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| 1 | Exome sequencing confirms molecular diagnoses in 38 Chinese families with hereditary spherocytosis显示文摘Hereditary spherocytosis(HS), the most common cause of congenital hemolytic anemia, is caused by deficiency of the erythrocyte membrane proteins. Five causative genes(ANK1, SPTB, SPTA1, SLC4 A1, and EPB42) have been identified. To date,molecular genetic studies have been performed in different populations, including the American, European, Brazilian, Japanese and Korean populations, whereas only a few studies have been described in the Chinese population. Here, by reanalysis of the exome data, we revealed causative mutations and established a definitive diagnosis of HS in all 38 Chinese families. We found 34 novel mutations and four reported mutations in three known HS-causing genes—17 in ANK1, 17 in SPTB and four in SLC4 A1,suggesting that ANK1 and SPTB are the major genes in Chinese patients with HS. All of the ANK1 or SPTB mutations, scattered throughout the entire genes, are non-recurrent; and most of them are null mutations, which might cause HS via a haploinsufficiency mechanism. De novo mutations in ANK1 or SPTB often occur with an unexpected high frequency(87.5% and64.2%, respectively). Our study updates our knowledge about the genetic profile of HS in Chinese and shows that family-based,especially parent-offspring trio, sequencing analysis can help to increase the diagnostic power and improve diagnostic efficiency. | Rongrong Wang Shuanghao Yang Ming Xu Jia Huang Hongyan Liu Weiyue Gu Xue Zhang | 2018 | Science China(Life Sciences)2018，61，8： | 22 |
| 2 | Trends in particulate matter and its chemical compositions in China from 2013–2017显示文摘Accurate determination of the atmospheric particulate matter mass concentration and chemical composition is helpful in exploring the causes and sources of atmospheric enthalpy pollution and in evaluating the rationality of environmental air quality control strategies.Based on the sampling and chemical composition data of PM2.5 in different key regions of China in the CARE-China observation network,this research analyzes the environmental air quality data released by the China National Environmental Monitoring Centre during the studied period to determine the changes in the particulate matter mass concentration in key regions and the evolution of the corresponding chemical compositions during the implementation of the Action Plan for Prevention and Control of Air Pollution from 2013-2017.The results show the following.(1)The particulate matter mass concentration in China showed a significant downward trend;however,the PM2.5 annual mass concentration in 64%of cities exceeds the New Chinese Ambient Air Quality Standard(CAAQS)GradeⅡ(GB3095-2012).The region to the east of the Taihang Mountains,the Fenhe and Weihe River Plain and the Urumqi-Changji regions in Xinjiang,all have PM2.5 concentration loading that is still high,and heavy haze pollution occurred frequently in the autumn and winter.(2)During the heavy pollution in the autumn and winter,the concentrations of sulfate and organic components decreased significantly.The mean SO42-concentration in PM2.5 decreased by 76%,12%,81%and 38%in Beijing-Tianjin-Hebei(BTH),the Pearl River Delta(PRD),the Sichuan-Chongqing region(SC)and the Fenhe and Weihe River Plain,respectively.The mean organic matter(OM)concentration decreased by 70%,44%,48%and 31%,respectively,and the mean concentration of NH4+decreased by 68%,1.6%,38%and 25%,respectively.The mean elemental carbon(EC)concentration decreased by 84%and 20%in BTH and SC,respectively,and it increased by 61%and 11%in the PRD and Fenhe and Weihe River Plain,respectively.The mean concentration of mineral and unresolved chemical components(MI)dropped by 70%,24%and 13%in BTH,the PRD and the Fenhe and Weihe River Plain,respectively.The change in the PM2.5 chemical composition is consistent with the decrease of the PM2.5mass concentration.