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| 1 | Effect of coal levels during direct reduction roasting of high phosphorus oolitic hematite ore in a tunnel kiln显示文摘The effect of coal levels on phosphorus removal from a high phosphorus oolitic hematite ore after direct reduction roasting have been investigated. Raw ore, coal, and a dephosphorization agent were mixed and the mixture was then roasted in a tunnel kiln. The roasted products were treated by two stages of grinding followed by magnetic separation. XRD and SEM-EDS examination of the products was used to analyze differences in the roasted products. The results show that coal is one of the most important factors affecting the direct reduction roasting process. When the inner coal levels increased from 0% to 15% the iron grade decreased linearly from 94.94% to 88.81% and the iron recovery increased from 55.94% to 92.94%. At the same time the phosphorus content increased from 0.045% to 0.231%. Increasing the inner coal levels also caused more hematite to be reduced to metallic iron but the oolitic structure of the roasted product was preserved in the presence of high coal loading. The phase of the phosphorus in raw ore was not changed after direct reduction roasting. The effect of coal on the phosphorus content in the H-concentrate arises from changes in the difficulty of mechanically liberating the metallic iron from the phosphorus bearing minerals. | Li Yongli Sun Tichang Zou Anhua Xu Chengyan | 2012 | International Journal of Mining Science and Technology2012，22，3： | 22 |
| 2 | High-density genetic map construction and identification of loci controlling flower-type traits in Chrysanthemum(Chrysanthemum×morifolium Ramat.)显示文摘Flower type is an important and extremely complicated trait of chrysanthemum.The corolla tube merged degree(CTMD)and the relative number of ray florets(RNRF)are the two key factors affecting chrysanthemum flower type.However,few reports have clarified the inheritance of these two complex traits,which limits directed breeding for flower-type improvement.In this study,305 F1 hybrids were obtained from two parents with obvious differences in CTMD and RNRF performance.Using specific-locus amplified fragment sequencing(SLAF-seq)technology,we constructed a high-density genetic linkage map with an average map distance of 0.76 cM.Three major QTLs controlling CTMD and four major QTLs underlying RNRF were repeatedly detected in the 2 years.Moreover,the synteny between the genetic map and other Compositae species was investigated,and weak collinearity was observed.In QTL regions with a high degree of genomic collinearity,eight annotated genes were probed in the Helianthus annuus L.and Lactuca sativa L.var.ramosa Hort.genomes.Furthermore,20 and 11 unigenes were identified via BLAST searches between the SNP markers of the QTL regions and the C.vestitum and C.lavandulifolium transcriptomes,respectively.These results lay a foundation for molecular marker-assisted breeding and candidate gene exploration in chrysanthemum without a reference assembly. | Xuebin Song Yuhui Xu Kang Gao Guangxun Fan Fan Zhang Chengyan Deng Silan Dai He Huang Huaigen Xin Yingying Li | 2020 | Horticulture Research2020，7，1： | 5 |
| 3 | Efficient recovery of valuable metals from waste printed circuit boards by microwave pyrolysis显示文摘The recycling of waste printed circuit board(WPCBs) is of great significance for saving resources and protecting the environment. In this study, the WPCBs were pyrolyzed by microwave and the contained valuable metals Cu, Sn and Pb were recovered from the pyrolyzed WPCBs. The effect of pyrolysis temperature and time on the recovery efficiency of valuable metals was investigated. Additionally, the characterization for morphology and surface elemental distribution of pyrolysis residues was carried out to investigate the pyrolysis mechanism. The plastic fiber boards turned into black carbides, and they can be easily separated from the metals by manual. The results indicate that 91.2%, 96.1% and 94.4% of Cu, Sn and Pb can be recovered after microwave pyrolysis at 700 °C for 60 minutes. After pyrolysis, about 79.8%(mass)solid products, 11.9%(mass) oil and 8.3%(mass) gas were produced. These gas and oil can be used as fuel and raw materials of organic chemicals, respectively. This process provides an efficient and energy-saving technology for recovering valuable metals from WPCBs. | Yubo Liu Jialiang Zhang Xu Yang Wenguang Yang Yongqiang Chen Chengyan Wang | 2021 | Chinese Journal of Chemical Engineering2021，34，12： | 2 |
