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| 1 | Distribution of chlorpyrifos in rice paddy environment and its potential dietary risk显示文摘Chlorpyrifos is one of the most extensively used insecticides in China. The distribution and residues of chlorpyrifos in a paddy environment were characterized under field and laboratory conditions. The half-lives of chlorpyrifos in the two conditions were 0.9–3.8 days(field) and 2.8–10.3 days(laboratory), respectively. The initial distribution of chlorpyrifos followed the increasing order of water < straw < soil, and soil was characterized as the major absorber. The ultimate residues in rice grain were below the maximum residue limit(MRL) with a harvest interval of 14 days. The chronic exposure for chlorpyrifos was rather low compared to the acceptable daily intake(ADI = 0.01 mg/kg bw) due to rice consumption. The chronic exposure risk from chlorpyrifos in rice grain was 5.90% and 1.30% ADI from field and laboratory results respectively. Concerning the acute dietary exposure,intake estimated for the highest chlorpyrifos level did not exceed the acute reference dose(ARf D = 0.1 mg/kg bw). The estimated short-term intakes(ESTIs) were 0.78% and 0.25% of the ARf D for chlorpyrifos. The results showed that the use of chlorpyrifos in rice paddies was fairly safe for consumption of rice grain by consumers. | Yan Fu Feifei Liu Chenglin Zhao Ying Zhao Yihua Liu Guonian Zhu | 2015 | Journal of Environmental Sciences2015,27,9: | 5 |
| 2 | Solution-based Chemical Strategies to Purposely Control the Microstructure of Functional Materials显示文摘Micro/nanostructured crystals with controlled architectures are desirable for many applications in optics, electronics,biology,medicine,and energy conversions.Low-temperature,aqueous chemical routes have been widely investigated for the synthesis of particles,and arrays of oriented nanorods and nanotubes.In this paper,based on the ideal crystal shapes predicted by the chemical bonding theory,we have developed some potential chemical strategies to tune the microstructure of functional materials,ZnS and Nb_2O_5 nanotube arrays,MgO wiskers and nestlike spheres,and cubic phase Cu_2O microcrystals were synthesized here to elucidate these strategies.We describe their controlled crystallization processes and illustrate the detailed key factors controlling their growth by examining various reaction parameters.Current results demonstrate that our designed chemical strategies for tuning microstructure of functional materials are applicable to several technologically important materials,and therefore may be used as a versatile and effective route to the controllable synthesis of other inorganic functional materials. | Fei LIU Congting SUN Chenglin YAN Dongfeng XUE | 2008 | Journal of Materials Science & Technology2008,24,4: | 4 |
| 3 | A novel one-step reaction sodium-sulfur battery with high areal sulfur loading on hierarchical porous carbon fiber显示文摘Room temperature sodium-sulfur(RT Na-S)batteries are gaining extensive attention as attractive alternatives for large-scale energy storage,due to low cost and high abundancy of sodium and sulfur in nature.However,the dilemmas regarding soluble polysulfides(Na_(2)Sn,4 | Qiubo Guo Shuo Sun Keun-il Kim Hongshen Zhang Xuejun Liu Chenglin Yan Hui Xia | 2021 | Carbon Energy2021,3,3: | 3 |
| 4 | Preparation, microstructure and degradation performance of biomedical magnesium alloy fine wires显示文摘With the development of new biodegradable Mg alloy implant devices, the potential applications of biomedical Mg alloy fine wires are realized and explored gradually. In this study, we prepared three kinds of Mg alloy fine wires containing 4 wt% RE(Gd/Y/Nd) and 0.4 wt% Zn with the diameter less than 0.4 μm through casting, hot extruding and multi-pass cold drawing combined with intermediated annealing process. Their microstructures, mechanical and degradation properties were investigated. In comparison with the corresponding as-extruded alloy, the final fine wire has significantly refined grain with an average size of 3–4 μm, and meanwhile shows higher yield strength but lower ductility at room temperature. The degradation tests results and surface morphologies observations indicate that Mg–4Gd–0.4Zn and Mg–4Nd–0.4Zn fine wires have similar good corrosion resistance and the uniform corrosion behavior in SBF solution. By contrast, Mg–4Y–0.4Zn fine wire shows a poor corrosion resistance and the pitting corrosion behavior. | Jing Bai Lingling Yin Ye Lu Yiwei Gan Feng Xue Chenglin Chu Jingli Yan Kai Yan Xiaofeng Wan Zhejun Tang | 2014 | Progress in Natural Science:Materials International2014,24,5: | 3 |
