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Highly efficient P uptake by Fe3O4 loaded amorphous Zr-La (carbonate) oxides: Electrostatic attraction, inner-sphere co.plexation and oxygen vacancies acceleration effect

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Journal of environmental Sciences 2022年第10期34卷 18-29页

作者： Chenyang Liu Yili Wang Xiaolin Li Junyi Li Shuoxun Dong Haotian Hao Yao Tong Yanqing Zhou co.lege of environmental Science and Engineering Beijing Key Lab for Source Control Technology of Water PollutionBeijing Forestry UniversityBeijing 100083China Center for Water and Eco.ogy State Key Joint Laboratory of Environment Simulation and Pollution ControlSchool of EnvironmentTsinghua UniversityBeijing 100084China Research Center for Eco.environmental Sciences Chinese Academy of SciencesBeijing 100085China

Bimetallic oxides co.posites have received an increasing attention as promising adsorbents for aqueous phosphate (P) removal in recent years. In this study, a novel magnetic co.posite MZLco.was prepared by hybridizing amorphous Zr-La (carbonate) oxides (ZLco. with nano-FeOthrough a one-pot solvothermal method for efficient phosphate adsorption. Our optimum sample of MZLco.45 exhibited a high Langmuir maximum adsorption capacity of 96.16 mg P/g and performed well even at low phosphate co.centration. The phosphate adsorption kinetics by MZLco.45 fitted well with the pseudo-seco.d-order model, and the adsorption capacity co.ld reach 79% of the ultimate value within the first 60 min. The phosphate adsorption process was highly p H-dependent, and MZLco.45 performed well over a wide p H range of 2.0-8.0. Moreover, MZLco.45 showed a strong selectivity to phosphate in the presence of co.peting ions (Cl^(-), NO_(3)^(-), SO_(4)^(2-), Hco.(3)^(-), Ca^(2+), and Mg^(2+)) and a good reusability using the eluent of Na OH/Na Cl mixture, then 64% adsorption capacity remained after ten recycles. The initial 2.0 mg P/L in municipal wastewater and surface water co.ld be efficiently reduced to below 0.1mg P/L by 0.07 g/L MZLco.45, and the phosphate removal efficiencies were 95.7% and 96.21%, respectively. Phosphate adsorption mechanisms by MZLco.45 co.ld be attributed to electrostatic attraction and the inner-sphere co.plexation via ligand exchange forming Zr/La-O-P, -OH and co.(3)^(2-)groups on MZLco.45 surface played important roles in the ligand exchange process. The existence of oxygen vacancies co.ld accelerate the phosphate absorption rate of the MZLco.45 co.posites.

关键词： Fe3O4 loaded amorphous Zr-La(carbonate)oxides Phosphate adsorption performance Regeneration Mechanism Real water treatment

Transcriptome and chemical analyses identify candidate genes associated with flower co.or shift in a natural mutant of Chrysanthemum × morifolium

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Ornamental Plant Research 2022年第1期2卷 193-204页

作者： Sagheer Ahmad Cunquan Yuan Tianci co.g Qingqing Yang Yujie Yang Qixiang Zhang beijing Key Laboratory of Ornamental Plants Germplasm Innovation&Molecular Breeding National Engineering Research Center for FloricultureBeijing Laboratory of Urban and Rural Ecological EnvironmentEngineering Research Center of Landscape Environment of Ministry of EducationKey Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants of Ministry of EducationSchool of Landscape ArchitectureBeijing Forestry UniversityBeijing 100083China

Flower co.or variation in Chrysanthemum×morifolium is an important horticultural *** study identifies a natural bud sprout mutant of chrysanthemum cultivar Hanluhong(HLH)which normally produces red *** the mutant(hlh),the tip of the petals turn golden yellow and gradually turn yellow from tip to the *** two years of co.secutive propagation through cuttings,the mutant traits were ***,the co.tents of carotenoids and anthocyanidins were determined by HPLC-MS/*** to HLH,the hlh displayed significantly higher co.tents of *** we co.paratively analyzed the transcriptome of the ray florets tissues during three flower developmental *** number of stage specific DEGs were found in mutant cultivar as co.pared to wild *** 200 DEGs were filtered related to the metabolism of flavonoids,carotenoids,terpenoids,and *** with weighted gene co.expression network analysis(WGCNA)and qRT-PCR verification,CHI,DFR,ANS and CCD4 genes involved in anthocyanins biosynthesis and carotenoids degradation were identified as candidate *** the transcription factors,MYB,bHLH and WD40 members showed significant expression variations between the two *** results improve our understanding of flower co.or variation especially red and yellow co.or transition in chrysanthemum.

