I. Environment Analysis
Introduction
Lately, South Korea's cosmetic companies are actively entering Japanese market. In particular, low-priced brand companies entering are remarkable. Continuing the long-term recession, Japanese consumers find inexpensive cosmetics. Through this period, cosmetics of South Korea draw popular through low price and good quality. Celebrity publicity is also inf
What is Amorphous metal?
Polycrystalline grains of varying shapes and sizes
Misaligned planes of atoms slip past each other easily, absorbing energy and allowing dislocations to move, making deformation permanent.
Grain boundaries represent weak spots
Also called Metallic glasses or glassy metals
Cooled faster than atoms can rearrange into a crystal.
Dislocation movement obstructed s
1. Listening Comprehension
1~3) Listen to the following and answer the question.
Pre-history
Prior to the release of bitcoin there were a number of digital cash technologies starting with the issuer based e-cash protocols of David Chaum and Stefan Brands. Adam Back developed hashcash, a proof- of-work scheme for spam control. The first proposals for distributed digital scarcity based cryp
(DIV 1.1 - Articles and substances having a mass explosion hazard.
DIV 1.2 - Articles and substances having a projection hazard but not a mass explosion hazard.
DIV 1.3 - Articles and substances having a fire hazard, a minor blast hazard and/or a minor projection hazard but not a mass explosion hazard.
DIV 1.4 - Articles and substances presenti
Material balance approach & the fundamental perspective
1)-1. The basic approach: material flow cycle
Material balance approach puts emphasis on the concept of material flow cycle. In general perspective it provides a fundamental explanation about the reason why these situations occur and cause the problems. Resources taken from the nature are consumed in human’s activity and particularly an