activities
Amusement : it consists of diversions such as games and the satisfaction derived from playing them. This chapter presents an overview of games and gambling because they play an important role in generating revenues around the world.
Entertainment refers to live and mediated performance experiences such as a concert, dance, or drama, including the pleasure received from viewing comedy
◆ Modern Society and Web 2.0
Web 1.0 era as the word of "sea of information", we are exposed to a lot of information. Regardless of distance and time, we can easily send information as well as our own private information. Also, the amount of data, in 1989, the European Particle Physics in Switzerland, developed hypertext and MOSAIC invented first web browser in 1993. Those changes helped to
an engine and a secondary cell. These sources work respectively or simultaneously according to the driving condition to increase efficiency. Hybrid cars run on battery power at low speeds and switch to traditional internal-combustion at higher speeds. Since the capability of a secondary battery is not enough to replace the existing engine, it still needs to have both battery-powered motor and eng
Limitations & Suggestions
1. The students can be overwhelmed by the requirements. That is, making a news script from an article and having news broadcasting in front of the class can be somehow difficult for them to perform.
In general, speaking in front of the class is considered demanding for Korean students. For the more, having news broadcasting in front of their peers can give
Laboratory Monitoring of Patients with HIV Infection
Patients with CD4+ T cell counts <200/L are at high risk of disease from P. jiroveci, while patients with CD4+ T cell counts <50/L are at high risk of disease from CMV, mycobacteria of the M. avium complex (MAC), and/or T. gondii. Patients with HIV infection should have CD4+ T cell measurements performed at the time of diagnosis and every 3&
Dongyoung Cold Plaza
-Size : 1,500-pyeong
Factory facilities
-80,000tons of
refrigerating facilities
-12,000-ton cold store
☞Capable of processing
up to 50 tons/year
Total Time = 160 sec
About 100 tuna cans can be produced
per tuna
→ Assume a whole tuna as a unit
Total Time = 160 seconds
The factory is operated 10 hours/day
418 tunas/da
2.5.1 고분자 전해질 막
고분자전해질 연료전지의 전해질은 H⁺를 전달하는 고분자 이온교환막을 사용한다. 고분자막은 anode와 cathode사이에서 수소이온의 전달체 역할을 하는 동시에 산소와 수소의 접촉을 막는 역할도 한다. 따라서 고분자 전해질 막은 수소이온전도성은 높아야 하는 대신 전자의
3. Plot of the movie, the Godfather
The story begins as "Don" Vito Corleone, the head of a New York Mafia "family", oversees his daughter's wedding. His beloved son Michael has just come home from the war, but does not intend to become part of his father's business. One day, there was an attack from rival to assassinate Vito Corleone. Because of this assault, first son Sony became a leader for a
an essential ingredient in explosives, via the Ostwald-Bauer process invented by Germanchemist Wilhelm Ostwald (1853-1932) in 1901. During World War I, synthetic ammonia was used to manufacture ammunition after Germany's nitrate supplies had been cut off.
Commercial ammonia synthesis takes place in large steel reactors that are designed to withstand very high pressures (up to one thousand atm