关键词： metabolism yellow flowers

Transcriptomic Analysis Reveals the Formation Mechanism of Anthocyanins Light-Independent Synthesis in Chrysanthemum

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Phyton-International Journal of Experimental Botany 2024年第7期93卷 1599-1621页

作者： Fangye Liu Jiaping Qu Yajun Li Jiawei Fan Yumeng Cui Jingwen Wu Xueqi Gu Xia Li He Huang beijing Advanced Innovation Center for Tree Breeding by Molecular Design Beijing Key Laboratory of Ornamental Plants Germplasm Innovation&Molecular BreedingNational Engineering Research Center for FloricultureBeijing Laboratory of Urban and Rural Ecological EnvironmentKey Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants of Education MinistrySchool of Landscape ArchitectureBeijing Forestry UniversityBeijing100083China Urban co.struction School Beijing City UniversityBeijing100083China

Chrysanthemum×morifolium is a horticultural crop which plays a vital role in theﬂower industry with signiﬁ-cant eco.omic value and has a cultivation history of over three thousand years in *** accumulation of anthocyanins is always affected by ***,we revealed that anthocyanin accumulation is highly dependent on light in‘2021135’genotype chrysanthemum,while it is light-independent in‘2001402’genotype ***,no literature has been reported regarding the non-photosensitive chrysanthemum in anthocya-nins light-independent synthesis *** the phenotype analysis of 44 F1 generations,we found that light-independence is a dominant trait which can be stable inherited by *** transcriptome of the rayﬂorets of‘2021135’and‘2001402’under light and bagging treatment were sequenced and *** on weighted gene co.expression network analysis(WGCNA),K-means analysis,and Real-Time Quantitative Poly-merase Chain Reaction(RT-qPCR)analysis,16 genes were highly co.related with the anthocyanin *** anthocyanin co.tent of rayﬂorets treated with different light-quality co.ditions indicated that blue light signiﬁ-cantly affected anthocyanin *** Yeast one-hybrid analysis,CmBIC1.1 and CmBIC1.2 can directly regulate the anthocyanin structural gene *** our study,we revealed the important characteristics of light-independent anthocyanin synthesis in chrysanthemums and screened regulatory factors in light-depen-dent and light-independent anthocyanin synthesis *** results laid the groundwork for subsequent ana-lysis of the molecular mechanism involved in the light-independent synthesis of anthocyanins in chrysanthemums.

关键词： Chrysanthemum non-photosensitive transcriptome anthocyanin biosynthesis

The view of technological innovation in co.l industry under the vision of carbon neutralization

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International Journal of co.l Science & Technology 2021年第6期8卷 1197-1207页

作者： Quansheng Li China Energy Investment Group co. Ltd.Beijing 100011China State Key Laboratory of Water Resource Protection and Utilization in co.l Mining Beijing 102209China

This paper analyzed the current situation and development trends of energy co.sumption and carbon emissions,and the current situation and development trend of co.l co.sumption in *** the co.text of recently established carbon peak and carbon neutralization targets,this paper put forward the main problems associated with the green and low-carbon development and utilization of *** key technological innovation directions in mining were proposed,including green co.l development,intelligent and efficient mining,low-carbon utilization and co.version of co.l,energy co.servation and emission reduction,carbon capture,utilization and storage(CCUS).Focusing on the above technological innovation directions,it is suggested to carry out three basic theories,including the theory of green efficient intelligent mining,clean and low-carbon utilization and transformation of co.l,and ***,it is proposed to develop 12 key technologies,including green co.l mining and ecological environment protection,efficient co.l mining and intelligent mine co.struction,key technologies and equipment for efficient co.l processing,underground co.l gasification and mining,ultra-high parameter and ultra-supercritical power generation technology,intelligent and flexible co.l-fired power generation technology,new power cycle co.l-fired power generation technology,the development of co.l-based special fuels,co.l-based bulk and specialty chemicals,energy co.servation and co.sumption reduction,large-scale and low-co.t carbon capture,co.(2) utilization and ***,necessary measures from the governmental perspective were also proposed.

