نتایج جستجو برای: severity of infection soi
تعداد نتایج: 21226812 فیلتر نتایج به سال:
We have developed a fully-depleted SOI-MOSFET model HiSIM-SOI for circuit simulation by solving the potential distribution along all three important SOI-surfaces selfconsistently. Besides comparison to measured I-V data, the model is verified with 1/f noise analysis, sensitive to the carrier concentration and distribution along the channel. The carrier concentration increase, due to confinement...
sclerotinia stem rot (ssr), caused by sclerotinia sclerotiorum, is the most important diseases of canola (brassica napus) in iran. in order to study of the impact of ssr on canola yield, infection situation and yield of 80 fields in four different regions of golestan province (gorgan, ali abad, kalaleh and gonbad) in north of iran, was recorded during two growing seasons (2006 and 2007). ssr se...
Gate tunneling current in fully depleted, double-gate (DG) silicon-on-insultor (SOI) MOSFETs is characterized based on quantummechanical principles. The gate tunneling current for symmetrical DG SOI with ground-plane ( =1.5 nm and =5 nm) is shown to be higher relative to single-gate (bulk) MOS structure. The tunneling is enhanced as the silicon layer becomes thinner since the thinner silicon la...
In this paper we report the ultrafast all-optical wavelength conversion in Silicon-onInsulator (SOI) waveguides. We used a pump-probe setup with 300 femtosecond pulses to demonstrate large temporal phase-shifts, caused by the Kerr effect and free carrier generation. Large wavelength shifts of a 1683nm probe signal have been observed. The wavelength conversion, ranging from 10nm redshifts to 15n...
مالاریا یکی از بیماری های بومی ایران است که از زمان های قدیم در این کشور شیوع داشته. شیوع و انتشار این بیماری تحت تاثیر مسائل اقتصادی، اجتماعی و فرهنگی به ویژه شرایط محیطی است. در این مطالعه رابطه ی بین تغییرات سالانه ی موارد بروز بیماری مالاریا و شاخص soi برای ایران طی سال های 2007-1990 و نیز تغییرات ماهانه موارد بروز بیماری مالاریا و شاخص soi برای شهر چابهار طی سال های 1382 تا 1387 مورد بررسی...
A range of nutrients has been studied or proposed for use in preventing respiratory tract infections and reducing their severity. This article gives a narrative review the existing literature, biological rationales current state clinical evaluation micronutrient therapies. The importance vitamin A, B vitamins, C, D, eicosapentaenoic acid, E, selenium, zinc combination therapies are discussed, l...
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