— characteristics and selection
Chapter 9: Working with Selections and Selection Layers
Ngày tải lên :
27/08/2012, 14:31
... choosing Selection Add Layer to Selection or Selection Subtract Layer From Selection Figure 9-23: Convert a selection layer to a selection and see the marching ants Figure 9-24: You can convert selection ... Chapter 9: Working with Selections and Selection Layers You can also take any visible selection layers you have and add them to or subtract them from an existing image layer selection (See Figure ... a selection layer that you’ll later convert to an image layer selection Converting selection layers to image selections Converting an area you block off in a selection layer into an actual selection...
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Constellation Characteristics and Orbital Parameters
Ngày tải lên :
14/09/2012, 11:26
... dt dt dt ð3:32Þ dr dr ¼ 2r· dt dt ð3:33Þ and Substituting (3.32) and (3.33) into (3.31) gives: dv2 m dr2 ¼2 dt 2r dt ð3:34Þ Constellation Characteristics and Orbital Parameters 89 Integrating (3.34) ... co-ordinate system Constellation Characteristics and Orbital Parameters 91 the satellite moves upward and downward through the equatorial plane are called ascending node and descending node, respectively ... bsinE ¼ að1 e2 Þ1=2 sinE ð3:48Þ and OB ¼ rcosq ¼ acosE ae ð3:49Þ Adding QB and OB from equations (3.48) and (3.49) gives: qffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffi r ¼ a2 ð1 ecosEÞ2 and q ¼ 2tan 21 " 11e 12e 1=2...
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Tài liệu CLUTCHES AND BRAKES Design and Selection
Ngày tải lên :
20/10/2012, 09:58
... Understanding Gear Noise, J Derek Smith Chains for Power Transmission and Material Handling: Design and Applications Handbook, American Chain Association Corrosion and Corrosion Protection Handbook, ... Pressure Sensors: Selection and Application, Duane Tandeske 73 Zinc Handbook: Properties, Processing, and Use in Design, Frank Porter 74 Thermal Fatigue of Metals, Andrzej Weronski and Tadeusz Hejwowski ... Revised and Expanded, Earl Logan, Jr 86 Vibrations of Shells and Plates: Second Edition, Revised and Expanded, Werner Soedel 87 Steam Plant Calculations Manual: Second Edition, Revised and Expanded,...
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INDUSTRY CHARACTERISTICS AND SOCIO-ECONOMIC STATUS OF FISHERIES INDUSTRY
Ngày tải lên :
13/04/2013, 10:31
... b) Demand conditions c) Related and supporting industries d) Firm strategy, structure and rivalry 1.1.4 SWOT analysis 4 10 10 11 12 13 13 13 14 15 15 16 16 16 INDUSTRY CHARACTERISTICS AND SOCIO ... performance and ending with the review and possible revision of mission and objectives, this stage includes step through step • The second stage is the process of generation, evaluation and selection ... demand conditions, related and supporting industries and firm strategy, structure and rivalry (figure 2.6) 14 Figure 5: Determinants of national competitiveness Chance Firm trategy structure and...
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Improvement of recruitment and selection process in HKT Consultant Jsc
Ngày tải lên :
24/07/2013, 15:36
... choosing the best pool of candidates quickly and cost efficiently But successful recruitment and selection can be costly and time-consuming Still, recruitment and selection is crucial for a business, ... current recruitment and selection process of HKT Then, a critical analysis of the existing recruitment and selection process is conducted to determine which recruitment and selection practices ... recruitment and selection process in terms of theoretical point of view and the practical use The study will allow learning about the recruitment and selection issues, importance, modern techniques and...
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CHARACTERISTICS AND DISTRIBUTIONS OF NITROUS OXIDE-PRODUCING DENITRIFYING FUNGI IN NATURAL ENVIRONMENTS
Ngày tải lên :
05/09/2013, 08:40
... samples Chloramphenicol and cycloheximide were used as specific growth inhibitors of bacteria and fungi, respectively (Anderson and Domsch, 1975; Newell et al., 1983; Fuhrman and McManus, 1984; Bjornsen, ... of the resulting N2O concentration (Weiss and Price, 1980; Fogg and Gerrand, 1991) - 69 - Results Characteristics of fungal denitrification in sediments and soils Figure shows the behaviors of ... biomass and metabolic activity in the Table Potentials and contributions of bacterial and fungal denitrifications in tea soils, the submerged litter and sediment of an irrigation pond, and the...
