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Linking atmospheric emission and deposition to accumulation of soil cadmium in the Middle-Lower Yangtze Plain,China

Journal of Integrative Agriculture 2023年第10期22卷 3170-3181页

作者： TANG Li-li fu bo-min WU Yang CAI fu-chen MA Yi-bing National Observation and Research Station of Coastal Ecological Environments in Macao Macao Environmental Research InstituteMacao University of Science and TechnologyMacao SAR 999078P.R.China

Cadmium(Cd)is one of the most toxic heavy metals in the *** deposition has been found to be the main source of Cd pollution of soil on a large scale in China,and identification of the relationships between anthropogenic emission,atmospheric deposition,and Cd accumulation in soil is important for developing ways to mitigate Cd non-point *** this study,the relationship between atmospheric emission,atmospheric deposition,and soil Cd accumulation in the Middle-Lower Yangtze Plain in China was investigated using datasets of atmospheric emission,deposition,and soil accumulation from the literatures published between 2000 and *** results showed that the soil Cd accumulation rate in the study area exceeded the national average(4.0μg kg^(–1)yr^(–1))and continued to accumulate in recent decades,although the average accumulation rate decreased from 9.45μg kg^(–1)yr^(–1)(2000–2010 period)to8.86μg kg^(–1)yr^(–1)(2010–2020 period).The contribution of atmospheric deposition flux to Cd increment in the soil was in the range of 22–29%,with the atmospheric deposition flux decreasing from 0.54 mg m^(–2)yr^(–1)(2000–2010)to 0.48 mg m^(–2)yr^(–1)(2010–2020),both values being greater than the national *** Cd deposition and emission were highly correlated in a provincial administrative region,which is close to a ratio of *** factors may be in a state of dynamic change due to the influences of new Cd emission control technologies and environmental *** the main sources of Cd emissions,dust,and smoke emissions per ton of non-ferrous metal production decreased by 64.7%between the 2000–2010 and 2010–2020 *** new environmental policies have been instigated,atmospheric emission of Cd is still *** was hoped that the findings of this work would provide a scientific basis for the rational control of atmospheric emissions and Cd pollution of soil.

关键词： cadmium soil accumulation atmospheric emission atmospheric deposition

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Joint Retrieval of PM_(2.5) Concentration and Aerosol Optical Depth over China Using Multi-Task Learning on FY-4A AGRI

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Advances in Atmospheric Sciences 2025年第1期42卷 94-110页

作者： bo LI Disong fu Ling YANG Xuehua FAN Dazhi YANG Hongrong SHI Xiang’ao XIA Electronic Engineering College Chengdu University of Information TechnologyChengdu 610225China Tianjin Meteorological Radar Research Trial Center Tianjin Meteorological BureauTianjin 300074China Key Laboratory of Middle Atmosphere and Global Environment Observation Institute of Atmospheric PhysicsChinese Academy of SciencesBeijing 100029China Research Centre on Meteorological Observation Engineering Technology China Meteorological AdministrationBeijing 100081China Key Laboratory of Atmospheric Environment and Extreme Meteorology Institute of Atmospheric PhysicsChinese Academy of SciencesBeijing 100029China School of Electrical Engineering and Automation Harbin Institute of TechnologyHarbin 150001China University of Chinese Academy of Sciences Beijing 100049China

