Fundamental scientific research in atmospheric and space sciences is being conducted at NARL, Gadanki, by various instruments which are capable of providing parameters about different atmospheric process with very high resolution. Statistical description of atmospheric motions over the earth, their role in transporting the constituents of the atmosphere and the transformation of different forms of energy is studied with sophisticated MST radar system. The 53 MHz MST radar operating from the year 1991 is a prime instrument for atmospheric science research with 32 transmitters powering a 1024 element square grid antenna array.
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UNFURLING PRAMEHA VYADHI AND ITS TWAK UPADRAVAS
Original price was: ₹280.00.₹270.00Current price is: ₹270.00.
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Madhuri Manthan
Original price was: ₹240.00.₹220.00Current price is: ₹220.00.
ARM MICROCONTROLLER AND EMBEDDED SYSTEMS FOR REMOTE DATA ACQUISITION & CONTROL
Original price was: ₹350.00.₹320.00Current price is: ₹320.00.
- Author: :DR. R. LAKSHMI NARAYANA ,PROF. K. NAGABHUSHAN RAJU
- Language : English
- Paperback : 207 pages
- ISBN-13 : 978-93-5515-012-7
- Country of Origin : India
- Generic Name : Academic, Edited
- Publisher : BR Press India (22 October 2021
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RasoiGhar Relish the goodness from simple food habits
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Mastering Arduino Basics in 30 Days
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PHARMACOTHERAPEUTICS OF STEROIDS IN DENTISTRY
Corticosteroids are medicines that are similar to the natural hormone cortisone and belong to the family of drugs called steroids.
Changing Scenario of Business and Management
The Govt. of India introduced economically favorable policy for housing in June 2015with a vision to provide shelter for all. There are several projects that were scheduled but could not take off due to the pandemic and the remaining existing ones were halted due to various reasons. Thus, PMAY also faced the brunt of pandemic and this chapter aims at highlighting those limitations and providing future roadmap for PMAY.
Fracture Behavior of Biological Materials and Interfaces
Fracture Behavior of Inhomogeneous Biological Materials and Interfaces
Biological materials like bone, nacre, human tooth layers are inhomogeneous materials made up of soft collagen, and hard, hydroxyapatite (HAP) mineral arranged in such a fashion so that these materials have higher strength and toughness, the measure of crack resisting behavior in materials, at the same time, which is exclusive in nature for different class of materials available for different application areas. The interfaces in these biological materials are designed in such a fashion so that the load transfer between the constituents takes place so smoothly, therefore, become a region of strength, not susceptible to failure like in other man-made materials and composites. It is important to understand these aspects of biological materials so that they can be mimicked to the novel materials to satisfy the growing need of different industries.
This work is focused on studying different layers of human tooth, and its interface for crack initiation and growth, the crack arresting behavior of the interface layer of the outer cover of human tooth, the enamel, and the inner, dentine, called dentine enamel junction. These works are done by developing a numerical model using the commercial finite element analysis tool, ABAQUS. The crack growth pattern of the enamel and the dentine has also been investigated. The role of porosity and permeability on the energy release rate which is the measure of fracture toughness has also been investigated. The key features of the book are:
- Study on the role of shear modulus of the defect and the matrix material in which the defect is embedded on the energy release rate.
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STORE ATMOSPHERICS AND CONSUMER BEHAVIOUR K.SARANYA
The country has seen a radical revolution in retailing
after globalization. Different formats of stores have been
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ANALOG ELECTRONICS
A better device is the triac, bidirectional thyristor, which allows the full a.c. power to be controlled. It comprises two thyristors connected in parallel and working in opposition but controlled by the same gate. The trigger pulses to a triac are provided by a special device called diac, bidirectional breakdown diode. It is, in effect, two Zener diodes connected back to back. The diac conducts in either direction if the applied voltage reaches the breakdown voltage of about 30 V. This
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