| 4 | Hybrid dual-channel phototransistor based on ID t-Se and 2D ReS2 mixed-dimensional heterostructures显示文摘The com bination of mixed-dimensional semiconducti ng materials can provide additional freedom to construct integrated n anoscale electronic and optoelectronic devices with diverse functionalities. In this work, we report a high-performanee dual-channel phototransistor based on one-dimensional (1D)/two-dimensional (2D) trigonal selenium (t-Se)/ReS2 heterostructures grown by chemical vapor deposition. The injection and separati on efficie ncy of photoge nerated electro n-hole pairs can be greatly improved due to the high-quality in terfacial con tact betwee n t-Se nano belts and ReS2 films. Compared with bare ReS2 film devices, the dual-cha nnel phototra nsistor based on t-Se/ReS2 heterostructure exhibits considerable enhancement with the responsivity (R) and detectivity (D^*) up to 98 A·W^-1 and 6 x 10^10 Jones at 400 nm illumination with an in tensity of 1.7 mW·cm^-2, respectively. Besides, the respo nse time can also be reduced by three times of magnitude to less than 50 ms due to the type-11 band alignment at the in terface. This study opens up a promising ave nue for high-performa nee photodetectors by constructing mixed-dimensional heterostructures. | Jingkai Qin Hang Yan Gang Qiu Mengwei Si Peng Miao Yuqin Duan Wenzhu Shao Liang Zhen Chengyan Xu Peide D Ye | 2019 | Nano Research2019，12，3： | 2 |
| 5 | Effect of Na2CO3 and CaCO3 on Coreduction Roasting of Blast Furnace Dust and High-phosphorus Oolitic Hematite显示文摘Iron was recovered from blast furnace dust and high-phosphorus oolitic hematite in the presence of Na_2CO_3 and CaCO_3 additives. The functions of Na_2CO_3 and CaCO_3 during the coreduction roasting process were investigated by XRD and SEM-EDS analyses. Results indicate that these additives not only hinder the reduction of fluorapatite, CaCO_3 also decreases the P content of direct reduced iron(DRI) by increasing the reduction alkalinity. P remains as fluorapatite in the slag, which can be removed by grinding and magnetic separation under optimal conditions. The Na_2CO_3 promotes hematite reduction and improves the iron recovery(εFe) by replacing the FeO from fayalite, which results in quick growth and aggregation of metallic iron and improvement of ε_(Fe) in DRI. A DRI with 91.88 mass% Fe, and 0.065 mass% P can be achieved at a recovery of 87.86 mass% under the optimal condition. | 曹允业 孙体昌 KOU Jue XU Chengyan GAO Enxia | 2017 | Journal of Wuhan University of Technology(Materials Science)2017，32，3： | 2 |
| 6 | Evidence for metasomatic mantle carbonatitic magma extrusion in Mesoproterozoic ore-hosting dolomite rocks in the middle Kunyang rift, central Yunnan, China显示文摘The Kunyang rift lying on the western margin of the Yangtze platform is a rare Precambrian Fe-Cu mineralization zone. WudingLufeng basin that is an important part of the zone is located on the west edge in the middle of the rift. The most important ore-hosting rocks are Mesoproterozoic dolomite rocks in the basin controlled by a ring fracture system, which is a fundamental structure of the basin. Plenty of silicate minerals and acicular apatite, feldspar phenocrysts and small vesicular, flown line and flown plane structures, melt inclusion and high temperature fluid inclusion found in most ore-hosting dolomites suggest that this kind of rocks could not be sedimentary dolomite, marble or hydrothermal carbonate rocks. The Zr/Hf and Nb/Ta values of the rocks are identical with those of associated mantle-derived rocks, and vary widely. For the monomineral dolomite, d18OSMOW‰ = +5.99 to +18.4 and d13CPDB‰ = à3.01 to +0.94, which fall within the range for all carbonatitic volcanic rocks of the world. As for the accessory minerals, the values of d18OSMOW‰ of magnetite (=+3.47 