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| 1 | Epidemiology of urolithiasis in Asia显示文摘In Asia,about 1%-19.1% of the population suffer fromurolithiasis.However,due to variations in socio-economic status and geographic locations,the prevalence and incidence have changed in different countries or regions over the years.The research for risk factors of urinary tract stones is of predominant importance.In this review,we find the prevalence of urolithiasis is 5%-19.1% in West Asia,Southeast Asia,South Asia,aswellas somedevelopedcountries(SouthKorea and Japan),whereas,it is only 1%e8%inmost part of East Asia and North Asia.The recurrence rate ranges from 21% to 53% after 3e5 years.Calciumoxalate(75%-90%)is themost frequent component of calculi,followed by uric acid(5%-20%),calciumphosphate(6%-13%),struvite(2%-15%),apatite(1%)and cystine(0.5%-1%).The incidence of urolithiasis reaches its peak in population agedover 30 years.Males aremore likely to suffer fromurinary calculi.Because of different dietary habits or genetic background,differences of prevalence among races or nationalities also exist.Geneticmutation of specific locus may contribute to the formation of different kinds of calculi.Dietary habits(westernized dietary habits and less fluid intake),as well as climatic factors(hot temperature andmany hours of exposure to sunshine)play a crucial role in the development of stones.Other diseases,especially metabolic syndrome,may also contribute to urinary tract stones. | Yu Liu Yuntian Chen Banghua Liao Deyi Luo Kunjie Wang Hong Li Guohua Zeng | 2018 | Asian Journal of Urology2018，5，4： | 24 |
| 2 | Protectin D1 promotes resolution of inflammation in a murine model of lipopolysaccharide-induced acute lung injury via enhancing neutrophil apoptosis显示文摘 | Li Xingwang Li Chunlai Liang Wandong Bi Yuntian Chen Maohua Dong Sheng | 2014 | Chinese Medical Journal2014，，5： | 6 |
| 3 | Comparative transcriptome analysis uncovers the regulatory functions of long noncoding RNAs in fruit development and color changes of Fragaria pentaphylla显示文摘To investigate the molecular mechanism underlying fruit development and color change,comparative transcriptome analysis was employed to generate transcriptome profiles of two typical wild varieties of Fragaria pentaphylla at three fruit developmental stages(green fruit stage,turning stage,and ripe fruit stage).We identified 25,699 long noncoding RNAs(lncRNAs)derived from 25,107 loci in the F.pentaphylla fruit transcriptome,which showed distinct stage-and genotype-specific expression patterns.Time course analysis detected a large number of differentially expressed protein-coding genes and lncRNAs associated with fruit development and ripening in both of the F.pentaphylla varieties.The target genes downregulated in the late stages were enriched in terms of photosynthesis and cell wall organization or biogenesis,suggesting that lncRNAs may act as negative regulators to suppress photosynthesis and cell wall organization or biogenesis during fruit development and ripening of F.pentaphylla.Pairwise comparisons of two varieties at three developmental stages identified 365 differentially expressed lncRNAs in total.Functional annotation of target genes suggested that lncRNAs in F.pentaphylla may play roles in fruit color formation by regulating the expression of structural genes or regulatory factors.Construction of the regulatory network further revealed that the low expression of Fra a and CHS may be the main cause of colorless fruit in F.pentaphylla. | Lijun Bai Qing Chen Leiyu Jiang Yuanxiu Lin Yuntian Ye Peng Liu Xiaorong Wang Haoru Tang | 2019 | Horticulture Research2019，6，1： | 5 |