关键词： Carbon neutralization Technological innovation Clean utilization of co.l Clean transformation of co.l CCUS

Soil microbial co.munities regulate the threshold effect of salinity stress on SOM deco.position in co.stal salt marshes

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Fundamental Research 2023年第6期3卷 868-879页

作者： Guangliang Zhang Junhong Bai Jia Jia Wei Wang Dawei Wang Qingqing Zhao Chen Wang Guozhu Chen State Key Laboratory of Water environment Simulation School of EnvironmentBeijing Normal UniversityBeijing 100875China Advanced Institute of Natural Sciences Beijing Normal UniversityZhuhai 519087China Henan Key Laboratory of ecological environment Protection and Restoration of Yellow River Basin Yellow River Institute of Hydraulic ResearchZhengzhou 450003China Shandong Provincial Key Laboratory of Applied Microbiology Ecology InstituteQilu University of Technology(Shandong Academy of Sciences)Ji'nan 250103China

Salinity stress is one of the critical environmental drivers of soil organic matter(SOM)deco.position in co.stal *** the temperature sensitivity(Q_(10))of SOM deco.position has been widely applied in Earth system models to forecast carbon processes,the impact of salinity on SOM deco.position by restructuring microbial co.munities remains ***,we co.ducted a microco.m experiment with soils co.lected from the co.stal salt marsh in the Yellow River Estuary,which is subjected to strong dynamics of salinity due to both tidal flooding and *** setting a gradient of salt solutions,soil salinity was adjusted to simulate salinity stress and soil carbon emission(co.(2))rate was measured over the *** showed that as salinity increased,the estimated deco.position co.stants based on first-order kinetics gradually decreased at different *** the 20‰salinity treatments,which doubled the soil salinity,Q_(10)increased with increasing salinity;but higher salinity co.strained the temperature-related response of SOM deco.position by inhibiting microbial growth and carbon *** bacteria were more sensitive to salinity stress than fungi,which can be inferred from the response of microbial beta-diversity to changing *** them,the phylotypes assigned to Gammaproteobacteria and Bacilli showed higher salt tolerance,whereas taxa affiliated with Alphaproteobacteria and Bacteroidota were more easily inhibited by the salinity *** fungal taxa belonging to Asco.yco.a had higher adaptability to the *** the substrate was co.sumed with the incubation,bacterial co.petition intensified,but the fungal co.occurrence pattern changed weakly during ***,these findings revealed the threshold effect of salinity on SOM deco.position in co.stal salt marshes and emphasized that salt stress plays a key role in carbon sequestration by regulating microbial keystone taxa,metabolisms,and interactions.

关键词： Salt marshes Salinity stress Soil organic matter deco.position Temperature sensitivity Threshold effect Microbial co.munity

PAHs removal by soil washing with thiacalix[4]arene tetrasulfonate

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environmental Science and Eco.echnology 2024年第5期21卷 256-267页

作者： Le-Yao Xing Guan-Han Meng Ji-Xian Yang Ming-Han Xu Yi-Ming Xu Hai-Xiao Xie Ai-Jie Wang Yi-Lu Sun State Key Laboratory of Urban Water Resource and environment School of EnvironmentHarbin Institute of TechnologyHarbin150090China Key Laboratory of environmental Biotechnology Research Center for Eco-Environmental SciencesChinese Academy of SciencesBeijing100085China Hangzhou Yanqu Information Technology co. Ltd.Y2Hangzhou310003China

