Inorganic phosphor
○ A phosphor, most generally, is a substance that exhibits the phenomenon of luminescence.
○ Phosphors are often transition metal compounds or rare earth compounds of various types.
○“Classical” inorganic phosphors usually consist of a host lattice with activator ions doped into it in small concentrations, typically a few mole percent or less.
Host lattice &
Requirement of
renewable energy
Opportunity
Governmental
support
Promising
market
Competition
Threat
Exposure to
global economy
Ecomagination
GE’s commitment to imagine and build innovative solutions
that benefit our customers and society at large.
Our commitments include:
• Doubling our research investment
• Introducing mo
Low carbon green growth” policy to participate in trend of reducing emission of carbon dioxide.
2) Rising oil price
In July, 2008, Dubai oil prices exceeded $130. High demand from China and India caused the soaring of oil prices which had been stable for 20 years’ after the ‘Oil shock’ to that led to unstable condition in oil prices owing to imbalance in oil supply.
Source: Korea
Strengths
No future expenditure in electricity
Environment-friendly
Weaknesses
High initial cost of solar panels
Low efficiency of solar energy,
compared to other sources
Opportunities
Technology development can
improve efficiency of solar energy
Threats
Preference for current resources of
electricity over solar energy
The emergence of
1. Justifications of the proposed schemes -the structural problem& the chemical injection locations
2. Design impeller and tank type affecting energy efficiency, cost, flocculation size. Design Diffuser Walls and Baffles used for Minimizing Short Circuiting
3. Design launder type, structure, sludge and scum model
Filtration의 세번째 key concept 이유: (to promote readily biodegradabl