| 5 | Single lithium-ion channel polymer binder for stabilizing sulfur cathodes显示文摘Lithium-sulfur batteries have great potential for high-performance energy-storage devices,yet the severe diffusion of soluble polysulfide to electrolyte greatly limits their practical applications.To address the above issues;herein we design and synthesize a novel polymer binder with single lithium-ion channels allowing fast lithium-ion transport while blocking the shuttle of unnecessary polysulfide anions.In situ UV-vis spectroscopy measurements reveal that the prepared polymer binder has effective immobilization to polysulfide intermediates.As expected,the resultant sulfur cathode achieves an excellent specific capacity of 1310 mAh g^-1 at 0.2 C,high Coulombic efficiency of 99.5%at 0.5 C after 100 cycles and stable cycling performance for 300 cycles at 1 C(1 C=1675 mAg^-1).This study reports a new avenue to assemble a polymer binder with a single lithium-ion channel for solving the serious problem of energy attenuation of lithium-sulfur batteries. | Chaoqun Niu Jie Liu Tao Qian Xiaowei Shen Jinqiu Zhou Chenglin Yan | 2020 | National Science Review2020,7,2: | 3 |
| 6 | A reactive oxygen species burst causes haploid induction in maize显示文摘Haploid induction (HI) is an important tool in crop breeding. Phospholipase A1 (ZmPLA1)/NOT LIKE DAD (NLD)/MATRILINEAL (MTL) is a key gene controlling HI in maize;however, the underlying molecular mechanism remains unclear. In this study, to dissect why loss of ZmPLA1 function could mediate HI we performed a comprehensive multiple omics analysis of zmpla1 mutant anthers by integrating transcriptome, metabolome, quantitative proteome, and protein modification data. Functional classes of significantly enriched or differentially abundant molecular entities were found to be associated with the oxidative stress response, suggesting that a reactive oxygen species (ROS) burst plays a critical role in HI. In support of this, we further discovered that a simple chemical treatment of pollen with ROS reagents could lead to HI. Moreover, we identified ZmPOD65, which encodes a sperm-specific peroxidase, as a new gene controlling HI. Taken together, our study revealed a likely mechanism of HI, discovered a new gene controlling HI, and created a new method for HI in maize, indicating the importance of ROS balance in maintaining normal reproduction and providing a potential route to accelerate crop breeding. | Chenglin Jiang Ju Sun Rui Li Shijuan Yan Wei Chen Liang Guo Guochen Qin Pengcheng Wang Cheng Luo Wenjie Huang Qinghua Zhang Alisdair R.Fernie David Jackson Xiang Li Jianbing Yan | 2022 | Molecular Plant2022,15,6: | 2 |
| 7 | Temperature Field and Microstructural Formation of Semi-Solid AlSi_7Mg Alloy显示文摘The microstructural formation of the semi-solid AlSi7Mg alloy stirred by electromagnetic field is investigated together withthe tempeatre field of the stirred melt at continuously cooling. A impoat kinetic factor for primny a-Al nucleation is proposed. It isfound that a low temperatUre gradient exists in the electromagnetic stirred melt. This is why the first dendritic arms and secondary de-ndritic arms are refmed. Experimefltal results also show that the root remelting of secontw dendritic arms is an twortat mechanismfor the primary α-Al refmement. Strong electromagnetic stirring greatly reduces the composition supercooling in the melt and eliminatesprefedrig growth of the first dendritic arms. Therefore, many rosettes or spherical Primary α-Al phase particles form finally. | Weimin Mao Aimin Zhao Yan jun Li Chenglin Cui Feng Sun Xuryou Zhong(Material Science and Engineering School, University of Science and Technology Beijing, Beijing 100083, China) | 2000 | International Journal of Minerals,Metallurgy and Materials2000,14,2: | 2 |