Aerosol optical depth(AOD)and fine particulate matter with a diameter of less than or equal to 2.5μm(PM_(2.5))play crucial roles in air quality,human health,and climate ***,the complex correlation of AOD–PM_(2.5)and the limitations of existing algorithms pose a significant challenge in realizing the accurate joint retrieval of these two parameters at the same *** this point,a multi-task learning(MTL)model,which enables the joint retrieval of PM_(2.5)concentration and AOD,is proposed and applied on the top-of-the-atmosphere reflectance data gathered by the Fengyun-4A Advanced Geosynchronous Radiation Imager(FY-4A AGRI),and compared to that of two single-task learning models—namely,Random Forest(RF)and Deep Neural Network(DNN).Specifically,MTL achieves a coefficient of determination(R^(2))of 0.88 and a root-mean-square error(RMSE)of 0.10 in AOD *** comparison to RF,the R^(2)increases by 0.04,the RMSE decreases by 0.02,and the percentage of retrieval results falling within the expected error range(Within-EE)rises by 5.55%.The R^(2)and RMSE of PM_(2.5)retrieval by MTL are 0.84 and 13.76μg m~(-3)*** with RF,the R^(2)increases by 0.06,the RMSE decreases by 4.55μg m~(-3),and the Within-EE increases by 7.28%.Additionally,compared to DNN,MTL shows an increase of 0.01 in R^(2)and a decrease of 0.02 in RMSE in AOD retrieval,with a corresponding increase of 2.89%in *** PM_(2.5)retrieval,MTL exhibits an increase of 0.05 in R^(2),a decrease of 1.76μg m~(-3)in RMSE,and an increase of 6.83%in *** evaluation suggests that MTL is able to provide simultaneously improved AOD and PM_(2.5)retrievals,demonstrating a significant advantage in efficiently capturing the spatial distribution of PM_(2.5)concentration and AOD.

关键词： AOD PM_(2.5) FY-4A multi-task learning joint retrieval

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Two-dimensional lateral magnetic tunnel junction with ultrahigh tunneling magnetoresistance

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Nano Research 2025年第2期18卷 958-964页

作者： Qiu-Qiu Li Zhi-fu Duan Wen-Wen Liu Rong Yang bo Li Ke-Qiu Chen Changsha Semiconductor Technology and Application Innovation Research Institute College of Semiconductors(College of Integrated Circuits)Hunan UniversityChangsha 410082China Department of Applied Physics School of Physics and ElectronicsHunan UniversityChangsha 410082China Research Institute of Hunan University in Chongqing Chongqing 401120China Shenzhen Research Institute of Hunan University Shenzhen 518063China

Giant tunneling magnetoresistance(TMR)has always been a pursuit in the research of magnetic tunnel junctions(MTJ).Two-dimensional(2D)magnetic materials have been used to construct lateral MTJ with high *** we investigated the crystal structure and magnetic property of CrSI monolayer,and found that it is a ferromagnetic semiconductor with a Curie temperature of about 180 *** CrSI monolayer with Li adsorption(Li-CrSI)show ferromagnetic half-metallic with a high Curie temperature of 300 *** we designed a lateral Li CrSI/CrSI/Li-CrSI monolayer *** TMR of the MTJs along b transport direction is 3 orders of magnitude times larger than that of the a transport direction,which should result from the different spin filtering ability along the two *** TMR of b transport direction in the MTJ is 7.67×10^(14),which is significantly higher than that of any reported lateral MTJs based on 2D *** results provide a promising avenue for designing lateral MTJs with giant TMR and high Curie temperature.

关键词： two-dimensional materials magnetic tunnel junctions CrSI monolayer tunneling magnetoresistance Li atom adsorption

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Dark energy effects on surface gravitational redshift and Keplerian frequency of neutron stars

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Communications in Theoretical Physics 2025年第1期77卷 122-129页

作者： Jia-Jing He Yan Xu Yi-bo Wang Xiu-Lin Huang Xing-Xing Hu Yu-fu Shen Changchun Observatory National Astronomical ObservatoriesChinese Academy of SciencesChangchun 130117China School of Astronomy and Space Sciences University of Chinese Academy of SciencesBeijing 100049China

