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- After the stains removed by ultrasonic scaling and sandblasting, 32 teeth were divided into polished and control group randomly,all the teeth were immerged into the extrinsic dental stain solution. 结果:经抛光处理后,牙齿表面的外源性色素附着明显减少,抛光组的白色度值明显低于对照组。
- Objective:To observe the effect of ion concentration in staining solution on reticulo-cyte dyeing. 目的:探讨染色液中离子浓度对网织红细胞染色的影响。
- He vainly tried to mark the defacing stain out. 他试图除去有损外观的污迹，但没有成功。
- The result has shown that the cellular nuclear and nucleolar morphosis and numbers of cancer can clearly herevealed by the fast cellular staining solution. 结果表明,细胞快速染液能清晰地显示癌细胞核和核仁的形态结构及数目。
- I put the shirt in soapy water to soak out the stain. 我将衬衫浸在肥皂水里以去除污渍。
- I scrubbed hard at the stain to see if I could get it off. 我使劲擦这个污迹，看能不能将它去掉。
- The species and staining solution preparation of vegetable dyestuff were introduced. And the new research development of source, fiber dyeing and mordant were introduced. 摘要介绍了植物染料的分类和染液的制备，讨论了植物染料在来源、纤维染色、媒染剂等方面的最新研究进展。
- I am afraid you must wash out this stain. 恐怕你必须洗掉这个污渍。
- The stain on his shirt is difficult to clean off. 他衬衣上的污点很难去除掉。
- I rubbed hard but the stain just wouldn't go. 我使劲擦也擦不掉那污迹。
- Square version conserves space and staining solution and with cap removed the slide can be reached without having to touch the solution.Useful for staining biochemical tests or mailing. 螺旋盖之凹壁与瓶身，盖子之凸出边缘，使其可被击在一起方便运输可用于生化染色检验及标本邮寄。
- Such a man is a stain to humanity. 这种人是人类的耻辱。
- There's an ink stain on your shirt. 你的衬衫上有一个墨水斑。
- It may take a long time to find a solution to the problem. 也许要花很长时间才能找到解决这个问题的办法。
- He left the court without a stain on his character. 他经法庭一役，人格丝毫无损。
- He's got an ink stain on his shirt. 他衬衫上有块墨渍。
- The ink made an indelible stain. 墨水留下一个洗不掉的污渍。
- I simply refuse to conceive of such a solution. 这样的解决办法，我是绝对不考虑的。
- How much stain should I buy for the table? 给这张桌子上色，我得买多少颜料？
- What color is copper sulphate solution? 硫酸铜溶液是什么颜色？
