PFCs(Perfluorinated Chemicals)
Manmade chemicals, synthetic
Resistant to heat, water, oil, grease & stains
Stable, extremely resistant to breakdown
Widely used in diverse applications
Economically useful
Electronegativity of Fluorine
Partial charges in the polarized C-F bond
C-F bond
: strongest bond in
organic chemistry
: high energy bond
Two most studied compounds
2. Current situation
2.1 Business Model
- Speed and Decision making
Ortega, Castellano wanted to take advantage of the intelligence and trust the judgement of employees throughout the company, instead of relying on a small set of decision makers. So store managers were given much more responsibility than those at other large clothing chains.
A group of people at La Coruna called "co
The first Zara shop opened its doors in 1975 in A Coruña (Spain), the city that saw the Group's early beginnings and which is now home to its central offices. Its stores can now be found in the most important shopping districts of more than 400 cities.
Zara is present in 72 countries, with a network of 1.292 stores in prime locations of major cities. Its international presence is a testam
1.1 Study Designs
․Retrospective Studies
․Prospective Studies
※ Survival Analysis
; Deals with analysis of data that have "time to an event".
※ Survival time
; Time until an event occurs.
※ Event
; a. relapse of a disease
b. death
c. response to a treatment
; Economical,
To obtain answers quickly because the cas
almost all the markets because generally, domestic tobacco markets have been protected by government by operating a national tobacco company. However, the rapid flow of globalization and pressure to open trade borders by WTO are changing the industry’s mechanisms into becoming more global and competitive. The graph below shows that the world’s tobacco consumption volume and regional volume.
generally had offered people to get the maximum discount rate of 50% of the original price which was extremely risky for them. This policy is come from the quotation “The best solution is a cash flow to increase market share and to be funded daily. It is better to sell more tickets on discount rate than not to sell anything.” However, this was just suicidal for all the companies participated
generally.
According the CNN take about the safest airlines, we know that commercial aviation is one of the most heavily monitored industries in the world and statistically the much-cited comparison bears out: you are much less likely to die in an airplane crash than in a car accident. Moreover, in these days, for safety sensitive to the social atmosphere, the safety is the most important ar
Ⅰ Introduction
1. Topic Explanation
- Seoul Metro
Seoul Metro is a public corporation which runs the Seoul Subway Lines 1 to 4. Founded as Korea’s first subway system provider on August 15, 1974 to provide mass transportation to the citizens of the Seoul Metropolitan area, Seoul Metro was the first local public enterprise to be established under Article 49 of the Local Public Enterprises a
기업의 역사
2003.6 Eberhard 와 Marc Tarpenning 테슬라모터스 설립.
2004.4 페이팔 (PayPal)의 설립자 엘론 머스크 테슬라모터스에 투자 후 이사회참여
2007.2 뉴멕시코주에 3천5백만달러 규모의 플랜트 설립계획발표.
2008.03 10만 9천달러의 가격의 로드스터 출시, 이후 2750대 판매기록 테슬라 모델 S 출시계획 발표
Ⅰ. Introduction
1-1. The reasons why our team choose Lotte Hotel.
Lotte hotel was founded in the spirit of contributing in the modernization and advancement of Korea’s hospitality industry and building a hotel of world-class scale and facilities to represent the fast-growing Seoul.
The reason why our team chooses the Lotte hotel is that Lotte hotel is the first domestic hotel brand to