查询词典 acrylic aldehyde

Synthetic progresses of the sorbitol acetals in process routes, the molar ratios of aldehyde to sorbitol, the reaction temperature, the types and the amount of acid catalysts, the types of acromatic aldehyde, reaction solvents and purification methods of products were reviewed at domestic and aboard with 46 references.

讨论了缩醛反应机理。从反应工艺路线、反应物醛与醇物质的量比、反应温度、酸催化剂的种类和用量、芳香醛的种类、反应溶剂及产物的纯化方法等方面全面综述了国内外山梨醇缩醛类成核剂合成研究进展。

The present invention belongs to technology field for preparing aldehyde or ketone by oxidizing alcohol, particularly which is microwave-promoted method for preparing aldehyde or ketone by alcohol liquid-phase selective catalytic oxidation.

本发明属于醇氧化制取醛、酮技术领域，具体为一种微波促进的醇液相选择氧化制备醛或酮的方法。

As far as these organic matters are concerned, there are as much sixteen kinds of low molecular weight organic acids and Aldehyde, Alcohol, Ketone, Carboxylic acid, Carboxylic acid, Furan, Pyrazine, Fat hydrocarbon, sulphide and so on. The results have also shown that the content of Aldehyde, Alcohol, Fat hydrocarbon, Carboxylic acid, Furan, Pyrazine, sulphide in composted production amended with NMF inoculants increased 6.5%、9.2%、5.7%、15.6%、9.8%、11.3% and 28.6%, respectively.

研究证实添加微生物腐熟菌剂的奶牛粪堆肥产品中醛类、醇类、酯类、羧酸类、呋喃类、吡啶类和含硫类等低分子有机化合物的相对含量比未添加NMF微生物腐熟菌剂分别增加6.5%、9.2%、5.7%、15.6%、9.8%、11.3%和28.6%，而酮类、脂肪族碳氢化合物的相对含量则分别减少11.4%和15.5%。

Results:Methyl aldehyde can"t preserves efficiently the ultrastructure of the renal biopsies.Osmium tetroxide can preserves efficiently it but affects dyeing of the section for light microscopy.However,glutraldehyde not only preserves it better than methyl aldehyde but also doesn"t affect dyeing of the section for light microscopy.

结果：甲醛固定不能有效保存肾穿组织的超微结构，锇酸的固定能有效地保存超微结构，但严重影响了光镜切片的染色；而戊二醛与甲醛相比，较好地保存了肾穿组织的超微结构，同时又不影响光镜切片的染色。

They are 2,7-dihydroxy-1,5,6-trimethoxy-9,10-phenanthrene,p-hydroxy phenyl aldehyde, 4-Hydroxybenzyl alcohol, Protocatechuic aldehyde, Gastrodin, 4,4'-Dihydroxydiphenylmethane,4-(4-(hydroxym-ethyl)phenoxymethylphenol,Isorhamnetin-3-O-glucoside,Isorhamnetin-3,7-di-O–glucoside, Imbricatin,2,3-dihydroxy-7-methoxy-9,10-dihydrophenanthropyrone, Cyclopholidone,Cyclopholidonol and β-daucosterol.

分别为：2，7-二羟基-1，5，6-三甲氧基-9，10-二氢菲，对羟基苯甲醛、天麻苷元、原儿茶醛、天麻素、4-（4-羟基-苄基）苯酚、4(4-苯氧基甲基苯酚、异鼠李素-3-O-葡萄糖苷、异鼠李素-3-O-7-O-二葡萄糖苷、Imbricatin、2，7-二羟基-3-甲氧基-9，10-二氢菲吡喃酮、Cyclopholidone、Cyclopholidonol和β-胡萝卜苷。

Firstly, phenyliodine diacetate was immobilized to the 2% cross-linked polystyrene or the liner polystyrene resin. The more iodine the resin had, the lower conversion to phenyliodine diacetate. We made our endeavor to extend the range of useful application of polystyrene supported phenyliodine diacetate in organic synthesis:(1) the reagent was used as an effective reagent of carbonyl regeneration from oximes and semicarbazones of ketones.(2) the reagent was also applied to the synthesis of 1, 3, 4-oxadiazoles, 1, 3-disubstituted-2-pyrazoline, 2-arylbenzoxazole from aldehyde N-acylhydrazones, aldehyde hydoazones and phenolic Schiff's bases respectively.

首先，我们以2％交联的聚苯乙烯和线性的聚苯乙烯树脂为载体，制备了聚合物负载的二醋酸碘苯，通过研究发现：(1)聚苯乙烯二醋酸碘苯是酮肟、缩氨脲有效的去保护试剂，不仅芳香酮，脂肪酮和α，β不饱和酮的肟、缩氨脲也能顺利转化为相应的酮，实现酮基的再生；(2)我们还利用此试剂，分别与醛的N-酰基苯、N-酰基苯腙及邻羟基芳亚胺反应，在温和的条件下发生成环反应，以良好的产率生成1，3，4-噁二唑、吡唑啉和二取代苯并噁唑等杂环化合物；(3)聚苯乙烯二醋酸碘苯还可有效地将邻羟基芳酮的酰腙经氧化、重排成1，2-二酰基苯。

Was established in 2002, Foshan City, formerly known as Qing Cheng Chemical Co., Ltd., is a company specializing in the provision of paint, ink resins and the main raw materials such as paint additives companies, products include: Solid thermoplastic acrylic resin , aldehyde and ketone resins, poly ketone resin, formaldehyde resin, chlorine vinegar resin, polyurethane resin, paste wax, solvents such as DBE.

广州优霓科贸易发展有限公司于2002年成立，前身是佛山市清诚化工有限公司，是一家专业提供涂料、油墨主体树脂及颜料助剂等原辅料的公司，产品有：热塑性固体丙烯酸树脂，醛酮树脂，聚酮树脂，醛树脂，氯醋树脂，聚氨脂树脂，蜡浆，溶剂DBE等。

It is an excellent adhesion improver used in polyamide, epoxy, nitrile, phenol aldehyde adhesive and sealed material to improve the dispersion of pigment and the adhesion to glass, aluminum, iron, also applicable for latex coating such as polyamide, epoxy and acrylic acid type.

优异的粘结促进剂，可用于聚氨酯、环氧、腈类、酚醛粘胶剂和密封材料，改善颜料的分散性并提高对玻璃、铝、铁金属的粘合性，也适用于聚氨酯、环氧和丙烯酸乳胶涂料。

In this paper applications and developing process of acrylic resin as retanning agent were discussed,and the synthesis and development of amphoteric acrylic polymer syntan were discussed.

本文讨论了丙烯酸树脂复鞣剂的应用现状及其发展前景，并讨论了两性丙烯酸类树脂鞣剂的合成方法和发展过程。

Plexiglass technology products: acrylic boxes, phone booths, frame, frame, the display stand, gift base, Watch Fair planes, on the phone, business cards, with Cardcase, billboards , Oriented card, drinks licence, a special counter to shopping malls, hotel supplies, furniture items, alcoholic drinks and tobacco packaging, open-Machinable acrylic, Rewan, silk screen, sandblasting, computer carving, the laser Qiejia cut.

亚克力盒，电话亭，相框，相架，展示架、礼品底座，钟表展架，手机座，名片座，名片盒，广告牌、导向牌、酒水牌，商场专柜，酒店用品，家具用品，烟酒包装，可加工亚克力开介，热弯，丝印，喷沙，电脑雕刻，激光切加割工。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。