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| 1 | Features of Sandy Debris Flows of the Yanchang Formation in the Ordos Basin and Its Oil and Gas Exploration Significance显示文摘Sandy debris flow is a new genetic type of sand bodies,which has gained much attention in recent years and its corresponding theory is proved to be a significant improvement and even partial denial to the 'Bouma Sequence' and 'turbidite fan' deep-water sedimentary theories to some point. Oil exploration researchers are highly concerned with sandy debris flows for its key role in controlling oil and gas accumulation processes.In this article,by applying sandy debris flows theory and combining a lot work o... | LI Xiangbo CHEN Qilin LIU Huaqing WAN Yanrong WEI Lihua LIAO Jianbo LONG Liwen | 2011 | Acta Geologica Sinica(English Edition)2011，85，5： | 24 |
| 2 | Two-dimensional semiconductors with possible high room temperature mobility显示文摘我们计算了纵的声学的声子有 MX 的作文的 14 个二维的半导体的有限电子活动性<潜水艇class=“ a-plus-plus ”> M (=瞬间, W , Sn , Hf , Zr 和磅)是转变金属的 2 ,,和 X 是 S , Se 和 Te 。我们由变丑潜力近似对待散布矩阵。我们从 14 混合物发现了那,尘埃 < 潜水艇 class= “ a-plus-plus ” > 2 , HfSe < 潜水艇 class= “ a-plus-plus ” > 2 和 ZrSe < 潜水艇 class= “ a-plus-plus ” > 2 正在答应考虑到他们的可能的高活动性和有限乐队差距。有限活动性能在 2,500 厘米上面的声子 < 啜 class= “ a-plus-plus ” > 2 ? 抌?? | Wenxu Zhang Zhishuo Huang Wanli Zhang Yanrong Li | 2014 | Nano Research2014，7，12： | 24 |
| 3 | Antioxidant properties of magnesium lithospermate B contribute to the cardioprotection against myocardial ischemia/reperfusion injury in vivo and in vitro显示文摘OBJECTIVE: To determine the cardioprotective effect of magnesium lithospermate B (MLB) on myocardial ischemia/reperfusion (MI/R) injury and to investigate the antioxidant potential in vivo and in vitro. METHODS: MI/R injury was induced by the occlusion of left anterior descending coronary artery for 30 min followed by reperfusion for 3 h in rats. After reperfusion, hearts were harvested to assess infarct size, histopathological damages, the levels of superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPx), reduced glutathione (GSH) and malondialdehyde (MDA). Blood samples were col- lected to determine serum levels of creatine kinase-MB (CK-MB), cardiac troponin (cTnI) and lactate dehydrogenase (LDH). Furthermore, simulatedischemia/reperfusion (SI/R) injury in vitro was established by oxygen and glucose deprivation (OGD) for 2 h followed by 24-hour recovery period in cardiomyocytes. The activity of LDH in the cultured supernatant and the levels of intracellular reactive oxygen species (ROS), SOD and MDA in cardiomyocytes were also measured. Finally, cardiomyocytes apoptosis was determined with flow cytometry. RESULTS: MLB significantly limited infarct size, ameliorated histopathological damages and prevented leakage of CK-MB, cTnI and LDH. Additionally, SOD, CAT, GPx and GSH activities were notably increased by MLB, along with the MDA content decreased as compared with the model group in rats. In vitro study, MLB also decreased LDH activity in the cultured supernatant, increased SOD activity in cardiomyocytes, reduced intracellular ROS and MDA levels, and significantly suppressed cardiomyocytes apoptosis. CONCLUSION: MLB possessed remarkably cardioprotective effects on MI/R injury in vivo and in vitro. The protection of MLB may contribute to its antioxidant properties. | Wei Quan Ying Yin Miaomiao Xi Dan Zhou Yanrong Zhu Yue Guan Chao Guo Yanhua Wang Jialin Duan Aidong Wen | 2013 | Journal of Traditional Chinese Medicine2013，33，1： | 21 |
| 4 | Healthy function and high valued utilization of edible fungi显示文摘Edible fungi are large fungi with high added value that can be utilized as resources.They are rich in high-quality protein,carbohydrate,various vitamins,mineral elements and other nutrients,and are characterized by high protein,low sugar,low fat and low cholesterol.In addition,edible fungi contain a variety of bioactive substances,such as polysaccharides,dietary fiber,steroids,polyphenols,and most of these compounds have antioxidant,anti-tumor and other physiological functions.This review comprehensively discusses the bioactive components and functional characteristics of edible fungi(such as antioxidant,anti-aging,hypolipidemic activities,etc.).Then the recent developments and prospect in the high-valued utilization of edible fungi are discussed and summarized.The objective of this review is to improve the understanding of health-promoting properties of edible fungi,and provide reference for the industrial production of edible fungi-based health products. | Yanrong Zhang Dawei Wang Yuetong Chen Tingting Liu Shanshan Zhang Hongxiu Fan Hongcheng Liu Yu Li | 2021 | Food Science and Human Wellness2021，10，4： | 20 |
