منابع مشابه
Plastics and Semantics
with too many details. Indeed, it is the marvelous strateJeffery S. Cox gies that pathogens utilize in their interactions with the Department of Microbiology and Immunology host that makes this topic exciting. One inevitable conG.W. Hooper Foundation sequence of this organization, of course, is that searchUniversity of California, San Francisco ing for information on a particular pathogen of in...
متن کاملCavitation instabilities in plastics and rubber-modified plastics
Spherical void expansion in plastics and rubber-modified plastics is investigated under radial traction conditions. The plastics are modeled as elastic-plastic pressure-sensitive materials and the rubbers are modeled as nonlinearly elastic materials. First, the growth of a spherical void in an infinite plastic matrix is investigated under remote radial traction conditions. The results show that...
متن کاملPlastics and health risks.
By 2010, the worldwide annual production of plastics will surpass 300 million tons. Plastics are indispensable materials in modern society, and many products manufactured from plastics are a boon to public health (e.g., disposable syringes, intravenous bags). However, plastics also pose health risks. Of principal concern are endocrine-disrupting properties, as triggered for example by bisphenol...
متن کاملPlastics recycling: challenges and opportunities.
Plastics are inexpensive, lightweight and durable materials, which can readily be moulded into a variety of products that find use in a wide range of applications. As a consequence, the production of plastics has increased markedly over the last 60 years. However, current levels of their usage and disposal generate several environmental problems. Around 4 per cent of world oil and gas productio...
متن کاملBiodegradability of Plastics
Plastic is a broad name given to different polymers with high molecular weight, which can be degraded by various processes. However, considering their abundance in the environment and their specificity in attacking plastics, biodegradation of plastics by microorganisms and enzymes seems to be the most effective process. When plastics are used as substrates for microorganisms, evaluation of thei...
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ژورنال
عنوان ژورنال: Cell
سال: 2002
ISSN: 0092-8674
DOI: 10.1016/s0092-8674(02)01121-2