1. Introduction of POSCO
Pohang Iron & Steel Company (POSCO) was founded in 1968. PARK Tae-joon led the whole establishing process and became a first CEO of the company. It was due to the ‘special’ relationship with ex-president PARK. The money invested by the Korean government was provided by Japan and US as loans and grants. Compensation payment for colonial rule damages of Japan also inv
(1)Place 0.75(∓0.001g) unknown sample in 250ml beaker
and add 100ml distilled water.
(2) Do Experiment in the same way with Experiment A.
(3) Calculate mass and percentage of Na2C2O4 in unknown oxalate. And Calculate ratio in the same way with Exp A.
1. 실험 목적
이번 실험의 목적은 크게 세가지로 나누어 볼 수 있다.
①소음을 측정하는 기기들의 사용방법을 익히고 친숙하게 한다. 책에서 이론상으로 배워왔던 내용들을 Sound Level Meter 라는 소음측정기기로 주변에서 흔히 찾아볼 수 있는 소음원들의 소음도를 측정함으로써 이론을 더욱 확실히
1. Introduction
1) Definition of preservation and food-spoilage micro-organisms
Food preservation is the process of treating and handling food to stop or greatly slow down spoilage (loss of quality, edibility or nutritive value) caused or accelerated by micro-organisms. Some methods, however, use benign bacteria, yeasts or fungi to add specific qualities and to preserve food (e.g., cheese, wine
Airport management, in common with others involved in the operation of elements of the civil air transportation system, are required to take measures that will provide a high level of protection of buildings and equipment (including aircraft), in addition to ensuring the safety and personal security of passengers and staff using the system. This must be done in manner that disturbs the normal ope