Research on the properties of neutron stars with dark energy is a particularly interesting yet unresolved problem in *** analyze the influence of dark energy on the equation of state,the maximum mass,the surface gravitational redshift and the Keplerian frequency for the traditional neutron star and the hyperon star matter within the relativistic mean field theory,using the GM1 and TM1 parameter sets by considering the two flavor symmetries of SU(6)and SU(3)combined with the observations of PSR J1614-2230,PSR J0348+0432,PSR J0030+0451,RX J0720.4-3125,and 1E *** is found that the existence of dark energy leads to the softened equations of the state of the traditional neutron star and the hyperon *** radius of a fixed-mass traditional neutron star(or hyperon star)with dark energy becomes smaller,which leads to increased *** existence of dark energy can also enhance the surface gravitational redshift and the Keplerian frequency of traditional neutron stars and hyperon *** growth of the Keplerian frequency may cause the spin rate to speed up,which may provide a possible way to understand and explain the pulsar glitch ***,we infer that the mass and the surface gravitational redshift of PSR J1748-2446ad without dark energy for the GM1(TM1)parameter set are 1.141 M_(☉)(1.309 M_(☉))and 0.095(0.105),*** corresponding values for the GM1(TM1)parameter set are 0.901 M_(☉)(1.072M_(☉))and 0.079(0.091)if PSR J1748-2446ad contains dark energy withα=*** J1748-2446ad may be a low-mass pulsar with a lower surface gravitational redshift under our selected models.

关键词： dark energy neutron stars gravitational redshift Keplerian frequency

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锦氨经编染色织物耐汗渍色牢度的改善

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印染 2018年第20期44卷 30-32页

作者：郭珊杜淑芳付博敏科德宝宝翎衬布(南通)有限公司江苏南通226006

针对锦氨针织染色织物耐汗渍色牢度差的问题,结合生产实际提出了改善方法。在满足客户需求色光的基础上尽量降低染料用量,加强染后水洗,采用阴离子固色剂DM-2539D,80℃固色20 min。固色后耐汗渍色牢度可达4级,无需二次固色。对于色牢度... 详细信息

针对锦氨针织染色织物耐汗渍色牢度差的问题,结合生产实际提出了改善方法。在满足客户需求色光的基础上尽量降低染料用量,加强染后水洗,采用阴离子固色剂DM-2539D,80℃固色20 min。固色后耐汗渍色牢度可达4级,无需二次固色。对于色牢度不达标的产品,采用先浸轧阴离子固色剂再浸轧阳离子固色剂的二次固色方式回修,可使耐汗渍色牢度满足要求。

关键词：染色固色剂耐汗渍色牢度经编织物锦纶氨纶

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Graphene oxide wrapped-silica microspheres humidity sensor with fast response/recovery,high sensitivity,and selectivity for pig respiratory rate monitoring

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Science China(Technological Sciences) 2025年第2期68卷 86-96页

作者： Jing LI bo LI Ziqi LIAO Yunhui DUAN Xinglan fu Yuehua HUANG Guanglin LI College of Engineering and Technology Southwest UniversityChongqing 400715China Modern Agricultural Equipment Research Institute Xihua UniversityChengdu 610039China

Respiratory rate monitoring is of great significance in pig healthy breeding for the early detection and timely prevention of respiratory *** sensing is an important noncontact method to monitor pig respiration,which does not cause direct harm to pigs and meets the requirements of animal *** paper proposes a humidity sensor based on graphene oxide wrapped-silica microspheres(GO@SiO_(2)).First,the sensor shows fast response/recovery performances of 0.24/0.73 *** demonstrate that the wrapped microsphere structure can inhibit water *** is speculated that the wrapped microsphere structure can inhibit the stacking of GO,and its curved surface can promote the evaporation of water ***,the sensor shows a high sensitivity of 1.2%/%RH-4.2%/%RH in 11%-95%RH *** can be attributed to different sensing mechanisms,from hopping transport to increasing ion transport,leading to a significant change in the sensor’s ***,the sensor shows selectivity to water molecules due to the hydrophilic characteristic of GO and the significant increase in conductivity by ion ***,the sensor is applied to realize the respiratory rate monitoring of adult pigs and piglets.