| 5 | Regulation of mitophagy in ischemic brain injury显示文摘The selective degradation of damaged or excessive mitochondria by autophagy is termed mitophagy. Mitophagy is crucial for mitochondrial quality control and has been implicated in several neurodegenerative disorders as well as in ischemic brain injury. Emerging evidence suggested that the role of mitophagy in cerebral ischemia may depend on different pathological processes. In particular, a neuroprotective role of mitophagy has been proposed, and the regulation of mitophagy seems to be important in cell survival. For these reasons, extensive investigations aimed to profile the mitophagy process and its underlying molecular mechanisms have been executed in recent years. In this review, we summarize the current knowledge regarding the mitophagy process and its role in cerebral ischemia, and focus on the pathological events and molecules that regulate mitophagy in ischemic brain injury. | Yang Yuan Xiangnan Zhang Yanrong Zheng Zhong Chen | 2015 | Neuroscience Bulletin2015，31，4： | 12 |
| 6 | Two-dimensional heterostructure promoted infrared photodetection devices显示文摘It is a rapidly developed subject in expanding the fundamental properties and application of two-dimensional(2D)materials.The weak van der Waals interaction in 2D materials inspired researchers to explore 2D heterostructures(2DHs)based broadband photodetectors in the far-infrared(IR)and middle-IR regions with high response and high detectivity.This review focuses on the strategy and motivation of designing 2DHs based high-performance IR photodetectors,which provides a wide view of this field and new expectation for advanced photodetectors.First,the photocarriers'generation mechanism and frequently employed device structures are presented.Then,the 2DHs are divided into semimetal/semiconductor 2DHs,semiconductor/semiconductor 2DHs,and multidimensional semi-2DHs;the advantages,motivation,mechanism,recent progress,and outlook are discussed.Finally,the challenges for next-generation photodetectors are described for this rapidly developing field. | Gaofeng Rao Xuepeng Wang Yang Wang Peihua Wangyang Chaoyi Yan Junwei Chu Lanxin Xue Chuanhui Gong Jianwen Huang Jie Xiong Yanrong Li | 2019 | InfoMat2019，1，3： | 12 |
| 7 | Flexible cobalt phosphide network electrocatalyst for hydrogen evolution at all pH values显示文摘为根本切开 pH 值的水的高效的 electrocatalysts 在持续的氢进化的领域里吸引了可观的兴趣。此处,我们与 nanocrystalline 钴磷化物(警察) 报导有效 electrocatalyst 为在 0-14 的 pH 范围切开的水的网络。新奇灵活 electrocatalyst 从在一条传导性的 Hastelloy 带上种的一个理想的 nanocrystalline 警察网络被导出。这种 self-supported 警察网络直接为氢进化被用作 electrocatalytic 阴极。在有 ~ 的低发作过电位的优异性能的 nanocrystalline 网络结构结果在 0 ~ 14 的一个宽广 pH 范围上的 45 mV 并且负担得起 100 mAH | Jianwen Huang Yanrong Li YufeiXia Juntong Zhu Qinghua Yi Hao Wang Jie Xiong Yinghui Sun Guifu Zou | 2017 | Nano Research2017，10，3： | 8 |
| 8 | Channel Estimation and Throughput Evaluation for 5G Wireless Communication Systems in Various Scenarios on High Speed Railways显示文摘The fifth generation(5 G) wireless communication is currently a hot research topic and wireless communication systems on high speed railways(HSR) are important applications of 5 G technologies. Existing studies about 5 G wireless systems on high speed railways(HSR) often utilize ideal channel parameters and are usually based on simple scenarios. In this paper, we evaluate the downlink throughput of 5 G HSR communication systems on three typical scenarios including urban, cutting and viaduct with three different channel estimators. The channel parameters of each scenario are generated with tapped delay line(TDL) models through ray-tracing simulations, which can be considered as a good match to practical situations. The channel estimators including least square(LS), linear minimum mean square error(LMMSE), and our proposed historical information based basis expansion model(Hi BEM). We analyze the performance of the Hi BEM estimator in terms of mean square error(MSE) and evaluate the system throughputs with different channel estimates over each scenario. Simulation results are then provided to corroborate our proposed studies. It is shown that our Hi BEM estimator outperforms other estimators and that the sys- | yanrong zhao xiyu wang gongpu wang ruisi he yulong zou zhuyan zhao | 2018 | China Communications2018，15，4： | 7 |
