碳酸钙

This neutralises the acid and decreases the acidity of the stomach contents.

碳酸钙通过与胃液中过多的胃酸结合，中和酸性物质，降低胃内的酸性。

In order to solve the problem of accumulation of phosphogypsum, which is a byproduct in the process of nitrophosphate production by freezing method, using phosphogypsum, ammonium carbonate and ammonia as raw materials, ammonium sulfate and calcium carbonate were prepared by double decomposition reaction, and the recycling utilization of sulfur resource was realized.

为了解决冷冻法硝酸磷肥生产中深度除钙副产磷石膏的堆积问题，以磷石膏、碳酸铵和氨水为原料进行复分解反应制备硫酸铵和碳酸钙，以实现硫资源的循环利用。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。