【简答题】Match the sentences with the translation
【单选题】新型可充电钠离子电池因具有原料储量丰富,价格低廉,安全性高等优点而备受青睐,而 Fe[Fe(CN) 6 ] 因理论比容量较高,充放电过程中材料结构稳定,有利于 Na + 的可逆脱嵌,可以作为一种非常有潜力的正极材料,下列说法不正确的是
A.
.放电时, Fe[Fe(CN) 6 ] 上的电势比 Zn 片上的高
B.
.放电时,正极反应为 Fe[Fe(CN) 6 ]+2Na + +2e - =Na 2 Fe[Fe(CN) 6 ]
C.
.充电时,外电路中通过 0.2 mol 电子时,阴极质量增加 6.5 g
D.
.对于正极材料,充电可实现 Na + 的嵌入,放电可实现 Na + 的脱嵌
【简答题】Match the sentences.
【简答题】Task I. Spell the wright words according to phonetic symbols. 1. [ ˈ bæl ə ns] 2. [ ˈ ga ɪ dla ɪ n] 3. [ ˌ trænsp ɔ : ˈ te ɪʃ n] 4.[r ɪˈ str ɪ k ʃ n] 5. [ ˈ p ɜ :t ʃə s] 6.[ˌentəˈteɪnmənt] 7.['kaʊns ə...
【简答题】题目二,打印杨辉三角形前10行,如下图:
【简答题】Please write the first paragraph and the body part according to the following writing task. You are encouraged to develop the body part by illustration and/or cause and effect . Your essay can not be ...
【简答题】Task 1 Read the the summary of the report on p.107-108, and choose the most suitable heading from the list A-G for paragraph 2-7. There is one extra heading which you do not need to use. A. Evidence o...
【简答题】Match the sentences.