Search Results - Chen Song

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  1. 1
    Difference among leaves located on different plant positions in photosynthetic properties and relevant enzyme activities in three tobacco cultivars

    Difference among leaves located on different plant positions in photosynthetic properties and relevant enzyme activities in three tobacco cultivars by SU Xian-kun, CHEN Song, ZHANG Guo-ping

    Published 2009-09-01

    Experiments were conducted to study the mechanism of the difference in quality formation among the leaves located on different plant positions by measuring photosynthetic rate (Pn), chlorophyll fluorescence and activity of enzymes related to carbon and nitrogen metabolism, i.e. nitrate reductase (NR...

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  2. 2
    Formation and Obstacle Avoidance in the Unknown Environment of Multi-Robot System

    Formation and Obstacle Avoidance in the Unknown Environment of Multi-Robot System by Zhang, Tao, Li, Xiaqin, Zhu, Yi, Chen, Song, Cheng, Yu, Song, Jingyan

    Published 2011

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  3. 3
    Prevalence and molecular characterization of multi-resistant Escherichia coli isolates from clinical bovine mastitis in China

    Prevalence and molecular characterization of multi-resistant Escherichia coli isolates from clinical bovine mastitis in China by Hongxia Zhao, Hailan Ma, Chen Song, Shuting Fan, Hongliang Fan, Weiguang Zhou, Jinshan Cao

    Published 2024-12-01

    Different antibiotics are used to treat mastitis in dairy cows that is caused by Escherichia coli (E. coli). Antimicrobial resistance in food-producing animals in China has been monitored since 2000. Surveillance data have shown that the prevalence of multiresistant E. coli in animals has increased...

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  4. 4
    Changes in the activities of key enzymes and the abundance of functional genes involved in nitrogen transformation in rice rhizosphere soil under different aerated conditions

    Changes in the activities of key enzymes and the abundance of functional genes involved in nitrogen transformation in rice rhizosphere soil under different aerated conditions by Chun-mei XU, De-shun XIAO, CHEN Song, CHU Guang, LIU Yuan-hui, ZHANG Xiu-fu, WANG Dan-ying

    Published 2023-03-01

    Soil microorganisms play important roles in nitrogen transformation. The aim of this study was to characterize changes in the activity of nitrogen transformation enzymes and the abundance of nitrogen function genes in rhizosphere soil aerated using three different methods (continuous flooding (CF),...

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  5. 5
    Global, regional, and national burden of tuberculosis due to smoking, 1990-2021: analysis for the Global Burden of Disease study

    Global, regional, and national burden of tuberculosis due to smoking, 1990-2021: analysis for the Global Burden of Disease study by Guizeng Zhao, Yating Wu, Chen Song, Yazhou Sun, Shuzhi Zang, Feng Tian, Zhitao Gao, Zhitao Gao, Chenguang Zhang, Chenguang Zhang, Xia Wang

    Published 2025-07-01

    BackgroundTuberculosis (TB) is an infectious disease caused by Mycobacterium tuberculosis invading the lungs and other organs, which is a serious threat to human life and health. Recent studies have shown that smoking is an important risk factor for the development of TB and advances the progression...

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