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Singh, Gurdeep
- Assessment of Groundwater Quality in the Mining Areas of Goa, India
Abstract Views :208 |
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Authors
Affiliations
1 Vinoba Bhave University, Hazaribagh-825301, Jharkhand, IN
2 Center of Mining Environment, Department of Environmental Science and Engineering, Indian School of Mines, Dhanbad-826004, Jharkhand, IN
1 Vinoba Bhave University, Hazaribagh-825301, Jharkhand, IN
2 Center of Mining Environment, Department of Environmental Science and Engineering, Indian School of Mines, Dhanbad-826004, Jharkhand, IN
Source
Indian Journal of Science and Technology, Vol 8, No 6 (2015), Pagination: 588-595Abstract
Goa is a famous International tourist destination and attracts around 2 million tourists annually. Tourism is generally limited along the coastal belt of Goa, while mining is more focused in the midland of Goa. The groundwater in the State is mainly used for drinking and industrial purposes followed by agriculture to some extent. The open cast iron ore mining in Goa had induced significant changes in groundwater quality and quantity. The objective of the present study was to assess the impact of mining activities on the qualitative scenario of ground water in the study area. The monitoring of groundwater quality was done at fourty five groundwater sampling locations on a seasonal basis (i.e. post-monsoon, winter, summer, and monsoon) from October 2011 to September 2012. Assessment of Ground water quality status was done by using the Water Quality Index method, which is an effective tool to assess spatial and temporal changes in ground water quality. Based on the descriptive categories of WQI values observed, all (100%) the sampling locations in the study area were observed with very good category.Keywords
Quality Indices, Goa, Groundwater, Monitoring, Seasonal Variations.Full Text
- Biocompatibility Studies of Electron Beam Cured Pressure Sensitive Adhesive Tape for Medical Application
Abstract Views :292 |
PDF Views:103
Authors
Affiliations
1 Shriram Institute for Industrial Research, 19-University Road, Delhi 110 007, IN
2 Vinoba Bhave University, Hazaribag, Jharkhand 825 301, IN
1 Shriram Institute for Industrial Research, 19-University Road, Delhi 110 007, IN
2 Vinoba Bhave University, Hazaribag, Jharkhand 825 301, IN
Source
Current Science, Vol 110, No 6 (2016), Pagination: 1023-1030Abstract
Polyurethane (PU)-based pressure-sensitive adhesive (PSA) tapes are commonly used during surgery. Such devices made for biomedical applications must be biocompatible and biologically safe while in use in the human body as their ingredients may leach off of a device into an adjacent tissue and can harm the body during or after application. In the present study, various methods required for biocompatibility establishment, e.g. cytotoxicity, irritation and sensitization for a device, have been analysed and presented following suitable specifications. The study also emphasizes on the developmental and curing mechanism of biomedical adhesive tape by electron beam (e-beam) irradiation.Full Text
References
- ISO 10993-1, Biological evaluation of medical devices-part 1, evaluation and testing in the risk management process, 2009.
- ISO 10993-2, Biological evaluation of medical devices-part 2, animal welfare requirements, 2006.
- ISO 10993-5, Biological evaluation of medical devices-part 5, tests for in vitro cytotoxicity, 2009.
- ISO 10993-10, Biological evaluation of medical devices-part 10, tests for irritation and skin sensitization, 2010.
- ISO 10993-12, Biological evaluation of medical devices-part 12, sample preparation and reference materials, 2012.
- Singh, A. K., Mehra, D. S., Niyogi, U. K., Sabharwal S. and Khandal, R. K., Polyurethane based pressure sensitive adhesives (PSAs) using e-beam irradiation for medical application. J. Polym.Material., 2011, 28(4), 525–542.
- Singh, A. K., Mehra, D. S., Niyogi, U. K., Sabharwal, S. and Khandal, R. K., Effect of tackifier and crosslinkers on electron beam curable polyurethane pressure sensitive adhesive. Radiat.Phys. Chem., 2012, 81(5), 547–552.
- Singh, A. K., Mehra, D. S., Niyogi, U. K., Sabharwal, S., Swiderska, J., Czech, Z. and Khandal, R. K., Effect of crosslinkers on adhesion properties of electron beam curable polyurethane pressure sensitive adhesive. Int. J. Adhes. Adhes., 2013, 41, 73– 79.
- Singh, A. K., Niyogi, U. K., Sabharwal, S., Kowalczyk, A., Czech, Z. and Mehra, D. S., Shrinkage studies in electron beam curable polyurethane pressure sensitive adhesive. J. Adhes. Sci. Technol., 2013, 27(14), 1511–1524.
