Exchange and Promissory Notes (Geneva, 1930) The League of Nations Articles I - XI [Omitted] TITLE I - Bills of Exchange CHAPTER I - Issue and Form of a Bill of Exchange Article A bill of exchange ... of the parties liable to him and payable at the domicile of that party The redraft includes, in addition to the sums mentioned 201 in Articles 48 and 49, brokerage and the cost of stamping the...
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THE COLUMBIAN EXCHANGE AND NEW WORLDS
... gardening and became Australia’s vegetable and fruit specialists.24 Next, steamships, railroads, and refrigeration expanded the initial stock of American, European, and local foods while urbanization ... They added pigs, dogs, and chickens to a region short on edible land animals, along with plant foods like taro and yams, and food producing techniques like sago palm cultivation (starch is extracted ... giant marsupials and flightless birds on hand for the taking.9 Because Australia and New Zealand had been cut off from the rest of the world for close to 100 million years, the evolutionary process...
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THE COLUMBIAN EXCHANGE AND THE OLD WORLDS
... meat and dairy products delivered maize to humans second-hand But in some areas of cultivation – in northern Spain and Italy, The Columbian Exchange and the Old Worlds 137 southern France, and ... snowballed into a population explosion as the number of Europeans swelled in the eighteenth century; England’s population doubled between 1731 and 1816, and the French had some million more mouths to ... centuries-long cycle of famine and disease snuffing out population gains, whereby improved nutrition cut sharply into infant and child mortality and strengthened the immune system of young and old alike to...
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Tài liệu Medicinal Chemistry and Pharmacological Potential of Fullerenes and Carbon Nanotubes docx
... the location of the functional groups, two main strategies are used to covalently functionalise CNTs with biomolecules: (i) defect functionalisation, and (ii) sidewall functionalisation 2.2.3.1 ... Several different methods of sidewall functionalisation, such as fluorination, radical addition, nucleophilic addition, electrophilic addition and cycloaddition, have been developed (Tasis et al., ... (a) and multiwalled carbon nanotubes (b) Several methods for the production of both types of tubes and the modulation of their dimensions are available in the literature (Special issue on Carbon...
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Tài liệu Growths and Carbon Stocks of Para Rubber Plantations on Phonpisai Soil Series in Northeastern Thailand ppt
... 2.70 million across Thailand with the majority (2.10 million ha) in the traditional areas in the southern (2.61 million ha) and eastern 14.68 million ha) region and the remaining 0.60 million are ... KCl and titrated with 0.01 M NaOH), cation exchange capacity (CEC; calculated from the summation of EA and exchangeable Ca, Mg, Na and K) and base saturation (BS; calculated from the RESULTES AND ... bottom soil, natural forest and 20 years old plantations have clay soil, and 10 years old plantations have sandy clay loam to clay and and 15 years old plantation have sandy clay loam to clay soil...
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The Foreign Exchange and Interest Rate Derivatives Markets: Turnover in the United States, April 2010 doc
... options such as average rate options and barrier options Currency swaption OTC option to enter into a currency swap contract Currency warrant OTC option; long-dated (over one year) currency option ... swaps, and foreign exchange and interest rate options) averaged $659 billion, up percent See Chart Chart 2: Daily U.S FX and Interest Rate Derivatives Turnover Includes currency swaps, FX options, ... forwards, and swaps as the foreign exchange part of the survey Trading in forward rate agreements (FRAs), currency and interest rate swaps, foreign exchange options, and interest rate options are...
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Triennial Central Bank Survey: Foreign exchange and derivatives market activity in April 2010 pptx
... separate information on local and cross-border transactions The distinction between local and cross-border had to be determined according to the location of the counterparty and not its nationality “Reporting ... transactions and those with non-reporting financial institutions and customers Another complication involves changes in definitions Most changes in definitions reflect improvements in compilation ... foreign exchange swaps, currency swaps, currency options and other foreign exchange products) Turnover on global foreign exchange markets and in interest rate derivatives is analysed in Tables to and...