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Theoretical modeling of combustion characteristics and performance parameters of biodiesel in DI diesel engine with variable compression ratio
Ngày tải lên :
05/09/2013, 16:11
... for diesel and biodiesel are approximate, as C13.77H23.44 and C19H35O2 respectively [8, 9] The combustion model is developed for the C.I engine and suitable for any hydrocarbon fuel and their ... and biodiesel 5.4 Parametric study The results of combustion characteristics and performance parameters are presented with variable compression ratio started from 12 up to19 for both diesel and ... ‘Determination of performance and combustion characteristics of a dieselengine fueled with canola and waste palm oil methyl esters’, Int journal of Energy Conversion and Management, volume.52, 108-116,...
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Application and selection
Ngày tải lên :
01/11/2013, 09:20
... activities, such as hobbies, music, drama, and sport, indicate a willingness and ability to acquire intellectual and practical skills and to participate, characteristics useful in life in general ... orchestral, and military band, on trombone, fiddle, tin whistle, mandolin, and bodhran …” If Irish music be the food of medicine, play on But that was not all, for he continued: “I also enjoy boxing and ... medicine and then those subjects needed for university matriculation, usually English language and mathematics All attempts at examinations should be entered and clearly separated The date and number...
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Clutches and brakes design and selection P1
Ngày tải lên :
09/11/2013, 03:15
... processes through overhead cranes, hoists, and industrial brakes and clutches and in farm and garden tractors Some or all of the following materials, and others, that are now necessary to produce ... friction and wear of Polytetrafluoroethylene-based composites Wear 79: 221–234 Anderson, J C (1986) The wear and friction of commercial polymers and composites In: Friedrich, K., ed Friction and Wear ... manufacture of brake linings and clutch facings for both wet (oil bath) and dry clutch applications In dry brake and clutch applications, a flexible, nonwoven form can withstand dynamic pressure up...
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Tài liệu Clutches and brakes design and selection P2 doc
Ngày tải lên :
17/12/2013, 11:15
... pressure between the drum and the lining, and w represents the width of the band Upon simplifying equations (1-1) and (1-2) and remembering that as the element of band length approaches zero, ... flexible enough for use in a band brake and has the limiting temperature and pressure capability Thus, use A = 0.4 and equation (1-10) to find that at the maximum radius the band width should be given ... the radius r of the drum and the width w of the band This equation points out a disadvantage of a band brake: The lining wear is greater at the high-pressure end of the band Because of this the...
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Tài liệu Clutches and brakes design and selection P3 docx
Ngày tải lên :
17/12/2013, 11:15
... 2—r/R = 0.4; 3—r/R = 0.6; 4—r/R = 0.8 r/R ratios for the lower, internal brake, curves are: 5—r/R = 1.2; 6—r/R = 1.4; 7—r/R = 1.6; 8—r/R = 1.8 Copyright © 2004 Marcel Dekker, Inc Externally and ... external brake, curves are: 1—r/R = 0.2; 2—r/R = 0.4; 3—r/R = 0.6; 4—r/R = 0.8 r/R ratios for the lower, internal brake, curves are: 5—r/R = 1.2; 6—r/R = 1.4; 7—r/R = 1.6; 8—r/R = 1.8 plotted only ... criterion, which is that self-locking of both internal and external drum brakes may be avoided if Mf À1 V Vþ1 ð3-3Þ Mp Selection of shoe and drum angles and dimensions in accordance with this criterion...
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Tài liệu Clutches and brakes design and selection P4 pdf
Ngày tải lên :
17/12/2013, 11:15
... Upon substituting for u1 and u2 in equation (1-8) and recalling equations (1-6) and (1-7) we find that T 4A sinðf0 =2Þ R ¼ ¼A Fs r f0 þ sin f0 r ð1-11Þ where the right-hand side has already been ... symmetrically pivoted and if equation (1-7) holds, the applied torque is given by T ¼ ARFs ð1-12Þ II BRAKING TORQUE AND MOMENTS FOR SYMMETRICALLY SUPPORTED INTERNAL SHOES Pressure p and braking torque ... © 2004 Marcel Dekker, Inc ð2-12Þ Linearly Acting External and Internal Drum Brakes 77 Substitution for Mp and Mf from equations (2-7) and (2-11) into equation (2-12) yields h pmax r f0 Rrw ðf0...
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Tài liệu Clutches and brakes design and selection P5 docx
Ngày tải lên :
17/12/2013, 11:15
... Elimination of k and y from equations (1-1) and (1-2) yields p ¼ pmax rj r ð1-3Þ With the lining pressure known, we may now calculate the required axial force from Z F ¼ p da ð1-4Þ A and the resulting ... supported entirely by the piston face and are therefore cheaper to produce because no additional supporting Copyright © 2004 Marcel Dekker, Inc Dry and Wet Disk Brakes and Clutches 89 FIGURE Continued ... pad and caliper combination which provides the largest heat sink, shown in Figure and the shortest life for that with the smallest heat sink, shown in Figure 10 III ANNULAR CONTACT DISK BRAKES AND...
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Tài liệu Clutches and brakes design and selection P6 ppt
Ngày tải lên :
17/12/2013, 11:15
... designed and tested for a range of vehicle sizes, from tractors and trailers to subcompact automobiles [1] Both the large and small sizes used a folded cone design, as illustrated in Figures and 6, ... if possible The lining material characteristics are A = 0.35 and pmax = 220 psi Begin by turning to Figure and reading a at the intersection of the solid curve and grid line A = 0.34941 (error ... Figures and It is Figure that is directly useful in the design of cone brakes and clutches, because we find from equation (1-19) that the regions to the left of the solid curve (regions and 4)...
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Tài liệu Clutches and brakes design and selection P7 pdf
Ngày tải lên :
17/12/2013, 11:15
... configuration of the OM and the coil housing, as shown in Figures and Both the shear and tensile stresses in these links resist relative motion between the IM and the OM and so transmit torque ... vector P and magnetization vector M are defined by P ¼ D À eo E and B ¼ Ao ðH þ M þ Mo Þ ð1-4Þ because both P and M vanish in free space The last two of equations (1-2) are replaced by D ¼ eE and H¼ ... density (coulombs/meter3) and constants qo and Ao denote the electric and magnetic permeabilities of free space, respectively In the MKS system, the units of qo are farads/meter and the units of Ao...
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Tài liệu Clutches and brakes design and selection P8 ppt
Ngày tải lên :
17/12/2013, 11:15
... moment of inertia Ii, n weights Wi and their elevation changes, and including nonzero values of velocity vi, and angular rotation Ni III BRAKING AND CLUTCHING TIME AND TORQUE Work done by a brake ... clutch and brake selection when dynamic torque and brake heating curves are available Both clutch and brake analyses will display some of the calculation involved when the speeds of the input and ... coefficient of 0.3, and set the width for the band, the linearly acting drum brake, and the externally pivoted brake to cm Limit the maximum lining pressure for the band brake and for the externally...
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Tài liệu Clutches and brakes design and selection P9 ppt
Ngày tải lên :
17/12/2013, 11:15
... detents and 40j between detents and 130j between detents and The second instance occurs when balls and engage detents and 5, where ball centers and are separated by 75j and detent centers and are ... between detents and 30j 130j between detents and between detents and and that the angular separation between detent centers and is given by 25j between detents and 30j between detents and 35j between ... Centrifugal, One-Way, and Detent Clutches 223 separated by 35j and and are separated by 40j for a combined separation of 75j The third and last instance is when balls and engage detents and Placing ball-detent...
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Tài liệu Clutches and brakes design and selection P10 pdf
Ngày tải lên :
17/12/2013, 11:15
... the left- and right-hand cones rotate in the same direction If the right- and left-hand cones drive the rightand left-hand wheels of a lawnmower, the mower moves forward If the righthand cone ... Nd1 tan2 f rn1 ln1 and Nn2 ¼ Nd rd2 ld ¼ Nd tan2 f rn2 ln2 ð3-1Þ where rd1 and rnl are the radii of the driver and driven cones, respectively, at point 1, rd and rn2 are driver and driven radii ... rightangle drive, a clutch, and a reversing mechanism When the right-hand cone in Figure is moved downward to contact the upper half of the double cone and the left-band cone is moved upward to...
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