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- Conjugated unsaturation of abietic resin acids can be removed through catalytic hydrogenation to overcome the shortcomings of oxidation and color degradation in rosin. 将松香催化加氢可去除枞酸型树脂酸的共轭不饱和性,克服其易于氧化变色的缺点。综述了40多年来国内外对松香催化加氢反应的研究进展。
- The extending of the conjugated unsaturated system after thermal treatment is most possibly the elemental reason for the lignin discoloration. 刺槐木素受热处理后结构中共轭体系的增大是木材木素变色的重要原因。
- This non sequitur invalidates his argument. 他不根据前提推理因而论证无效。
- conjugated unsaturation 共轭不饱和结构
- Patience is a sine qua non for a good teacher. 做个优秀教师必不可少的条件是要有耐心。
- The diplomat was declared persona non grata. 这位外交家被宣布为不受欢迎的使节。
- He is declared personal non grata and forced to leave the country. 他被宣布为不受欢迎的人而被迫离开该国。
- I had had a few beers and was completely non compos mentis. 我喝了些啤酒就头昏脑胀了。
- He was declared persona non grata and forced to leave the country. 他被宣布为不受欢迎的人而被迫离开该国。
- We decided to declare them personae non grata. 我们决定宣布他们为不受欢迎的人。
- Antibodies are conjugated with a fluorescent dye. 抗体接合上萤光染料。
- He was accused of spying and declared non grata. 他被控从事间谍活动而被宣布为不受欢迎。
- Cum non sis, qui fueris, non esse,cur"velis vivere. “当你到了今日之我非复昔日之我的时候，就没有再要活下去的理由了”。
- Restaurant open to non residents. 餐厅对非住宿者开放.
- A non circular gear conjugated with an eccentric gear and its design are discussed here in the paper. 讨论了与一个偏心的圆齿轮共轭的非圆齿轮及其传动设计的有关问题。
- Will all non passengers get off right now? 请所有送行者马上下船。
- Could you please put me in the non smoking section? 能给我在禁烟区的位子吗?
- We have cut down the non - productive expenditure. 我们已削减了非生产性开支。
- He has a non - resident account with a French bank. 他在一家法国银行拥有外国人帐户。
- Non member may not vote at the agm. 在年度股东大会上非股东成员不能参加表决。
