aldehydes的例句大全

Results show that the essential oils of rhodiola crenulata mainly fatty acid, terpene, alcohol and a small amount of esters, ketones, aldehydes, paraffin, phenols and other ingredients.

结果表明，大花红景天的挥发油主要是脂肪酸类、萜类、醇类及少量酯、酮、醛、烷烃、酚类等成分。

Terpenoid aldehydes from induced cotton plants inhibited the germination of conidia of Verticillium dahliae Kleb.

用孢子萌芽法鉴定该物质的抑菌活性，证实对棉花黄萎病菌分生孢子萌发有抑制作用。

Reductive Coupling of Aromatic Aldehydes Using Low Valent Titanium Complexes under Ultrasound Irradiation

超声辐射下低价钛配合物诱发芳香醛的还原偶联

The esters and their areas of the slow frozen melon reduced, while the concentration of C9 unsaturated aldehydes and alcohols increased with the long time frozen storage, and they gradually became the main flavor compounds.

缓冻金皇后甜瓜多数酯的种类和含量减少，而冷冻和冻藏产生的C9不饱和醇和醛的含量增加，并逐渐成为冷冻甜瓜的主要香气成分。

The heated melon juice generated a lot of new C9 unsaturated aldehydes and alcohols, which strengthened the melon juice green note.

金皇后瓜汁加热都产生了较多的C9不饱和醛和醇，它们增加了金皇后瓜汁的青鲜气。

Part 2: Titanium trichloride in EtOH or H2O can be reduced by Al to the corresponding low valent titanium complexes, which can reduce some aromatic aldehydes and ketones to the corresponding pinacols in 35-83% yields under ultrasound irradiation.

第2章：超声辐射下在乙醇或水溶液中，由铝粉-三氯化钛还原体系诱发芳香醛酮还原偶联，片呐醇的收率为35~83%。

Preparation of a Library of Dipeptide Aldehydes by Parallel Solution Phase Synthesis

平行液相法制备二肽醛化合物库

The organic of SOA effects the physical and chemical changes of aerosol particles, thus impacts atmosphere and climate. Therefore, we need to be further gone into the reaction pathway of SOA formation and polymerization of organic aldehydes.

SOA中的有机物影响着气溶胶颗粒的物理和化学变化性质，进而对大气和气候产生影响，因此，要深入认识SOA的形成过程的反应途径和有机醛酮的聚合反应。

Study on Reactive Aldehydes Group Content in Dialdehyde Starch

双醛淀粉中有反应活性醛基含量的研究

The keto form predominates in many aldehydes and ketones, the enol form in phenols.

在许多醛和酮中酮基都是最主要的组分。

The relative content of esters in grapes with vertical trellis system was higher than that of pergola system during later maturation, while the relative content of ketones, aldehydes and terpenes lower.

篱架葡萄成熟后期酯类物质相对含量高于棚架，而酮醛类物质和萜类物质相对含量低于棚架。

A Study on DNA Damage and Biomarkers of Aldehydes

醛类化合物DNA化学损伤机制及生物标志物的研究

a novel method for reducing aldehydes to the corresponding alcohols with high selectivity in supercritical carbon dioxide using water as hydrogen donor and zn dust as electron donor has been developed.

报道了在超临界CO2中，实现氢转移反应的新方法，这一方法以水为氢授体，锌粉为电子授体，高选择性地还原对甲基苯甲醛为相应的醇。

Among 71 identified compounds, there were 21 hydrocarbons which were mainly limonene and γ-terpinene, and 50 oxygenated compounds in representative of linalool, α-terpineol, thymol and aliphatic aldehydes.

在碳氢化合物中以柠烯、γ萜品烯为主要成分；而在含氧化合物中主要是沉香醇、α萜品醇、百里酚以及一些脂肪族醛。

ammonium molybdate, ammonium dichromate, ammonium chromate and ammonium tungstate showed positive effects on the formation of aldehydes and reduced the loss of rhodium in the distillation process for the separation of the catalyst and products.

结果表明，钼酸铵、重铬酸铵、铬酸铵或钨酸铵的添加对提高产物醛的收率有促进作用，并且在蒸馏分离催化剂和产物的过程中可以减少Rh的损失。

Synthesis of bis ( indolyl) methanes via electrophilic substitution reactions of indoles with aromatic aldehydes and ketones catalyzed by aminosulfonic acid was carried out in 23-96% yield at 30~ 38 ° C in EtOH aqueous solution under ultrasound irradiation.

超声辐射下在30～38℃的乙醇水溶液中，氨基磺酸催化吲哚与芳香醛或酮反应合成二吲哚甲烷，产率23～96%。

Research on the Autoxidation Oscillating Reaction of Aldehydes

醛类自氧化振荡反应动力学的研究

The Mannich reaction between benzalacetone aromatic aldehydes and aromatic amines

苄叉丙酮与芳香胺和芳香醛的Mannich反应

Studies on Wittig Reaction ⅴ. Stereochemistry of Reaction of Benzylidene Alkyl Diphenyl Phosphorane with Substituted Aromatic Aldehydes

Wittig反应的研究&Ⅴ.亚苄基烷基二苯基膦与取代芳醛的反应

Progress on MPV Reduction Catalysts of α, β-unsaturated Aldehydes/ Ketones

α，β-不饱和醛/酮MPV还原反应催化剂研究进展