Herein disclosed is a lubricant oil or lubricant for the compressor of a refrigeration system which operates with a refrigerant comprising at least one component of the hydrocarbon (HC) group of refrigerants, (a) whereby the lubricant consists of at least 85 weight% of alkylbenzene having an ...
The lubricating oil pour-point depressant composition includes the following components: by weight, a) 25-50 parts of polymethacrylate; b) 25-50 parts of poly fumaric acid ester; c) 25 -50 of parts of alpha olefin, the technical scheme solves the problems well, and can be used in the ...
an engine block with means for pumping the intake circuit of the fuel mixture gas, and the burnt gas exhaust circuit, an oil pan (44), the lubricating oil contained in the oil pan, and (48) ( to a method of removing the fuel contained in the lubricating oil of an internal combustion...
Liquid phosphoramidates of olefine polymers are used as mineral or synthetic lubricating oil additives. The phosphoramidates are prepared by reacting an olefine with a phosphorus halide the molar ratio of olefine to phosphorus halide being 100:0.1-25, in the presence of at least 1.5 moles ...
surrounded by cans of oil and rusting bicycles. I am shivering slightly in my dress pants, turtleneck sweater, and headband, though perhaps more from the jitters that embody my naiveté than from cold. With some assistance from my cousin, I hesitantly smoke out of a purple Graffix bong. We...
because they lack chemical inertness and because lubrication requirements have become more demanding, they have been largely superseded by petroleum products and bysyntheticmaterials. Some organic substances such as lardoilandsperm oilare still in use as additives because of their special lubricating proper...
Petroleum is known as “Black Gold.” This name itself is an indicator of its human meaning. The “mother of all commodities” is known to becrude oilas it produces various products such as pharmaceuticals, chemicals, fuel, synthetic fabrics, etc. ...
impure barium sulfide phosphorescence after exposure to light. its compounds are used by oil and gas industries to make drilling mud. drilling mud simplifies drilling through rocks by lubricating the drill. barium compounds are also used to make paint, bricks, tiles, glass, and rubber. barium ...
2-cis-4-trans-6-trans-8-trans- nonatetraenoic acid Molecular Formula: C20H28O2 Molecular Weight: 300.44 Structural Formula:Uses for Epuris Indications And Clinical Use EPURIS® (isotretinoin) is indicated for the treatment of: Severe Nodular and/or Inflammatory Acne Acne Conglobata Recalcitrant...
in which R2 is as defined in the above-mentioned formula (E), and n and p are each an integer of 1 to 12. 3. A lubricating oil for refrigerator as claimed in claim 2 wherein said lubricating oil contains an ozone layer-nondestructive refrigerant. 4. A lubricating oil containing: a...