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- Metallosilicate containing Sn and Ga cations are the effective catalysts for Baeyer-Villiger oxidation of cyclic ketones with hydrogen peroxide. Sn-MWW 和Ga-MWW催化劑在環(huán)狀酮類(lèi)的Baeyer-Villiger氧化反應中顯示良好的催化性能。
- The reaction exhibited broad substrate generality,and high yields with good diastereoselectivity were obtained for cyclic ketones. 該催化反應適用于很寬的底物范圍，高產(chǎn)率及高非對映選擇性得到相應的產(chǎn)物。
- Validated chiral separation of M9, a Mannich ketone compound, by chiral ligand-exchange chromatography. 畢玉金，楊晶，鹿秀梅，邵泰莉，董金華，李發(fā)美.
- The invention relates to the synthesis method of ketone compounds, particularly the synthesis method of tetralone. 本發(fā)明涉及酮類(lèi)化合物的合成方法，特別是四氫萘酮的合成方法。
- Oxygen enters into many compound bodies. 氧是許多化合物的組成部分。
- Air is a mixture, not a compound of gases. 空氣是氣體的混合物，不是化合物。
- Rose is a plant with compound leaves. 玫瑰是復葉植物。
- "Broad-shouldered" is a compound word. "Broad-shouldered"是個(gè)復合字。
- Common salt is a compound of sodium and chlorine. 食鹽是鈉和氯的化合物。
- My friend's family lives in the compound. 我朋友的家住在那個(gè)大院里。
- A chemical compound consisting of such molecules. 二聚化合物這種聚合物形成化合物
- A cyclic code with minimum redundancy used to check errors in a set of characters. 一種用于檢查一組字符的錯誤、并且具有最小冗余度的循環(huán)碼。
- In volatile oil of processed Cyperus, the contents of alkene and ketone compounds are more than those in unprocessed Cypreus, while the content of acid compounds is less than that of unprocessed Cypreus. 醋炙香附揮發(fā)油的主要成分中各種烯類(lèi)、酮類(lèi)化合物含量高于生品中的含量，而酸類(lèi)化合物的含量低于生品中的含量。
- The unsaturated link occurs in a cyclic system. 在環(huán)體系中存在不飽和鍵。
- Unsaturated fatty acids is easy to be oxidation, creating great deal of oxides, per-oxide-hydrogens, and then decompose into aldehude, aldehyde acid, mellow, hydrocarbon, ketone compounds. 有人為了清除狐臭，就將腋窩大汗腺切除，或用激光加以破壞。這是不可取的。因為汗腺是人體正常新陳代謝的一個(gè)途徑。
- The steam-engine piston makes a cyclic motion. 蒸汽機活塞做往復運動(dòng)。
- An organic compound containing many double bonds. 多烯一種包含許多雙鍵的有機化合物
- Shows how easy the cyclic graph is represented. 顯示了循環(huán)圖是多么容易表示。
- Repeat but use left cyclic instead of right cyclic. 重覆以上的動(dòng)作,但是將副翼打左舵。
- Study on Polyether Ether Ketone Compound Material for Automotive 汽車(chē)用聚醚醚酮復合材料研究
