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| 1 | Mensuration of microstructure multi-fractal spectra of calcined limestone particle surfaces显示文摘The microstructure of the surface of a calcined limestone particle is multi-fractal.We develop an analytic method that surveys the boundary curve multi-fractal dimensions with SEM,gets a three-dimensional surface structureα-f(α)curve via zero-sets,and finally calculates the multi-fractal spectrum values of the particle surface's microstructural topography.After analyzing two spectra from limestone particles calcined at 850℃ and 900℃,it was shown that the microstructural topographies of the surfaces of calcined limestone multi-particle system have some degree of self-similarity.This mensuration method is proposed to describe the multi-fractal characteristics of a micro-scale particle's surface topography. | Jianyu Shang Songling Wang Chunbo Wang Chunchang Song | 2010 | Particuology2010，8，5： | 2 |
| 2 | The Burner Ar- rangement and the NOx Prom Boiler Flue Gas Emission Research 显示文摘 | WANG Chunchang WANG Dinghui | 2006 | Thermal Power Generation2006，，11： | 1 |
| 3 | Target-triggered deprotonation of 6-hydroxyindole-based BODIPY: specially switch on NIR fluorescence upon selectively binding to Zn2~显示文摘 | CAO Jian ZHAO Chunchang WANG Xuzhe | 2012 | Chemical Communications2012，48，79： | 1 |
| 4 | Die- lectric properties of TbMnO3 ceramics 显示文摘 | Wang Chunchang Cui Yimin Zhang Liuwan | 2007 | Appl Phys Lett2007，90，1： | 1 |
| 5 | Holocene loess and its deposition dynamics in the upper reaches of the Huaihe River显示文摘灰尘来源和搬运系统是在 loess-palaeosol 累积的进程的二个不可缺少的方面。黄土高原的灰尘主要来自西北的内陆 gobi 和沙漠,这被证明了,由东亚季风系统和 westerlies 搬运了。然而,几乎关于灰尘来源和 Huaihe 河的上面的活动范围的免职动力学没有小研究。在现在的学习,我们在 Huaihe 河的上面的活动范围与高分辨率调查了并且收集 YPC 节。按年代先后的框架被标明日期的光学地刺激的光(OSL ) 重建并且与出版黄土时间系列相关。由磁性的危险性( MS )和在 YPC 侧面, XJN 侧面(西方的黄土高原)和 JYC 侧面(南部的黄土高原)之中的黄土土壤侧面的谷物尺寸( GS )的比较,我们发现在 Huaihe 河和黄土高原的上面的活动范围之间的类似的气候变化和 pedogenic 过程,两个都在最后期间经历了干燥的极端和最弱的成土作用冰川,列在后面由一过渡事件从寒冷干燥对温暖潮湿的 mid-Holocene 和增加上次冰川但是在 Huaihe 河的上面的活动范围的黄土土壤侧面序列的 MS 是比在黄土高原的那些低得多的,并且 GS 是比在黄土高原的那些粗糙得多的。为这三侧面的 GS 的比较表明有不同灰尘来源,它属于不同风神的搬运系统。在 Huaihe 河的上面的活动范围的黄土是吹的风近的来源的免职,当更粗糙的灰尘主要来自松开的冲积存款时冲积并且黄河的 proluvial 扇子。Huaihe 河里的灰尘的让步并且带的动力学是东北风在冬季占优势半年。 | HE Zhong HUANG Chunchang ZHENG Hongbo ZHOU Jie PANG Jiangli LI Xinyan WANG Lijun | 2011 | Journal of Geographical Sciences2011，21，3： | 1 |
| 6 | Hydrogen Sulfide-Specific and NIR-Light-Controllable Synergistic Activation of Fluorescent Theranostic Prodrugs for Imaging-Guided Chemo- Photothermal Cancer Therapy显示文摘Theranostic prodrugs are promising for cancer medicine;however,the inability to activate these systems exclusively at the desired tumor location compromises the specificity and efficacy of cancer treatment.Here,we developed a fluorescent theranostic nanoprodrug with synergistic hydrogen-sulfidespecific and near-infrared(NIR)-light-controllable activation for imaging-guided chemo-photothermal cancer therapy.This nanoprodrug system was fabricated by the inclusion of hydrogen sulfide(H2S)-activatable small molecule to the theranostic prodrug and a photothermal transducer in the interior of a NIR-light-responsive container. | Ge Xu Wei Guo Xianfeng Gu Zhijun Wang Rongchen Wang Tianli Zhu He Tian Chunchang Zhao | 2020 | CCS Chemistry2020，2，4： | 1 |
| 7 | Dielectric anomalies in CaCu_3Ti_4O_(12) at high temperatures显示文摘We reported the dielectric properties of CaCu3Ti4O12 in the temperature range from room temperature to 800℃ and the frequency range from 20 Hz to 10 MHz.Apart from the widely reported dielectric anomaly occurring around 200℃,three additional dielectric anomalies were found.The new anomalies are very sensitive to electrode sintering conditions and annealing atmospheres,indicating that they are dependent not only on the electrode-sample contact but also on oxygen vacancies. | ZHANG MeiNi XU KeBiao WANG GuoJing WANG ChunChang | 2013 | Science China(Technological Sciences)2013，56，3： | 1 |
| 8 | Y 2 O 3 –BaO–SiO 2 –B 2 O 3 –Al 2 O 3 glass sealant for solid oxide fuel cells显示文摘 | Shouguo Huang Qiliang Lu Chunchang Wang | 2011 | Journal of Alloys and Compounds2011，，11： | 1 |
