Mineral Processing Design and Operations is expected to be of use to the design engineers engaged in the design and operation of mineral processing plants and including those process engineers who are engaged in flow-sheets development.Provides an orthodox statistical approach that helps in the understanding of the designing of unit processes. The subject of mineral processing has been treated on the basis of unit processes that are subsequently developed and integrated to form a complete strategy for mineral beneficiation. Unit processes of crushing, grinding, solid–liquid separation, flotation are therefore described in some detail so that a student at graduate level and operators at plants will find this book useful. Mineral Processing Design and Operations describes the strategy of mathematical modeling as a tool for more effective controlling of operations, looking at both steady state and dynamic state models. * Containing 18 chapters that have several worked out examples to clarify process operations* Filling a gap in the market by providing up-to-date research on mineral processing* Describes alternative approaches to design calculation, using example calculations and problem exercises
and Literature Rev iew Chapter 1 1. INTRODUCTION AND LITERATURE REVIEW The exploration for oil and gas in ever increasing water depths has given an impetus to research efforts on the behaviour of offshore structures under ocean environment. These structures are continuously subjected to environmental loading because of waves, wind and current. A response analysis is required to assess the safety of offshore structure under severe storm conditions as well as for estimation of damage caused by less severe but more frequently occuring sea states. A majority of the reported failures in the life time of offshore structures are in fact fatigue failures. The offshore structures are usually built in the form of welded tubular structures. The joints of these tubular members experience the fatigue damage mainly due to small defects in welding which act as crack initiators, high stress concentrations and the variable loads. The variable loads due to the ocean waves cause cyclic stress variation in the structural members and the accumu lated effect of these stresses results in the fatigue failure.
Mineral Processing Design and Operations: An Introduction, Second Edition, helps further understanding of the various methods commonly used in mineral beneficiation and concentration processes. Application of theory to practice is explained at each stage, helping operators understand associated implications in each unit process. Covers the theory and formulae for unit capacities and power requirements to help the designer develop the necessary equipment and flow-sheets to economically attain maximum yield and grade. This second edition describes theories and practices of design and operation of apparatus and equipment, including an additional chapter on magnetic, electrostatic, and conductivity modes of mineral separation. Basics of process controls for efficient and economic modes of separation are introduced. Outlines the theory and practice in the design of flow sheets and operation of an integrated mineral processing plant Introduces the basic magnetism, electrostatic, conductivity, and dielectrophoresis properties of minerals and related separation techniques Describes automation in mineral processing plants allowing maximum yields and consistent high concentrate grades Outlines problems and offers solutions in the form of various examples
Nature cure covers all methods of treating diseases. It is a distinct system of healing based upon its own philosophy of life, health and illness. It diagnoses and prescribes the use of water, air, diet, light, heat and all other kinds of natural methods and methodologies. Nature cures all kinds of diseases except where surgical intervention becomes essential or the body is damaged beyond repair. When medicines and injections fail to cure a disease, a proper diet, vegetables and fruit juices show miraculous results. Nowadays, the ailments of the people can be cured by the use of raw food, vegetables and fruit juices. Fruit juices are more effective on the kidney. Juice therapy is an efficacious cure for ailments of the liver and the kidney. The treatment given through vegetable and fruit juices is harmless, reliable and without any side effects.
Wastewater Engineering: Issues, Trends, and Solutions explains current treatment scenarios of wastewater in different countries across the globe, the characteristics of wastewater, and rules and regulations associated with the treatment and disposal/reuse of wastewater. It covers the design and theory involving laying of sewerage network and different conventional and advanced treatment technologies employed to treat domestic wastewater. It overviews different types of emerging contaminants and their properties, ecological impacts, detection/quantification, treatment technologies, and circular economy. Features: Gives an overview of current wastewater treatment scenarios across the world Provides insights into emerging contaminants sources, procedure to sample, available methods for analyses, and possible treatments Reviews existing rules and regulations on wastewater engineering and standards for wastewater disposal or reuse Includes how to use wastewater as a resource in the context of circular economy Describes fundamentals of wastewater conveyance and treatment The book is aimed at graduate students and researchers in wastewater treatment, water, and environmental engineering.
