Sulfur Compounds in Lubricating Oils.

نویسندگان
چکیده

برای دانلود باید عضویت طلایی داشته باشید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Lubricating gears with synthetic OiLs

wind gearbOx technOLOgy is developing at a fast pace, not least due to operators demanding ever more power and efficiency. Experience has shown that the lubricant used is a crucial factor in meeting the wish for ever-increasing performance. Besides strictly technical requirements, aspects of economy and ecology are receiving more and more attention in lubricant selection. The technical requirem...

متن کامل

The Re-refining of Used Lubricating Oils

Re-refined lubricants have been produced in New Zealand for over 50 years. However, their acceptance as a high quality lubricant has been a gradual process, largely because of the scepticism of the public that the product can be re-refined to its original condition. In New Zealand Dominion Oil rerefines about 7 million litres per year, while an older acid clay method is used at Turua near Thame...

متن کامل

Eco-Friendly Multipurpose Lubricating Greases from Vegetable Residual Oils

Environmentally friendly multipurpose grease formulation has been synthesized by using Jatropha vegetable residual oil with lithium soap and multifunctional additive. The thus obtained formulation was evaluated for its tribological performance on a four-ball tribo-tester. The anti-friction and anti-wear performance characteristics were evaluated using standard test methods. The biodegradability...

متن کامل

Sulfur Compounds: Gas Chromatography

(tetrahydrofuran) at 703C for 16 h. The ester residue is then converted to a 6,6-dideuteriohexose residue, the O-methyl ethers of which are easily distinguishable by GC-MS of the derived alditol acetates. An alternative to acid hydrolysis that is applicable to most polysaccharides and glycoconjugates, including those containing acid-labile residues or glycosidic linkages resistant to hydrolysis...

متن کامل

Urinary sulfur compounds in Down syndrome.

internal standard (leucinol) was added. Separation was performed on a C18 Zorbax (Agilent Technologies) column [15 3 0.46 cm (i.d.)] using the following mobile phase: 450 mL/L acetonitrile in sodium acetate buffer (0.5 g/L) adjusted to a final pH of 6.1 with glacial acetic acid. The flow rate was 1.2 mL/min. The wavelengths for excitation and emission were 338 and 445 nm, respectively. The pati...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Journal of Japan Oil Chemists' Society

سال: 1957

ISSN: 1884-2003

DOI: 10.5650/jos1956.6.273