(3)In 2015,the mean OM concentration contributions to fine particles and coarse particles were 13-46%and 46-57%,respectively,and the mean MI concentration contributions to fine particles and coarse and particles were 31-60%and 39-73%,respectively;these values are lower than the 2013 values from the key regions,which is the most important factor behind the decrease of the particulate matter mass concentration.From 2013 to 2015,among the chemical components of different particle size fractions,the peak value of the coarse particle size fraction decreased significantly,and the fine particle size fractions of SO42-,NO3-,and NH4+decreased with the decrease of the particulate matter mass concentration in different particle size fractions.The fine-particle size peaks of SO42-,NO3-and NH4+shifted from 0.65-1.1μm to the finer size range of0.43-0.65μm during the same time frame. | Yuesi WANG Wenjie LI Wenkang GAO Zirui LIU Shili TIAN Rongrong SHEN Dongsheng JI Shuai WANG Lili WANG Guiqian TANG Tao SONG Mengtian CHENG Gehui WANG Zhengyu GONG Jiming HAO Yuanhang ZHANG | 2019 | Science China Earth Sciences2019，62，12： | 23 |
| 3 | Size,composition,and mixing state of individual aerosol particles in a South China coastal city显示文摘Aerosol samples were collected in summer in Macao,a coastal city of the Pearl River Delta Region in China.Morphology,size,elemental composition,and mixing state of individual aerosol particles were determined by scanning electron microscopy coupled energy dispersive X-ray(SEM/EDX) and transmission electron microscopy(TEM).Based on the morphologies of 5711 aerosol particles,they consist of soot(32%),mineral(17%),secondary(22%),and unknown fine particles(29%).The sizes of these particles were mostly distributed between 0.1 and 0.4 μm.Compositions of 202 mineral particles were obtained by SEM/EDX.Mineral particles were mainly classified into three types:Si-rich,Ca-rich,and Na-rich.The compositions of typical mineral particles can indicate their sources in sampling location.For example,mineral particles,collected along the main street,were associated with trace amounts of heavy metals,such as Zn,Ti,Mn,Ba,Pb,and As.TEM observations indicate that most Na-rich particles were aged sea salt particles(e.g.,Na2SO4 and NaNO3) which formed through heterogeneous chemical reactions between sea salt and acidic gases.Additionally,aging time of soot was short in Macao due to high humidity,high temperature,and high levels of sunlight in Macao.Most of soot and fine mineral dust particles were internally mixed with secondary particles. | Weijun Li Longyi Shao Zhishi Wang Rongrong Shen Shusheng Yang Uwa Tang | 2010 | Journal of Environmental Sciences2010，22，4： | 21 |
| 4 | Petrogenesis of Indosinian Granitoids in Middle-Segment of South Qinling Tectonic Belt:Constraints from Sr-Nd Isotopic Systematics显示文摘南方 Qinling 构造的带(SQTB ) 在 Shangzhou-Danfeng 和 Mianxian-Lueyang 缝术之间被定位。在它的中间的片断有很多早中生代 granitoid plutons,包括在在西南的东北,在中央部分的 Huayang-Wulong-Laocheng granitoid plutons,在西北的 Xiba granitoid pluton 和 Guangtoushan-Liuba granitoid plutons 的 Dongjiangkou-Zhashui granitoid plutons。这些 Indonisian granitoids 包含各种各样的规模 mafic 被外国领地包围的土地的一个团,它与他们的主人 granitoids 显示出有时清楚的边界和有时过渡的边界。这些 granitoids 也从 low-K tholeiite 系列展出 metaluminous 到 peraluminous 系列,通常更高的 Mg# 和大量石油化学,通过 mid-K 和 high-K,到 shoshonite 系列的计算碱的系列和支配的样品被归因于 mid-K 和 high-K 计算碱的系列。在 Sr-Nd 同位素的 systematics 和石油化学的详细分析表明可以有 Indonisian granitoid plutons 的地区性起始的 granitoid 岩浆,包括 Dongjiangkou-Zhashui , Huayang-Wulong-Laocheng , Xiba ,和 Guangtoushan-Liuba granitoid plutons ,它被岩浆的混血儿在各种各样的度生产,并且起始的岩浆在 SQTB 从披风和更低的大陆人外壳( LCC )来源被导出。起始的 granitoid 岩浆进一步在他们的炮兵阵地期间与上面的外壳的材料从 LCC,结晶化分别,和吸收做了与岩浆混合的岩浆在 SQTB 生产这些 granitoid plutons。这些 magmatism 过程是最可能的发生在大陆下面边缘的弧和 syn 碰撞到碰撞以后的构造背景。 | LIU Shuwen LI Qiugen TIAN Wei WANG Zongqi YANG Pengtao WANG Wei BAI Xiang GUO Rongrong | 2011 | Acta Geologica Sinica(English Edition)2011，85，3： | 20 |
