... uses formed nylon wipers. The FineLine metric series and precision plus metric series use formed Delrin wipers. The NEFF metric series uses formed rubber wipers. A brush style wiper is good for ... 3000 for inch series ball nuts and dN = 140,000 for metric series ball nuts. (d = nominal diameter of the screw and N = rpm). Contact Thomson if your application exceeds this rule of thumb or for ... standard or optional on most ball nuts. Q&A Session for Advanced Ball Screws 201: Troubleshooting for Design Engineers Topic: Noise Q: Is there a way to predict/calculate...
Ngày tải lên: 13/12/2013, 01:16
iec 60255-24 electrical relays - common format for transient data exchange (comtrade) for power s
Ngày tải lên: 25/12/2013, 10:51
Tài liệu Statistics for Environmental Engineers P2 doc
... capable of extracting useful information from tabulated figures. Putting these same numbers in appropriate graphical form completely changes the situation. The informed human mind can then operate ... appropriate action to improve performance. The second purpose is to have an accurate record of what has happened in the past, especially if the salient information is in such a form that it is easily communicated ... could be a less informative statistic about the threat to fish than a short-term average, but it may be needed to assess the long-term trend in treatment plant performance. For suspended solids...
Ngày tải lên: 20/01/2014, 01:20
Tài liệu Statistics for Environmental Engineers P1 ppt
... They can be estimated by the sample variance: where n is the size of the sample and is the sample average. The sample standard deviation is the square root of the sample variance: Here the denominator ... LLC © 2002 By CRC Press LLC serves for negative as well as positive values. For ν = 26, the tail areas are 0.05 for t = –1.706, 0.025 for t = –2.056, and 0.01 for t = –2.479. Plotting these and ... sum of squares and sample variance, are said therefore to have n − 1 degrees of freedom. Degrees of freedom will be denoted by the Greek letter ν . For the sample variance and sample standard deviation,...
Ngày tải lên: 20/01/2014, 01:20
Tài liệu SAMPLE TEST QUESTION FOR CSET: Vietnamese subtest II docx
... Vietnam. Vietnamese Subtest II California Subject Examinations for Teachers Test Guide 9 California Subject Examinations for Teachers Test Guide 1 Sample Test Questions for CSET: Vietnamese Subtest ... nostalgia. C. confrontation. D. fear. California Subject Examinations for Teachers Test Guide 7 Sample Written Response Sheets for CSET: Vietnamese Subtest II For questions 6, 7, and 9, examinees ... Systems, Inc.™ VIETNAMESE SUBTEST II Sample Questions and Responses and Scoring Information CS-TG-QR170X-01 Vietnamese Subtest II California Subject Examinations for Teachers Test Guide 17 Relevant...
Ngày tải lên: 24/01/2014, 03:20
Tài liệu Subtitle Specification (XML File Format) for DLP CinemaTM Projection Technology ( Version 1.1 ) docx
... notice, and advise customers to obtain the latest version of relevant information to verify, before placing orders, that information being relied on is current and complete. All products are sold ... attribute. FadeUpTime is in the format TTT, where TTT = ticks. A “tick” is defined as 4 msec and has a range of 0 to 249. For fade times greater than one second, the full time format of HH:MM:SS:TTT ... FadeDownTime is in the format TTT, where TTT = ticks. A “tick” is defined as 4 msec and has a range of 0 to 249. For fade times greater than one second, the full time format of HH:MM:SS:TTT...
Ngày tải lên: 19/02/2014, 14:20
Tài liệu finite element methods for structural engineers ppt
Ngày tải lên: 23/02/2014, 21:20
rules of thumb for mechanical engineers pot
... the above form is convenient for liquid problems, the following form is more convenient for gas flow problems: p + $ + p = constant (9) Energy Equation The energy equation for steady ... flow velocity. 1 2 8 Rules of Thumb for Mechanical Engineers Weber Number Weber number is the ratio of inertial forces to surface ten- sion forces. v21p W=- 0 This parameter is ... and is used for U-tube and re- 24 Rules of Thumb for Mechanical Engineers Correlations Heat transfer correlations are empirical relationships. They are available for a wide range...
Ngày tải lên: 05/03/2014, 17:20
Electromagnetism for Electronic Engineers – Examples doc
... Executive Education For more information, visit www.msm.nl or contact us at +31 43 38 70 808 or via admissions@msm.nl the globally networked management school For more information, visit www.msm.nl ... future. Every single day. For more information go to: www.eon-career.com Your energy shapes the future. Download free ebooks at bookboon.com Electromagnetism for Electronic Engineers – Examples ... the methods available Note: This information is provided here for convenience. The equation numbers in the companion volume Electromagnetism for Electronic Engineers are indicated by square brackets....
