甲基 - 关于甲基的双语例句 - 甲基造句 - 语文书

为您找到93个与“甲基”相关的双语例句：

Methanol. Methyl alcohol Carbinol. Wood alcohol. Wood spirit . Methyl hydroxide.
甲醇. 木醇. 木酒精. 甲基氢氧化物.
Five pairs of carbazole derivative enantiomers were resoluted with a cellulose tris ( 3, 5 dimethyphenylcarbamate ) chiral column.
用纤维素-三 ( 3, 5-二甲基苯基氨基甲酸酯 ) 手性固定相拆分了5种咔唑羧酸衍生物对映异构体.
Diels - Alder reaction of 2 - merhylene - 1 - pheny 1 - 1.3 - butanedione catalysed by zinc chloride as lewis acid with 1.3 - cylcopentadiene was reported.
以氯化锌为路易斯酸催化剂,探讨了2 ─ 亚甲基─1 ─ 苯基 ─ 1.3 ─ 丁二酮与1.3 ─ 环戊二烯的Diels─Alder反应.
The method of sulfomethylation modification of bayberry tannin extract was investigated.
研究了毛杨梅栲胶的磺甲基化改性方法.
Objective : To develop the method for the determination of 4 - methyl imid azole in caramel.
目的: 建立 4- 甲基咪唑的快速定量测定方法.
Further studies are needed on opioids, N - methyl - D - aspartate antagonists, and ion channel blockers.
阿片类药物、 N - 甲基 -D- 天(门)冬氨酸拮抗剂和离子通道阻滞剂的疗效还有待研究.
P - methoxybenzeneacetonitrile was prepared in 34.8 % yield starting from anisole, via chloromethylation, cyanogenation and fractional distillation.
以苯甲醚为原料,经过氯甲基化, 氰化反应后, 通过精馏获得对甲氧基苯乙腈,总收率为34.8%.
METHODS: The target compound was prepared by the bromination and amination reaction.
方法: 用溴代及胺化反应合成了四甲基吡嗪衍生物.
Fmoc, Boc and Pbf were used respectively to protect α - amido, side amido and side guanidine group.
对于α-氨基仍采用Fmoc保护策略, 侧链氨基用二碳酸二叔丁酯引入叔丁氧羰基来保护,侧链胍基用酸敏感保护基2,2, 4,6,7-五甲基二氢苯并呋喃-5-磺酰基来保护.
Various overlay mediums , such as agar , starchgel, methyl cellulose and tragacanth are used.
常用的覆盖培养基有:琼脂、淀粉凝胶甲基纤维素和黄蓍胶等.
In low temperature, reaction of ketone with sodium acetylide synthesized 1 - ethynyl - 2,3, 4,5 - tetramethyl - 2 - cyclopentene - 1 - ol; 1,2 - diphenyl - 2 - hydroxy - 3 - butine - 1 - one; 3,4 - diphenyl - 1,5 - hexadiine - 3,4 - diol and 3,4 - dipheny
报道了在低温条件下, 以邻二酮和α-环烯酮为原料与炔钠反应,合成了2,3, 4,5-四甲基-1-乙炔基-2-烯-环戊醇、1, 2 - 二苯基 -2 - 羟基 -3 - 丁炔 -1 - 酮、3, 4 - 二苯基 -1,5-己二炔-3,4 - 二醇和3,4 - 二苯基 -3 - 环戊烯 -1 -酮4种化合物.
Allene is an isomer of methyl acetylene.
丙二烯是甲基乙炔的一种异构体.
In benzene or ethyl acetate solution rates increase linearly with methyl methacrylate concentration.
在苯或乙酸乙酯溶液中其衰减速度随甲基丙烯酸甲脂浓度呈直线地增大.