rate; CIR): 특정 기간 폐쇄된 집단에서 질병이 발생할 가능성이 있는 사람들 중 새로운 질병에 걸린 사람의 분율을 뜻함.
· 누적발생률을 구할 때 연구 대상이 되는 모집단은 고정되어 있고 변하지 않음.
· 예를 들어 20년 동안 특정 모집단의 1000명의 인구 중에서 70명의 환자가 생겼을 시에는 누
Ⅰ. Background
1. Rising Incidence rate of Cancer
출처: 국가암정보센터
About 6.2 million people globally died of cancer and 10.1 million people are newly developing cancer. If same as above , by 2020, 10 million people each year may die of cancer and 10.1 million annual cancer incidence is expected to 50% increasing-15.7 million people. Korea's annual cancer-developed men are
Ⅰ. Background
1. Rising Incidence rate of Cancer
출처: 국가암정보센터
About 6.2 million people globally died of cancer and 10.1 million people are newly developing cancer. If same as above , by 2020, 10 million people each year may die of cancer and 10.1 million annual cancer incidence is expected to 50% increasing-15.7 million people. Korea's annual cancer-developed men are
1. Definition of HIV / AIDS
Human immunodeficiency virus (HIV) is a lentivirus (a member of the retrovirus family) that causes acquired immunodeficiency syndrome (AIDS), a condition in humans in which progressive failure of the immune system allows life-threatening opportunistic infections and cancers to thrive. Infection with HIV occurs by the transfer of blood, semen, vaginal fluid, pre-ejac
2. Objective
1) To investigate of solid-liquid mixture flow characteristics in a slim hole annulus
2) Effect of pipe rotation, fluid property, annulus inclination on the particle transport velocity, transport efficiency and pressure drop
3. Theoretical background
3.1 Reynolds number
Reynolds number can be defined for a number of different situations where a fluid is in relativ