WHAT IS PHARMACOGNOSY? Pharmacognosy is the study of drugs of natural origin. The term comes from two Greek words: "pharmakon" meaning drug or medicine‚ and "gnosis" meaning knowledge. The American Society of Pharmacognosy defines pharmacognosy as "the study of the physical‚ chemical‚ biochemical and biological properties of drugs‚ drug substances or potential drugs or drug substances of natural origin as well as the search for new drugs from natural sources". Plant preparations are said
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According to the World Bank Report (as cited in Kaneesamkandi‚ 2014) Municipal Solid Waste (MSW) treatment through incineration converts the organic substances in the waste to produce useful heat along with flue gas and ash. The advantage of incineration is that the process plant can be located near the waste generation area. The volume reduction that can be achieved by incineration is 85 to 90%. While the combustion process can generate toxic air emissions‚ these can be controlled by installing
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maintenance and availability of qualified staffs and too many incinerators which are installed may inevitably leads to burning of all kinds of wastes‚ results in air pollution. The writer mentions the developed countries are turning away from incineration. But the developing countries are
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landfill landfill site (also known as tip‚ dump‚ rubbish dump or dumping ground and historically as amidden) is a site for the disposal of waste materials by burial and is the oldest form of waste treatment. Historically‚ landfills have been the most common methods of organized waste disposal and remain so in many places around the world. Some landfills are also used for waste management purposes‚ such as the temporary storage‚ consolidation and transfer‚ or processing of waste material (sorting
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Waste Management Introduction In 1987 the World Commission on Environment and Development formulated the concept of „sustainable development‟ (United Nation 1987); this notion‚ recalling „needs‟ and „limitations‟ for present and future generations‚ implied in all decision-making a combination of economic‚ social and environmental concerns (Sales et al. 2006). In 1992 the Rio Conference confirming this idea (United Nation 1992) heralded the concept of social compatibility as a third dimension
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Social Responsibilities of Waste Management in Nursing San Francisco State University Abstract This informative paper serves to establish that; dioxins from the incineration of medical waste are transmitted to plants and soil as a byproduct‚ plants from contaminated soil are eaten by animals; these animals bioaccumulate dioxins in their fatty tissues‚ and people consume this concentrated form of fatty tissue by eating the animals thereby demonstrating a pathway to significant
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Industrial waste is a type of waste produced by industrial activity‚ such as that of factories‚ mills and mines. It has existed since the outset of the industrial revolution.[1] Much industrial waste is neither hazardous nor toxic‚ such as waste fiber produced by agriculture and logging.[2] Toxic waste‚ chemical waste‚ Industrial solid waste and Municipal solid waste are designations of industrial waste. Sewage treatment can be used to clean water tainted with industrial waste. Penalties and fees
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Chapter I A. Introduction Solid waste can be classified into different types‚ depending on their source; household waste is generally classified as municipal waste; industrial waste as hazardous waste‚ and biomedical waste or hospital waste as infectious waste. The term “solid waste ’ ’ means any garbage‚ refuse‚ or sludge from a waste treatment plant‚ water supply treatment plant‚ or air pollution control facility and other discarded material‚ including solid‚ liquid‚ semisolid‚ or contained
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College of Engineering‚ Architecture & Technology Environmental Science Engineering Department Environmental Engineering (CEET313a) Solid Waste Management Members: Emilene Santiago Jude Bryant Amante Terrence Gabriel Vida Richard Febra Riki Zita III Aira Samson Christian Bagay Instructor: Edna C. Ambion What is Solid Waste Management? By: Terrence Vida Solid waste management is a polite term for garbage management. As long as humans have been living in settled communities
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SOLID WASTE MANAGEMENT OF HOSPITALS IN KATHMANDU By: Ramesh Kaphle I. INTRODUCTION ENVIRONMENTAL problems are at top priority since last few decades as these are directly vulnerable to human beings‚ animals‚ crops and surrounding environment as well. These issues are so vital to discuss and are not ignorable at any cost. Hospitals are the places of health care and if waste will be not disposed off properly then most of the stakeholders may get infected especially employees working in the
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