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activated carbon adsorption
... activated carbons; their surface structure; the adsorption on solid surfaces and the models of adsorption; adsorption from solution phase; the preparation, characterization of, and adsorption by carbon ... of adsorption, the energetics of adsorption, the theories of adsorption, and the adsorption isotherm equations (e.g., the Langmuir equation, BET equation, Dubinin equation, Temkin equation, and ... gas and the temperature of adsorption, the adsorption equilibrium can be represented as an adsorption isotherm at constant temperature, the adsorption bar at constant pressure, and the adsorption...
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gas - sensing properties of tin oxide doped with metal oxides and carbon
... MWCNTs (adsorption energy is about 0.32 eV) [36] that can serve as a reactive gas for the oxidation reactions of LPG These reasons can enhance Reactions (3) and (4) Additionally, the consumption ... fabrication and characterization of organic–inorganic hybrids and nanomaterials for application to electronic devices and battery systems Mai Anh Tuan received his MSc degree from the International ... fabrication and characterization were described in our previous works [4,14] All sensors were tested with various concentrations of ethanol gas (100–1000 ppm) and LPG (0.1–1% or 1000–10,000 ppm), and...
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photocatalytic nanocomposites based on tio2 and carbon nanotubes
... Degradation and mineralization can be monitored by determining sulfate ion and total organic carbon concentrations in the reaction solution In this study, the reduction in the concentration of ... band leaving a hole behind Excited state conduction-band electrons and valence-band holes can recombine and dissipate as heat The valence-band holes are powerful oxidants, while the conduction-band ... recombination and scavenging photogenerated electrons through the interface between TiO2 and carbon nanotube and graphene structures Work functions of noble metals, that are resistant to corrosion and...
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The Economics of Foreign Exchange and Global Finance pptx
... foreign exchange markets and foreign exchange rate determination, foreign exchange risk management, and international investment analysis Peijie Wang, May 2005 Contents Foreign Exchange Markets and ... Foreign Exchange Rates 1.1 Foreign Exchange Rate Quotations and Arbitrage 1.1.1 Foreign Exchange Quotations 1.1.2 Cross Rates and Arbitrage .3 1.2 Foreign Exchange Transactions ... to the needs of international trade on the one hand, and makes international comparison of commodities and consumptions difficult on the other hand Then, transportation and physical movements...
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Báo cáo khoa học: Determination of the metal ion dependence and substrate specificity of a hydratase involved in the degradation pathway of biphenyl/chlorobiphenyl pot
... the cation include the activation of water for the hydration reaction and ⁄ or the stabilization of the anion transition state In the latter case, if the substrate coordination to the metal ion ... C1-carboxyl and C2-carbonyl oxygens [7] Based on mechanistic consideration, interaction of the divalent cation with the C2-carbonyl oxygen is expected to stabilize the enolate anion transition state ... preparation after anion exchange (lane 2); preparation after hydrophobic column chromatography (lane 3), preparation after gel filtration (lane 4) The molecular mass of the proteins in the standard...
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carbons and carbon supported catalysts in hydroprocessing
... fullerenes Reactions included reduction, oxidation, alkylation and related reactions, reactions with neutral bases, cycloaddition reactions, epoxidation and oxygenation, halogenation, Friedel–Crafts ... compounds and real feeds The most frequently used carbons, such as activated carbon and carbon blacks, were active for hydrogenation, hydrodesulfurization, hydrodenitrogenation and hydrodemetallization ... Adsorption, Activation and Transfer by Carbons The hydrogen activation and transfer by carbon- supported catalysts may involve both the support and catalytically active metals These contributions...
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ion exchange
... create ion exchange properties These are known as ‘ionogenic’ groups and are either ionized, or capable of dissociation into Rxed ions and mobile counterions In an inorganic exchanger the ionogenic ... Corporation.) Inorganic Ion Exchange Materials The traditional classiRcation of inorganic ion exchange materials is: ClassiVcation There are countless inorganic substances for which ion exchange ... of an ion exchange iso- Figure Idealized ion exchange isotherms (see text for details) Sepsci*1*TSK*Venkatachala=BG where mA,B and MA,B are the ion concentrations in mol dm\3 in solution and solid,...
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