alkalis
英['ælkəlɪs]
美['ælkəlɪs]
- n. 碱金属
- 名词akali的复数形式.
详细释义
名词 alkali:
-
any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water
-
a mixture of soluble salts found in arid soils and some bodies of water; detrimental to agriculture
双语例句
- 1. Alkalis counteract acids.
- 碱中和酸。
youdao
- 2. Acids neutralize alkalis and vice versa.
- 酸能使碱中和，碱亦能使酸中和。
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- 3. Acids neutralize alkalis and vice versa.
- 酸能使碱中和，碱也能使酸中和。
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- 4. Moreover it is chemically inert to most acids and alkalis.
- 此外，它是一种惰性气体，对大多数酸和碱。
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- 5. Several methods to prevent alkalis from jeopardizing are provided .
- 给出了预防碱金属危害的方法。
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- 6. Weak alkalis ionize partly ( ionize ) in water to give hydroxide ion.
- 弱碱在水中部份电离，放出氢氧离子。
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- 7. F-type for the transmission acids, alkalis and other corrosive liquids.
- 耐腐蚀泵(F型)用于输送酸、碱等腐蚀性液体。
youdao
- 8. White flake or colorless clear liquid. It is one of the strongest alkalis.
- 白片状固体或无透明液体，属强碱，有强腐蚀性。
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- 9. Fresh water, Sewage, Sea water, Air, Vapour, Food, Medicine, Oils, Acides, Alkalis, Salts etc.
- 淡水，污水，海水，空气，蒸汽，食品，药品，各种油类，酸类，碱类，盐类等。
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- 10. They dissolve readily in water, dilute acids, and alkalis but do not coagulate readily on heating.
- 组蛋白在水中很容易溶解，其水溶液呈弱酸性和碱性，加热时不立即凝结。
youdao
- 11. Ordinary concrete can be used in some areas, but it is subject to attack by strong acids and alkalis .
- 普通的混凝土可以用于一些区域，但它是受攻击支配由强的酸和碱。
youdao
- 12. Ordi-nary concrete can be used in some areas, but it is subject to attack by strong acids and alkalis.
- 普通的混凝土可能被使用在一些区域，但它是依于攻击由强的酸和碱。
youdao
- 13. It can be used for general service steam, gases, solvents, mild acids, alkalis and most abrasive liquids.
- 能应用于一般工况下的蒸汽、煤气、溶剂、中酸、中碱及大多数易磨损介质。
youdao
- 14. As well as being resistant to treatment, they can also survive attack with acids, alkalis and detergents.
- 不仅对药物抵抗，它们在酸、碱和去污剂中同样能很好存活。
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- 15. Acids tend to cause less damage than alkalis as many corneal proteins bind acid and act as a chemical buffer.
- 酸所造成的破坏要弱于碱性物质，因为许多角膜蛋白质可结合酸并起到化学缓冲的作用。
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- 16. In the granites and related rocks the alkalis are, of course, noticeably in excess of the femic constituents.
- 在花岗岩及有关的岩石中，碱质当然显著地超过铁镁组分。
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- 17. The oxidation products formed on the mineral surfaces under this condition are as the same as without alkalis.
- 在该条件下，矿物表面的氧化产物和无碱时相同。
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- 18. Liquids such as water, alkalis, acids, and oiproducts, are unable to penetrate as their own tension prevents it.
- 水、碱金属、酸和油类产品等液体本身的张力也会阻碍它们的渗透。
youdao
- 19. The environment-friendly colorant is characterized by being free from salts, alkalis and environmental pollution.
- 本环保型染色剂的特征是无盐无碱，不会污染环境。
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- 20. Most viruses can be destroyed by high temperatures or strong alkalis, or shaken to pieces by sound waves - but not this one.
- 多数病毒可以被高温或者被强碱杀死，或者可以被声波震荡成碎片——但这种病毒不是这样。
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- 21. MTC pastes cured at elevated temperature in alkalis environment can yield amount of gelatinous hydrate to solidify mud.
- MT C浆在高温碱性环境中能够生成大量凝胶水化产物，使泥浆固化。
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- 22. The results show that the surface reaction of coke is strengthened with temperature rise and increased by adding alkalis.
- 结果表明，焦炭表面反应程度随反应温度提高而增强，还因加碱而增加。
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- 23. During the adsorption procedure, surface coatings showed amphoteric properties and can buffer the acids or alkalis in the solution.
- 生物膜吸附苯酚、对硝基苯酚的过程中表现出对酸、碱的缓冲能力，具有两性表面特性。
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- 24. This paper explains the ways alkalis affects both reactivity and strength after reaction coke through the experiment of coke dip alkalis.
- 作者通过焦炭的浸碱试验，阐述了碱金属对焦炭反应性和反应后强度的影响，认为碱金属加速了焦炭的气化反应。
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- 25. The results indicate that PS-1231 is superior in tackifying, stable to acids, alkalis and salts, and higher in yield value of water-solubility.
- 表明：PS—1231多糖具有增粘性强，对酸、碱、盐稳定，水溶液屈服值高等独特性能。
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- 26. The goods produced films should always be away from the fire source, water, acids, alkalis and oxides, packaging barrels should be kept sealed.
- 本产片品始终应远离火源、水、酸、碱并氧化物，包装桶应随时密封。
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- 27. The results showed that only small amount of alkalis in feldspar were extracted when autoclaved with water, and the majority of extract is sodium oxide.
- 结果表明：长石在水中碱溶出量比较少，溶出的碱主要是钠碱。
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- 28. However, it is resistant to most alkalis, salts, waters, food products, organic substances and atmospheric conditions at normal and elevated temperatures.
- 然而硫攻击，这是最碱，盐，水，食品，有机物质和大气耐在正常和高温的条件。
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- 29. However, it is resistant to most alkalis, salts, waters, food products, organic substances and atmospheric conditions at normal and elevated temperatures.
- 然而硫攻击，这是最碱，盐，水，食品，有机物质和大气耐在正常和高温的条件。
youdao
- Several methods to prevent alkalis from jeopardizing are provided.
给出了预防碱金属危害的方法。 - The effect of reaction temperature and alkalis on the deep reaction of cokeis studied.
研究了反应温度及碱金属对焦炭深层反应的影响。
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