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- ابتدا بهتر است به طور کلی با این دو دستگاه آشنا شویم. سالها قبل، زیست شناسها و شیمیدانها به منظور نگهداری از مواد گوناگون و کاهش دمای آنها به جهت استفادههای گوناگون، روشهای خاصی داشتند. استفاده از نیتروژن و بعضا کربن دی اکسید جامد، استفاده از یخ معمولی و امثال آن، روشهای مختلف سرماسازی در گذشته بود. اما امروزه، یخچال (Refrigerator) و فریزر ...
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10 نوع از تجهیزات آزمایشگاهی ضروری در هر آزمایشگاه
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