2 apos 7 engineering ceramics and refractory materials

... 10 0 .7 0.8 (1000) (1100) 990 800 1 8.5 4.0 84 28 0 – 1.0 (1400) 800 22 0 – 10 40 40 10 10 – 3–5 – 4– 12 – 23 23 (1 470 ) 3110 – 21 73 – 28 43 – – – 510 79 5 1 422 6 27 670 71 0 70 25 .6 84 17 1.5 20 25 40 ... (MPa) 74 65 1000 120 0 50 55 70 350 45 3. 52 3.9 3 .2 3 .2 5.6 3 .2 1050 380 410 310 20 0 300 5000 3000 20 00 120 0 20 00 20 00 – 300–400 20 0–500 300–850 20 0–500 500–830 10 10 – 10 21 15 52 (73 ) 26 (36) 2. 4 2. 5 ... 26 (36) 2. 4 2. 5 2. 4 20 –30 30–50 50 50 7 12 12 Cost of mining and transport 2. 7 2. 6 0. 92 20 23 1 .7 – – – 63 60–80 9.1 30–80 65–150 Weibull exponent m Assume 10 in design Ceramics and glasses 165...

Ngày tải lên: 11/08/2014, 02:22

... vtherm = b m  ∂T  v nk b2Tτ 13  3k T  Κ =  nk b  b τ = m 3  m  σ = Therefore : Luck: cvreal=cvclass/100; vreal2=vclass2*10 3 .22 5 ne 2 m Κ  kb  =   T σ 2 e  ~C! © E.A Fitzgerald-1999 ... ∂2E ∂t Wave Equation For typical wave: E = E0 e ik ⋅r −ωt k = µ 0ε 0ω k = 2 λ ; ω = 2 ν ⇒ ω k = νλ = (µ 0ε ) −1 Example: Violet light (ν = 7. 5 x 1014 Hz) λ = c/ν = 400 nm k =2 / λ = 1. 57 x 1 07 ... Equation ε (ω ) E (r ) c2 iσ ε (ω ) = + ε 0ω ∇ E (r ) = − E (r ) = E0 e ik •r 2 ε (ω ) c2 ω c v= = k ε (ω ) k2 = © E.A Fitzgerald-1999 Waves in Materials • Waves slow down in materials (depends on...

Ngày tải lên: 11/08/2014, 14:20

... E = µ 0ε 0ε r ) ∂2E εr ∂2E = ∂t c ∂t E = E0 ei ( k •r −ϖt ) = E0 eik •r e −iϖt = E (r )e − iϖt ∇ E (r ) = − ω 2 r E ( r ) c2 2 = c2 k εr ω= c c k optical → k   n εr 3 .22 5 So polarization ... refraction) and Electrical Measurements of ε Material Optical, n2 Electrical, ε diamond 5.66 5.68 Only electronic polarization NaCl 2. 25 5.9 Electronic and ionic polarisation H2O 1 .77 80.4 Electronic, ... Inversion/depletion/accumulation MOSFET © H.L Tuller, 20 01 The Capacitor - + + ++ + + I=0 always in capacitor d /2 d /2 +V ∇⋅E = E= t V= V 3 .22 5 −d ∫ −d −t ρ E ρ εo ρ ρt Q = dx = εo ε o Aε o d Qd...

Ngày tải lên: 11/08/2014, 14:20

... Logical Grouping Devices or Components that Operate at this Layer 2- 2 CCNA 1: Networking Basics v 3.0 - Lab 2. 3 .7 Copyright  20 03, Cisco Systems, Inc ... 2 List the seven layers of the OSI model and the encapsulation unit used to describe the data grouping at each layer...

Ngày tải lên: 21/12/2013, 19:15

... Logical Grouping Devices or Components that Operate at this Layer 2- 2 CCNA 1: Networking Basics v 3.0 - Lab 2. 3 .7 Copyright  20 03, Cisco Systems, Inc ... 2 List the seven layers of the OSI model and the encapsulation unit used to describe the data grouping at each layer...

Ngày tải lên: 21/12/2013, 19:15

... total of 65536 (21 6) values Standard named ISO/IEC 10646-1 It is essentially a 31-bit encoding, i.e., 23 1 = 21 474 83648 code positions Schemes ASCII and ISO 646 are examples of 7- bit encoding In ... set of 128 values ( 27 ) An encoding system that uses the eighth bit (parity bit) of the 7- bit encoding system to cover a larger number of characters It allows for the use of 25 6 values (28 ) An ... Standard Roman Character Set is in the same code point 20 5 as the equal sign = in Windows extended ASCII encoding 20 5 Formats for electronic documents and images - Character encoding: latin and...

Ngày tải lên: 24/03/2014, 03:20

... 0 , 27 0 ±0,046 1,0 ±0,0 82 27, 0 ± 0,094 0, 52 ± 0,1 07 GPa/1300ºC /2 0 ,25 0 ±0,013 0,83 ± 0, 020 20 ,7 ± 0, 020 0,41 ± 0, 020 GPa/1400ºC/1 0, 370 ±0,030 1,30 ± 0,080 48,1 ± 0,115 0 ,79 ± 0,156 GPa/1400ºC /2 ... distinction SD 350 0,9 sintered Intensity [a.u.] 0,8 0 ,7 0,6 0,5 0,4 0,3 0 ,2 0,1 100 148 1 97 24 5 29 3 341 390 438 486 534 5 82 631 679 72 7 77 5 823 8 72 920 968 Wavenumber [1/cm] Fig Infrared spectrum of ... 70 75 80 85 90 2 (degrees) Fig X-ray diffractogram for the HPHT sintered hardmetals WC 93,0% CO3W 7, 0% am7 X_Y 101 100 448559 20 1 400 60 3 02 311 1 12 211 20 2 300 55 0 02 301 21 0 20 1 02 35 102...

Ngày tải lên: 29/06/2014, 12:20

... Continuous Busy 480+ 620 0.5 0.5 Ring back, Normal 440+480 Ring back, PBX 440+488 Congestion (Local) 480+ 620 0.3 0 .2 Congestion (Toll) 480+ 620 0 .2 0.3 Howler (Receiver wrongly 1400 +20 60 +24 50 +26 00 0.1 off-hook) ... 2, "Standards." Table 1-1 Tones Used to Create DTMF Signals 120 9 Hz 1336 Hz 1 477 Hz 1633 Hz 6 97 Hz A 77 0 Hz B 8 52 Hz C 941 Hz * # D The fourth column (1633 Hz) has several special uses that are ... Priority, and Routine (with variations) instead of ABCD Telephone companies still use the extra keys on test handsets for specific testing purposes All modern telephone handsets support both DTMF and...

Ngày tải lên: 02/07/2014, 08:21

... 1 970 s and was well documented (Dunstan and Tenore, 19 72 ; Goldman and Ryther, 1 976 ; Goldman et al., 1 973 ; 1 974 a, 1 974 b; Ryther et al., 19 72 ; Tenore et al., 1 973 ), it apparently led to no commercial ... al., 1 977 ) (2) Purposeful Additions of Actual Sewage New Jersey tidal marsh (Whigham and Simpson, 1 976 ) Florida cypress dome (Odum et al., 1 977 a) Michigan peat wetland (Tilton and Kadlec, 1 979 ) ... 1 970 s (Adey, 1 973 , 1 978 ; Adey and Burke, 1 976 ; Connor and Adey, 1 977 ) Algae are the most important primary producers on coral reefs and they occupy many microhabitats (Figure 2. 25) The algal turf...