| 9 | Alkaline Phosphatase-Initiated Sensitive Responsiveness of Activatable Probes to Hydrogen Sulfide for Accurate Cancer Imaging and Differentiation显示文摘Optical imaging with molecular probes is becoming an essential tool for advancing biological research and clinical applications.However,most currently available molecular probes show limited sensitivity,specificity,and accuracy due to their typical responsiveness to a single stimulation for biomarker-based imaging.In this study,we develop a novel molecular probe that shows alkaline phosphatase(ALP)-instructed sensitive responsiveness to hydrogen sulfide for accurate cancer imaging and differentiation.This designed probe in an aggregated state under physiological conditions bears negatively charged surfaces,giving poor optical response to H_(2)S.The ALP-mediated dephosphorylation reaction yields an assembled product with a positively charged surface,affording significantly aggregation-enhanced responsiveness to H_(2)S with light-up NIR fluorescence at 755 nm.Such charge reversal of assembled probe from negative to positive plays a vital role in allowing precise visualization and differentiation of cancers based on differences in ALP upregulation and H_(2)S content.We envisage that our charge-reversal strategy for multiple-parameter-activated molecule probes will facilitate boosting the specificity and precision of cancer imaging. | Rongchen Wang Kai Yin Muye Ma Tianli Zhu Jinzhu Gao Jie Sun Xuemei Dong Chengjun Dong Xianfeng Gu He Tian Chunchang Zhao | 2022 | CCS Chemistry2022，4，12： | 0 |
| 10 | A dual-modality hydrogen sulfide-specific probe integrating chemiluminescence with NIR fluorescence for targeted cancer imaging显示文摘Taking apart in numerous physiological and pathological activities,hydrogen sulfide(H_(2)S)has been selected as an excellent target spot for the early diagnosis of cancer.So far,there are many mature probes that apply single optical imaging to monitor endogenous H_(2)S.Nevertheless,a single modality is not an ideal method to afford accurate diagnostic information in comprehensive biological organisms.Herein,we developed a dual-modal imaging probe BWS.This designed probe showed a specific response to H_(2)S with both chemiluminescence and NIR fluorescence light-up.The concurrence of fluorescence and chemiluminescence signal provided“double insurances”for highly accurate monitoring of H_(2)S.Satisfactorily,this dual-modal imaging probe performed precise visualization of endogenous H_(2)S in living cells and in vivo.We envisaged that this chemiluminescence/fluorescence real-time dual-modality strategy for H_(2)S detection will expand and optimize the multimodal imaging methods for efficient diagnosis and treatment of cancer. | Xuemei Dong Lixin Sun Ziwen Zhang Tianli Zhu Jie Sun Jinzhu Gao Chengjun Dong Rongchen Wang Xianfeng Gu Chunchang Zhao | 2023 | Science China Chemistry2023，66，6： | 0 |
| 11 | Research and Development of Hot Primary Air Heater for Coal-Fired Boilers in Power Plant显示文摘The reasons of introducing cold air into pulverizer are analyzed for boilers with large capacity and high parameters. The temperature rises of the exhaust gas are calculated when varying the amount of the cold air. The hot primary air heater, a new technology, is developed to eliminate the cold air from the pulverized coal system. The applications, advantages and disadvantages are introduced in detail for the new device and system. It is concluded that introducing cold air into pulverizer is one of the major factors that causes the exhaust gas temperature of boilers with large capacity to be high. The amount of the cold air could be reduced signif icantly, even to zero in some cases by adopting the hot primary air heater, which drops the exhaust gas temperature of the boiler effectively. The hot primary air heater, which could play part roles of the steam-air heater or the hot air recirculation system, could also be used to adjust the exhaust gas temperature within the range of 20 ℃ by controlling the flow rate of the cooling medium. Moreover, the startup period of the steam-air heater or the hot air recirculation system will be shortened, which is a unique advantage of the hot primary air heater among the measures to drop the exhaust gas temperature. | Wang Chunchang | 2011 | Electricity2011，22，3： | 0 |
