为提高农药沉积率,利用黏度计、表面张力仪、药液润湿性测试卡、激光粒度仪测定不同喷雾助剂添加量对蒸馏水溶液性质的影响,并分析喷雾助剂及施液量对水稻冠层不同位置雾滴沉积密度、沉积量以及有效沉积率的影响。结果表明,添加喷雾助...为提高农药沉积率,利用黏度计、表面张力仪、药液润湿性测试卡、激光粒度仪测定不同喷雾助剂添加量对蒸馏水溶液性质的影响,并分析喷雾助剂及施液量对水稻冠层不同位置雾滴沉积密度、沉积量以及有效沉积率的影响。结果表明,添加喷雾助剂对蒸馏水溶液的性质有显著影响,与蒸馏水相比,当添加喷雾助剂为0.5%和1.0%时,雾滴体积中径变为108.9、98.7μm,表面张力降低64.7%、64.9%,黏度增加为2.3、2.3 m Pa·s,铺展系数为蒸馏水的74.5、58.5倍,能有效促进雾滴铺展并避免药液流失;植保无人机喷施试验结果显示,增加施液量可显著提高雾滴沉积密度,添加喷雾助剂可以显著提高雾滴沉积量以及有效沉积率,当施药量为13.5 L/hm^2且添加1.0%喷雾助剂时,雾滴在水稻冠层的有效沉积率最大,为48.9%。展开更多
Rheumatoid Arthritis (RA) which is very difficult to be treated belons to “Bi Zheng” (impediment pattern) in TCM.As the cause of RA can lead to blood stasis in network vessels and blood stasis can occur during the c...Rheumatoid Arthritis (RA) which is very difficult to be treated belons to “Bi Zheng” (impediment pattern) in TCM.As the cause of RA can lead to blood stasis in network vessels and blood stasis can occur during the course of RA,there are great relations between RA and blood stasis of network vessels.The main clinical symptoms of blood stasis syndrome of RA are pain,swelling,local node and ecchymoisis.The blood stasis that runs through the course of RA is both the cause and pathomachanism of RA.展开更多
文摘为提高农药沉积率,利用黏度计、表面张力仪、药液润湿性测试卡、激光粒度仪测定不同喷雾助剂添加量对蒸馏水溶液性质的影响,并分析喷雾助剂及施液量对水稻冠层不同位置雾滴沉积密度、沉积量以及有效沉积率的影响。结果表明,添加喷雾助剂对蒸馏水溶液的性质有显著影响,与蒸馏水相比,当添加喷雾助剂为0.5%和1.0%时,雾滴体积中径变为108.9、98.7μm,表面张力降低64.7%、64.9%,黏度增加为2.3、2.3 m Pa·s,铺展系数为蒸馏水的74.5、58.5倍,能有效促进雾滴铺展并避免药液流失;植保无人机喷施试验结果显示,增加施液量可显著提高雾滴沉积密度,添加喷雾助剂可以显著提高雾滴沉积量以及有效沉积率,当施药量为13.5 L/hm^2且添加1.0%喷雾助剂时,雾滴在水稻冠层的有效沉积率最大,为48.9%。
文摘Rheumatoid Arthritis (RA) which is very difficult to be treated belons to “Bi Zheng” (impediment pattern) in TCM.As the cause of RA can lead to blood stasis in network vessels and blood stasis can occur during the course of RA,there are great relations between RA and blood stasis of network vessels.The main clinical symptoms of blood stasis syndrome of RA are pain,swelling,local node and ecchymoisis.The blood stasis that runs through the course of RA is both the cause and pathomachanism of RA.
基金2016年度教育部人文社会科学研究规划基金项目“智慧教室中促进小学生深度学习的教学策略研究”(16YJA880067)The “Future Schools in 2030” Program:The Technology Enhanced Assessment to Improve Students’ Deep Learning in Smart Classroom(AICFE-IO-007)