Ngày tải lên: 06/07/2014, 14:20

... al., 20 02; Clobert et al., 20 01; Gunn and Dennis, 1 976 ; Howe and Smallwood, 19 82; van der Pijl, 19 72 ; Wolfenbarger, 1 975 ) can be models for the syntheses, but Exotic Species and Their Control 24 7 ... articles of field and empirical studies (Chew, 1 974 ; Huntly, 1995; Kitchell et al., 1 979 ; Naiman, 1988; Owen and Wiegert, 1 976 ; Petrusewicz and Grodzinski, 1 975 ; Zlotin and Khodashova, 1980) and with ... attempts were made in the 1960s and 1 970 s (Lowes and Blackwell, 1 974 ; Mulholland and Sims, 1 976 ), but the applications did not lead to advancements in ecological understanding Clearly, ecological...

Ngày tải lên: 06/07/2014, 14:20

... 26 0 22 07 design storm 26 0 22 08 design flood 26 0 22 09 spate freshet deprecated catchment area sewage catchment 26 0 22 05 26 0 22 10 26 0 22 11 26 0 22 12 260 22 13 26 0 22 16 26 0 22 17 subcatchment area watershed ... tarn regional pond coastal lagoon 26 0 22 18 sea 26 0 22 19 swallow hole 26 0 22 20 hydrography 26 0 22 21 hydrology 26 0 22 22 260 22 23 hydrometry hydrograph 26 0 22 14 26 0 22 15 Discharge of surface water ... quoin 26 0 4 323 hybrid platform 26 0 76 11 hydraulic fender 26 0 6304 hydrograph 26 0 22 23 hydrograph, unit 26 0 22 24 hydrography 26 0 22 20 hydrology 26 0 22 21 hydrometry 26 0 22 22 hydroscopic water 26 0 23 14...

Ngày tải lên: 08/07/2014, 22:20

Ngày tải lên: 10/07/2014, 22:20

... F G H J K M 875 1. 625 1 .70 0 875 2. 625 7. 875 4. 125 1. 125 3. 625 5. 125 1.000 010 020 0 12 010 020 030 010 020 015 020 010 -.5146 15 67 4180 -1.0000 -.0540 43 72 1.0000 -.9956 - .75 30 -.4006 -1.0914 ... 815 1. 625 1 .70 0 875 2. 625 7. 875 4. 125 1. 125 3. 625 5. 125 1.000 Tolerance (in.) 010 020 0 12 010 020 030 010 020 015 020 010 Sensitivity -.5605 16 42 3846 -1.0000 -.05 52 4488 1.0000 -.9811 - .74 50 -.4094 ...      =  70 0 − 1. 125 (. 474 1 )  −  625 − − 875 + 625  (. 474 1 ) −1 125 (.8805 ) 8805        2. 625 −  625 − 1 .70 0 − 125 ( 474 1 ) − 875 + 1. 625  (.8805 ) + 125 ( 474 1 )    ...

Ngày tải lên: 21/07/2014, 15:20

... of length, equal to 5.5 yards, or 16.5 feet, or 5. 029 2 meters A unit of area, equal to 30 .25 square yards, or 27 2 .25 square feet, or 25 .29 28 526 4 square meters { pərch } percolation filtration ... Device to determine the American Society for Testing and Materials flash point of fuel oils and cutback asphalts and other viscous materials and suspensions of solids { penиske martиənz ¨ ¯ klosd ... to dry quarts, or 1/4 bushel, or 5 37. 605 cubic inches, or 0.00880 976 7541 72 cubic meter A unit of volume used in the United Kingdom for measurement of solid and liquid substances, although usually...

Ngày tải lên: 21/07/2014, 15:20

... to to to to to to to -59 -59 +93 + 371 27 7 760 316 871 27 7 126 0 538 538 to 14 82 871 to 170 5 Standard Special 2% ±0.8 °C ±3/4% 2. 2 °C ±3/4% ±1 .7 °C ±1 /2% 2. 2 °C ±3/4% ±1.4 °C ±1% ±1% ±0.4°C ... 0.1–0 .2 0.05 0.1 0. 02 0 .2 0.5 0.1–0 .2 0. 02 0.05 0 .2 0.1 0. 02 0 .2 0.5 0.5 0 .2 0 .2 0.5–1.0 1 2 0 .2 1.0 0.5–1.0 0.5 0.5 0 .2 0 .2 Thermometers for Low Temperatures -35 to 32 -35 to 32 or 0.5 0 .2 0.5 ... 0.6 028 0.61 42 0.6351 0.59 97 0.6084 0.6153 Taps at D and 1 /2 D 0 .25 0 0.500 0 .75 0 0.6036 0.6150 0.60 12 0.61 12 0.63 37 0.5990 0.6 079 0. 625 4 0.5 975 0.6055 0.6196 Vena Contracta Taps 0 .25 0 0.500 0 .75 0...

