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- Al 2 O 3 bulk aerogels were prepared by using Al (H 2 O) 9 (NO 3 ) 3 as a precursor and 1,2-epoxy propane as a gelation agent. Methane amide wa s used as drying control chemical add itives(DCCA)to improve the gel texture and the structure evolution. 以无机铝盐Al(H2O)9(NO3)3为前驱体,甲酰胺作为干燥控制化学添加剂(DCCA),1,2-环氧丙烷作为凝胶网络诱导剂,通过溶胶-凝胶法制备氧化铝凝胶;
- He drank off the flagon of wine amid their cheers. 在他们的喝彩声中他喝了一大瓶酒。
- He sat down amid deafening applause. 他在震耳欲聋的掌声中就坐。
- He kept calm amid all these excitements. 他在这些使人激动的事件中保持镇静。
- methane amide 甲酰胺
- She left amid a swarm of photographers. 她离开时一群摄影记者围着她。
- He drank off the wine amid the cheers. 他在一片喝采声中把酒一饮而尽。
- He drank off a glass of beer amid their cheers. 在他们的欢呼声中,他把杯子里的啤酒一饮而尽。
- He felt strange amid so many people. 和这么多人在一起,他感到不自在。
- He drank up the wine amid the cheers. 他在一片喝采声中把酒一饮而尽。
- Amid all the fumes and hurtling missiles we kept our heads. 虽在烟雾弥漫,弹片横飞之中,而我们还是镇定不乱。
- A church stands amid skyscrapers. 摩天大楼之间耸立著一座教堂。
- Methane may have extraterrestrial significance. 甲烷具有星际意义。
- Methane is said to be hydrophobic. 甲烷被称为疏水的。
- They were able to nitrate methane to nitromethane. 他们能将甲烷硝化成硝基甲烷。
- We lost our companions amid the storm and the darkness. 在暴风雨和黑暗中,我们失去了伙伴。
- The rest is mostly methane and ammonia. 其余的几乎都是甲烷和氨。
- Amid all the rush and confusion she forgot to say goodbye. 她在忙乱中忘记了告辞。
- Must be some kind of methane buildup. 应该是沼气集聚起来了.
- Amid the growing shade of dusk stand sturdy pines. 在把黄昏越来越暗的阴影之中耸立着一些挺拔的松树。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries