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- Abstract Preparation of cyclohexene by dehydration of cyclohexanol on the catalyst of p-Tolenesulfonic acid was studied. 以对甲基苯磺酸为催化剂，对环己醇脱水制备环己烯的反应进行了研究。
- Glycerol or a preparation of glycerol. 甘油，丙三醇甘油或丙三醇配制品
- Years of work have gone into the preparation of this dictionary. 这部词典的筹备工作已进行了多年。
- Preparation of carbon nanotubes and their application in the direct oxidation of cyclohexene catalyzed by Ru complex 碳纳米管的制备及其在钌络合物催化氧化环己烯中的应用
- The Preparation of Cyclohexene from Dehydration of Cyclohexanol Catalyzed by p-Toluene Sulfonic Acid 对甲苯磺酸催化环己醇脱水制备环己烯
- Preparation of cyclohexene by catalyzed dehydration of cyclohexanol with activated carbon supported phosphotungstic acid under microwave irradiation 微波辐射活性炭负载磷钨酸催化环己醇脱水制环己烯
- The failure of the company's efforts at last sheeted home the need for proper preparation of business conditions. 该公司种种努力的失败终于使大家认识到充分准备经营条件的必要性。
- Timely preparation of sales plan and reports. 及时地准备销售计划及报告。
- A dried preparation of corpus luteum. 黄体素的干燥制剂
- Work on the preparation of the case is suspended. 案子的准备工作已暂停。
- Preparation of Product Cost Calculation. 为生产成本核算做准备。
- preparation of cyclohexene 环己烯
- Preparation of amino acid-sorbitol infusion. 氨基酸-山梨醇输液的研制。
- Preparation of antibodies to catecholamlnes. 儿茶酚胺抗体的制备。
- Preparation of program and budget on cash basis. 按现金收付制编制计划和预算。
- Preparation of silicon oxide nanoparticle. 纳米二氧化硅粉体的制备。
- Preparation of the check register. 支票登记本的登记和保管。
- Preparation of the company statistical returns. 公司统计报表的编制.
- The preparation process of cyclohexene is concerned greatly with catalyst and technique. 催化剂的选择及制备工艺对环己烯的制备有很大的影响。
- A formula directing the preparation of something. 指示规定某药物的配方
