Individual solid particles are characterised by their size‚ shape‚ and density. 1.1 Particle shape The shape of an individual particle is expressed in terms of the sphericity F s‚ which is independent of particle size. The sphericity of a particle is the ratio of the surface-volume ratio of a sphere with equal volume as the particle and the surface-volume ratio of the particle. For a spherical particle of diameter D p‚ F s =1; for a non-spherical particle‚ the sphericity is defined as Dp:
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Classification of tourism: Winter tourism: Definition : holidays in ski resorts and snow – related activities Famous winter holiday spots in India: - Shimla : a wonderful winter holiday resort - Manali - Jammu and Kashmir (Gulmarg ‚ Pahalgam) - Sikkim - Tawang (Arunachal Pradesh) -Major ski resorts are located mostly in the various European countries (e.g. Andorra‚ Austria‚ Bulgaria‚ Bosnia-Herzegovina‚ Czech Republic‚ France‚ Germany‚ Iceland‚ Italy‚ Norway‚ Poland‚ Serbia‚ Sweden
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PERIODIC CLASSIFICATION OF ELEMENTS Introduction There are 115 elements that are known at present. Some elements have similar properties whereas some others have completely contrasting properties Scientists began to look for some pattern in the properties of these elements Dobereiner’s triads In 1817‚ Johann Wolfgang Dobereiner‚ a German chemist‚ classified elements into groups based on their properties. He kept all elements having similar properties in one group. Most of his groups had three
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Classification of Different Types of Perfume The first cosmetic that was developed is called ‘per fumum’ in latin which means ‘penetrating smoke’ the first use of this cosmetic goes up to 4~5 thousand years back. It was used to make them clean their body and smell good by burning woods and extracting liquid form leaves which then was used on their body when they are serving God. They found out that heated animal fat and fragrant oil created very strong scent. These perfumes are categorized in
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Thesis Statement: College students come from all different types of backgrounds. Most come directly from high school‚ some are returning from a period of "finding themselves"‚ some are trying to climb the corporate ladder‚ and then there are "moms" who want to start a career now that their children are in school. Regardless of their origins‚ college students come in all shapes and sizes and each easily identifiable from a mile away. A. Direct high school graduates 1. appearance 2. attitude
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About Narrative Essay Narrative essay is a popular topic on the Continuous Writing section and students should take note that this topic has appeared in the SPM examination almost every year since the paper was introduced. Many people think that writing a story is a difficult task‚ but believe me‚ it is much easier than what you think because you are not confined to any particular point. Therefore‚ you are free to voice out everything that is in your mind. A narrative essay is a piece of writing
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INTRODUCTION Throughout the history of the world‚ there have continually been attempts made to record culture by people who saw the importance of preserving the knowledge of their own civilization. The degree and nature of this activity varied as did the peoples; and have ranged from simple cave paintings to more sophisticated systems of classification seen in ancient institutions‚ such as the Alexandrian Museum and Library. Cultural relevancies and temporal developments have always been deciding
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Gaming essay The world of gaming is a complex world; different levels‚ stories and characters. It takes a while before you can fully understand the world of gaming and what’s attracting people to begin with gaming. There are so many different games and terms that it is easy to get them mixed up with each other. So why is there so many people that like’s gaming? And is it really good way of learning? In this essay I will investigate why some people think that gaming is a good way of learning and
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Periodic Classification of Elements Classification of Elements according to electron configuration ( type of subshell being filled) *valence electrons –outer electrons of atom which are those involved in chemical bonding ; accounts for similarities in chemical behavior among elemens within each of this groups * Representative elements/ Main Group elements * Group 1A-7A * Incompletely filled s/ p subshells * Display a wide range of physical and chemical properties
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The two classes of vitamins are Fat – soluble vitamins and water – soluble vitamins. Fat – soluble vitamins include vitamin A‚ vitamin D‚ vitamin E‚ and vitamin K. These vitamins are considered fat soluble vitamins because they are stored in the body for long periods of time and are harder to break down‚ while water soluble vitamins are not. Water – soluble vitamins include vitamin B1 (thiamin)‚ vitamin B2 (riboflavin)‚ vitamin B6‚ vitamin B12‚ and vitamin C‚ folic acid‚ and niacin. These vitamins
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