Volume 6 | Issue 4

 Abstract

There is an increasing trend to use products manufactured from the Carbon Fiber Reinforced Plastics or Carbon Fiber Reinforced Polymer (CFRP) composites in the industry like aerospace, automotive, sports, medical, renewable energy etc. It is because of the lighter weight, higher strength, hence, higher strength-to-weight ratio of these materials, their higher corrosion resistance, higher fatigue resistance etc. Manufacturing of products from CFRP composites need precise machining, including cutting. Cutting of these materials is very difficult and inefficient with non-laser traditional techniques. Using continuous wave (cw) or pulsed fiber lasers solves many of these limitations of cutting CFRP composites. These processes have been optimized by many researchers for reducing the heat affected zones (HAZ) by optimizing the laser parameters like its power, pulse duration, feeding speed etc. Finally the environmental hazards of laser-based cutting of CFRP composites and the safety measures are also discussed in this paper.

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Laser cutting, CFRP composites, Carbon Fiber Reinforced Plastics, Polymers.

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The development of MEMS has been driven by the need for miniaturization and lowering the overall manufacturing cost. The field of MEMS is concerned with the development of integrated systems of sensors, actuators and associated electronics. Even though the electronics industry provides an economy of scale for the silicon industry, crystalline silicon is still a complex and relatively expensive material to produce. The development of polymer micromachining technologies that complement traditional silicon approaches has enabled the broadening of microelectromechanical systems (MEMS) applications. Polymeric Bio-MEMS (Biomedical Micro-Electro-Mechanical Systems) have great potential in their current and future applications which include genomics, proteomics, molecular diagnostics, point-of-care diagnostics, tissue engineering, single cell analysis and implantable micro-devices. The polymeric materials are very fragile and not rigid which restrict their manufacturing processes. To minimize many such problems, excimer lasers and femtosecond lasers have been used for the precise micromachining of Bio-MEMS, the details of which are discussed in this paper.

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excimer laser, femtosecond laser, micromachining, polymers, MEMS, Bio-MEMS

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 Abstract

Aadhunik sahitya mein naari chetna

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Aadhunik sahitya mein naari chetna

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The improvements in material properties, which improve structural performance, have extended the use of fibre-reinforced concrete to applications in the area of fire. The presence of micro cracks in the mortar-aggregate interface is responsible for the inherent weakness of plain concrete. The weakness can be removed by inclusion of fibers in the mixture. Different types of fibers, such as those used in traditional composite materials can be introduced into the concrete mixture to increase its toughness, or ability to resist crack growth.Since the present design methods and approaches are limited to the property, strength, stiffness and ductility of PCC in-filled columns and beams this study will provide the detailed investigation of the actual and local, post buckling and flexural behavior of SFRC in-filled light gauge steel box columns and beams subjected to various typical load conditions. The wider use of light gauge structural components in many areas of application has promoted considerable interest in the in-filled light gauge members. The main target of the examination is to investigate the conduct of hollow, Plain Cement Concrete (PCC) and Steel Fiber Reinforced Concrete (SFRC) in-filled stub, short and medium columns subjected to axial and eccentric loads and bars subjected to flexure. Trial, Theoretical and Numerical investigations have been completed. In the principal stage, trial investigations were completed to contemplate the conduct of hollow, PCC and SFRC in-filled light gauge steel stub, short and medium stature columns. 78 investigations were directed, out of which five tests were on stub columns, five tests were on short columns and 68 tests were on medium tallness columns.

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Fibre, reinforced, mixture, light, gauge, column.

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 Abstract

Uttarakhand ki janankiki ka aalochantmak adhyayan

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Uttarakhand ki janankiki ka aalochantmak adhyayan

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Short Story is a minor functional genre but difficult one to handle. Although many define it to be short and there is no fixed definition of the short story. In the words of E.M/Forster both story and the novel are interrelated. Story is often said to be the essence of the novel. It could be narrative, or psychological or full of vivid description but with a significant incident in the life of a fictitious character, it is very popular because its wide appeal and limited time to read and appreciate

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hypnotical, identity, quest, tenderness, sinister, rioters, moongphalli, patriarchal, submissive, aggressive, dominance

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Mushrooms are highly valued for their nutritional values. But these contain large amounts of bioactive compounds like polysaccharides. Polysaccharides can be used for treating various incurable diseases like cancer, diabetes etc. The chemical structure of polysaccharides and its connection with their antitumor activity and immunomodulating effect are analysed in this paper.

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Mushrooms, Polysaccharides, Cancer, Anti-tumor activities, Immunomodulating effect

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Abstract: The concept of Job satisfaction is not so easy to explain. In spite of such type of difficulties, it is very urgent to clear about the concepts of Job satisfaction for the benefit of various profit and non-profit seeking concerns. Also determination of job satisfaction of employee of every organization is required to assess constantly for obtaining the ultimate goal of the organization. So a small attempt is taken to explore the concept of Job satisfaction, its advantages, and various theories relating to Job satisfaction. mainly secondary data has been taken into consideration for such a study. The study conclude that various factors related to Job satisfaction and from that review I have made the concept that demographic factors have a great impact on Job satisfaction with other factors.

