1·Pre-esterification of China wood oil catalyzed by solid acid in fixed bed reactor was researched.
利用固定床反应器，以固体酸为催化剂催化桐油预酯化反应。
2·China also lacks natural resources, including iron ore, oil and wood, for heavy industry and for its own rising consumer class.
中国还缺乏包括铁矿石，石油和木材等满足重工业生产和不断增长的居民生活需求的自然资源。