dr jekyll and mr hyde sparknotes chapter 4
Báo cáo khoa học: "Recently published papers: the Jekyll and Hyde of oxygen, neuromuscular blockade and good vibrations" doc
Ngày tải lên: 13/08/2014, 03:20
Mechanisms and Mechanical Devices Sourcebook - Chapter 3
... photoemitter and photoreceiver. Sclater Chapter 3 5/3/01 10:23 AM Page 90 64 Sclater Chapter 3 5/3/01 10:20 AM Page 64 81 Fig. 19 A paste belt applicator passes around the pulley in a pastepot and slides ... lever, and is removed from the chute by a vibrat- ing table. Sclater Chapter 3 5/3/01 10:19 AM Page 60 84 Automatic Stopping Mechanisms (continued) Sclater Chapter 3 5/3/01 10:22 AM Page 84 57 The ... machine-driving shaft. Sclater Chapter 3 5/3/01 10:22 AM Page 87 66 Fig. 3 In another type of action, the forward and return strokes are accomplished by a suitable mechanism, while the raising and...
Ngày tải lên: 22/10/2012, 14:26
Mechanisms and Mechanical Devices Sourcebook - Chapter 4
... four-bar linkages, 00 1 PQ. Sclater Chapter 4 5/3/01 10 :44 AM Page 102 CHAPTER 4 RECIPROCATING AND GENERAL-PURPOSE MECHANISMS Sclater Chapter 4 5/3/01 10 :44 AM Page 93 Fast Cam-Follower Motion Fast ... every lobe on gear 4, and T 3 /T 4 = L 3 /L 4 = 2/3, where T 3 and T 4 are the numbers of teeth on gears 3 and 4. T 1 and T 2 will denote the numbers of teeth on gears 1 and 2. Next, select ... number of lobes L 3 and L 4 on the gears 3 and 4. In the drawings, L 3 = 2 and L 4 = 3. Any two lobes on the two gears (i.e., any two lobes of which one is on one gear and the other on the...
Ngày tải lên: 22/10/2012, 14:26
Mechanisms and Mechanical Devices Sourcebook - Chapter 5
... 11 :45 AM Page 138 1 34 TWELVE EXPANDING AND CONTRACTING DEVICES Parallel bars, telescoping slides, and other devices that can spark answers to many design problems. Fig. 1 Figs. 1 and 2 Expanding ... lever and cam drive for a tire gage. Fig. 3 A lever and sector gear in a differential pressure gage. Fig. 4 A sector gear drive for an aircraft air- speed indicator. Fig. 5 A lever, cam, and cord ... slides, friction drives, and gears. Fig. 1 An axial screw with a rack-actuated gear (A) and an articulated driving rod (B) are both irreversible movements, i.e., the driver must always drive. Fig....
Ngày tải lên: 22/10/2012, 14:26
Mechanisms and Mechanical Devices Sourcebook - Chapter 6
... their seats. Sclater Chapter 6 5/3/01 12:25 PM Page 191 CHAPTER 6 SPRING, BELLOW, FLEXURE, SCREW, AND BALL DEVICES Sclater Chapter 6 5/3/01 12: 24 PM Page 173 installed and integrated into a ... about 0 .4 A linear spring rate and high load resistance with small deflections. For height to spring ratios between 0.8 and 1.0—An almost linear spring rate for fasteners and bearing and in stacks. For ... member (knob, wheel, handle), threaded device (screw-nut set), and sliding device (plunger-guide set). Sclater Chapter 6 5/3/01 12:25 PM Page 1 94 FLAT SPRINGS IN MECHANISMS 1 74 Constant force is...
Ngày tải lên: 22/10/2012, 14:26
Mechanisms and Mechanical Devices Sourcebook - Chapter 7
... radii r 1 , r 3 , and r 4 . One such piece is shown in Fig. 7. The templates have hubs that fit into the drilled holes at 0 1 , 0 3 , and 0 4 . Next the arcs 7-1, 3 -4, and 5-6 are filed with ... r 4 for facilitating hand filing. Sclater Chapter 7 5/3/01 12:33 PM Page 2 04 220 Fig. 4( A) Pressures and temperature indica- tors. A pressure change causes the diaphragm and sheave to move vertically and the ... 3- 4 with center at 0 3 , arc 4- 5 with center at 0 1 , arc 5-6 with center at 0 4 , arc 7-1 with center at 0 1 , and the straight lines 2-3 and 6-7. The method calls for a combination of drilling,...