关键词： pig respiratory monitoring GO@SiO_(2)humidity sensor fast response/recovery high sensitivity selectivity

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Receiver-device-independent quantum secure direct communication

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Science China(Physics,Mechanics & Astronomy) 2025年

作者： Cheng Liu Cheng Zhang Shi-Pu Gu Xing-fu Wang Lan Zhou Yu-bo Sheng College of Science Nanjing University of Posts and Telecommunications College of Electronic and Optical Engineering College of Flexible Electronics (Future Technology)Nanjing University of Posts and Telecommunications

Quantum secure direct communication (QSDC) enables the sender to directly transmit secure messages to the receiver via a quantum channel without the need for ***-independent (DI) and measurement-device-independent (MDI) QSDC protocols theoretically enhance the practical security of ***,DI QSDC requires extremely high global detection efficiency and has a limited secure communication *** DI and MDI QSDC protocols depend on high-quality *** entanglement sources,which generate entangled photon pairs with low efficiency,significantly reduce their practical communication *** this paper,we propose a single-photon-based receiver-device-independent (RDI) QSDC *** protocol relies solely on the practical single-photon source,which is nearly on-demand with current technology,and treats all receiving devices on both ends of the communication as“black boxes”.The security of the message is ensured only through the observed *** also develop a numerical method to simulate the protocol’s performance under practical noisy communication *** RDI QSDC protocol provides the same security level as MDI *** to DI and MDI QSDC,RDI QSDC has several ***,it uses single-photon sources and single-photon measurements,which allow it to achieve practical communication efficiency approximately 3415 times greater than that of DI QSDC,while being easier to *** entire protocol is feasible with current ***,it offers higher robustness to photon loss and better noise tolerance than DI QSDC,enabling a secure communication distance approximately 26 times greater than that of DI *** on these advantages,the RDI QSDC protocol presents a promising approach for achieving highly secure and efficient QSDC in the near future.

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乳腺癌骨转移患者放疗后的预后分析

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中国肿瘤临床与康复 2017年第4期24卷 436-439页

作者：贺丹付波王敏成都市核工业四一六医院肿瘤科成都610000

目的探讨乳腺癌骨转移患者放疗后的预后情况。方法选取2008年1月至2013年5月间成都市核工业四一六医院收治的60例乳腺癌骨转移患者为研究对象。回顾性分析患者病历,并对患者进行1~3年的随访,收集记录患者放疗后的骨质破坏情况、绝经状... 详细信息

目的探讨乳腺癌骨转移患者放疗后的预后情况。方法选取2008年1月至2013年5月间成都市核工业四一六医院收治的60例乳腺癌骨转移患者为研究对象。回顾性分析患者病历,并对患者进行1~3年的随访,收集记录患者放疗后的骨质破坏情况、绝经状态、碱性磷酸酶(ALP)值和血清钙等指标,统计患者初诊乳腺癌治疗后无病生存时间、骨外转移病灶和放疗有效率等情况,并进行比较分析。结果不成瘤乳腺癌患者初诊后无病生存期<2年的病例数占患者总数比例的87.5%,成瘤乳腺癌患者为12.5%;不成瘤乳腺癌患者有骨外转移病灶占患者总数比为88.9%,成瘤乳腺癌患者为11.1%;差异均有统计学意义(均P<0.05)。60例患者中,疼痛完全缓解患者46例(76.7%);部分缓解患者2例(3.3%);无缓解患者12例(20.0%)。疼痛完全缓解患者比例明显高于其他两类患者,差异有统计学意义(P<0.05)。患者放疗后1年生存率为58.3%(35/60),2年生存率为28.3%(17/60),3年生存率为13.3%(8/60)。患者骨转移病灶成瘤样改变、脊髓压迫和骨转移病灶数目是影响乳腺癌骨转移患者预后的独立因素,差异均有统计学意义(均P<0.05)。结论骨转移病灶成瘤样改变、脊髓压迫与骨转移病灶数目是影响患者放疗预后的独立危险因素,应加大对乳腺癌骨转移患者这几方面的观察及随访力度。

关键词：乳腺肿瘤骨转移放疗预后

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Development of an Agrobacterium tumefaciens-mediated transformation system for somatic embryos and transcriptome analysis of LcMYB1's inhibitory effect on somatic embryogenesis in Litchi chinensis

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Journal of Integrative Agriculture 2025年第2期24卷 594-609页

