نتایج جستجو برای: viscosity index improver
تعداد نتایج: 429483 فیلتر نتایج به سال:
A systematic study of the effect of composition on the thermo-physical properties of the binary mixtures of 1-methyl-3-pentyl imidazolium hexafluorophosphate [MPI][PF(6)] with poly(ethylene glycol) (PEG) [M(w) = 400] is presented. The excess molar volume, refractive index deviation, viscosity deviation, and surface tension deviation values were calculated from these experimental density, ρ, ref...
Fitness is one of the popular physical activities performed individually most time. While doing an activity, if proper posture not adopted, it can result in major injury that makes difficult to lead a healthy life. By adopting wearable technology and haptic only correct motion could be achieved but also damages due wrong prevented. In this article we introduce simple convenient device sense pos...
The purpose of the study is to formulate and evaluate a new, cheap and effective natural mucoadhesive agent that can be used as an effective alternative for traditional mucoadhesive agent. The study procedure involved extraction of mucoadhesive agent from the Trigonellafoenumgraecum (fenugreek) seeds, solubility testing of the mucilage obtained, phytochemical testing, determination of swelling ...
This paper presents a study on the thermodynamics and transport properties of hot potassium carbonate aqueous system (HPC) using electrolyte non-random two liquid, (ELECNRTL) model. The operation conditions are varied to determine the system liquid phase stability range at the standard and critical conditions. A case study involving 30 wt% K2CO3, H2O standard system at pressure of 1 bar and tem...
J. Kor. Oral Maxillofac. Surg. 2004;30:181-185) 명 훈 110-749 서울시종로구연건동 28번지 서울대학교치과대학구강악안면외과학교실 Hoon Myoung Department of OMFS, College of Dentistry, Seoul National University, Yeon-gun dong 28, chong-ro ku, Seoul, 110-749, Korea Tel : 82-2-760-3059 Fax : 82-2-766-4948 E-mail : [email protected] CHANGE OF BLOOD VISCOSITY AND DEFORMABILITY IN ORAL SQUAMOUS CELL CARCINOMA PATIENTS Pil-Young Yun, H...
A biocompatible microemulsion system comprising of isopropyl myristate (IPM) as oil, tween 80 as a non-ionic surfactant and isobuthanol as co-surfactant was studied experimentally at 298.15 K. The pseudo-ternary phase diagram for the microemulsion system has been delineated at different surfactant to co-surfactant mass ratio of 1:1, 2.4:1 and 4:1. Some physico-chemical properties such as densit...
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