共查询到17条相似文献,搜索用时 78 毫秒
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合成了5个含有苯氧乙酰胺结构的新型芳酰基硫脲类化合物,用IR1、HNMR、元素分析对其结构进行了表征。 相似文献
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1,3,4-噁二唑取代芳酰基硫脲的合成及杀菌活性研究 总被引:2,自引:0,他引:2
设计合成了10个1,3,4-噁二唑取代的芳酰基硫脲类化合物,所有化合物的结构经IR,^1HNMR及元素分析确证。初步生物测试结果表明,大多数化合物具有较好的杀菌活性。 相似文献
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Jintao Han Hongbo Dong Zhihong Xu Jinmin Wang Mingan Wang 《International journal of molecular sciences》2013,14(10):19526-19539
The 41 novel acylthiourea derivatives with hydantoin were synthesized in moderate to excellent yields by using 5-(4-aminophenyl)- and 5-(4-aminobenzyl)- hydantoin or 5-(4-aminobenzyl)-thiohydantoin as raw materials and characterized by IR, 1H NMR spectra and elementary analysis. The preliminary bioassay showed that these compounds exhibit certain selectively herbicidal activities with the 91%, 94% and 87% inhibition rates of 7l, 8o and 8p against B. campestris, 100%, 100% and 95% efficacy against B. campestris in a greenhouse test, respectively. 7a, 7b, 7c and 7d exhibited 74%, 79%, 79% and 71% inhibition rates against F. oxysporum, respectively. 相似文献
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Different methods to prepare supported metal nanoparticles of uniform size are discussed. (i) Supported ruthenium particles were generated from Ru and Ru-Fe bimetallic molecular metal carbonyl cluster precursors (MCC). (ii) Gold nanoparticle formation in the supercage of Y zeolite was studied on Au/NaY, Au/HY and Au-Fe/HY system. (iii) Palladium nanoparticles were grown in liquid phase then deposited on an SiO2 support or they were grown on the support surface in a solid-liquid interfacial layer. The particle size control was more efficient in the latter two cases than in the preparation starting from MCC. 相似文献
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综述了H2-TPR,TEM,XRD等物化方法在负载型金属催化剂的结构性能(包括金属分散度、表面结构、电子状态)方面的应用,为更好地认识和使用负载型金属催化剂提供了可靠的依据。 相似文献
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重金属捕集剂的合成与应用研究 总被引:2,自引:0,他引:2
将两种低分子量多胺物质与二硫化碳通过二步反应制得重金属捕集剂.通过正交实验优化,所合成重金属捕集剂对2 mg·L-1Cu2+和Ni2+废水的去除率分别达到98.35%和95.65%.并讨论了重金属捕集剂投加量、pH值及Cu2+、Ni2+共存条件对捕集剂处理低浓度Cu2+和Ni2+废水的影响.结果表明,重金属捕集剂投加量为0.0621~0.0955 mg·L-1时,处理后的水即可达到国家排放标准;pH值为7~10时,重金属捕集剂处理效果较好;在不同比例的Cu2+、Ni2+共存情况下,重金属捕集剂对两种离子均有较高的去除率,具有进一步研究应用价值. 相似文献