4. Equipment
4.1 RCA cleaning
RCA cleaning is a series of rinsing procedure prior to experiment with Si wafer. The purpose of the RCA clean is to remove organic contaminants (such as dust particles, grease or silica gel) from the wafer surface. There are three steps to be performed. The first step is to remove organic contaminant from surface of wafer. Second step is to remove any oxide layer
1.Introduction
1.1.Problem statement
Most universities in Korea do not recognize usefulness of facility management budgeting and they still keep using the same way . People are concerned about maintenance of school building less than construction and educational facilities about operation and maintenance are recognized the significance after taking place disaster. Most universities in Korea h
place after primary consolidation. Secondary consolidation is caused by creep, viscous behavior of the clay-water system, compression of organic matter, and other processes. In sand, settlement caused by secondary compression is negligible, but in peat, it is very significant.
Secondary consolidation is given by the formula
(http://en.wikipedia.org/wiki/Consolidation_(soil))
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1. Introduction
We all use math every day to predict the weather, tell the time, handle money and etc. Math is more than formulas and equations, math is related with our lifes so deeply and it is almost everywhere. So our team members are interested in the application of the math, especially ElGamal cryptosystem and the application to the splicing telephone cables.
Sometimes we use math f