| 4 | Benthic macro red alga:A new possible bio-precursor of Jurassic mudstone source rocks in the northern Qaidam Basin,northwestern China显示文摘Whether benthic macroalga can be an important type of bio-precursor of source rocks is a contentious issue in source-rock studies,and has not been well understood.This paper represents a case study of Jurassic mudstone source rocks from the northern Qaidam Basin,northwestern China,in which the benthic macro red algae were recognized for the first time based on combined organic petrological and biomarker works.We found not only cystocarps in the algae,representative of rhodophyta,but also diahopanes,which are diagnostic biomarkers of such algae.Thus,as many reservoired oils in the northern Qaidam Basin contain abundant diahopanes,it may indicate that the red algae have contributed to hydrocarbon accumulation.This was confirmed by integrated geological and geochemical analyses.Hence,this study provides new evidence for macroalga-generated hydrocarbons. | CAO Jian BIAN LiZeng HU Kai LIU YunTian WANG LiQun YANG ShaoYong CHEN Yan PENG XiaoQun | 2009 | Science China Earth Sciences2009，52，5： | 5 |
| 5 | Effect of texture on deformation behavior of heterogeneous Mg-13Gd alloy with strength-ductility synergy显示文摘Heterostructure metals as a new class of materials can effectively break the traditional strength–ductility trade-off dilemma. In this study, the extruded sheet with the small extrusion ratio(ER) of 3.9(ER3.9)presented a heterogeneous lamella structure(HLS) and texture, where the fine dynamical recrystallized(DRXed) grains formed a random texture and coarse un-DRXed grains exhibited a strong basal texture.The ER3.9 sample presented an excellent combination of strength and ductility. The texture strengthening in coarse grains and hetero-deformation induced(HDI) strengthening contributed to the enhanced strength of the ER3.9 sample besides grain refinement. The improving ductility mainly stems from the weakened texture in fine grains. Interestingly, in coarse grains, the strong basal texture, the occurrence of cross slip, low stacking fault energy(SFE), and dislocation pinned by precipitates weaken the HDI hardening effect. While the traditional dislocation hardening mainly generated by fine grains dominates overall strain hardening. Meanwhile, the activation of non-basal slips, especially pyramidal slip,and the generation of cross slips in fine grains benefit for coordinating plastic deformation. The ability for coordinate plastic deformation in fine grains is higher than that of coarse grains, which was confirmed by the digital image correlation technology. This work will promote the development of the heterogeneous theory in textured Mg alloys. | Shuaishuai Liu Han Liu Xiang Chen Guangsheng Huang Qin Zou Aitao Tang Bin Jiang Yuntian Zhu Fusheng Pan | 2022 | Journal of Materials Science & Technology2022，，18： | 3 |
| 6 | Hidden-symmetry-enforced nexus points of nodal lines in layer-stacked dielectric photonic crystals显示文摘It was recently demonstrated that the connectivities of bands emerging from zero frequency in dielectric photonic crystals are distinct from their electronic counterparts with the same space groups.We discover that in an AB-layerstacked photonic crystal composed of anisotropic dielectrics,the unique photonic band connectivity leads to a new kind of symmetry-enforced triply degenerate points at the nexuses of two nodal rings and a Kramers-like nodal line.The emergence and intersection of the line nodes are guaranteed by a generalized 1/4-period screw rotation symmetry of Maxwell’s equations.The bands with a constant kz and iso-frequency surfaces near a nexus point both disperse as a spin-1 Dirac-like cone,giving rise to exotic transport features of light at the nexus point.We show that spin-1 conical diffraction occurs at the nexus point,which can be used to manipulate the charges of optical vortices.Our work reveals that Maxwell’s equations can have hidden symmetries induced by the fractional periodicity of the material tensor components and hence paves the way to finding novel topological nodal structures unique to photonic systems. | Zhongfei Xiong Ruo-Yang Zhang Rui Yu C.T.Chan Yuntian Chen | 2020 | Light(Science & Applications)2020，9，1： | 3 |