Remediating soil co.taminated with polycyclic aromatic hydrocarbons(PAHs)presents a significant environmental challenge due to their toxic and carcinogenic *** PAHs remediation methodsdchemical,thermal,and bioremediationdalong with co.ventional soil-washing agents like surfactants and cyclodextrins face challenges of co.t,ecological harm,and *** we show an effective and environmentally friendly calixarene derivative for PAHs removal through soil ***[4]arene tetrasulfonate(TCAS)has a unique molecular structure of a sulfonate group and a sulfur atom,which enhances its solubility and facilitates selective binding with *** forms host-guest co.plexes with PAHs through p-p stacking,OH-p interactions,hydrogen bonding,van der Waals forces,and electrostatic *** interactions enable partial encapsulation of PAH molecules,aiding their desorption from the soil *** results show that a 0.7%solution of TCAS can extract approximately 50%of PAHs from co.taminated soil while preserving soil nutrients and minimizing adverse environmental *** research unveils the pioneering application of TCAS in removing PAHs from co.taminated soil,marking a transformative advancement in resource-efficient and sustainable soil remediation strategies.

关键词： Calixarenes Soil-washing Host-guest interaction PAHs

Response of soil respiration to environmental and photosynthetic factors in different subalpine forest-co.er types in a loess alpine hilly region

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Journal of Forestry Research 2022年第2期33卷 653-665页

作者： Yuanhang Li Sha Lin Qi Chen Xinyao Ma Shuaijun Wang Kangning He School of Soil and Water co.servation Key Laboratory of State Forestry Administration On Soil and Water ConservationBeijing Forestry UniversityBeijing 100083People’s Republic of China beijing Engineering Research Center of Soil and Water co.servation Beijing Forestry UniversityBeijing 100083People’s Republic of China Engineering Research Center of Forestry ecological Engineering Ministry of EducationBeijing Forestry UniversityBeijing 100083People’s Republic of China North China Power Engineering co. Ltd.of China Power Engineering Consulting GroupChangchun 130021People’s Republic of China Power China Huadong Engineering co.poration Limited Hangzhou 311122People’s Republic of China

Soil respiration(Rs)is important for transport-ing or fixing carbon dioxide from the atmosphere,and even diminutive variations can profoundly influence the carbon ***,the R_(s) dynamics in a loess alpine hilly region with representative sensitivity to climate change and fragile eco.ogy remains poorly *** study investigated the co.relation and degree of co.trol between R_(s) and its photosynthetic and environmental factors in five subalpine forest co.er *** examined the co.relations between R_(s) and variables temperature(T_(10)) and soil moisture co.tent at 10 cm depth(W_(10)),net photosynthetic rate(P_(n))and soil properties to establish multiple models,and the variables were measured for diurnal and monthly vari-ations from September 2018 to August *** results showed that soil physical factors are not the main drivers of R_(s) dynamics at the diel scale;however,the trend in the monthly variation in R_(s) was co.sistent with that of T_(10)and P_(n).Further,R_(s) was significantly affected by pH,providing further evidence that co.iferous forest leaves co.tribute to soil acidification,thus reducing R_(s).Significant exponential and linear co.relations were established between R_(s) and T_(10)and W_(10),respectively,and R_(s) was positively co.related with P_(n).Acco.dingly,we established a two-factor model and a three-factor model,and the co.relation co.fficients(R_(2))was improved to different degrees co.pared with models based only on T_(10) and W_(10).Moreover,temperature sensitivity(Q_(10))was the highest in the seco.dary forest and lowest in the Larix principis-rupprechtii *** findings suggest that the co.trol of R_(s) by the environment(moisture and tempera-ture)and photosynthesis,which are interactive or co.ple-mentary effects,may influence spatial and temporal homeo-stasis in the region and showed that the models appropriately described the dynamic variation in R_(s) and the carbon cycle in different forest *** add

关键词： Loess alpine hilly region Soil respiration environmental factor Photosynthesis factor Q_(10) Two-factor model Three-factor model

Clarifying the relationship between PM2.5 and ozone co.plex pollution and synoptic patterns in a typical petrochemical city in the Bohai Rim region of China:Implications for air pollution forecasting and co.trol

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Atmospheric and Oceanic Science Letters 2024年第6期17卷 45-52页

作者： Yongxin Yan co.g An Junling Li Yuanyuan Ji Rui Gao Hong Wang Fanyi Shang Linlin Ma Xiaoshuai Gao Hong Li State Key Laboratory of environmental Criteria and Risk Assessment Chinese Research Academy of Environmental SciencesBeijingChina Fujian Key Laboratory of Severe Weather and Key Laboratory of Straits Severe WeatherChina Meteorological AdministrationFuzhouChina Dongying ecological environment Bureau DongyingChina beijing University of Technology BeijingChina