| 5 | miR-218 suppresses the metastasis and EMT of HCC cells via tar qeting SERBP1显示文摘Hepatocellular 癌(HCC ) 是世界范围的癌症相关的死亡的领先的原因。尽管为对待 HCC 的许多努力被作了,幸存率仍然保持未得到满足。积累的证据显示 microRNA-218 (miR-218 ) 作为肿瘤 suppressor 工作并且在人的癌症的某些类型在象肿瘤开始,开发,和转移那样的许多生物进程包含。然而,潜在的功能和在 HCC 的 miR-218 的内在的分子的机制尚待被阐明。自从 HCC,是基因疾病,探索致病原因的机制,集成为为 HCC 的新奇治疗目标的发现是必要的。因此,现在的学习的目的是在临床的 HCC 纸巾和 HCC 房间调查 miR-218 的反常表达式水平,并且在 HCC 评估它的函数和内在的机制。我们的结果表明那 miR-218 表情是显著地,在 HCC 纸巾和房间的 downregulated 排队。Gain-of-function 和 loss-of-function 试金显示在 HCC 房间的 miR-218 的那强迫的表情禁止了房间迁居 / 侵略并且颠倒了上皮间充质的转变(EMT ) 到间充质上皮的转变(相遇) ,当 miR-218 的删除支持了房间迁居 / 侵略并且贡献了 EMT 显型形成时。生物信息学分析和酶记者试金证实(SERBP1 ) serpine mRNA 绑定蛋白质 1 是 miR-218 的目标基因,营救试金进一步证实了在 HCC 涉及 miR-218 的函数的那 SERBP1。所有这些结果建议 miR-218/SERBP1 信号小径能禁止恶意的显型形成并且指向这条小径可以是为 HCC 治疗学的一个潜在的新奇方法。 | Ting Wang Ling Xu Rongrong Jia Jue Wei | 2017 | Acta Biochimica et Biophysica Sinica2017，49，5： | 17 |
| 6 | Comparative biomechanical study of reversed less invasive stabilization system and proximal femoral nail antirotation for unstable intertrochanteric fractures显示文摘 | Chen Ying Liu Shouyao Lin Peng Wang Yunting Wang Jinhui Tao Jianfeng Cai Rongrong | 2014 | Chinese Medical Journal2014，，23： | 13 |
| 7 | Fe/Fe2O3 nanoparticles anchored on Fe-N-doped carbon nanosheets as bifunctional oxygen electrocatalysts for rechargeable zinc-air batteries显示文摘有高催化的活动和稳定性玩的 Electrocatalysts 在有希望的可更新的精力技术的一个关键角色,例如燃料房间和金属空气电池。这里,我们报导 Fe/Fe 2 O 3 nanoparticles 在 Fe-N-doped 碳 nanosheets 上抛锚了(Fe/Fe 2 导出壳的做 N 的碳 nanodots 由一条简单热分解途径面对 FeCl 3 作为碳和氮采购的 O 3@Fe-N-C) 使用虾。Fe/Fe 2 O 3@Fe-N-C 在 1,000 的热分解温度获得了 ??????????? ″ ? 猼灵资 ? ??( ?? | Yipeng Zang Haimin Zhang Xian Zhang Rongrong Liu Shengwen Liu Guozhong Wang Yunxia Zhang Huijun Zhao | 2016 | Nano Research2016，9，7： | 10 |
| 8 | The synergistic effect of resveratrol in combination with cisplatin on apoptosis via modulating autophagy in A549 cells显示文摘几研究证明了有自然产品和化疗代理人的联合治疗能改进化疗代理人的 sensitivityand cytotoxicity。Resveratrol,一个自然产品,包括 antitumor andantiviral 活动,以及脉管的保护的效果有许多生物效果。这研究的目的是与 cisplatin 和涉及 A549 房间的潜在的 anticancer 机制在联合调查 resveratrol 的 synergistic anticancereffect。从数 Kit-8 和 isobolographic 分析的房间的 resultsobtained 表明了 resveratrol 和 cisplatin resultedin synergistic 的那联合在 A549 房间的细胞毒素的效果。从染色的 Hoechst 的结果,流动 cytometry 和西方的污点分析 suggestedthat resveratrol 提高了调停 cisplatin 的 apoptosis。同时, LC3-II 和 P62 层次和在有 cisplatin 的联合的 resveratrol 触发了的 autophagosomesuggested 的形成的变化 autophagy。更重要地,由 3-methyladeninemarkedly 禁止 autophagy 稀释了 resveratrol 和 cisplatin 的联合在 A549 房间引起的 apoptosis。一起拿,我们的 studyprovides resveratrol synergistically 与 cisplatin 相结合的第一条证据在 A549 房间经由 modulating autophagiccell 死亡导致 apoptosis。这些调查结果也帮助我们在肺癌症与 chemotherapyagents 在联合理解自然产品的角色。 | Song Hu Xiaolin Li Rongrong Xu Lingyun Ye Hui Kong Xiaoning Zeng Hong Wang Weiping Xie | 2016 | Acta Biochimica et Biophysica Sinica2016，48，6： | 9 |
