Several lower alkalinity and small addition concrete expansion agents were prepared with different raw materials.

At sufficiently high temperatures and alkalinity, fatty esters may be hydrolyzed to produce soaps.

在足够的温度和碱度的情况下, 脂护酯可能被水解产生皂类.

As a result, soil alkalinity rose and farmland lay barren.

结果, 土壤中的碱份增多,农田成了不毛之地.

Washing the wads with water, and the testing for alkalinity gave a negative result.

用水洗涤玻璃絮, 然后作碱性检验得到了否定的结果.

There is a possibility that alkalinity of ash is related to fiber fineness.

灰分的碱度可能与纤维的细度有关.

The last bowl provides a rinse to reduce the alkalinity of the wool.

最后一只洗毛槽用来漂清羊毛,减少羊毛的碱性.

The alkalinity of water is a measure of its capacity to neutralize acids.

水的碱性是它中和酸的能力的一种量度.

A pH test measures the acidity or alkalinity of a substance.

pH值测试可检测物质的酸碱度。

Incorporating organic material into chalky soils will reduce the alkalinity.

在白垩质土壤中添加有机物可降低其碱性。

A great quantity of soluble inorganic salt can force the surrounding soil seriously become salinization alkalinization.

大量可溶性无机盐会加剧周边土壤的盐碱化.

The and alkalinization includes two stresses – salt stress and alkali stress in fact for plant.

因此,对于植物来说,盐碱生境实际上涉及到两种胁迫即盐胁迫和碱胁迫.

One of ecological crises people were facing was land salt-alkalinization.

土壤盐碱化是人类面临的生态危机之一.

This lowers the water table and reduces soil alkalinization.

这可降低水位,减少土壤的碱份.

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.

Away from high-temperature source and radioactive sources to avoid acids, alkalis, oils and sharp materials placed.

给挨近矮温、热源及不收射源,制止与酸 、 碱 、 油类和不团软精神等一路不领取.

He proposed a fresh theory of alkalis that later was accepted in chemical practices.

他提出了一种有关碱金属新理论,后来在化学实践中得到认可.

Most of the chemical solvent capability, such as: acids, alkalis, alcohol, the water vapor.

能耐大多数化学溶剂, 如: 酸 、 碱 、 酒精 、 水各蒸气.

Immersion service in acids, alkalis or solvents.

不能用于酸 、 碱和溶剂浸渍的环境下.

Resistant to acids, alkalis, oil, moisture and fungi.

抗酸碱, 耐油及防潮霉性能好.

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.

Aluminium and other metals are normally badly corroded by alkalis.

铝和其他金属通常会被碱严重腐蚀.