乙二酰二胺

Two compounds were isolated from ethyl acetate extract of the fermentation of fungus 07-11,which obtained from the soil of Yunnan Province. They were identified as N-(4-hydroxy-2-methoxyphenyl)acetamide (1) and ergosta-7,22-diene-3,6-dione (2) respectively on the basis of spectral analyses and physical and chemical identifications.

从云南土壤真菌07-11号菌株的发酵液乙酸乙酯萃取物中分离得到2个化合物，通过理化鉴别和光谱测定，鉴定两化合物分别为N-(4-羟基-2-甲氧苯基)乙酰胺(1)和麦角甾7，22-二烯-3，6-二酮(2)。

This chelating starch was used to chelate copper and argentum ions,and thermal gravity analysis was .

以淀粉为原料，接枝丙烯酸甲酯，然后与乙二胺反应，合成了具有多个酰胺基和胺基的螯合淀粉。

Polyethersulfone with cardo was a developed engineering thermoplastic and membrane material with high glass transition temperature,PES-C ultrafiltration membranes were prepared by phase inversion method using dimethylacetamide as solvent and oxalic acid and polyethylene glycol as additives.The membrane morphology forming and evolution could be observed by the experimental system and method.The effect of additive and polymer concentration on cast solution and the gelation kinetics of polyethersulfone with cardo asymmetric membrane were studied.

采用耐高温工程塑料——含酚酞侧基的聚芳醚砜为膜材料，草酸和聚乙二醇为添加剂， N，N -二甲基乙酰胺为溶剂，并利用改进的凝胶动力学实验装置和方法，使之能真实地再现不同膜孔结构生长及发展演化的过程，借助相关软件对图像进行处理，考察了添加剂、聚合物浓度对铸膜液凝胶速度的影响，对酚酞基聚芳醚砜非对称膜的凝胶过程的动力学进行研究。

It was obtained with ethylenediamine and ethenesulfonic sodium as primary material through addition.

它是一种易降解的新型Gemini表面活性剂－N， N'-双癸酰基乙二胺二乙磺酸钠的中间体。

Benzyloxy benzoyldimethylsulfoxide was prepared by the reaction of ethyl 4-benzyloxybenzoate and dimethyl sulfoxide in the presence of sodium hydride, followed by Pummerer reaction with concentrated hydrochloric acid to afford eo-hydroxy-co-thio-methyl-(4/-benzyloxy) acetophenone, which reacted with urea, thiosemicarbazide, semicarbazide hydrochloride and o-phenylenediamine to give imidazolidine-2,4-dione, l,2,4-triazine-3- one and quinoxaline derivatives, respectively.

本文用4-苄氧基苯甲酸乙酯和二甲亚砜为原料，在氢化钠存在下反应，合成了(4′-苄氧基)-苯甲酰基-二甲亚砜。研究了该亚砜在浓盐酸的存在下发生的Pummerer重排反应，用重排产物ω-羟基-ω-甲硫基-(4′-苄氧基)-苯乙酮分别与尿素、氨基脲、氨基硫脲和邻苯二胺反应合成了2，4-咪唑啉-二酮、1，2，4-三嗪-3-酮、喹喔啉等含氮杂环化合物。

N-(1-Naphthyl)ethylenediamine dihydrochloride solution was injected into the mixed flow of the water sample and sulfanilamide solution. Red dye formed by the reactions was spectrophotometrically detected at lλmax 540 nm.

将N-(1-萘基)乙二胺二盐酸盐溶液注入到水样和对氨基苯磺酰胺溶液的混合流，在lλmax 540nm处对反应形成的红色染料进行分光光度检测。

N-1-Naphthylethylenediamine dihydrochloride solution was injected into the mixed flow of the water sample and sulfanilamide solution. Red dye formed by the reactions was spectrophotometrically detected at lλmax 540 nm.

将N-1-萘基乙二胺二盐酸盐溶液注入到水样和对氨基苯磺酰胺溶液的混合流，在lλmax 540nm处对反应形成的红色染料进行分光光度检测。

Results show that, by using thionyl chloride and N,N-dimethyl formamide as chlorinating reagent and dichloromethane as solvent and taking -15℃ as reaction temperature, Z-iomer crystals with pale white color and stable to temperature can be obtained with an overall yield of 70%.

以2-（2-氨基噻唑－4-基）－2-甲氧亚氨基乙酸为原料，经盐酸化、氯代等反应合成了Z-2-（2-氨基噻唑－4-基）－2-甲氧亚氨基乙酰氯盐酸盐；氯代时以用亚硫酰氯和N，N-二甲基甲酰胺的混合物代替五氯化磷作氯化剂，并考察了温度和溶剂对氯代产物中Z-异构体和E-异构体收率的影响。

The condensation of aromatic aldehydes with active methylene compounds like malononitrile, cyanoacetamide and ethyl cyanoacetate has been found to proceed very efficiently at room temperature giving excellent yields, but the condensation of heteroaromatic,α,β-unsaturated and aliphatic aldehydes with active methylene compounds proceeded smoothly in 50~65℃ with good yields and the reactions of aromatic, aliphatic ketones as well as p-phthalaldehyde with malononitrile also proceeded in 75~85℃ with moderate yields.

芳香醛与活泼亚甲基化合物如丙二腈、氰基乙酸乙酯、氰基乙酰胺的缩合在室温下即能顺利进行，获得了很高的收率；而对于杂环芳醛、α，β-不饱和的醛以及脂肪醛与活泼亚甲基化合物的缩合，需在50~65℃下进行，也取得了很高的收率；对于脂肪酮、芳香酮以及二元醛与丙二腈的缩合在75~85℃下也能顺利地进行，获得中等以上的收率。

Ingredients: water,decyl glucoside,glycerin,sodium cocoamphodiacetate,sodium pca,polysorbate-20,cocamidopropyl betaine,carya illinoensis powder,panthenol,carbomer,aloe barbadensis leaf juice,lavandula angustifolia oil,perfume,tetrasodium edta,lactic acid.

主要成份：去离子水，葵基葡聚糖，甘油，椰油两性二醋酸二钠，吡咯烷酮羧酸钠，聚山梨醇酯-20 ，椰油酰胺丙基甜菜碱，核桃粉，泛醇，卡波姆，芦荟叶萃取物，薰衣草精油，香精，乙二胺四乙酸四钠，乳酸。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。