| 9 | Plane-Wave Least-Squares Reverse Time Migration for Rugged Topography显示文摘We present a method based on least-squares reverse time migration with plane-wave encoding(P-LSRTM) for rugged topography.Instead of modifying the wave field before migration,we modify the plane-wave encoding function and fill constant velocity to the area above rugged topography in the model so that P-LSRTM can be directly performed from rugged surface in the way same to shot domain reverse time migration.In order to improve efficiency and reduce I/O(input/output) cost,the dynamic encoding strategy and hybrid encoding strategy are implemented.Numerical test on SEG rugged topography model show that P-LSRTM can suppress migration artifacts in the migration image,and compensate amplitude in the middle-deep part efficiently.Without data correction,P-LSRTM can produce a satisfying image of near-surface if we could get an accurate near-surface velocity model.Moreover,the pre-stack PLSRTM is more robust than conventional RTM in the presence of migration velocity errors. | Jianping Huang Chuang Li Rongrong Wang Qingyang Li | 2015 | Journal of Earth Science2015，26，4： | 6 |
| 10 | Real-time pressure mapping smart insole system based on a controllable vertical pore dielectric layer显示文摘Real-time monitoring of plantar pressure has significant applications in wearable biosensors,sports injury detection,and early diagnostics.Herein,an all-in-one insole composed of 24 capacitive pressure sensors(CPSs)with vertical pores in an elastic dielectric layer is fabricated by laser cutting.Optimized CPSs with a hexagonal configuration and a pore size of 600μm possess good linearity over a wide detection range of 0–200 kPa with a sensitivity of 12×10^(–3) kPa−1.Then,a smart system including the all-in-one insole with the 24 CPS array,a data acquisition system with a wireless transmitter and a PC terminal with a wireless receiver is established for real-time monitoring to realize static and dynamic plantar pressure mapping.Based on this smart insole system,various standing and yoga postures can be distinguished,and variations in the center of gravity during walking can be recognized.This intelligent insole system provides great feasible supervision for health surveillance,injury prevention,and athlete training. | Juan Tao Ming Dong Li Li Chunfeng Wang Jing Li Yue Liu Rongrong Bao Caofeng Pan | 2020 | Microsystems & Nanoengineering2020，6，1： | 6 |
| 11 | The protection effect of β-CD on DNA damage induced by ultrafine TiO_2显示文摘Under the photocatalysis of 365 nm ultraviolet radiation,ultrafine TiO2 caused the oxidative damage of Teasy plasmid DNA. The damage was determined by gel-electrophoresis. Then,a different dose of β-CD was added to the reaction,and the damage was restrained. The rate of damage restraining reached 97% when the mass of β-CD was 4 times as that of TiO2. Through UV scan and IR spectroscopy,it was found that the Ti-O of ultrafine TiO2 was bound with -OH of β-CD cavum and the -OH on the surface of ultrafine TiO2 disappeared,so the formation of ?OH was controlled. The ultrafine TiO2 has been widely used,but it was determined to be carcinogenic by some research. The protection effect of β-CD to DNA in the molecular level takes a new look on the surface modification of nano particles to decrease the toxic effect. | ZHU RongRong,WANG ShiLong,SUN XiaoYu,ZHANG Rui & YAO SiDe School of Life Science and Technology,Tongji University,Shanghai 200092,China | 2007 | Science China Chemistry2007，50，2： | 5 |
| 12 | The relationships of vitamin D, vitamin D receptor gene polymorphisms, and vitamin D supplementation with Parkinson's disease显示文摘In recent years,many studies have investigated the correlations between Parkinson's disease(PD)and vitamin D status,but the conclusion remains elusive.The present review focuses on the associations between PD and serum vitamin D levels by reviewing studies on the associations of PD with serum vitamin D levels and vitamin D receptor(VDR)gene polymorphisms from PubMed,Web of Science,Cochrane Library,and Embase databases.We found that PD patients have lower vitamin D levels than healthy controls and that the vitamin D concentrations are negatively correlated with PD risk and