نتایج جستجو برای: df3
تعداد نتایج: 90 فیلتر نتایج به سال:
BACKGROUND When ovarian carcinoma is diagnosed in stage I, up to 90% of patients can be cured with surgery and currently available chemotherapy. At present, less than 25% of cases are diagnosed at this stage. To increase the fraction of ovarian cancers detected at an early stage, screening strategies have been devised that utilize a rising serum CA125 level to trigger the performance of transva...
Drip irrigation can reduce water and fertilizer use; however, the frequency of topdressing required for drip wheat in Huang-Huai-Hai region is still unclear. Through two continuous season field experiments, yield related traits under traditional surface (border irrigation) three fertilization frequencies (DF2, DF3, DF4, that was, twice, or four times same way during growth period) cultivars (Ji...
Abstract Electronic, optical, and mechanical properties of single-walled C-57 carbon nanotube have been investigated within the framework density functional theory (DFT). It was found that for nanotube, there is a direct relationship between its radius Young's modulus: larger leads to modulus. Optical calculated NORMCONS pseudopotential type (Von Barth-Car Method) whit Perdew-Zunger (LDA) exch-...
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