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| 1 | Pollution assessment of heavy metals along the Mekong River and dam effects显示文摘在湄公河河盆的水文学政体,沉积和水质量的资源发展和变化吸引了大注意。这研究试图在这条国际河里在重金属的 transboundary 污染上提高学习。在这研究,八个采样地点被选择沿着湄公河河的主流收集床沙样品。另外, 5 个重金属元素的内容和他们沿着河的主流的空间可变性被分析。geoaccumulation 索引(Igeo ) 和潜在的生态的风险分析被采用在湄公河河的主流估计重金属污染地位。结果证明重金属元素 Zn 的平均内容是 91.43 mg/kg , Pb 是 41.85 mg/kg ,并且这是在上面的湄公河的床沙的 21.84 mg/kg 河,比那些高, Zn 68.17 mg/kg , Pb 28.22 mg/kg ,作为 14.97 mg/kg )在更低的湄公河。在更低的湄公河的 Cr 的平均内容是 418.86 mg/kg,比那高在上面的湄公河(42.19 mg/kg ) 。Luang Prabang 与 422.90 mg/kg 与 762.93 mg/kg 和 Pakse 有很高的 Cr 集中。8 个采样地点的在所有的 Cu 的集中是类似的,除了在有 11.70 mg/kg 的 Jiajiu 和有 7.00 mg/kg 的 Jiebei。当时, geoaccumulation 索引的结果表明污染由 Zn 和 Pb 引起了 Pb 并且这多于由在上面的湄公河的 Zn 的那些。Cr 是在更低的湄公河的主要污染物质,特别在 Luang Prabang 和 Pakse。细微污染与作为也发生在 Pakse。潜在的生态的风险索引显示在湄公河河的主流的重金属的潜在的生态的风险是低的。我们主张水质量的污染和在床沉积的重金属的污染在湄公河由矿物质资源或 geochemical 背景价值的采矿引起了没被播送从对更低的湄公河上面因为沿着河的水库沉积和冲淡。 | FU Kaidao SU Bin HE Daming LU Xixi SONG Jingyi HUANG Jiangcheng | 2012 | Journal of Geographical Sciences2012,22,5: | 10 |
| 2 | XBP-1u suppresses autophagy by promoting the degradation of FoxO1 in cancer cells显示文摘Autophagy 被激活响应滋养的饥饿维持细胞的精力动态平衡。然而, autophagy 固执地没被激活,它糟糕在机械学的水平被理解。这里,我们报导 FoxO1 的那周转涉及夫酸安饥饿引起的动态 autophagic 过程。X-box-binding protein-1u (XBP-1u ) 由招募在 FoxO1 降级有一个关键角色 FoxO1 到 20S proteasome。另外,由 Ser61 和 Ser176 上的细胞外的调整蛋白质 kinases1/2 (ERK1/2 ) 的 XBP-1u 的 phosphorylation 被发现在夫酸安饥饿之上为在 XBP-1u 和 FoxO1 之间的增加的相互作用批评。而且,引起 FoxO1 的持续水平和 autophagy 的坚持的激活的 XBP-1u 击倒,在房间生存能力导致重要减少。最后,在 XBP-1u 之间的反的关联和 FoxO1 表示同意很好,表示侧面在许多人的癌症纸巾观察了。因此,我们的调查结果连接到 XBP-1u-induced FoxO1 的 autophagy 的动态过程降级。 | Ying Zhao Xue Li Mu-Yan Cai Ke Ma Jing Yang Jingyi Zhou Wan Fu Fu-Zheng Wei Lina Wang Dan Xie Wei-Guo Zhu | 2013 | Cell Research2013,23,4: | 8 |
| 3 | EABDS: Attribute-Based Secure Data Sharing with Efficient Revocation in Cloud Computing显示文摘Ciphertext-policy attribute-based encryption(CP-ABE) is becoming a promising solution to guarantee data security in cloud computing. In this paper,we present an attribute-based secure data sharing scheme with Efficient revocation(EABDS) in cloud computing.Our scheme first encrypts data with Data encryption key(DEK) using symmetric encryption and then encrypts DEK based on CP-ABE, which guarantees the data confidentiality and achieves fine-grained access control. In order to solve the key escrow problem in current attribute based data sharing schemes, our scheme adopts additively homomorphic encryption to generate attribute secret keys of users by attribute authority in cooperation with key server, which prevents attribute authority from accessing the data by generating attribute secret keys alone.Our scheme presents an immediate attribute revocation method that achieves both forward and backward security.The computation overhead of user is also reduced by delegating most of the decryption operations to the key server.The security and performance analysis results show that our scheme is more secure and efficient. | HUANG Qinlong MA Zhaofeng YANG Yixian FU Jingyi NIU Xinxin | 2015 | Chinese Journal of Electronics2015,24,4: | 8 |
| 4 | SPSBl-mediated HnRNP A1 alternative splicing and cell ubiquitylation regulates migration in EGF signaling显示文摘细胞外的信号被显示了影响拼接的其他的 pre-mRNA;然而,分子的机制和导致信号的拼接的规定的生物意义仍然保持大部分未知。这里,我们报导那个表皮的生长因素(EGF ) 通过一个著名拼接管理者的 ubiquitylation 导致拼接的变化, hnRNP A1。EGF 发信号 upregulates 一个 E3 ubiquitin (Ub ) ligase 适配器,敏捷的包含域的 SOCS 盒子蛋白质 1 (SPSB1 ) ,它结合离氨酸 29 连接 polyUb 链到 hnRNP A1 上的成员 Elongin B/C-Cullin 建筑群。重要地, hnRNP A1 的 SPSB1 和 ubiquitylation 在驾驶 EGF 的房间移植有一个关键角色。机械学地,和 SR 蛋白质 kinases (SRPK ) 的激活的 hnRNP A1 的导致 EGF 的 ubiquitylation 导致拼接的 Rac1 的 upregulation isoform, Rac1b,支持房间活动性。这些调查结果解开在蛋白质 ubiquitylation 并且在 EGF/EGF 受体发信号的其他的拼接之间的新奇串音,并且在 modulating 房间移植识别新 EGF/SPSB1/hnRNP A1/Rac1 轴,它可以为癌症治疗有重要含意。 | Feng Wang Xing Fu Peng Chen Ping Wu Xiaojuan Fan Na Li Hong Zhu Ting-Ting Jia Hongbin Ji Zefeng Wang Catherine C L Wong Ronggui Hu Jingyi Hui | 2017 | Cell Research2017,27,4: | 5 |
