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- Beryllium fluoride borate,Be_2(BO_3)F belonging to space group C2 is built up with BO_3 planar triangle group and BeO_3F tetrahedral group. 氟硼酸铍(Be2(BO3)F,简写为BBF),属单斜晶系,空间群为C2。 该化合物含有BO3平面三角形基团。
- beryllium fluoride 核纯氟化铍,氟化铍
- We should stop using beryllium whenever possible. 我们只要可能,就应该停止用铍。
- Does fluoride help prevent cavities? 氟可以防止蛀牙吗?
- Lab Experiment on Harm of Fluoride on Rubber Trees. 大气氟化物对橡胶树的伤害实验研究。
- Dried Aluminium Fluoride Producing Facility. 干法氟化铝生产装置建设。
- Study on Polyvinylidene Fluoride Coating. 聚偏氟乙烯涂料的研究。
- PH is 6.5 to 8, no sulfur or fluorid. PH值为6.;5到8之间,不含硫、氟化物。
- Fluoride has many effects on cell mem brane . 氟对细胞膜有多方面的影响。
- However the toxic properties of beryllium limit its application. 然而铍的毒性限制了它的作用。
- Enolase isolated from peas was sensitive to fluoride. 从豌豆提取的烯醇酶对氟化物敏感。
- Once inhaled, beryllium is like a time bomb in the body. 一旦人体吸入这些物质,铍就象在身体里的定时炸弹。
- It is a proven fact that fluoride strengthens growing teeth. 氟化物可以强化生长中的牙齿,这是已证明的事实。
- Fluoride injury often is characterized by tip burn of leaves. 氟化物危害的特点是叶片顶尖灼燃现象。
- Since then, many studies have confirmed the value of fluoride. 从那以后,许多研究都证实了氟化物的价植。
- Parts in contact with liquid in pipe are of brass and beryllium copper. 在管道内与流体接触的部件是黄铜和铍铜合金。
- Determination of sulphuryl fluoride in air by gas chromatography. 空气中硫酰氟气体浓度的气相色谱法测定。
- After brushing with a popular fluoride toothpaste for sensitivity. 用含氟牙膏多次后,过敏部位表面有所改善。
- Fortunately, not everyone's immune system will overreact to beryllium. 幸运的是,不是所有人的免疫系统都对铍反应过度。
- Response of Lithium Fluoride Detector to Charged Particle LET. 氟化锂探测器对带电粒子传能线密度的响应。