seaweed mold fleas trees and snakes have in common

... is directly overhead What seaweed, mold, fleas, trees, and snakes have in common? They are all living organisms What is a body covering found on animals? Body coverings are often used to classify ... left” or “one meter in front of”? What is the Earth’s main source of light and heat? The Sun! The Sun provides all of the heat and light the earth needs in order to have living things survive Ten ... animals or sort them into groups A few body coverings are skin, fur, feathers, and scales What is the function of most wings? The structure of wings are mostly used for flying A robin eats a grasshopper...

Ngày tải lên: 05/07/2015, 03:00

... (24) (25) where u and v in (24, 25) are determined from maximizing the RHS of (24) and satisfying constraint (25) An important implication of (24, 25) is that Q h (W ) is an increasing function of ... on heat pipe and exchanger, and thermal stress are significant issues in a design of wide range of industrial processes and devices This book introduces advanced processes and modeling of heat ... flow, oxidation, and of heat pipe and exchanger to the international community It includes 17 advanced and revised contributions, and it covers mainly (1) thermodynamic effects and thermal stress,...

Ngày tải lên: 19/06/2014, 10:20

... K in  K out   Lin  Lout (5) K in and K out are incoming and reflected short wave radiations respectively,  Lin and Lout are absorbed and emitted long wave radiations correspondingly, and ... temperature in winter and decreases it in summer (Figure 3) In this way it acts as a heat source in wintertime and a heat sink in summertime As a result, shallow groundwater increases the intensity ... the gained heat in more evaporation, finally, outgoing long wave radiation continuously alleviates land surface temperature by emitting energy into the atmosphere Therefore, the increase in land...

Ngày tải lên: 19/06/2014, 10:20

... problem of heat conduction for semi-infinite body in cylindrical coordinates system ( r , z ) with the beginning in the centre of heated surface, can be considered in the form: 2 T  r2   T 2 ... is shown in Fig.10 and Fig.11, respectively The maximum stress intensity, Sn,max (=σSI,max／EαΔT) and its generating location, βΔz, is shown in Fig.12 and Fig.13, respectively The stress intensity ... and Thermodynamic Effects The maximum bending stress, Szb,max and its generating location, βΔz, is shown in Fig.8 and Fig.9, respectively The maximum membrane stress, Shm,max and its generating...

Ngày tải lên: 19/06/2014, 10:20

... efficiency and the minimization of the total cost enclosing capital and running costs are the main purposes e.g Munoz and Von Spakovsky (2003) Physical and thermodynamic criteria and technical and economic ... passing through the circuit and the number of semiconductors pairs In practice, pairs are combined into a module which they are electrically connected in series and thermally in parallel 97 Principles ... 0, , and number of components in subtotals (145) and (151) was chosen from accuracy defined condition Evolution of dimensionless temperature T *  T / T0 in defined points on the semi-infinite...

Ngày tải lên: 19/06/2014, 10:20

... 25.4 and 31.75 mm, types of number of tube passes, 1, 2, 4, and 8, and 21 different types of shell and tube bundle diameter, beginning on 205 mm and 173.25 mm, respectively, and finishing in 1,524 ... din can be found by the following equations: (44) din1   y1bwg din j j 1 11 bwg din2   y2 j din (45) d in  d in1  d in (46) j 1 BWG 10 11 12 13 14 15 16 17 18 Table Determination of din ... Bopt Bopt remains constant, whereas an increase in Q leads to an increase in θset,min Obviously, a similar effect is observed concerning the behaviors of Bopt and θset,min according to conductance...

Ngày tải lên: 19/06/2014, 10:20

... minimum cost including heat exchange area cost and pumping cost or just heat exchange area minimization, depending on data availability, rigorously following the Standards of TEMA and respecting ... shell and tube sides pressure drops and fouling limits Given a set of fluids data (physical properties, pressure drop and fouling limits and flow rate and inlet and outlet temperatures) and area and ... helical finning by cutting the fins into short sections by a thin mill along the generatrix of a carrying cylinder or along a helical line at an angle of 45o Cutting does not practically diminish...

Ngày tải lên: 19/06/2014, 10:20

... 173 δ, in addition to finding their optimal layout represented by ratios σ1 and σ2, involves finding the optimal values of γ and b/h Special investigations were performed for determining the ... improving the flow pattern within the bundle may allow attaining a significant rise in the heat transfer rate without an excessive increase in drag Depending on the fin-bending parameters, layout and ... enhanced finned surfaces is of interest also in the following aspects: tubes with fins of the suggested type can be manufactured employing standard technologies of rolling-on and welding-on of fins...

Ngày tải lên: 19/06/2014, 10:20

... the old and new systems Petro coke handling at Albras carbon plant In smelters that use prebaked anodes, operations such as butt cleaning, butt and anode reject crushing and grinding, handling of ... Powder Handling in Industrial Furnaces Operations 221 Fig 11 (a) Elemental block of alumina in an air-fluidized conveyor inclined of an angle  , (b) in the left: elemental block alumina being fluidized ... conveying and fluidization will be discussed in this chapter, such as the definition of a pneumatic conveying in dilute and dense phase, the fluidized bed regime map as illustrated in figure and finally...

Ngày tải lên: 19/06/2014, 10:20

... Albras aluminum smelter The last case study regarding powder handling at very low velocity such is illustrated in figure is used in several industrial applications and the intention in this case ... inclination in velocities less than the minimum fluidization velocity, because the equation doesn’t take in to account the height of material in the feeding bin according (Jones, 1965) equation In ... process showing spontaneous combustion of large amount of coal stock, (a), (b) and (c): Hot spot forming process with accumulating heat and shrinking zone of oxidation and preheating zone, (d):...

