one of the most important factors in study of project’s , is the study of environmental opportunities factors the permanent study of environmental opportunity factors . the study of permanent environmental changing and knowing golden threats’ cooperate with possible threats and at the result in structure forming and future skeleton of organization has a vital effects . the petrochemical industr...

abstract nowadays, industries cannot play a crucial role in national and international competitions. the tourism industry is no exception. tourism industry development as the most important economic sector and income generation is one of the key challenges of economic development in the world. therefore, countries were successful that take advantage of the capabilities of tourism sector using ...

one of the applications of nanotechnology is use of carbon nanotubes for the targeted delivery of drug molecules. to demonstrate the physical and chemical properties of biomolecules and identify new material of drug properties, the interaction of carbon nanotubes (cnts) with biomolecules is a subject of many investigations. cnts is a synthetic compound with extraordinary mechanical, thermal, el...

لاکتولوز (d-b-o-4- گالاکتوپیرانوسیل d- فروکتوز) یک دو قندی سنتزی است که اولین بار در سال 1930 از ایزومریزاسیون لاکتوز در مجاورت هیدروکسید کلسیم بدست آمد. از مهمترین کاربرد های لاکتولوز در صنایع دارویی و در درمان بیماری های مختلف نظیر اختلالات دستگاه عصبی، کبد، روده بزرگ و کلیه است. علاوه بر صنایع دارویی استفاده از لاکتوز در صنایع غذایی بعلت دارا بودن خواص ویژه مانند حلالیت بالا، شیرینی نسبر بال...