... Pollution and Climate Change at Contrasting Altitude and Latitude. 23rd IUFRO Conference for Specialists in Air Pollution and Climate Change Effects on Forest Ecosystems. Murten, Switzerland, 7-12 ... Pollution and Climate Change at Contrasting Altitude and Latitude. 23rd IUFRO Conference for Specialists in Air Pollution and Climate Change Effects on Forest Ecosystems. Murten, Switzerland, 7-12 ... Pollution and Climate Change at Contrasting Altitude and Latitude. 23rd IUFRO Conference for Specialists in Air Pollution and Climate Change Effects on Forest Ecosystems. Murten, Switzerland, 7-12...
Ngày tải lên: 17/02/2014, 10:20
... b -angle of A5 and C23, which are (+)-ac (144.1° and 140.5°, respectively), the c -angle of G1 and C3 (trans; )171.3° and )173.3°, respectively), which is a consequence of triplex formation and ... geometry based on HF ⁄ 6–31G* calculations of the interaction between (A) the amidinium end and bases A25, T8 and G9; and (B) the guanidinium end and bases A5, T28 and A6. Intermolecular geometry ... most similarity with GDLB31 and GDJ046. Contacts con- served in all four structures are between the N4(Nt) and O2(T28), between the N6(Nt) and O2(T7) and between the N8(Nt) and O2(T8) atoms. The guanidinium...
Ngày tải lên: 16/03/2014, 22:20
Solar Radiation and Daylight Models doc
... M.C. and Rabl, A. (1979) The average distribution of solar radiation – correl- ations between diffuse and hemispherical and between daily and hourly insolation values. Solar Energy 22, 155. 58 SOLAR ... 1 1.1 Solar day 2 1.2 Equation of time 5 1.3 Apparent solar time 10 1.4 Solar declination 10 1.5 Solar geometry, SOLALT and SOLAZM 12 1.6 Astronomical sunrise and sunset 17 1.7 Actual sunrise and ... irradiation. Solar Energy 40, 93. Klein, S.A. (1977) Calculation of monthly-average insolation on tilted surfaces. Solar Energy 19, 325. Lam, J. and Li, D. (1996) Regression analysis of solar radiation and...
Ngày tải lên: 24/03/2014, 14:21
handbook of chemical and environmental engineering calculations
... environmental engi- neering graduate and undergraduate courses; problems and solutions drawn (with permission) from numerous Theodore Tutorials; and problems and solutions devel- oped by faculty ... problems and exam problems prepared by J. Jeris for graduate environmental engineering courses; notes, homework problems, and exam problems prepared by L. Theodore for several chemical and environmental ... units) CLM.5 STORAGE TANK CALCULATION A cylindrical tank is 20 ft (6.1 m) in diameter and 45 ft high. It contains water (of density 1000 kg/m 3 ) to a depth of 9 ft and a 36 ft height of oil...
Ngày tải lên: 01/04/2014, 11:45
A Guide to Molecular Mechanics and Quantum Chemical Calculations
... torsion angle, and the structure may be thought of in terms of this angle alone. Thus, staggered ethane (both the reactant and the product) is a molecule for which this angle is 60° and eclipsed ... molecules are made up of atoms and bonds (as opposed to nuclei and electrons), and atom positions are adjusted to best match known structural data (bond lengths and angles), as well as to accommodate ... Surfaces and Geometry 6 Potential Energy Surfaces and Thermodynamics 8 Potential Energy Surfaces and Kinetics 10 Thermodynamic vs. Kinetic Control of Chemical Reactions 12 Potential Energy Surfaces and...
Ngày tải lên: 12/06/2014, 22:18
báo cáo hóa học:" The paediatric Bohler’s angle and crucial angle of Gissane: a case series" docx
... investigate Bohler’s angle and the crucial angle of Gissane in a paediatric population and establish normal paediatric refere nce values. Method: We measured Bohler’s angle and the crucial angle of Gissane ... degrees) and the range of Table 1 Mean values of Bohler’s angle and the crucial angle of Gissane for different age groups Age (years) Number of patients Bohler’s Angle (degrees) Crucial Angle of Gissane ... Bohler’s angle was 35.2 degrees and the mean crucial angle of Gissane was 111.3 degrees. In an adult comparison group, the mean Bohler’s angle was 39.2 degrees and the mean cru cial angle of...
Ngày tải lên: 20/06/2014, 04:20
báo cáo hóa học:" The paediatric Bohler’s angle and crucial angle of Gissane: a case series" pptx
... degrees) and the range of Table 1 Mean values of Bohler’s angle and the crucial angle of Gissane for different age groups Age (years) Number of patients Bohler’s Angle (degrees) Crucial Angle of Gissane ... paediatric Bohler’s angle and crucial angle of Gissane: a case series Matthew J Boyle 1* , Cameron G Walker 2 , Haemish A Crawford 1 Abstract Background: Bohler’s angle and the crucial angle of Gissane ... Bohler’s angle was 35.2 degrees and the mean crucial angle of Gissane was 111.3 degrees. In an adult comparison group, the mean Bohler’s angle was 39.2 degrees and the mean cru cial angle of...
Ngày tải lên: 20/06/2014, 07:20
solar collectors and panels theory and applications Part 2 docx
... Collectors and Panels, Theory and Applications 40 1 ln( ) oc CB k dV dT q ≅− (11) One of the main differences in the technology fabrication between concentrator solar cells and standard solar ... distribution of the irradiation onto the receiver surface and the light incidence angles distribution onto the Solar Collectors and Panels, Theory and Applications 26 u’ v’ D Glass Optical ... spectrum of the white LED and the illuminance spectrum of the sun after passing through glass and plastic, in the visible range. They were Solar Collectors and Panels, Theory and Applications ...
