Backmixing of liquid and gas and association effects between acetic acid molecules were considered and the accuracy of the model for dynamic process was greatly improved.
该模型考虑了气液相返混及醋酸分子间的缔合效应,提高了模型对非稳态过程的模拟精度。
Despite the need for more research, the findings suggest that pets' effects on well-being may explain why 62 percent of U. S. households own a pet, according to the American pet Products Association.
尽管还需要更多的研究,但从现有的发现中来看,宠物对幸福感的影响也许能解释为什么美国62%的家庭都饲养着宠物,这个数据来自美国宠物产品协会。
American restaurants are also feeling the effects of the slowing economy, according to a spokeswoman for the National restaurant Association.
根据国家餐饮业联盟的发言人的话,美国餐饮业也感到了经济放缓的影响。
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