Research Paper (postgraduate) from the year 2022 in the subject Environmental Sciences, grade: A, , language: English, abstract: The present study delves into the origins and consequences of water pollution, the interplay between water pollution and water scarcity, and the measures for managing and averting water pollution. The availability of water resources is of paramount importance for the sustenance of human life and for a multitude of applications, including but not limited to agriculture, industry, and energy generation. The rise in demand and insufficient management practises have resulted in water scarcity and pollution, leading to environmental degradation and conflicts. The significance of environmental education and individual actions in safeguarding water resources is underscored. Furthermore, it has been emphasised that human interventions and methodologies, such as appropriate management of waste, conservation of water, and periodic examination for pollutants, are crucial for the maintenance of water quality and guaranteeing the accessibility of uncontaminated water for forthcoming cohorts.
Research Paper (postgraduate) from the year 2022 in the subject Physics - Applied physics, grade: 10.0, , language: English, abstract: Nanoscience is the study of things that happen at the nanoscale. This means that different structures, devices, and systems must have one dimension that is 100 nanometers or smaller. There are many natural structures with a size of one or more nanometers. Nanotechnology could have a big effect on society and help people in many ways. Using nanomaterials could lead to the discovery of new ways to reduce pollution. On the other hand, these compounds could pose risks to human health that we don't know about yet. As long as the nanoparticles are attached to the carrier, there is no reason to think that they pose a greater risk to human health or the environment than materials that are bigger. Nanotechnology is different from other fields of technology because it can control things on a scale that is nanoscale. Nanotechnology has the potential to have a huge effect on society. Nanotechnology creates new materials that can do things at the nanoscale that no other materials can. The industries most open to nanotechnology are those that deal with information and communications, such as electronics and optoelectronics. People should be concerned about what happens to free nanoparticles that are made by nanotechnology and then released into the environment. Because of their size, shape, or make-up, these nanoparticles could be harmful to people. This is because they have properties that have never been seen before. If there is a chance that a completely new danger will be found, it is very important to look into the nature of the risk in great detail.
Research Paper (postgraduate) from the year 2022 in the subject Engineering - Civil Engineering, grade: A, , language: English, abstract: Since it is crucial to comprehend the variation if uniform raw resources are rare or scarce, in this paper, we will focus on this issue. Raw materials' chemical characteristics have an impact on cement manufacturing. Use other, lower-MgO-content, sources of CaO. Marble, chalk, marl, shell deposits, blast furnace slag, and alkali waste are some of the various materials that can be used. Limestone ash can be processed into silica, alumina, and iron. Iron oxide, silica sand, and other mineral wastes can be used to improve the raw materials' chemistry, however the composition of cement around the world varies. In order to make concrete, Portland cement is typically used. Concrete consists of water, sand, rock, and Portland cement. Calcium, silicon, aluminium, iron, and other components are combined in a chemical reaction to create cement. Materials including shells, chalk, marl, shale, clay, slate, blast furnace slag, silica sand, and iron ore can all be used in the production of cement. Raw materials including slag, ore, and sand are all used. Cement powder is made by pulverising heated components into a fine powder. Limestone and other raw materials for cement manufacture often surround production sites. Cement facilities are typically located near deposits of essential ingredients like limestone, clay, mudstone, and shale. Sedimentary rocks vary greatly in chemistry, thickness, and cement development. Calcium, silica, alumina, and iron are essential for many processes. It's helpful to design and combine stocks with the chemistry of deposits in mind.
Research Paper (postgraduate) from the year 2022 in the subject Environmental Sciences, grade: A, , language: English, abstract: This paper is primarily focused on the creation of a wide range of novel anti-pollution and environmental remediation techniques along with introducing the issue of water pollution. One issue that contributes to the poisoning of water sources is the simplicity with which toxic substances from cities, towns, and factories may dissolve and combine with water. Injurious substances, most frequently chemicals or microbes, can pollute a stream, river, lake, ocean, aquifer, or other body of water. As a result, both humans and the ecosystem are harmed by the declining quality of the water. It is presently illegal for industrial and agricultural enterprises to dump pollutants into bodies of water like lakes, streams, and rivers due to the rules in place in many countries. Treatment facilities ensure that the water we drink is free of any dangerous toxins in the interim.
Research Paper (postgraduate) from the year 2022 in the subject Engineering - Civil Engineering, grade: A, , language: English, abstract: Since it is crucial to comprehend the variation if uniform raw resources are rare or scarce, in this paper, we will focus on this issue. Raw materials' chemical characteristics have an impact on cement manufacturing. Use other, lower-MgO-content, sources of CaO. Marble, chalk, marl, shell deposits, blast furnace slag, and alkali waste are some of the various materials that can be used. Limestone ash can be processed into silica, alumina, and iron. Iron oxide, silica sand, and other mineral wastes can be used to improve the raw materials' chemistry, however the composition of cement around the world varies. In order to make concrete, Portland cement is typically used. Concrete consists of water, sand, rock, and Portland cement. Calcium, silicon, aluminium, iron, and other components are combined in a chemical reaction to create cement. Materials including shells, chalk, marl, shale, clay, slate, blast furnace slag, silica sand, and iron ore can all be used in the production of cement. Raw materials including slag, ore, and sand are all used. Cement powder is made by pulverising heated components into a fine powder. Limestone and other raw materials for cement manufacture often surround production sites. Cement facilities are typically located near deposits of essential ingredients like limestone, clay, mudstone, and shale. Sedimentary rocks vary greatly in chemistry, thickness, and cement development. Calcium, silica, alumina, and iron are essential for many processes. It's helpful to design and combine stocks with the chemistry of deposits in mind.
Renewable fuels, in the present times, have become important to curb emission of greenhouse gases, which are causing damage to the environment and leading to climatic changes. Ideally, their utilization can be a zero carbon operation. Planting suitable trees on all waste lands and agro forestry on a large scale can fulfil the needs of timber, fuel, fruits, etc. All kinds of lignocellulosic biomass can be converted by several methods to useful liquid fuels like alcohols, biodiesel, methane, renewable diesel and renewable gasoline. Hydrogen can be used as a renewable fuel because of its desirable characteristics and properties for its use as a green fuel.
This book provides a fully comprehensive, rigorous and refreshing treatment of ‘Air Pollution and Control’ covering present day technology and developments. It covers various new topics like bioaerosols or aeroallergens and hazardous air pollutants including diesel exhaust and dioxins. The book is intended to meet the requirements of (a) Undergraduate and postgraduate students of particularly Environmental and Mechanical Engineering and also other branches of Engineering, (b) Technologists, designers, operation and maintenance engineers of industries, electrical power plants, heat and power utilities, (c) Aspirants for competitive examinations of IAS, IES, IFS, PCS, and aspirants for various state and private technical services, etc. and (d)General readers interested in the field for better understanding and knowledge. The book is divided into 20 chapters and presents enormous information covering all aspects of Air Pollution in various sectors relevant to Indian conditions. Each of the following chapters is followed by questions at the end based upon the text.
The aim of this book is to provide insight on the vibration problem in structurally flexible mechanisms, particularly robotic manipulators. The book covers different aspects of flexible structures. It partially includes the fundamental formulations for modelling of a flexible structure actuated with piezoelectric actuators. Mathematical modelling, when possible, as well as experimental techniques for obtaining models of flexible structures are discussed. Additionally, different control techniques adapted for flexible robotic manipulators equipped with piezoelectric actuators and sensors are covered in the book. Depending on the system, linear and non-linear control techniques for stabilising residual vibrations in the system are discussed.
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