At present, the commercial method to extract bitumen from oil sand is Hot Water Extraction Process.
目前国外商业上使用的油砂沥青分离方法是水洗分离。
Black tea extracts are normally produced by a hot or boiling water extraction process usually a countercurrent process.
红茶的提取物通常是用热水或沸水通过逆流萃取工艺来制取的。
Volcanic process, which has stimulated and strengthed the extraction by hot water circulation, is a strong and stable dynamic system for the formation of the Yindongzi deposit.
火山作用激发和强化了地壳内的热水循环萃取过程，同时也是银硐子矿床形成的强烈且稳定的动力系统。
The loquat polysaccharide extracting process includes crushing, hot water extraction, double enzymolysis, freeze drying and other technological steps.
本发明公开了一种批杷多糖提取工艺，包括粉碎、热水浸提、双酶水解和冷冻干燥提取等步骤。
The loquat polysaccharide extracting process includes crushing, hot water extraction, double enzymolysis, freeze drying and other technological steps.
本发明公开了一种批杷多糖提取工艺，包括粉碎、热水浸提、双酶水解和冷冻干燥提取等步骤。
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