| 5 | Scalable salt-templated directed synthesis of high-quality MoS_(2) nanosheets powders towards energetic and environmental applications显示文摘Two-dimensional(2D)transition metal dichalcogenides(TMDCs)have emerged as perfect platforms for developing applications in nano-electronics,catalysis,energy storage and environmental-related fields due to their superior properties.However,the low-cost,batch production of high-quality 2D TMDCs remains a huge challenge with the existing synthetic strategies.Herein,we present a scalable chemical vapor deposition(CVD)approach for the batch production of high-quality MoS_(2) nanosheet powders,by using naturally abundant,water-soluble and recyclable NaCl crystal powders as templates.The high-quality MoS_(2) nanosheets powders are achieved by a facile water dissolution-filtration process,by virtue of the excellent dispersibility of the as-grown products in water.The internal mechanism for the scalable synthesis strategy is explored.The applications of the MoS_(2) nanosheets powders are also demonstrated as catalysts or adsorbents in hydrogen evolution reaction(HER)and organic dyes adsorption,respectively.This work should hereby pave ways for the mass production and application of powdery TMDCs in energetic and environmental related fields. | Lijie Zhu Pengfei Yang Yahuan Huan Shuangyuan Pan Zhaoqian Zhang Fangfang Cui Yuping Shi Shaolong Jiang Chunyu Xie Min Hong Jiatian Fu Jingyi Hu Yanfeng Zhang | 2020 | Nano Research2020,13,11: | 4 |
| 6 | QKI-5 regulates the alternative splicing of cytoskeletal gene ADD3 in lung cancer显示文摘Accumulating evidence indicates that the alternative splicing program undergoes extensive changes during cancer develop-ment and progression.The RNA-binding protein QKI-5 is frequently downregulated and exhibits anti-tumor activity in lung cancer.Howeve-r,little is known about the functional targets and regulatory mechanism of QKI-5.Here,we report that upregulation of exon 14 inclusion of cytoskeletal gene Adducin 3(ADD3)significantly correlates with a poor prognosis in lung cancer.QKI-5 inhibits cell proliferation and migration in part through suppressing the splicing of ADD3 exon 14.Through genome-wide mapping of QKI-5 binding sites in vivo at nucleotide resolution by iCLIP-seq analysis,we found that QKI-5 regulates alternative splicing of its target mRNAs in a binding position-dependent manner.By binding to multiple sites in an upstream intron region,QKI-5 represses the splicing of ADD3 exon 14.We also identified several QKI mutations in tumors,which cause dysregulation of the splicing of QKI targets ADD3 and NUMB.Taken together,our results reveal that QKI-mediated alternative splicing of ADD3 is a key lung cancer-associated splicing event,which underlies in part the tumor suppressor function of QKI. | Jin-Zhu Wang Xing Fu Zhaoyuan Fang Hui Liu Feng-Yang Zong Hong Zhu Yan-Fei Yu Xiao-Ying Zhang Shen-Fei Wang Ying Huang jingyi Hui | 2021 | Journal of Molecular Cell Biology2021,13,5: | 4 |
| 7 | Attribute Based DRM Scheme with Dynamic Usage Control in Cloud Computing显示文摘In order to achieve fine-grained access control in cloud computing,existing digital rights management(DRM) schemes adopt attribute-based encryption as the main encryption primitive.However,these schemes suffer from inefficiency and cannot support dynamic updating of usage rights stored in the cloud.In this paper,we propose a novel DRM scheme with secure key management and dynamic usage control in cloud computing.We present a secure key management mechanism based on attribute-based encryption and proxy re-encryption.Only the users whose attributes satisfy the access policy of the encrypted content and who have effective usage rights can be able to recover the content encryption key and further decrypt the content.The attribute based mechanism allows the content provider to selectively provide fine-grained access control of contents among a set of users,and also enables the license server to implement immediate attribute and user revocation.Moreover,our scheme supports privacy-preserving dynamic usage control based on additive homomorphic encryption,which allows the license server in the cloud to update the users' usage rights dynamically without disclosing the plaintext.Extensive analytical results indicate that our proposed scheme is secure and efficient. | HUANG Qinlong | 2014 | China Communications2014,11,4: | 3 |
