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    Greenhouse Gas Inventory of a Typical High-End Industrial Park in China by Bin Chen, Guoxuan He, Jing Qi, Meirong Su, Shiyi Zhou, Meiming Jiang

    Published 2013-01-01
    “…Focusing on a typical high-end industrial park in Beijing, we analyze the carbon sources within the system boundary and probe into the emission structure in view of life-cycle analysis. …”
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    Flowering characteristics and breeding system of Deutzia parviflora by WANG Qi, LI Jinyu, WANG Xinyi, WANG Yixuan, GUO Wei, YUAN Tao

    Published 2025-01-01
    “…[Results] (1) D . parviflora began to bloom in late April and ended in mid-May in Beijing. Its flowering type is concentrated flowering, with a group flowering period of 22-23 d and a single flowering period of 8 d, which can be divided into 8 stages. (2) The stigma acceptability at the petal flattening stage was the strongest, and the pollen viability at the stamen expansion stage was the highest. (3) The optimal medium for pollen viability determination was: 100.0 g/L sucrose + 0.3 g/L H3BO3 + 0.2 g/L CaCl2. (4) Pollen can be dried and stored in the short term (within 10 d), at -20 ℃ and -80 ℃ in the medium term (10-30 d), and at -80 ℃ for a long time (more than 30 d). (5) The pollen-ovule ratio of D . parviflora was 23 695.93, the out-crossing index was 3, the fruit setting rate of xenogamy was the highest. …”
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