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| 1 | Toward alkaline‑stable anion exchange membranes in fuel cells:cycloaliphatic quaternary ammonium‑based anion conductors显示文摘Anion exchange membrane(AEM)stability has been a long-standing challenge that limited the widespread development and adoption of AEM fuel cells(AEMFCs).The past five years have been a period of exceptional progress in the development of several alkaline-stable AEMs with remarkable both ex situ and in situ AEMFC stability.Certain cycloaliphatic quaternary ammonium(cQA)(mainly five-and six-membered)based AEMs appear to be among those having the most promising overall performance.In this review,we categorize cQAs as cage-like(such as quaternized 1,4-diazabicyclo[2.2.2]octane,(QDABCO)and quinuclidinium),non-cage-like(such as pyrrolidinium and piperidinium)and N-spirocyclic(such as 6-azonia-spiro[5.5]undecane(ASU)).The degradation mechanisms of categorized cQAs are first elucidated.Through an understanding of how the cations are attacked by strongly nucleophilic OH–,improved structural design of incorporating alkaline-stable cations into AEMs is facilitated.Before a detailed description and comparison of the alkaline stability of cQAs and their respective AEMs,current protocols for the assessment of alkaline stability are discussed in detail.Furthermore,the initial AEMFC performance and fuel cell performance stability based on cQA AEMs are also examined.The main focus and highlight of this review are recent advances(2015–2020)of cQA-based AEMs,which exhibit both excellent cation and membrane alka-line stability.We aim to shed light on the development of alkaline-stable cQA-type AEMs,which are trending in the AEM community,and to provide insights into possible solutions for designing long-lived AEM materials. | Jiandang Xue Junfeng Zhang Xin Liu Tong Huang Haifei Jiang Yan Yin Yanzhou Qin Michael D.Guiver | 2022 | Electrochemical Energy Reviews2022,5,2: | 2 |
| 2 | Epithelial‐to‐mesenchymal transition and estrogen receptor α mediated epithelial dedifferentiation mark the development of benign prostatic hyperplasia显示文摘 | Rui Shao Jiandang Shi Haitao Liu Xiaoyu Shi Xiaoling Du Helmut Klocker Chung Lee Yan Zhu Ju Zhang | 2014 | Prostate2014,,9: | 1 |
| 3 | Proslaglandin E2 in- duces stromal celt derived factor - 1 expression in pnstate stromal cells by activating protein kinase a and transcription factor Spl 显示文摘 | Peng Yanfei Shi Jiandang Du Xiaoling | 2013 | The International Journal of Biochemistry & Cell Biology2013,45,3: | 1 |
| 4 | Prostaglandin E2 in- duces stromal cell - derived factor - 1 expression in prostate stromal cells by activating protein kinase A and transcription factor Spl 显示文摘 | Peng Yanfei Shi Jiandang Du Xiaoling | 2013 | The International Journal of Biochemistry & Cell Biology2013,45,3: | 1 |
| 5 | Ultra-short-course chemotherapy for spinal tuberculosis: five years of observation显示文摘 | Zili Wang Jiandang Shi Guangqi Geng Hongyan Qiu | 2013 | European Spine Journal2013,,2: | 1 |
| 6 | Multi-parameter quantitative assessment of 3D geological models for complex fault-block oil reservoirs显示文摘In the field of 3 D geologic modeling, researchers often pay more attention to modeling methods and workflows, but neglect the quantitative evaluation of models. If the evaluation is narrowed to the same reservoir type, the comparability and practicality of quantitative assessment will be emerging. The evaluation system should include three parts: data verification, geological understanding and process check. Data verification mainly involves testing the accuracy of local prediction with actual data, and geological understanding is to examine whether the global estimation honors geological principles and prior insights. Process check is also indispensable to avoid occasionality. To this end, we produced a set of assessment criteria, taking complex fault-block sandstone oil reservoir as an example. To be specific, thirteen characteristic parameters were totally selected, setting weights according to their rated importance, formulating three-level evaluation standards in a centesimal system for each characteristic parameter, and obtaining the final assessment based on the cumulative score. The results indicate that such evaluation can not only access the quality of the model objectively and comprehensively, but also identify the aspects in need of improvement through the deduction items. | TAN Xuequn LIU Yunyan ZHOU Xiaozhou LIU JiANDang ZHENG Rongchen JIA Chao | 2019 | Petroleum Exploration and Development2019,46,1: | 1 |
