1. The main volatile chemical components of RPR are(Z, Z)-9,12-octadecadienoic acid, n-hexadecanoic acid and 2-hydroxy-benzaldehyde.
赤芍主要挥发成分为（Z, Z）-9, 12-十八碳二烯酸，正十六碳酸和2-羟基苯甲醛。
youdao
2. Scheme 1. Condensation of pyrrole and benzaldehyde.
图式1吡咯与苯甲醛的缩合反应。
youdao
3. Methods for catalytic oxidation of toluene to benzaldehyde were reviewed.
综述甲苯氧化制苯甲醛的几种合成方法。
youdao
4. A white or yellowish crystalline compound, C14H12O2, derived from benzaldehyde.
二苯乙醇酮一种白色或淡黄色的晶体化合物，c14h12o2，从苯甲醛衍生而来。
youdao
5. Synthesis of benzaldehyde glycol acetal catalyzed by strong-acid cation-exchange resin;
用无水硫酸铜作催化剂，在微波辐射下催化合成苯甲醛乙二醇缩醛。
youdao
6. The yield of benzaldehyde glycol acetal was above 87.7% with zinc methanesulfonate as catalyst.
当以甲基磺酸锌为催化剂时，苯甲醛缩乙二醇的收率可达87.7%。
youdao
7. Benzaldehyde was prepared by basic hydrolysis of cassia leaf oil using phase transfer catalyts.
从桂叶油出发，通过碱性水解制备天然苯甲醛。
youdao
8. So to prepare natural benzaldehyde under the conditions is available and the recovery is steady.
故该条件下制备天然苯甲醛可行，收率稳定。
youdao
9. Synthesis of benzaldehyde ethylene glycol acetal under microwave irradiation catalyzed by sulfate;
用无水硫酸铜作催化剂，在微波辐射下催化合成苯甲醛乙二醇缩醛。
youdao
10. P-hydroxy benzaldehyde has proved to be stable during all sample storage, preparation and analytical periods.
对羟基苯甲醛在样品储备、准备和分析过程中稳定性良好。
youdao
11. A asymmetrically substituted hexane (1) was synthesized via a one-pot reaction of benzaldehyde and acetylbenzene.
从苯甲醛和苯乙酮出发，通过一步反应得到了不对称取代环己烷1 。
youdao
12. The experimental results showed that microwave irradiation could enhance the yield of benzaldehyde semicarbazone.
在微波辐射条件下，以水合肼、尿素和苯甲醛为原料，采用一釜两步法合成了苯甲醛缩氨基脲。
youdao
13. Objective To study Optimization of the react conditions of benzyloxy-benzaldehyde synthesized under microwave irradiation.
目的研究微波合成苄氧基苯甲醛的最佳反应条件。
youdao
14. The results showed that the main product was benzaldehyde and a little by-products were styrene oxide and phenylacetaldehyde.
发现该工艺中主要生成苯甲醛，少量副产物是环氧苯乙烷和苯乙醛等。
youdao
15. The production technology, production capability, consumption, imports and exports of benzaldehyde are reviewed in this paper.
本文对苯甲醛的生产技术、产能、消费、进出口情况进行概述。
youdao
16. Objective: a series of novel substituted benzaldehyde diamines Schiff bases were synthesized for screening antibacterial agents.
目的：设计合成一系列新的取代苯甲醛缩二胺类双席夫碱，通过抗菌活性测试寻找具有抗菌活性药物。
youdao
17. Screening the microorganism that can convert cinnamon oil to benzaldehyde by enzyme was the prerequisite of enzymatic synthesis.
筛选能将肉桂醛转化成苯甲醛的酶源菌株，是微生物转化法生产天然苯甲醛的前提条件。
youdao
18. An improved synthetic method of 3, 5-dimethoxy benzaldehyde which is the key intermediate for synthesizing resveratrol were studied.
报道了白藜芦醇关键中间体3,5二甲氧基苯甲醛的合成方法。
youdao
19. The conversion of benzaldehyde and yield of benzylidene acetone were influenced by reaction time, temperature and initial water volume.
温度、反应时间和初始水量对反应的转化率和苯丁烯酮的产率有不同的影响。
youdao
20. Under optimum conditions, the conversion of benzyl alcohol and the selectivity for benzaldehyde were as high as 95% and 94%, respectively.
通过对反应条件的优化，苯甲醇的转化率可达95%，苯甲醛的选择性为94%。
youdao
21. CONCLUSION The mail volatile chemical components of RPR are(Z, Z)-9,12-octadecadienoic acid, n-hexadecanoic acid and 2-hydroxy-benzaldehyde.
结论赤芍主要挥发成分为（Z，Z）-9，12-十八碳二烯酸，正十六碳酸和水杨醛。
youdao
22. Guangxi province is rich in cinnamon resource, so studies on biodegradation of cinnamon oil into natural benzaldehyde have important significance.
依靠广西丰富的肉桂资源，进行桂油生物降解为天然苯甲醛的研究具有重要意义。
youdao
23. The bitter almond contains amygdalin. Acid or enzyme can decompose amygdalin to prussic acid and benzaldehyde. Prussic acid is a poisonous substance.
苦杏仁含有苦杏仁甙，它在酸或酶的作用下，可以分解产生氢氰酸和苯甲醛，氢氰酸剧毒。
youdao
24. Amyl cinnamaldehyde was synthesized from benzaldehyde and n-heptanal by aldol condensation with catalyst potassium hydroxide in solvent ethylene glycol.
以苯甲醛和正庚醛为原料，乙二醇为溶剂，在氢氧化钾催化作用下羟醛缩合合成甲位戊基桂醛。
youdao
25. Benzaldehyde ethylene glycol acetal was directly synthesized from benzaldehyde and ethylene glycol under microwave irradiation with cupric sulfate as catalyst.
用无水硫酸铜作催化剂，在微波辐射下催化合成苯甲醛乙二醇缩醛。
youdao
26. This paper dealt with membrane catalytic oxidation of toluene to benzaldehyde in Al2O3tube which loading Fe-Mo catalyst. Three different feeding modes were investigated.
研究了负载及装填铁-钼催化剂的氧化铝膜管应用于甲苯膜催化氧化制苯甲醛的的反应。
youdao
27. This paper dealt with membrane catalytic oxidation of toluene to benzaldehyde in Al2O3tube which loading Fe-Mo catalyst. Three different feeding modes were investigated.
研究了负载及装填铁-钼催化剂的氧化铝膜管应用于甲苯膜催化氧化制苯甲醛的的反应。
youdao
用作名词 (n.)
Direct oxidation of toluene is a simple and cheap production technology of benzaldehyde. 摘要甲苯直接氧化制备苯甲醛是一条最为简单而经济的生产工艺。
Benzaldehyde prepared by this way can be regarded as natural benzaldehyde in the world. 由该法制得的苯甲醛在国际上可作为天然苯甲醛使用。
