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Dynamics and Green’s Functions of Uniaxial Nematic Liquid Crystals  [PDF]
M.Y. Kovalevsky, V.T. Matskevych
Open Access Library PrePrints (OALib PrePrints) , 2014, DOI: 10.4236/oalib.preprints.1200097
Abstract: Dynamics of uniaxial nematic liquid crystals with rod-shaped and disc-shaped molecules in an external field is considered. For the systems under study thermodynamics is constructed and nonlinear dynamic equations accounting for the internal spatial anisotropy and molecules shape are derived. Densities of additive integrals of motion and corresponding flow densities are introduced in terms of thermodynamic potential. Analytical structure of low-frequency asymptotics of two-time Green’s functions is calculated and their characteristics in the region of small wave vectors and frequencies are studied. It is shown that unlike other condensed media with spontaneously broken symmetry low-frequency asymptotics of Green’s functions of considered liquid crystals do not contain divergences of Bogolyubov type.
Symbolism and material culture; Some footnotes for Penny van Esterik
V.T. King
Bijdragen tot de Taal-, Land- en Volkenkunde , 1985,
Abstract:
Developing environmental marketing strategies in the framework of forest sector enterprises social responsibility
V.T. Polovska
Marketing ì Mened?ment Innovacìj , 2012,
Abstract: The approaches and methods of social responsibility implementation for developing environmental marketing strategies are examined, environmental marketing objectives for adopting social responsibility in forest sector are determined, principles of socially responsible environmental marketing are formulated.
ADSORPTION KINETICS AND THERMODYNAMICS OF REMOVAL OF BASIC DYES BY STISHOVITE CLAY - TiO2 NANOCOMPOSITE
V. VENKATESWARAN,V.T. PRIYA
Journal of Applied Technology in Environmental Sanitation , 2012,
Abstract: A series of studies have been conducted on the removal of the basic dyes Auramine yellow and Auramine O using stishovite-TiO2 nanocomposite (NC) as an adsorbent. The batch adsorption experiments were conducted under various operating parameters like initial dye concentration, contact time, adsorbent dose, pH and temperature. The equilibrium data fitted well to the Langmuir and Freundlich isotherm equations. The adsorption efficiency, adsorption energy, adsorption capacity, intensity of adsorption and dimensionless separation factor all are calculated. The experimental data fitted very well with pseudo second order kinetic model and Elcovich model suggesting chemisorption which is confirmed by desorption studies. The adsorption also follows intraparticle diffusion model.
A Micro Analysis Of Cost And Return Of Coleus Herbal Cultivation In Tamil Nadu.
V.T. KUMAR,C. VENKATESAN
Golden Research Thoughts , 2012, DOI: 10.9780/22315063
Abstract: The Herbal plant sector has traditionally occupied an important position in social-cultural, spiritual and medicinal area of rural and tribal lives of India. In recent years, due to growing re cognition of natural products and process in sustaining human as well as environmental, importance of medicinal plants resources have increased tremendously. Cultivation of medicinal plants in wasteland can improve the ecology and economy of the area. World Health organization (WHO) has issued several sidelines pertaining to quality control, assessment of herbal medicines, programme on traditional medicine and for evaluation the safety and efficacy of herbal medicines.
The Cultivation Of Medicinal Plants Through Waste Land In Tamilnadu, Inidia
V.T. KUMAR,C. VENKATESAN
Indian Streams Research Journal , 2012,
Abstract: Through India having great biodiversity nearly 8.0%, a very large part(20.16%) of total geographical area of the country is occupied by the waste land.Adoption of inappropriate soil and crop management practices following grasslandcultivation exacerbated processes of land waste land resulting in rapid expansion of landdesertification in semi arid region of the world including India. Many medicinal plantspecies have spread globally both via intentional and carefully planned transfer and asthe unintentional outcome of people's movements
HERBAL PLANS USED BY THE PEOPLE OF PALAIYAR THENI DISTRICT OF TAMILNADU IN INDIA
C. VENKATESAN,V.T.KUMAR
Indian Streams Research Journal , 2012,
Abstract: An herbals cultivation survey was carried out in Paliyar Theni District Tamil Nadu India. For the documentation of important medicinal plants used job the treatment of rheumatison. The plants were collected according to their family the medicinal properties of plant species have made on outstanding contribution in the origin and evaluation of many traditional herbal therapies. These traditional knowledge system have started to disapper with the passage of time due to searing of written documents and relatively low income in these traditions. Over the past few years, herbal medicine in view of its lesser side effects compared to autopathic medicine in addition the necessity of meting the requirements of medicine for an increasing human population.
