نتایج جستجو برای: cartwheel method
تعداد نتایج: 1630285 فیلتر نتایج به سال:
The significance of visual and creative arts has been apparent throughout history across academic disciplines worldwide. Humans have relied on to make meaningful interpretations understanding sophisticated complex ideas, such as designs for a submarine part series sketch envisioned flying machines by Leonardo da Vinci (1485-1487), design cartwheel in BC 45 several mathematical chemical formulas...
We have studied an ultraluminous X-ray source (ULX) in NGC 4559 with XMM-Newton, and its peculiar star-forming environment with HST/WFPC2. The X-ray source is one of the brightest in its class (L x ≈ 2 × 10 40 erg s −1). Luminosity and timing arguments suggest a mass ∼ > 50M ⊙ for the accreting black hole. The ULX is located near the rim of a young (age < 30 Myr), large (diameter ≈ 700 pc) ring...
Expression of bacterial efflux pump is one the major causes for developing antibiotic resistance in a variety pathogens. Efflux inhibitors (EPIs) are potential molecules that can antagonize those pumps and help alleviating problem. The study was aimed to explore EPI activity vitexin 2"-O-xyloside, an apigenin flavone glycoside. A total 15 clinical isolates Staphylococcus aureus were collected t...
In order to identify biomotor systems that determine performance of competitive gymnastics elements in elementary school female sixth-graders, factor structures of morphological characteristics and basic motor abilities were determined first, followed by relations of the morphological-motor system factors obtained with a set of criterion variables evaluating specific motor skills in competitive...
abstract part one: the electrode oxidation potentials of a series of eighteen n-hydroxy compounds in aqueous solution were calculated based on a proper thermodynamic cycle. the dft method at the level of b3lyp-6-31g(d,p) was used to calculate the gas-phase free energy differences ,and the polarizable continuum model (pcm) was applied to describe the solvent and its interaction with n-hydroxy ...
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