查询词典 phenylaldehyde
- 与 phenylaldehyde 相关的网络例句 [注：此内容来源于网络，仅供参考]
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For the synthesis reaction of chalcone, cyclohexanone aldolization and biodiesel,γ-Al_2O_3-NaOH-Na solid superacid has a satisfactory catalytic activity. With hypnone and phenylaldehyde as raw material, amount of catalyst 7.5% wt% of material, mole ratio of hypnone and phenylaldehyde 1:1.1, reaction temperature 40℃, after 3 hours, the yield of chalcone can be up to 96.88%. With cyclohexanone as raw material, amount of catalyst 10% wt% of material, reaction temperature 190℃, after 3 hours, dimmer of cyclohexanone can be up to 85.66%.
将该固体超强碱催化剂应用于查尔酮、环己酮自缩合以及生物柴油的合成反应中，该改性固体超强碱催化剂表现出了良好的催化活性：以苯乙酮和苯甲醛为原料，反应温度为40℃，催化剂用量为反应物总质量的7.5％，苯甲醛与苯乙酮摩尔比为1：1.1，反应3h查尔酮产率可达96.88％；以环已酮为原料，催化剂用量为原料总质量的10％，反应温度为190℃，反应3h，二聚物的总收率可达85.66％；以动物油和甲醇为原料，醇油摩尔为9：1，催化剂用量为动物油质量的2％，反应温度为70℃，反应3h后，生物柴油的收率可达91.8％。
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The effects of temperature and reaction time on the conversion of phenylaldehyde and yield of cinnamaldehyde were determined from 220℃ to 300℃.
在温度220~300℃范围内，测定了温度和反应时间对苯甲醛转化率和肉桂醛收率的影响。
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The results showed that cinnamaldehyde could be synthesized successfully through the reaction of phenylaldehyde with acetaldehyde in near-critical water without adding any catalyst.
在近临界水中，以苯甲醛和乙醛为原料，在无外加任何催化剂的条件下，合成肉桂醛。
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The novel methods for the synthesis of Camptothecin intermediates were described as Friedlandle. Second, we synthsized the key compound—BI, and then made some improvements and innovations of the methods from the reference. The method of using more economically phenylaldehyde derivatives and phenylamine derivatives instead of o-aminobenzaldhyde was worked out.
然后成功合成重要的中间体BI，并且在参考原始文献的基础上作出了改进和创新，使用更便宜的苯甲醛衍生物和苯胺衍生物代替了邻氨基苯甲醛，合成了一系列未关B环的喜树碱中间体衍生物，并获得成功。
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Using PbO2/Ti as anode,pure lead as cathode,H2SO4 as medium,MnSO4 was electrolyzed into Mnin a undivided cell,then,using Mnas oxidant, p-chloro-toluene was oxidized into p-chloro-phenylaldehyde.
采用无隔膜电解槽，以PbO2／Ti为阳极，纯Pb为阴极，MnSO4在H2SO4介质中电解为Mn，于电解槽外氧化对氯甲苯生成对氯苯甲醛。
- 推荐网络例句
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In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.
。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。
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Go down on one's knees;kneel down
屈膝跪下。。。下跪祈祷
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Nusa lembongan : Bali's sister island, coral and sand beaches, crystal clear water, surfing.
Nusa Dua ：豪华度假村，冲浪和潜水，沙滩，水晶般晶莹剔透的水，网络冲浪。