| 9 | Sedimentary Characteristics of the Pleistocene Outwash Accumulation and their Implications for Paleoclimate Change in the Midstream of Dadu River,Southwestern China显示文摘古老的冰川边碛外的沉积累积,与复杂沉积特征在更新世扔了,在 Dadu 河的中流山谷被发现,西南的中国。他们的沉积特征为在这个区域获得深卓见进古气候变化的相关性被调查。这为二代表性的冰川边碛外的沉积累积借助于详细地点调查,采样和实验室测试(谷物尺寸分发和标明日期测试的电子旋转回声) 被完成。基于现在的学习,几个主要结论是如下外面淹死:1 ) 累积主要由粗糙的土壤组成(粗糙的部分是超过 50%) 并且很粗糙的土壤(粗糙的部分关于 20%35% ,并且很粗糙的部分是超过 55%) ;2 ) 粗糙的土壤是排序得好的亚回合和亚 stratified 到成层得好,当粗糙的土壤展出亚回合到亚 angular 时并且糟糕排序;3 ) 累积被要求到间歇地在三个次时期被扔了。这被天气 / 剩余的泥土的二层证实,紫色到在颜色的砖红;并且 4 )在学习区域的温度增加了超过三个次时期,这被推断,即, 280 ka B.P 到 120 ka B.P ,到 80 ka B.P 的 110 ka B.P 和到 25 ka B.P 的 70 ka B.P ,并且分别地在 120 ka B.P 和 77 ka B.P 衰退了两次。 | TU Guoxiang HUANG Runqiu DENG Hui LI Yanrong | 2012 | Acta Geologica Sinica(English Edition)2012，86，4： | 7 |
| 10 | Paleoceanographic Indicators for Early Cambrian Black Shales from the Yangtze Platform, South China: Evidence from Biomarkers and Carbon Isotopes显示文摘The lower Cambrian Niutitang Formation, a widespread black shale deposition, is of geological interest because of its polymetallic beds, Cambrian explosion, depositional ages, dramatic environmental changes and so on. Previous study focused mainly on inorganic geochemistry and few studies have investigated the organic fractions of upper Neoproterozoic-lower Cambrian strata in South China. Here we report a study of biomarkers plus organic carbon isotopes for black shales from Ganziping, Hunan Province (China). All the saturated hydrocarbon fractions have a unimodal distribution of n-alkanes, a high content of short-chain alkanes and maximize at C 19 or C 20 (C 23 for sample Gzh00-1). The C 27 /C 29 sterane ratio ranges from 0.77 to 1.20 and 4-methylsteranes are in low abundance. These parameters indicate that algae and bacteria are the important primary producers. Furthermore, biomarker maturity proxies show the samples to be higher maturity. The low Pr/Ph values (<0.7) suggest that the samples were deposited under anoxic conditions and, likely, under stratified water columns. In addition, 25-norhopanes and gammacerane are present as diagnostic indicators of normal marine salinity and dysoxic to anoxic conditions. During the Early Tommotian, known to coincide with a transgression event, small shelly fossils increased in abundance and diversity. Moreover, positive δ 13 C org excursions close to 1.4‰ occur at the base of the Tommotian stage. In summary, the Early Cambrian black shales were deposited under dramatic paleoenvironmental changes, including oceanic anoxia, higher primary productivity and sea-level rise. | CHEN Lan ZHONG Hong HU Ruizhong XIAO Jiafei TSAI Louis Loung-Yie LIN Andrew Tien-Shun ZOU Yanrong | 2012 | Acta Geologica Sinica(English Edition)2012，86，5： | 6 |
| 11 | Source apportionment of VOCs in a typical medium-sized city in North China Plain and implications on control policy显示文摘Characteristics of atmospheric VOCs(volatile organic compounds) have been extensively studied in megacities in China, however, they are scarcely investigated in medium/smallsized cities in North China Plain(NCP).A comprehensive research on possible sources of VOCs was conducted in a medium-sized city of NCP, from May to September 2019.A total of 143 canister samples of 8 sites in Xuchang city were collected, and 57 VOC species were detected.The average VOC concentrations were 42.6 ± 31.6 μg/m3, with 53.7 ± 31.0 μg/m3 and 32.1 ± 27.8 μg/m^(3), in the morning and afternoon, respectively.Alkenes and aromatics contributed 80% of the total ozone formation potential(OFP).Aromatics accounted for more than 95% of secondary organic aerosol potential(SOAP).VOCs were dominated by the