| 8 | Secure Data Sharing and Retrieval Using Attribute-Based Encryption in Cloud-Based OSNs显示文摘The Online social networks(OSNs) offer attractive means for social interactions and data sharing,but also raise a number of security and privacy issues. Since the OSNs service provider is always semi-trusted, current solutions propose to encrypt data before sharing. However,data encryption causes a lot of inconveniences and large overheads for data dissemination and data retrieval. In this paper, we propose a secure data sharing and retrieval scheme in cloud-based OSNs. Based on ciphertext-policy attribute-based encryption, our scheme achieves multiparty access control, which allows data owners to outsource encrypted data to the OSNs service provider for sharing,and enables data disseminators to disseminate the data owners' data by customizing new access policy. Our scheme also provides searchable encryption scheme to support fast searches in massive amount of encrypted data from both data owners and data disseminators. Further, our scheme preserves the privacy of data owners and data retrievers during the data sharing and retrieval processes. In addition, the computation overhead of data retrievers is reduced by delegating most of the decryption operations to the OSNs service provider. The security and performance analysis results indicate that our scheme is secure and privacy-preserving. | HUANG Qinlong MA Zhaofeng YANG Yixian FU Jingyi NIU Xinxin | 2014 | Chinese Journal of Electronics2014,23,3: | 3 |
| 9 | The Xanthomonas typeⅢeffector Xop AP prevents stomatal closure by interfering with vacuolar acidification显示文摘Plant stomata close rapidly in response to a rise in the plant hormone abscisic acid(ABA)or salicylic acid(SA)and after recognition of pathogenassociated molecular patterns(PAMPs).Stomatal closure is the result of vacuolar convolution,ion efflux,and changes in turgor pressure in guard cells.Phytopathogenic bacteria secrete typeⅢeffectors(T3Es)that interfere with plant defense mechanisms,causing severe plant disease symptoms.Here,we show that the virulence and infection of Xanthomonas oryzae pv.oryzicola(Xoc),which is the causal agent of rice bacterial leaf streak disease,drastically increased in transgenic rice(Oryza sativa L.)plants overexpressing the Xoc T3E gene Xop AP,which encodes a protein annotated as a lipase.We discovered that Xop AP binds to phosphatidylinositol 3,5-bisphosphate(Ptd Ins(3,5)P_(2)),a memb rane phospholipid that functions in p H control in lysosomes,membrane dynamics,and protein trafficking.Xop AP inhibited the acidification of vacuoles by competing with vacuolar H^(+)-pyrophosphatase(V-PPase)for binding to Ptd Ins(3,5)P_(2),leading to stomatal opening.Transgenic rice overexpressing Xop AP also showed inhibition of stomatal closure when challenged by Xoc infection and treatment with the PAMP flg22.Moreover,Xop AP suppressed flg22-induced gene expression,reactive oxygen species burst and callose deposition in host plants,demonstrating that Xop AP subverts PAMP-triggered immunity during Xoc infection.Taken together,these findings demonstrate that Xop AP overcomes stomatal immunity in plants by binding to lipids. | Longyu Liu Ying Li Zhengyin Xu Huan Chen Jingyi Zhang Brittany Manion Fengquan Liu Lifang Zou Zheng Qing Fu Gongyou Chen | 2022 | Journal of Integrative Plant Biology2022,64,10: | 3 |
