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Ionization chamber

Development of Master Chamber Software for Data Acquisition of Ionization Chamber for Indus 2 RRCAT

Development of Master Chamber Software for Data Acquisition of Ionization Chamber for Indus 2 RRCAT

... of ionization chamber for INDUS-2, will measure long term stability of the incoming X-ray ...of ionization chamber for INDUS-2 has built in Visual Studio 2008 on ...instrument ...

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Performance tests of a special ionization chamber for X-rays in mammography energy range

Performance tests of a special ionization chamber for X-rays in mammography energy range

... homemade ionization chamber was developed to be applied for mammography energy range ...This chamber has a total sensitive volume of 6 cm³ and is made of a PMMA body and graphite coated collecting ...

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Evaluation of some dosimetric properties of a dedicated plane parallel ionization chamber for radiotherapy electron beams

Evaluation of some dosimetric properties of a dedicated plane parallel ionization chamber for radiotherapy electron beams

... The ionization chamber investigated was the first one developed by the IPEN research group us- ing the described mixture for the collecting ...IPEN ionization chambers was a uniformly spread graphite ...

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Development and characterization of a new graphite ionization chamber for dosimetry of 60Co beams

Development and characterization of a new graphite ionization chamber for dosimetry of 60Co beams

... The Monte Carlo simulations were carried out using the EGSnrc code [5] for radiation transport, in order to obtain the correction factors of the graphite ionization chamber. The spectrum utilized in the ...

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Evaluation of a plane-parallel ionization chamber for low-energy radiotherapy beams

Evaluation of a plane-parallel ionization chamber for low-energy radiotherapy beams

... The saturation curve indicates the best tension that shall be applied to the ionization chamber. The saturation curves were obtained utilizing the T-30 and T-50(b) beams for radiotherapy (Fig- ure 4). The ...

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Radiol Bras  vol.39 número3 en a11v39n3

Radiol Bras vol.39 número3 en a11v39n3

... plate ionization chamber with sensitive volume of 1 cm³, and a PTW Unidos 10001 ...This chamber is a secondary standard certified by Physikalisch-Technische Bundesanstalt (PTB), ...

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Braz. J. Phys.  vol.39 número4

Braz. J. Phys. vol.39 número4

... The FXG absorbance measurements were obtained using a home made quasi monochromatic light intensity reader [13] (with a collimator aperture of 1 mm). The system is com- posed of a light emission diode and a photodiode ...

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Some characterization tests for an extrapolation chamber in CT standard beams in a specific chamber depth

Some characterization tests for an extrapolation chamber in CT standard beams in a specific chamber depth

... pencil ionization chambers with sensitive volume lengths of 10 ...extrapolation ionization chamber, built at the Cali- bration Laboratory (LCI) was tested to establish a CT primary ...specific ...

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Use of a mammography chamber in the characterization of radioprotection qualities N15 to N120

Use of a mammography chamber in the characterization of radioprotection qualities N15 to N120

... The ISO-N10 and ISO-N150 qualities are not feasible when using the Radcal 10X5-6M ionization chamber, dedicated to mammography, for calibration purposes under the radioprotection radiation conditions ...

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Radiol Bras  vol.41 número1

Radiol Bras vol.41 número1

... the ionization chamber utilized for the mea- ...the chamber developed in the present study, limiting the number of exposures required for the mea- surement of the air kerma rate linearity as a ...

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Evaluation of the performance of radioprotection ionization chambers used in radiometric survey of radiology clinical systems

Evaluation of the performance of radioprotection ionization chambers used in radiometric survey of radiology clinical systems

... the ionization chamber, in the fourth simulated period there was a reduction of the average simulated humidity to 67%, but the ionization chamber continued to present a significant current ...

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A microfluidic chamber for analysis of neuron-to-cell spread and axonal transport of an alpha-herpesvirus.

A microfluidic chamber for analysis of neuron-to-cell spread and axonal transport of an alpha-herpesvirus.

... microfluidic chamber placed on a glass coverslip that was previously coated with 500 mg/ml of poly-dl-ornithine (Sigma Aldrich) diluted in borate buffer and 10 mg/ml of natural mouse laminin ...

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Biometric, B-mode and color Doppler ultrasound assessment of eyes in healthy dogs

Biometric, B-mode and color Doppler ultrasound assessment of eyes in healthy dogs

... anterior chamber depth (M2), lens thickness (M3), lens length (M4), vitreous chamber depth (M5), optical disc length (M6) and optic nerve diameter ...vitreous chamber depth (M5) was shown to be the ...

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Technical Note: Intercomparison of formaldehyde measurements at the atmosphere simulation chamber SAPHIR

Technical Note: Intercomparison of formaldehyde measurements at the atmosphere simulation chamber SAPHIR

... prepared DNPH cartridges for HPLC analysis (derivatization-chromatography), two dif- ferent types of commercially available wet chemical sensors (Hantzsch fluorimetry) and a PTR-MS instrument (chemical ionization ...

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Cave chamber data modeling and 3D Web visualization

Cave chamber data modeling and 3D Web visualization

... plexity of the 3D-mesh, the realistic visualization of the chamber and real time interaction. For these reasons, we used the Poisson Surface Reconstruction method with an octree depth of 11 to generate a 3D-mesh ...

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Development and evaluation of an inhalation chamber for in vivo tests

Development and evaluation of an inhalation chamber for in vivo tests

... inhalation chamber was developed with a reduced central inner space in order to decrease the inlet air dissipation, resulting in better utilization of the test material due to rapid chamber ...

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Drying of Grape with an Infrared Radiation heating mechanism

Drying of Grape with an Infrared Radiation heating mechanism

... closed chamber and is a three step ...the chamber to remove humid air in between energy source and grapes which is developed inside the chamber, because of evaporation and moisture present on ...

6

Arq. Bras. Cardiol.  vol.88 número3 en a23v88n3

Arq. Bras. Cardiol. vol.88 número3 en a23v88n3

... Cor triatriatum; heart defects, congenital; adult; pregnancy. Cor triatriatum (CT) is a rare congenital cardiac anomaly that usually becomes symptomatic in the first years of life. If the condition is not associated with ...

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Arq. Bras. Oftalmol.  vol.77 número4

Arq. Bras. Oftalmol. vol.77 número4

... The ACA of the whole eye changed during accommodation. The relative decrease in ACA was 3.73%. However, the local ACA varied signiicantly with accommodation. The highest and lowest relative decreases in the ACA after -4 ...

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Arq. Bras. Oftalmol.  vol.80 número4

Arq. Bras. Oftalmol. vol.80 número4

... retrolental membrane was also identified, which is related to PFV (Figure 3 B, C, D, and E). Pilocarpine was discontinued, and we pres- cribed atropine 1% q.d., prednisolone 1% q.i.d., and oral prednisolone. After 3 ...

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