To stop or greatly slow down spoilage of food
Preventing
the growth of bacteria, fungi, and other micro-organisms
the oxidation of fats which cause rancidity
natural aging and discoloration
Drying, freezing, vacuum-packing, canning, pickling, salting, smoking, food irradiation, and adding preservatives, etc.
Various food-spoilage micro-organisms leads development of various modern techn
결합하여 생긴 탄소의 크러스터 C60을 말한다.
-12개의 5원환(員環)과 20개의 6원환으로 이루어져 있으며, 각각의 5원환에는 5개의 6원환이 인접해 있다.
-지름 약 1nm인 '나노의 축구공'을 형성하는데, 풀러렌이라는 명칭은 이 구조와 같은 모양의 돔을 설계한 미국의 건축가 B. 풀러(B. Fuller:1895~1983)의 이름
이 리뷰 논문은 Fe-only hydrogenase와 NiFe hydrogenase의 structure와 mechanism에 대하여 다양한 측면에서 고찰을 하고, 같은 hydrogenase의 일종인 이 두 종류의 구조적 측면과, 메커니즘 측면에서 비교를 하고 현재까지 보고 된 review 논문들을 바탕으로 정리를 해보았다.
Pre- Gorbachev Soviet- Vietnames Discord
To answer the aforesaid question, we need evidence, above all, from the vietnamese and Russian archives, but it may also be useful to study the declassified reports of the East European Communist diplomats who were accredited to Hanoi in the 1980s. Namely, the Hungarian diplomats whose reports I read managed to collect an impressive amount of confiden
Of the factors which enabled Hanoi to enter the phase of comprehensive reforms, some have received much less coverage than others. Despite the wide array of publications about doi moi, relatively few scholars inquired into the possible influence of external factors - diplomacy, military policies, and foreign trade - on the economic decisions made by Vietnam's reform-oriented leaders. Vietnam's po
1. Introduction
1) background and purpose of study
Germany and Republic Of Korea have similialities to bureaucracy public administration system. One of that, what ROK have to focusing on comparative public adminstration, firstly is historical background. ROK grew up as much as people call to “Four Dragons of Asia” in 1970s, wether they go through Korean war in 1950 under the Conflict the
thickness limit
Grafting from
‘‘Grafting-from’’ involves an in situ polymerization of an initiator functionalized surface with monomer.
Advantage
-can produce polymer brushes of high grafting density
-control over film thickness and composition
Limitation
-initiator surface coverage
-initiator efficiency
-rate of diffusion of monomer to active polymerization sites.
Introduction
Amino acids are molecules containing
an amine group(NH2), a carboxylic acid group(COOH), and a side-chain that is
specific to each amino acid(R).
Enantiomer (D-Amino & L-Amino)
Possibility of metabolism in the body (L-Amino acids)
No difference in chemical structure, but different in properties.
Polarized in opposite directions.
Introduction
Essential amino
Ⅰ. Introduction
1. Selected topics motivation
Southwest Airlines in the United States, many companies struggling with bankruptcy and the outlook is dark red in the airline industry 33 years has continued to fast growth to continue. Interference of large established competitors also suffered from the difficulty 9. With 11 attacks in the industry as a whole undergoing a major crisis, b