نتایج جستجو برای: base oil
تعداد نتایج: 393544 فیلتر نتایج به سال:
Production and characterization of bio lubricating base oil from non-edible castor seed has been studied. Castor was extracted by solvent extraction method. KOH catalyzed transesterification process used to produce bio-lubricating oil. Ethanol as alcohol in the process. Optimum condition for production 40% ethanol, 0.45% at 75oC reaction time 90 min. yield 98%. Important properties produced lik...
This paper describes how we have developed a knowledge base for a heuristic application in a clinical domain. Firstly, the knowledge base has been modelled using CommonKADS. Later, the knowledge base has been represented in the language DAML+OIL. We will illustrate in some depth how objects, classes and relationships of a medical domain (modelled following an object-oriented approach) can be sp...
xiii CHAPTER 1: INTRODUCTION 1 CHAPTER 2: OVERVIEW OF TOXINS IN USED LUBE OIL 10 2.1 Lubricant Oil 10 2.1.1 Base Oils from Petroleum 10 2.1.2 Automotive Lube Oil 13 2.1.3 Used Lube Oil 14 2.2 Used Lube Oils and Their Impacts on Human Health and the Environment 16 2.2.
abstract: mineral scaling in oil and gas production equipment is one of the most important problem that occurs while water injection and it has been recognized to be a major operational problem. the incompatibility between injected and formation waters may result in inorganic scale precipitation in the equipment and reservoir and then reduction of oil production rate and water injection rate. ...
this study setout to investigate the effect of wheat residue, tillage, and nitrogen fertilizer management on some agronomic traits of soybean as a split split plot based on randomized complete block design with three replications. the main plots included wheat residue management: collecting and leaving residue and sub plot included tillage (without tillage and conventional tillage), and the sub...
Introduction The possibility of using vegetable oils as fuel has been documented in the beginning of diesel engines. Biodiesel produced from waste oil by trans-esterification process can be used as a substitute for diesel in internal combustion engines [1]. Biodiesel can be produced by the transesterifcation of vegetable oils [2] such as soyabean oil, rapeseed oil, sunflower oil etc. [3]. Trans...
This work studied the development of vegetable based lubricants and the addition of oxides nanoparticles (ZnO and CuO) as additive for extreme pressure (EP), exploring the EP and oil base influence in tribological behavior. The results showed that with the addition of nanoparticles to conventional lubricant, the tribological properties can be significantly improved. A smoother and more compact ...
Used motor oils (UMO) are a remarkable commodity arousing interest of each new generation of researchers. UMO also include used gear oils, but their degree of use is much lower. The primary role of motor oil is to reduce friction and prevent corrosion. It also serves to dissipate heat and hold in suspension by-products of engine wear, combustion and degradation products. Motor oil originates fr...
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