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- propyl fluoride 丙基氟; 1-氟丙烷
- Aim:to prepare propyl p-hydroxybenzoate. 目的:制備對羥基苯甲酸丙酯。
- Does fluoride help prevent cavities? 氟可以防止蛀牙嗎?
- 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。
- Fluoride has many effects on cell mem brane . 氟對細胞膜有多方面的影響。
- A satisfied result has been obtained at different PRF. 在不同脈沖重復頻率下進(jìn)行仿真，取得了滿(mǎn)意的效果。
- In spotlight SAR system design, PRF selection is very important. 摘要在聚束式合成孔徑雷達系統設計中，脈沖重復頻率PRF的選擇至關(guān)重要。
- Enolase isolated from peas was sensitive to fluoride. 從豌豆提取的烯醇酶對氟化物敏感。
- Three pulse cancellation method is used and the PRF is programmable. 該對消器采用三脈沖對消方案，脈沖重復頻率可編程。
- High PRF and inverse receiver are often used in radar missile guidance. 在雷達導引頭中經(jīng)常采用高PRF倒置接收體制。
- It is a proven fact that fluoride strengthens growing teeth. 氟化物可以強化生長(cháng)中的牙齒，這是已證明的事實(shí)。
- PRF Global Inc is a U.S.A.Corporation located in Huntington Beach, California. 脈沖重復頻率全球公司是美國公司設在加利福尼亞州亨廷頓海灘，加利福尼亞州。
- Fluoride injury often is characterized by tip burn of leaves. 氟化物危害的特點(diǎn)是葉片頂尖灼燃現象。
- The membership number on the entry form and the PRF should be identical. 報名表上的會(huì )員編號必須與付款記錄表相同。
- Since then, many studies have confirmed the value of fluoride. 從那以后，許多研究都證實(shí)了氟化物的價(jià)植。
- Propyl gallate known as a familiar antioxidant,is widely used in food industry. 沒(méi)食子酸丙酯作為一種常見(jiàn)的抗氧化劑已被廣泛應用于食品行業(yè)。