| 7 | A New MSPQC System for rapid Detection of Pathogens in Clinical Samples显示文摘 | He Fengjiao Zhang Xiaoqing Zhou Jiandang | 2006 | Journal of Microbiological Methods2006,66,1: | 1 |
| 8 | Systematic preparation of polyoxometalate pillared layered double hydroxides via direct aqueous reaction显示文摘 | Wang Jiandang Tian Ying Wang Ren Chain | 1991 | Mater Res Soc Symp Proc1991,233,: | 1 |
| 9 | Long-range gene regulation network of the MGMT enhancer modulates glioma cell sensitivity to temozolomide显示文摘Approximately 80%of primary tumors in the central nervous system are malignant glioma,and>50%of those are diagnosed as glioblastoma(GBM),the most aggressive glioma.Despite treatment advances,GBM prognosis is unsatisfying,and the median survival time of patients is only 14-17 months. | Bohan Chen Anshun He Jinfang Bi Shupeng Sun Yiping Ma Wenbin Wang Dianhao Guo Jun Chen Yuyang Qian Tengfei Shi Guohui Nie Zhongfang Zhao Jiandang Shi Hongzhen Yang Lei Zhang Wange Lu | 2021 | Journal of Genetics and Genomics2021,48,10: | 1 |
| 10 | Surviving Flying Tigers and Their Enduring Spirit:an Unforgettable Meeting with Survivors显示文摘On the evening of September 4,on behalf of General Fang Fenghui,chief of the PLA General Staff,I met some members of the legendary Flying Tigers of World WarⅡ.An Exciting Conversation Decorative lanterns illuminated Chang*an Avenue,greeting a | Li Jiandang | 2015 | Voice of Friendship2015,,4: | 0 |
| 11 | Atmospheric CO_(2) capture and photofixation to near-unity CO by Ti^(3+)-V_(o)-Ti^(3+) sites confined in TiO_(2) ultrathin layers显示文摘To realize efficient atmospheric CO_(2) chemisorption and activation,abundant Ti^(3+) sites and oxygen vacancies in TiO_(2) ultrathin layers were designed.Positron annihilation lifetime spectroscopy and theoretical calculations first unveil each oxygen vacancy is associated with the formation of two Ti^(3+)sites,giving a Ti^(3+)-V_(o)-Ti^(3+) configuration.The Ti^(3+)-V_(o)-Ti^(3+) sites could bond with CO_(2) molecules to form a stable configuration,which converted the endoergic chemisorption step to an exoergic process,verified by in-situ Fourier-transform infrared spectra and theoretical calculations.Also,the adjacent Ti^(3+)sites not only favor CO_(2) activation into COOH*via forming a stable Ti^(3+)–C–O–Ti^(3+) configuration,but also facilitate the rate-limiting COOH^(*)scission to CO^(*)by reducing the energy barrier from 0.75 to 0.45 e V.Thus,the Ti^(3+)-V_(o)-TiO_(2) ultrathinlayers could directly capture and photofix atmospheric CO_(2) into near-unity CO,with the corresponding CO_(2)-to-CO conversion ratio of ca.20.2%. | Liang Liang Peiquan Ling Yuhuan Li Li Li Jiandang Liu Qiquan Luo Hongjun Zhang Qian Xu Yang Pan Junfa Zhu Bangjiao Ye Yongfu Sun | 2021 | Science China Chemistry2021,64,6: | 0 |
| 12 | Insights into the dual-roles of alloying elements in the growth of Sn whiskers显示文摘The growth of Sn whiskers from Ti_(2)SnC/Sn-X(X=Sn,Bi,Pb,Ga)samples was studied in this work to understand the effect of alloying elements on whiskering behaviors.The mobility of source Sn atoms relating with the formation and migration of defects was found to be the critical factor dominating the growth rate,with the gathering of which to grow whiskers on the surface acts as an effective means to lower the enthalpy.As a result,the source Sn atoms would migrate to whisker root spontaneously,making the growth of whiskers the nature of materials,and external factors like compressive stress or oxidation are no more necessary but facilitate the whiskering process by promoting the mobility of source Sn atoms. | Yan Zhang Chengjie Lu Yun Dong Min Zhou Jiandang Liu Hongjun Zhang Bangjiao Ye ZhengMing Sun | 2022 | Journal of Materials Science & Technology2022,,22: | 0 |