all plants make their own food all animals depend on plants for a food source but some also eat other animals
quiz
Ngày tải lên :
05/07/2015, 03:00
... rain and sun The relationship between these organisms can be written as a food chain All plants make their own food All animals depend on plants for a food source, but some also eat other ... other animals What structure in the skeleton of a lion might tell us the lion is a meat eater? One structure is his sharp teeth that are used for tearing meat He also has strong muscles used for ... Magnetic force is observed when magnets repel or attract What causes the moon to appear to change shape over a month? The lit part of the moon we see from Earth appears to change shape because of...
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Heat Analysis and Thermodynamic Effects Part 1 ppt
Ngày tải lên :
19/06/2014, 10:20
... Putra Malaysia Malaysia Part Thermodynamic and Thermal Stress Enhancing Spontaneous Heat Flow Karen V Hovhannisyan and Armen E Allahverdyan A. I Alikhanyan National Science Laboratory, Alikhanyan ... Rui Camargo and Maria Claudia Costa de Oliveira Chapter On the Thermal Transformer Performances Ali Fellah and Ammar Ben Brahim Part Heat Pipe and Exchanger 107 127 Chapter Optimal Shell and Tube ... Flow and Oxidation 209 Chapter 10 Gas-Solid Flow Applications for Powder Handling in Industrial Furnaces Operations 211 Paulo Douglas Santos de Vasconcelos and André Luiz Amarante Mesquita Chapter...
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Heat Analysis and Thermodynamic Effects Part 2 doc
Ngày tải lên :
19/06/2014, 10:20
... in a vessel L Conventional method Tf z Tm T in Attenuation by heat conduction in a vessel wall Attenuation by heat transfer at inner surface T Proposed method Fig Comparison of conventional and ... mitigates land surface temperature through the reciprocal swap of heat with air above land surface, latent heat flux exploits the gained heat in more evaporation, finally, outgoing long wave radiation ... latent heat fluxes (equation (7)) and the outgoing long wave radiation The latter affects the net radiation available for the three fluxes, hence it affects again sensible and latent heat fluxes On...
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Heat Analysis and Thermodynamic Effects Part 3 docx
Ngày tải lên :
19/06/2014, 10:20
... (distribution of laser irradiation in a plane normal to the beam axis) is also complex and challenging for precised analytical description In approximation the spatial distribution of laser irradiation ... laser beam axis For f the normal (gaussian) distribution and for f doughnut – toroidal distribution, is obtained Fig Laser irradiation heating model and area shape visualization of phase transition ... essentially from the relevant characteristics of irradiation generated by traditional sources, natural and artificial one Laser irradiation has specific, distinguishing features: high level of spatial...
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Heat Analysis and Thermodynamic Effects Part 4 docx
Ngày tải lên :
19/06/2014, 10:20
... electrical carriers The elements are arranged into an array that is electrically connected in series but thermally connected in parallel This array is then affixed to two ceramic plates, one on each ... extraneous heat input (heat leak) to the object as a result of conduction, convection, and/or radiation? How much space is available for the module and heat sink? What power is available? Does ... Technological Development (CNPq), Brazil References Abdul-Wahad, S A. , Elkamel, A. , Al-Damkhi, A M., Al-Habsi, I A. , Al-Rubai´ey´, H S., AlBattashi, A K., Al-Tamimi, A R., Al-Mamari, K H., & Chutani,...
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Heat Analysis and Thermodynamic Effects Part 5 doc
Ngày tải lên :
19/06/2014, 10:20
... pp.313-319 Part Heat Pipe and Exchanger Optimal Shell and Tube Heat Exchangers Design Mauro A S S Ravagnani1, Aline P Silva1 and Jose A Caballero2 1State University of Maringá of Alicante 1Brazil 2Spain ... system consists of a refrigerated space, an absorption refrigerator and a solar collector The classical thermodynamics and mass and heat transfer balances are used to develop the mathematical model ... numerical simulation is made for different operating and conceptual conditions 6.1 Transient regime mathematical model The primary components of an absorption refrigeration system are a generator, an...
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Heat Analysis and Thermodynamic Effects Part 6 pot
Ngày tải lên :
19/06/2014, 10:20
... boundary layer from the fin surface in zone A3 and the formation, in addition to the small corner zone A1 of still another circulation zone, namely A3 The secondary flow is reattached in zone A4 and ... (ΔPt and ΔPs), 155 Optimal Shell and Tube Heat Exchangers Design Part A Part B Part C Mizutani et al (2003) Ravagnani and Caballero (200 7a) Ravagnani et al (2009) Mizutani et al (2003) Ravagnani ... exchanger parameters and area are calculated, considering the Equations from the Ravagnani and Caballero (200 7a) as well as Equations (155) to (160) This is done to all particles even they are not a problem...
