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X-ray

A Novel Feature Extraction Scheme for Medical X-Ray Images

A Novel Feature Extraction Scheme for Medical X-Ray Images

... the x-ray images are characterized with contrast variation and non-uniform intensity background, weak signal-to-noise ratio, digitized x- ray projections noise, and high frequency noise, ...

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Portable grazing exit X-ray fluorescence system using a low-power X-ray tube

Portable grazing exit X-ray fluorescence system using a low-power X-ray tube

... exit X-ray fluorescence (GE-XRF) system (geometric 90° - 0°) that can be applied in several areas of science and ...Au) X-ray tube, a SiPIN detector and quartz-disc reflectors as sample ...

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Automatic focus algorithms for TDI X-Ray image reconstruction

Automatic focus algorithms for TDI X-Ray image reconstruction

... by X-rays for contaminations. These X-ray machines contin- uously scan the product passing ...required X-ray power, a Time, Delay and Integration (TDI) CCD-sensor is used to capture the ...

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Genomics and X-ray microanalysis indicate that Ca

Genomics and X-ray microanalysis indicate that Ca

... by X. fastidiosa, and X-ray microanalysis demonstrated the presence of elemental sulfur both in cells grown in vitro and in cells found inside plant vessels, indicating that the sulfur signal is ...

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Compliance and Quality Control Monitoring of Diagnostic X ray Facilities in Dar es Salaam City, Tanzania

Compliance and Quality Control Monitoring of Diagnostic X ray Facilities in Dar es Salaam City, Tanzania

... diagnostic X-ray equipment each year ...60 X-ray facilities were evaluated. Of the visited X-ray facilities, 9 (15 %) centers were new, not rendering X-ray services ...

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Precision of dual energy x-ray absorptiometry for body composition measurements in cats.

Precision of dual energy x-ray absorptiometry for body composition measurements in cats.

... A short-term precision error of the individual subject and the DEXA technique, such as the effect of the repositioning of the cat on the examination table, were established. Four neutered adult cats (BW=4342g) and three ...

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X ray diffraction (XRD)

X ray diffraction (XRD)

... this process. We analyzed the kinetics of thermal transformation of Al-maghemites into Al-hematites and some of its mineralogical aspects. Synthetic substituted maghemites with different degrees of Al-substitution (0.0, ...

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Caries detection in panoramic dental x-ray images

Caries detection in panoramic dental x-ray images

... Dental X-ray are used in biometrics for the identification of deceased individuals ...dental X-ray AM with the dental X- ray ...

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Hard X-ray and Soft Gamma Ray Polarimetry with CdTe/CZT Spectro-Imager

Hard X-ray and Soft Gamma Ray Polarimetry with CdTe/CZT Spectro-Imager

... hard X- and γ-rays astrophysics, the requirements to achieve high detection efficiency is almost ...hard X- and soft γ-rays astrophysics instruments implementing new high energy focusing optics (see ...

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System for X-Ray excited optical luminescence (xeol) measurements.

System for X-Ray excited optical luminescence (xeol) measurements.

... raios X para fora do sistema ...raios X, podendo ocorrer transmissão das radiações ionizantes se a lâmina de chumbo não for ...raios X a 45°, evitando a irradiação da mesma por radiações ...

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SELF-ORGANIZATION OF LEAD SULFIDE QUANTUM DOTS INTO SUPERSTRUCTURES

SELF-ORGANIZATION OF LEAD SULFIDE QUANTUM DOTS INTO SUPERSTRUCTURES

... of X-ray structural analysis (X-ray scattering at small angles) is used to show that the structures obtained by self-organization on a substrate of lead sulfide (PbS) quantum dots are ordered ...

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J. Braz. Chem. Soc.  vol.24 número2

J. Braz. Chem. Soc. vol.24 número2

... in X-ray diffraction patterns of the sample obtained from sonochemical method could be an evidence of smaller particle ...the X-ray wavelength of ...

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UNIVERSIDADE DE BRASÍLIA INSTITUTO DE FÍSICA Tese de Doutorado em Física

UNIVERSIDADE DE BRASÍLIA INSTITUTO DE FÍSICA Tese de Doutorado em Física

... report X-Ray Diffraction (XRD) and Energy Dispersive X-Ray Spectroscopy (EDS) measurements to investigate the confined cation exchange process in saline aqueous suspen- sions of a synthetic ...

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Synthesis and characterization of (Ba,Yb) doped ceria nanopowders

Synthesis and characterization of (Ba,Yb) doped ceria nanopowders

... incident x-ray wave length, θ is the dif- fraction angle, D is crystallite size and ∆d is the differ- ence of the d spacing corresponding to a typical ...

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Rev. Col. Bras. Cir.  vol.42 número4

Rev. Col. Bras. Cir. vol.42 número4

... chest X-ray (CXR), pelvis X-ray (RXP) and FAST (Focused Abdominal Sonography on Trauma) to exclude significant lesions of the body in blunt ...chest X-ray, pelvis and FAST - are ...

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Braz. J. Phys.  vol.32 número1

Braz. J. Phys. vol.32 número1

... a smaller neutron yield: (a) Soft X-ray images obtained with. the multi-pin-hole amera[r] ...

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Cartiane Rubshirley Macêdo da Rocha

Cartiane Rubshirley Macêdo da Rocha

... the X-ray test and computer-aided X-ray imaging analysis with the software Tomato Analyzer®, and check whether or not this relationship changes after a period of seed storage under different ...

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Electrodeposition of Ni-B and Ni-Co-B Alloys by Using Boric Acid as Boron Source

Electrodeposition of Ni-B and Ni-Co-B Alloys by Using Boric Acid as Boron Source

... dispersive X-ray spectrometry (EDXS) cou- pled to a scanning electron microscopy ...(SEM). X-ray diffractometry (XRD) was employed to characterize the alloy ...5000 X-ray gener- ...

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J. bras. pneumol.  vol.40 número5

J. bras. pneumol. vol.40 número5

... Chest X-rays demonstrated a round, opaque object lodged at the upper ...(AP) X-ray (Figure 1A) and a step-off on the lateral view (Figure 1B) allowed the diagnosis of button battery (BB) ...

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Arq. NeuroPsiquiatr.  vol.64 número3B

Arq. NeuroPsiquiatr. vol.64 número3B

... eral X-ray showing a three-point construct with C1-C2 transartic- ular screws plus C1 lateral mass screws; ...C-spine x-ray demonstrating a severe C1-C2 subluxa- tion with marked erosion of ...

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