نتایج جستجو برای: oil physics
تعداد نتایج: 335255 فیلتر نتایج به سال:
Abstract The aim of this study was to investigate the relationship between cognitive strategies and academic achievement among high school students in the fields of humanities, science and math – physics from Shahrekord city in the school year 89-90. The research was correlational and the statistical population included all high school students from Shahrekord city, among them 222 student...
Oil biodegradation by native bacteria is one of the most important natural processes that can attenuate the environmental impacts of marine oil spills. Existing models for oil biodegradation kinetics are mostly for dissolved oil. This work developed a new mathematical model for the biodegradation of oil droplets and applied the model to estimate the time scale for oil biodegradation under condi...
The water relations play a fundamental role in seed comprehension of biology. In order to describe the process of drying and the effect on water activity, which controls biological change in storage, a sound knowledge of the relationship between equilibrium moisture content (EMC) and water activity/equilibrium relative humidity (ERH) is essential. The relationship between the total moisture con...
It is important to monitor the moisture content of transformer oil in a transformer. One parameter of particular interest is the moisture solubility of transformer oil. It has been reported that transformer oils under different conditions have different solubility. Measurements of solubility for four different types of conditioned oil are presented in this paper: fresh Shell Diala AX oil, lab-a...
Different doses of 12 plant extracts and 6 secondary plant metabolites were incubated for 24 h in diluted ruminal fluid with a 50:50 forage:concentrate diet. Treatments were: control (no additive), plant extracts (anise oil, cade oil, capsicum oil, cinnamon oil, clove bud oil, dill oil, fenugreek, garlic oil, ginger oil, oregano oil, tea tree oil, and yucca), and secondary plant metabolites (an...
In the present study effort have been made to find the anti-bacteria effect of six medicinal plant essential oil namely, Ocimum bascilicum (Basil oil), mentha arvensis (Cormint oil),Zingiber officinale(ginger oil),citrus limon(lemon oil), thymus mastichina (Marjoram oil) and mentha spicata (Spearmint oil) were assessed for anti bacterial activity against therefore pathogenic bacteria such as B....
INTRODUCTION Many essential oils have been advocated for use in complementary medicine for bacterial and fungal infections. However, few of the many claims of therapeutic efficacy have been validated adequately by either in vitro testing or in vivo clinical trials. OBJECTIVE To study the antibacterial activity of nine commercially available essential oils against Streptococcus mutans in vitro...
OBJECTIVES This study was aimed to find out the minimum inhibitory concentration (MIC) of five essential oils against oral pathogens and to find out the minimum bactericidal concentration (MBC) and minimum fungicidal concentration (MFC) of five essential oils against oral pathogens. MATERIALS AND METHODS The antimicrobial activities by detecting MIC and MBC/MFC of five essential oils such as ...
The First National Conference on Advances in Superconductivity was the first of a series of conferences in the field of superconductivity planned to be held biannually in one of the universities or scientific research centers in the country. The goal of these meetings is to bring together groups of researchers in the field of experimental and theoretical superconductivity, to discuss their la...
In this paper, we report a theoretical study of transient squeezing flow through thin porous gap driven by an oscillating boundary. The process is governed the viscous, inertial, and Darcy effects. It shows that when depth increases, alternating dominance viscous inertial effects would increase oscillation velocity profiles. existence media effectively stabilizes fluid field. presented herein, ...
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