To improve the self-cleaning ability of aquaculture tank and the efficiency of circulating water,physical and numerical experiments were conducted on the influence of inlet structure on sewage discharge in a rounded s...To improve the self-cleaning ability of aquaculture tank and the efficiency of circulating water,physical and numerical experiments were conducted on the influence of inlet structure on sewage discharge in a rounded square aquaculture tank with a single inlet.Based on the physical model of the tank,analysis of how inlet structure adjustment affects sewage discharge efficiency and flow field characteristics was conducted to provide suitable flow field conditions for sinkable solid particle discharge.In addition,an internal flow field simulation was conducted using the RNG k-εturbulence model in hydraulic drive mode.Then a solid-fluid multiphase model was created to investigate how the inlet structure affects sewage collection in the rounded square aquaculture tank with single inlet and outlet.The finding revealed that the impact of inlet structure is considerably affecting sewage collection.The conditions of C/B=0.07-0.11(the ratio of horizontal distance between the center of the inlet pipe and the tank wall(C)to length of the tank(B))andα=25°(αis the angle between the direction of the jet and the tangential direction of the arc angle)resulted in optimal sewage collection,which is similar to the flow field experiment in the rounded square aquaculture tank with single inlet and outlet.An excellent correlation was revealed between sewage collection and fluid circulation stability in the aquaculture tank.The present study provided a reference for design and optimization of circulating aquaculture tanks in aquaculture industry.展开更多
Advanced technology used for arithmetic computing application,comprises greater number of approximatemultipliers and approximate adders.Truncation and Rounding-based Scalable ApproximateMultiplier(TRSAM)distinguish a ...Advanced technology used for arithmetic computing application,comprises greater number of approximatemultipliers and approximate adders.Truncation and Rounding-based Scalable ApproximateMultiplier(TRSAM)distinguish a variety of modes based on height(h)and truncation(t)as TRSAM(h,t)in the architecture.This TRSAM operation produces higher absolute error in Least Significant Bit(LSB)data shift unit.A new scalable approximate multiplier approach that uses truncation and rounding TRSAM(3,7)is proposed to increase themultiplier accuracy.With the help of foremost one bit architecture,the proposed scalable approximate multiplier approach reduces the partial products.The proposed approximate TRSAM multiplier architecture gives better results in terms of area,delay,and power.The accuracy of 95.2%and the energy utilization of 24.6 nJ is observed in the proposed multiplier design.The proposed approach shows 0.11%,0.23%,and 0.24%less Mean Absolute Relative Error(MARE)when compared with the existing approach for the input of 8-bit,16-bit,and 32-bit respectively.It also shows 0.13%,0.19%,and 0.2%less Variance of Absolute Relative Error(VARE)when compared with the existing approach for the input of 8-bit,16-bit,and 32-bit respectively.The proposed approach is implemented with Field-Programmable Gate Array(FPGA)and shows the delay of 3.640,6.481,12.505,22.572,and 36.893 ns for the input of 8-bit,16-bit,32-bit,64-bit,and 128-bit respectively.The proposed approach is applied in digital filters designwhich shows the Peak-Signal-to-NoiseRatio(PSNR)of 25.05 dB and Structural Similarity Index Measure(SSIM)of 0.98 with 393 pJ energy consumptions when used in image application.The proposed approach is simulated with Xilinx and MATLAB and implemented with FPGA.展开更多
As the curtain closed on 2012 it was clear to observers that China has traveled through an important year, with changes, challenges, achievements and confrontation at the forefront of the country＇s ongoing developmen...As the curtain closed on 2012 it was clear to observers that China has traveled through an important year, with changes, challenges, achievements and confrontation at the forefront of the country＇s ongoing development. Below ChinAfrica lists our top 10 China news items in 2012：展开更多
Long term care facilities have a rising rate of falls and fall related injuries with increasing cost and more hospitalization.Hourly rounding®is an evidenced based intervention that is proactive for nursing staff...Long term care facilities have a rising rate of falls and fall related injuries with increasing cost and more hospitalization.Hourly rounding®is an evidenced based intervention that is proactive for nursing staff to be able to identify patient’s needs.This helps with positive fall prevention outcome.This project focused on process improvement efforts for 10 weeks and examining the education and implementation of an evidenced-based hourly rounding program that assisted in reducing the number of falls in the pilot unit.The implementation of the intervention took place in a long-term care facility located in Dallas,Georgia.The hourly rounding tools used in this project were the Studer Group hourly rounding log and competency checklist with permission.Twenty staff members were included in the sample,age 18 years and 60 years.The unit has 41 residents who were included in the pilot case study design.Staff members were first educated regarding hourly rounding and documentation on the hourly rounding log was done two days before implementation and the pre and post fall rate was retrieved from the facilities fall database.Competency checklist was completed prior to implementation and post implementation to evaluate staff understanding of the main tenets of the 4 P’s(potty,pain,possession,and position).For this project,descriptive statistics was used to help determine fall rates.Minitab was used to analyzed data and to determine if it was clinically significant.In the ten weeks following the hourly rounding implementation,participants performed hourly rounding by incorporating it to each resident’s daily routine and documented their rounds on the log sheet.The results indicated that it is statistically significant and with a P-values=-<0.0001 and t-value=-5.81.展开更多