to +5.99‰) are close to that of the mantle (<5.7%), and the d34S‰ values of sul?des (à5.09 to +5.78, averaging +1.50) are close to that of meteorite. For all the ore-bearing dolomite rocks, eNd = +0.19 to +2.27, and the calculated ISr = 0.699143, while for the associated mantle-derived rocks, eNd = +3.18 to +3.72. All the data suggest that the mineral assemblage is not only igneous but also of metasomatic mantle origin. And the presence of acicular apatite indicates that the rocks were formed by magma rapidly cooling. And the phenocryst texture and vesicular, flown and ropy and pyroclastic structures suggest that the igneous rocks were extrusive. Therefore, the ore-bearing dolomite rocks are carbonatitic volcanic rocks. This conclusion implies that most iron and copper ore deposits hosted in the dolomite rocks should be of the carbonatite type. | Yongbei Zhang Hua Bi Longshi Yu Shihua Sun Jiaxiang Qiu Chengyan Xu Hao Wang Renjing Wang | 2008 | Progress in Natural Science:Materials International2008，18，8： | 2 |
| 7 | Synthesis of single crystalline niobate nanorods via ion-exchange based on molten-salt reaction显示文摘 | Chengyan Xu Liang Zhen Rusen Yang and Zhong Lin Wang | 2007 | Journal of American Ceramic Society2007，129，15： | 1 |
| 8 | Mechanism of phosphorus removal in beneficiation of high phosphorus oolitic hematite by direct reduction roasting with dephosphofization agent 显示文摘 | Xu Chengyan Sun Tichang Kou Jue | 2012 | Transaction of Nonferrous Metals Society of China2012，11，22： | 1 |
| 9 | Mechanism of phosphorus removal in heneficiation of high phosphorous oolitic hematite by direct reduction roasting with dephosphorization agent 显示文摘 | XU Chengyan SUN Tichang KOU Jue | 2012 | Transactions of NonferrousMetals Society of China2012，，22： | 1 |
| 10 | An Integration Strategy to Develop Dual-State Luminophores with Tunable Spectra,Large Stokes Shift,and Activatable Fluorescence for High-Contrast Imaging显示文摘Developing dual-state luminophores(DSLs)with strong fluorescence in both the monomer and aggregate states is urgently needed but remains a huge challenge because most current luminophores are either aggregation-induced emission or aggregation-caused quenching molecules.Moreover,limited by the structural conservation of the few existing DSLs,there are not enough response sites that can be used to customize various activatable fluorescent probes for specific molecular imaging.Herein,we engineered a general integration strategy for the fabrication of such DSLs with excellent photophysical properties.The DSLs,with their tunable spectra,a large Stokes shift(>170 nm),and achievable near-infrared(NIR)emission,show great potential for high-contrast imaging.Importantly,DSLs can be used as a universal platform for probe customization due to their activatable fluorescence through protection-deprotection of the phenolic hydroxyl group.Based on this,an NIR fluorescent probe DSL-Gal was developed for sensing of β-galactosidase in solutions,senescent cells,and liver metastases with high contrast,further confirming the superiority and universal feasibility of DSLs in probe design.The integration strategy may provide a novel approach for the generation of other DSLs and have great potential applications in bioimaging. | Yongchao Liu Lili Teng Chengyan Xu Tian-Bing Ren Shuai Xu Xiaofeng Lou Lin Yuan Xiao-Bing Zhang | 2022 | CCS Chemistry2022，4，6： | 1 |
| 11 | Substantial thermoelectric enhancement achieved by manipulating the band structure and dislocations in Ag and La co-doped SnTe显示文摘Eco-friendly SnTe based thermoelectric materials are intensively studied recently as candidates to replace PbTe;yet the thermoelectric performance of SnTe is suppressed by its intrinsically high carrier concentration and high thermal conductivity.In this work,we confirm that the Ag and La co-doping can be applied to simultaneously enhance the power factor and reduce the thermal conductivity,contributing to a final promotion of figure of merit.On one hand,the carrier concentration and band offset between valence bands are concurrently reduced,promoting the power factor to a highest value of-2436μW·m^(-1)·K^(-2) at 873 K.On the other hand,lots of