severity.Furthermore,higher vitamin D concentrations are linked to better cognitive function and mood in PD patients.Findings on the relationship between VDR gene polymorphisms and the risk of PD are inconsistent,but the Fokl(C/M)polymorphism is significantly linked with PD.The occurrence of Fokl(CT)gene polymorphism may influence the risk,severity,and cognitive ability of PD patients,while also possibly influencing the effect of Vitamin D3 supplementation in PD patients.In view of the neuroprotective effects of vitamin D and the close association between vitamin D and dopaminergic neurotransmission,interventional prospective studies on vitamin D supplementation in PD patients should be conducted in the future. | Lingling Lv Xuling Tan Xinke Peng Rongrong Bai Qile Xiao Ting Zou Jieqiong Tan Hainan Zhang Chunyu Wang | 2020 | Translational Neurodegeneration2020，9，3： | 5 |
| 13 | IL-17-triggered downregulation of miR-497 results in high HIF-1α expression and consequent IL-1β and IL-6 production by astrocytes in EAE mice显示文摘Interleukin 17(IL-17)is increasingly recognized as a key factor that contributes to the pathogenesis of multiple sclerosis(MS)and its experimental mouse autoimmune encephalomyelitis(EAE)model.However,the roles and regulatory mechanisms of IL-17-induced pro-inflammatory cytokine production in EAE mice remain largely unclear.In this study,the expression of IL-17,hypoxia inducible factor-1α(HIF-1α),IL-1β,IL-6 and microRNA-497(miR-497),as well as their intrinsic associations,was investigated using EAE model mice and cultured astrocytes exposed to IL-17 in vitro.We observed markedly increased production of IL-17,HIF-1α,IL-1βand IL-6 in the brain tissues of EAE mice,while the expression and secretion of HIF-1α,IL-1βand IL-6 were also significantly increased when cultured primary astrocytes from mice were stimulated with IL-17.Meanwhile,the expression of miR-497 was downregulated both in vivo and in vitro.Subsequent in vitro experiments revealed that IL-17 induced the production of IL-1βand IL-6 in astrocytes through the upregulation of HIF-1αas a transcriptional factor,indicating that IL-17-mediated downregulation of miR-497 enhanced HIF-1αexpression.Furthermore,astrocytespecific knockdown of IL-17RA and HIF-1αor astrocyte-specific overexpression of miR-497 by infection with different lentiviral vectors containing an astrocyte-specific promotor markedly decreased IL-1βand IL-6 production in brain tissues and alleviated the pathological changes and score of EAE mice.Collectively,these findings indicate that decreased miR-497 expression is responsible for IL-17-triggered high HIF-1αexpression and consequent IL-1βand IL-6 production by astrocytes in EAE mice. | Kai Shan Rongrong Pang Chenhui Zhao Xiaomei Liu Wenxing Gao Jing Zhang Dan Zhao Yingwei Wang Wen Qiu | 2017 | Cellular & Molecular Immunology2017，14，11： | 5 |
| 14 | Nuclear m^(6)A reader YTHDC1 regulates the scaffold function of LINE1 RNA in mouse ESCs and early embryos显示文摘N^(6)-methyladenosine(m^(6)A)on chromosome-associated regulatory RNAs(carRNAs),including repeat RNAs,plays important roles in tuning the chromatin state and transcription,but the intrinsic mechanism remains unclear.Here,we report that YTHDC1 plays indispensable roles in the self-renewal and differentiation potency of mouse embryonic stem cells(ESCs),which highly depends on the m^(6)A-binding ability.Ythdcl is required for sufficient rRNA synthesis and repression of the 2-cell(2C)transcriptional program in ESCs,which recapitulates the transcriptome regulation by the LINE1 scaffold.Detailed analyses revealed that YTHDC1 recognizes m^(6)A on LINE1 RNAs in the nucleus and regulates the formation of the LINE1-NCL partnership and the chromatin recruitment