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。
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