نتایج جستجو برای: treatment technology
تعداد نتایج: 1834651 فیلتر نتایج به سال:
Water treatment technology development supports a steady, safe water supply. This study examines trends in water treatment technology innovations, using 227,365 patent granted data published from 1993 to 2016 as an indicator of changing research and development (R&D) priorities. To clarify changes in R&D priorities, we used a decomposition analysis framework that classified water treatment tech...
Solvent extraction, an innovative adaptation of existing crude oil refining technology, is being
Abstract Water treatment technologies have evolved over the past few centuries to protect public health from pathogens and chemicals. As more than a billion people on this earth have no access to potable water that is free of pathogens, technologies that are cost effective and suitable for developing countries must be considered. Sustainable operation of these treatment processes taking into co...
تاثیر آموزش تفکر انتقادی به شیوه مباحثه بر روی مهارت درک متن یادگیرندگان انگلیسی به عنوان زبان خارجی
the purpose of the present study was to investigate the effect of instruction through debate on male and female efl learners’ reading comprehension, to examine the differences between the performance of male and female participants on the five dimensions of cctst including analysis, evaluation, inference, deductive reasoning, and inductive reasoning, and to examine the differences between male ...
Information technology and its technologies that now- adays came to the life of the individuals and population types, can have special effectiveness in the life of the hu- man-being. We study its impact on the life security, in- struction and the training of the people, personal social relations, culture and community, health and treatment, business, sport, moral aspects and the addiction to th...
Information technology and its technologies that now- adays came to the life of the individuals and population types, can have special effectiveness in the life of the hu- man-being. We study its impact on the life security, in- struction and the training of the people, personal social relations, culture and community, health and treatment, business, sport, moral aspects and the addiction to th...
Background and Aim: Microdermabrasion is a minimally invasive technology that is widely used in the field of cosmetic medicine. The mechanism of action of microdermabrasion is mechanical peeling of the skin using metal crystals. This review was conducted to evaluate the safety and efficacy of microdermabrasion in the treatment of scar, acne, striae and its other indications. Methods: A compr...
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