The valence atom of an alkali - metal atom has two states.碱金属原子的价原子具有两种能态.Such detergents do not yellow the wool as alkali tends to do.这种洗涤剂不会象碱那样使羊毛发黄.All the alkali metals have a single s - electron outside a closed sh...
alkali sensitive碱灵敏的; 碱敏感的The alkali halides can be grown into large crystals of excellent transparency.硷金属卤化物能生长成具有优良透明性的大晶体.available alkali有效碱Outstanding alkali resistance, can be used in post - mercerized cotton soli...
Education should be geared to the children's needs and abilities.教育应适应儿童的需要和能力.Institution of such schools was geared to these needs.这种学校的建立是与这些需要相配合的。The party is all geared up for the forthcoming election campaign...
Hereafter, the international foreign exchange market regarding this guesses blustery.此后, 国际外汇市场围绕这一猜测风起云涌....belief in the hereafter.相信死后灵魂的存在Do you believe in a life hereafter?你相信有来世吗？In 1983 , Instron established an of...