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Heat Analysis and Thermodynamic Effects Part 7 pdf
Ngày tải lên :
19/06/2014, 10:20
... respectively) On the Optimal Allocation of the Heat Eexchangers of Irreversible Power Cycles 191 The optimal allocation of the heat exchangers for a Carnot-like cycle The optimal allocation of the heat ... effectiveness) on hot and cold sides (see equations (1) and (3)) Then, A = AH + AL = α β + UH UL (24) where AH and AL are heat transfer areas on hot and cold sides, and UH and UL are overall heat transfer ... Consequently, the optimal area ratio of the heat exchangers is given by: AL = I AH or the optimal distribution of the heat exchangers areas is: (27) On the Optimal Allocation of the Heat Eexchangers of Irreversible...
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Heat Analysis and Thermodynamic Effects Part 8 potx
Ngày tải lên :
19/06/2014, 10:20
... 1361-6463 Aragón-González G., Canales-Palma A. , León-Galicia A & Musharrafie-Martínez, M (2005) The fundamental optimal relations and the bounds of the allocation of heat exchangers and efficiency for ... 0103-9733 Aragón-González G., Canales-Palma A. , León-Galicia A & Rivera-Camacho, J M (2009) The fundamental optimal relations of the al location, cost and effectiveness of the heat exchangers of a Carnot-like ... Gas-Solid Flow Applications for Powder Handling in Industrial Furnaces Operations Paulo Douglas Santos de Vasconcelos¹ and André Luiz Amarante Mesquita² ¹Albras Alumínio Brasileiro S /A ²Federal...
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Heat Analysis and Thermodynamic Effects Part 9 pptx
Ngày tải lên :
19/06/2014, 10:20
... Oxidation and Heat Generating Zone θ0, C0 Heat Transfer & Radiation Preheated Zone Heat Transfer & Radiation θ0, C0 Low Oxygen Concentration Zone Hot Spot Formation (a) θ0, C0 Heat Transfer & Radiation ... spontaneous combustion of coal also creates a problem for transportations on sea or land Generally, the self-heating of coal has been explained using the imbalance between the heat transfer rate ... from a boundary surface to the atmosphere and heat generation via oxidation reaction in the stock The oxidation reaction depends on temperature and the concentrations of unreacted and reacted...
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Heat Analysis and Thermodynamic Effects Part 10 pptx
Ngày tải lên :
19/06/2014, 10:20
... study indicates that for a sample under one, two or three laser irradiation, the heat equation has an exact semi-analytical solution In fact it can be considered an analytical solution because the ... electron beam-water phantom interaction, proton-water phantom interaction, laser-optical components interaction and, in general, laser-solid media interaction (with the condition that the absorption ... we have multiple sources irradiations We consider a parallelepiped sample with dimensions a, b, and c The sample is irradiated by three laser beams which propagate along the Cartesian coordinate...
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Heat Analysis and Thermodynamic Effects Part 11 docx
Ngày tải lên :
19/06/2014, 10:20
... tubular type MHP, which was considered in chapter 3, can be used in any applications and may also be packaged for high heat flux applications The FPMHP, which was fabricated by Al extrusion, was ... special software the sizes and concentrations parts of 300 Heat Analysis and Thermodynamic Effects aerosol are calculated Control of laser radiations is realized across computer (for increase ... device failure due to strains induced by expansion and contraction Materials with opposite thermal properties, namely contract on heating and expand on cooling are particularly desired to facilitate...
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Heat Analysis and Thermodynamic Effects Part 12 pdf
Ngày tải lên :
19/06/2014, 10:20
... section is to compare results of 2-D and 3-D calculations of armature heating for various armature shapes, matched acceleration dynamics, and totalcurrent distribution curves 5.1 Formulation of ... temperature distribution in the armature It was assumed that the armature is accelerated in a rail accelerator at a constant total current equal to 100 kA Fig 21 Ratio of the maximum armature ... temperature Metallic contact is lost, and transition to the acceleration regime with plasma 336 Heat Analysis and Thermodynamic Effects contact occurs Some undesirable consequences may be failure...
