derivative voltage
51photography, technology of — Introduction equipment, techniques, and processes used in the production of photographs. The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… …
52Pentium M — Produced From 2003 to 2008 Common manufacturer(s) Intel Max. CPU clock rate 900 MHz to 2.26 GHz …
53Tetrodotoxin — Chembox new ImageFile=Tetrodotoxin 2D skeletal.png ImageSize= ImageFile2=Tetrodotoxin 3D balls.png IUPACName=Octahydro 12 (hydroxymethyl) 2 imino 5,9:7,10a dimethano 10aH [1,3] dioxocino [6,5 d] pyrimidine 4,7,10,11,12 pentol… …
54Quartz crystal microbalance — A quartz crystal microbalance (QCM) measures a mass per unit area by measuring the change in frequency of a quartz crystal resonator. The resonance is disturbed by the addition or removal of a small mass due to oxide growth/decay or film… …
55List of Intel Xeon microprocessors — The Xeon microprocessor from Intel is a CPU targeted at the server and workstation markets, it also competes with AMD s Opteron. P6 based XeonsPentium II Xeon Drake (250 nm) * All models support: MMX NetBurst based XeonsXeon (UP/DP) Foster (180… …
56Maximum power transfer theorem — In electrical engineering, the maximum power transfer theorem states that, to obtain maximum external power from a source with a finite internal resistance, the resistance of the load must be equal to the resistance of the source as viewed from… …
57Power (physics) — In physics, power is the rate at which energy is transferred, used, or transformed. For example, the rate at which a light bulb transforms electrical energy into heat and light is measured in watts the more wattage, the more power, or what is the …
58Cutoff frequency — This article is about signal processing. For other uses, see Cutoff (disambiguation). Magnitude transfer function of a bandpass filter with lower 3 dB cutoff frequency f1 and upper 3dB cutoff frequency f2 …
59British Rail Mark 3 — Infobox DMU name = British Rail Mark 3 imagesize = 250px background = #0033cc caption = British Rail Mk 3 at Marylebone in original InterCity blue and grey livery Manufacturer = BREL Operator = East Midlands Trains First Great Western First… …
60Nondimensionalization — is the partial or full removal of units from an equation involving physical quantities by a suitable substitution of variables. This technique can simplify and parameterize problems where measured units are involved. It is closely related to… …
