alkali

alkali音标

英 [ˈælkəlaɪ]

美 [ˈælkəˌlaɪ]

alkali基本释义

n.碱

alkali用法及例句

noun

1. any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water

e.g. bases include oxides and hydroxides of metals and ammonia

Synonym: base

2. a mixture of soluble salts found in arid soils and some bodies of waterdetrimental to agriculture

1. 碱An alkali is a substance with a pH value of more than 7. Alkalis form chemical salts when they are combined with acids.

1. 碱：在欧洲的炼金术文献中,有许多从阿拉伯语和波斯语借用的词汇,它们通常以音译的形式出现,如:硫(abric),碱(alkali),锡(alcazdir),酒精(alcohol),氯化铵(almizadir),硼砂(anticar),脂肪酸盐(asabon),狮子(ased),熔炉(athanor),

2.

2. 碱,强碱：hydrogen sulfide 氢化硫 | alkali 碱,强碱 | ammonia 氨

3. 碱性,强碱：Alignment check 定位检查 | Alkali 碱性,强碱 | Alkali degreater 碱脱油剂

4. [化]碱：alcohol thermometer 酒精温度计 | alkali [化]碱 | anti-fogging agent 防雾化剂

The limitless alkali of the Arizona plains.

出自：S. E. White

Little to see but..alkali flats and sand-hills.

出自：attrib.

近义词

临近词

base底部

alkalic

alkality

alkalied

alkalise

alkaline

alkalize

alkalies

alkalion

alkalify

alive

alkalis

alkaliod

相关列句

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*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。)