查询词典 aldehyde collidine

The preparation technique of aldehyde acetals energetic plasticizers BDNPF and BDNPA is introduced.Their physico-chemical properties,energy characteristics,thermol performance and application in the formulations of explosives and prope...

重点介绍缩醛类含能增塑剂BDNPF和BDNPA的制备技术，论述了其物理化学性能、能量特性和热性能，以及在炸药、推进剂配方中的应用，指出此类化合物的合成及应用，将是含能增塑剂研究的重点。

Shrinked aldehyde drying glue and soldering tin is two kinds of adhesive materials used for adhibiting and fixing the pieces of ferrite on the inner wall of the shell of microwave ferrite devices.

易容平（华东电子工程研究所，安徽合肥 230031）摘要：缩醛烘干胶和焊锡是微波铁氧体器件中常用的两种粘接材料，用于铁氧体片在器件壳体内壁既定位置上的固定。

The combined technique of GC/MS was used to analyze the out water. The results showed that the activated bacteria could can degrade the hard degradation organism, such as esters, aldehyde, alcohols, alkanets and so on.

通过GC/MS联用技术对焦化废水出水的水样分析，可以发现该活性细菌在培养条件下能部分降解酯类、醛类、醇类、烷烃类等难降解有机化合物。

Third, the phenyl aldehyde precipitation method and ion-exchange method were utilized to refine the eluent.

次之，分别采用苯甲醛沉淀法和离子交换法对L-精氨酸粗提液进行纯化精制。

In higher plants,glycin betaine is synthesis from choline by choline monooxygenaseand betaine aldehyde dehydrogenase.

在高等植物中，甜菜碱是由胆碱经胆碱单加氧酶(choline monooxygenase，CMO)和甜菜碱醛脱氢酶(betainealdehyde dehydrogenase，BADH)催化生成的。

Straight-chain compounds: The compositions of this part contain aldehyde, alcohol and ketone.

直链化合物：组成这一部分的化合物有醛、醇和酮。

The present invention prepares aldehyde or ketone by catalytic oxidation of alcohol under microwave irradiation, which takes sodium tungstate and tungstic heteropolyacid salts as catalyst, takes bidentate ligand containing nitrogen and oxygen as additive and takes hydrogen peroxide as preparing oxidant.

本发明以钨酸钠和钨的杂多酸盐为催化剂，以含氧氮的双齿配体作为助剂，以双氧水为氧化剂，在微波辐照下催化氧化醇制备得醛或酮。

By simply stirring L-dopa methyl ester 1 and aldehyde 2 with anhydrous sodium acetate in acetic acid at room temperature for several hours, we obtained the desired 1, 3-syn compound 3 predominantly.

Et-743类似物的合成：由于化合物14 C-1位的保护基没能脱除，所以我们决定调整合成路线，采用了先将化合物13的C-1位的保护基脱除，再将C-21位羰基还原氰基化的策略。

This thesis reported the synthesis of N-alkyl phosphonic acids and their complexes by using the reaction of methyl aldehyde, amine and phosphorus acid. The probable structure of the complexes were identified by IR and ESR.

本文介绍了以甲醛和胺、亚磷酸合成N—烃基膦酸后，再合成相应的Cu、Zn络合物，并用IR、原子吸收、ESR对络合物进行了表征，推测了络合物的可能结构。

Acetic acid equipments using material in PTA, PVA, aldehyde oxidation and methyl alcohol carbonyl synthetic four plants in chemical industry and chemical fibre production are analyzed.

对化工化纤生产中的精对笨二甲酸、聚乙烯醇、乙醛氧化生产醋酸与甲醇羰基合成醋酸4个装置醋酸设备用材进行分析，并对含Cl-、含Br-、含I-的醋酸及含Cl-的甲乙混酸对不锈钢、铜、钛与镍基合金等金属材料腐蚀原因作了讨论。

You can buy sweetened beverages, if that suits you.

你若喜欢的话，可以买些含有糖精的混合饮料。

As many of you are probably aware, Nick and Vanessa were recently faced with an embarrasing sex scandal after naked pictures of the two getting jiggy with it in a hot tub surfaced the net.

正如很多你可能知道，尼克和 Vanessa 最近面临一个尴尬的绯闻事件后，赤裸裸的图片两个越来越jiggy与它在浴缸中的一个热点浮现净。