醛类

The result indicated that the phenolic acid and its mixture could defer the remarkable time of wild oat seed germination, reduce seed germination rate, inhibit the physiological parameter and accumulated amount of dry matter to a certain extent, decrease the Root activity and chlorophyll content inordinately, and increase malondialdehyde level in seedling.

结果表明：酚酸类物质及其混合物可以显著延缓野燕麦种子发芽所需要的时间，降低最终的萌发率，对野燕麦幼苗的生理指标及干物质积累有一定的抑制作用，根系活力与叶绿素含量也有不同程度的下降，同时使幼苗体内丙二醛的含量显著增加。

In comparison with traditional solid acidiccatalyst of HY, the sulfonic-functionalized mesoporous silicas showedsuperior catalytic performance in the reaction of acetalization betweenbenzaldehyde and alcohols.

其与传统沸石固体酸催化剂HY相比显示了较好的催化性能，应用在苯甲醛与醇类缩合反应中缩醛产率已达到90％，而且具有很好的重复使用性能。

A series of p-toluene sulfonylamido acetacylhydrazone derivatives were synthesized from p-toluenesulfonyl chloride which reacted with glycine to get the intermediate p-toluene sulfonylamido glycine, then through the esterification, hydrazinolysis to afford another intermediate p-toluene sulfonylamido acethydrazide, which condensed with different aldehydes to obtain the target compounds that were characterized by IR, 1H NMR, 13C NMR spectra and elemental analysis.

魏太保 ；冷艳丽；王永成；张建辉；张有明*摘要：以对甲苯磺酰氯为原料，通过与氨基乙酸反应得到中间体对甲苯磺酰氨基乙酸，再经酯化、肼解得到对甲苯磺酰氨基乙酰肼，然后与相应的醛缩合得一系列对甲苯磺酰胺基乙酰腙类化合物。其结构经元素分析， IR， 1H NMR和13C NMR确证。

The condensation of 3 carbethoxy isoquinol 4 one with carbamidine, amidine, carbamide and sulfocarbamide gave isoquinolo pyrimidine derivatives, respectively and isoquinolo quinoline derivatives were synthesized by the reaction of o aminobenzaldehyde or o aminopiperonal with isoquinol 4 one.

报道了利用 3 乙氧甲酰基异喹啉 4 酮分别与胍、脒、脲及硫脲类化合物缩合反应合成异喹啉并嘧啶衍生物，邻氨基苯甲醛、邻氨基胡椒醛分别与异喹啉 4 酮反应合成异喹啉并喹啉化合物。6个新化合物的结构通过元素分析、红外光谱、核磁共振氢谱和质谱予以证

Huang Shui contains rich alcohol, aldehyde, acid and ester not only kind material, still contain rich organic acid, amylaceous, reduced sugar, yeast to wait for nutrient material from dissolve content, contain a large number of classics the brew of long-term domestication is microbial reach unripe sweet before remaining part of wine of form substance; also is contained a few available material.

黄水不仅含有丰富的醇、醛、酸和酯类物质，还含有丰富的有机酸、淀粉、还原糖、酵母自溶物等营养物质，含有大量经长期驯化的酿造微生物及生香的前体物质；酒尾也含有一些可利用的物质。

Cluster analysis show that: proline content,sugar content, K~+/Na~+ content, MDA content, relative water content, CAT acitivy,photosynthesis rate and chlorophyll content can be indexs to comprehensive evaluate theability of salt-tolerance for Arrhenatherum elatius L..

聚类分析表明，脯氨酸含量、可溶性糖含量、钾钠含量比、叶片相对含水量、丙二醛含量、CAT活性、光合速率及叶绿素含量也可作为综合评价高燕麦草耐盐能力强弱的指标。

Seven Schiff bases of N-(4-hydroxyphenylmethylene)-1-naphthylamine, N-(4-hydroxyphenylmethylene)-p-methoxyaniline, N-(4-hydroxyphenylmethylene)-benzylamine, N-(4-hydroxy-3-methoxyphenylmethylene) furfurylamine, N-(4-hydroxy-3-methoxyphenyl methylene)-p-methylaniline, N-(4-hydroxy-3-methoxyphenylmethylene)-p-methoxyaniline and N-salicylidene-4-aminoantipyrine were first synthesized by the one step solid phase reactions between aromatic aldehydes with phenolic hydroxyl and amines at room temperature without solvent.

分别以带酚羟基的芳醛与胺类反应，首次通过室温固相反应一步合成了N-（4-羟基苯基亚甲基）-1-萘胺、N-（4-羟基苯基亚甲基）-对甲氧基苯胺、N-（4-羟基苯基亚甲基）-苄胺、N-（4-羟基-3-甲氧基苯基亚甲基）糠胺、N-（4-羟基-3-甲氧基苯基亚甲基）-对甲苯胺、N-（4-羟基-3-甲氧基苯基亚甲基）-对甲氧基苯胺和N-亚水杨基-4-氨基安替比林7种Schiff碱，反应15min完成，产率均超过90％。

The second part is about that five-membered rings compounds were synthesised using aromatic aldehyde,α-bromoketone and imine ester in the present of zinc power.

2以芳香醛，α-溴代苯乙酮与氨基酸酯亚胺类化合物在金属锌粉的作用下，生成一系列的四氢吡咯化合物。

Third 2 aldehyde are not saturated fat kind the matter of special local product that lives oxidation, it has main effect in process of human body consenescence.

丙二醛是不饱和脂类过氧化作用的特产物，它在人体衰老过程中起重要作用。

The main products are lndustrial Crotonaldehyde,Mixture of Organosilicon Monomer,Industial Sodium Polyacrylate and acrylate bond.

目前，主要产品有松江牌丁烯醛、有机硅混合单体、甲基氯硅烷等系列产品、工业聚丙烯酸钠、丙烯酸酯类粘合剂等系列产品。

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。