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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. 氟硼酸鈹(Be2(BO3)F,簡(jiǎn)寫(xiě)為BBF),屬單斜晶系,空間群為C2。 該化合物含有BO3平面三角形基團。
- beryllium fluoride 核純氟化鈹,氟化鈹
- Sodium and water react (together). 鈉和水能起反應。
- Common salt is a compound of sodium and chlorine. 食鹽是鈉和氯的化合物。
- The process of sodium fluoride by ammoniating method was described in brief. 本文簡(jiǎn)述了氨化法合成氟鋁酸鈉工藝技術(shù),測試分析了氨化法冰晶石的礦相、結晶形貌。
- The crude sodium carbonate ash obtained from these plants. 蘇打灰從這些植物中獲得的粗碳酸鈉灰
- We should stop using beryllium whenever possible. 我們只要可能，就應該停止用鈹。
- Does fluoride help prevent cavities? 氟可以防止蛀牙嗎?
- Alkyl halides are reacted with sodium nitrite. 鹵化烷與亞硝酸鈉反應。
- Lab Experiment on Harm of Fluoride on Rubber Trees. 大氣氟化物對橡膠樹(shù)的傷害實(shí)驗研究。
- Dried Aluminium Fluoride Producing Facility. 干法氟化鋁生產(chǎn)裝置建設。
- 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值為6.;5到8之間，不含硫、氟化物。
- The sodium is removed with cation exchange resin. 鈉用陽(yáng)離子交換樹(shù)脂來(lái)分離。
- Fluoride has many effects on cell mem brane . 氟對細胞膜有多方面的影響。
- However the toxic properties of beryllium limit its application. 然而鈹的毒性限制了它的作用。
- The most common is sodium chloride?salt. 最常用的化學(xué)制品就是氯化鈉??鹽。
- These effects are antagonizeed by sodium sulfide. 這些效果被硫化鈉中和了。
- Once inhaled, beryllium is like a time bomb in the body. 一旦人體吸入這些物質(zhì)，鈹就象在身體里的定時(shí)炸彈。
- Was when some sodium chloride got into his eye. 是當一些氯化鈉進(jìn)了他的眼睛。
