unstable form

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。

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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。

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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

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ozone is an unstable form of oxygen.

新鲜的空气是不稳定的形式的氧。

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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。

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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。

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( 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。

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