of KAP1.Moreover,the establishment of H3K9me3 on 2C-related retrotrans-posons is interrupted in Ythdcl-depleted ESCs and inner cell mass(ICM)cells,which consequently increases the transcriptional activities.Our study reveals a role of m^(6)A in regulating the RNA scaffold,providing a new model for the RNA-chromatin cross-talk. | Chuan Chen Wenqiang Liu Jiayin Guo Yuanyuan Liu Xuelian Liu Jun Liu Xiaoyang Dou Rongrong Le Yixin Huang Chong Li Lingyue Yang Xiaochen Kou Yanhong Zhao You Wu Jiayu Chen Hong Wang Bin Shen Yawei Gao Shaorong Gao | 2021 | Protein & Cell2021，12，6： | 4 |
| 15 | Application of next-generation sequencing to screen for pathogenic mutations in 123 unrelated Chinese patients with Marfan syndrome or a related disease显示文摘Marfan syndrome(MFS) is a systemic connective tissue disease principally affecting the ocular, skeletal and cardiovascular systems. This autosomal dominant disorder carries a prevalence of 1:3,000 to 1:5,000. This study aims to define the mutational spectrum of MFS related genes in Chinese patients and to establish genotype-phenotype correlations in MFS. Panel-based targeted next-generation sequencing was used to analyze the FBN1, TGFBR1 and TGFBR2 genes in 123 unrelated Chinese individuals with MFS or a related disease. Genotype-phenotype correlation analyses were performed in mutation-positive patients. The results showed that 97 cases/families(78.9%;97/123) harbor at least one(likely) pathogenic mutation, most of which were in FBN1;four patients had TGFBR1/2 mutations;and one patient harbored a SMAD3 mutation. Three patients had two FBN1 mutations, and all patients showed classical MFS phenotypes. Patients with a dominant negative-FBN1 mutation had a higher prevalence of ectopia lentis(EL). Patients carrying a haploinsufficiency-FBN1 mutation tended to have aortic dissection without EL. This study extends the spectrum of genetic backgrounds of MFS and enriches our knowledge of genotype-phenotype correlations. | Jiacheng Li Chaoxia Lu Wei Wu Yaping Liu Rongrong Wang Nuo Si Xiaolu Meng Shuyang Zhang Xue Zhang | 2019 | Science China(Life Sciences)2019，62，12： | 4 |
| 16 | Late Neoarchean volcanic rocks in the southern Liaoning Terrane and their tectonic implications for the formation of the eastern North China Craton显示文摘The late Neoarchean metamorphosed volcanic rocks in the southern Liaoning Terrane(SLT) of the eastern North China Craton(NCC) are mainly composed of amphibolites and felsic gneisses and can be chemically classified as basalt(Group#1),basaltic andesite(Group#2),dacite(Group#3) and rhyodacite(Group#4).LA-ICP-MS zircon U-Th-Pb dating reveals that they formed at ~2.53-2.51 Ga.Group#1 samples are characterized by approximately flat chondrite-normalized rare earth element(REE) patterns with low(La/Yb)_N ratios and a narrow range of(Hf/Sm)N ratios,and their magmatic precursors were generated by partial melting of a depleted mantle wedge weakly metasomatized by subducted slab fluids.Compared to Group#1 samples,Group#2 samples display strongly fractionated REE patterns with higher(La/Yb)_N ratios and more scattered(Hf/Sm)N ratios,indicative of a depleted mantle wedge that had been intensely metasomatized by slab-derived melts and fluids.Group#3 samples are characterized by high MgO and transition trace element concentrations and fractionated REE patterns,which resemble typical high-Si adakites,and the magmatic precursors were derived from partial melting of a subducted oceanic slab.Group#4 samples have the highest SiO_2 and the lowest MgO and transition trace element contents,and were derived from partial melting of basaltic rocks at lower crust levels.Integrating these tholeiitic to calcalkaline volcanic rocks with the mass of