نتایج جستجو برای: nanochloropsis oculata
تعداد نتایج: 317 فیلتر نتایج به سال:
All three species of angelsharks that inhabit the Mediterranean Sea, Squatina aculeata Cuvier, 1829; oculata Bonaparte, 1840; and squatina (Linnaeus, 1758), are classified as Critically Endangered on IUCN Red List Threatened Species, since their populations have suffered severe decline range reduction, mainly due to fishing pressure. The presently reported study aims further update records S. i...
تأثیر نوع محیط کشت برروی رشد و میزان کلروفیل ریزجلبک Nannochloropsis oculata در فتوبیوراکتور لوله ای
در مطالعه ی حاضر، رشد و میزان کلروفیل a ریزجلبک Nannochlorpsis oculata ، با استفاده از دو نوع محیط کشت گیلارد و والن در دو دوره ی 15 روزه بررسی گردید. تراکم سلولی، موجودی کلروفیل a و وزن خشک ریزجلبک در هر دو محیط، روزانه با 3 تکرار اندازه گیری شد. تراکم سلولی و موجودی کلروفیل a در ریزجلبک رشدیافته در محیط والن به ترتیب در روز 3 تا 10 و 2 تا 15 (به جز روز 14) بیشتر از محیط گیلارد بود (P < 0.05) ...
Abstract Historically, two angel shark species, common Squatina squatina and smoothback oculata , were in the upper continental shelf of eastern Adriatic Sea. Although both species are considered critically endangered rest world, there almost no data on current status populations, threat assessment species-specific in-situ conservation. Common is still present highly fragmented areas with extre...
Five microalgae strains, namely Isochrysis galbana, Microchloropsis gaditana, Scenedesmus obliquus, Nannochloropsis oculata and Tetraselmis suecica, were selected as potential candidates for polyunsaturated fatty acids’ production, evaluating biomass productivity their capacity to accumulate high lipid contents under different trophic modes. Microalgae strains cultivated in the presence of 1% g...
Rotifers are widely used in hatcheries to feed small-sized aquatic larvae although one of their disadvantages is the lack zinc and selenium 5- 30-fold lower than copepods, respectively. To improve rotifers quality, different concentrations (2, 4, 5 10 mg L−1 each mineral) were added medium microalgae Isochrysis aff. galbana Nannochloropsis oculata for 4 days, then harvested concentrated rotifer...
Conversion of algal biomass into renewable fuel: A mini review of chemical and biochemical processes
Microalgae are a vital resource for the coming years to address concern of decrease in oil reserves and negative impacts fossil fuels on environment. Their utilization is crucial wide range industrial applications. Depending strain, microalgae contain variety chemical components can be treated biochemically or thermochemically. This review thus focuses biochemical mechanisms that used convert a...
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