Ngày tải lên: 22/10/2012, 14:26
Mechanisms and Mechanical Devices Sourcebook - Chapter 8
... PLANETARY DRIVES PLANOCENTRIC DRIVE WOBBLE-GEAR DRIVE Sclater Chapter 8 5/3/01 12 :44 PM Page 2 74 287 RATCHET-TOOTH SPEED-CHANGE DRIVE An in-line shaft drive, with reduction ratios of 1:1 and 1:16 ... causes one complete nutation of the Sclater Chapter 8 5/3/01 12 :42 PM Page 244 249 Sphere -and- disk drives (Figs. 12 and 13). The speed variations in the drive shown in Fig. 12 are obtained by chang- ing ... retainer. Sclater Chapter 8 5/3/01 12 :43 PM Page 260 CHAPTER 8 GEARED SYSTEMS AND VARIABLE-SPEED MECHANISMS Sclater Chapter 8 5/3/01 12 :42 PM Page 241 256 VARIABLE-SPEED FRICTION DRIVES Fig. 2...
Ngày tải lên: 22/10/2012, 14:26
Mechanisms and Mechanical Devices Sourcebook - Chapter 9
... feeding tasks and counting. 3 14 Fig. 1 A double-spring clutch drive. Fig. 2 A basic spring clutch. Fig. 3 A full-wave rectification drive. Fig. 4 A shuttle-pinion drive. Sclater Chapter 9 5/3/01 ... positive clockwise drive to the driven planet carrier is established. Fig. 4 Pawl and Ratchet Clutch: (External Control) The driving ratchet of this clutch is keyed to the driving shaft, and the pawl ... constant angle. Sclater Chapter 9 5/3/01 12:57 PM Page 317 336 LINKAGES FOR BAND CLUTCHES AND BRAKES Fig. 1 An outside band clutch operated by a roller and cone. Fig. 2 An outside band clutch made...
Ngày tải lên: 22/10/2012, 14:26
Mechanisms and Mechanical Devices Sourcebook - Chapter 10
... machinery and protect it and its operator. Actuators Linear mechanical switches Sclater Chapter 10 5/3/01 1:08 PM Page 356 CHAPTER 10 TORQUE-LIMITING, TENSIONING, AND GOVERNING DEVICES Sclater Chapter ... devices. The hydraulic operation is exactly the same as that described for the hydraulic drives. Sclater Chapter 10 5/3/01 1:08 PM Page 353 A band brake intended to obtain a friction drag will give ... rollers, push-rods, and traveling nuts, are described and illustrated. 358 Sclater Chapter 10 5/3/01 1:08 PM Page 358 342 TORQUE-LIMITERS PROTECT LIGHT-DUTY DRIVES Light-duty drives break down...
Ngày tải lên: 22/10/2012, 14:26
Mechanisms and Mechanical Devices Sourcebook - Chapter 11
... CHAPTER 11 PNEUMATIC AND HYDRAULIC MACHINE AND MECHANISM CONTROL Sclater Chapter 11 5/3/01 1:15 PM Page 369 375 Fig. 8 The housing ... the related components and linkages. The nested capsule (Fig. 4) requires less space and can be designed to withstand large external overpressures without damage. Sclater Chapter 11 5/3/01 1:16 ... motor. Sclater Chapter 11 5/3/01 1:16 PM Page 392 40 2 INSTANT MUSCLE WITH PYROTECHNIC POWER Cartridge-actuated devices generate a punch that cuts cable and pipe, shears bolts for fast release, and provides...
Ngày tải lên: 22/10/2012, 14:26
Mechanisms and Mechanical Devices Sourcebook - Chapter 13
... establishes points A′ 2 , A′ 3 and A′ 4 , but here A′ 3 and A′ 4 coincide because of symmetry of A 3 and A 4 about A 0 B 0 . 4. Draw lines A 1 A′ 2 and A 1 A′ 4 , and the perpendicular bisectors of ... 4/ 0 .40 6 74 = 9.8 343 and a = 15.127 in., b = 4 in., c = 10 .44 0 in., and d = 10. 049 in., which is very close to the proportions used. The maximum deviation of the transmission angle from 90º is 47 .98º. This ... (A). Fig. 4 Designing a toggle to lie within space boundaries W and X. It can be shown that for maximum snap-action, sin θ = X/W. Sclater Chapter 13 5/3/01 1:33 PM Page 45 4 44 5 DESIGNING CRANK -AND- ROCKER...
