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| 1 | Future Physics Programme of BESⅢ显示文摘There has recently been a dramatic renewal of interest in hadron spectroscopy and charm physics. This renaissance has been driven in part by the discovery of a plethora of charmonium-like XYZ states at BESⅢ and B factories, and the observation of an intriguing proton-antiproton threshold enhancement and the possibly related X(1835) meson state at BESⅢ, as well as the threshold measurements of charm mesons and charm baryons. We present a detailed survey of the important topics in tau-charm physics and hadron physics that can be further explored at BESⅢ during the remaining operation period of BEPCⅡ. This survey will help in the optimization of the data-taking plan over the coming years, and provides physics motivation for the possible upgrade of BEPCⅡ to higher luminosity. | M.Ablikim M.N.Achasov P.Adlarson S.Ahmed M.Albrecht M.Alekseev A.Amoroso F.F.An Q.An Y.Bai O.Bakina R.Baldini Ferroli Y.Ban K.Begzsuren J.V.Bennett N.Berger M.Bertani D.Bettoni F.Bianchi J Biernat J.Bloms I.Boyko R.A.Briere L.Calibbi H.Cai X.Cai A.Calcaterra G.F.Cao N.Cao S.A.Cetin J.Chai J.F.Chang W.L.Chang J.Charles G.Chelkov Chen G.Chen H.S.Chen J.C.Chen M.L.Chen S.J.Chen Y.B.Chen H.Y.Cheng W.Cheng G.Cibinetto F.Cossio X.F.Cui H.L.Dai J.P.Dai X.C.Dai A.Dbeyssi D.Dedovich Z.Y.Deng A.Denig Denysenko M.Destefanis S.Descotes-Genon F.De Mori Y.Ding C.Dong J.Dong L.Y.Dong M.Y.Dong Z.L.Dou S.X.Du S.I.Eidelman J.Z.Fan J.Fang S.S.Fang Y.Fang R.Farinelli L.Fava F.Feldbauer G.Felici C.Q.Feng M.Fritsch C.D.Fu Y.Fu Q.Gao X.L.Gao Y.Gao Y.Gao Y.G.Gao Z.Gao B.Garillon I.Garzia E.M.Gersabeck A.Gilman K.Goetzen L.Gong W.X.Gong W.Gradl M.Greco L.M.Gu M.H.Gu Y.T.Gu A.Q.Guo F.K.Guo L.B.Guo R.P.Guo Y.P.Guo A.Guskov S.Han X.Q.Hao F.A.Harris K.L.He F.H.Heinsius T.Held Y.K.Heng Y.R.Hou Z.L.Hou H.M.Hu J.F.Hu T.Hu Y.Hu G.S.Huang J.S.Huang X.T.Huang X.Z.Huang Z.L.Huang N.Huesken T.Hussain W.Ikegami Andersson W.Imoehl M.Irshad Q.Ji Q.P.Ji X.B.Ji X.L.Ji H.L.Jiang X.S.Jiang X.Y.Jiang J.B.Jiao Z.Jiao D.P.Jin S.Jin Y.Jin T.Johansson N.Kalantar-Nayestanaki X.S.Kang R.Kappert M.Kavatsyuk B.C.Ke I.K.Keshk T.Khan A.Khoukaz P.Kiese R.Kiuchi R.Kliemt L.Koch O.B.Kolcu B.Kopf M.Kuemmel M.Kuessner A.Kupsc M.Kurth M.G.Kurth W.Kuhn J.S.Lange P.Larin L.Lavezzi H.Leithoff T.Lenz C.Li Cheng Li D.M.Li F.Li F.Y.Li G.Li H.B.Li H.J.Li J.C.Li J.W.Li Ke Li L.K.Li Lei Li P.L.Li P.R.Li Q.Y.Li W.D.Li W.G.Li X.H.Li X.L.Li X.N.Li X.Q.Li Z.B.Li H.Liang H.Liang Y.F.Liang Y.T.Liang G.R.Liao L.Z.Liao J.Libby C.X.Lin D.X.Lin Y.J.Lin B.Liu B.J.Liu C.X.Liu D.Liu D.Y.Liu F.H.Liu Fang Liu Feng Liu H.B.Liu H.M.Liu Huanhuan Liu Huihui Liu J.B.Liu J.Y.Liu K.Y.Liu Ke Liu Q.Liu S.B.Liu T.Liu X.Liu X.Y.Liu Y.B.Liu Z.A.Liu Zhiqing Liu Y.F.Long X.C.Lou H.J.Lu J.D.Lu J.G.Lu Y.Lu Y.P.Lu C.L.Luo M.X.Luo P.W.Luo T.Luo X.L.Luo S.Lusso X.R.Lyu F.C.Ma H.L.Ma L.L.Ma M.M.Ma Q.M.Ma X.N.Ma X.X.Ma X.Y.Ma Y.M.Ma F.E.Maas M.Maggiora S.Maldaner S.Malde Q.A.Malik A.Mangoni Y.J.Mao Z.P.Mao S.Marcello Z.X.Meng J.G.Messchendorp G.Mezzadri J.Min T.J.Min R.E.Mitchell X.H.Mo Y.J.Mo C.Morales