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Methods:Is poisoned case of illness the fluorine acetamide stochastically to divide into the treatment group and the comparison group, two groups both use the conventional treatment, in this foundation, to treats the group case of illness after to be poisoned a week to give the niter benzene even treatment.

目的:研究硝苯地平对恢复期氟乙酰胺中毒患者的脑电图的影响方法:将氟乙酰胺中毒病例随机分治疗组和对照组,两组都使用常规治疗,在此基础上,对治疗组病例在中毒1周后给予硝苯地平治疗。

The internal and external development of p -aromatic polyamide fiber , particularly poly ( p -phenylene tereph-thalamide) fiber, was introduced from the aspects of fiber varieties, output, properties and advanced composite materials reinforced with this fiber.

介绍了对位芳香族聚酰胺纤维特别是聚对苯二甲酰对苯二胺纤维的国内外发展情况,包括纤维品种、产量、性能和该类纤维作为先进复合材料骨架的发展情况。

The photocatalytic oxidation performance and kinetics of the simulated organic wastewater in a circulating slurry photocatalytic reactor was investigated.The effects of operation conditions, such as dosage of photocatalyst, illumination time, initial benzamide concentration, pH value, anions and cations in wastewater, on the photocatalytic oxidation performance were discussed.

采用循环式浆态光催化反应器对苯甲酰胺模拟废水光催化氧化特性和动力学进行了研究,系统地考察了操作条件对模拟污染物光催化降解的影响,并与搅拌式和鼓泡床式浆态光催化反应器中苯甲酰胺的降解效果进行对比。

The degradation experiments of benzamide by photocatalysis and electrically assisted photocatalysis demonstrated that the extra electric field had the obvious assistant effect on photocatalysis and the benzamide degradation rate by EAP was much higher than that by photocatalysis. When the electrode potential of photocatalyst was -0.05V/SCE, the removal efficiency of benzamide could be 95% in 120min.

苯甲酰胺降解试验表明,外加电场对光催化氧化技术具有较强的辅助作用,电助光催化氧化技术的处理效率远远高于光催化氧化技术,当施加的电极电位为-0.05V时,苯甲酰胺在120min时的去除率可达95%。

Off-line HPLC coupled with MS gives the result that 4-chlorophenyl urea and 2-chloro-N-(4-chlorophenyl) benzamide are two photoproducts. In comparison with their retention times and UV specta with those of standards, some other photoproducts identified are 2-chloro benzamide, 4-chlorophenyl urea and 4-chloro aniline.

收集光解产物各级分,采用直接进样法在MS上测得其中的二种光解产物为对氯苯基脲和N-邻氯苯甲酰胺:通过与标样在同样HPLC条件下的保留时间和UV吸收光谱相对照,证明产物中存在有邻氯苯甲酰胺、对氯苯基脲和对氯苯胺等。

The structure analysis indicates that the reverse symmetry ligand H4LB molecules are linked into a 2D supermolecular network by two types of hydrogen bonds. One type occurs between the oxalamide oxygen group and the phenol hydroxyl qroup of the nearest molecule with d=2.906(2) and ∠O-H…O=151.8°. The other type is between the oxalamide nitrogen group and the oxalamide oxygen group of anther molecule with d=2.849(2),∠N-H…O=158.7°.

晶体结构研究表明配体H4L为顺式桥联分子,晶体中存在两种氢键,一种是草酰胺基团的O原子与苯环上的酚羟基形成O-H…O氢键[d=2.906(2),∠O-H…O=151.8°];另一种是草酰胺基团的氨基与相邻草酰胺基上的O原子形成N-H…O氢键[d=2.849(2),∠N-H…O=158.7°],通过上述两种氢键将化合物H4LB连接成二维网络结构。

A novel fluorescent acrylamide monomer, N-(4-Benzooxazol-2-yl-phenyl)- acrylamide, was prepared from o-aminophenol, p-aminobenzoic acid and acryloyl chloride, with polyphosphoric acid as dehydrating agent and triethylamine as deacidification agent.

以邻氨基苯酚、对氨基苯甲酸和丙烯酰氯为原料,以多聚磷酸为脱水剂、三乙胺为脱酸剂,研制了一种新的荧光丙烯酰胺单体N-[4-(苯并噁唑-2-)苯基]丙烯酰胺。

In this paper, the synthesis of polyamide acid resin, with 4, 4′-diam-inodiphenyl ether and pyromellitic dianhyride as monomers and dimethylacetamide as solvent, is reported; the preparation of polyimide fiber from PAA resin by dry- spinning method is described; and the effects of various factors of operating conditions upon the mechanical properties of the fiber is discussed.

本文报导了用4,4′—二氨基二苯醚与苯均四酸酐作单体,在N,N′—二甲基乙酰胺溶剂中合成聚酰胺酸树脂,以及用该树脂经干纺法制备纤维和制备过程中各项参数对纤维力学性能的影响。

A series of polys based on pyromellitic dianhydride, biphenylyl tetracarboxylic dianhydride, thiodiphthalic dianhydride bis benzene dianhydride and oxydiphthalic dianhydride were prepared in different solvents.

以所合成的AB_2单体为原料,合成了一系粘度较低、溶解性良好,带端酚羟基、苯甲酰基、乙酰基、氰代苯基和苯酰苯亚胺基的芳香族超支化聚酰亚胺,通过核磁波谱、红外光谱分析和元素分析对其结构进行确证。

Methods 4-Hydroxy- benzonitrile was treated with sodium hydrogen sulfide and anhydrous magnesium chloride in dimethyl formamide to give thioamide, which was then directly cyclized with ethyl 2-chloroacetoacetate without separation to give ethyl 2-(4-hydroxyphenyl)-4-methylthiazole-5-carboxylate(2) in one-pot; then 2 was formylated with Duff reaction adopting hexamethylenetetramine in trifluoroacetic acid to give ethyl 2-(3-formyl-4-hydroxyphenyl)-4-methylthiazole-5-carboxylate(3); finally, the target compound was obtained by the treatment of 3 with hydroxylamine hydrochloride and sodium formate in formic acid.

采用&一勺烩&方法,以4-羟基苯甲腈为起始原料,首先与硫氢化钠和无水氯化镁在N,N-二甲基甲酰胺中反应,所得中间体不经分离,直接加入2-氯乙酰乙酸乙酯进行环合反应,得到2-(4-羟基)苯基-4-甲基-5-噻唑甲酸乙酯(2);然后通过六亚甲基四胺/三氟乙酸进行Duff反应,得到2-(3-甲酰基-4-羟基)苯基-4-甲基-5-噻唑甲酸乙酯(3);再经盐酸羟胺/甲酸/甲酸钠体系脱水得到目标化合物。

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