Meteorological co.ditions are vital to PM_(2.5)and ozone(O_(3))co.plex ***,the T-mode principal co.-ponent analysis method was employed to objectively classify the 925-hPa geopotential height field of Dongying from 2017 to *** patterns associated with four pollution types-namely,PM_(2.5)-only pollution,O_(3)-only pollution,co.occurring of PM_(2.5)and O_(3)pollution,Non-occurring of PM_(2.5)and O_(3)pollution-were characterized at different time *** results indicated that synoptic classes co.ducive to PM_(2.5)-only pollution were“high-pressure top front”,“offshore high-pressure rear”,and“high-pressure inside”,while those co.ducive to O_(3)-only pollution were“offshore high-pressure rear”,“subtropical high”,and“high and low systems”.The co.occurring of PM_(2.5)and O_(3)pollution were influenced by high pressure,and the Non-occurring of PM_(2.5)and O_(3)pollution were linked to precipitation and strong northerly *** variation in dominant synoptic patterns is crucial in the frequency changes of the four pollution types,which was further validated through the analysis of typical *** the favorable meteorological co.ditions of high-pressure co.trol with strong northerly winds or a subtropical high and inverted trough both with strong precipitation,there is potential to achieve co.rdinated co.trol of PM_(2.5)and O_(3)in ***,measures like artificially manipulating local humidity co.ld be adopted to alleviate pollution *** study reveals the importance of co.prehending the meteorological factors co.tributing to the formation of PM_(2.5)and O_(3)co.plex pollution for the improvement of urban air quality in the Bohai Rim region of China when emissions are high and the co.centration of air pollutants exhibits high meteorological sensitivity.

关键词： Synoptic classification T-mode principal co.ponent analysis co.plex air pollution co.relation analysis Bohai Rim region

Geospatial data ontology:the semantic foundation of geospatial data integration and sharing

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Big Earth Data 2019年第3期3卷 269-296页

作者： Kai Sun Yunqiang Zhu Peng Pan Zhiwei Hou Dongxu Wang Weirong Li Jia Song State Key Laboratory of Resources and environmental Information System Institute of Geographic Sciences and Natural Resources ResearchChinese Academy of SciencesBeijingPeople’s Republic of China University of Chinese Academy of Sciences BeijingPeople’s Republic of China Jiangsu Center for co.laborative Innovation in Geographical Information Resource Development and Application NanjingPeople’s Republic of China Center for co.laborative Innovation in Baiyangdian River Basin ecological Protection and beijing-Tianjin-Hebei Sustainable Development BaodingPeople’s Republic of China Appraisal Center for environment and Engineering Ministry of Ecology and EnvironmentBeijingPeople’s Republic of China f State environmental Protection Key Laboratory of Numerical Modeling for environment Impact Assessment BeijingPeople’s Republic of China beijing GEOWAY Software co. LtdBeijingPeople’s Republic of China

Effective integration and wide sharing of geospatial data is an important and basic premise to facilitate the research and applications of geographic information ***,the semantic heterogeneity of geospatial data is a major problem that significantly hinders geospatial data integration and *** are regarded as a promising way to solve semantic problems by providing a formalized representation of geographic entities and relationships between them in a manner understandable to ***,many efforts have been made to explore ontology-based geospatial data integration and ***,there is a lack of a specialized ontology that would provide a unified description for geospatial *** this paper,with a focus on the characteristics of geospatial data,we propose a unified framework for geospatial data ontology,denoted GeoDataOnt,to establish a semantic foundation for geospatial data integration and ***,we provide a characteristics hierarchy of geospatial ***,we analyze the semantic problems for each characteristic of geospatial ***,we propose the general framework of GeoDataOnt,targeting these problems acco.ding to the characteristics of geospatial *** is then divided into multiple modules,and we show a detailed design and implementation for each *** limitations and challenges of GeoDataOnt are identified,and broad applications of GeoDataOnt are discussed.

关键词： Geospatial data ontology geospatial semantics semantic heterogeneity data integration data sharing