Life cycle of mobile devices

Article is devoted features of life cycle of mobile devices. The article highlighted a number of disadvantages associated with managing the life cycle of the product. Disadvantages include the orientation is not on the quality of mobile devices and their design, the obsolescence of digital products. The article drew attention to the need for process improvement life cycle management of mobile devices. For since this type of product is now the most popular among the population, consumers are interested, first of all, quality, and only then, look good

Некоторые особенности определения показателя токсичности при стабилизированном горении жидкости в помещении

Analysis of thermal gas dynamic conditions of conducting experiments to determine toxicity of combustion products in case of fire in a room was carried out. Mathematic models to calculate options of heat and mass transfer in characteristic small-scale and large-scale rooms was considered.В статье приведены результаты анализа термогазодинамических условий проведения экспериментов по определению токсичности продуктов горения при пожаре в помещении. Рассмотрены математические модели расчета параметров тепломассообмена в характерных мелкомасштабных и крупномасштабных помещениях