What do you understand by the term “Lancefield groups”? History In the early 1930’s Rebecca Lancefield recognized the importance of serological tests for the identification of organisms. The system is based on specific antibody agglutination reactions with cell wall carbohydrate antigens (C polysaccharides) extracted from the streptococci. Lancefield also showed that further sub division of group A into specific serological types was possible using type-specific M (protein) antigens. The groups
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and glass industry etc.It has two ways of grinding: dry process and wet process. Ball mill maintenance and repair is a regular work. The quality of maintenance and repair will affect the Ball Mill’s operation rate and life time. Here will introduce how to maintain and repair the Ball Mills. Mill operate normally‚ the operation conditions remain unchanged‚ the running current hongxingly is remained in the rated range . When grinding machine is gave more amount and operate operate normally to causes
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Define the word “leadership”. How would you characterize yourself as a leader? John Maxwell once said‚ “a leader is one who knows the way‚ goes the way‚ and shows the way.” Leadership is the responsibility to be able to guide and inform those around you. It can developed from influence‚ but has to be earned. As Maxwell suggests‚ becoming a leader does not need a specific title‚ leaders lead by example. One may become a leader in their community‚ their school‚ and even their family‚ all without
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Why did he lie to me all this time I was sad inside of me thinking that he had a mother. I wanted to be his mother I felt shivers when the lady told me that Jerry didn’t have a mother and I was angry. In my mind all I saw was images of Jerry and clues that he would tell me.! I felt so stupid! The first thing that I thought about was to go and look for him. I ran as fast as could and my dog passed me in an instant. My breath was so heavy that I felt that I was about to drop out and pass out. I stopped
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�PAGE � Environmental Hero Tsunamis are killing unprecedented numbers of people… Coastal cities are sinking from increasing water levels… Godzilla may rise from the deep and wreak havoc on humankind… And such are just some of the outcomes that air pollution may bring… Hold it! I know-we ’ve heard this all a million times! But as dreary as the conversation may be‚ it is nonetheless a conversation worth having. The harsh reality is that air pollution is a great problem‚ and the way in which we
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1. How does Twilight define good and evil? Note that the epigraph to Twilight refers to a verse in Genesis regarding "the tree of the knowledge of good and evil‚" representing the dangers of knowing too much about what really is good or evil. This is related to the cover art‚ where apparently an Eve figure is holding out an apple from this tree for Adam to eat. This opening reference suggests that Bella is a serious problem for Edward. He is often trying to withhold knowledge from her‚ but she is
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reality is objective‚ “out there‚” and independent of the researcher -- therefore reality is something that can be studied objectively; • the researcher should remain distant and independent of what is being researched; • the values of the researcher do not interfere with‚ or become part of‚ the research -- research is value-free; • research is based primarily on deductive forms of logic and theories and hypotheses are tested in a cause-effect order; and • the goal is to develop generalizations
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The place I feel content isn’t the place I ever expected it to be. The very place I think of when I think to where I feel perfectly content is a fire pit behind my house. In my opinion it is in the perfect location. It is surrounded by trees and the pit is made of stones that were found in the woods. There are 3 benches surrounding it that sit perfectly into the earth around them. It looks like a picture cut out from a magazine. I could sit there for literally hours. The first time I realized
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"What do you want to be when you grow up?" It is such a typical question‚ yet it compels children to venture into their innocent minds and let them imagine the world full of possibilities and encouragements. Their responses vary‚ ranging from superheroes to the President of the United States. But how would the little ones react when they were told‚ "You are not talented or smart enough. Try again." Their dreams would be shattered into millions of pieces and their hopes would be lost forever. Plummeting
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1. Define difference and inequality Difference as per the dictionary definition would convey the points of dissimilarity for example the observational differences between men and women‚ however difference in the social sciences and humanistic context‚ difference contrasts‚ social groupings such as the different nationalities‚ ‘gender‚ class‚ age or sexuality’1However difference is not limited to these alone it may take the form of the attitudes and preferences held by individuals. Distinction
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