| 8 | Insight into the reaction mechanism of sulfur chains adjustable polymer cathode for high-loading lithium-organosulfur batteries显示文摘Small molecules with adjustable sulfur atoms in the confined structure were acted as precursor for the synthesis of polymer cathodes for lithium-organosulfur batteries.Among them,poly(diallyl tetrasulfide)(PDATtS)delivered a high capacity of 700 mAh g^(-1),stable capacity retention of 85%after 300 cycles,high areal capacity~4 m Ah cm^(-2) for electrode with up to 10.3 mg cm^(-2) loading.New insight into the reaction mechanism of PDATtS electrode that radicals arisen from the homolytic cleavage of S-S bond in PDATtS reacted with Li+to generate thiolates(RSLi)and insoluble lithium sulfides(Li_(2)S)or lithium disulfide(Li_(2)S_(2))was clearly verified by in-situ UV/Vis spectroscopy,nuclear magnetic resonance(NMR)studies and density-functional theory(DFT)calculations.Therefore,based on the unique reaction mechanism,problems of rapid capacity fading due to the formation of soluble polysulfide intermediates and their serious shuttle effect in conventional lithium-sulfur(Li-S)batteries was totally avoided,realizing the dendrite-free lithium sulfur batteries.This study sets new trends for avenues of further research to advance Li-S battery technologies. | Jinqiu Zhou Xi Zhou Yawen Sun Xiaowei Shen Tao Qian Chenglin Yan | 2021 | Journal of Energy Chemistry2021,30,5: | 2 |
| 9 | Origin of Taiwan Canyon and its effects on deepwater sediment显示文摘The continental slope of the Taiwan Shoal, which has cultivated numerous submarine canyons, is located in a passive continental margin environment. However, the trend of the Taiwan Canyon, with its 45° intersection angle, is obviously different from that of the erosion valley downward along the continental slope. A distinct break is present in the lower segment of the Taiwan Canyon, which then extends from west to east parallel to the continental slope until finally joining the Manila Trench. By utilizing multiple-beam water depth data, high-resolution seismic data, and sediment cores, this study describes the topographic characteristics of the Taiwan Canyon and provides a preliminary discussion on the origin of the Taiwan Canyon and its effect on deepwater sediment. The terrain, landform, and sediment of the Taiwan Canyon exhibit segmentation characteristics. The upper segment is characterized primarily by erosion, downward cutting with a V shape, and wide development of sliding, slumping, and other gravity flow types. The middle segment is characterized mostly by U-shaped erosion-sedimentation transition and development of an inner levee. The lower segment is characterized primarily by sedimentation and development of a sediment wave. The bottom current has a significant reworking effect on the interior sediments of the canyon and forms reworked sands. The formation and evolution of the Taiwan Canyon is closely related to sediment supply, gravity sliding(slumping), faulting activities, and submarine impaling. Given the sufficient terrigenous clastic supply, the sediments along the continental shelf edge continuously proceed seaward; gliding and slumping in the front edge provide driving forces for the formation of the canyon. Faulting activities result in stratum crushing, and the gravity flow takes priority in eroding the relatively fragile stratum. Thus, the direction of the extension of the canyon crosses the surrounding erosion valley obliquely. Seamounts are formed through submarine impaling. Owing to seamount blocking, the lower segment of the canyon is turned toward the east–west direction. Large amounts of sediments overflow at the turning, forming sediment waves. | XU Shang WANG YingMin PENG XueChao ZOU HuaYao QIU Yan GONG ChengLin ZHUO HaiTeng | 2014 | Science China Earth Sciences2014,57,11: | 2 |
| 10 | Loading Fe3O4 nanoparticles on paper-derived carbon scaffold toward advanced lithium-sulfur batteries显示文摘Lithium-sulfur batteries(LSBs) are regarded as a competitive next-generation energy storage device.However, their practical performance is seriously restricted due to the undesired polysulfides shuttling.Herein, a multifunctional interlayer composed of paper-derived carbon(PC) scaffold, Fe3O4 nanoparticles,graphene, and graphite sheets is designed for applications in LSBs. The porous PC skeleton formed by the interweaving long-fibers not only facilitates fast transfer of Li ions and electrons but also provides a physical barrier for the polysulfide shuttling. The secondary Fe3O4@graphene component can reduce the polarization, boost the attachment of polysulfides, and promote the charging-discharging kinetics. The outer graphitic sheets layers benefit the interfacial electrochemistry and the utilization of S-containing species.The efficient obstruction of polysulfides diffusion is further witnessed via in situ ultraviolet-visible characterization and first-principles simulations. When 73% sulfur/commercial acetylene black is used as the cathode, the cell exhibits excellent capacity retention with high capacities at 0.5 C for 1000 cycles and even up to 10 C for 500 cycles, an ultrahigh rate capability up to 10 C(478 m Ah g-1), and a high arealsulfur loading of 8.05 mg cm-2. The strategy paves the way for developing multifunctional composites for LSBs with superior performance. | Jianmei Han Qiang Fu Baojuan Xi Xuyan Ni Chenglin Yan Jinkui Feng Shenglin Xiong | 2021 | Journal of Energy Chemistry2021,30,1: | 2 |