- Singh, A. K., Mehra, D. S., Niyogi, U. K., Sabharwal, S. and Singh, G., Breathability studies of electron beam curable polyurethane pressure sensitive adhesive for bio-medical application.Radiat. Phys. Chem., 2014, 103, 75-83.
- Singh, A. K., Mehra, D. S., Niyogi, U. K., Sabharwal, S. and Singh, G., Life performance evaluation of electron beam-curable polyurethane pressure-sensitive adhesive tape for medical applications.J. Adhes. Sci. Technol., 2014, 28(12), 1192–1206.
- Fournier, E., Passirani, C., Montero-Menei, C. N. and Benoit, J. P., Biocompatibility of implantable synthetic polymeric drug carriers: focus on brain biocompatibility. Biomater, 2003, 24(19), 3311–3331.
- Lebowitz, M. D., Key concepts: chemical sensitization. In Multiple Chemical Sensitivities, National Academic Press, Washington, 1992.
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- Lonnroth, E.-C. and Dahl, J. E., Cytotoxicity of dental glass ionomers evaluated using dimethylthiazol diphenyltetrazolium and neutral red tests. Acta. Odontol. Scand., 2001, 59, 34–39.
- Lonnroth, E.-C. and Dahl, J. E., Cytotoxicity of liquids and powders of chemically different dental materials using dimethylthiazol diphenyltetrazolium and neutral red tests. Acta. Odontol. Scand., 2003, 61, 52–56.
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- Wennberg, A., In vitro assessment of the biocompatibility of dental materials – the Millipore filter method. J. Int. End., 1988, 21, 1–5.
- Lönnroth, E. C., Toxicity of medical glove materials: a pilot study. Int. J. Occup. Saf. Ergo., 2005, 11(2), 131–139.
- Matsuzaki, A., Yamashita, M. and Hara, N., Effect of pretreatment film composition on adhesion of organic film on zinc coated steel sheet. Mater. Trans., 2010, 51(10), 1833–1841.
- Amaral, A., Roos, A., Asua, J. M. and Creton, C., Assessing the effect of latex particle size and distribution on the rheological and adhesive properties of model waterborne acrylic pressure-sensitive adhesives films. J. Colloid Inter. Sci., 2005, 281, 325–338.
- Park, S., Adam Strömstedt, A. A. and Göransson, U., Cyclotide structure–activity relationships: qualitative and quantitative approaches linking cytotoxic and anthelmintic activity to the clustering of physicochemical forces. PLoS ONE, 2014, 9(3), e91430.
- Lee, Y. J., Lee, G., Kang, S. W., Cheong, Y. and Park, Y.-K., Label-free and quantitative evaluation of cytotoxicity based on surface nanostructure and biophysical property of cells utilizing AFM. Micron, 2013, 49, 54–59.
- Neilson, L., Mankus, C., Thorne, D., Jackson, D., DeBay, J. and Meredith, C., Development of an in vitro cytotoxicity model for aerosol exposure using 3D reconstructed human airway tissue; application for assessment of e-cigarette aerosol. Toxicol. In Vitro, 2015, 29(7), 1952–1962.
- McNamara, K., Kolaj-Robin, O., Belochapkine, S., Laffir, F., Gandhi, A. A. and Tofail, S. A. M., Surface chemistry and cytotoxicity of reactively sputtered tantalum oxide films on NiTi plates. Thin Solid Films, 2015, 589, 1–7.
- Geertsma, R. E., Orzechowski, T. J. H., Jonker, M., Dorpema, J. W. and Asten, J. A. A. M., Radiation vulcanized natural rubber latex: safer than conventionally processed latex? (RIVM report 605148007). Bilthoven, The Netherlands: National Institute for Public Health and the Environment, 1996.
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- Emter, R. and Natsch, A., A fast Resazurin-based live viability assay is equivalent to the MTT-test in the KeratinoSens assay. Toxicol. In Vitro, 2015, 29(4), 688–693.
- Ikarashi, Y., Toyoda, K., Oshawa, N., Uchima, T., Tsuchiya, T. and Kaniwa, M., Comparative studies by cell culture and in vivo implantation test on the toxicity of natural rubber latex materials. J. Biomed. Mat. Res., 1992, 26, 339–356.