| 12 | High energy storage properties in Ca_(0.7)La_(0.2)TiO_(3)-modified NaNbO_(3)-based lead-free antiferroelectric ceramics显示文摘In this work,(1−x)(0.92NaNbO_(3)-0.08BaTiO_(3))-xCa_(0.7)La_(0.2)TiO_(3)(NNBT-xCLT)ceramics were successfully designed and prepared by the solid-state reaction method.Investigations on the structure,dielectric,and energy storage properties were performed.The NNBT-0.25CLT ceramic with orthorhombic phase at room temperature was found to exhibit extremely small grain size and compacted microstructure.A large Wrec of 3.1 J/cm^(3) and a highηof 91.5%under the electric field of 360 kV/cm were achieved simultaneously in the sample.In addition,the energy storage performance of the sample exhibits thermal stability over the temperature range of 25-140°C and the frequency range of 5-500 Hz.The charge and discharge tests reveal that the ceramic shows a large current density CD of 965 A/cm2 and power density PD of 154 MW/cm^(3).This work demonstrates that the NNBT-0.25CLT ceramic is a prospective energy storage material for potential application in the field of pulsed power devices. | Cen Liang Changyuan Wang Wenjun Cao Hanyu Zhao Feng Li Chunchang Wang | 2023 | Journal of Advanced Dielectrics2023，13，1： | 0 |
| 13 | Efficient bio-assembled nanogenerator fabricated from chicken bone epidermis显示文摘Using biological self-powered materials as a new energy source to replace traditional batteries to power micro-electronic devices is a current research hotspot.We herein fabricate a piezoelectric bio-nanogenerator from chicken bones.The nanogenerator can output a voltage of 1.25 V and a current of 9 nA after being subjected to a pressure of 30 N.This research facilitates an in-depth understanding of bio-nanogenerators and provides a new strategy for reusing bio-waste. | Yanran MA Yongfa WANG Li LI Chunchang WANG | 2022 | Research and Application of Materials Science2022，4，1： | 0 |
| 14 | Hantzsch Ester Modified Asymmetric BODIPY Probe with Ultra-high Sensitivity for Ultra-fast Detection of Endogenous Hypochlorite in Living Cells显示文摘Hypochlorite(ClO^(-))is an important reactive oxygen species produced by the immune system to fight off invading pathogens,but its over-expression can interfere with normal physiological process and induce serious diseases.Although a variety of molecular probes have been reported for detecting ClO^(-),the development of advanced fluorescent tools with faster response and higher sensitivity to precisely monitor ClO^(-)remains a challenge.In this work,two Hantzsch ester(a derivative of 1,4-dihydropyridine)derived fluorescent probes MeDHP-BCl and MeDHP-PhBCl were constructed based on asymmetric BODIPY-matrix.These probes exhibit significant fluorescence turn-on in the ultra-sensitive(detection limit<1 nmol/L)and ultra-fast response(≤5 s)to ClO^(-).The reaction has been determined to be a highly selective N-chlorination of Hantzsch ester which cannot be activated by various common bioactive species,including nitric oxide(NO)that could oxidize Hantzsch ester under aerobic physiological conditions in most reports.MeDHP-PhBCl possessed a relatively longer fluorescence emission wavelength and higher quantum yield after activation,while more notably,MeDHP-BCl displayed lower cytotoxicity and more remarkable fluorescence increment in the response to ClO^(-),enabling selective and precise visualization of endogenous ClO^(-)over-expression in living RAW264.7 cells. | Tianli Zhu Mengting Zhao Rongcheng Wang Chenjun Dong Xuemei Dong Jie Sun Lixin Sun Chunchang Zhao | 2023 | Chinese Journal of Chemistry2023，41，23： | 0 |