基金Supported by the 2023 Central Government Finance Subsidy Project for Liaoning Fisheries,the Key Research Project of Liaoning Provincial Department of Education in 2022(No.LJKZZ20220091)the National Natural Science Foundation of China(No.31872609)+1 种基金the Innovation Support Program for High-level Talents of Dalian City(No.2019RD12)the earmarked fund for CARS-49。
文摘To improve the self-cleaning ability of aquaculture tank and the efficiency of circulating water,physical and numerical experiments were conducted on the influence of inlet structure on sewage discharge in a rounded square aquaculture tank with a single inlet.Based on the physical model of the tank,analysis of how inlet structure adjustment affects sewage discharge efficiency and flow field characteristics was conducted to provide suitable flow field conditions for sinkable solid particle discharge.In addition,an internal flow field simulation was conducted using the RNG k-εturbulence model in hydraulic drive mode.Then a solid-fluid multiphase model was created to investigate how the inlet structure affects sewage collection in the rounded square aquaculture tank with single inlet and outlet.The finding revealed that the impact of inlet structure is considerably affecting sewage collection.The conditions of C/B=0.07-0.11(the ratio of horizontal distance between the center of the inlet pipe and the tank wall(C)to length of the tank(B))andα=25°(αis the angle between the direction of the jet and the tangential direction of the arc angle)resulted in optimal sewage collection,which is similar to the flow field experiment in the rounded square aquaculture tank with single inlet and outlet.An excellent correlation was revealed between sewage collection and fluid circulation stability in the aquaculture tank.The present study provided a reference for design and optimization of circulating aquaculture tanks in aquaculture industry.
文摘Advanced technology used for arithmetic computing application,comprises greater number of approximatemultipliers and approximate adders.Truncation and Rounding-based Scalable ApproximateMultiplier(TRSAM)distinguish a variety of modes based on height(h)and truncation(t)as TRSAM(h,t)in the architecture.This TRSAM operation produces higher absolute error in Least Significant Bit(LSB)data shift unit.A new scalable approximate multiplier approach that uses truncation and rounding TRSAM(3,7)is proposed to increase themultiplier accuracy.With the help of foremost one bit architecture,the proposed scalable approximate multiplier approach reduces the partial products.The proposed approximate TRSAM multiplier architecture gives better results in terms of area,delay,and power.The accuracy of 95.2%and the energy utilization of 24.6 nJ is observed in the proposed multiplier design.The proposed approach shows 0.11%,0.23%,and 0.24%less Mean Absolute Relative Error(MARE)when compared with the existing approach for the input of 8-bit,16-bit,and 32-bit respectively.It also shows 0.13%,0.19%,and 0.2%less Variance of Absolute Relative Error(VARE)when compared with the existing approach for the input of 8-bit,16-bit,and 32-bit respectively.The proposed approach is implemented with Field-Programmable Gate Array(FPGA)and shows the delay of 3.640,6.481,12.505,22.572,and 36.893 ns for the input of 8-bit,16-bit,32-bit,64-bit,and 128-bit respectively.The proposed approach is applied in digital filters designwhich shows the Peak-Signal-to-NoiseRatio(PSNR)of 25.05 dB and Structural Similarity Index Measure(SSIM)of 0.98 with 393 pJ energy consumptions when used in image application.The proposed approach is simulated with Xilinx and MATLAB and implemented with FPGA.
文摘As the curtain closed on 2012 it was clear to observers that China has traveled through an important year, with changes, challenges, achievements and confrontation at the forefront of the country＇s ongoing development. Below ChinAfrica lists our top 10 China news items in 2012：
文摘Long term care facilities have a rising rate of falls and fall related injuries with increasing cost and more hospitalization.Hourly rounding®is an evidenced based intervention that is proactive for nursing staff to be able to identify patient’s needs.This helps with positive fall prevention outcome.This project focused on process improvement efforts for 10 weeks and examining the education and implementation of an evidenced-based hourly rounding program that assisted in reducing the number of falls in the pilot unit.The implementation of the intervention took place in a long-term care facility located in Dallas,Georgia.The hourly rounding tools used in this project were the Studer Group hourly rounding log and competency checklist with permission.Twenty staff members were included in the sample,age 18 years and 60 years.The unit has 41 residents who were included in the pilot case study design.Staff members were first educated regarding hourly rounding and documentation on the hourly rounding log was done two days before implementation and the pre and post fall rate was retrieved from the facilities fall database.Competency checklist was completed prior to implementation and post implementation to evaluate staff understanding of the main tenets of the 4 P’s(potty,pain,possession,and position).For this project,descriptive statistics was used to help determine fall rates.Minitab was used to analyzed data and to determine if it was clinically significant.In the ten weeks following the hourly rounding implementation,participants performed hourly rounding by incorporating it to each resident’s daily routine and documented their rounds on the log sheet.The results indicated that it is statistically significant and with a P-values=-<0.0001 and t-value=-5.81.