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- Estimation of Assimilative Capacity of the Airshed in Iron Ore Mining Region of Goa
Abstract Views :241 |
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Authors
Affiliations
1 Vinoba Bhave University, Hazaribag - 825301, Jharkhand, IN
2 Department of Environmental Science and Engineering, Indian School of Mines, Dhanbad - 826004, Jharkhand, IN
1 Vinoba Bhave University, Hazaribag - 825301, Jharkhand, IN
2 Department of Environmental Science and Engineering, Indian School of Mines, Dhanbad - 826004, Jharkhand, IN
Source
Indian Journal of Science and Technology, Vol 8, No 23 (2015), Pagination:Abstract
The assimilative potential of the atmosphere entails the capacity of the atmosphere to accept and dissipate the pollutant discharge without exceeding the standard limits. The evaluation of assimilative potential is important because it is a useful tool for the area-based management of air pollution and to mitigate the pollution level. The assimilative potential of the atmosphere can be represented in two ways: one as the ventilation coefficient and the other as the dispersion potential of emission loads discharged into the region. The ventilation coefficient is directly proportional to the assimilation potential of the atmosphere and can be computed using meteorological parameters. In the second approach, the assimilative capacity can be estimated in terms of permissible emission load that is the difference between the permissible and the existing pollutant concentration levels. The existing concentration levels can either be monitored or predicted using an appropriate dispersion model. For this study the assimilated potential of the atmosphere was estimated in terms of potential pollution load by comparing the predicted concentration of PM10 at 14 discrete receptor points using the American Meteorological Society EPA Regulatory Model (AERMOD) dispersion model. The investigation clearly inferred that, the area under consideration has a fair assimilative capacity.Keywords
AERMOD, Dispersion Model, PM10, Predicted ConcentrationFull Text
- Technological Advanced Techniques for Joining Ceramics-Metals/Alloys
Abstract Views :110 |
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Authors
Affiliations
1 Department of Mechanical Engineering, IET Bhaddal, Ropar(Pb), IN
1 Department of Mechanical Engineering, IET Bhaddal, Ropar(Pb), IN
Source
Research Cell: An International Journal of Engineering Sciences, Vol 25 (2017), Pagination: 194-198Abstract
Ceramics and metals are two of the oldest established classes of technologically useful materials. While metals dominate engineering applications, ceramics have some attractive properties compared to metals, which make them useful for specific applications. The properties of individual ceramics and metals can vary widely; however, the characteristics of most materials in the two classes differ significantly. Joining of Ceramics with Metals/Alloys is difficult because of the difficulty of mismatching of Coefficient of Thermal Expansion of materials formed in weld pool with components to be joined. Difficulties arise if ceramics sublime rather than melt or the metal undergoes phase changes on cooling. Joints between a metal and ceramic are becoming increasingly important in the manufacturing of a wide variety of technological product. But joining ceramics to metallic materials often remains an unresolved or unsatisfactorily resolved problem. Technological advances are extending the applications for bonded Ceramic-Metal/Alloys components and demanding more rigorous performance characteristics..Successful application of ceramics in many devices and structures requires some type of ceramic metal joining. Ceramic-metal seals are used extensively in a wide variety of applications. Examples include vacuum tubes, high voltage feedthroughs, transistor packages, sapphire-metal windows, rocket ignitor bodies and many others. Newer joining applications include engine components, such as the Si3N4 turbocharger rotor joined to a metal shaft now being produced commercially, multilayer electronic devices that comprise both ceramics and electrodes, electroding and metallizing of hybrid microcircuit substrates, and ceramic-metal composites. All applications require a high-strength metal-ceramic bond. Many new techniques have been developed for successful joining of ceramics to metals; Metal-ceramic joining has slowly but steadily become an important manufacturing step. New joining methods and newer approaches to conventional methods have been developed aiming at joints characterized by improved reliability, and interfaces capable of withstanding high-temperature resistance with minimum residual stresses. Some of the Technological advanced Techniques for joining Ceramics to metals are Ultrasonic Joining, Transient Liquid Phase Bonding, Microwave Joining Infiltration Processes, Brazing.Keywords
Coefficient of Thermal Expansion, Ceramic-Metal Ioining, Brazing, Technological Advanced Techniques.Full Text
References
- S. Avner, Introduction to Physical Metallurgy, Tata McGraw-Hill Education Pvt. Ltd.
- W. Callister, “Material Science and Engineering,” John Willey & Sons.
- V. Raghvan, “Material Science and Engineering,” Tata McGraw Hill.
