Objective:To review the related researches on the treatment of depression around the world and to summarize the advantages and disadvantages of antidepressants and psychotherapy,so that to find a more effective treatm...Objective:To review the related researches on the treatment of depression around the world and to summarize the advantages and disadvantages of antidepressants and psychotherapy,so that to find a more effective treatment plan for depression.Methods:The principles of several common pharmaceutical treatment combined with psychological approach were analyzed,cognitive behavioral therapy,interpersonal psychotherapy and socia1 support therapy included.Results:Some experimental results were illustrated and the advantages of Pharmaceutical treatment combined with psychological approach was revealed.Conclusion:Research indicates when pharmaceutical treatment is available,the combination of drugs and psychotherapy is more effective than sole pharmaceutical treatment.展开更多
The reduction of pesticide aerial spraying drift is still one of the major challenges in modern agriculture.The aim of this study was to evaluate the drift potential of different types of unmanned aerial vehicle(UAV)a...The reduction of pesticide aerial spraying drift is still one of the major challenges in modern agriculture.The aim of this study was to evaluate the drift potential of different types of unmanned aerial vehicle(UAV)and adjuvant products for reducing spray drift in aerial applications.Three types of UAV(3WQF120-12 and 3CD-15 fuel oil powered single-rotor UAV and HY-B-15L battery powered single-rotor UAV)were selected in this study with regular application parameters to compare each spray drift,and 3WQF120-12 fuel oil powered UAV was selected to quantify spray drift of 6 adjuvants dissolved in water under field conditions.Solutions were marked with brillant sulfoflavin dye(BSF)at 0.1%.Petri dishes and rotary impactors were used to collect airborne and sediment drift,respectively.Drift deposits were evaluated by spectrophotometry in order to quantify deposits.The results showed that when the flight height was 1.5-2.0 m above the crop at the flight speed of 4-5 m/s and the average wind speed of 1.63-1.73 m/s,3WQF120-12 fuel oil powered UAV had lower drift potential than the other two types;DV0.5 and percentage of droplets with diameter≤75μm had very significant effects on spray drift percentage(p=0.01);the risk of drift in agricultural spraying could be significantly decreased not only by reducing the percentage of fine droplets but also by changing droplet spectra.Compared to water,Silwet DRS-60,ASFA+B,T1602,Break-thru Vibrant,QF-LY and Tmax could reduce by 65%,62%,59%,46%,42%,and 19%spray drift,respectively.when water without adjuvants were sprayed,90%of drift droplets were located within a range of 10.1 m of the target area while with 0.8%Silwet DRS-60 adjuvant in water,the distance was shortened to 6.4 m.展开更多
To achieve sustainable environmental development,various biodegradable films have been designed to replace plastic films.The cell walls of the wheat bran aleurone layers primarily comprise alternately overlapping arab...To achieve sustainable environmental development,various biodegradable films have been designed to replace plastic films.The cell walls of the wheat bran aleurone layers primarily comprise alternately overlapping arabinoxylan(AX),β-glucan(BG)and small quantities of cellulose and ferulic acid.The differences in their composition can affect their mechanical strength and hydration.Therefore,multilayer films of AX,BG,cellulose nanofibers(CNFs),and free ferulic acid were prepared to simulate the cell walls of wheat aleurone layers,and the effect of different CNF contents on cell walls characteristics was investigated.The microstructure,physical properties,and hydration characteristics of multilayer films were studied using scanning electron microscopy,time-domain nuclear magnetic resonance,and thermogravimetric analysis.The AX/BG/8%CNF multilayer films possessed excellent thermal stability and mechanical properties along with slow moisture diffusion and flowability.When the CNF content within the films was 8%,the polymer composite structure hindered the diffusion of moisture.Inspired by the biological effects of wheat grain cell walls,cellulose multilayer films were used for blueberries preservation,and the decay rate,weight loss index,and respiration rate of blueberries were found to decrease significantly.展开更多
文摘Objective:To review the related researches on the treatment of depression around the world and to summarize the advantages and disadvantages of antidepressants and psychotherapy,so that to find a more effective treatment plan for depression.Methods:The principles of several common pharmaceutical treatment combined with psychological approach were analyzed,cognitive behavioral therapy,interpersonal psychotherapy and socia1 support therapy included.Results:Some experimental results were illustrated and the advantages of Pharmaceutical treatment combined with psychological approach was revealed.Conclusion:Research indicates when pharmaceutical treatment is available,the combination of drugs and psychotherapy is more effective than sole pharmaceutical treatment.
基金The authors gratefully acknowledge the financial support provided by the Project 31761133019the National Natural Science Foundation of China and China Agriculture Research System CARS-28-20the Special Fund for Agro-scientific Research in the Public Interest (201503130) by Ministry of Agriculture of China.
文摘The reduction of pesticide aerial spraying drift is still one of the major challenges in modern agriculture.The aim of this study was to evaluate the drift potential of different types of unmanned aerial vehicle(UAV)and adjuvant products for reducing spray drift in aerial applications.Three types of UAV(3WQF120-12 and 3CD-15 fuel oil powered single-rotor UAV and HY-B-15L battery powered single-rotor UAV)were selected in this study with regular application parameters to compare each spray drift,and 3WQF120-12 fuel oil powered UAV was selected to quantify spray drift of 6 adjuvants dissolved in water under field conditions.Solutions were marked with brillant sulfoflavin dye(BSF)at 0.1%.Petri dishes and rotary impactors were used to collect airborne and sediment drift,respectively.Drift deposits were evaluated by spectrophotometry in order to quantify deposits.The results showed that when the flight height was 1.5-2.0 m above the crop at the flight speed of 4-5 m/s and the average wind speed of 1.63-1.73 m/s,3WQF120-12 fuel oil powered UAV had lower drift potential than the other two types;DV0.5 and percentage of droplets with diameter≤75μm had very significant effects on spray drift percentage(p=0.01);the risk of drift in agricultural spraying could be significantly decreased not only by reducing the percentage of fine droplets but also by changing droplet spectra.Compared to water,Silwet DRS-60,ASFA+B,T1602,Break-thru Vibrant,QF-LY and Tmax could reduce by 65%,62%,59%,46%,42%,and 19%spray drift,respectively.when water without adjuvants were sprayed,90%of drift droplets were located within a range of 10.1 m of the target area while with 0.8%Silwet DRS-60 adjuvant in water,the distance was shortened to 6.4 m.
基金supported by the National Natural Science Foundation of China(grant number 31600153).
文摘To achieve sustainable environmental development,various biodegradable films have been designed to replace plastic films.The cell walls of the wheat bran aleurone layers primarily comprise alternately overlapping arabinoxylan(AX),β-glucan(BG)and small quantities of cellulose and ferulic acid.The differences in their composition can affect their mechanical strength and hydration.Therefore,multilayer films of AX,BG,cellulose nanofibers(CNFs),and free ferulic acid were prepared to simulate the cell walls of wheat aleurone layers,and the effect of different CNF contents on cell walls characteristics was investigated.The microstructure,physical properties,and hydration characteristics of multilayer films were studied using scanning electron microscopy,time-domain nuclear magnetic resonance,and thermogravimetric analysis.The AX/BG/8%CNF multilayer films possessed excellent thermal stability and mechanical properties along with slow moisture diffusion and flowability.When the CNF content within the films was 8%,the polymer composite structure hindered the diffusion of moisture.Inspired by the biological effects of wheat grain cell walls,cellulose multilayer films were used for blueberries preservation,and the decay rate,weight loss index,and respiration rate of blueberries were found to decrease significantly.
