This paper presents a comparative“cradle to gate”life cycle assessment(LCA)of 3D printing houses and conventional buildings using SimaPro software,as a tool to model and compare the two alternatives.The study consid...This paper presents a comparative“cradle to gate”life cycle assessment(LCA)of 3D printing houses and conventional buildings using SimaPro software,as a tool to model and compare the two alternatives.The study considered a terraced type of buildings with a floor area of 60 m^(2)(functional unit),which could occupy 2-3 households.The results indicated that 3D printing houses have a smaller environmental impact than conventional buildings in all impact categories except in terrestrial ecotoxicity,in which both alternatives resulted in 172 kg 1,4-DB eq.3D printing houses exhibit a higher climate impact from Timber floorboards,window frames,and Portland cement which are responsible for 7.39×10^(4) kg CO_(2) eq,9.34 ×10^(4) kg CO_(2) eq,and 3.82×10^(4) kg CO_(2) eq respectively.展开更多
Objective:To explore the diagnostic value of ultrasound imaging for breast nodules of breast imaging-reporting and data system(BI-RADS)category 3 and above.Methods:From June 2021 to July 2022,163 patients with breast ...Objective:To explore the diagnostic value of ultrasound imaging for breast nodules of breast imaging-reporting and data system(BI-RADS)category 3 and above.Methods:From June 2021 to July 2022,163 patients with breast nodules of BI-RADS 3 or above were selected as the research subjects.After pathological diagnosis,24 cases were malignant breast nodules of BI-RADS 3 or above,while 139 cases were benign breast nodules of BI-RADS 3 or above.The diagnosis rate of malignant and benign breast nodules of BI-RADS 3 or above,including 95%CI,was observed and analyzed.Results:The malignant and benign detection rates of conventional ultrasound were 88.63%and 75.00%,respectively,and the malignant and benign detection rates of ultrasound imaging were 93.18%and 87.50%,respectively,with 95%CIs greater than 0.7.Conclusion:Ultrasound imaging can help improve the diagnostic accuracy of benign and malignant breast nodules of BI-RADS 3 and above and reduce the misdiagnosis rate.展开更多
文摘This paper presents a comparative“cradle to gate”life cycle assessment(LCA)of 3D printing houses and conventional buildings using SimaPro software,as a tool to model and compare the two alternatives.The study considered a terraced type of buildings with a floor area of 60 m^(2)(functional unit),which could occupy 2-3 households.The results indicated that 3D printing houses have a smaller environmental impact than conventional buildings in all impact categories except in terrestrial ecotoxicity,in which both alternatives resulted in 172 kg 1,4-DB eq.3D printing houses exhibit a higher climate impact from Timber floorboards,window frames,and Portland cement which are responsible for 7.39×10^(4) kg CO_(2) eq,9.34 ×10^(4) kg CO_(2) eq,and 3.82×10^(4) kg CO_(2) eq respectively.
文摘Objective:To explore the diagnostic value of ultrasound imaging for breast nodules of breast imaging-reporting and data system(BI-RADS)category 3 and above.Methods:From June 2021 to July 2022,163 patients with breast nodules of BI-RADS 3 or above were selected as the research subjects.After pathological diagnosis,24 cases were malignant breast nodules of BI-RADS 3 or above,while 139 cases were benign breast nodules of BI-RADS 3 or above.The diagnosis rate of malignant and benign breast nodules of BI-RADS 3 or above,including 95%CI,was observed and analyzed.Results:The malignant and benign detection rates of conventional ultrasound were 88.63%and 75.00%,respectively,and the malignant and benign detection rates of ultrasound imaging were 93.18%and 87.50%,respectively,with 95%CIs greater than 0.7.Conclusion:Ultrasound imaging can help improve the diagnostic accuracy of benign and malignant breast nodules of BI-RADS 3 and above and reduce the misdiagnosis rate.
