Concrete industrial ground floors - aspects of crack control

Concrete;  September 1, 2003 ;   Beckett, Derrick;   787 words ......shrinkage is: N^sub sh^ = A^sub c^ x E^sub cm^ x e^sub sh^ equation (ii) Assuming a value of the modulus of elasticity of concrete E^sub cm^ = 33kN/mm^sup 2^(1), then the tensile...expressed as: f^sub (cr + sh)^ = [psi] x E^sub cm^ x e^sub sh x^ (1 - e^sup -[straight phi...

M-channel gating and simulation

Biophysical Journal;  August 1, 1999 ;   Selyanko, A A; Brown, D A;   787 words ......activity: short, medium, and long closed times (tau^sub CS^, tau^sub CM^ , and tau^sub CL^) and short and long open times (tau^sub OS...cell-attached patches, but only four of them (tau^sub CS^, tau^sub CM^, tau^sub OS^ and tau^sub OL^) in excised patches (Selyanko...

Posters from Session I

Journal of Electrocardiology;  January 1, 1998 ;   Anonymous;   787 words ......SM. TOT^sub TWA^(product of A^sub TWA^ and N^sub TWA^) values express overall magnltude of simulated TWA and TOT^sub CM^ and TOT^sub CM^ and TOT^sub SM^ represent level of TWA detected by CM and SM respectively: Both methods do not provide exact measuremcnt...

Getting the most out of your instrumentation amplifier design.

EDN Asia;  March 1, 2006 ;   Kugelstadt, Thomas;   787 words ......subdivided into a common-mode voltage, [V.sub.CM], and a differential voltage, [V.sub.D]. While [V.sub.CM], the voltage common to both inputs, is defined...the net difference between the two. (1) [V.sub.CM] = [V.sub.IN+] + [V.sub.IN-] / 2 and [V.sub...

Studies on the Phase Transition and Thermal Stability of Xydar and Zenite...

Polymer Engineering and Science;  April 1, 2000 ;   CHUNG, TAI-SHUNG JIN, XING;   787 words ......LCPs have broader crystal-mesophase transition ([T.sub.CM]) and less clear liquid crystalline textures at ([T.sub.CM]) than those of Xydar LCPs. Xydar SRT1000 and Zenite 8000B have lower ([T.sub.CM]) than Xydar SRT900 and Zenite 6000, respectively...

What's all this Pease-Cohen effect stuff, anyhow?(Pease Porridge)

Electronic Design;  October 4, 2004 ;   Pease, Bob;   601 words ......current was less than 15 pA in standard tests (at [V.sub.CM] = 0V). Then I applied these PP25Cs with our PPT...tester said that the leak rate was good at 0 V of [V.sub.CM], and at +10 V of [V.sub.CM], but it degraded rapidly at a [V.sub.CM] of -10...

A matter of balance: line-receiver CMR in real-world environments: few...

EDN;  November 21, 2005 ;   Israelsohn, Joshua;   787 words ......requires that [V.sub.OA]/[R.sub.2] + [V.sub.CM] - [V.sub.D]/2 / [R.sub.SA] + [R.sub.1...derives: [V.sub.OA] = ([V.sub.D]/2 - [V.sub.CM])([R.sub.2]/[R.sub.SA] + [R.sub.1]. The...R.sub.SA] + [R.sub.1] + [R.sub.2] = ([V.sub.CM] + [V.sub.D]/2)([R.sub.4]/[R.sub.SB...

North Carolina Inventors Develop Signal Converter Systems

US Fed News Service, Including US State News;  August 7, 2008 ;     334 words ......the predetermined level of a common-mode reference voltage V.sub.cm. The disclosed control structures provide amplifier feedback...the predetermined level of a common-mode reference voltage V.sub.cm. They also provide amplifier feedback along a second feedback...

Differential measurements accurately catch signals - without risking your...

EDN;  September 26, 1996 ;   Sekel, Steve;   787 words ......sub.DM]/2. The common-mode voltage ([V.sub.CM]) is common to the two inputs and appears...is often simplified, as in Figure 2b. [V.sub.CM] can appear on either the positive or the...classical version in situations in which [V.sub.CM] [much greater than] [V.sub.DM]. An ideal...

Amplifier removes common-mode noise on RGB differential-video-transmission...

EDN;  April 13, 2006 ;   Papalias, Tamara Wong, Mike;   680 words ......would appear as: [R.sub.OUT+] = [V.sub.DIFF]/2 + [V.sub.CM], and [R.sub.OUT-] = -[V.sub.DIFF]/ 2+ [ V.sub.CM], where [V.sub.DIFF] represents the desired differential signal, and [V.sub.CM] exists with respect to the circuit's local ground. After...

Amplifier cancels common-mode voltage.(design ideas)

EDN Asia;  August 1, 2007 ;   Woodward, W. Stephen;   440 words ......input-voltage and CMV signals with the -10V CMV ground-noise reference: V= 10/11 x ([V.sub.I]+[V.sub.CM]) +1/11x(10x[V.sub.CM])=10/11x[V.sub.I]+10/ 11x([V.sub.CM]-[V.sub.CM])=10/11x[V.sub.I]. [V.sub.CM] is attenuated by a factor depending mainly on the...

Amplifier removes common-mode noise on RGB differential-video-transmission...

EDN Asia;  July 1, 2006 ;   Papalias, Tamara Wong, Mike;   676 words ......OUT-] would appear as: [R.sub.OUT] + =[V.sub.DIFF]/2+[V.sub.CM], and [R.sub.OUT-] = [V.sub.DIFF]/2+ [V.sub.CM], where [V.sub.DIFF] represents the desired differential signal, and [V.sub.CM] exists with respect to the circuit's local ground. After...

Easy Drive[TM] ADCs simplify measurement of high impedance sensors--Design...

EDN;  January 5, 2006 ;   Thoren, Mark;   433 words ......through a standard SPI interface and the sampling current in each input is approximately: ([V.sub.REF]/2)-[V.sub.CM]/1.5M[ohm], where [V.sub.CM] = [V.sub.IN.sup.+] + [V.sub.IN.sup.-]/2 about 1.67[micro]A when [V.sub.REF] is 5V and both inputs are grounded...

Small signals demand excellent CMRR performance. (analog angle).

EDN;  July 25, 2002 ;   Mancini, Ron;   555 words ......Figure 1). [FIGURE 1 OMITTED] [V.sub.O1] = ([V.sub.CM] + [V.sub.1])(1 + [R.sub.2]/[R.sub.1]-([V.sub.CM] + [V.sub.2])[R.sub.2]/[R.sub.1] = [V.sub.1...sub.1])-[V.sub.2] [R.sub.2]/[R.sub.1] + [V.sub.CM], and [V.sub.O2] = [V.sub.2](1 + [R.sub.3...

Isolation boosts safety and integrity. (PC-based Instruments).(isolation...

Test & Measurement World;  August 1, 2002 ;   Rowe, Martin;   787 words ......it's called a common-mode voltage ([V.sub.cm]) (Ref. 1). Common-mode voltages often...ground potential of an instrument. Should [V.sub.cm] reach AC mains potential, it not only...system uses sensors. You can minimize [V.sub.cm] by removing the local ground from the...