| 7 | In-plane coherent control of plasmon resonances for plasmonic switching and encoding显示文摘Considerable attention has been paid recently to coherent control of plasmon resonances in metadevices for potential applications in all-optical light-with-light signal modulation and image processing.Previous reports based on out-ofplane coherent control of plasmon resonances were established by modulating the position of a metadevice in standing waves.Here we show that destructive and constructive absorption can be realized in metallic nano-antennas through in-plane coherent control of plasmon resonances,which is determined by the distribution rule of electricalfield components of nano-antennas.We provide proof-of-principle demonstrations of plasmonic switching effects in a gold nanodisk monomer and dimer,and propose a plasmonic encoding strategy in a gold nanodisk chain.In-plane coherent control of plasmon resonances may open a new avenue toward promising applications in optical spectral enhancement,imaging,nanolasing,and optical communication in nanocircuits. | Liyong Jiang Tingting Yin Alexander M.Dubrovkin Zhaogang Dong Yuntian Chen Weijin Chen Joel K.W.Yang Zexiang Shen | 2019 | Light(Science & Applications)2019，8，1： | 2 |
| 8 | Finite element modeling of electromagnetic properties in photonic bianisotropic structures显示文摘Given a constitutive relation of the bianisotropic medium,it is not trivial to study how light interacts with the photonic bianisotropic structure due to the limited available means of studying electromagnetic properties in bianisotropic media.In this paper,we study the electromagnetic properties of photonic bianisotropic structures using the finite element method.We prove that the vector wave equation with the presence of bianisotropic is self-adjoint under scalar inner product,we propose a balanced formulation of weak form in the practical implementation,which outperforms the standard formulation in finite element modeling.Furthermore,we benchmark our numerical results obtained from finite element simulation in three different scenarios.These are bianisotropy-dependent reflection and transmission of plane waves incident onto a bianisotropic slab,band structure of bianisotropic photonic crystals with valley-dependent phenomena,and the modal properties of bianisotropic ring resonators.The first two simulated results obtained from our modified weak form yield excellent agreements either with theoretical predictions or available data from the literature,and the modal properties in the last example,i.e.,bianisotropic ring resonators as a polarization-dependent optical insulator,are also consistent with the theoretical analyses. | Zhongfei XIONG Weijin CHEN Zhuoran WANG Jing XU Yuntian CHEN | 2021 | Frontiers of Optoelectronics2021，14，2： | 2 |
| 9 | Effect of interstitial carbon and nitrogen on corrosion of FeCoCrNi multi-principal element alloys made by selective laser melting显示文摘The corrosion behaviors of selective laser melted(SLMed)FeCoCrNi multi-principal element alloys(MPEAs)with carbon or nitrogen addition in 0.5 M H_(2)SO_(4) solution were investigated.Both C and N ad-dition refined the grains and introduced a heterogeneous structure in SLMed FeCoCrNi MPEA,but they had opposite effects on the corrosion behavior.The doped carbon participated as nano-sized carbides in SLMed MPEA,and localized galvanic corrosion occurred,degrading the corrosion resistance.The doped nitrogen was gathered with chromium and formed CrN chemical clusters in SLMed MPEA,and a protec-tive passive film with a higher Cr_(2)O_(3)/Cr(OH)_(3) ratio formed,which improved corrosion resistance. | Wenyu Chen Rui Zhou Wanpeng Li Yen-Hsiang Chen Tzu-Hsiu Chou Xu Wang Yong Liu Yuntian Zhu J.C.Huang | 2023 | Journal of Materials Science & Technology2023，，17： | 2 |
| 10 | Feature extraction and selection for defect classification of pulsed eddy current NDT显示文摘 | Tianlu Chen Gui YunTian Ali Sophian | 2008 | NDT&E International2008，41，6： | 1 |
| 11 | Feature extraction and Selection for defect classification of pulsed eddy current NDT 显示文摘 | Tianlu Chen Gui YunTian Ali Sophian Pei Wen Que | 2008 | NDT&EInternational2008，，48： | 1 |
| 12 | Scintillation index of elliptical Gaussian beam in turbulent atmosphere显示文摘 | Cai Yangjian Chen Yuntian Eyyuboglu H T | 2007 | Opt Lett2007，32，16： | 1 |