| 15 | Internal magnetic-field-enhanced photogenerated charge separation in ferromagnetic TiO_(2)surface heterojunctions显示文摘The use of the internal magnetic field of ferromagnets can effectively promote charge separation and transfer(CST)in photoelectrochemical energy conversion.However,photoelectrochemical materials with a ferromagnetic field are scarce,and the internal magnetic field is negligible in nonferromagnetic mate-rials.To address this issue,we propose a rational method for preparing ferromagnetic TiO_(2)powder using controllable oxygen vacancies in anatase TiO_(2)with co-exposed{001}and{101}facets.Accordingly,an ex-cellent saturation magnetisation of 0.0014 emu/g in TiO_(2)is achieved owing to an asymmetric and uneven charge distribution.Compared with that of nonferromagnetic TiO_(2),the efficiency of photocatalytic hydro-gen generation of ferromagnetic TiO_(2)is improved by 0.64 times.The enhancement of photocatalytic hy-drogen generation is due to the different forces exerted on the electrons and holes in the magnetic field,which significantly improve the photogenerated CST efficiency of ferromagnetic TiO_(2).This result high-lights the significant role of the synergistic regulation of the crystal structure and defects in regulating the ferromagnetic characteristics of materials.The findings of this study provide guidance for leveraging point defects to promote CST for high-efficiency solar-energy conversion systems. | Guojing Wang Shirong Xiong Yonghui Chen Chunchang Wang Shasha Lv Ke Jia Yunjie Xiang Jianbo Liu Chong Liu Zhengcao Li | 2023 | Journal of Materials Science & Technology2023，，29： | 0 |
| 16 | High depolarization temperature and superior piezoelectric performance with complex structural evolution in BiFeO_(3)-PbTiO_(3)-(Sr0.7Bi0.2,0.1)TiO_(3) systems显示文摘Bismuth ferriteebased ferroelectric ceramics are considered strong competitors in highetemperature piezoelectric applications that benefits from their high depolarization temperature(Td),but problems of large conductivity and low piezoelectric coefficient(d33)should be tackled.BiFeO_(3)ePbTiO_(3)ex(Sr0.7Bi0.2,0.1)TiO_(3)(BFePTexSBT)ternary system are designed in this work that successfully resolves this tough paradox.Rietveld refinements show that this system exhibits multiphase coexistence with complex structural transition among rhombohedral,tetragonal and pseudocubic phase.Interestingly,a high Td~320℃ and d33~236℃/N are synergistically optimized in x=0.20 composition near pseudoephase boundary,which are indicated by multiescale techniques(phase structure,dielectric analysis etc.).What'smore,dual electrostrain peaks appear at separate phase boundaries for x=0.20 and 0.66 compositions with distinct piezo/ferroelectric properties.Rayleigh law and piezoelectric force microscopy analysis clarify that the optimal electrostrain performance for both critical compositions are dominated by intrinsic(x=0.20)and extrinsic(x=0.66)contributions,respectively.This work not only provides a new BFePTexSBT system with a high Td and superior d33 that are promising candidates in highetemperature actuator and sensor applications,but also presents a possibility of multiphaseecoexistence established exotic macroscopic performances. | Hongwei Shi Feng Li Xinliang Yang Mingsheng Long Lei Shan Chunchang Wang Jiwei Zhai | 2022 | Journal of Materiomics2022，8，6： | 0 |
| 17 | Technical Measures and Selections for Reducing Flue Gas Heat Loss of Large Coal-Fired Boilers显示文摘The main technologies for reducing flue gas heat loss of pulverized coal-fired boilers are introduced, and the suitability of these technologies for boiler operation and the principles for selection of these technologies are explored. The main conclusions are: 1) the non-equilibrium control over flue gas flow rates at the inlet of the air heater and the reversal rotation of the air heater rotator should be popularized as regular technologies in large boilers; 2) increasing the area of the air heater to reduce the flue gas heat loss in pulverized coal-fired boilers should be the top option and increasing the area of the economizer be the next choice; 3) low-pressure economizer technology could save energy under special conditions and should be compared with the technology of increasing economizer area in terms of technical economics when the latter is feasible; 4) the hot primary air heater is only suitable to the pulverizing system with a large amount of cold air mixed. | Wang Chunchang | 2012 | Electricity2012，23，1： | 0 |
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