Bøger udgivet af HU BEI REN MIN CHU BAN SHE

GENERAL INTRODUCTIONKnowledge of chemical changes and chemistry of the Universe is crucial and indispensable need of our life. Life is impossible without chemistry. When two substances interact with each other a new substance may be isolated or not and this is explained in chemistry. Number of chemical reactions occurs during our daily chowrses. In all branches of science; chemistry plays a very important role.Modern human experience places a large emphasis upon material world from a day of birth to the last day of life of living being from both kingdoms, we are preoccupied everywhere. Everything else is somehow related to chemistry in which we study properties, composition and transformation of matter. It is one of the vital pillars of the natural sciences. Modern medicine is firmly rooted in the chemical nature of the human body. Chemistry has the power to explain everything in this world from ordinary to unusual.Nature itself is a natural laboratory of the Universe and at every moment diverse reactions are continuously occurring within it. Large number of organic, inorganic and co-ordinate molecules are formed and have their own importance and identity. These molecules are produced by various organisms, plant and animal kingdoms which having their natural, medicinal, industrial, pharmaceutical and biochemical applications and significances.Literature Review PhenolIn 1834; during distillation of coal tar1 Friedlieb Ferdinand Rungeisolated phenol. He studied chemical characteristics and carried out other analysis for justification of structure of phenoi2. As per German terminology he named phenol as Karbolsaure.Auguste Laurent introduced new terminology; phene for benzene 3, which became primary word in the name of phenol and later phenyl. Pure phenol was isolated by Auguste 4. Monophenols are called as simple phenols,

INTRODUCTION Concept and Definition of Personality ¿Positive expectation is the mark of the superior personality¿ Tracy (1973) The Japanese believed that personality has three aspects. The first aspect is visible to the world. The second aspect is visible to your intimate friends and your family. The third one is never visible to anyone. It is the trust reflection of who you are. Mostly people say that personality never makes an individual different from another. Statements like Swami Vivekananda was a great personality or environment teacher of ours does not possess an impressive personality and Neeli has no personality at all are genially heard which speak volumes about individual differences that exist among people. Personality in values diverse and complex cognitive process, it represents the person as a whole concept. It includes perception, learning, and many more. Definitions of Personality The most essential psychological aspect of a person's life is personality. It comprises our thoughts, feelings, motives, skills and behaviours. The term of personality has been taken from the Latin word ¿persona' ¿meaning mask'. Mask is a thing that distinguishes a person from the others. Inner self represent the true personality. Personality is a stable set of tendencies and characteristics that determine those similarities and difference in people's psychological behaviour and intension of connection in time and that may not be easily understood as the individual result of person. Guliford (1897) opined personality as ¿A person unique pattern of traits' Cattel (1929) state personality as ¿That which permits a prediction of what a person will do in a given situation' Allport (1937) believed ¿Personality as the dynamic organization within the individual of those psychophysical systems that determine his characteristics behaviour and thought' Kelly (1955) believed ¿Personality is the organization or pattern of personal characteristics that determine the unique adjustment to the entire environment,

INTRODUCTION 1.1 OVERVIEW Internet addiction has emerged as a significant area of research since 1996. For the first time, Internet addiction was researched by Young in 1996 and the findings were presented at the American Psychological Association. The study was based on reviewing over 600 cases of internet users who exhibited clinical signs of addiction while being measured through an adapted version of the DSM-IV criteria for Pathological Gambling. Studies conducted way back attempted to define Internet addiction and evaluate the behavioral patterns that differentiated compulsive from normal internet usage. Many studies have researched the factors or causes related to the disorder. Many other recent studies have investigated the etiologic factors or causes associated with the disorder. Many of the studies examined the computer mediated communication and its impact on the way people will adapt to interactive features of the internet. The studies initiated from the United States and then have spread into other countries like Russia, China, Taiwan, and the United Kingdom. Ivan Goldberg (1995) for the first time proposed internet addiction disorder as a mental disorder in a satirical hoax. It refers to an individual's inability to control the urge to deal with social media platforms, be online which results in uncontrolled internet use. It has many unfavorable consequences in life such as increased level of stress, reduced social interaction, and loss of interests in daily activities, education and occupation (Aboujaoude,