- A Study on Particle Size Distribution Profile of Coal Combustion Residues from Thermal Power Plants of India
Abstract Views :165 |
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Authors
Affiliations
1 Dept. of Applied Chemistry, Birla Institute of Technology, Mesra, Ranchi-835215, IN
2 Dept. of Environmental Science and Engineering, Indian School of Mines, Dhanbad-826004, IN
1 Dept. of Applied Chemistry, Birla Institute of Technology, Mesra, Ranchi-835215, IN
2 Dept. of Environmental Science and Engineering, Indian School of Mines, Dhanbad-826004, IN
Source
Asian Journal of Research in Chemistry, Vol 3, No 2 (2010), Pagination: 386-388Abstract
The present study describes the comparative assessment of Particle size distribution profiles of Coal Combustion Residues from two thermal power stations of Korba, Chattisgarh, India. Knowledge about Particle size is indispensable to determine the possibility of usage of these Coal Combustion Residues in various applications. Coal combustion Residues of CSEB-E power plants were found to have better particle size distribution profile than CSEB-W power plant. CSEB-E power plant had AMD from 15.83 to 66.91 and CSEB-W 49.48 to 75.36. The particle size analysis reveals that the samples which have the highest undersize percent by volume in the particle size range of <45 are useful as fillers in construction materials. They may also be used in geotechnical applications, bulk utilization through back filling, reclamation of waste degraded land and for stowing in underground mines.Keywords
Coal Combustion Residues (CCRs), Particle Size Distribution Profile (PSDP), Fly Ash (FA), Bottom Ash (BA), Pond Ash (PA).
- Study of the Importance of Indian Tourism on Economic Development Over the Period 2000—2017
Abstract Views :210 |
PDF Views:110
Authors
Anay Kumar
1,
Gurdeep Singh
2
Affiliations
1 Department of Economics, M.P. Govt College Amb, Una, Himachal Pradesh-177203, IN
2 Department of Mathematics, Govt. Sr.sec. School Ghanari, Una, Himachal Pradesh-177212, IN
1 Department of Economics, M.P. Govt College Amb, Una, Himachal Pradesh-177203, IN
2 Department of Mathematics, Govt. Sr.sec. School Ghanari, Una, Himachal Pradesh-177212, IN
Source
Indian Journal of Economics and Development, Vol 7, No 1 (2019), Pagination: 1-7Abstract
Objectives: This work assesses the relationship between Gross Domestic Product, Foreign Tourist Arrivals, Gross Domestic Product and Employment in India over the period 2002 to 2017. The other objective is to observe the growth and performance of tourism in Gross Domestic Product of India. To study the different tourism policies and identify the best policies or suggestions for government of India.
Methods/Analysis: This study has used the Karl Pearson method for calculating the Coefficient of Correlation. The coefficients R12,R13,R14 & R24 have been calculated and these are between the 1.Gross Domestic Product, 2. Foreign Tourist Arrivals, 3. Foreign Exchange Earning, 4. Employment. The P.E. Maximum Limit, Minimum Limit, S.E., Significant of |r| and ‘t’ Test are also used to calculate the findings of the study.
Findings: The study finds that the coefficient of correlation between foreign tourist arrivals and gross domestic product i.e. R12 for the 1st period of study i.e. 2000-05 and in the 3rd period of study i.e. 2012-17 is highly positive and significant. Which clearly means that the gross domestic product of India depends upon foreign tourist arrivals? As it is observed in the 2nd period of i.e. 2006-11, the coefficient of correlation R12 is moderate positive &insignificant. According to the economic review of India, this was recession, yet then the coefficient of correlation which is moderate positive shows that the Indian gross domestic product depends upon foreign tourist arrivals whether which was decreased as compare to 1stperiod & 3rd periods of our observation. The resulted provided by R12 are also explained by the coefficient of determination i.e. r2. The value of r2, in the 1st period of study 2000-05,2nd period of study 2006-11 & 3rd period of study 2012-17 is 65.60%, 50% & 88% respectively. It clearly means that the variation in gross domestic product is highly in the 3rd period & lowest in the 2nd period of the study. As 2nd period of study was economic recession, yet then the variation in gross domestic product is not less than 50%. The employment was also increased in the 1st & 3rd period due to increment in the foreign tourist arrivals shown by the value of R24.
