特点本品是针对当前鳞翅目害虫小菜蛾抗性越来越强的特点,采用多位点耦合两种杀虫素精心配制而成的双元复合杀虫剂。作用独特,具有触杀、胃毒作用,全面解除害虫抗性机制。阿
针对当前工程建设对天然砂大量需求的状况,从资源综合利用的角度研究以人工砂取代部分天然砂在混凝土中的应用很有必要。通过试验,以一定比例的人工砂代替天然砂制作混凝土,并将
近年来,由于受到洪水、台风等自然灾害的影响,高邮湖区围网养殖连年遭受灭顶之灾,渔民经济损失惨重,不少养殖户负债累累,有的甚至连基本生活都难以维持。为帮助渔民调整养殖
Here we show the results of experimental observation of decomposition of the solution components into the neighboring cells. The liquid solution under crystalli
据商务部统计,截至2010年1月14日,9个试点省市共回收5大类旧家电500.9万台,销售5大类新家电448.7万台,销售额达176.7亿元,已达这项政策制订之初阶段预定效果,不仅大大的促进了家电更新
The crystallization in the three-component systems Rb2SO4-MSO4-H2O (M = Mg, Co, Ni, Cu, Zn) is studied by the method of isothermal decrease of supersaturation.
大力开展博士后科研工作站建设已成为连云港市培养企业高层次科技人才与管理人才的重要措施,阐述了连云港市博士后科研工作站建设的现状,分析了博士后科研工作站建设存在的问
“一次重灾.即刻致贫”、“一年受灾,三年难翻身”、“十年致富奔小康,一场灾害全泡汤”……作为世界上农业自然灾害比较严重的国家.中国脆弱的农业,亟须农业保险的有力保障和支持
A benzophenone substituted semicarbazone, 2-((3-aminophenyl)(phenyl)methylene)hydrazinecarboxamide (APHC) had been synthesized in good yield by the condensation
μ-Czochralski technique has been analyzed using two-dimensional crystallization simulator. It is observed that the temperature is relatively uniform in the ent