The field of dentistry is constantly changing with the introduction of new materials and techniques that resulted in good treatment outcome. The quest to search for an ideal material is never ending especially in the field of material sciences. Since the evolution of dentistry, various materials were introduced, formulated and applied both in vivo and in vitro and standardized in order to obtain maximum benefit from the material.1Bio-ceramics are amongst the recently introduced materials which have changed the face of dentistry.
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An Empirical Analysis of Calendar Anomalies in Stock Returns – Evidence from India
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Bhartiya Sanskriti me Bhagwan ke Roop wa Vaigyankita
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BIOCERAMICS IN ENDODONTICS
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- Author: DR. CHRIS CHERIAN GEOGI MDS, DR. SANDEEP DUBEY MDS, DR. PALAK SINGH MDS, PROF DR B RAJKUMAR
- Language : English
- Hardcase : 134 pages
- ISBN-13 : 978-93-5515-306-7
- Country of Origin : India
- Generic Name : Thesis
- Publisher : Book Rivers(30March 2022)
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Apbhransh Sahitya : Ek Anusheelan
PRODUCT DETAILS
- ISBN : 978-93-90548-29-3
- Publisher : Book River (10 March 2021)
- Language : Hindi
- Dimensions : 12 x 2 x 21 cm
- Country of Origin : India
- Pages : 245
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
कामकाजी माताएँ एवं किशोर
कुछ शोध परिणामों से यह ज्ञात हुआ है कि व्यवसाय का प्रकार, व्यवसाय की स्थिति/पद तथा माता का व्यवसाय से समझौते का स्तर, माता की क्रियाओं की गुणवत्ता तथा बालकों की देख-रेख के स्तर में महत्वपूर्ण भूमिका का निर्वाह करता है। इस सम्बन्ध में हाॅफमैन (1989) बताते हैं कि व्यवसायरत् माताओं की कि‛ाोर बालिकायें सामाजिक रूप से अपने आपको अधिक समर्थ पाती हैं। उनके आत्मवि‛वास, आत्म उपयुक्ततता एवं स्वतंत्रता की भावना में बढ़ोत्तरी होती है। यही तथ्य बालकों के लिए अलग होता है क्योंकि माताओं का व्यवसायरत् होना कि‛ाोर बालकों पर अलग प्रकार का प्रभाव डालता है। इसके विपरीत बहुत ही सफलतम परिवारों में व्यवसायरत् माताओं के कि‛ाोरों की बुद्धिलब्धि तथा पहचान अधिक उच्च कोटि की होती है। यह विपरीत प्रभाव कई कारणों से प्रभावित होता है।
STORE ATMOSPHERICS AND CONSUMER BEHAVIOUR K.SARANYA
The country has seen a radical revolution in retailing
after globalization. Different formats of stores have been
opened up many in cities across India. The multi-storied
malls, hypermarkets, supermarkets have all made a
revolution in retail experience among the consumers.
Therefore, the customers do not only visit the store for
buying goods and services, they go with the expectation of
having fun, entertainment, spending leisure time etc.
Moreover, the consumers‟ purchasing power has been
increasing and this encourages the retailers to concentrate
on building a better environment in the stores.
MOBILE APPLICATIONS DEVELOPMENT
All types of mobile application will utilize a network connection. The developers will createinstallable software, which includes backend services such as accessing of data with an ApplicationProgramming Interface, not only that all the mobile application developers will test the developedapplication in different mobile devices to make sure that it is functioning properly.
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.
- The role of small coating layer between the outer matrix and the inner layer on the fracture behavior, especially the stress concentrations in these different layers due to change in the elastic modulus.
- The crack growth pattern in human enamel, the outer tooth layer.
- The crack arresting phenomena of the interfacial, dentine enamel junction (DEJ).
- The role of porosity and permeability on the energy release rate in the inner layer of human tooth, dentine.
DENTAL IMPLANT IMAGING
Computed tomography (CT) has been the gold
standard for many years as the information provided is
three-dimensional and generally very accurate. However,
CT examinations are expensive and deliver a relatively
high radiation dose to the patient. The latest imaging
modality introduced is cone beam volumetric tomography
(CBVT) and this technology is very promising with regard
to pre-implant imaging.
Sabjiyo ki Adhunik kheti (Hindi)
भारत एक कृषि प्रधान देश है जहाँ की लगभग 70 प्रतिषत जनता कृषि कार्य करती है। बढ़ती हुई जनसंख्या तथा भूमि की उत्पादन दर कम होने के कारण कभी-कभी भोजन की पूर्ति की समस्या गंभीर रूप धारण कर लेती है। भारत में खाद्य पदार्थों का कम उत्पादन होने का दूसरा कारण यह भी है कि यहाँ अधिकतर लोगों की काम करने की क्षमता कम है क्योंकि वे असंतुलित एवं कम पोषण आहार के ऊपर निर्भर रहते हैं अतः स्वास्थय ठीक न रहने से उनकी कार्य करने की क्षमता भी कम होती है। इस प्रकार स्वस्थ्य जीवन के लिए सन्तुलित एवं पोषक आहार जरूरी है।
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