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- This paper summarizes the problems that occur in nanon powder crystal growth by wet process,which is significant to produce podwer crystal. 根据文献及研究中的体会,归纳总结了用湿法制备纳米级粉末晶体过程中晶体的生长理论问题。晶体生长理论对晶体制备工艺有着重要的意义。
- Character of Sodium carbonate white powder crystal; When it dissolves in water, the liquid will have alkalinity, and emit heat; Sodium carbonate and acid react to salt. 性状白色粉状结晶;易溶于水,水溶液显碱性,并放出热量,易潮解;与酸发生反应生成盐。
- The different structure carbonate rocks organic carbon content is difference, the overall present that the micrite > the powder crystal calcareous rock > the sparite. 区内高演化海相地区有效烃源岩岩石类型主要为泥/页岩、硅质岩、泥灰岩、生物(屑)灰岩。
- Only the powder crystal of ammonium magnesium carbonate tetrahydrate prepared was reported in previous literature,but there was no report on the synthesis of its single crystal. 对于碳酸镁铵的合成,通过查相关资料,前人仅制得该物质的粉末晶体,并未见有合成单晶的报道。
- neutron powder crystal diffraction patter 粉末晶体中子衍射花样
- neutron powder crystal diffraction pattern 粉末晶体中子衍射花样
- Most synthetic detergents are in the form of powder or liquid. 大多数合成洗涤剂呈粉状或液态。
- This set of crystal wine cups is very expensive. 这套水晶玻璃酒杯非常昂贵。
- Actually they even have vanilla powder. 实际上还可以加香草粉。
- I lost my crystal necklace at the party. 我在晚会上丢失了水晶项链。
- He takes a powder every morning. 他每天早晨吃一种粉状药。
- She made her meaning crystal clear. 她把她的意思解释得清清楚楚。
- Borax is a kind of white powder. 硼砂是一种白色粉末。
- He drank from a crystal wine glass. 他用水晶酒杯喝酒。
- Shaking will settle the chalk powder down. 晃一晃把粉笔末抖落下来。
- The house stood by a crystal stream. 那所房子坐落在清澈的小溪旁边。
- Borax must be reduced to powder for infants. 硼砂必须研成细粉才能供婴儿使用。
- He crushed a piece of chalk to powder. 他将一支粉笔压成粉末。
- There's too much powder on your nose. 你鼻子上的粉擦得太多了。
- He wants to make it crystal clear that he do not agree with us. 他想表明清楚他不同意我们的意见。