Telco Churn Rate Analysis - AEDA Capstone Sook Yen Wong
Working with a team of tech-savvy data scientists, business analysts and IT engineers to develop a Capstone project presentation with Python, SQL, Data Storytelling and Tableau within 2 days! We managed to crack the code with data and provide ideas and solutions to better improve the churn rate for Telco!
Mandarin Oriental's "Fan Campaign" has generated 400% returns since its inception.
Find out how does this advertising strategy helps generate extravagant revenues for Mandarin Oriental :)
Alibaba is one of the top internet company that shines in this digital age.
I learn that simplicity is the key when they work on their company culture.
Great learning from Jack Ma!
Telco Churn Rate Analysis - AEDA Capstone Sook Yen Wong
Working with a team of tech-savvy data scientists, business analysts and IT engineers to develop a Capstone project presentation with Python, SQL, Data Storytelling and Tableau within 2 days! We managed to crack the code with data and provide ideas and solutions to better improve the churn rate for Telco!
Mandarin Oriental's "Fan Campaign" has generated 400% returns since its inception.
Find out how does this advertising strategy helps generate extravagant revenues for Mandarin Oriental :)
Alibaba is one of the top internet company that shines in this digital age.
I learn that simplicity is the key when they work on their company culture.
Great learning from Jack Ma!
17. ♦ Fe2+ 和 Fe3+ 都可以與 H2O2 作用,分別生成
O• −
2
;還可進一步被生成的
˙OH 和
˙OH 和
O• −
2
氧化,還原生成相應的 OH- 和 O2˙ 。
Fe 2 + + H 2 O 2 → Fe 3 + + •OH + OH −
Fe 3 + + H 2 O 2 → Fe 2 + + O • − + 2H +
2
• OH + Fe 2 + → Fe 3 + + OH −
•−
3+
2+
O 2 + Fe → Fe + O 2
鐵鹽
淨反應: 2 O 2 → 2H 2 O + O 2
2H
18. 2. 銅:銅有兩價態, Cu2+(Cuprous) 和 Cu2+
(cupric)
Cu 2 + + O • − → Cu + + O 2
2
Cu + + O • − → Cu 2 + + O 2 −
2
2
O 2 − + H + → H 2O 2
2
淨反應:O • − + O • − + 2H + → H 2 O 2 + O 2
2
2
19. 銅鹽由於變價而使二分子 O • −轉變成 H2O2 和 O2 ,銅鹽起
2
著催化劑作用。銅鹽也可以與 H2O2 反應生成 ˙OH 。
Cu + + H 2 O 2 → Cu 2 + + •OH + OH −