dislocations(~3.16×10^(7)mm^(-2))associated with impurity precipitates are generated,resulting in the decline of thermal conductivity to a minimum value of 1.87 W·m^(-1)·K^(-1) at 873 K.As a result,a substantial thermoelectric performance enhancement up to zT≈1.0 at 873 K is obtained for the sample Sn0.94Ag0.09La0.05Te,which is twice that of the pristine SnTe(zT≈0.49 at 873 K).This strategy of synergistic manipulation of electronic band and microstructures via introducing rare earth elements could be applied to other systems to improve thermoelectric performance. | Wenjing XU Zhongwei ZHANG Chengyan LIU Jie GAO Zhenyuan YE Chunguang CHEN Ying PENG Xiaobo BAI Lei MIAO | 2021 | Journal of Advanced Ceramics2021，10，4： | 1 |
| 12 | Profiling of Ubiquitination Modification Sites in Talin in Colorectal Carcinoma by Mass Spectrometry显示文摘Talin protein was partially purified from human colorectal carcinoma tissues, which was subject to tryptic digestion. Immunoaffinity precipitation with specific antibodies that recognize diglycyl-lysine(Lys) remnants from tryptic digestion of ubiquitinated peptides was used to enrich ubiquitinated sites in talin. Mass spectrometry coupled with capillary reverse-phase high-performance liquid chromatography was used to analyze tlie enriched peptides. Specifically, four peptides containing diglycyl-Lys remnants from talin, namely, TAK(ub)VLVEDTK, QQQYK(ub) FLPSELRDEH, K(ub)STVLQQQYNR, and EGILK(ub)TAK can be determined using mass spectrometric data. This study provides an analytical method for further study in tlie relationship between ubiquitination modification of talin and its biological activity in colorectal cancer tissues with different pathological processes. | WANG Ke QIAO Lu LI Xiaoou LI Shimeng WANG Yimin XU Xuesong HE Chengyan FANG Ling | 2019 | Chemical Research in Chinese Universities2019，35，3： | 0 |
| 13 | Improving ModeⅡdelamination resistance of curved CFRP laminates by a Pre-Hole Z-pinning(PHZ)process显示文摘This paper presents an experimental investigation of the ModeⅡdelamination resistance of curved CFRP laminates reinforced with Z-pins.A Pre-Hole Z-pinning(PHZ)process is developed to reduce the in-plane damage of the Z-pinned laminates.The microstructural observation of the Z-pinned laminate specimens indicates that the PHZ process can effectively decrease the defects including the Z-pin offset angle and the area of eyelet zone.The influences of the volume fraction and diameter of Z-pin on the fracture toughness and the delamination crack growth rate of the specimens under End Notch Flexure(ENF)loading are then determined experimentally.The test results show that Z-pin increases the interlayer stiffness of the laminate.The delamination crack growth rate is reduced with the increase of Z-pin diameter and volume fraction,and a reduction up to 40%is achieved compared with the specimens without pins.Furthermore,the ModeⅡfracture toughness is significantly improved with the increase of Z-pin volume fraction.When Z-pin volume fraction increases by 1%,the achieved fracture toughness is about 200%higher compared to the unpinned laminates. | Xuebei TENG Yingjie XU Weihong ZHANG Xinyu HUI Weiwei LIU Chengyan MA | 2023 | Chinese Journal of Aeronautics2023，36，2： | 0 |
| 14 | Recent advances in organic-dye-based photoacoustic probes for biosensing and bioimaging显示文摘Photoacoustic imaging(PAI) is a non-destructive biomedical imaging technology with broad application prospects. PAI combines the advantages of optical imaging and ultrasound imaging with high selectivity and deep penetration to overcome the high scattering limitation of light in tissues. This emerging technology also achieves high-resolution and high-contrast imaging of deep tissue in vivo. Recently, photoacoustic(PA) probes based on organic dyes have emerged prominently in biosensing and bioimaging due to their excellent optical properties and structural adaptability. This paper gives an outline of the basic PAI principles and focuses on the application of organic-dye-based PA probes for molecular detection and in vivo imaging. The advantages of PAI technology and the drawbacks of current PA probes are then summarized. Finally, the prospects for application are evaluated considering the potential challenges in the biomedical fields. | Yongchao Liu Lili Teng Hong-Wen Liu Chengyan Xu Haowei Guo Lin Yuan Xiao-Bing Zhang Weihong Tan | 2019 | Science China Chemistry2019，62，10： | 0 |
