In this paper, the affects of temperature and ultraviolet light on the stability and mildewproof effect of sorbic acid and ethyl-p-hydroxybenzoate used as food preserving agent, was studied.
本文研究了温度和紫外光对食品防腐剂山梨酸、对羟基苯甲酸乙酯的稳定性和防霉效果的影响。
Aimed at Liaohe heavy oil reservoirs, a new type of high temperature fleeing proof chemical agent FPJ was developed by the research of foamability, foam stability and sealing characteristic.
针对辽河油田稠油油藏特点，通过发泡性能、泡沫稳定性以及高温下的封堵性能的研究，研制出一种新型的高温防窜化学剂体系FPJ。
The advantage of organic heat -carrying agent is that it can be heated to a higher temperature with a lower vapor pressure and a better thermal stability.
有机载热体的优点是在较低的压力下可以获得较高的温度，而又有较好的热稳定性。
The results showed that the new curing agent has good stability at room temperature and improved curing performance.
初步固化实验结果表明，这种环氧树脂潜伏性固化剂具有较好的固化性能。
The results showed that the new curing agent has good stability at room temperature and improved curing performance.
初步固化实验结果表明，这种环氧树脂潜伏性固化剂具有较好的固化性能。
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