Keywords
Tourism, Employment, Gross Domestic Product, Foreign Exchange Earning, Foreign Tourist Arrivals.Full Text
References
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- A One Year Epidemiological Study of Mechanical Injury Cases brought to SIMS Hospital, Western Uttar Pradesh
Abstract Views :494 |
PDF Views:0
Authors
Affiliations
1 Post-Graduate, Department of Forensic Medicine & Toxicology, Saraswathi Institute of Medical Sciences, Hapur, UP, IN
2 Associate Professor, Department of Forensic Medicine & Toxicology, Saraswathi Institute of Medical Sciences, Hapur, UP, IN
3 Professor, Department of Forensic Medicine & Toxicology, Saraswathi Institute of Medical Sciences, Hapur, UP, IN
4 Assistant Professor, Department of Forensic Medicine & Toxicology, Saraswathi Institute of Medical Sciences, Hapur, UP, IN
1 Post-Graduate, Department of Forensic Medicine & Toxicology, Saraswathi Institute of Medical Sciences, Hapur, UP, IN
2 Associate Professor, Department of Forensic Medicine & Toxicology, Saraswathi Institute of Medical Sciences, Hapur, UP, IN
3 Professor, Department of Forensic Medicine & Toxicology, Saraswathi Institute of Medical Sciences, Hapur, UP, IN
4 Assistant Professor, Department of Forensic Medicine & Toxicology, Saraswathi Institute of Medical Sciences, Hapur, UP, IN
Source
Indian Journal of Forensic Medicine & Toxicology, Vol 14, No 1 (2020), Pagination: 1-4Abstract
Aim: To find out causes and factors responsible for the mechanical injuries. Materials & Methodology: This prospective study was conducted at Saraswathi Institute of Medical Sciences, Hapur, from 1st JULY 2017 to 30th JUNE 2018. There were total 306 patients of mechanical injury cases reported to the department of emergency during the study period. Result: Of the total 306 cases 228 (74.51%) cases were male and 78 (25.49%) cases were female. Most susceptible age group was between 21-30 years (30.1%) of age and RTA were the leading cause of death (83.66%).Keywords
Mechanical Injuries, Road Traffic Accident, Fall From Height, Assault.- Study of Demographic Pattern of Poisoning in Patients Presenting to Emergency Department of a Tertiary Care Centre, SIMS, Hapur
Abstract Views :446 |
PDF Views:1
Authors
Affiliations
1 Post-Graduate, Department of Forensic Medicine & Toxicology, Saraswathi Institute of Medical Sciences, Hapur, UP, IN
2 Professor, Department of Forensic Medicine & Toxicology, Saraswathi Institute of Medical Sciences, Hapur, UP, IN
3 Associate Professor, Department of Forensic Medicine & Toxicology, Saraswathi Institute of Medical Sciences, Hapur, UP, IN
4 Department of Forensic Medicine & Toxicology, Saraswathi Institute of Medical Sciences, Hapur, UP, IN
1 Post-Graduate, Department of Forensic Medicine & Toxicology, Saraswathi Institute of Medical Sciences, Hapur, UP, IN
2 Professor, Department of Forensic Medicine & Toxicology, Saraswathi Institute of Medical Sciences, Hapur, UP, IN
3 Associate Professor, Department of Forensic Medicine & Toxicology, Saraswathi Institute of Medical Sciences, Hapur, UP, IN
4 Department of Forensic Medicine & Toxicology, Saraswathi Institute of Medical Sciences, Hapur, UP, IN
Source
Indian Journal of Forensic Medicine & Toxicology, Vol 14, No 1 (2020), Pagination: 12-15Abstract
Poisoning is a common medical emergency and one of the important cause of mortality and morbidity in developing countries like India due to easy availability of poisonous substances and its low cost. This study was carried out on poisoning cases reported to casualty of Saraswathi Institute of Medical Sciences, Hapur, UP in eighteen-months duration from 1st January 2017 to 30th June 2018. In this study, incidence was more among men (58.70%) compared to women (41.30%) and maximum cases were of age group 21-30 years (48.91%). More cases from rural area (89.13%) were reported and highest number of poisoning cases were admitted in the month of June 2018 (10.87%) followed by May 2017 (8.70%). Maximum cases (60.87%) reported to casualty between 8am to 4pm. Aluminium phosphide poisoning (44.26%) constituted the highest number of cases and in maximum cases manner of poisoning was of suicidal in nature (59.78%). Majority of cases 53.26% were discharged after improvement and 3.26% cases died.Keywords
Poisoning, Mortality, Sociodemographic Profile, Agrochemical Poisons.- A Prototype Punjabi Text To Sign Language Automatic Translator
Abstract Views :277 |
PDF Views:1
Authors
Affiliations
1 Department of Computer Science, Punjabi University, Patiala, IN
1 Department of Computer Science, Punjabi University, Patiala, IN
Source
Research Cell: An International Journal of Engineering Sciences, Vol 34 (2021), Pagination: 32-39Abstract
Sign language, which is a method of communication for the hearing-impaired community, conveys meaning through manual communication and body language rather than through sound. This paper describes a Punjabi text to sign language translation method in prototype form. The suggested method accepts Punjabi text as input and produces Sign Language equivalents using synthetic animations. This system will help to disseminate information to deaf people in public utility places like railways, banks, hospitals, etc. This will also act as an educational tool in learning Sign Language.Keywords
Indian Sign Language, Stemmer, Part of Speech Tagger.Full Text
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