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Nitrite-dependent anaerobic methane oxidation (N-DAMO) is a recently discovered process linking the global carbon and nitrogen cycles. This process was reported to be mediated by “Candidatus Methylomirabilis oxyfera”. To date, M. oxyfera-like bacteria have been detected in a limited number of freshwater habitats, but whether these bacteria occur in(More)
This paper presents a method for modular robot joint that integrates mechanical part and control system. After the analysis of stress and distortion, it sets up a matrix model with errors. At the same time, PCI adapter and DSP servo controller are designed. The characteristics of the module are tested and analyzed. The main characteristics meet the design(More)
Binocular method is always used in the object location of robot, but the matching problem of the control points in the images is not settled perfectly. This paper introduces a method of Real-time positioning with high-precision by single camera based on P3P algorithm. When the camera and the control points were set on specific spatial location, we could get(More)
Ammonia oxidation is performed by both ammonia-oxidizing bacteria (AOB) and ammonia-oxidizing archaea (AOA). To explore the effect of ammonia concentration on the population dynamic changes of ammonia-oxidizing microorganisms, we examined changes in the abundance and community composition of AOA and AOB in different layers. Most of the archaeal amoA(More)
By analyzing structural features of soybean's stems, leaves and bean-pods, this paper brings up visualization modeling using graphics processing. This method could simulate soybean growth dynamically, and describe every status of some organs efficiently and quantitatively. It lays a foundation for soybean study in virtual plant field, to possess important(More)
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