| 15 | A supersaturated Cu-Ag nanoalloy joint with ultrahigh shear strength and ultrafine nanoprecipitates for power electronic packaging显示文摘Ag-Cu bimetallic nanoalloy,integrating the advantages of reducing migration and cost of nano-Ag and alleviating oxidation of nano-Cu,is a prospective bonding material for power electronic packaging.The Ag-coated Cu nanoparticles(Cu@Ag NPs)paste can execute bonding with high quality at 250℃,and the achieved supersaturated Ag-Cu nanoalloy joint with ultrahigh shear strength(152 MPa)dramatically exceeds most nano-paste joints.The interstitial solid solutions with atomic-level metallurgical bonds at the interface dominantly promoted the shear strength.Besides,the numerous ultrafine nanograin,high proportion of low angle grain boundaries(7.44%)without deformation,and the Cu nanoprecipitates in the joint would improve subordinately.Furthermore,the high content(16.8%)of∑3 twin boundaries would contribute to the electrical and thermal conductivity.Thus,the multiple strengthening mechanisms with the solid solution,the second precipitated phase,and ultrafine nanograin can dramatically enhance shear strength and electro-thermal conductivity of joints for high-temperature device packaging. | Wenwu Zhang Penghao Zhang Dashi Lu Hao Pan Xiangli Liu Chengyan Xu Jun Wei Mingyu Li Hongjun Ji | 2023 | Journal of Materials Science & Technology2023，，14： | 0 |
| 16 | 天然腐植酸光热剂显示文摘腐植酸是天然有机碳源的主要组成部分,是微生物对动植物残体进行生物降解而自然形成的。由于腐植酸含有许多具有生理活性的组分(如酚类、羧酸类和醌类),因此,腐植酸的生物医学应用研究在不同文化背景下已历经了几个世纪甚至更长的时间。在本研究中,基于近红外区域的本征吸收,腐植酸钠(腐植酸的钠盐)被研究开发成一种光热剂,用于光诱导光声成像和光热治疗。纯化的腐植酸钠胶体具有高达76.3%的光热转换效率,远高于包括金纳米棒、Cu9S5纳米颗粒、锑烯量子点和黑磷量子点的大多数先进的光热剂,在体内外都有明显的光声增强作用。除此之外,对HeLa肿瘤的高效光热消融是通过瘤内注射实现的。令人惊喜的是,腐植酸钠在细胞和动物水平上显示出超低毒性。这项工作预示着腐植酸作为光介导治疗剂的巨大潜力,从而扩大了传统腐植酸在生物医学领域的应用范围。 | Zhaohua Miao Kai Li Peiying Liu Zhenglin Li Huanjie Yang Qingliang Zhao Manli Chang Qingzhu Yang Liang Zhen Chengyan Xu 李永健(译) 张敉(译) | 2022 | 腐植酸2022，，6： | 0 |
| 17 | 建立具有体内胚内和胚外发育潜能的多能干细胞显示文摘文章简介在已知的体外培养的干细胞类型当中,多能干细胞具有最高的发育潜能,能够形成构成成年个体的所有细胞类型。但是,多能干细胞很难在体内发育过程中形成胚外的胎盘组织。 | Yang Yang Bei Liu Jun Xu Jinlin Wang Jun Wu Cheng Shi Yaxing Xu Jiebin Dong Chengyan Wang Weifeng Lai Jialiang Zhu Liang Xiong Dicong Zhu Xiang Li Weifeng Yang Takayoshi Yamauchi Atsushi Sugawara Zhongwei Li Fangyuan Sun Xiangyun Li Chen Li Aibin He Yaqin Du Ting Wang Chaoran Zhao Haibo Li Xiaochun Chi Hongquan Zhang Yifang Liu Cheng Li Shuguang Duo Ming Yin 沈浣 Juan Carlos Izpisua Belmonte 邓宏魁 | 2018 | 科学新闻2018，0，4： | 0 |
| 18 | Few-layer WSe2 lateral homo-and hetero-junctions with superior optoelectronic performance by laser manufacturing显示文摘Lateral hetero-junctions are considered as potential candidate for building blocks in modern electronics and optoelectronics,however,the construction of which remains a challenge.In this work,by using a laser-assisted manufacture technique,WSe2/WO3-x hetero-junction and monolayer/trilayer WSe2 homo-junction with Schottky diode like behavior are fabricated,both of which present competitive performance for photodetection and power generation in a wide range of wavelengths from ultraviolet to infrared,with maximum photoresponsivity of 10 A/W,external quantum efficiency of 14%,and power conversion efficiency of 1.3%.Combined with Kelvin probe microscopy and electrical transport measurements,it is demonstrated that the barrier-induced built-in electric field at WSe2/WO3-x interface,and the energy band discontinuities at the monolayer/trilayer WSe2 interface facilitate the separation of photo-generated electron-hole pairs.Our work provides a solid step towards the controllable construction of lateral junctions by laser-assisted manufacture for exploiting van der Waals materials-based novel electronic and optoelectronic applications. | LI Yang YANG Jian ZHAN ZhaoYao WU Jumiati LI Hai ZHEN Liang HE QiYuan XU ChengYan | 2020 | Science China(Technological Sciences)2020，63，8： | 0 |
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