| 10 | High performance liquid chromatographic separation of eight drugs collected in Chinese Pharmacopoeia 2010 on amylose ramification chiral stationary phase显示文摘The enantiomers separation of ei ght pharmaceutical racemates collected in Chinese Pharmacopoeia 2010(Ch.P2010),including nitrendipine,felodipine,omeprazole,praziquantel,sulpiride,clenbuterol hydrochloride,verapamil hydrochloride and chlorphenamine maleate,was performed on chiral stationary phase of amylose ramification by high performance liquid chromatography(HPLC)on Chiralpak AD-H column and Chiralpak AS-H column with the mobile phase consisted of isopropanol and n-hexane.The detection wavelength and the flow rate were set at 254 nm and 0.7 mL/min,respectively.The effects of proportion of organic additives,alcohol displacer and temperature on the separation were investigated.The results indicated that eight chiral drugs were separated on chiral stationary phase of amylase ramification in normal phase chroma tographic system.The chromatographic retention and resolution of enantiomers were adjusted by factors,including the changes of the concentration of alcohol displacer in mobile phase,organic alkaline modifier and column temperature.It was shown that the resolution was improved with reducing concentration of alcohol displacer.When the concentration of organic alkaline modifier was 0.2%,the resolution and the peak shape were fairly good.Most racemates mentioned above had the best resolution at column temperature of 25℃.The best temperature should be kept unchanged in the process of separation so as to obtain stable separation results. | Yan Wang Ying Zhou Chao Ma Beibei Yang Ru Feng Yiying Zhang Jie Fu Wenjing Chen Yupeng Sun Jingyi Ma Qiming Zhang Yulin Deng Yukui Zhang Wenyi He | 2012 | Acta Pharmaceutica Sinica B2012,2,5: | 3 |
| 11 | Additive-lathe 3D bioprinting of bilayered nerve conduits incorporated with supportive cells显示文摘Nerve conduits have been identified as one of the most promising treatments for peripheral nerve injuries,yet it remains unsolved how to develop ideal nerve conduits with both appropriate biological and mechanical properties.Existing nerve conduits must make trade-offs between mechanical strength and biocompatibility.Here,we propose a multi-nozzle additive-lathe 3D bioprinting technology to fabricate a bilayered nerve conduit.The materials for printing consisted of gelatin methacrylate(GelMA)-based inner layer,which was cellularized with bone marrow mesenchymal stem cells(BMSCs)and GelMA/poly(ethylene glycol)diacrylate(PEGDA)-based outer layer.The high viability and extensive morphological spreading of BMSCs encapsulated in the inner layer was achieved by adjusting the degree of methacryloyl substitution and the concentration of GelMA.Strong mechanical performance of the outer layer was obtained by the addition of PEGDA.The performance of the bilayered nerve conduits was assessed using in vitro culture of PC12 cells.The cell density of PC12 cells attached to cellularized bilayered nerve conduits was more than 4 times of that on acellular bilayered nerve conduits.The proliferation rate of PC12 cells attached to cellularized bilayered nerve conduits was over 9 times higher than that on acellular bilayered nerve conduits.These results demonstrate the additive-lathe 3D bioprinting of BMSCs embedded bilayered nerve conduits holds great potential in facilitating peripheral nerve repair. | Jingyi Liu Bin Zhang Liang Li Jun Yin Jianzhong Fu | 2021 | Bioactive Materials2021,6,1: | 2 |
| 12 | Optimal Decoupling Control Method and Its Application to a Ball Mill Coal-pulverizing System显示文摘The conventional optimal tracking control method cannot realize decoupling control of linear systems with a strong coupling property. To solve this problem, in this paper, an optimal decoupling control method is proposed, which can simultaneously provide optimal performance. The optimal decoupling controller is composed of an inner-loop decoupling controller and an outer-loop optimal tracking controller. First, by introducing one virtual control variable, the original differential equation on state is converted to a generalized system on output. Then, by introducing the other virtual control variable, and viewing the coupling terms as the measurable disturbances, the generalized system is open-loop decoupled. Finally, for the decoupled system,the optimal tracking control method is used. It is proved that the decoupling control is optimal for a certain performance index.Simulations on a ball mill coal-pulverizing system are conducted.The results show the effectiveness and superiority of the proposed method as compared with the conventional optimal quadratic tracking(LQT) control method. | Yue Fu Chengwen Hong Jingyi Li | 2018 | IEEE/CAA Journal of Automatica Sinica2018,5,6: | 2 |