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Heat Analysis and Thermodynamic Effects Part 13 ppt
Ngày tải lên :
19/06/2014, 10:20
... catalyst is uniformly loaded Apart from the main reactions, there are also adverse associated reactions: Selective Catalytic Reduction NO by Ammonia Over Ceramic and Active Carbon Based Catalysts ... important for industrial catalysts to be resistant to abrasion, and when a catalyst is poisoned especially in its surface layer, catalytic activity is maintained with gradual abrasion of the surface ... The raw materials used to obtain active carbons contain carbon and include hard coal, brown coal, peat coal, charcoal, coconut shells [46], industrial waste [47] and organic compounds containing...
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Heat Analysis and Thermodynamic Effects Part 14 pot
Ngày tải lên :
19/06/2014, 10:20
... exploitation can be easily utilised e.g by combustion In comparison to titania based ceramic SCR catalysts active carbon based catalysts are relatively cheaper Active carbon based catalysts are capable ... separation and application of small gas flow rates Active carbon monoliths can be effectively utilized in all operations where active carbon is being applied as a granulate (adsorption in gases ... drop along the catalyst bed and require the dust separation and application of small gas flow rates Active carbon monoliths can be effectively utilised in all operations where active carbon is...
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HEAT ANALYSIS AND THERMODYNAMIC EFFECTS doc
Ngày tải lên :
26/06/2014, 23:20
... Putra Malaysia Malaysia Part Thermodynamic and Thermal Stress Enhancing Spontaneous Heat Flow Karen V Hovhannisyan and Armen E Allahverdyan A. I Alikhanyan National Science Laboratory, Alikhanyan ... Rui Camargo and Maria Claudia Costa de Oliveira Chapter On the Thermal Transformer Performances Ali Fellah and Ammar Ben Brahim Part Heat Pipe and Exchanger 107 127 Chapter Optimal Shell and Tube ... groundwater was demonstrated in simultaneous alteration of land surface temperature, ground heat flux, sensible heat flux, latent heat flux and outgoing long wave radiation at land surface The...
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Báo cáo hóa học: " Electron States and Light Absorption in Strongly Oblate and Strongly Prolate Ellipsoidal Quantum Dots in Presence of Electrical and Magnetic Fields" pot
Ngày tải lên :
22/06/2014, 19:20
... for electron and hole (as for non-interacting particles) The quantum dot shape indicates that particle motion along the Z-axis takes place faster than in the normal direction, this also allows to ... Practical Applications Ellipsoidal QDs, especially SOEQDs or SPEQDs, have various commercial applications, in particular in large twodimensional focal plane arrays in the mid- and far infrared ... electron and hole The shape of QD depicted in the Fig 1b makes possible the particle motion in the radial plane to be faster than along the Z-axis, which also allows to use adiabatic approximation...
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Báo cáo lâm nghiệp: " Seed germination of Quercus robur, Q. pyrenaica and Q. ilex and the effects of smoke, heat, ash and charcoal" ppsx
Ngày tải lên :
08/08/2014, 00:22
... germination during almost all the year The distribution of germination throughout the year allows Q robur and Q pyrenaica to have a group of seedlings available to take advantage of punctual resources ... Smoke–5 caused a delay of weeks, Charcoal caused a delay of weeks and Ash obtained exactly the same value The ANOVAs used to compare the data obtained for both species at the end of a year and at 22 ... many species, such as Pinus pinaster and Pinus radiata [38], Cistus psilosepalus, Calluna vulgaris, Erica umbellata or Daboecia cantabrica [15] The general distribution pattern of germination...
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Báo cáo lâm nghiệp: "Light-quality and -quantity effects on monoterpene-mediated photo-bleaching of conifer needles" pot
Ngày tải lên :
09/08/2014, 04:20
... n-hexane and 3% ethylacetate Results and Discussion The results are summarized in Table I The data on the non-fumigated seedlings show - a light-dependent accumulation of pigments, a well-known ... pigments primarily affected chlorophyll a Accumulation of b depended strongly upon membrane biogenesis Grana development in conifers was also stimulated by far-red light (Tyskiewicz et al., 1979) ... physiological adaptation (for review see Voskresenzkaya, 1988) In white light/dark cycles, chlorophyll b and carotenoids were increased over the dark controls, while blue, red and far-red light conditionsalso...
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The effects of additional nonmagnetic layers on structure and magnetic properties of l10 fept thin films
Ngày tải lên :
13/09/2015, 21:23
... The target with a negative potential will attract the argon ions and the argon ions are accelerated towards the target material As a result, the target materials are displaced and 29 transferred ... is constricted by a nonmagnetic matrix during heat treatment The change in nonmagnetic matrix volume fraction changes the magnetic particles' intergranular distance, average grain size, and particle ... rise time Last but not the least, perpendicular media can naturally have a strong uniaxial orientation This should lead to a tight switching-field distribution and sharper written transitions There...
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