نتایج جستجو برای: physical chemical parameters

تعداد نتایج: 1512225  

Journal: :Journal of environmental biology 2008
P Raja A Muhindhar Amarnath R Elangovan M Palanivel

The physical, chemical and total heterotrophic bacteriological parameters (THBP) bacterial population were measured at three sampling stations namely Upper Anicut (S1), Chinthamani road bridge (S2) and Grand Anicut (S3) for a period of three month January to March 2007 in the river Kaveri, Tiruchirappalli. The pH ranged from 6.7 to 7.8, the level of solids and total hardness was high in station...

2013
Piero Baraldi Chao Lyu Liqiang Zhang Weilin Luo Kehua Ma Lixin Wang

In this work, a new method for evaluating performance of Lithium-ion batteries by finding the association between internal physical/chemical parameters and batteries’ degradation is developed. The research is divided into three stages: preparation, off-line analysis and online application. Achievements have been made on simulation model computation and simplification, parameter identification a...

Journal: :Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association 2009
Ricardo Malheiro Ivo Oliveira Miguel Vilas-Boas Soraia Falcão Albino Bento José Alberto Pereira

This study reflects the effect of different microwave heating times (1, 3, 5, 10 and 15 min) on physical and chemical characteristics of three Portuguese olive oils from three protected designation of origin (PDO), "Azeite de Trás-os-Montes PDO", "Azeites da Beira Interior PDO", and "Azeite de Moura PDO". The parameters evaluated were free acidity, peroxide value, specific extinction coefficien...

2013
Gary Mavko

This project aims to demonstrate techniques for quantitatively predicting the combined seismic signatures of CO2 saturation, chemical changes to the rock frame, and pore pressure. This will be accomplished (i) by providing a better understanding the reaction kinetics of CO2-bearing reactive fluids with rock-forming minerals, and (ii) by quantifying how the resulting long-term, CO2-injection-ind...

J. Prakash, P. Durga Prasad R. V. M. S. S. Kiran Kumar S. V. K. Varma

The main purpose of this work is to investigate the porous medium and diffusion-thermo effects on unsteady combined convection magneto hydrodynamics boundary layer flow of viscous electrically conducting fluid over a vertical permeable surface embedded in a high porous medium, in the presence of first order chemical reaction and thermal radiation. The slip boundary condition is applied at the p...

This study was conducted to evaluate the impact of municipal waste compost and manure on soil chemical and physical properties quality and crop production in Sari city (north of Iran). In this study, the effect of compost and manure (cow and sheep) on the quality of soil organic material with experimental measurements was investigated. An experiment was conducted in a completely randomized desi...

Journal: :Laboratory animal care 1968
R F Berendt

SSUMMARY * A comparison of the respiration of Macaca mulatto restrained with strait jackets or injected intramuscularly with I mg 'kg of phencyclidine hydrochloride revealed that the minute volume of the strait-jacketed animals was about 3 times that of relatively unrestrained animals when measurements were made 10, 20, and 30 minutes after treatment. The values obtained from the drug-treated a...

2014
Juliana Maria de Mello Andrade Erna Vogt de Jong Amélia Teresinha Henriques

In this work we evaluated the variability in fiber content and physical and chemical parameters of byproducts from orange juice extraction. Five different treatments and two drying methods were evaluated. The results indicate that drying by lyophilization was better than that drying in an oven. The pH ranged from approximately 3.47 to 3.96. The variation in moisture values was 9.22% ± 0.02 to 1...

Journal: :Revista de saude publica 2004
Mayla Matsuzaki José Luiz Negrão Mucci Aristides Almeida Rocha

OBJECTIVE The assessment of water quality and phytoplankton community in recreational environments allows to setting management programs aiming at preventing potential harm to human health. The purpose of the present study was to describe phytoplankton seasonal changes in a freshwater system and their relation to water quality. METHODS The recreational fishing lake is located in the southern ...

Journal: :journal of physical & theoretical chemistry 2011
m. monajjemi m. sheikhi

in this research, the magnetite nanoparticles (fe304) were prepared by coprecipitation of fe- andginger is a well known spice and flavoring agent which has also been used in traditional medicine inmany countries. ginger contains essential oils including gingerol and zingiberene. it also containspungent principles such as zingerone, and shogaol. in the paper six theoretical methods were used toc...

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