نتایج جستجو برای: scenedesmus quadricauda
تعداد نتایج: 1069 فیلتر نتایج به سال:
مقدمه: ورود سموم کشاورزی به اکوسیستم‌های آبی که ممکن است به‌دلیل مصرف بی‌رویۀ آنها باشد، می‌تواند باعث آثار مخربی بر جمعیت گونه‌های آبزی شود. جلبک‌ها به طیف وسیعی از آلودگی از قبیل علف‌کش‌ها، فلزات وآفت‌کش‌های ارگانوکلر و مواد آلی صنعتی حساسیت نشان می‌دهند؛ بنابراین استفاده از آنها برای بررسی این آلودگی‌ها مرسوم است. این پژوهش با هدف بررسی آثار سموم کشاورزی در دو گروه حشره‌کش (مالاتیون و دیازین...
Microalgae reckon one of the most promising organisms due to their numerous applications in biotechnology, such as, biomass utilization extract various primary and secondary metabolites. These compounds benefit food pharmaceutical industries energy field, biofuel hydrogen gas production. Therefore, it is necessary find sustainable ways actively preserve isolates productive strains with purity f...
The selenium-enriched Scenedesmus biomass of patented selenium-resistant strain SeIV was tested in a broiler chicken diet in comparison with sodium selenite supplementation. Feed conversion, mortality and live weight were not significantly influenced by the source of selenium. Supplementation of either form of selenium significantly increased the Se concentration in breast muscle with a more pr...
Various kinds of temperature rules have been proposed for biological use, but reasons for choosing one before another have seldom been given. Arguments for such choices should include both theoretical and mathematical-statistical aspects. In this paper the relationships of algal growth constants, such as ~t (maximum specific growth rate), q0 (minimum nutrient content of the algae), Y (yield coe...
Background: The conventional activated sludge processes are not able to completely treat the nitrogen and phosphorus compounds of meat processing wastewaters. Microalgal biofilm, which has the advantages of easiness and inexpensiveness, can be applied as a post-treatment method. Methods: The optimal levels of micronutrients and N/P ratio were aimed in the cultivation of Scenedesmus quadricauda...
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