1. 목적
가속도 측정 방법의 종류와 원리에 대해 알아 보고, 가속도 측정 장치를 이용하여 단순 진동 실험을 해 본다. 실험 결과를 가지고 감쇠계수와 주기를 구해 본다.
2. 실험 원리 및 이론
◈ 가속도
- 시간에 대한 속도의 비율.
- 경사진 평면을 따라서 공을 굴리면 공은 구르기 시작한 후
Ⅰ.서론
상추는 예전부터 재배되었던 아시아와 유럽의 채소였다. 줄기에 달린 잎은 점차 성장하면서 작아지고, 윗부분에 달린 잎은 밑 부분이 화살 밑 모양으로 줄기를 감싸며 가장자리에 불규칙한 톱니가 생긴다. 상추는 주로 샐러드나 쌈을 싸 먹는데 이용되고 겉절이로도 먹는다. 비타민과 무기
1-1. CESCO (Chunwoo Environment Service Co. LTD)
CESCO is the fifth biggest insect control company of the world, the biggest pest control company of the Asia. It provides total hygiene service about infectiousness malignant bacilli which can cause many kinds of disease and hamper a life environment. It has an advanced Research and Development system of pest control and the biggest plenty of cust
1. Objective 1)
PVA(poly(vinyl alcohol)) is prepared by hydrolysis of PVAc(poly(vinyl acetate)), which is synthesized by emulsion polymerization of vinyl acetate.
2. Theory
1) Monomer 7)
A monomer is an atom or a small molecule that may bind chemically to other monomers to form a polymer. The term "monomeric protein" may also be used to describe one of the proteins making up a multiprote
2.1 E-Mart
Shinsegae E-Mart, which is first hypermarket and discount store in Korea, opened the first store in 1993 by Shinsegae Group. In 2006, it acquired Wal-Mart Korea Co., Ltd. which marked the opening of the 100th store. E-Mart is Korea's "first" and No. 1 discount store with 136 stores in Korea and 28 stores in China (as of October, 2011). With the spin-off from Shinsegae Department Stor
1). Management Philosophy
Hyundai Motors philosophy is to realize the dream of mankind by creating a new future through ingenious thinking and continuously challenging new frontiers. The concept consists of three frames; 1) Realization of Possibilities, 2) Unlimited Sense of Responsibility, and 3) Respect for Mankind.
2). Core Values
HMC defined their new corporate philosophy based on their ex
First, let’s have a brief look at the contents of this presentation.
We’re going to start with the background knowledge of India,
Followed by 4P mix and SWOT Analysis.
And in the end, we will tell you about the prospect and what Hyundai might need to do in the future.
First of all, let’s have a look at some economic rates of India.
Since we didn’t think that it is necessary to sho
1 Introduction
We're used to take a break or go somewhere for rest. But in Korea, the "leisure" wasn't usual concept for Koreans. Before 70's, we were too busy to have leisure time. But we held the Asian Games in 1986 and Olympic Games in 1988. After that, Leisure became popular and the demand of leisure made a huge increase. And also the law of travel restriction was removed. And increasing dem
Representative Foods which need thorough management control about temperature of all making process and product delivery vehicles
Motive of the research
Safety administration announcement(2009.6.30) -Encourage the period of circulation on the basis of refrigeration circulation on Fruit vegetables beverages below 10°C
Require the research development about non-heating production proce
1. Background
Scent: Odor
The sense of smell gives rise to the perception of odors, mediated by the olfactory nerve. The olfactory receptor (OR) cells are neurons present in the olfactory epithelium, a small patch of tissue in back of the nasal cavity. There are millions of olfactory receptor neurons that act as sensory signaling cells. Each neuron has cilia in direct contact with air. The