| 13 | Improving Security and Sharing in Online Social Efficiency for Encrypted Data Networks显示文摘Despite that existing data sharing systems in online social networks(OSNs)propose to encrypt data before sharing,the multiparty access control of encrypted data has become a challenging issue.In this paper,we propose a secure data sharing scheme in OSNs based on ciphertext-policy attributebased proxy re-encryption and secret sharing.In order to protect users' sensitive data,our scheme allows users to customize access policies of their data and then outsource encrypted data to the OSNs service provider.Our scheme presents a multiparty access control model,which enables the disseminator to update the access policy of ciphertext if their attributes satisfy the existing access policy.Further,we present a partial decryption construction in which the computation overhead of user is largely reduced by delegating most of the decryption operations to the OSNs service provider.We also provide checkability on the results returned from the OSNs service provider to guarantee the correctness of partial decrypted ciphertext.Moreover,our scheme presents an efficient attribute revocation method that achieves both forward and backward secrecy.The security and performance analysis results indicate that the proposed scheme is secure and efficient in OSNs. | HUANG Qinlong | 2014 | China Communications2014,11,3: | 2 |
| 14 | Grading method of soybean mosaic disease based on hyperspectral imaging technology显示文摘Soybean is a crop with a long cultivation history that occupies an important position in agricultural production.Soybean mosaic virus disease(SMV)has caused a rapid decline in soybean yields,causing huge losses to the soybean industry,wherefrom its early detec-tion is particularly important.This study proposes a new classification method for the early SMV,dividing its severity into grades 0,1 and 2.In the case of a small number of experi-mental samples of soybeans,this study proposes a combined convolutional neural network and support vector machine(CNN-SVM)method for the early detection of SMV.Experimen-tal results showed that the accuracy of the training set of the CNN-SVM model reached 96.67%,and the accuracy rate of the test set reached 94.17%.The experiment proved the feasibility of using the proposed CNN-SVM model to classify early SMV under the new clas-sification method,and provided a new direction for early SMV detection based on hyper-spectral images. | Jiangsheng Gui Jingyi Fei Zixian Wu Xiaping Fu Alou Diakite | 2021 | Information Processing in Agriculture2021,8,3: | 1 |
| 15 | A potential antitumor ellagitannin, davidiin, inhibited hepatocellular tumor growth by targeting EZH2显示文摘 | Yan Wang Jingyi Ma Sheung Ching Chow Chi Han Li Zhangang Xiao Ru Feng Jie Fu Yangchao Chen | 2014 | Tumor Biology2014,,1: | 1 |
| 16 | Attribute Based DRM Scheme with Efficient Revocation in Cloud Computing显示文摘 | Qinlong Huang Zhaofeng Ma Jingyi Fu Xinxin Niu Yixian Yang | 2013 | Journal of Computers2013,,11: | 1 |
| 17 | Generalized quasi- vector variational inequalities in ordered vector spaces 显示文摘 | Fu jingyi | 1997 | Applied Functional Analysis1997,3,: | 1 |