contemporaneous dioritic-tonalitic-trondhjemitic-granodioritic gneisses,the late Neoarchean volcanic rocks in the SLT were most likely produced in an active continental margin.Furthermore,the affinities in lithological assemblages,metamorphism and tectonic regime among SLT,eastern Hebei to western Liaoning Terrane(EH-WLT),northern Liaoning to southern Jilin Terrane(NL-SJT),AnshanBenxi continental nucleus(ABN) and Yishui complex(YSC) collectively indicate that an integral and much larger continental block had been formed in the late Neoarchean and the craton-scale lateral accretion was a dominantly geodynamic mechanism in the eastern NCC. | Lei Gao Shuwen Liu Maojiang Wang Han Bao Rongrong Guo | 2020 | Geoscience Frontiers2020，11，3： | 4 |
| 17 | Help from space:grant-free massive access for satellite-based IoT in the 6G era显示文摘The Sixth-Generation(6G)standard for wireless communications is expected to realize ubiquitous coverage for massive Internet of Things(IoT)networks by 2030.Satellite-based communications are recognized as a highly promising technical enabler to satisfy IoT service requirements in the 6G era.This study analyzes multiple access technologies,which are essential for the effective deployment of satellite-based IoT.First,we thoroughly investigate the existing research related to massive access,including information-theory considerations as well as Non-Orthogonal Multiple Access(NOMA)and Random Access(RA)technologies.Then,we explore the influence of the satellite transmission environment on multiple access technologies.Based on this study,a Non-orthogonal Massive Grant-Free Access(NoMaGFA)scheme,which reaps the joint benefits of RA and NOMA,is proposed for asynchronous transmissions in satellite-based IoT to achieve improved system throughput and enhance the system robustness under varying traffics.Finally,we identify some important and interesting future developments for satellite-based IoT,including waveform design,transceiver design,resource allocation,and artificial intelligence-enhanced design. | Neng Ye Jihong Yu Aihua Wang Rongrong Zhang | 2022 | Digital Communications and Networks2022，8，2： | 3 |
| 18 | Geochemistry and Zircon U–Pb–Hf Isotopic Systematics of the Sanchahe Quartz Monzonite Intrusion in the North Qinling Tectonic Zone, Central China: Implications for its Petrogenesis and Tectonic Setting显示文摘The Sanchahe quartz monzonite intrusion is situated in the middle segment of the North Qinling tectonic belt, Central China mainland, and consists chiefly of sanukitoid–like and granodioritic-monzogranitic rocks. The sanukitoid–like rocks are characterized by quartz monzonites, which display higher Mg#(55.0–59.0), and enrichments in Na2 O+K2 O(7.28–8.94 %), Ni(21-2312 ppm), Cr(56-4167 ppm), Sr(553-923 ppm), Ba(912-1355 ppm) and LREE((La/Yb)N =9.47–15.3), from negative to slightly positive Eu anomalies(δEu=+0.61 to +1.10), but also depletion in Nb, Ta and Ti. The granodioritic-monzogranitic rocks diaplay various Mg#of 6.00-53.0, high Na2 O+K2 O(7.20– 8.30%), Sr(455–1081 ppm) and(La/Yb)N(27.6–47.8), with positive Eu anomalies(δEu=1.03–1.57) and depleted Nb, Ta and Ti. Laser ablation inductively coupled plasma mass spectrometry(LA-ICPMS) zircon U-Pb isotopic dating reveals that the sanukitoid-like rocks were emplaced at two episodes of magmatism at 457±3 Ma and 431±2 Ma, respectively. The monzogranites were emplaced at 445±7Ma. Sanukitoid–like rocks have their εHf(t) values ranging from +0.3 to +15.1 with Hf–depleted mantle model ages of 445 to 1056 Ma, and the monzogranite shows its εHf(t) values ranging from 21.6 to +10.8 with Hf–depleted mantle model ages of 635 to 3183 Ma. Petrological, geochemical and zircon Lu –Hf isotopic features indicate that the magmatic