alkalis

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.

It is evidenced that the effect of available alkalis in concrete on alkali aggregate reaction is the key of factor. The leaching method for determining available alkalis of concrete is introduced. The progress of search on the leaching method for determining available alkalis of Concrete is discussed.

引证了混凝土有效碱是影响碱集料反应的关键因素，介绍了溶出法测定混凝土有效碱试验方法，讨论了溶出法测定混凝土有效碱的研究进展。

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.

Acids neutralize alkalis and vice versa.

酸能使碱中和,碱亦能使酸中和.

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.

Discussion on innovation of diaphragm caustic soda evaporation process Basic knowledge of analytical reagents& alkalis

隔膜碱蒸发工艺改进的探讨

Basic knowledge of analytical reagents& alkalis PCR reaction system, Taq enzyme, primer et al.

PCR反应体系、Taq酶、引物，Tris碱及聚丙烯酰胺等；

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

抗酸碱, 耐油及防潮霉性能好.

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.

What's the scale that's used to compare the strength of acids and alkalis?

用何种标准来比较酸碱度？

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.

all the leakage fixers adopt stainless steel, the sealers adopt silicon rubber, which can withstand oil, acid alkalis, and high temperature.

所有外露紧固件均采用不锈钢，密封件采用硅橡胶，耐油、耐酸、耐碱、耐高温。

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.

Immersion service in acids, alkalis or solvents.

不能用于酸 、 碱和溶剂浸渍的环境下.

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。

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。

The additives containing alkalis oxide are not fit for hemihydrate gypsum-fly ash binder.

半水石膏粉煤灰胶结材中不宜使用含碱金属盐的外加剂。

a study of borosilicate type leadless glaze basic knowledge of analytical reagents& alkalis

无铅碱硼釉的研究分析

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。