Ngày tải lên: 07/03/2014, 21:20
Standard Handbook for Mechanical Engineers doc
... completeness of any information published herein, and neither McGraw- Hill nor its authors shall be responsible for any errors, omissions, or damages arising out of use of this information. This work ... candela/metre 2 (cd/m 2 ) 3.426 259 Eϩ00 foot-pound-force joule (J) 1.355 818 Eϩ00 foot-pound-force/hour watt (W) 3.766 161 EϪ04 foot-pound-force/minute watt (W) 2.259 697 EϪ02 foot-pound-force/second watt (W) 1.355 ... will accelerate at 1 ft/s 2 when acted upon by a one pound force. It is therefore equal to 32.1740 pound-mass. The kilogram force is the force required to support the standard kilo- gram against...
Ngày tải lên: 09/03/2014, 00:20
rules of thumb for mechanical engineers pptx
... the above form is convenient for liquid problems, the following form is more convenient for gas flow problems: p + $ + p = constant (9) Energy Equation The energy equation for steady ... 6 Rules of Thumb for Mechanlcal Engineers ~~ Bernoulli’s Equation Bernoulli’s equation can be thought of as a special form of energy balance equation, and it is ... Boelter, L. M. K., University of Cali- fornia Publications on Engineering, Vol. 2, Berkeley. 1930, p. 443. RULES OF THUMB FOR MECHANICAL ENGINEERS Copyright 8 1997 by Gulf Publishing...
Ngày tải lên: 14/03/2014, 18:20
Báo cáo khoa học: "Subcat-LMF: Fleshing out a standardized format for subcategorization frame interoperability" potx
... paper is to address these gaps for the two languages English and German by pre- senting a uniform LMF representation of SCFs for English and German which is utilized for the standardization of large-scale ... LMF model Subcat-LMF, an LMF-compliant lexicon representation format featuring a uniform and very fine-grained representation of SCFs for En- glish and German. Subcat-LMF is a subset of Uby-LMF ... Gurevych, Silvana Hart- mann, Michael Matuschek, and Christian M. Meyer. 2012. UBY-LMF – A Uniform Format for Standardizing Heterogeneous Lexical-Semantic Resources in ISO-LMF. In Proceedings of the...
Ngày tải lên: 17/03/2014, 22:20
Introduction to c++ for financial engineers an object oriented approach
... interfaces, for example r Recoverability: this refers to the capability to re-establish previous levels of performance. For example, we could consider the time and effort it takes to recover information ... electronic formats. Some content that appears in print may not be available in electronic books. Library of Congress Cataloging-in-Publication Data Duffy, Daniel J. Introduction to C++ for financial engineers ... Finance applications r Creating real applications for derivative pricing r Working source code for all chapters and applications r Exercises for every chapter After having read this book, studied...
Ngày tải lên: 19/03/2014, 14:09
handbook for electrical engineers hu (2)
... case. 3.1.8 Instrument Transformers The material that follows is a brief summary of information on instrument transformers as measure- ment elements. For more extensive information, consult American ... ampere-turn level. Both excitation and test windings on the sample should be uniformly distributed. Permeameters are used for small samples and for “hard” magnetic materials which cannot be dri- ven ... Code for Electricity Metering, American National Standards Institute. It covers defi- nitions, circuit theory, performance standards for new meters, test methods, and installation stan- dards for...
Ngày tải lên: 21/03/2014, 12:12
handbook for electrical engineers hu (3)
... mechanical deformation of the alloy takes place at a temperature of about 720°C. Mechanical deformation may be performed by warm extrusion. Magnet size is limited by the amount of deformation needed ... unity for vacuum to slightly greater than unity for gases at atmospheric pressure, 2 to 8 for common insulating solids and liquids, 35 for ethyl alcohol and 91 for pure water, and 1000 to 10,000 for ... Designation. America uses, for sizes up to 4/0, mil, decimals of an inch, or AWG numbers for solid conductors and AWG numbers or circular mils for stranded conductors; for sizes larger than 4/0,...
Ngày tải lên: 21/03/2014, 12:12
handbook for electrical engineers hu (4)
... removal of modules, and calibration. Information Readout. The system readouts are to be designed to provide operators with accu- rate, complete, and timely information. Consideration must be given ... The uranium would be cleaned up in preparation for reuse. For each 1200-lb assembly, there would be only around 35 lb of fission product waste. For 60 assemblies discharged per reactor per year, ... the average lifetime of the neutrons. Substituting for k inf and D gives Substituting 1/ for Σ ␣ (1 ϩ L 2 B 2 ) gives The balance equation for the delayed group is (5-14) Substituting gives and...
Ngày tải lên: 21/03/2014, 12:12