منابع مشابه
بررسی حذف رنگ acid brill scarlet 3r (acid red 18) از محیط های آبی با استفاده از جاذب تفاله چای
در این تحقیق پودر تفاله چای برای حذف رنگزای acid brill scarlet 3r (acid red 18) مورد بررسی قرار گرفته است. خصوصیات سطح تفاله چای با استفاده از semبررسی شد. اثر متغیرهای فرایند همچون مقدار جاذب، غلظت اولیه رنگ، ph، زمان و دما مطالعه شد. داده ها برای تطابق با مدل های ایزوترم لانگمویر، فروندلیچ، تمکین ودابینین - رادوشکوویچ ارزیابی شد. نتایج نشان داد که داده ها برای جذب سطحی acid red 18 برروی تفاله...
The Conversion Kinetics of Tincal to Boric Acid in Nitric Acid Solutions
Pure borax and various boron compounds are produced from the solutions in which tincal is dissolved with various reagents. Economically important boron compounds such as boric acid, borax, boric oxide, and refined hydrated sodium borates and perborates are produced from boron-containing ores. The production of boric acid by using nitric acid from tincal is more advantageous because it evalu...
متن کاملAcetic Acid an Antidote to Carbolic Acid
Silt,?I have the honour to ask you to publish tho followingnote on the uso of acetic acid as an antidote to carbolic acid. Once when I was cleaning a wound I had to dip my hand over and over again into carbolic lotion (1 in 40), and L soon found a painful sensation in my arm from fingers to shoulder joint. I then found that I had a scratch on my finger. [ applied some acetic acid on a piece of ...
متن کاملConversion of oleic acid to linoleic acid.
Reports from this laboratory have described the formation of palmitoleic and oleic acids from their saturated counterparts by enzyme systems of yeast (2, 3). For introducing a double bond into the 9,lO position of the aliphatic chain, the desaturating enzymes, acting on the coenzyme A derivatives of the fatty acids, require reduced triphosphopyridine nucleotide, and molecular oxygen as hydrogen...
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ژورنال
عنوان ژورنال: Science
سال: 2013
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.339.6116.120-a