Ngày tải lên: 21/07/2014, 16:22

... Res 23 , 123 –140 Kline, W A., DeVor, R E and Lindberg, J R (19 82) The prediction of cutting forces in end milling with application to cornering cuts Int J Mach Tool Des Res 22 , 7 22 Ko, T J and ... in terms of the principal stresses: – s2 = — [ (s1 – s2 )2 + (s2 – s3 )2 + (s3 – s1 )2 ] = Y or 3k2 (A1 .7) Childs Part 31:3 :20 00 10:41 am Page 331 Yielding and flow under triaxial stresses 331 The ... the CIRP 37 (2) , 611– 622 Trigger, K J and Chao, B T (1956) The mechanism of crater wear of cemented carbide tools Trans ASME 78 , 1119–1 126 Usui, E., Shirakashi, T and Kitagawa, T (1 978 ) Analytical...

Ngày tải lên: 21/07/2014, 17:20

Ngày tải lên: 21/07/2014, 17:20

... x) M2 = 150 lb⋅ ft M1 − M2 + w Ay = ⎛ L2 ⎞ ⎜ ⎟ 2 L Ay = 25 00 lb ⎡ ⎛ 2 ⎤ ⎢Ay x − w⎜ x ⎟ − M1⎥ M ( x) = ⎣ 2 ⎦ lb⋅ ft lb Force in lb 20 00 V( x ) 20 00 10 15 20 x ft Distance in ft 677 © 20 07 R ... ⎠ 2 ⎡ ⎢Ay x − w ( x − a) ⎥ M2 ( x) = ⎣ ⎦ kN⋅ m kN Force (kN) V1( x1) V2( x2) 0.5 1.5 2. 5 2. 5 3.5 x1 , x2 Distance (m) Moment (kN-m) M1( x1) M2( x2) 0.5 1.5 3.5 x1 , x2 Distance (m) 676 © 20 07 ... publisher Engineering Mechanics - Statics Chapter Force in kN 20 0 V1( x1) V2( x2) 20 0 10 x1 , x2 Distance in m Moment (kN-m) 400 M1( x1) 20 0 M2( x2) 20 0 400 10 x1 , x2 Distance (m) Problem 7- 53 Draw...

Ngày tải lên: 21/07/2014, 17:20

... sand drying bed See “sludge drying bed.” sand filter See “granular media filtration.” Sandfloat Combination dissolved air floatation and sand filter treatment system by Krofta Engineering Corp SandPIPER® ... Resolv-R2® Solvent recovery and waste disposal system by PBR Industries Resource Conservation and Recovery Act (RCRA) A 1 976 U.S law, amended in 1984, to regulate management and disposal of solid and ... Plan (SIP), and which may include withholding of highway funds and a ban on construction of new sources of potential pollution sand Any rock fragment between 1/16 mm and mm in diameter Sand Dollar...

Ngày tải lên: 24/07/2014, 08:20

... control another pest © 20 01 by CRC Press LLC benthal oxygen demand The oxygen demand exerted by microbes and other organisms living on, or in close association with, the organic mud and sludge deposits ... scale of wind force where a Beaufort force wind is calm and a force 12 wind indicates hurricane force with winds in excess of 120 km/hr (75 mph) bed depth The depth of filter media or ion exchange ... (BDOC).” © 20 01 by CRC Press LLC BDT Best demonstrated technology beachwell A shallow intake well making use of beach sand and structure as a filter medium Bead Mover™ Ion exchange resin and filter...

Ngày tải lên: 24/07/2014, 08:20