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capacitance
capacitation
capacitation The final stage in the maturation process of a spermatozoon. This takes place inside the genital tract as the sperm penetrates the ovum.
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Capacitance meter uses PLL for high accuracy.
Magazine article from: EDN; 10/8/2009; 700+ words
; ...Casebook described a circuit that provided capacitance measurements of 10 pF to 1 [micro...Figure 1 (pg 48) lets you measure capacitance from 10 pF to 10 [micro]F with high...input impedance and 1.7-pF input capacitance. It also has only 50 pA of input bias...
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Capacitance Gauges Come of Age For Blown-Film Thickness Control.
Magazine article from: Plastics Technology; 10/1/1999; ; 700+ words
; ...technical advances, relatively inexpensive capacitance thickness gauges reportedly are now...variations. Another big step forward for capacitance gauges is the arrival of non-contact...quicker response to thickness variations. Capacitance gauges measure the ability of a plastic...
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Parasitic capacitance in embedded inductors.(EmbeddedPassivesUpdate)
Magazine article from: CircuiTree; 1/1/2006; ; 700+ words
; ...the interwinding fringing capacitance between adjacent windings...maybe plus some fringing) capacitance, as illustrated in Figure...crossover. The specific capacitances are 0.3 pF/[mm.sup...respectively. Fringing capacitance between layers is not important...
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Phase compensation counteracts op-amp input capacitance. (bode plot analysis adds compensation capacitors to counteract poles and zeros caused by op amp input capacitance) (Tutorial)
Magazine article from: EDN; 1/6/1994; ; 700+ words
; ...represents the differential capacitance between the amplifier's...represent the common-mode input capacitance for each op-amp input to...two of the three input capacitances shunt the feedback network...the effects of the input capacitance. To examine the effects...
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Determination of the Combined Ventilation Factor and Capacitance for Ice Crystal Aggregates from Airborne Observations in a Tropical Anvil Cloud
Magazine article from: Journal of the Atmospheric Sciences; 2/1/2008; ; 700+ words
; ...dimensionless capacitance value was 1...relations and capacitances are compared...estimates of the capacitance of ice crystals by measuring the capacitances of metal analogs...modeled the capacitance of a multiarm...
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Austrian Inventor Develops Circuit with Variable Capacitance
News Wire article from: US Fed News Service, Including US State News; 2/3/2007; 508 words
; ...has developed a circuit with variable capacitance and a method for operating a circuit with variable capacitance. According to the U.S. Patent...Office: "A circuit with variable capacitance includes a capacitance, wherein the...
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Discovery of quantum capacitance property.(GRAPHENE)
Newspaper article from: Advanced Ceramics Report; 9/1/2009; 700+ words
; ...fundamental property of graphene, known as quantum capacitance, using an electrochemical gate method. Capacitance is a material's ability to store energy. In classical physics, capacitance is limited by the repulsion of like electrical charges...
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Capacitance thickness gauges: new designs break old barriers.
Magazine article from: Plastics Technology; 5/1/2005; ; 700+ words
; Capacitance gauges are attempting to solve their...barrier films. Virtually all makers of capacitance gauges brought new models targeting...concept that could provide the first capacitance gauge for cast film. Pluses and minuses...
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The Capacitance of Pristine Ice Crystals and Aggregate Snowflakes
Magazine article from: Journal of the Atmospheric Sciences; 1/1/2008; ; 700+ words
; ...from the particle, the capacitances of a number of model...s equation for the capacitance. Provided that a large...expect the calculated capacitances to be accurate to within ~1%. The capacitance for the modeled aggregate...
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The history of embedded distributed capacitance; embedded distributed capacitance is much older than most think, with the first known U.S. patents being issued in the 1920s. A look at six important--yet overlooked--works.(Embedded Capacitance Patents)
Magazine article from: Printed Circuit Design & Manufacture; 8/1/2004; ; 700+ words
; Embedded distributed capacitance as a concept has been around since...In fact, embedded distributed capacitance and thin film nickel alloy resistors...passives, and specifically embedded capacitance, have been a hot topic over the...
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capacitance
Book article from: The Columbia Encyclopedia, Sixth Edition
capacitance in electricity, capability of a body...device for storing electric charge. Capacitance is expressed as the ratio of stored...difference in volts. The resulting unit of capacitance is the farad [for Michael Faraday...
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capacitor
Book article from: The Columbia Encyclopedia, Sixth Edition
...storing electric charge (i.e., its capacitance ) can be increased by increasing the area...the measure of the dielectric's unit capacitance. It describes the ratio of the capacitance of a dielectric-filled capacitor to a...
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SIC 3675 Electronic Capacitors
Encyclopedia entry from: Encyclopedia of American Industries
...Delton T. Horn defined capacitors and capacitance: "A capacitor is a device capable...an insulator, called a dielectric. Capacitance is directly proportional to the area...withstand shocks and could produce the same capacitance as a smaller capacitor. D. G. Fitzgerald...
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impedance
Book article from: The Columbia Encyclopedia, Sixth Edition
...impedance is affected by the inductance and capacitance in the circuit. When supplied with...the circuit that contain inductance or capacitance build up voltages that act in opposition...current. The reactance produced by capacitance is inversely proportional to the frequency...
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farad
Book article from: A Dictionary of Nursing
farad ( fa -răd) n. the SI unit of capacitance, equal to the capacitance of a capacitor between the plates of which a potential difference of 1 volt appears when it is charged with 1 coulomb of electricity. Symbol: F.
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