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The status of rural water environment in China was analyzed and the corresponding countermeasures were pointed out in this paper. Only by means of the golden opportunity for development of new rural areas, perfecting management system, developing and utilizing advanced technology, strengthening environmental awareness of farmers and giving substantial financial support, the healthy circulation of...
In order to study the seismic responses of saturated sand, a group of centrifuge-shaking table tests on saturated medium dense sand and dense sand are conducted at the institute of technology, SHIMIZU Corporation in Japan. Then finite difference software FLAC/FLAC3D is used to calibrate the experimental results. Ideal elastic-plastic model, Mohr-Coulomb's criterion and Finn's pore pressure generation...
Climate, biophysical conditions and human activities all contribute to the occurrences of ecosystem and environment problems, i.e. water scarcity, desertification, salinization, in arid and semiarid zone of North China. Mongolian Scots pine tree (Pinus sylvestris var. mongolica) is one of the principal species of the windbreak and sand-fixing forest in this area. In this paper, we presented the calibration...
Improving plant structure is pivotal for increasing the potential yield of crops. The aim of this paper was to evaluate the influence of leaf angle and leaf area index (LAI) on light interception efficiency and capacity of biomass production of rice using 3-D models. A group of virtual plant types of rice, with different combinations of leaf angles, was designed based on the 3-D data of a real rice...
Compared with classical process-based models, the functional-structural plant models provide more efficient tools to explore the impact of changes in plant structures on plant functioning. In this paper we investigated the effects of branches on the source-sink interaction for the cotton plant (Gossypium hirsutum L.) based on a two-treatment experiment conducted on cotton grown in the field: the single-stem...
Synaptic Short-Term Plasticity caused by continuous stimulation outside can lead to distortion in the receptive field of the neurons in human vision system. A hypothesis on the manner of the distortion in receptive field is put forward. Then a novel detection algorithm is proposed. The experiments indicate the superiority of the algorithm in both filtering performance and real-time processing. So...
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