نتایج جستجو برای: Field intensity factors

تعداد نتایج: 1959167  

Journal: :Journal of Research of the National Bureau of Standards 1950

Journal: :Surgical and Cosmetic Dermatology 2023

INTRODUCTION: High-intensity focused electromagnetic field treatment (HIFEM) uses low-frequency waves to induce supramaximal muscle contractions, causing hypertrophy and reducing fat. OBJECTIVE: To evaluate the effects of a HIFEM for improvement cellulite on buttocks. METHODS: Thirty patients were divided into two groups that received eight or 12 sessions buttocks six weeks. We assessed in butto...

Journal: :computational methods in civil engineering 2010
s.sh. ghorashi s.r. sabbagh-yazdia s. mohammadi

a new approach for analyzing cracked problems in 2d orthotropic materials using the well-known element free galerkin method and orthotropic enrichment functions is proposed. the element free galerkin method is a meshfree method which enables discontinuous problems to be modeled efficiently. in this study, element free galerkin is extrinsically enriched by the recently developed crack-tip orthot...

Journal: :Geophysical Journal International 2000

Journal: :Review of Scientific Instruments 1945

Journal: :iranian journal of radiation research 0
m. yarahmadi kurdistan university of medical sciences, sanandaj, iran h.a. nedaie department of medical physics , faculty of medicine, tehran university of medical sciences, tehran, iran m. allahverdi department of medical physics , faculty of medicine, tehran university of medical sciences, tehran, iran kh. asnaashari department of radiotherapy , cancer institute, tehran university of medical sciences, tehran, iran o.a. sauer klinik und poliklinik für strahlentherapie, university of würzburg, josef-schneider-strasse 11, 97080 würzburg, germany

background: small photon fields are increasingly used in modern radiotherapy especially in intensity modulated radiation therapy (imrt) and stereotactic radiosurgery (srs) treatments. accurate beam profile and central axis depth doses measurements of such beams are complicated due to the electron disequilibrium. hence the ebt2 (external beam therapy) gafchromic film was used for dosimetry of sm...

Journal: :Chest 1986
G Gamsu

Magnetic resonance (MR) is based on the principle that nuclei of elements with an odd number of protons and neutrons spin and behave as magnets. When they are placed in a strong magnetic field, these nuclei align themselves in relation to the field. Ifradiowaves with a frequency specific to the nucleus and strength of the magnetic field (resonant frequency) is applied, some of the nuclei will a...

DOR: 98.1000/2383-1251.1397.5.33.9.1.1578.1610 Extended abstract Introduction: Niger with the scientific name of Guizotia abyssinica (L.F.) Cass. belongs to the Asteraceae family. Niger seed contains 50-75 percentage of oil which is used in the treatment of rheumatism and burns, and as a substitute for olive oil. Its meal is also used for animal feeding. Environmental crises sustained by ...

Journal: :BioMedical Engineering OnLine 2004
Rudolf Marx Franz Jungwirth Per-Ole Walter

BACKGROUND Slow crack growth can be described in a v (crack velocity) versus KI (stress intensity factor) diagram. Slow crack growth in ceramics is attributed to corrosion assisted stress at the crack tip or at any pre-existing defect in the ceramic. The combined effect of high stresses at the crack tip and the presence of water or body fluid molecules (reducing surface energy at the crack tip)...

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