alkali

相关例句

• The alkali halides can be grown into large crystals of excellent transparency.(碱金属卤化物能生长成具有优良透明性的大晶体。)
• The influences of curing temperature and alkali contents of cement on expansion of mortar bars are investigated.(研究了养护温度和水泥碱含量（质量分数，下同）与硅质集料砂浆试样膨胀的关系。)
• 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。)
• The extremely salty, alkali lake holds little life, but its waters are a favorite spot for wading birds.(其味极咸，碱湖保存了湖中的小生命，但其水域仍为涉水鸟所喜欢的地方。)
• Anticorrosion: the material for polymer, can completely prevent acid and alkali salt of erosion.(防腐：本物质为高分子聚合物，能彻底防止酸碱盐的侵蚀。)
• Nickel has a high corrosion resistance to acid and alkali, rust and heat resistance at high temperature.(镍对酸碱有较高的耐腐蚀才能，在高温下有防锈和耐热才能。)
• The optimal conditions for synthesis of alkali green 4 include the carbamide and zinc chloride as catalyst, chloranil and bichrome.(合成碱绿色4的最佳条件包括：尿素和氯化锌作为催化剂，四氢呋喃和双色。)
• Regional experiments in each county of Hetao provide scientific basis for large area planting in the North landlocked saline-alkali area.(通过在河套灌区各旗县的区域试验，为在北方内陆盐渍化地区大面积种植提供了科学依据。)
• Also there are many ancient trees, which would have been damaged by the alkali from the cement. We have had to install a special irrigation system.(还有，这里有许多古树，水泥的碱会损坏这些它们，我们不得不安装一个特殊的灌溉系统。)
• Another example is methyl orange, which is red in acids and yellow in alkali solutions.(另一个例子是甲基橙，它在酸性溶液中为红色而在碱性溶液中为黄色。)