exothermic

In order to control the morphology of ultrafine calcium carbonate, as carbonation reaction is a exothermic reaction, temperature control system needs to be used in production. This means a waste of energy and make production cost increase.

碳化反应是放热反应，为了控制超细碳酸钙的形貌，生产中需采用外加强制冷却的手段对体系进行控温，造成能源的浪费，使生产成本增加。

Ethoxylation is a special kind of chemical reaction and is highly exothermic reaction. In addition, ethylene oxide is a very reactive, flammable and explosible reactant. So the requirement of security for the plant is very high.

乙氧基化同时是一类特殊反应，反应强放热，反应物EO易燃、易爆、易分解、聚合、有毒，对生产装置的安全性要求非常高。

On the basis of the exothermic reaction, molybdenum disilicide and MoSi 2/ SiC were synthesized from elemental reactants in argon atmosphere by self propagating high temperature synthesis method.

实验工作针对放热反应的特点采用自蔓延合成方法（SHS），利用单质反应元素在氩气环境下合成MoSi2及MoSi2/SiC复合相。