| 1. | A species of cockroach sprays a substance, ethylacrolein, that is a kind of tear gas . 某种蟑螂喷射一种催泪性毒气乙基丙烯醛。 |
| 2. | These peaks correspond to side-chain cleavage of the ethyl and propyl groups respectively . 这些峰分别相当于乙基和丙基的侧链开裂。 |
| 3. | See , i start with lysergic acid diethylamide base ? ? ? 我从麦角酸二乙基胺开始 |
| 4. | Hd - 4 adding fragtant pharmaceutical second base malt phenol Hd - 4增香剂乙基麦芽酚 |
| 5. | Synthesis of 2 - hydroxy - n , n - bis 2 - aminoethyl ethylamine 羟乙基二乙烯三胺的合成 |
| 6. | Standard specification for 2 - ethylhexyl acrylate 2 -乙基己基丙烯酸酯的标准规范 |
| 7. | Standard test methods for hydroxyethylcellulose 羟基乙基纤维素的标准试验方法 |
| 8. | Improvement on the synthesis of octaethylporphyrin 八乙基卟啉合成方法的改进 |
| 9. | Isoamyl ethyl ketone for industrial use . methods of test 工业用异戊乙基酮.试验方法 |
| 10. | Clinical analysis of acute tetraethyl lead in 6 cases 6例急性四乙基铅中毒临床表现分析 |