.... Vitrification is a semi-continuous process that enables the following operations to be carried out with the same equipment: evaporation of the waste solution mixed with the additives necesary for the production of borosilicate glass, calcination and elaboration of the glass. These operations are carried out in a metallic pot that is heated in an induction furnace. The vitrification of one load of wastes comprises of the following stages. The first step is 'Feeding'. In this step the vitrification receives a constant flow of mixture of wastes and of additives until it is .....

.... mix the food particles with a digestive juice called saliva, which is secreted in the mouth. Saliva moistens the food so it can be swallowed easily. It also changes some starches into simple sugars. It is important to chew food thoroughly to mix it well with saliva. Thorough chewing cuts food into small pieces that are more easily attacked by digestive juices. Food should not be washed down with quantities of liquid to avoid chewing. From the mouth the food is swallowed into a transport tube, named the esophagus, or gullet. A flap called the epiglottis closes the windpipe while food i .....

.... containing much sugar. For some reason or another, this appeals most to the , causing it to grow at a rapid rate. Just like any other organism, in order for to survive they need to have a significant amount of nutrition. Unlike plants, lacks the chlorophyll needed to create its own food. It feeds on the sugar of many different resources to stay alive. Some of the most popular are different fruits and nectars. Also, molasses seems to be a prime choice as the feeding ground for . When the yeast has finished retrieving nutrients from the sugars, it produces enzymes which are .....

.... systems is our solar system in history which is an interesting thought. Just because NASA has found a single cell living creature in a meteorite doesn't prove anything in my mind. Especially because of the fact that it has been on earth for 12 years when over this time the cell could have attached itself to the meteorite. Nobody knows enough about the subject to start telling the public that this is true, they should have never released it unless it were defiantly proven to be fact. NASA has a big name in the world, they should be more carefule next time. I just hope that whatev .....

.... but companies and even the nation as well. As the third wave, defined by Tofflers, becomes more widely spread across the nation and world we can only expect a far larger usage of such technological tactics, being used in the home, workplace, and even international politics. Schwartau’s definition of is, “the use of information, and information systems as both weapons and targets in a conflict,” (Schwartau 12). We are now living in a time when knowledge is power, and what is knowledge made up of? Quite simply, information. is not only becoming more rampantly used amo .....

.... and that I’d never belong anywhere.” When she was a child, her best friend was Winnie the Pooh. She felt that she had a lot in common because they both felt like misfits. Both her mother and grandmother know that Sally doesn’t know much about their Aboriginal heritage, and so therefore tell her that she is Indian. “Come on, Mum, what are we? What do the kids at school say? Anything. Italian, Greek, Indian. Tell them you’re Indian.” Eventually Sally find’s out that she is Aboriginal and by finding this out, starts her on a quest for knowledge. This feeling of having not m .....

.... to be murder. Because euthanasia poses classic dilemmas as to its morality, it is not surprising that many issues arise in the legal and medical arenas. In law, the resolution of a particular case cannot always be applied to resolve another. In the medical realm, interpretation of medical doctrine concerning treatment of terminally-ill patients can result in entirely different applications. In two relatively recent cases, the Supreme Court had to decide the future of patients that were considered to be in chronically persistent vegetative states. The courts had to decide whether to co .....

.... problems, a chronic illness, or any other traumatic event. For many people, these incidents produce a mild to moderate case of the blues. They feel "down" for a while, but they are able to continue functioning and performing everyday tasks. Although these people may experience the chemical imbalance that is the hallmark of depression, the brain abnormality typically corrects itself within a few weeks. However, in some critical cases, the chemical alteration lasts for a much longer time, this is when mild to moderate depression turns into full blown clinical depression. The same chemical .....

.... by lords and noblemen who wanted to know the secret so they could become wealthier then they already were. Basically they saw easy money and would waste their lives and money to find out how to get it. There was another side to alchemy them just changing lead into gold, people not only wanted to be rich but they also wanted to live forever. The Elixir was the substance that would extend the life of the user. They thought that the elixir would start its own transformation in the human body, incorruptibility and hence longevity. (Halleux 140) By making these substances would sometimes get the .....

.... across the southern edge of the Sahara desert. It stretches from Senegal and Mauritania in the west to Ethiopia and Somalia in the east. These nations are among the world's poorest. The area is one of social and biophysical crisis because of the way the population are forced to live; they are destroying the productivity of the land. The alarming rate of population growth and ever increasing pressure on the land have initiated an expansion of desert-like conditions into the Sahel - a process called desertification. Traditionally, the people of the drier, northern Sahel followed a no .....