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In this paper, we propose an efficient method to reconstruct surface-from-gradients (SfG). Our method is formulated under the framework of discrete geometry processing. Unlike the existing SfG approaches, we transfer the continuous reconstruction problem into a discrete space and efficiently solve the problem via a sequence of least-square optimization steps. Our discrete formulation brings three...
An ultra-wideband (UWB) asymmetric multi-section directional coupler is proposed and demonstrated. In order to obtain broadband frequency response an asymmetric offset parallel-coupled strip transmission line coupler has been chosen. The influence of discontinuities in the regions of coupled and transmission line connections, as well as intersection connections, has been taken into account in the...
A flocculant-producing bacterial strain, named KL3-5 was screened by means of the pyridine screening from 10 soil samples. The flocculating rate of bioflocculant produced by KL3-5 strain was 94.6%. The strain KL3-5 was identified as proteusbacillus vulgaris of Enterobacter family according to its morphological, physiological, biochemical, and 16S rDNA sequence characteristics. It was indicated that...
A bacterial strain, named KL2-13 was isolated by means of enrichment culture from soil contaminated by heavy oil from Karamay of Xinjiang Oilfield. The strain KL2-13 was identified as Bacillus according to its morphological, physiological, biochemical, and 16S rDNA sequence characteristics. The biodegradation experiments were made to research whether the bacterial strain KL2-13 could accelerate the...
A thermophilic oil-degrading bacterial group, named KL6-3 was screened by means of enrichment culture from soil contaminated by heavy oil from Karamay of Xinjiang Oilfield. Its oil degradation rate was up to 48.6% at 45°C and oil concentration of 10g·L-1(data not reported). To evaluate biodegradation to petroleum polluted soil of the KL6-3, the soil samples collected from Karamay supplemented with...
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