Traditional Medicinal Practices Of Tribal Community In Thiruvannamalai Distract, Tamil Nadu
V.T. Kumar and C. Venkatesan
Review of Research , 2012,
Abstract: In India medicinal plants are valued for cultural reasons, man-monetary utilterian purposes, (food and medicines), industrial demand and as a subset of national bio diversity wealth most people especially in rural areas depend on traditional medicines to treat many diseases. Tribal communities are mainly the forest dwellers and they acquired rich knowledge on the uses of various plant species and forest products over the centuries, moreover the majority of the tribal people are engaged in agriculture, animal husbandry, hunting, fishing technology and related activities and they often exposed to various dermatological infections such as wounds, microbial, infections, swellings, burns, from cooking and sleeping near files, scorpion, snake and insect bites an the forest lend.Therefore a need was fell to document in dept information on traditional uses of plants. The medicinal plants Board has formulated some schemes for finding the projects related to development, creating awareness about the therapeutic uses of plants, markings, and cultivation of some selected medicinal plants having assured market. The operation al guidelines for funding the project proposals for many activities have been formulated by the board.
Phytotherapy associated with Jaundice in Chitradurga District, Karnataka
V.T. HIREMATH,T.C. TARANATH
International Journal of Medicinal and Aromatic Plants , 2011,
Abstract: India has one of world’s richest medicinal plant heritages. The wealth is not only in terms of the number of unique species documented, but also in terms of the tremendous depth of traditional knowledge for the uses of human & livestock health and also for agriculture. The medicinal plant species are used by various ethnic communities for human and veterinary health care, across the various ecosystems from Ladakh in the trans-Himalayas to the southern coastal tip of Kanyakumari and from the deserts of Rajasthan and kachch to the hills of the Northeast. Chitradurga, is the central district of Karnataka state with much racial and socio-cultural diversity. Beda’s, Besthas, Gollas, lambanis, are the tribes who are intimately associated with the local forests and traditional knowledge. Local traditional healers having practical knowledge of medicinal plants either for self-medication or for treating others often visit the surrounding forests to collect plant species. The present survey was conducted to collect information about plants used to treat Jaundice in different villages of Challakere taluk of Chitradurga district. Based on personal interviews in normal discussion and observation using questionnaire during study visits, ethno botanical data viz., local name, mode of preparation, medicinal uses were collected. The traditional health healers used 28 plant species, under 24 genera and 20 families to treat Jaundice. The survey also revealed that among the different plant parts used, whole plant is frequently used in 8 species, followed by root (6 species), stem (4), leaves (3 species), flower (2 species) and bark (1 species). The investigation concluded that, there is an urgent need to assess the medicinal plant diversity and conserve the traditional knowledge by proper documentation.
THE MAXIMUM EFFECT OF DEEP LAKES ON TEMPERATURE PROFILES -DETERMINATION OF THE GEOTHERMAL GRADIENT
Balobaev,V.T; Kutasov,I. M; Eppelbaum,L. V;
Earth Sciences Research Journal , 2009,
Abstract: understanding the climate change processes on the basis of geothermal observations in boreholes is an important and at the same time high-intricate problem. many non-climatic effects could cause changes in ground surface temperatures. in this study we investigate the effects of deep lakes on the borehole temperature profiles observed within or in the vicinity of the lakes. we propose a method based on utilization of laplace equation with nonuniform boundary conditions. the proposed method makes possible to estimate the maximum effect of deep lakes (here the term "deep lake" means that long term mean annual temperature of bottom sediments canbe considered as a constant value) on the borehole temperature profiles. this method also allows one to estimate an accuracy of the determination of the geothermal gradient.
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