unstable form

( CNOH) an unstable acid occurring mainly in the form of explosive salts and esters that is isomeric with cyanic acid.

（CNOH）一种不稳定的酸，主要以易爆炸的盐和酯的形式存在，是氰酸的同质异构体。

In the case of monovalent cations ( K and Na), they react with polyacrylic acid and form unstable salts which can accelerate hydration of cement, resulting in metal ions released from cement during hydration, catalyzing the cross-linking reaction through the polymers.

而单价阳离子（K和Na）与聚内烯酸反应形成不稳定的盐，加速水泥的水化，并促进水泥水化析出的金属离子与聚合物的交联反应。

The sandwich sandstone with weak interlayer such as thin coal bed, together with bedding plane and joint crack, can form unstable blocks, which threat the engineering safety.

研究部位岩体为层状砂岩，含有软弱夹层，其显著特点是该砂岩的岩组中含有薄煤层，与层理、节理裂隙等的组合易形成不稳定块体，对工程安全造成危害。

Technical safety measures to prevent unstable collapse of form scaffolding

预防模板支架失稳的安全技术措施

so will corals, especially those whose skeletons are composed of aragonite, a particularly unstable form of calcium carbonate.

珊瑚虫也将如此，特别是那些骨架由霰石（一种极不稳定的碳酸钙形式）组成的种类。

the composition, performance, unstable form, key points of design and construction techniques are introduced in this paper.

就自嵌式植生护岸的组成、性能、失稳形式、设计要点以及施工工艺进行了介绍。

ozone is an unstable form of oxygen.

新鲜的空气是不稳定的形式的氧。