local emission with significant transport from the southeast direction.PMF analysis extracted 6 sources, which were combustion(33.1%), LPG usage(19.3%), vehicular exhaust & fuel evaporation(15.8%), solvent usage(15.2%), industrial(9.11%) and biogenic(7.51%), respectively and they contributed 33.4%, 17.6%, 12.9%, 18.6%, 9.28% and 8.22% to the OFP, respectively.Combustion and LPG usage were the dominant VOC sources;and combustion, solvent usage and LPG usage were the main sources of OFP in Xuchang city, which were different to megacities in China with a high contribution from vehicular exhaust, solvent usage and industry,suggesting specific control strategies on VOCs need to be implemented in medium-sized city such as Xuchang city. | Juanjuan Qin Xiaobo Wang Yanrong Yang Yuanyuan Qin Shaoxuan Shi Peihua Xu Rongzhi Chen Xueming Zhou Jihua Tan Xinming Wang | 2021 | Journal of Environmental Sciences2021，33，9： | 6 |
| 12 | Maturity Control on the Patterns of Hydrocarbon Regeneration from Coal显示文摘Rock-Eval pyrolysis and Py-GC experiments on naturally and artificially matured coal samples were carried out. The results suggest that both depolymerization and defuctionalization exist during the maturation and evolution of coal. The patterns of hydrocarbon regeneration are diverse at different stages of the maturation and evolution. When the vitrinite reflectance (R0) is 0.7%-0.9%, bitumen is the richest in coal while activation energy is the minimum, and the temperature of peak yield is lower than that of primary hydrocarbon generation. However, if reflectance is greater than 0.9%, defunctionalization predominates and the temperature of peak regeneration is shown in lagging compared with the primary hydrocarbon generation. When reflectance is out of the 'oil window', the peak temperature of hydrocarbon regeneration and that of the primary hydrocarbon generation seems to be continuous. | ZOU Yanrong YANG Qi LIU Dameng KANG Xidong TANG Dazhen | 2000 | Acta Geologica Sinica(English Edition)2000，74，2： | 6 |
| 13 | Immobilization of acetylcholinesterase on one-dimensional gold nanoparticles for detection of organophosphorous insecticides显示文摘This paper reports a simple method for immobilization of acetylcholinesterase (AChE) on one-dimensional (1D) gold (Au) nanoparticles for detection of organophosphorous (OP) insecticides. 1D Au nanoparticles were prepared by electrodeposition in the pores of an alumina template which was subsequently removed by 2.0 M NaOH solution. They were characterized by XRD and FESEM. The immobilized AChE retained its biological activity and catalyzed the hydrolysis of acetylthiocholine to form thiocholine, which was subsequently oxidized to produce detectable signals. Based on the inhibition toward the enzymatic activity of AChE by OP insecticides, sensitive detection of methamidophos (an OP insecticide) was performed. Under optimal conditions, the sensors could be used for the determination of methamidophos ranging from 0.004 to 24 μg/mL with the detection limit of 0.001 μg/mL. The developed OP insecticide biosensors exhibited satisfactory stability and reproducibility. This work demonstrated that 1D Au nanoparticles could serve as an ideal carrier for immobilization of AChE to fabricate the corresponding biosensor. | LI YanRong, GAN ZhiYong, LI YanFen, Liu Qian, BAO JianChun, DAI ZhiHui & HAN Min Jiangsu Key Laboratory of Biofunctional Materials College of Chemistry and Environmental Science, Nanjing Normal University, Nanjing 210097, China | 2010 | Science China Chemistry2010，53，4： | 6 |
| 14 | Contents of soil organic carbon and nitrogen in water-stable aggregates in abandoned agricultural lands in an arid ecosystem of Northwest China显示文摘Soil organic matter content in water-stable aggregates(WSA) in the arid ecosystems(abandoned agricultural lands especially) of China is poorly understood. In this study, we examined the WSA sizes and stability, and soil organic carbon(OC) and nitrogen(N) contents in agricultural lands with abandonment ages of 0, 3, 12, 20, 30 and 40 years, respectively, in the Minqin Oasis of Northwest China. The total soil OC and N contents at depths of 0–20, 20–40 and 40–60 cm in abandoned agricultural lands were compared