Ngày tải lên: 19/06/2014, 10:20

... triangular MHP In the figure, the negative inclination angle indicates a top heating mode in which the evaporator is located higher than the condenser, and conversely, the positive inclination angle ... approximated by a linear function This function is introduced in the heat equation associated to each interval At the interface between intervals, the continuity of temperature function and its first ... providing the values for the coefficients obtained in the final solution Integral Transform Method Versus Green Function Method in Electron, Hadron or Laser Beam - Water Phantom Interaction 269 In...

Ngày tải lên: 19/06/2014, 10:20

... flow in the low (1–3 W) and middle (4–6 W) power, and annular flow in the high power (over W) The velocity of the fluid flow increased according to the input power Further study on determining ... electrical candle, placed in central part of the head Candle is placed in open volume, in which oxidizer and fuel go during tangential channel like for injectors Control mass flow of kerosene in volume ... Zhang and M J Chao Zhengzhou University China Introduction High power lasers have been widely used in industry as well as in laboratory for materials surface heat treatment, cladding, welding,...

Ngày tải lên: 19/06/2014, 10:20

... loss during melting Magnetic forces can lead to deformation and fracture of the inductor and accelerated body and other phenomena The main problem limiting the attainment of high velocities in metal ... railguns, induction and rail accelerators of conducting solids) taking into account the limitations imposed on the heating of the launcher and accelerated body during acceleration; and investigates ... limitations in attaining high velocities in electromagnetic launchers; analyzes the possibility of increasing the ultimate (in terms of heating conditions) velocities of accelerated solids in subcritical...

Ngày tải lên: 19/06/2014, 10:20

... [46], industrial waste [47] and organic compounds containing nitrogen, polyacrylonitriles, and melamine and urea resins [48-51] The initial mechanical processing of the raw material involves: grinding ... grinding of the output product; addition of binding agents, for example aluminosilicate [52], tar, and refinery waste [47, 53-55]; thickening; drying; initial thermal treatment; and giving the ... but in the case of coal it is unlikely to be used in the near future, because it is ineffective and requires building of a fuel refining industry The next two directions are currently being used...

Ngày tải lên: 19/06/2014, 10:20

... of numerous data, contained in patent information, findings of studies conducted on an increased scale on existing pilot installations, as well as on the basis of bidding information of Bergbau-Forschung ... experiments in this area [77,78] clearly indicated the advisability of initial lowering of the SO2 concentration in purified gases, using excess ammonia with respect to the total of SO2 and NO, ensuring ... post-absorption solution, resulting in gases where it is present in high amount After drying and cooling the gases are subjected to separate processing On the other hand, NO reduction is carried...

Ngày tải lên: 19/06/2014, 10:20

... K in  K out   Lin  Lout (5) K in and K out are incoming and reflected short wave radiations respectively,  Lin and Lout are absorbed and emitted long wave radiations correspondingly, and ... temperature in winter and decreases it in summer (Figure 3) In this way it acts as a heat source in wintertime and a heat sink in summertime As a result, shallow groundwater increases the intensity ... the gained heat in more evaporation, finally, outgoing long wave radiation continuously alleviates land surface temperature by emitting energy into the atmosphere Therefore, the increase in land...

Ngày tải lên: 26/06/2014, 23:20

... direct inter-band light absorption inside SPEQDs in the strong SQ regime The absorption coefficient is given by the relation (20) In this particular case for the K and AE we obtained the following ... or SPEQDs, have various commercial applications, in particular in large twodimensional focal plane arrays in the mid- and far infrared (M&FIR) region, having important applications in the fields ... are growing when the magnetic field intensity is increased This is conditioned by growth of the magnetic quantization contribution into the CC energy increase Inter level distance is increased...

Ngày tải lên: 22/06/2014, 19:20

... Valbuena and Tárrega [55] in another population of Q pyrenaica, who found that intense heat treatments inhibited germination in this species Other data on the inhibition of germination in trees ... Dilution (increase of 28%), Control (increase of 27%) and Smoke–5 (increase of 24%) In the treatments Smoke–10 and Smoke–15 the increases are more moderate, 18.4 and 16%, respectively Finally, ... trees caused by intense heat are those contributed by Keeley [20] in Quercus dumosa, by Reyes and Casal [34, 35] in Betula pendula and Pinus sylvestris and by Trabaud and Oustric [54] and Martínez-Sánchez...

Ngày tải lên: 08/08/2014, 00:22

... /3-pinene modified pigment and a-tocopherol levels (Table I) Fumigation with j3-pinene led to an increase in chl b and car in (D), (wUD), (rUD) and (bUD) However, in (wL), (WUD) and (BL), P-pinene ... screening experiments indicated an increase in pigment content of chloroplasts after sublethal treatments with P-pinene in white light/dark cycles Depending upon light-quality, -quantity and light/dark ... environments in continuous light or in 12:12 h cycles of light and dark at 298°K After fumigation, seedlings were combined for each sample and analyzed for their pigment content and a-tocopherol...

Ngày tải lên: 09/08/2014, 04:20

... and with high intrinsic squareness, the demagnetizing fields not necessarily broaden the transitions during writing and storage Also, the head field and field gradient are better maintained and ... of thin films were reported to be different to those of bulk alloys.52 As in bulk alloys, annealing causes an initial increase and then a decrease in Hc, due to the increase in grain size In thicker ... to the Fe and Pt atoms, resulting in the promotion of the phase ordering in the FePt film In addition, the doped materials either introduce domain wall pinning sites to impede the domain wall motion...

Ngày tải lên: 13/09/2015, 21:23