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Overall, this paper is proved to be meaningful in both theoretical explanation and practical application of biodegradation of anthraquinone resembles.

总之,通过本论文的工作,筛选并找到了一株高效降解胺酸的菌株,对其降解胺酸的特性及降解途径进行了深入的研究,不仅在理论上有助于诠释动胶菌与胺酸反应的实质,而且为该菌株处理胺酸等蒽醌类染料中间体的实际运用中操作参数的设计和选择提供依据。

In this paper, initiator is dissolved in 1-bromopropane which is solvent. Then the propene and hydrogen bromide that can be dissolved in 1-bromopropane are inlet in l-bromopropane when initiator is decomposing. The reaction occurs in fluid phase and high-purity 1-bromopropane is synthesized by one step method. In this paper, the material HBr is synthesized with NaBr and sulfuric acid at the presence of hydrobromic acid.

本论文以1-丙烷为溶剂,将引发剂溶于其中,加热到引发剂开始分解时再通入丙烯和HBr,使二者溶解于1-丙烷中,在液相中进行反应,实现丙烯&一步法&合成高纯1-丙烷利用NaBr与硫酸在氢酸存在下反应制备HBr气体,以作为合成1-丙烷的原料。

Brominated butyl rubber was prepared by solution method,and its microstructures were characterized by 1H-NMR. It has three main microstructures,that is the unbrominated isoprene structure,the exomethylene allylic bromide structure (structure Ⅱ) and the bromomethyl olefinic structure (structure Ⅲ).

通过溶液法制备化丁基橡胶,并用核磁共振对化丁基橡胶的微观结构进行了分析,其中存在3种主要微观结构,即未化的丁基橡胶结构,代仲位烯丙基结构及代伯位烯丙基结构。

Seven of them have not been reported.Their structures were confirmed by IR,~1HNMR,MS,and element analysis. 4.Meanwhile,the green methylation procedure of imides was developed by using dimethyl carbonate as methylation reagent.A series of imides,for example,phthalimide,3,4-dibromo-maleimide and succincide were used for substrates.The effects of DABCO(1,4-diazabicyclo [2.2.2]octane)and DBU(1,8-diazabicyclo[5.4.0]undec-7-ene)as a catalyst in this kind of reactions were investigated.2-Bromo-3-(1-methylindolyl-3-yl)-1-methyl-1H-pyrrole-2,5-dione was prepared by using dimethyl carbonate,which further expanded the use of dimethyl carbonate,as a green agent in organic synthesis.

在以硫酸二甲酯为甲基化试剂对3,4-二马来酰亚胺进行N-甲基化反应合成3,4-二-N-甲基马来酰亚胺的同时,以碳酸二甲酯为甲基化试剂,对3,4-二马来酰亚胺、邻苯二甲酰亚胺、琥珀酰亚胺等酰亚胺类化合物的N-甲基化反应进行了研究;考察了1,4-二氮杂双环[2.2.2]辛烷,1,8-二氮杂双环[5.4.0]十一碳-7-烯、碳酸钾和四丁基化铵等作为催化剂对碳酸二甲酯N-甲基化反应的反应时间和收率等的影响,并应用碳酸二甲酯为甲基化试剂,合成了N-甲基-3--4-(1-甲基-吲哚-3)-马来酰亚胺。

The results of biological tests indicated that, at 25 g/mL, 1-(4-bromo-3-ethyl-1-methyl-pyrazol-5'-ylcarbonyl-4-(2-nitrophenyl) semicarbazide (4d) showed inhibitory activities (52.6%) against Pyricularia oryzae. 1-(4-bromo-3-ethyl-1-methyl-pyrazol-5'-ylcarbonyl)-4-(3-chlorophenyl) semicarbazide (4j), 1-(4-bromo-3-ethyl-1-methyl-pyrazol-5'-ylcarbonyl)-4-(2,4-dimethylphenyl) semicarbazide (4k), 1-(4-bromo-3-ethyl-1-methyl-pyrazol-5'-ylcarbonyl)-4-(3,4-dimethyiphenyl) semicarbazide (41) and 1-(4-bromo-3-ethy-1-methyl-pyrazo1-5'-ylcarbonyl)-4-(2,4-difluorophenyl) semicarbazide (4m) showed inhibitory activities (45.6%) against Pyricularia oryzae, repestively.

初步生物活性实验结果表明,在25μg/mL浓度下,1-(1-甲基-3-乙基-4--5-吡唑甲酰基)-4-(2-硝基苯基)氨基脲(4d)对水稻稻瘟病菌Pyricularia oryzae抑制活性达到52.6%;1-1-甲基-3-乙基-4--5-吡唑甲酰基)-4-(3-氯苯基)氨基脲(4j,1-(1-甲基-3-乙基-4--5-吡唑甲酰基)-4-(2,4-二甲基苯基)氨基脲(4k),1-(1-甲基-3-乙基-4--5-比唑甲酰基)-4-(3,4-二甲基苯基)氨基脲(41)和1-(1-甲基-3-乙基-4--5-吡唑甲酰基)-4-(2,4-二氟苯基)氨基服(4m)对水稻稻瘟病菌Pyricularia oryzae抑制活性达到45.6%。

Flame retardant properties and mechanical properties of ABS which was incorporated into different molecular weight bromated epoxy resins flame retardant agent were evaluated.

与十二苯醚对比试验研究表明,添加高分子量化环氧树脂阻燃剂的ABS材料含量为7.9%时与添加十二苯醚阻燃剂的ABS材料含量为10.1%的阻燃性能相当。

The optimum technical parameters were obtained as follows:bromating temperature is 15℃,solvent is methyl arcohol, bromating agent is BrCl,the molar ratio of 4-hydroxy-benzaldehyde to BrCl is 1:1.15,reaction time is 2.5 hours.

其工艺参数优化如下:化时反应温度选择15℃,溶剂选择甲醇+乙酸甲酯,化剂选择氯化,对羟基苯甲醛与氯化之比为1∶1.15,反应时间选择2.5个小时,滴时间约半个小时。

A new process for catalytic synthesis of decabromodiphenylethane was developed by brominating diphenylethane with bromine chloride and bromine solution to decrease bromine consumption and simplify post-treatment process.

当氯化/二苯乙烷摩尔比为10,/二苯乙烷摩尔比为15,反应时间为5h时得到十二苯乙烷的收率98.4%,产品平均代数9.8,产品中含量81.0%,产品中氯含量0.9%。

The experimental results showed that there were higher yield and bromine content when the bromine/peroxides method was used.

采用/过氧化物法和NBS法对五甲苯进行苄位化,合成了五苄基,比较了两种方法的优缺点。

Absorption type hot pump , three-efficiency steam bromine refrigerator, two-stage hot water bromine refrigerator, tube and sheet heat exchanger bromine refrigerator, double heat source bromine refrigerator and coal fired bromine refrigerator.

介绍几种新型化锂吸收式制冷机,诸如吸收式热泵、三效蒸汽型冷机、双段热水型冷机、板式换热器冷机、双热源冷机和燃煤型冷机等。

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