英语释义

1. a soluble salt obtained from the ashes of plants and consisting largely of potassium or sodium carbonate broadly a substance (such as a hydroxide or carbonate of an alkali metal) having marked basic properties — compare base sense 6a

2. alkali metal

3. a soluble salt or a mixture of soluble salts present in some soils of arid regions in quantity detrimental to agriculture

4. a substance that has a bitter taste and that forms a salt when mixed with an acid

5. a substance that has a bitter taste and reacts with an acid to form a salt base

6. a salt or a mixture of salts sometimes found in large amounts in the soil of dry regions

7. a substance (as a hydroxide or carbonate of an alkali metal) having marked basic properties — compare base

片语

caustic alkali[无化] 苛性堿

huanglian alkalis黄连生物堿

Alkalis Resistant耐堿

Alkalis Resistance抗堿性

Weak Alkalis弱堿

alkali liquor[化学] 堿液

alkali resistance抗堿性，[化学][材] 耐堿性；耐堿坚牢度

available alkalis有效堿

Alkalis Etc堿类等

Dilute alkalis稀堿

alkali solution堿性液

Alkalis Content堿含量

to alkalis以堿

alkali metal[化学] 堿金属；硷金属

英汉例句

• 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、堿、盐稳定，水溶液屈服值高等独特性能。

• f-type) for the transmission acids, alkalis and other corrosive liquids.

  耐腐蚀泵（f型）用于输送酸、堿等腐蚀性液体。

• the catalytic dehydration of lemonile with various alkalis and ptc was studied. the optimal conditions dehydration to lemonile for koh tbab catalytic by orthogonal design were determined.

  研究了不同堿对柠檬肟的催化脱水效果及不同ptc的催化作用效果，并用正交实验设计法确定了使用koh- tbab催化脱水法合成柠檬腈的最佳反应条件。

• 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、中堿及大多数易磨损介质。

• 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、堿的缓沖能力，具有两性表面特性。

• acids neutralize alkalis and vice versa.

  酸能使堿中和，堿也能使酸中和。

• alkalis are substances that accept protons, while acids donate them.

  堿性物质可以接受质子（原文如此，疑为电子），而酸则会释放质子。

• in the granites and related rocks the alkalis are, of course, noticeably in excess of the femic constituents .

  在花岗巖及有关的巖石中，堿质当然显着地超过铁镁组分。

• 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堿。

• polyester should be used in the presence of acids and nylon should be used where alkalis exist.

  聚酯应在酸性环境中使用，而尼龙应使用在堿存在的情况下。

• several methods to prevent alkalis from jeopardizing are provided .

  给出了预防堿金属危害的方法。

• alkalis counteract acids.

  堿中和酸。

• 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堿。

• the effects of the kinds and concentration of surfactants and alkalis and salinity of formation water on the interfacial tension of composite displacement system have been stressed.

  研究了表面活性剂的类型和浓度、堿的类型和浓度及地层水矿化度等对复合体系界面张力的影响。

• 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、堿并氧化物，包装桶应随时密封。

• 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：长石在水中堿溶出量比较少，溶出的堿主要是钠堿。

• some potentially active materials should be added into the mud and mtc paste should be used in strong alkalis condition, in order to get good solidification.

  为了提高固化效率，泥浆中应预先掺加潜在活性的材料，并在强堿性环境中使用mtc浆。

• mtc pastes cured at elevated temperature in alkalis environment can yield amount of gelatinous hydrate to solidify mud.

  mtc浆在高温堿性环境中能够生成大量凝胶水化产物，使泥浆固化。

• 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、堿和去污剂中同样能很好存活。