• 전기전도도 검출기(electric conductance detector)
분자량 및 분자량 분포 측정
Unknown smaple → Broad Peak
Mi : 표준물질과 비교하여 retention volume 에 따라 측정
Ni : 각 peak의 높이 hi는 solution의 굴절률에 비례하고 굴절률은 고분자의 total effective volume, 즉 고분자의 길이와 고분자의 개수에 비례
<중략>
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<오존층파괴>
대류권 상층부로부터 약 50 km 고도까지는 기온이 계속 상승하여 약 50 km 고도에서 0℃(273 K)의 기온을 나타내는 안정한 대기층으로 주로 분자 확산에 의해 기체의 이동이 이루어지는데 이 층을 성층권이라 한다. 대기중에 포함되어 있는 오존전량(total ozone)을 지상 기압으로
1. Introduction
1) reason of choice MSA
Health insurance is an insurance that pay medical cost.
We don't know when we sick, what we catch disease or how we sick.
And when medical cost is big, it is a burden on people.
So insurance exist as way to guarantee living healthy.
However, now Korean health insurance face with a crisis.
Our health insurance premium is low, so expenditure of medical
volume in government budget. Expenditure of Welfare and labor is 86.4 trillion won. That is biggest from governmental gross expenditure. If compares in last year, 5.2 trillion won (6.2%) increased. This is 30% of governmental gross expenditure increased amount. The Ministry of Health and Welfare gross expenditure increased 2.5 trillion won. This the Ministry of Health and Welfare effect which sho
total area under cultivation was still small. Cattle grazed in the summer and consumed hay in the winter. Essentially self-sufficient, Finland engaged in very limited agricultural trade.
This traditional, almost autarkic, production pattern shifted sharply during the late nineteenth century, when inexpensive imported grain from Russia and the United States competed effectively with local grain.