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  1. 3901
    “…The structure has been assessed by electromagnetic simulation and implemented on an FR4 substrate of 1.6 mm thickness, with an edge of the square-shaped unit cell of 15 mm. Tests in an anechoic chamber demonstrated good matching between simulation and experimental results and proper operation of the device.…”
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    Frequency Selective Surface for Ultra-Wide Band Filtering and Shielding
  2. 3902
    “…Noncontrast-enhanced ultrasonography showed an anechoic area with indistinct boundaries mainly located within the submucosal layer in the gastric wall, and the lesion showed no contrast enhancement on contrast-enhanced ultrasonography. …”
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    A case of idiopathic gastric intramural hematoma diagnosed using contrast-enhanced ultrasonography and followed up with conservative treatment
  3. 3903
    “…In 2D ultrasonogram, six anechoic cavities appeared with thin strip of renal parenchyma. …”
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    Diagnosis of pathological conditions of kidney by two-dimensional and three-dimensional ultrasonographic imaging in dogs
  4. 3904
    por Borges, Jorge Luis, 1899-1986
    Publicado 2011
    Libro
    Cuentos completos /
  5. 3905
    “…The first case had ultrasound findings of an anechoic collection, and the aspirate was serous with negative microbiologic cultures. …”
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    Role of Endobronchial Ultrasound in the Diagnosis of Bronchogenic Cysts
  6. 3906
    por Risso, A., Pellegrino, F.J., Corrada, Y.
    Publicado 2014
    “…Ultrasound examination revealed the presence of low to moderate anechoic fluid collection in the left uterine horn. …”
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    Simultaneous pyometra and viable puppies’ gestation in a bitch
  7. 3907
    “…Abdominal ultrasonography identified the presence of a localized anechoic structure with a thick wall in contact with the small intestine and adjacent to the liver. …”
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    Pancreatic Abscess in a cat due to Staphylococcus aureus infection
  8. 3908
    “…Furthermore, we completed human breathing detection experiments in an anechoic chamber and in an ordinary chamber; we obtained the breathing rate through envelope detection in cases where the human orientation angle was 0, 30, 60, and 90°. …”
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    Noncontact Detection of Respiration Rate Based on Forward Scatter Radar
  9. 3909
    “…On Day 7 before parturition, prenatal sonograms showed anechoic bilateral dilated cerebral lateral ventricles, suggesting fluid-filled regions (ventriculomegaly) in one foetus. …”
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    Prenatal diagnosis of foetal hydrocephalus and suspected X-linked recessive inheritance of cleft lip in a Chihuahua
  10. 3910
    “…Trans-vaginal ultrasound revealed a left ovarian anechoic cyst of 30 mm and four embryos in the right tube with positive cardiac activities. …”
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    Spontaneous unilateral quadruplet tubal ectopic pregnancy
  11. 3911
    “…In this study, measurements of a 1 × 2 × 1 UHF passive RFID system, including a MIMO UHF passive RFID tag prototype and its corresponding software-defined radio-based reader, taken in a microwave anechoic chamber, are presented. The experimental results are compared with theoretical values and computer simulations. …”
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    Experimental Results and Performance Analysis of a 1 × 2 × 1 UHF MIMO Passive RFID System
  12. 3912
    “…RCS measurement under quasi-anechoic condition is presented with its procedure and calibration method. …”
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    RCS Estimation of Singly Curved Dielectric Shell Structure with PMCHWT Method and Experimental Verification
  13. 3913
    “…The noise characteristics and analytical performance of the OC are tested in an anechoic room and under field conditions. Here we present the first successful application of a sampling-free OC for water vapor flux measurements.…”
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    Open photoacoustic cell for concentration measurements in rapidly flowing gas
  14. 3914
    por Damaske, Peter
    Publicado 2008
    “…For this purpose a strong onset of reverberation is modified in an anechoic chamber by electroacoustic means. Acoustics and Hearing proposes ideas concerning signal processing in the auditory system that explain the measured results and the resultant sound effects pleasing to the audience.…”
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    Acoustics and Hearing
  15. 3915
    “…In this review paper, core issues affecting African American genomic studies are addressed and two case studies, the New York African Burial Ground and the Gullah Geechee peoples, are presented to highlight the current status of genomic research among Africa Americans. …”
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    Core issues, case studies, and the need for expanded Legacy African American genomics
  16. 3916
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    Indications for a genetic basis for big bacteria and description of the giant cable bacterium Candidatus Electrothrix gigas sp. nov.
  17. 3917
    “…But in some cases, especially in the localized fundal type of adenomyomatosis, the intramural anechoic cystic spaces are uncertainty which causes difficult to differential adenomyomatosis from GB cancer. …”
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    Contrast-enhanced ultrasonography diagnosis of fundal localized type of gallbladder adenomyomatosis
  18. 3918
    por Bedoya, Pablo, Nestler, John
    Publicado 2019
    “…A transvaginal ultrasound revealed a right ovarian volume of 19.3 mL and a left ovarian volume of 12.4 mL; 3 anechoic follicles were noted on the left, the largest of which measured 14.5 x 14.0 x 15.0 mm; 2 anechoic follicles were noted on the right, the largest of which measured 18.9 x 21.5 x 16.8 mm; bilateral hydrosalpinges were identified. …”
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    SAT-240 Type B Insulin Resistance Resulting in Hyperthecosis in a Postmenopausal Woman
  19. 3919
    “…Nevertheless, the presence of anechoic and luminant areas on ultrasonic image was correlated with poor mNGS positivity rate.…”
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    The Value of Combined Radial Endobronchial Ultrasound-Guided Transbronchial Lung Biopsy and Metagenomic Next-Generation Sequencing for Peripheral Pulmonary Infectious Lesions
  20. 3920
    “…However, an anechoic TUS pattern was not unequivocally associated with transudates. …”
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    Effectiveness and Safety of Real-Time Transthoracic Ultrasound-Guided Thoracentesis
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