| 13 | Synthetic well logs generation via Recurrent Neural Networks显示文摘To supplement missing logging information without increasing economic cost, a machine learning method to generate synthetic well logs from the existing log data was presented, and the experimental verification and application effect analysis were carried out. Since the traditional Fully Connected Neural Network(FCNN) is incapable of preserving spatial dependency, the Long Short-Term Memory(LSTM) network, which is a kind of Recurrent Neural Network(RNN), was utilized to establish a method for log reconstruction. By this method, synthetic logs can be generated from series of input log data with consideration of variation trend and context information with depth. Besides, a cascaded LSTM was proposed by combining the standard LSTM with a cascade system. Testing through real well log data shows that: the results from the LSTM are of higher accuracy than the traditional FCNN; the cascaded LSTM is more suitable for the problem with multiple series data; the machine learning method proposed provides an accurate and cost effective way for synthetic well log generation. | ZHANG Dongxiao CHEN Yuntian MENG Jin | 2018 | Petroleum Exploration and Development2018，45，4： | 1 |
| 14 | Feature extraction and selection for defect classification of pulsed eddy current NDT显示文摘 | Tianlu Chen Gui YunTian Ali Sophian | 2008 | NDT & E International2008，41，6： | 1 |
| 15 | Physics-constrained indirect supervised learning显示文摘This study proposes a supervised learning method that does not rely on labels.We use variables associated with the label as indirect labels,and construct an indirect physics-constrained loss based on the physical mechanism to train the model.In the training process,the model prediction is mapped to the space of value that conforms to the physical mechanism through the projection matrix,and then the model is trained based on the indirect labels.The final prediction result of the model conforms to the physical mechanism between indirect label and label,and also meets the constraints of the indirect label.The present study also develops projection matrix normalization and prediction covariance analysis to ensure that the model can be fully trained.Finally,the effect of the physics-constrained indirect supervised learning is verified based on a well log generation problem. | Yuntian Chen Dongxiao Zhang | 2020 | Theoretical & Applied Mechanics Letters2020，10，3： | 1 |
| 16 | 乳腺癌前哨淋巴结微小转移的检测(英文)显示文摘Objective: To study the best examination method of micrometastases in sentinel lymph node (SLN) of breast cancer and study the related factors with micrometastases. Methods: By step serial sectioning technique and immunohisto- chemistry, 121 SLNs and 44 tumors of 59 cases were examined. Results: Micrometastases was found in 17 SLNs (14%) of 14 (24%) cases. The more sections or examination methods, the more micrometastases were found. Micrometastases was related with the tumor size and the expression of c-erbB2, MMP-2 and VEGF. Conclusion: The best examination method is making sections at two levels with 100 μm interval and combination of HE staining and muc1 immunohistochemistry. We can get the excellent detection/cost by this method. Micrometastases is a bad prognostic factor. | Tao Zhang Baoning Zhang Baoping Chen Xiliang Wei Hongtu Zhang Yuntian Sun | 2007 | The Chinese-German Journal of Clinical Oncology2007，6，6： | 1 |
| 17 | General coupled-mode analysis of a geometrically symmetric waveguide array with nonuniform gain and loss显示文摘The exceptional point(EP)is one of the typical properties of parity–time-symmetric systems,arising from modes coupling with identical resonant frequencies or propagation constants in optics.Here we show that in addition to two different modes coupling,a nonuniform distribution of gain and loss leads to an offset from the original propagation constants,including both real and imaginary parts,resulting in the absence of EP.These behaviors are examined by the general coupled-mode theory from the first principle of the Maxwell equations,which yields results that are more accurate than those from the classical coupled-mode theory.Numerical verification via the finite element method is provided.In the end,we present an approach to achieve lossless propagation in a geometrically symmetric waveguide array. | ZHEN-ZHEN LIU QIANG ZHANG YUNTIAN CHEN JUN-JUN XIAO | 2017 | Photonics Research2017，5，2： | 1 |
