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The variance of ABA of grape during storage were discussed in this paper.The following results are been drawn:the change of the content of ABA of grapes during storage characterizes by a parabolic shaped curve with obvious peak.Low temperature (0±0.5℃) is conducive to delaying the appearance of the peak of ABA and reduces the peak value.Nine kinds of plant growth regulators and two kinds of chemicals were chosen to treat grape bunches so as to study their mechanisms on ABA of grapes,2,3,5 triiodobenzoic a...

试验研究了葡萄贮期脱落酸的变化,结果表明:葡萄贮期 ABA含量呈抛物线形变化,有明显的高峰出现,低温( 0± 0 。5℃)贮藏具有推迟 ABA峰期和降低峰值的作用,经用 9种植物生长调节剂和 2种化学药品对葡萄果穗处理试验,三碘苯甲酸对 ABA的形成有极强的抑制作用,吲哚- 3-乙酸、赤霉素( GA3)、萘乙酸和 6-苄基氨基嘌呤( 6- BA)对 ABA的形成也具有拮抗作用,矮壮素、比久( B9)、乙烯利和外源脱落酸对 ABA的形成有促进作用。

In this paper,the synthetic method of 2,4,4′trichloro2′aminodiphenyl ether from paradichlorobenzene was described.

由对二氯苯通过硝化、缩合、还原等反应合成 2 ,4,4′三氯 2′氨基二苯醚,总收率 75 %。

It was interesting to find that the melt flow rate curve went parallel to the impact strength with the increasing of CaCO_3 content.

异氰酸酯衍生的氨基甲酸酯、脲基等基团可以通过配位、氢键等形式与CaCO3表面发生作用。

"Bethanechol:a cholinergic drug, CHCLNO, that acts principally by stimulating the parasympathetic nervous system and is used in the form of its chloride to treat abdominal distention and urinary retention."

氨基甲酰甲基胆碱:一种胆碱能药,CHCLNO,主要通过剌激交感神经系统起作用,以其氯化物形式用于治疗胀肚和尿潴留。

Results: The clinical manifestations of paratyphoid A included: fever, normal or count decline of white blood cell and blood eosinophilic granulocyte, half of the patients had rising aminotransferase and were sensitive to diverse antibiotics, especially to fluoquinolones, aminoglycoside, the third generation of cephalosporins and Chloromycetin, the sensitive rates of them were higher than 90%, among them, the sensitive rates of Lavo-Ofloxacin, Butikacin, Gentamicin and Ceftazidime were 100%. Average course of treatment and defervesce was 10 and 5.4 days respectively.

结果:89例患者均有发热,血白细胞正常或减少,嗜酸粒细胞减少,50%有转氨酶升高、对多种抗生素高度敏感,尤其喹诺酮类、氨基糖苷类、头孢三代(头孢他啶、头孢曲松、头孢噻肟)及氯霉素敏感率大于90%,其中,左氧氟沙星、阿米卡星、庆大霉素、头孢他啶敏感率为100%,平均疗程10 d,平均退热时间5.4 d。

The present paper take the purine synonym kui zuo lin as a parent nucleus, separately in its 4 and 7 introduction structure diverse substituted benzene amino and the flexible side chain, designed a series of 4- substitution anilino-- 6- methoxy - 7-(2- hydroxyl to substitute for third oxygen radical) kui zuo lin a kind of compound.

本论文以嘌呤类似物喹唑啉为母核,分别在其4位和7位引入结构多样的取代苯氨基和柔性侧链,设计了一系列4-取代苯胺基-6-甲氧基-7-(2-羟基取代丙氧基)喹唑啉类化合物。

Insects polysaccharide from insect crust are a natural macromolecular polymers that remove behind the acetyl group getting usually that paries draw, which are currently found only bring positive charge of the animals cellulose in the natural world- containing amino polysaccharide of high-molecular compound.

昆虫多糖是从昆虫体壁提取的甲壳素脱去乙酰基后得到的一种天然高分子聚合物,也是目前发现的自然界中唯一带正电荷的可食性动物纤维素——含氨基多糖的高分子化合物。

Results The proposed method was compared with partial least square regression and radial basis function neural network modeling methods.

结果 测定正交设计标样中的阿司匹林、对乙酰氨基酚和咖啡因的平均回收率分别在98.2%~101.2%之间,RSD在0.47%~0.91%之间。

The main contribution of this paper is summarized as follow:1 Copolymer acrylate resin including hydroxyl, carboxylic and amina(-NH_2) is a new type of antifogging system and ahydrophi- lic antifogging constituents which is not found before.2 Water-soluble acrylate resin hydrophilic antifogging coating material is a new-type environmental protection material which takes ethanol as solvent and whose pastiness is adjusted by deionized water.3 The quality rate of accessory soft monomer ethyl acrylate and accessory hard monomer butyl methacrylate is 6 to 4, the quality rate of functional monomers in all monomers is 20 percent, the quality rate of MAA in the functional monomers is 22 percent, the quality rate of β-hydroxyl ethyl acrylate in the functional monomers is 8 to 10 percent and the remainder of functional monomer is acrylic acid.4 Cross-linking agent methylol acrylamide belongs to self-cross-linking system.

本文的主要贡献概述如下: 1 含有亲水羧基、羟基和氨基(-NH_2)丙烯酸共聚树脂是一种新型高效的防雾体系,用的亲水防雾组分是前所未有的。 2 以乙醇为溶剂制得水溶性丙烯酸树脂具有很好的水溶性能和防雾性能,只需加入去离子水就可以调节它的粘度,是一种新型的环保型防雾材料。 3 辅助软单体丙烯酸乙酯和辅助硬单体甲基丙烯酸甲酯最佳配比为质量比6∶4;官能单体占单体总量的20%,甲基丙烯酸占官能单体总量10~15%,甲基丙烯酸β-羟乙酯占官能单体总量的8~10%,剩下的为丙烯酸。

PECH based PUs showed higher phase separation than that of PPG base PUs owing to that the -Cl groups in PECH reduced the flexibility of molecule chain and hindered the formation of hydrogen bonds between ether groups in soft segments and -NH groups in hard segments. As a result, PECH based PUs have lower free volume content, diffusion coefficient and equilibrium adsorption of CO〓, benzene and ethanol through them than through PPG based PUs.

聚环氧氯丙烷醚聚氨酯的氯基降低了链段柔性,妨碍了软段中醚基与硬段中氨基的氢键作用,导致其相分离程度较聚环氧丙烷醚聚氨酯大,并使CO〓、苯和乙醇蒸汽在聚环氧氯丙烷醚聚氨酯中的渗透系数和扩散系数较聚环氧丙烷醚聚氨酯小,而偏离费克扩散的程度大。

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