作者： Yaqi Qin bo Zhang Xueliang Luo Shiqian Wang Jiaxin fu Zhike Zhang Yonghua Qin Jietang Zhao Guibing Hu State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources/Key Laboratory of Biology and Genetic Improvement of Horticultural Crops (South China) Ministry of Agriculture and Rural Affairs/Guangdong Litchi Engineering Research CenterCollege of HorticultureSouth China Agricultural University

Litchi has great economic significance as a global fruit crop. However, the advancement of litchi functional genomics has encountered substantial obstacles due to its recalcitrance to stable transformation. Here, we present an efficacious Agrobacterium tumefaciens-mediated transformation system in somatic embryos of ‘Heiye' litchi. This system was developed through the optimization of key variables encompassing explant selection, A. tumefaciens strain delineation, bacterium concentration, infection duration, and infection methodology. The subsequent validation of the transformation technique in litchi was realized through the ectopic expression of LcMYB1, resulting in the generation of transgenic calli. However, the differentiation of transgenic calli into somatic embryos encountered substantial challenges. To delineate the intricate molecular underpinnings of LcMYB1's inhibitory role in somatic embryo induction, a comprehensive transcriptome analysis was conducted that encompassed embryogenic calli(C), globular embryos(G), and transgenic calli(TC). A total of 1,166 common differentially expressed genes(DEGs) were identified between C-vs.-G and C-vs.-TC. Gene Ontology(GO) annotation and Kyoto Encyclopedia of Genes and Genomes(KEGG) pathway analysis revealed that these common DEGs were mostly related to plant hormone signal transduction pathways. furthermore, RT-qPCR corroborated the pronounced down-regulation of numerous genes that are associated with somatic embryo induction within the transgenic calli. The development of this transformation system provides valuable support for functional genomics research in litchi.

关键词： Litchi chinensis A. tumefaciens transformation LcMYB1 somatic embryo

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An enhancer–promoter-transcription factor module orchestrates plant immune homeostasis by constraining camalexin biosynthesis

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Molecular Plant 2025年第1期18卷 95-113页

作者： Ying Zhang Meng Tang Yi Zhang Qinglin Cheng Lijiang Liu Wei Chen Jiatao Xie Jiasen Cheng Yanping fu bo Li Daohong Jiang Xiao Yu National Key Laboratory of Agricultural Microbiology Huazhong Agricultural UniversityWuhanHubei 430070China The Provincial Key Lab of Plant Pathology of Hubei Province College of Plant Science and TechnologyHuazhong Agricultural UniversityWuhanHubei 430070China Hubei Hongshan Laboratory WuhanHubei 430070China National Key Laboratory of Crop Genetic Improvement and National Center of Plant Gene Research(Wuhan) Huazhong Agricultural UniversityWuhan 430070China Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences Key Laboratory of Biology and Genetic Improvement of Oil Crops of the Ministry of AgricultureWuhan 430062China

Effective plant defense against pathogens relies on highly coordinated regulation of immune gene ***,as cis-regulatory elements,are indispensable determinants of dynamic gene regulation,but the molecular functions in plant immunity are not well *** this study,we identified a novel enhancer,CORE PATTERN-INDUCED ENHANCER 35(CPIE35),which is rapidly activated upon pathogenic elicitation and negatively regulates antifungal resistance through modulating WRKY15 *** immune activation,CPIE35 activates the transcription of WRKY15 by forming chromatin loops with the promoter of WRKY15 in a WRKY18/40/60-,WRKY33-,and MYC2-dependent ***15 directly binds to the promoters of PAD3 and GSTU4,suppressing their expression and leading to reduced camalexin synthesis and ***,CPIE35 region is evolutionarily conserved among Brassicaceae plants,and the CPIE35-WRKY15 module exerts similar functions in Brassica napus to negatively regulate antifungal *** work reveals the“enhancer–promoter-transcription factor”regulatory mechanism in maintenance of immune homeostasis,highlighting the importance and conserved role of enhancers in fine-tuning immune gene expression in plants.

关键词： plant innate immunity enhancers antifungal resistance transcriptional regulation cis-regulatory elements transcription factors

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