Ngày tải lên: 22/10/2012, 14:26
Mechanisms and Mechanical Devices Sourcebook - Chapter 14
... can 46 6 Sclater Chapter 14 5/3/01 1 :44 PM Page 46 6 46 4 SOFTWARE IMPROVEMENTS EXPAND CAD CAPABILITIES Computer Aided Design (CAD) is a computer-based technology that allows a designer to draw and ... thicker, and more durable components with greater height-to-width ratios. They can withstand high pressure and temperature excur- Sclater Chapter 14 5/3/01 1 :44 PM Page 48 4 CHAPTER 14 NEW DIRECTIONS ... circle that is at right angles to a line drawn between the contact point and the center of the circle. 46 7 Sclater Chapter 14 5/3/01 1 :44 PM Page 46 7 47 9 Fig. 2 Wedge Stepping Motor: A close-up...
Ngày tải lên: 22/10/2012, 14:26
Mechanisms and Mechanical Devices Sourcebook - Chapter 15
... Technologies Group, Radford, VA ã Ledex Actuation Products, TRW Control Systems, Vandalia OH ã Sandia National Laboratories, Sandia Corporation, Albuquerque, NM ã SolidWorks Corporation, Concord, MA ã ... prior written permission of the publisher. 12 345 67890 KGP/KGP 076 543 21 ISBN 0-07-136169-3 The sponsoring editor for this book was Larry S. Hager and the production supervisor was Pamela A. Pelton. ... applications beyond NASA’s immediate objectives in space science and requirements for specialized equip- ment. The names of the scientist/inventors and the NASA facilities where the work was performed have...
Ngày tải lên: 22/10/2012, 14:26
Mechanisms and Mechanical Devices Sourcebook - Chapter 12
... dimen- sioned hubs and clamps so that they can be efficiently fastened to a precision-ground shaft. Sclater Chapter 12 5/3/01 1:25 PM Page 42 1 41 5 Sclater Chapter 12 5/3/01 1:25 PM Page 41 5 dle has ... release collar is a key feature of this automatic grapple. Sclater Chapter 12 5/3/01 1: 24 PM Page 40 7 41 3 From Handbook of Fastening and Joining of Metal Parts, McGraw-Hill, Inc. (A) A method for ... powered systems. Sclater Chapter 12 5/3/01 1: 24 PM Page 40 8 40 6 REMOTELY CONTROLLED LATCH This simple mechanism engages and disengages parallel plates carrying couplings and connectors. A new...
Ngày tải lên: 22/10/2012, 14:26
Mechanisms and Mechanical Devices Sourcebook - Chapter 16
... 3 14 spring, double 3 14 comb,electrostatic 47 6 48 4 cone adjustable 245 ball, and 250 belt 245 general 244 2 54 257 Graham 246 electrically-coupled 245 planetary 246 ring, and ... 43 2 rack -and- pinion 143 ratio 347 ring 94 99 112 263 267 289 ring, cont. 352 43 2 44 3 rolling 44 3 44 4 sheet-metal 2 79 shift arrangements 282 shifting, (gears and clutched) 2 84 ... angular acceleration 43 8 displacement 44 0 velocity 44 1 eight-slot 43 7 formulas for 43 9 four-slot 1 04 409 43 9 kinematics data for 43 9 six-slot 44 0 slot-crank motion 43 9 locking-arm...
Ngày tải lên: 22/10/2012, 14:27
Mechanisms and Mechanical Devices Sourcebook - Chapter 17
... both classical and mod- ern mechanisms and mechanical devices. This edition retains a large core of the con- tents from both the first and second editions, (published in 1991 and 1996, respectively), ... has been supplemented by new and revised articles reflecting present and future trends in mechanical engineering and machine design. The new articles in this edition address topics that are covered ... programmable computer and digi- tal technology on those systems. Other articles discuss servomotors, actuators, sole- noids, and feedback sensors—important electromechanical, and electronic components used...
Ngày tải lên: 22/10/2012, 14:27