| 18 | Multi-strategies Boosted Mutative Crow Search Algorithm for Global Tasks:Cases of Continuous and Discrete Optimization显示文摘Crow Search Algorithm(CSA)is a swarm-based single-objective optimizer proposed in recent years,which tried to inspire the behavior of crows that hide foods in different locations and retrieve them when needed.The original version of the CSA has simple parameters and moderate performance.However,it often tends to converge slowly or get stuck in a locally optimal region due to a missed harmonizing strategy during the exploitation and exploration phases.Therefore,strategies of mutation and crisscross are combined into CSA(CCMSCSA)in this paper to improve the performance and provide an efficient optimizer for various optimization problems.To verify the superiority of CCMSCSA,a set of comparisons has been performed reasonably with some well-established metaheuristics and advanced metaheuristics on 15 benchmark functions.The experimental results expose and verify that the proposed CCMSCSA has meaningfully improved the convergence speed and the ability to jump out of the local optimum.In addition,the scalability of CCMSCSA is analyzed,and the algorithm is applied to several engineering problems in a constrained space and feature selection problems.Experimental results show that the scalability of CCMSCSA has been significantly improved and can find better solutions than its competitors when dealing with combinatorial optimization problems.The proposed CCMSCSA performs well in almost all experimental results.Therefore,we hope the researchers can see it as an effective method for solving constrained and unconstrained optimization problems. | Weifeng Shan Hanyu Hu Zhennao Cai Huiling Chen Haijun Liu Maofa Wang Yuntian Teng | 2022 | Journal of Bionic Engineering2022，19，6： | 1 |
| 19 | Chemical composition and biological activities of volatile oil isolated from Curcumae rhizoma显示文摘Curcumae rhizoma(C.rhizoma),the rhizome of Curcuma Longa L.,Curcuma kwangsiensis L.and Curcuma wenyujin L.in the ginger family,is a treasure in traditional Chinese medicine.It has the effect of promoting qi and breaking blood,eliminating accumulation and relieving pain.With the development of modern medicine,the active ingredients and therapeutic mechanism of C.rhizoma have been gradually revealed.In this paper,the chemical composition and biological activities of volatile oil isolated from C.rhizoma are reviewed in detail,aiming to provide reference for further utilization of C.rhizoma volatile oil and provide more effective drug options for clinical treatment. | Wenhan Wang Yibo Wang Yuntian Xing Xinyao Wang Guanyi Zhao Yu Chen | 2023 | Asian Journal of Traditional Medicines2023，18，6： | 0 |
| 20 | Multi-objective vehicle rebalancing for ridehailing system using a reinforcement learning approach显示文摘The problem of designing a rebalancing algorithm for a large-scale ridehailing system with asymmetric(unbalanced)demand is considered here.We pose the rebalancing problem within a semi Markov decision problem(SMDP)framework with closed queues of vehicles serving stationary,but asymmetric demand,over a large city with multiple stations(representing neighborhoods).We assume that the passengers queue up at every station until they are matched with a vehicle.The goal of the SMDP is to minimize a convex combination of the waiting time of the passengers and the total empty vehicle miles traveled.The resulting SMDP appears to be difficult to solve yielding closed-form expression for the optimal rebalancing strategy.Consequently,we use a deep reinforcement learning algorithm to determine the approximately optimal solution to the SMDP.We show through extensive Monte Carlo simulations that the trained policy outperforms other well-known state-dependent rebalancing strategies. | Yuntian Deng Hao Chen Shiping Shao Jiacheng Tang Jianzong Pi Abhishek Gupta | 2022 | Journal of Management Science and Engineering2022，7，2： | 0 |
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