to those in cultivated land(the control). Agricultural land abandonment significantly(P<0.05) influenced the distribution of MWD(mean weight diameter), and OC and N contents. There were significant increases in MWD and the proportion of macroaggregates(sizes >0.25 mm) as the age of agricultural land abandonment increased. The effect of abandonment ages of agricultural lands on MWD was determined by the changes of OC and N accumulation in WSA sizes >2 mm. The total OC and N contents presented a stratification phenomenon across soil depths in this arid ecosystem. That is, both of them decreased significantly at depths of 0–20 and 40–60 cm while increased at the depth of 20–40 cm. The WSA sizes <0.053 mm had the highest soil OC and N contents(accounting for 51.41%–55.59% and 42.61%–48.94% of their total, respectively). Soil OC and N contents in microaggregates(sizes 0.053–0.25 mm) were the dominant factors that influenced the variations of total OC and N contents in abandoned agricultural lands. The results of this study suggested that agricultural land abandonment may result in the recovery of WSA stability and the shifting of soil organic matter from the silt+clay(<0.053 mm) and microaggregate fractions to the macroaggregate fractions. However, agricultural land abandonment did not increase total soil OC and N contents in the short-term. | WANG Junqiang LIU Lichao QIU Xiaoqing WEI Yujie LI Yanrong SHI Zhiguo | 2016 | Journal of Arid Land2016，8，3： | 6 |
| 15 | AoA-Based Channel Estimation for Massive MIMO OFDM Communication Systems on High Speed Rails显示文摘Channel estimation is a well-known challenge for wireless orthogonal frequency division multiplexing(OFDM)communication systems with massive antennas on high speed rails(HSRs).This paper investigates this problem and design two practicable uplink and downlink channel estimators for orthogonal frequency division multiplexing(OFDM)communication systems with massive antenna arrays at base station on HSRs.Specifically,we first use pilots to estimate the initial angle of arrival(AoA)and channel gain information of each uplink path through discrete Fourier transform(DFT),and then refine the estimates via the angle rotation technique and suggested pilot design.Based on the uplink angel estimation,we design a new downlink channel estimator for frequency division duplexing(FDD)systems.Additionally,we derive the Cramér-Rao lower bounds(CRLBs)of the AoA and channel gain estimates.Finally,numerical results are provided to corroborate our proposed studies. | Yanrong Zhao Wenjing Zhao Gongpu Wang Bo Ai Hervin Hidayat Putra Bagus Juliyanto | 2020 | China Communications2020，17，3： | 6 |
| 16 | Apelin activates the expression of inflammatory cytokines in microglial BV2 cells via PI-3K/Akt and MEK/Erk pathways显示文摘This paper aims to observe the changes of the inflammatory cytokines in microglial BV2 cells stimulated by apelin, and investigate the mechanism of inflammatory cytokines secretion after apelin stimulation. Immunofluorescence and quantitative real-time PCR were performed to observe expression of TNF-α, IL-1β, IL-10, MIP-1α, and MCP-1 in BV2 cells. Western blot was used to investigate the expression of phosphorylation PI-3K/Akt and phosphorylation Erk signaling pathways in BV2 cells after stimulation by apelin. Furthermore, PI-3K/Akt inhibitor(LY294402) and Erk inhibitor(U0126) were used as antagonists to detect the secretion mechanisms of cytokines in BV2 cells stimulated by apelin. Exogenous recombinant apelin activated the expression of TNF-α, IL-1β, MCP-1 and MIP-1α in BV2 cells by the detection of fluorescence expression and m RNA. Apelin also unregulated the protein expression of p-PI-3K/Akt and p-Erk in BV2 cells induced by apelin. LY294002 and U0126 inhibited activation of p-PI-3K/Akt and p-Erk expression by Western blot and attenuated the expression of inflammation factors in BV2 cells by fluorescence staining. This study demonstrates that apelin is a potential activator of inflammation factors through the PI3K/Akt and Erk signaling pathway and is potential therapeutically relevant to inflammatory responses of microglia cells. | CHEN Li TAO Yong JIANG YanRong | 2015 | Science China(Life Sciences)2015，58，6： | 5 |