This historical play on Chandragupta, who ushered a new Golden Period in the history of India in the modern era (after a sequence of glorious eras including those of Rama in the Treta-Yuga (cosmic era) and Krishna (Dwapar-Yuga), millennia ago, who are now venerated as Avatars (Incarnations of God) by virtue of their exemplary characters and deeds.) It draws from information contained in history books, a play in Hindi by the famed poet and playwright, Jaya Shankar Prasad, the recent television series called Chanakya, and other available sources; and is written in a fashion to facilitate stage-production by youngsters and adults, particularly those of Indian descent in the USA, Europe, and other parts of the world.
The word Babri was literally used to define something abnormal, out of sense or mad. Three instances mentioned in Babar-Nama support this. Babars journal is replete with precise detail with a telling image or idiom as a bud resembling a sheeps heart, fell like water on fire which lingers in the readers mind long after the event or anecdote has receded. Few of the phrases and words in the Babar Nama are now part of everyday language in India and Pakistan as Namak Haram means lack of trustworthiness, hamesha means always, bakhshish means gift, maidan means plain area, julab means laxative and the most important, which is of our use here, is Babri/Baburi /Bavala means related to unhealthy mental state or mad or abandoned or one who is abnormal. Babar writes about his infatuation, after his marriage in March AD 1500, for a boy as, In those days I discovered myself a strange inclination - no, a mad infatuation-for a boy in the camps bazaar, his name was Babri/Baburi being apposite. Until then I had no inclination of love and a couplet of Muhammad Salih came to my mind: When I see my friend I am abashed with shame; My companions look at me, I look away sans aim. This couplet suited my state of mind perfectly. In that maelstrom of desire and passion, and under the stress of youthful folly, I used to wander, bareheaded and barefoot, through streets and lanes, orchards and vineyards. I showed civility neither to friends nor to strangers, took no care of myself or others. Babar clearly stated that guys name was Bavara as he was of raging and flickering nature and Babar himself became Bavara or crazy for him to attain his sexual proximity. That is why the term Babri Mosque is specially used only for the construction that was done according to Mughal architecture at Ramjanmabhoomi because it was made for Hindus not for Muslims. Babri Mosque means Mosques of infidels-insane Hindus.
Many developing countries pursue policies of rapid industrialization in order to achieve faster economic growth. Some policies cause displacement forcing many individuals to take up a fight against the state. Interestingly some of these dissenting individuals are more successful in organizing their protests than others. In this book, Ashok Swain demonstrates how displaced people mobilize to protest with the help of their social networks. Studying protests against large industrial and development projects, Swain compares the mobilization process between a traditionally protest rich and a protest poor region in India to explain how social network structures are a key component to understand this variation. He reveals how improved mobilization capability coincides with their evolving social network structure thanks to recent exposure to external actors like religious missionaries and radical left activists. The in-depth examination of the existing literature on social mobilization and extensive fieldwork conducted in India make this book a well-organized and useful resource to analyze protest mobilization in developing regions.
This book highlights progress in terms of Virus Biology and Infection Detection, Prevention, and Control, along with Screening, Testing, and Detection Techniques, that will provide learners and researchers (from basic to advanced) with the most innovative computer-driven methodologies for the fight against COVID-19. In addition, this book also covers the Pre- and Post-Impact of the COVID-19 Pandemic Crisis that will definitely provide useful content for researchers to think broadly about the analytical areas affected by COVID-19. This ultimately shows different paths to the same destination to help understand the nature of the COVID-19 pandemic and how to avoid it in the future.