precursor of sanukitoid–like rocks was derived from partial melting of the depleted mantle wedge materials that were metasomatized by fluids and melts related to subduction of oceanic slab, subsequently the sanukitoid magma ascended to crust level. This emplaced mantle magma caused partial melting of crustally metamorphosed sedimentary rocks, and mixing with the crustal magma, and suffered fractional crystallization, which lead to formations of quartz monzonites. However, the magmatic precursor of the granodioritic-monzogranitic rocks were derived from partial melting of subducted oceanic slab basalts. Integrated previous investigation for the adackitic rocks in the south of the intrusion, the Sanchahe intrusion signed that the North Qinling tectonic zone was developed in an early Paleozoic transitionally tectonic background from an island arc to back–arc. | YAN Ming LIU Shuwen LI Qiugen ZHANG Wanyi YANG Pengtao YAN Zhen WANG Ruiting WANG Wei GUO Rongrong | 2014 | Acta Geologica Sinica(English Edition)2014，88，1： | 3 |
| 19 | Impact of seasonal water-level fluctuations on autumn vegetation in Poyang Lake wetland,China显示文摘Water level fluctuations (WLF) are natural patterns that are necessary for the survival of various plants,and WLF guarantee both the productivity and the biodiversity of wetlands.However,the underlying mechanisms of how changes in vegetation are linked to seasonal WLF remain unclear.Using vegetation and hydrological data from 1989 to 2009,we identified the key seasonal fluctuations and their impacts on vegetation in the Poyang Lake wetland by utilizing a tree-based hierarchical model.According to our results: 1) WLF in summer had significant impacts on both sedges and reeds.The severe summer floods promoted the expansion of sedges,while they inhibited the expansion of reeds;2) WLF in autumn also greatly impacted sedges,while reeds were severely affected in spring.Specifically,we found that low water levels in autumn led to the expansion of sedges,and low water levels in spring led to the expansion of reeds.The results were well corroborated through comparisons of the vegetation distribution patterns over the last two decades (i.e.,the 1990s and 2000s),which may shed light on corresponding water resource and wetland management. | Xue DAI Rongrong WAN Guishan YANG Xiaolong WANG Ligang XU Yanyan LI Bing LI | 2019 | Frontiers of Earth Science2019，13，2： | 3 |
| 20 | The effect of interbeds on distribution of i ncremental oil displaced by a polymer flood显示文摘This paper discusses the effect of influ encing factors on the distribution of incremental oil displaced by a polymer flood(extra-displaced oil) using numerical reservoir simulation.These factors include the location,area and permeability of a thin low-permeability interbed,and the perforation location relative to the interbed.Simulation results show the locations from where the incremental oil was displaced by the polymer solution.The interbed position from the oil formation top affects the location of extra-displaced oil.The interbed area has a slight influence on the whole shape of extra-displaced oil.Larger interbed area leads to higher partition extent of extra-displaced oil.Higher vertical permeability of interbeds contributes to worse partition extent of extra-displaced oil and the partition effect disappears if the ratio of vertical to horizontal permeability is more than 0.05.The perforation location relative to the interbed affects polymer displacement efficiency,and also has a significant effect on the distribution of extra-displaced oil in polymer flooding. | Hou Jian Du Qingjun Lu Teng Zhou Kang Wang Rongrong | 2011 | Petroleum Science2011，8，2： | 3 |
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