| 17 | Risk Assessment of Secondary Geological Disasters Induced by the Yushu Earthquake显示文摘The Yushu Ms 7.1 earthquake occurred on April 14,2010 in Qinghai Province,China.It induced a mass of secondary geological disasters,such as collapses,landslides,and debris flows.Risk assessment maps are important for geological disaster prevention and mitigation,and also can serve as a guide for post-earthquake reconstruction.Firstly,a hazard assessment index system of secondary geological disasters in the earthquake region was built in this paper,which was based on detailed analysis of environmental and triggering factors closely related to geological disasters in the study area.GIS technology was utilized to extract and analyze the assessment index.Hazard assessment maps of secondary geological disasters were obtained by spatial modeling and overlaying analysis.Secondly,an analysis of the vulnerability of hazard bearing bodies in the area was conducted,important information,such as, population density,percentage of arable land, industrial and agricultural outputs per unit area were regarded as assessment indices to evaluate socioeconomic vulnerability.Thirdly,the risk level of secondary geological disasters of the area was obtained by the formula:Risk=Hazard×Vulnerability. Risk assessment maps were categorized into four levels,including'low','moderate','high'and'very high'.These results show that some urban areas are at very high risk,including Jiegu,Chengwen,Xiaxiula and Sahuteng towns.This research can provide some references and suggestions to improve decisionmaking support for emergency relief and post- earthquake reconstruction in the study area. | NIU Quanfu CHENG Weiming LIU Yong XIE Yaowen LAN Hengxing CAO Yanrong | 2012 | Journal of Mountain Science2012，9，2： | 5 |
| 18 | Protective effect of oxysophoridine on cerebral ischemia/reperfusion injury in mice显示文摘Oxysophoridine, a new alkaloid extracted from Sophora alopecuroides L., has been shown to have a protective effect against ischemic brain damage. In this study, a focal cerebral ischemia/reperfusion injury model was established using middle cerebral artery occlusion in mice. Both 62.5, 125, and 250 mg/kg oxysophoridine, via intraperitoneal injection, and 6 mg/kg nimodipine, via intragastric administration, were administered daily for 7 days before modeling. After 24 hours of reperfusion, mice were tested for neurological deficit, cerebral infarct size was assessed and brain tissue was collected. Results showed that oxysophoridine at 125, 250 mg/kg and 6 mg/kg nimodipine could reduce neurological deficit scores, cerebral infarct size and brain water content in mice. These results provided evidence that oxysophoridine plays a protective role in cerebral ischemia/reperfusion injury. In addition, oxysophoridine at 62.5, 125, and 250 mg/kg and 6 mg/kg nimodipine increased adenosine-triphosphate content, and decreased malondialdehyde and nitric oxide content. These compounds enhanced the activities of glutathione-peroxidase, superoxide dismutase, catalase, and lactate dehydrogenase, and decreased the activity of nitric oxide synthase. Protein and mRNA expression levels of N-methyl-D-aspartate receptor subunit NR1 were markedly inhibited in the presence of 250 mg/kg oxysophoridine and 6 mg/kg nimodipine. Our experimental findings indicated that oxysophoridine has a neuroprotective effect against cerebral ischemia/reperfusion injury in mice, and that the effect may be due to its ability to inhibit oxidative stress and expression of the N-methyl-D-aspartate receptor subunit NR1. | Hongbo Wang Yuxiang Li Ning Jiang Xiaoping Chen Yi Zhang Kuai Zhang Tengfei Wang Yinju Hao Lin Ma Chengjun Zhao Yanrong Wang Tao Sun Jianqiang Yu | 2013 | Neural Regeneration Research2013，8，15： | 5 |