Indian agriculture is a symbiosis of crop and livestock production, a way of life, a tradition, which for centuries has shaped the thoughts, the outlook, the culture, and the socio-economic facet of rural life. Among agricultural scenario dairying is an important enterprise which supports the livelihoods of millions of people. It is considered as one of the subsidiary occupation of the rural people playing crucial role in the national economy in terms of generating the income and raising the employment (Mathur, 2001). In fact, agriculture is the backbone of our country in which livestock sector is an integral part of it.
This book comprises the lectures of a two-semester course on quantum field theory, presented in a quite informal and personal manner. The course starts with relativistic one-particle systems, and develops the basics of quantum field theory with an analysis on the representations of the Poincaré group. Canonical quantization is carried out for scalar, fermion, Abelian and non-Abelian gauge theories. Covariant quantization of gauge theories is also carried out with a detailed description of the BRST symmetry. The Higgs phenomenon and the standard model of electroweak interactions are also developed systematically. Regularization and (BPHZ) renormalization of field theories as well as gauge theories are discussed in detail, leading to a derivation of the renormalization group equation. In addition, two chapters — one on the Dirac quantization of constrained systems and another on discrete symmetries — are included for completeness, although these are not covered in the two-semester course.This second edition includes two new chapters, one on Nielsen identities and the other on basics of global supersymmetry. It also includes two appendices, one on fermions in arbitrary dimensions and the other on gauge invariant potentials and the Fock-Schwinger gauge.
This book, A COLLECTION OF EXCERPTS FROM THE SCRIPTURES OF MAJOR WORLD RELIGIONS, consists of three major Parts. PART I (adopted from an earlier book by the author) pertains to major religions that originated in INDIA at different epochs of history; namely, HINDUISM, BUDDHISM, JAINISM, and SIKHISM. PART I I contains excerpts from the main scriptures of the three religions that originated in European and the Middle Eastern regions with their original roots in Prophet Abraham, namely, JUDAISM, CHRISTIANITY, And ISLAM. Thus, PART I contains excerpts from the Vedas and the Upanishads (Hinduism); the Dhammapad (Buddhism); the Agam (Jainism); and the Guru Granth Saheb (Sikhism.) A number of essays on the historical backgrounds, the leading figures and events, and their interrelations are also included for a deeper appreciation of the pertinent philosophies. PART II, similarly, contains excerpts from The Old Testament (Judaism) and The New Testament (Christianity) of the Bible, and the Koran (Islam), with a brief Introduction in each case. The main purpose of presenting this book is to illustrate the commonality of the Indian religions due to their common root Hinduism -- that came into being in India some 10-15 millennia ago, and was modified from time to time. These religions have coexisted peacefully and harmoniously for centuries and millennia, and have contributed much in the global spiritual development. In particular, Buddhism has been adopted in a significant portion of Asia (China, Japan, South-East Asia), and has been also attracting the intellectuals in the West in recent years. Interrelations among the other three religions are also evident due to their common root; though significant historical schisms and ideological differences among them are also well-known. As the world enters the Twentieth Century, it is imperative for world-peace that people across the globe try to understand one another better, in terms of the spiritual and religious beliefs, philosophies, mentalities, and traditional tendencies that shape their individual lives as well as their mutual interaction patterns. It is hoped that this book makes a small contribution in that direction.
Nanocomposites (both heterogeneous and anisotropic) are hard to machine due to their enhanced properties and there is a need to know about the problems associated with the machining of nanocomposites by various conventional as well as non-conventional machining operations. Machining of nanocomposites emphasizes on different fabrication methods to develop nanocomposites (polymers, metals, and ceramics) and different machining processes used in industries. Further, it describes issues and challenges including research trends associated with the same. It also evaluates mechanical and wear properties of the composites as well. Features: Covers manufacturing process of nanocomposites. Includes conventional and non-conventional machining process and relevant applications. Addresses effect of different nano-reinforcements on machinability. Discusses usage of design of experiments and optimization technique to improve the machinability of nanocomposites. Reviews challenges on machining of nanocomposites and its remedies. This book aims at Researchers, Graduate students in Mechanical Engineering, and Materials Sciences including Composites, Nanotechnology, and Machining.
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