نتایج جستجو برای: solution concentration

تعداد نتایج: 814854  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت معلم تهران 1381

‏‎the purpose of the present study was to investigate the latent pattern underlying reading ability . some 272 male and female participants. english majors at the ba level , participated in the study. two valid tests were used in this study, the reading test developed exclusively for the purpose of this project and academic reading section of ielts. to investigate the possible latent underlying...

Journal: :iranian journal of health sciences 0
ahmad reza yari research center for environmental pollutants and department of environmental health engineering, school of public health qom university of medical sciences, qom, iran shahram nazari department of environmental health engineering, school of public health, qom university of medical sciences, qom, iran ayoob rastegar department of environmental health engineering, school of public health, sabzevar university of medical sciences, sabzevar, iran soudabeh alizadeh-matboo department of environmental health engineering, school of public health, ardabil university of medical sciences, ardabil, iran gharib majidi department of environmental health engineering, school of public health, qom university of medical sciences, qom, iran mehdi tanhaye-reshvanloo department of environmental health engineering, school of public health, qom university of medical sciences, qom, iran

background and purpose:organic dyes with a complex structure are often toxic, carcinogenic, mutagenic, non-biodegradation and stable in the environment and if released to the environment without treatment can endanger the environment and human health. the aim was to evaluate the performance nanoscalezero-valent iron (nzvi) in the removal of dye acid red 18 (ar18) from aqueous solutions. materia...

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