| 18 | Climate Warming Mitigation from Nationally Determined Contributions显示文摘Individual countries are requested to submit nationally determined contributions(NDCs)to alleviate global warming in the Paris Agreement.However,the global climate effects and regional contributions are not explicitly considered in the countries’decision-making process.In this study,we evaluate the global temperature slowdown of the NDC scenario(ΔT=0.6°C)and attribute the global temperature slowdown to certain regions of the world with a compact earth system model.Considering reductions in CO_(2),CH_(4),N_(2)O,BC,and SO_(2),the R5OECD(the Organization for Economic Co-operation and Development in 1990)and R5ASIA(Asian countries)are the top two contributors to global warming mitigation,accounting for 39.3%and 36.8%,respectively.R5LAM(Latin America and the Caribbean)and R5MAF(the Middle East and Africa)followed behind,with contributions of 11.5%and 8.9%,respectively.The remaining 3.5%is attributed to R5REF(the Reforming Economies).Carbon Dioxide emission reduction is the decisive factor of regional contributions,but not the only one.Other greenhouse gases are also important,especially for R5MAF.The contribution of short-lived aerosols is small but significant,notably SO_(2)reduction in R5ASIA.We argue that additional species beyond CO_(2)need to be considered,including short-lived pollutants,when planning a route to mitigate climate change.It needs to be emphasized that there is still a gap to achieve the Paris Agreement 2-degree target with current NDC efforts,let alone the ambitious 1.5-degree target.All countries need to pursue stricter reduction policies for a more sustainable world. | Bo FU Jingyi LI Thomas GASSER Philippe CIAIS Shilong PIAO Shu TAO Guofeng SHEN Yuqin LAI Luchao HAN Bengang LI | 2022 | Advances in Atmospheric Sciences2022,39,8: | 1 |
| 19 | Co-thermal in-situ reduction of inorganic carbonates to reduce carbon-dioxide emission显示文摘Thermal decomposition of inorganic metal carbonates is the main path to prepare metal oxides;nonetheless,it is always accompanied by the emission of large amounts of CO_(2) as one of the gas products.This study reports a concept of co-thermal insitu reduction of inorganic carbonates by using the energy released by carbonate decomposition under pure hydrogen atmosphere,which reduces the decarboxylation temperature and significantly inhibits the CO_(2) emissions.A combination of hydrogen–deuterium exchange,isotope experiment,and density functional theory calculations demonstrates that the CO results from the selective cleavage of Ca–O bonds at the surface of CaCO_(3) via the direct hydrogenation mechanism at relatively low temperature.However,it undergoes the reverse water–gas shift reaction path at high temperature,i.e.,CO being produced by the reduction of CO_(2) released by the decomposition of carbonates.This study sheds light on the potential of green hydrogen technology for inorganic carbonate valorization toward high value-added products,which can facilitate the large-scale industrial applications. | Zhen Xue Jingyi Guo Shasha Wu Wenfu Xie Yujing Fu Xiaojie Zhao Kui Fan Ming Xu Hong Yan Mingfei Shao Xue Duan | 2023 | Science China Chemistry2023,66,4: | 0 |
| 20 | Air Pollution Health Impact Monitoring and Health Risk Assessment Technology and Its Application-China,2006-2019显示文摘Air pollution is a significant risk factor contributing to the burden of disease in China.Health risk assessment and management are important to reduce the impact of air pollution on public health.To help formulate standardized health risk assessment techniques,a series of studies were conducted from 2006 to 2019.Through systematic review,study of molecular mechanisms,epidemiological investigation,and health effect monitoring,the overall project established a monitoring and evaluation indicator system,a comprehensive information platform,software for automatic data cleaning,and standardized health risk assessment techniques.Technical specifications have been issued by the National Health Commission for promoting health risk assessments across China.This paper introduces the project,the research approach,its main research accomplishments,innovations,and public health significance,and describes directions for further research. | Jingxiu Han Dongqun Xu Donggang Xu Xu Yang Qin Wang Mingqing Chen Wenrong Xia Weiwei Xing Chunyu Xu Yue Liu Junrui Chang Wenliang Fu Shuxin Hao Na Li Xiaoyan Dong Yunpu Li Congshen Meng Jingyi Liu | 2022 | China CDC weekly2022,4,26: | 0 |