نتایج جستجو برای: culture source
تعداد نتایج: 683304 فیلتر نتایج به سال:
امروزه کیفیت توان هم از طرف شبکه و هم از طرف مصرف کنندگان توجه ویژه ای را به خود جلب کرده و این موضوع به خاطر استفاده بسیار گسترده بارهای حساس و تجهیزات الکترونیکی است که ممکن است تحت اختلالاتی نظیر فلیکر ولتاژ، هارمونیک، کمبود و بیشبود ولتاژ و قطعی های موقت قرار بگیرند. این اختلالات موجب عملکرد نامناسب بارهای حساس، گرمای بیش از حد تجهیزات، خرابی موتورهای الکتریکی، اندازه گیری های نادرست و عملک...
در این پایان نامه طراحی و شبیه سازی یک مبدل z-source ماتریسی سه فاز انجام شده است.
Digital technologies are profoundly transforming the production and consumption of culture and entertainment products. The emerging digital re-mix culture is an open source approach where content products in the arts and entertainment industries are increasingly rearranged, manipulated , and extended in the process of creating new works. This article offers a unified description of the tools an...
mycoplasma and ureaplasma species are the most serious contaminants of cell cultures and this remains one of the major problem encountered in biological research using cell cultures. the aim of this study was to investigate the rate of mycoplasma and a total of 100 different cell culture specimens including, r228, hela, vero, mdck, l20, rd and hep2 were collected. then the specimens were invest...
As an important focus of modern language education, intercultural language learning reflects greater awareness of the inseparability of language and culture and the need for providing the learners with materials concerning teaching intercultural communication to enhance learners’ intercultural competence in an increasingly multicultural world. Proper development of a learners’ understanding of ...
investigation on suitable sugar beet protoplast source and culture conditions to obtain regeneration
the most important applications of sugar beet protoplast culture are production of transgenic plants and somatic hybridization. fortunately, to date many obstacles which were involved with sugar beet protoplast culture, have successfully been removed in iran. the production of whole plant via protoplast culture as the most final step towards using this technique is the base of this investigatio...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید