water flow direction, inlet locates downside and outlet locates upside.
Through this, we can know that axial impeller is not suitable. Also, because of wide width of tank, it has poor mixing.
Second, there is a problem with chemicals. PAC is injected with Cl2, so activation of Cl2 must be restricted.
Also, using alum may cause settling.
Alum lowered pH in localized area. To overcome this
Waters’ balance sheets show that its debt ratio is high. The debt ratio was 0.925 in 2010, 0.896 in 2009, and 0.995 in 2008. Most of its liabilities are short-run debt. This short-run debt seems to be used in investing activities. According to cash flow statements from 2003 to 2010, most cash was used in investing activities. In 2010, for example, net cash flow provided by operating activities
Protection from Injuries
Adequate physical activity
Access to an improved water supply and sanitation has in general increased across Europe, resulting in an 80% decrease in diarrheal disease in young children from 1995 to 2005.
Nevertheless 120 million people do not have access to safe drinking-water now in the European Region.
Especially, more than 50% of the rural populatio
water ingested in liquids and foods
Four sites that lose water
- skin, respiratory air ways, gastrointestinal tract, and urinary tract
- Menstrual flow (in women)
The body gains sodium and chloride by ingestion and loses them via the skin (in sweat), the gastrointestinal tract, and urine.
Primary Active Sodium Reabsorption
Coupling of Water Reabsoption to Sodium Reabs
activity 리간드 4개.
구조식에서 activity를 갖는 COO-부분에 나트륨이 떨어져 나가고 대신 그 자리에 금속이온(Mn, Cu, Fe)이 강하게 결합.
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* EDTA와 EDTA-2Na의 차이점
- EDTA (C10H16N2O8)
백색의 결정