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- This paper introduces the aging mechanisms of bio-oil and various methods to improve the stability of bio-oil, including drying, deashing, hot-gas filtration, vapor-phase catalytic pyrolysis, adding solvent and mild hydrogenation, etc. 介绍了导致生物油不稳定的机理和各种提高生物油稳定性的方法，如原料干燥、酸（水）洗脱灰、气体高温过滤、气相催化裂解、添加溶剂和生物油适度加氢等。
- Water contains hydrogen and oxygen. 水含有氢和氧。
- Coffee and tea are mild stimulants. 咖啡和茶都是温和的兴奋剂。
- The punishment inflicted on them was too mild. 他们受的惩罚太轻。
- But sure the antique Greeks were far more mild. 但可以肯定，古希腊人对我们这一性。
- Mild, kind, yet earnest reproof. 告诫，劝谏温和的，和善的，但诚挚的谴责
- She won't object -- she's so meek and mild. 她不会有异议的--她一向是逆来顺受。
- Water is composed of hydrogen and oxygen. 水由氢和氧组成。
- Please make my drink a mild one. 请把我的酒调得淡一点。
- She suffered from a mild stomach disorder. 她患轻度胃病。
- It's been a mild winter this year. 今年的冬天一直很暖和。
- He gave a mild answer, in spite of his annoyance. 他尽管已恼火，但回答得还是很和蔼。
- Water is composed of the elements hydrogen and oxygen. 水是由氢元素和氧元素组成的。
- A mild spring day; mild weather in June. 温暖宜人的春天; 六月宜人的天气
- mild hydrogenation 中压加氢
- Water may be resolved into hydrogen and oxygen. 水可以分解为氢和氧。
- The secretary spoke with a kind of mild literalness. 秘书差不多照字面地讲著。
- That TV play caused a mild flutter among the viewers. 那出电视剧在观众中稍稍引起轰动。
- The hydrogen is the known the lightest element. 氢是已知的最轻的元素。
- Hydrogen and oxygen combine/Hydrogen combines with oxygen to form water. 氢与氧化合成水。
