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- 저자 : Zhimeng Tang (검색결과 2 건)
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Ci Dunwei,Tang Zhaohui,Ding Hong,Cui Li,Zhang Guanchu,Li Shangxia,Dai Liangxiang,Qin Feifei,Zhang Zhimeng,Yang Jishun,Xu Yang 한국미생물학회 2021 The journal of microbiology Vol.59 No.1
Peanut (Arachis hypogaea. L) is an important oil seed crop. Both arbuscular mycorrhizal fungi (AMF) symbiosis and calcium (Ca2+) application can ameliorate the impact of saline soil on peanut production, and the rhizosphere bacterial communities are also closely correlated with peanut salt tolerance; however, whether AMF and Ca2+ can withstand high-salinity through or partially through modulating rhizosphere bacterial communities is unclear. Here, we used the rhizosphere bacterial DNA from saline alkali soil treated with AMF and Ca2+ alone or together to perform high-throughput sequencing of 16S rRNA genes. Taxonomic analysis revealed that AMF and Ca2+ treatment increased the abundance of Proteobacteria and Firmicutes at the phylum level. The nitrogenfixing bacterium Sphingomonas was the dominant genus in these soils at the genus level, and the soil invertase and urease activities were also increased after AMF and Ca2+ treatment, implying that AMF and Ca2+ effectively improved the living environment of plants under salt stress. Moreover, AMF combined with Ca2+ was better than AMF or Ca2+ alone at altering the bacterial structure and improving peanut growth in saline alkali soil. Together, AMF and Ca2+ applications are conducive to peanut salt adaption by regulating the bacterial community in saline alkali soil.
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Qun Wei,Lei Xu,Zhimeng Tang,Zhangbiao Xu,Cheng Xie,Lirong Guo,Wei Li 한국공업화학회 2023 Journal of Industrial and Engineering Chemistry Vol.122 No.-
Herein, a facile preparation method with characteristics of energy-saving, efficient and environmentallyfriendly is proposed. Firstly, GICs (Graphite Intercalation Compounds) were synthesized by microwaveassisted hydrothermal method using flake graphite (FG) as raw material, H2SO4, and K2S2O8 as oxidativeintercalations by microwave-assisted oxidation for 5 min, and then EG was prepared from obtained GICsby microwave irradiation for 40 s under the microwave power of 800 W, and the effect of different processconditions on EG expansion volume (EV) was studied. The results show that EG with a good expansioncan be rapidly prepared by microwave irradiation, and the EV value can reach 455 mL /g under theoptimal conditions. In particular, the prepared EG has a high graphitization degree with less structuraldamage, exihibiting good industrial application prospects. The mechanism of K2S2O8 oxidation and graphiteexpansion under microwave irradiation was analyzed. In adition, flexible graphite foil papers preparedwith the obtained EG exhibit good electrical conductivity and thermal properties. The as preparedEG material shows an efficient adsorption of hydraulic oil and vegetable oil and excellent flame retardantperformance. This preparation method is green, low cost, and safe, and can be used for the efficient batchpreparation of EG.
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