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Power density

Changes in irradiance and energy density in relation to different curing distances

Changes in irradiance and energy density in relation to different curing distances

... and power density of four curing light ...of power density of four different dental curing devices was analyzed (Valo, Elipar 2, Radii-Cal, and Optilux-401) using three different distances of ...

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A Protection Circuit for DC-DC Converter with Voltage Doubler

A Protection Circuit for DC-DC Converter with Voltage Doubler

... applications power density is an important criterion ...increasing power density ...improving power density ...the power density at lower ...mode power ...

11

High Resolution Topography of Age-Related Changes in Non-Rapid Eye Movement Sleep Electroencephalography.

High Resolution Topography of Age-Related Changes in Non-Rapid Eye Movement Sleep Electroencephalography.

... high density (256 channel) electroencephalography (EEG) during sleep to characterize topographic changes in sleep EEG power across normal aging, with high spatial ...high density EEG. After artifact ...

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Occurrence and location of concentrated load and generator regions observed by Cluster in the plasma sheet

Occurrence and location of concentrated load and generator regions observed by Cluster in the plasma sheet

... the power density, E·J , where E is the electric field and J the current ...the power density, we have identified more than three times as many Concentrated Load Regions (CLRs) as Concentrated ...

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Arq. Bras. Cardiol.  vol.78 número4

Arq. Bras. Cardiol. vol.78 número4

... the power density spectrum is focused, corresponds to half of the RR interval related to the mean heart rate related to time is ...the power spectrum was ...

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J. Microw. Optoelectron. Electromagn. Appl.  vol.15 número3

J. Microw. Optoelectron. Electromagn. Appl. vol.15 número3

... radiated power density are obtained for the metamaterials antenna structure which is composed of a PIFA antenna and a one complementary element of a split ring ...radiated power density to ...

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Use of nonelectrolytes reveals the channel size and oligomeric constitution of the Borrelia burgdorferi P66 porin.

Use of nonelectrolytes reveals the channel size and oligomeric constitution of the Borrelia burgdorferi P66 porin.

... In the Lyme disease spirochete Borrelia burgdorferi, the outer membrane protein P66 is capable of pore formation with an atypical high single-channel conductance of 11 nS in 1 M KCl, which suggested that it could have a ...

11

Precise temperature calibration for laser heat treatment

Precise temperature calibration for laser heat treatment

... high power density of the laser heat sources and the high processing temperatures often de- sired to be close to the melting temperature of the materials, precise temperature measurement and control is ...

8

Mat. Res.  vol.6 número1

Mat. Res. vol.6 número1

... ously the gas temperature in the plasma volume increases from 2200 K to 3400 K (Fig. 8b). These behaviors associ- ated with the behavior of the electron temperature (Fig. 6c) indicate a change in the dissociation ...

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A Novel Technique for Glitch and Leakage Power Reduction in CMOS VLSI Circuits

A Novel Technique for Glitch and Leakage Power Reduction in CMOS VLSI Circuits

... The development of digital integrated circuits is challenged by higher power consumption. The combination of higher clock speeds, greater functional integration, and smaller process geometries has contributed to ...

8

Electromagnetic Radiation Measurements and Safety Issues of some Cellular

Electromagnetic Radiation Measurements and Safety Issues of some Cellular

... wave power density especially at the far field. This density is de- fined as the power per unit area; it may be expressed in terms of watts per square meter (w/m²), milliwatts per square ...

8

Performance and Modeling of a Direct Methanol Fuel Cell

Performance and Modeling of a Direct Methanol Fuel Cell

... on power density were presented in Figure 2 and it can be observed that at low current densities, the power outputs were ...current density, a little higher power density was ...

6

Inverse scattering problem in turbulent magnetic fluctuations

Inverse scattering problem in turbulent magnetic fluctuations

... Abstract. We apply a particular form of the inverse scatter- ing theory to turbulent magnetic fluctuations in a plasma. In the present note we develop the theory, formulate the mag- netic fluctuation problem in terms of ...

17

Sba Controle & Automação  vol.22 número6

Sba Controle & Automação vol.22 número6

... Similarly, studies of Pfurtscheller et al. (1999) show that the accomplishment of mental tasks causes changes in the en- ergy of α and β frequency bands, with respect to the values observed in the cortex at rest. If such ...

9

Acoustic Doppler Current Profiler observations in the southern Caspian Sea: shelf currents and flow field off Freidoonkenar Bay, Iran

Acoustic Doppler Current Profiler observations in the southern Caspian Sea: shelf currents and flow field off Freidoonkenar Bay, Iran

... A power spectrum, obtained by a complex Fast Fourier Transform (FFT), is a tool for distributing the total variance over a range of frequencies. The highest frequency i.e., the Nyquist frequency, which can be ...

35

rev. educ. fis.  vol.22 número4

rev. educ. fis. vol.22 número4

... Average Power (AP) – A, Peak Power (PP) – B, Minimium Power (MP) – C and Index of Fatigue (IF) – D during the periodiza- tion. A – a = T0 x T1 (p < 0.001); b = T0 x T2 (p < 0.001); c = T0 x T3 ...

4

Simulation and Optimization of MQW based optical modulator for on chip optical interconnect

Simulation and Optimization of MQW based optical modulator for on chip optical interconnect

... photon density output of MQWM Modulator with ramp input and bias current=2mA is shown in fig ...interconnect power is observed as a function of bit ...interconnect power as a function of parameter X, ...

6

Earlywood vessel features in Quercus faginea: relationship between ring width and wood density at two sites in Portugal

Earlywood vessel features in Quercus faginea: relationship between ring width and wood density at two sites in Portugal

... Wood density was determined by X-ray microdensitometry and the first results were reported in Knapic et ...ring density, earlywood density, late- wood density, heterogeneity index, latewood ...

8

Spectra and anisotropy of magnetic fluctuations in the Earth&apos;s magnetosheath: Cluster observations

Spectra and anisotropy of magnetic fluctuations in the Earth&apos;s magnetosheath: Cluster observations

... Fig. 1. FGM and STAFF-SA/Cluster data on 19 December 2001, 02:00–04:00 UT. Average spectra of the magnetic fluctua- tions, calculated using the Morlet wavelet transform of the FGM data (f <10 Hz). Solid line: for the ...

12

Design And Construction Of 300W Audio Power Amplifier For Classroom

Design And Construction Of 300W Audio Power Amplifier For Classroom

... Microphone Preamplifier is to pre amplify the audio signals from the microphone or line (CD player, EVD player, etc...).Tone Preamplifier is to lift and cut the low frequency and high frequency of the signal. Equalizer ...

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