dr jekyll and mr hyde summary chapter 6
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
... 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 ... 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 ... motion. The bearings C are supported by the frame as is the driving shaft D. Sclater Chapter 3 5/3/01 10:20 AM Page 66 85 Sclater Chapter 3 5/3/01 10:22 AM Page 85 AUTOMATIC SAFETY MECHANISMS FOR...
Ngày tải lên: 22/10/2012, 14:26
Mechanisms and Mechanical Devices Sourcebook - Chapter 4
... approximates part of the path of a roller. Fig. 6 An intermittent drive with a cylindrical lock. Shortly before and after the engagement of two teeth with driving pin d at the end of the dwell period, ... is behind the driver. AT the end of the dwell period, pin c contacts the mutilated tooth and turns the driven gear one circular pitch. Then, the full-width tooth engages the cutout d, and the driven ... 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
... choice. It is the most ver- satile and practical configuration for meet- ing double-crank motion requirements. 166 Sclater Chapter 5 5/3/01 11:47 AM Page 166 A virtually unexplored area of mecha- nism ... 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. ... turns. Dynamic and static balancing is simplified when an expanding wheel is attached to a nonexpanding main wheel. As a pulley, an expanding wheel can have a steel band fastened to only one section and...
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 ... balanced pressure. The screw in (B) retains and drives a dowel pin for locking purposes. A right- and left-handed shaft (C) actuates a press. Sclater Chapter 6 5/3/01 12:25 PM Page 192 Do you need ... and other types of screws can provide slow and fast feeds, minute adjustments, and strong clamping action. Rapid and slow feed. With left- and right-hand threads, slide motion with the nut locked...
Ngày tải lên: 22/10/2012, 14:26
Mechanisms and Mechanical Devices Sourcebook - Chapter 7
... 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, lathe turning, and template filing. First, ... Belt drives, on the other hand, have little slippage or frictional losses, and chain has none—it maintains a fixed phase relationship between the input and output shafts. Belt Drives Belt drives ... chain drive and then is fed into the cutter with the proper motion. During the dwells of the rocker, for example, a dwell is cut into the cam. Sclater Chapter 7 5/3/01 12:33 PM Page 2 06 CHAPTER...
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 274 287 RATCHET-TOOTH SPEED-CHANGE DRIVE An in-line shaft drive, with reduction ratios of 1:1 and 1: 16 or 1:28, ... line. Sclater Chapter 8 5/3/01 12:44 PM Page 277 257 Fig. 5 This drive is a drum and roller. A change of speed is performed by skewing the roller relative to the drum. Fig. 6 This drive consists ... 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 2 56 VARIABLE-SPEED FRICTION DRIVES Fig. 2...
Ngày tải lên: 22/10/2012, 14:26
Mechanisms and Mechanical Devices Sourcebook - Chapter 9
... constant angle. Sclater Chapter 9 5/3/01 12:57 PM Page 317 3 36 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 ... Variable-torque drag brake . . . Fig. 2 . . . holds tension constant on tape Fig. 3 Constant-torque screwdriver Sclater Chapter 9 5/3/01 12: 56 PM Page 3 06 307 SPRING BANDS GRIP TIGHTLY TO DRIVE OVERRUNNING ... requirements of MIL-E-5400, class 3 and MILK-39 26 specifications. Applications were seen in counter and reset switches and controls for machines and machine tools, radar systems, and precision potentiometers. Eight-Joint...
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 3 56 CHAPTER 10 TORQUE-LIMITING, TENSIONING, AND GOVERNING DEVICES Sclater Chapter ... Chapter 10 5/3/01 1:07 PM Page 351 360 Limit Switches in Machinery (continued ) Sclater Chapter 10 5/3/01 1:08 PM Page 360 352 DRIVES FOR CONTROLLING TENSION Mechanical, electrical, and hydraulic ... 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...
