In view of the uncertainty in the location selection of logistics distribution center for the fresh agricultural products,the present study established a robust model based on the maximization of principal component s...In view of the uncertainty in the location selection of logistics distribution center for the fresh agricultural products,the present study established a robust model based on the maximization of principal component score taking budget cost parameters as an example.In the process of model solving,the interval form of the uncertain set was used to clarify the constraint conditions,to transform into a certain 0-1 integer linear programming model,so as to solve with the aid of LINGO software.Finally,through studying the location selection of logistics distribution center for fresh agricultural products in the Beijing-Tianjin-Hebei region,it analyzed the application of the robust model and tested the validity of the model.展开更多
Despite the growing interest in green products in the interior wall decorative material market,knowledge gaps exist because determining which product is more environmental and user friendly than the others is difficul...Despite the growing interest in green products in the interior wall decorative material market,knowledge gaps exist because determining which product is more environmental and user friendly than the others is difficult.This work assesses the environmental and human health profiles of interior latex and wallpape匸Two interior latex products of different raw material ratios and one nonwoven wallpaper product are considered.The environmental impact assessment follows life cycle assessment(LCA)methodology and applies Building Environmental Performance Analysis System(BEPAS).The human health impact is based on impact-pathway chain and is performed using Building Health Impact Analysis System(BHIAS).The assessment scope,associated emissions,and territorial scope of various emissions are defined to facilitate comparison study of interior wall decorative products.The impacts are classified into 15 categories belonging to three safeguard areas:ecological environment,natural resources,and human health.The impacts of categories are calculated and monetized using willingness to pay(WTP)and disability-adjusted life year(DALY)and summarized as an integrated external cost of environmental and human health impacts.Assessment results reveal that the integrated impact of interior latex is lower than that of non-woven wallpaper,and the interior latex of low quality causes low life cycle integrated impact.The most impacted categories are global warming,respiratory effects,and water consumption.Hotspots of product manufacturing are recognized to promote green product design.展开更多
Stereoelectroencephalography(SEEG)has been widely used in the presurgical evaluation of patients with medically intractable epilepsy.In the past,SEEG was commonly used as a method for mapping and localizing the epilep...Stereoelectroencephalography(SEEG)has been widely used in the presurgical evaluation of patients with medically intractable epilepsy.In the past,SEEG was commonly used as a method for mapping and localizing the epileptogenic zone(EZ).Since 2004,several studies have been conducted to examine the effectiveness of SEEG-guided radiofrequency thermocoagulation(RF-TC)in treating refractory epilepsy.However,the seizure-free and responder rates varied greatly across studies.We aimed to analyze the outcome of 56 patients who were treated with SEEG-guided RF-TC to evaluate the effectiveness of this treatment.SEEG-guided RF-TC can be considered as a treatment for refractory epilepsy.However,due to its limited efficacy,SEEG-guided RF-TC might be regarded as a temporary treatment performed under SEEG rather than a promising treatment for refractory epilepsy.展开更多
基金Supported by Student Innovation and Entrepreneurship Training Program Project of Hebei Agricultural University(2020102).
文摘In view of the uncertainty in the location selection of logistics distribution center for the fresh agricultural products,the present study established a robust model based on the maximization of principal component score taking budget cost parameters as an example.In the process of model solving,the interval form of the uncertain set was used to clarify the constraint conditions,to transform into a certain 0-1 integer linear programming model,so as to solve with the aid of LINGO software.Finally,through studying the location selection of logistics distribution center for fresh agricultural products in the Beijing-Tianjin-Hebei region,it analyzed the application of the robust model and tested the validity of the model.
文摘Despite the growing interest in green products in the interior wall decorative material market,knowledge gaps exist because determining which product is more environmental and user friendly than the others is difficult.This work assesses the environmental and human health profiles of interior latex and wallpape匸Two interior latex products of different raw material ratios and one nonwoven wallpaper product are considered.The environmental impact assessment follows life cycle assessment(LCA)methodology and applies Building Environmental Performance Analysis System(BEPAS).The human health impact is based on impact-pathway chain and is performed using Building Health Impact Analysis System(BHIAS).The assessment scope,associated emissions,and territorial scope of various emissions are defined to facilitate comparison study of interior wall decorative products.The impacts are classified into 15 categories belonging to three safeguard areas:ecological environment,natural resources,and human health.The impacts of categories are calculated and monetized using willingness to pay(WTP)and disability-adjusted life year(DALY)and summarized as an integrated external cost of environmental and human health impacts.Assessment results reveal that the integrated impact of interior latex is lower than that of non-woven wallpaper,and the interior latex of low quality causes low life cycle integrated impact.The most impacted categories are global warming,respiratory effects,and water consumption.Hotspots of product manufacturing are recognized to promote green product design.
文摘Stereoelectroencephalography(SEEG)has been widely used in the presurgical evaluation of patients with medically intractable epilepsy.In the past,SEEG was commonly used as a method for mapping and localizing the epileptogenic zone(EZ).Since 2004,several studies have been conducted to examine the effectiveness of SEEG-guided radiofrequency thermocoagulation(RF-TC)in treating refractory epilepsy.However,the seizure-free and responder rates varied greatly across studies.We aimed to analyze the outcome of 56 patients who were treated with SEEG-guided RF-TC to evaluate the effectiveness of this treatment.SEEG-guided RF-TC can be considered as a treatment for refractory epilepsy.However,due to its limited efficacy,SEEG-guided RF-TC might be regarded as a temporary treatment performed under SEEG rather than a promising treatment for refractory epilepsy.
