2.1.2. 박테리아의 개체 수를 세는 법
미생물학자들은 다양한 방법으로 박테리아의 개체 수를 센다. 현미경으로 직접 세는 직접적인 방법부터 electrical resistance나 ATP production을 이용하는 간접적인 방법까지 다양하다.
Plate counts라는 방법이 있는데 배양기의 샘플을 한천표면에 발라 생기는 colony를 세어
3. Forecasting
1) Macro Economic Factors
(1) Economic GrowthRate
Such like above chart, GDP will be marked at 5.2% level in 2006, also in 2007 and 2008 will be prospected to keep about 5% level. Exports and imports of goods and services are each 11.8% and 11.1% which increase comparing with that of 2005.
Evaluation of macro factors)
The GDP growthrate in 2006 is 5.2%, the infl
Foreign Market Selection
Economic growthrate
Although they are relatively poor, are growing so rapidly that they are attractive to invest
Economic growthrates -India
The economy of India started accelerating from the early 1990s as Delhi loosened bureaucratic controls over industry, trade and services
GrowthRate과 Doubling Time을 계산하기로 한다.
2. 실험이론
예비보고서 참조.
3. 실험방법
A. Reagents
i. Escherichia coli
Gram-negative, Non-sporulating, Facultative Anaerobic 박테리아로 37°C 정도에서 가장 활발하게 생식한다. 최적의 환경에서 20min. 정도의 Generation Time을 가지며 주로 대장에서 기생한다.
ii. Ye
rate declined rapidly and is now lower than the infant mortality rate in the United States. The reduction in infant mortality brought a dramatic increase in life expectancy, which is now among the highest in the world for both males and females. It also resulted in very rapid population growth during the 20 years after 1955.
Another abrupt demographic change occurred more recently, halting the r