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 of the Hele- Shaw-Beachum ... 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 PM Page 380 ... An instrument coupling. Fig. 5 A crankcase oil drain plug. Fig. 6 A non-rattling door latch. Fig. 2 Tension devices. Sclater Chapter 11 5/3/01 1: 16 PM Page 387 Fig. 4 This cut-off machine has...
Ngày tải lên: 22/10/2012, 14:26
Mechanisms and Mechanical Devices Sourcebook - Chapter 13
... λ opt = 2 .61 00. This gives a ′ = 1.5382, b ′ = 0.4 067 4, c ′ = 1. 061 6, and d ′ = 1.0218. For a 4 in. crank, k = 4/0.4 067 4 = 9.8343 and a = 15.127 in., b = 4 in., c = 10.440 in., and d = 10.049 ... ψ 13 and ψ 12 . This 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 ... points C and P. 2. Draw a line through points C and O 1 . 3. Draw a perpendicular to CP at P. This locates point A. 4. Draw line AO 2 , to locate C 0 , the center of curvature. 1. Draw extensions...
Ngày tải lên: 22/10/2012, 14:26
Mechanisms and Mechanical Devices Sourcebook - Chapter 14
... can 466 Sclater Chapter 14 5/3/01 1:44 PM Page 466 464 SOFTWARE IMPROVEMENTS EXPAND CAD CAPABILITIES Computer Aided Design (CAD) is a computer-based technology that allows a designer to draw and ... can also generate bills of materials. 2D drawing and detailing software packages are based on ANSI, ISO, DIN, and JIS drafting standards. In a 2D CAD drawing, an object must be described by multi- ple ... system, builds parts up to 10 in 3 ( 164 cm 3 ) while the FDM3000, a floor- standing system, builds parts up to 10 ì 10 ì 16 in. ( 26 ì 26 ì 41 cm). Two other floor-standing systems are the FDM 8000,...
Ngày tải lên: 22/10/2012, 14:26
Mechanisms and Mechanical Devices Sourcebook - Chapter 15
... prior written permission of the publisher. 1234 567 890 KGP/KGP 0 765 4321 ISBN 0-07-1 361 69-3 The sponsoring editor for this book was Larry S. Hager and the production supervisor was Pamela A. Pelton. ... Sclater. 2nd ed. 19 96. ISBN 0-07-1 361 69-3 1. Mechanical movements. I. Chironis, Nicholas P. II. Mechanisms & mechanical devices sourcebook. III. Title. TJ181.S28 2001 62 1.8—dc21 2001030297 Copyright ... 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...
Ngày tải lên: 22/10/2012, 14:26
Mechanisms and Mechanical Devices Sourcebook - Chapter 12
... is pushed upward an additional 15º, locking the handle cam and the slide. In step 6, the handle is rotated an additional 30º, forcing the box and the mating spring-loaded electrical con- nectors ... left-handed threads, ã An eye on a shank with external right- handed threads, and ã A flanged collar with left-handed external threads to mate with the shank of the first- mentioned eye, and right-handed ... self-centering and stronger. Non-sliding gears can be pinned to the shaft if it is provided with a hub. Sclater Chapter 12 5/3/01 1:25 PM Page 420 CHAPTER 12 FASTENING, LATCHING, CLAMPING, AND CHUCKING...
Ngày tải lên: 22/10/2012, 14:26
Mechanisms and Mechanical Devices Sourcebook - Chapter 16
... sliding 163 sphere groove 166 grooved helix 166 plane 166 slotted cylinder 166 slotted helix 166 torus 166 torus, helix 166 True-speed 301 universal 183 169 294 301 constant-speed ... 97 4 36 Governors auxiliary piston 362 centrifugal 363 364 constant-volume 363 differential, varying 363 electrical 365 force-compensated 362 hit -and- miss 362 hydraulic 365 pneumatic ... solid 466 hybrid surface and solid 467 solid 466 wireframe and surface 465 preparation for rapid prototyping 468 software improvements 464 Computer-aided engineering (CAE) 465 Computer-aided...
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 19 96, 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