为明确三唑磺草酮对直播稻田一年生禾本科杂草的防效、安全性及对常见后茬作物的影响,开展相关田间试验进行了研究。结果表明,6%三唑磺草酮可分散油悬浮剂对直播稻田稗草和千金子具有良好的效果。施药后40 d,103~135 g a.i./hm^(2)处理...为明确三唑磺草酮对直播稻田一年生禾本科杂草的防效、安全性及对常见后茬作物的影响,开展相关田间试验进行了研究。结果表明,6%三唑磺草酮可分散油悬浮剂对直播稻田稗草和千金子具有良好的效果。施药后40 d,103~135 g a.i./hm^(2)处理的总体株防效和鲜重防效分别达85.68%~94.69%和91.07%~96.95%,其中135 g a.i./hm^(2)处理的防效显著高于100 g/L氰氟草酯乳油105 g a.i./hm^(2)处理。6%三唑磺草酮可分散油悬浮剂在103~238 g a.i./hm^(2)剂量下对籼稻品种19香安全,与空白对照相比增产率达433%以上。在6%三唑磺草酮可分散油悬浮剂103.5~310.5 g a.i./hm^(2)剂量下,后茬作物菜心、花生和甜玉米的出苗率、株高、地上部生物量和产量均与空白对照无显著性差异。研究认为,6%三唑磺草酮可分散油悬浮剂可安全用于防除直播稻田常见一年生禾本科杂草,对后茬作物具有良好的安全性。展开更多
The National Oil and Gas Pipeline Network Group Co.,Ltd.(hereinafter referred to as the National Pipeline Network Company)was officially established in Beijing on December 9th,2019,marking a key step in deepening the ...The National Oil and Gas Pipeline Network Group Co.,Ltd.(hereinafter referred to as the National Pipeline Network Company)was officially established in Beijing on December 9th,2019,marking a key step in deepening the reform of the oil and gas system.It is of great significance and far-reaching impact to improve the efficiency of oil and gas resource allocation,promote the high-quality development of the oil and gas industry,and ensure national energy security.As an important part of infrastructure and the offshore import channel,the fair opening of LNG receiving terminals plays a significant role in promoting the diversification of upstream subjects.This article discusses some problems that may exist in the transition from the establishment of the National Pipeline Network Company to complete marketisation.展开更多
AF@MOF-808 incorporating the acriflavine(AF)dye into the nanocages of MOF-808 was constructed by one-pot hydrothermal method,whose crystallization,morphology and stability were characterized by the X-ray powder diffra...AF@MOF-808 incorporating the acriflavine(AF)dye into the nanocages of MOF-808 was constructed by one-pot hydrothermal method,whose crystallization,morphology and stability were characterized by the X-ray powder diffractometer(XRD),scanning electron microscope(SEM)and thermogravimetric analysis(TGA).AF@MOF-808 exhibits bright green light emission with the high quantum yield of 38.27%and can selectively detect Fe^(3+)ion and Cr_(2)O_(7)^(2-)anion from 12 kinds of metal ions or anions in the aqueous solution.展开更多
文摘为明确三唑磺草酮对直播稻田一年生禾本科杂草的防效、安全性及对常见后茬作物的影响,开展相关田间试验进行了研究。结果表明,6%三唑磺草酮可分散油悬浮剂对直播稻田稗草和千金子具有良好的效果。施药后40 d,103~135 g a.i./hm^(2)处理的总体株防效和鲜重防效分别达85.68%~94.69%和91.07%~96.95%,其中135 g a.i./hm^(2)处理的防效显著高于100 g/L氰氟草酯乳油105 g a.i./hm^(2)处理。6%三唑磺草酮可分散油悬浮剂在103~238 g a.i./hm^(2)剂量下对籼稻品种19香安全,与空白对照相比增产率达433%以上。在6%三唑磺草酮可分散油悬浮剂103.5~310.5 g a.i./hm^(2)剂量下,后茬作物菜心、花生和甜玉米的出苗率、株高、地上部生物量和产量均与空白对照无显著性差异。研究认为,6%三唑磺草酮可分散油悬浮剂可安全用于防除直播稻田常见一年生禾本科杂草,对后茬作物具有良好的安全性。
文摘The National Oil and Gas Pipeline Network Group Co.,Ltd.(hereinafter referred to as the National Pipeline Network Company)was officially established in Beijing on December 9th,2019,marking a key step in deepening the reform of the oil and gas system.It is of great significance and far-reaching impact to improve the efficiency of oil and gas resource allocation,promote the high-quality development of the oil and gas industry,and ensure national energy security.As an important part of infrastructure and the offshore import channel,the fair opening of LNG receiving terminals plays a significant role in promoting the diversification of upstream subjects.This article discusses some problems that may exist in the transition from the establishment of the National Pipeline Network Company to complete marketisation.
文摘AF@MOF-808 incorporating the acriflavine(AF)dye into the nanocages of MOF-808 was constructed by one-pot hydrothermal method,whose crystallization,morphology and stability were characterized by the X-ray powder diffractometer(XRD),scanning electron microscope(SEM)and thermogravimetric analysis(TGA).AF@MOF-808 exhibits bright green light emission with the high quantum yield of 38.27%and can selectively detect Fe^(3+)ion and Cr_(2)O_(7)^(2-)anion from 12 kinds of metal ions or anions in the aqueous solution.