Sweden has a housing shortage,which the Swedish authorities expect to continue until 2025.Producers of wooden multi-family houses have a relatively small market share in comparison to traditional building materials.Th...Sweden has a housing shortage,which the Swedish authorities expect to continue until 2025.Producers of wooden multi-family houses have a relatively small market share in comparison to traditional building materials.The limited capability to fulfil the increased building demand also restricts the possibilities for development towards innovation,bio-economy and sustainability.The municipalities in Sweden have responsible for planning of the building development in their region based on their projected requirements and strategies.Combining this with a desire to develop sustainable building solutions based on wood increases the complexity.Currently,public building developments are achieved through the public procurement act or the land allocation activity,dependent on their development strategy.This normally involves the development of local strategies regarding,e.g.design,material choice and geographical development.By identifying market drivers enables improved market entry activities related to public building initiatives using wood-based solutions.Hence,by improving transparency in the land allocation activity generate enhanced possibilities for the companies to respond successfully to the requests submitted by the municipalities.This knowledge is used to better understand the required strategic development for the companies,the government and the municipalities to increase the use of sustainable building materials in Swedish multi-family housing projects.展开更多
The alternating electromagnetic(EM) field is one of the most sensitive physical fields related to earthquakes. There have been a number of publications reporting EM anomalies associated with earthquakes. With increasi...The alternating electromagnetic(EM) field is one of the most sensitive physical fields related to earthquakes. There have been a number of publications reporting EM anomalies associated with earthquakes. With increasing applications and research of artificial-source extremely low frequency EM and satellite EM technologies in earthquake studies, the amount of observed data from the alternating EM method increases rapidly and exponentially, so it is imperative to develop suitable and effective methods for processing and analyzing the influx of big data. This paper presents research on the self-adaptive filter and wavelet techniques and their applications to analyzing EM data obtained from ground measurements and satellite observations, respectively. Analysis results show that the self-adaptive filter method can identify both natural- and artificial-source EM signals, and enhance the ratio between signal and noise of EM field spectra, apparent resistivity, and others. The wavelet analysis is capable of detecting possible correlation between EM anomalies and seismic events. These techniques are effective in processing and analyzing massive data obtained from EM observations.展开更多
文摘Sweden has a housing shortage,which the Swedish authorities expect to continue until 2025.Producers of wooden multi-family houses have a relatively small market share in comparison to traditional building materials.The limited capability to fulfil the increased building demand also restricts the possibilities for development towards innovation,bio-economy and sustainability.The municipalities in Sweden have responsible for planning of the building development in their region based on their projected requirements and strategies.Combining this with a desire to develop sustainable building solutions based on wood increases the complexity.Currently,public building developments are achieved through the public procurement act or the land allocation activity,dependent on their development strategy.This normally involves the development of local strategies regarding,e.g.design,material choice and geographical development.By identifying market drivers enables improved market entry activities related to public building initiatives using wood-based solutions.Hence,by improving transparency in the land allocation activity generate enhanced possibilities for the companies to respond successfully to the requests submitted by the municipalities.This knowledge is used to better understand the required strategic development for the companies,the government and the municipalities to increase the use of sustainable building materials in Swedish multi-family housing projects.
基金supported by the National Natural Science Foundation of China(Grant Nos.41374077,41074047)CEA-NASCC Dragon Project Ⅲ(Grant No.10671)Special Public Benefit Program for Earthquake Study(Grant No.200808010)
文摘The alternating electromagnetic(EM) field is one of the most sensitive physical fields related to earthquakes. There have been a number of publications reporting EM anomalies associated with earthquakes. With increasing applications and research of artificial-source extremely low frequency EM and satellite EM technologies in earthquake studies, the amount of observed data from the alternating EM method increases rapidly and exponentially, so it is imperative to develop suitable and effective methods for processing and analyzing the influx of big data. This paper presents research on the self-adaptive filter and wavelet techniques and their applications to analyzing EM data obtained from ground measurements and satellite observations, respectively. Analysis results show that the self-adaptive filter method can identify both natural- and artificial-source EM signals, and enhance the ratio between signal and noise of EM field spectra, apparent resistivity, and others. The wavelet analysis is capable of detecting possible correlation between EM anomalies and seismic events. These techniques are effective in processing and analyzing massive data obtained from EM observations.
