醛类

In general, they are synthesized by using chemistry oxidant to oxidize methyl group of aromatic compound into the aldehyde group.

其生产方法一般采用化学氧化剂氧化甲基化合物的方法，即采用化学氧化剂氧化甲基化合物得到芳香族醛类。

Asbestps latex sheets;tensile strength ;refining; aldehyde resin strengthening agent

石棉胶乳抄取板；抗张强度；打浆；醛类树脂增强剂

A pH-responsive controlled releasing carrier for medicine is a chitosan-base gel which is prepared from Chitosan, gelatin and pectin through cross-linking by aldehyde cross-linking agents, and features obvious pH dependency, high biocompatibility and abling to biologically degradate. It can be used for detention-type controlled releasing medicines to avoid toxic' by-effect due to excess dosage.

一种pH响应性药物控释载体，采用壳聚糖、明胶和果胶等天然高分子材料用醛类交联剂共交联合成了壳聚糖基凝胶，用该凝胶制备的药物释放体系呈明显的pH依赖性，用于口服抗酸、治疗胃肠疾患的滞留型控释制剂，可避免释放药量过度导致的毒副作用，且该控释载体生物相容性好、可生物降解。

The synthetic reactions of sobitol acetals from sobitol and benzadehyde were considered being exothermic according to the bond energy changes of the reaction and the reaction mechanisms were described.

介绍了多元醇缩醛类成核剂的发展历程和合成工艺。从键能变化的角度分析了反应的热效应，认为在标准状态下该反应属于放热反应。

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。

In addition, there are a large number of strong hydrogenbondings(N-H…O,O-H…O) and weak hydrogen bondings in involving the cations,perchlorate counter-ions,PNOS and water molecules, which result in formation 3-D networkstructure.

晶体中Ni与配体希夫碱中的N 、N(吡吡啶醛类过渡金属希夫碱配合物的合成、晶体结构及谱学表征啶)、O原子配位形成变形的八面体构型，由于分子间，存在大量的强氢键和弱氢键，这些氢键的交互作用使得该配合物形成二维网状结构。

Owing to different structures of cotton fiber and chitin fiber ,they have different adsorbability to reactive dyestuffs.

采用不同的醛类化合物对甲壳素纤维上的氨基进行保护，活性染料染色后用稀酸脱去氨基的保护基。

In the sidestream smoke of cigarette, there are many substances which are harmful to people's health, such as nicotine, aldehyde.

卷烟燃烧时释放出大量侧流烟气，其中有很多危害人们身体健康的物质，如烟碱、醛类物质等。

The occurrence mechanism of the optical chemical reaction and formation condition have been discussed as well.

是一类具有刺激性的浅蓝色烟雾，包含有臭氧、醛类、PAN等强氧化剂。

The identity of the gene encoding the mitochondrial K-activated acetaldehyde dehydrogenase K(+-ACDH of Saccharomyces cerevisiae has been confirmed. The gene is situated on the right arm of chromosome XV, bears the systematic name YOR374w and the deduced product shows significant homology to other members of the S.

中文摘要酵母菌醛类去氢酶4（YOR374w）是一种位在粒线体内的去氢酶，需要钾离子的活化，以及NAD+或NADP+当辅酶，在乙醇的代谢途径扮演很重要的角色，尤其是以乙醇当碳源的环境下。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。