| 11 | Novel self - assembled MgO nano - sheet and its precursors 显示文摘 | Yan Chenglin Xue Dongfeng | 2005 | The Journal of Physical Chemistry B2005,109,12: | 1 |
| 12 | Polyhedral construction of hollow ZnO mierospheres by CO2 bubble templates显示文摘 | YAN Chenglin XUE Dongfeng | 2007 | Joumal of Alloys and Compounds2007,431,: | 1 |
| 13 | Hierarchically Designed SiOx/SiOy Bilayer Nanomembranes as Stable Anodes for Lithium Ion Batteries显示文摘 | Lin Zhang Junwen Deng Lifeng Liu Wenping Si Steffen Oswald Lixia Xi Manab Kundu Guozhi Ma Thomas Gemming Stefan Baunack Fei Ding Chenglin Yan Oliver G. Schmidt | 2014 | Adv Mater2014,,26: | 1 |
| 14 | Preparation of magnesium hydroxide nanoflowers显示文摘 | Yan Chenglin Xue Dongfeng Zou Longjiang | 2005 | Journal of Crystal Growth2005,282,34: | 1 |
| 15 | New insights on the age of the Mengyejing Formation in the Simao Basin,SE Tethyan domain and its geological implications显示文摘Knowledge on the origin and mechanism of the large potash formation in the southeast Tethyan tectonic domain are still under debate,one of which mainly due to the controversial ages of the potash-bearing strata.Here we present a detailed detrital zircon U-Pb geochronologic-magnetostratigraphic study of the potash-bearing Mengyejing(MYJ)Formation(Fm)from the Simao Basin.948 paleomagnetic cores and 4 detrital zircon U-Pb samples were collected from a 932-m thick Jiangcheng section.Thermal demagnetization isolated 857 primary characteristic remnant magnetization(ChRM)directions,indicated by positive reversals and fold tests and petrologic examinations.Seven normal and seven reversed polarity zones were identified and correlated well with chrons C27r to C34n of the geomagnetic polarity timescale(GPTS2012),yielding the first known age sequence of>112 to~63 Ma for the MYJ Fm.The ages for the potash bearing strata in the Simao commenced~20 Ma earlier than those in the adjacent Khorat basins,opposite to the traditional viewpoint that the former would rather correspond to the middle and lower parts of the latter.Given the paleogeographic reconstruction of likely a pan-Simao-Khorat basin during the Cretaceous,~85 Ma would be another important potential period for future potash exploration in the Simao Basin. | Maodu YAN Dawen ZHANG Xiaomin FANG Weilin ZHANG Chunhui SONG Chenglin LIU Jinbo ZAN Miaomiao SHEN | 2021 | Science China Earth Sciences2021,64,2: | 1 |
| 16 | Preparation of Magnesium Hydroxide Nanoflowers 显示文摘 | Yan Chenglin Xue Dongfeng Zou Longjiang | 2005 | Journal of Crystal Growth2005,282,: | 1 |
| 17 | Low-temperature Li-S batteries enabled by all amorphous con version process of organosulfur cathode显示文摘The high degree of crystallinity of discharging in termediates of Li-S batteries(Li_(2)S_(2)/Li_(2)S)causes a severe capacity attenuation at low temperatures.Herein,a sulfur-rich polymer is fabricated,which enables all the discharging in termediates to exist in an amorphous state without long-range order,promoti ng the substantial conversion of discharging intermediates and enhancing Li-S batteries'performance at low temperatures greatly.This cathode material exhibits excellent performance both at room and low temperatures.Even under an extremely low temperature(-40℃),the discharge capacity can remain 67% of that at room temperature.Besides,in-situ UV/Vis spectroscopy and density functional theory calculations reveal that this organosulfur cathode undergoes a new mechanism during discharge.Li_(2)S_(6) and Li_(2)S_(3) are the primary discharging intermediates that are quite different from conventional Li-S batteries.These results provide a new directi on for a broader range of applications of Li-S batteries. | Zhenkang Wang Xiaowei Shen Sijie Li Yuxuan Wu Tingzhou Yang Jie Liu Tao Qian Chenglin Yan | 2022 | Journal of Energy Chemistry2022,31,1: | 1 |
| 18 | Preparation of magnesium hydroxide nanoflowers 显示文摘 | Chenglin Yan Dongfeng Xue Longjiang Zoo | 2005 | Journal of Crystal Growth2005,282,: | 1 |
| 19 | Leptospirosis prevalence in Chinese populations in the last two decades显示文摘 | Chenglin Zhang Huan Wang Jie Yan | 2011 | Microbes and Infection2011,,4: | 1 |
| 20 | Polyhedral construction of hollow ZnO microspheres by CO2 bubble templates显示文摘 | YAN Chenglin XUE Dongfeng | 2007 | Journal of Alloys and Compounds2007,431,: | 1 |