| 19 | Gene characterization and molecular pathway analysis of reverse thermosensitive genic male sterility in eggplant(Solanum melongena L.)显示文摘The naturally occurring mutant eggplant line 05ms was identified with reverse thermosensitive genic male sterility(rTGMS),but its temperature-responsive fertility mechanisms remain largely unknown.Here,we studied the flower morphology,anther cellular structure,and genome-wide gene expression of this rTGMS line.Candidate genes for thermosensitive male sterility during the microspore development of 05ms and the temperature-insensitive line S63 under low-temperature(LT)and high-temperature(HT)conditions were identified.Under LT,tapetum cells were vacuolated and had delayed disintegration in 05ms.RNA-seq analysis indicated that DEGs were enriched in the KEGG pathways‘plant hormone signal transduction’,‘starch and sucrose metabolism’,and‘phenylpropanoid biosynthesis’.We identified two genes,4CLL1(Sme2.5_00368.1_g00010.1)and CKI1(Sme2.5_10056.1_g00002.1),which could potentially regulate eggplant anther development and may be candidate genes for rTGMS.Finally,we propose a working model of anther abortion for rTGMS in eggplant.CKI1 responds to LT stress and causes expression changes in genes related to anther development,such as 4CLL1,and the cellular structure of the tapetum becomes abnormal,causing male sterility.The findings of this study explain the underlying molecular mechanisms of male sterility in eggplant rTGMS lines. | Bing Li Xueping Chen Yanrong Wu Aixia Gu Jingjing Zhang Shuangxia Luo Xiurui Gao Jianjun Zhao Xiuqing Pan Shuxing Shen | 2019 | Horticulture Research2019，6，1： | 5 |
| 20 | Identification of marine natural gases with different origin sources显示文摘Kinetic experiments of gas generation for typical samples of marine gas precursors including low-maturity kerogen,residual kerogen and oil as well as dispersed liquid hydrocarbon(DLH)in source rocks were performed by closed system,and the evolution trends of molecular and isotopic compositions of natural gases from different precursors against the maturity(R0%)at laboratory conditions were analyzed.Several diagrams of gas origin were calibrated by using the experimental data.A diagram based on the ratio of normal and isomerous butane and pentane(i/nC4-i/nC5)was proposed and used to identify the origins of the typical marine natural gases in the Sichuan Basin and the Tarim Basin, China.And the maturities of natural gases were estimated by using the statistical relationships between the gaseous molecular carbon isotopic data and maturities(δ13C-R 0 %)with different origins.The results indicate that the molecular and isotopic compositions of simulated gases from different precursors are different from each other.For example,the dryness index of the oil-cracking gas is the lowest;the dryness indices of gases from DLH and kerogen in closed system are almost the same;and the dryness index of gases from residual kerogen is extremely high,indicating that the kerogen gases are very dry;the contents of non-hydrocarbon gases in kerogen-cracking gases are far higher than those in oil-cracking and DLH-cracking gases.The molecular carbon isotopes of oil-cracking gases are the lightest,those of kerogen in closed system and GLH-cracking gases are the second lightest,and those of cracking gases from residual kerogen are the heaviest.The calibration results indicate that the diagrams of ln(C1/C2)-ln(C2/C3)andδ13C2-δ13C3-ln(C2/C3)can discriminate primary and secondary cracking gases,but cannot be used to identify gas origin sources,while the diagram of i/nC4-i/nC5 can differentiate the gases from different precursors.The application results of these diagrams show that gas mixtures extensively exist in China,which involved the gases from multiple precursors and those from different maturity stages.For example,marine gases in the Sichuan Basin involve the mixture of oil-cracking gases and high-over-maturated kerogen gases,while those in the Tarim Basin involve not only the mixture of gases from multiple precursors,but also those from different maturity gases and post-reservoir alternations such as oxidized degradation and gas intrusion processes. | WANG YunPeng 1 ,ZHAO ChangYi 2 ,WANG ZhaoYun 2 ,WANG HongJun 2 ,TIAN Jin 1 ,ZOU YanRong 1 &LIU JinZhong1 1State Key Laboratory of Organic Geochemistry,Guangzhou Institute of Geochemistry,Chinese Academy of Sciences,Guangzhou 510640,China 2Institute of Geology,Research Institute of Petroleum Exploration and Development,PetroChina,Beijing 100083,China | 2008 | Science China Earth Sciences2008，51，S1： | 4 |
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