Ngày tải lên: 20/06/2014, 11:20
solar collectors and panels theory and applications Part 12 pdf
... that the solar energy conversion efficiency is strongly correlated to the Mulliken charge of the carbon Solar Collectors and Panels, Theory and Applications 324 Mubiru and Banda (2008) ... errors were considered for the solar concentration system program, and the calculation conditions are: the non-parallelism angle of sunlight is 16' and the solar radiation flux is 1,000 ... 2008 Hybrid solar wind system Bala and Siddique Dufo-Lopez and Bernal-Agustin 2009 2005 PV-diesel hybrid system Lin and Phillips 2008 Solar cell Varun 2010 Flat plate solar air heater...
Ngày tải lên: 20/06/2014, 12:20
solar collectors and panels theory and applications Part 13 pptx
... harness and use the sun’s energy as heat, are called solar thermal systems. These include solar water heaters, solar air heaters, and solar stills for distilling water, crop driers, solar space ... given by 11s ARS π = (4.5) Solar Collectors and Panels, Theory and Applications 366 Fig. 3.2. The cone subtends angles δ θ and δ φ at the origin, and its cross sectional area at ... on simultaneously to heat the rings and thus, the water. Solar Collectors and Panels, Theory and Applications 362 The instantaneous efficiency of a solar concentrator may be calculated...
Ngày tải lên: 20/06/2014, 12:20
solar collectors and panels theory and applications Part 14 docx
... classical fuels. Solar collectors have been conceived and realized and several thermal solar installations for producing hot air and water have been devised and applied in industry. Solar energy ... kg/h and for densities of the solar flux of 500 600 W/m 2 , the raise of the water temperature may reach up to 30 o C and the efficiency 1 2 3 4 5 Solar Collectors and Panels, Theory and Applications ... absorber Incomin g ra y Solar Collectors and Panels, Theory and Applications 400 7. Solar heater for bitumen melting 7.1 Experimental installation The extension of the applications field of solar energy...
Ngày tải lên: 20/06/2014, 12:20
solar collectors and panels theory and applications Part 15 pot
... analyse the adequacy between models and measurements and thus go further in the knowledge about building physics. Solar Collectors and Panels, Theory and Applications 422 Fig. 12. Procedure ... real building and its thermal response. Four other cells (ISOTEST cells) are installed on the platform, reduced size and dedicated to the Solar Collectors and Panels, Theory and Applications ... proportion and the overall collector efficiency are related to the latent heat and heat capacity in saturation liquid states as discussed in Section 5.3. Solar Collectors and Panels, Theory and...
Ngày tải lên: 20/06/2014, 12:20
solar collectors and panels theory and applications Part 16 doc
... 50978241 and 50708105] and the National High Technology Research and Development Program of China (863 Program) [Project Number: 2007AA05Z444]. Solar Collectors and Panels, Theory and Applications ... Selection for Low Temperature Solar Thermal Power Generation with Two-stage Collectors and Heat Storage Units 443 [21] Ritter Solar product CPC 16w OEM, http://www.rittersolar.de [22] NAU FLATLINE ... 0.147 respectively. Although R113 and pentane have the best ORC performance the highest collector efficiency is obtained on the use of R245fa and butane. And the heat collection efficiency...
Ngày tải lên: 20/06/2014, 12:20
Solar Collectors and Panels, Theory and Applicationsband (CTB) Part 16 doc
... Selection for Low Temperature Solar Thermal Power Generation with Two-stage Collectors and Heat Storage Units 443 [21] Ritter Solar product CPC 16w OEM, http://www.rittersolar.de [22] NAU FLATLINE ... Generator h Conduction oil i Inlet o Outlet Solar Collectors and Panels, Theory and Applications 442 8. References [1] Prabhu E. Solar trough ORC. Subcontract report NREL/SR-550-39433 ... low-temperature solar Rankine cycle system utilizing R245fa. Solar Energy 84 (2010) 353–364 [11] S. Canada, G. Cohen, R. Cable, D. Brosseau, H. Price, Parabolic trough organic Rankine cycle solar power...
Ngày tải lên: 21/06/2014, 05:20
Solar Collectors and Panels, Theory and Applicationsband (CTB) Part 2 potx
... of the Sun, is determined by the Sun radius and the Sun-Earth distance. Solar Collectors and Panels, Theory and Applications 28 of the shelves and consequent new arrangement of the exhibit ... between the two lighting types (solar light and LED); light colour and uniformity. Lighting hue and colour balance have been examined in Sect. 5.5, where photometric and colorimetric measurements ... concentrator. In general, for low and medium concentration level, up to about Solar Collectors and Panels, Theory and Applications 32 evolution of the shapes for solar light concentrators. For...
Ngày tải lên: 21/06/2014, 05:20
Solar Collectors and Panels, Theory and Applicationsband (CTB) Part 3 pdf
Ngày tải lên: 21/06/2014, 05:20
Solar Collectors and Panels, Theory and Applicationsband (CTB) Part 4 pot
Ngày tải lên: 21/06/2014, 05:20
Solar Collectors and Panels, Theory and Applicationsband (CTB) Part 5 ppt
Ngày tải lên: 21/06/2014, 05:20
Solar Collectors and Panels, Theory and Applicationsband (CTB) Part 6 pot
Ngày tải lên: 21/06/2014, 05:20
Solar Collectors and Panels, Theory and Applicationsband (CTB) Part 7 doc
Ngày tải lên: 21/06/2014, 05:20