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The study is aimed at finding the mental health and emotional maturity of graduate students in the context of certain demographic variables. A random sampling technique was used to select the sample. The researcher selected 300 graduate students from 10-degree colleges (5 from Govt. & 5 from Private) in two districts Hyderabad and Rangareddy of Telangana. The Mental Health Inventory of Jagadish and Srivastava, A. K. (1983) and the Emotional Maturity Scale of Roma Pal (1984) were employed to collect data in this research. Test-retest reliability was found to be 0.77 for mental health inventory. The reliability coefficient of the split-half method and test-retest were 0.74 and 0.77for the emotional maturity scale. The results of this investigation showed that significant differences occurred among graduate students when compared on the variables of type of management and academic stream, whereas insignificant differences occurred among graduate students when compared on the variables of gender, locality, and social status of mental health. Significant differences occurred among graduate students when compared on the variable of the type of management, whereas insignificant differences occurred among graduate students when compared on the variables of gender, locality, academic stream, and social status of emotional maturity. There is a significant and positive relationship between mental health and the emotional maturity of graduate students.

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Mental Health, Emotion, Emotional Maturity and Graduate students

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Manusmriti, Caste System, Brahmins, Dalits, Women, Dalit Literature, Indian Constitution.

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????????????? ?? ???????? ??? ???????????? ??????'

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????????????? ?? ???????? ??? ???????????? ??????'

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" KARYASHIL MAHILAO KE BALAK-BALIKAO KE SEKSHIK-AAKANSHAK STAR, TATHA SEKSHIK NISPATI KA TULANATMAK ADHYAYAN |'

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" KARYASHIL MAHILAO KE BALAK-BALIKAO KE SEKSHIK-AAKANSHAK STAR, TATHA SEKSHIK NISPATI KA TULANATMAK ADHYAYAN |'

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The usage of proper pedagogical tools in management education has always been a topic of discussion among the academicians. There are different opinions regarding the effectiveness of these teaching tools throughout the world. This paper is aimed at presenting and discussing various teaching pedagogical tools adopted by the business schools. The literature pertaining to the effectiveness of the pedagogical tools is reviewed and ultimately the most suitable teaching pedagogical tools for business schools in rural areas have also been suggested to improve the business skills of M.B.A students.

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Zionist, Maronites, Jewish Agency, Palestine, British Mandate, French Mandate, Arab Rebellion, Litani River, Boundary demarcation.

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health, women, nutrition, education.

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MAHATMA GANDHI KI SEWA BHAWANA

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MAHATMA GANDHI KI SEWA BHAWANA

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Post colonialism, anti-native, anti-nature

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Milk is source of minerals. Milk is an excellent source of calcium and phosphorus. Cow milk content three times calcium than that of wheat and four times than the human milk. So for healthy nation, we need quality of food & milk. But some antisocial elements have been adding some adulterants like water, urea, lactose powder etc. in milk sample. The linear and mass attenuation coefficient plays an important role in agricultural dairy, food technology, science & technology, medicines and forensics etc. In the present work, we measured the linear and mass attenuation coefficient of adulterate milk sample with lactose powder by using gamma source CO60 at energies 1.17 MeV and 1.33MeV. The experimental values are in good arrangement and then validate absorption the law. The results are represented in graphical forms. The experimental values are in good an agreement which validates the gamma absorption law.

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Linear and mass attenuation coefficient, Scintillation counter, NaI (Tl) detector, gamma sources etc.

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Health is a vital moderating factor in a child�s ability to learn. The idea that healthy children learn better is empirically supported and well accepted (Basch, 2010). Many factors influence the academic performance of a child. Some of them are socio-economic status (Sirin, 2005), parental involvement (Fan and Chen, 2001) and a host of other demographic factors. Multiple studies have confirmed that health benefits are associated with physical activity, including cardiovascular and muscular fitness, bone health, psychosocial outcomes and cognitive and brain health (Strong et al., 2005). Brain health is important across the life span, as brain is responsible for both mental processes and physical actions of human body. In adults, brain health, representing absence of disease and optimal structure and function, is measured in terms of quality of life and effective functioning of activities in daily living. In children, brain health is measured in terms of successful development of attention, on-task behaviour, memory and academic performance in an educational setting. Physical activity and fitness plays a vital role in developing the brain during childhood. Children respond faster and with greater accuracy to a variety of cognitive tasks after participating in a session of physical activity. Participating in moderate physical activity is found to increase neural and behavioural concomitants associated with the allocation of attention to a specific cognitive task. In some experimental study, children who participated in 30 minutes of aerobic physical activity outperformed those children who watched television for the same amount of time. Physical activity which is generally used as a break from academic learning time, post engagement effects of it includes better attention, increased on-task behaviours and improved academic performance. Teachers can offer physical activity breaks as part of a supplemental curriculum or simply as a way to reset student attention during a lesson. After-school physical activity programs have demonstrated the ability to improve cardiovascular endurance and this increase in aerobic fitness has been shown to mediate improvements in academic performance as well as the allocation of neural resources underlying performance on a working memory task.

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Brain Health, Physical activity, Academic performance, Responsive, Psychology

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