Morales N.Yu.Muchnoi H.Muramatsu A.Mustafa S.Nakhoul Y.Nefedov F.Nerling I.B.Nikolaev Z.Ning S.Nisar S.L.Niu S.L.Olsen Q.Ouyang S.Pacetti Y.Pan M.Papenbrock P.Patteri M.Pelizaeus H.P.Peng K.Peters A.A.Petrov J.Pettersson J.L.Ping R.G.Ping A.Pitka R.Poling V.Prasad M.Qi T.Y.Qi S.Qian C.F.Qiao N.Qin X.P.Qin X.S.Qin Z.H.Qin J.F.Qiu S.Q.Qu K.H.Rashid C.F.Redmer M.Richter M.Ripka A.Rivetti V.Rodin M.Rolo G.Rong J.L.Rosner Ch.Rosner M.Rump A.Sarantsev M.Savrie K.Schoenning W.Shan X.Y.Shan M.Shao C.P.Shen P.X.Shen X.Y.Shen H.Y.Sheng X.Shi X.D Shi J.J.Song Q.Q.Song X.Y.Song S.Sosio C.Sowa S.Spataro F.F.Sui G.X.Sun J.F.Sun L.Sun S.S.Sun X.H.Sun Y.J.Sun Y.K Sun Y.Z.Sun Z.J.Sun Z.T.Sun Y.T Tan C.J.Tang G.Y.Tang X.Tang V.Thoren B.Tsednee I.Uman B.Wang B.L.Wang C.W.Wang D.Y.Wang H.H.Wang K.Wang L.L.Wang L.S.Wang M.Wang M.Z.Wang Wang Meng P.L.Wang R.M.Wang W.P.Wang X.Wang X.F.Wang X.L.Wang Y.Wang Y.F.Wang Z.Wang Z.G.Wang Z.Y.Wang Zongyuan Wang T.Weber D.H.Wei P.Weidenkaff H.W.Wen S.P.Wen U.Wiedner G.Wilkinson M.Wolke L.H.Wu L.J.Wu Z.Wu L.Xia Y.Xia S.Y.Xiao Y.J.Xiao Z.J.Xiao Y.G.Xie Y.H.Xie T.Y.Xing X.A.Xiong Q.L.Xiu G.F.Xu L.Xu Q.J.Xu W.Xu X.P.Xu F.Yan L.Yan W.B.Yan W.C.Yan Y.H.Yan H.J.Yang H.X.Yang L.Yang R.X.Yang S.L.Yang Y.H.Yang Y.X.Yang Yifan Yang Z.Q.Yang M.Ye M.H.Ye J.H.Yin Z.Y.You B.X.Yu C.X.Yu J.S.Yu C.Z.Yuan X.Q.Yuan Y.Yuan A.Yuncu A.A.Zafar Y.Zeng B.X.Zhang B.Y.Zhang C.C.Zhang D.H.Zhang H.H.Zhang H.Y.Zhang J.Zhang J.L.Zhang J.Q.Zhang J.W.Zhang J.Y.Zhang J.Z.Zhang K.Zhang L.Zhang S.F.Zhang T.J.Zhang X.Y.Zhang Y.Zhang Y.H.Zhang Y.T.Zhang Yang Zhang Yao Zhang Yi Zhang Yu Zhang Z.H.Zhang Z.P.Zhang Z.Q.Zhang Z.Y.Zhang G.Zhao J.W.Zhao J.Y.Zhao J.Z.Zhao Lei Zhao Ling Zhao M.G.Zhao Q.Zhao S.J.Zhao T.C.Zhao Y.B.Zhao Z.G.Zhao A.Zhemchugov B.Zheng J.P.Zheng Y.Zheng Y.H.Zheng B.Zhong L.Zhou L.P.Zhou Q.Zhou X.Zhou X.K.Zhou Xingyu Zhou Xiaoyu Zhou Xu Zhou A.N.Zhu J.Zhu J.Zhu K.Zhu K.J.Zhu S.H.Zhu W.J.Zhu X.L.Zhu Y.C.Zhu Y.S.Zhu Z.A.Zhu J.Zhuang B.S.Zou J.H.Zou 无 | 2020 | Chinese Physics C2020,44,4: | 517 |
| 2 | Study of BESIII trigger efficiencies with the 2018 J/ψ data显示文摘Using a dedicated data sample taken in 2018 on the J/ψpeak,we perform a detailed study of the trigger efficiencies of the BESIII detector.The efficiencies are determined from three representative physics processes,namely Bhabha scattering,dimuon production and generic hadronic events with charged particles.The combined efficiency of all active triggers approaches 100%in most cases,with uncertainties small enough not to affect most physics analyses. | M.Ablikim M.N.Achasov P.Adlarson S.Ahmed M.Albrecht R.Aliberti A.Amoroso M.R.An Q.An X.H.Bai Y.Bai O.Bakina R.Baldini Ferroli I.Balossino Y.Ban K.Begzsuren N.Berger M.Bertani D.Bettoni F.Bianchi J.Bloms A.Bortone I.Boyko R.A.Briere H.Cai X.Cai A.Calcaterra G.F.Cao N.Cao S.A.Cetin J.F.Chang W.L.Chang G.Chelkov D.Y.Chen G.Chen H.S.Chen M.L.Chen S.J.Chen X.R.Chen Y.B.Chen Z.J Chen W.S.Cheng G.Cibinetto F.Cossio X.F.Cui H.L.Dai X.C.Dai A.Dbeyssi R.E.de Boer D.Dedovich Z.Y.Deng A.Denig I.Denysenko M.Destefanis F.De Mori Y.Ding C.Dong J.Dong L.Y.Dong M.Y.Dong X.Dong S.X.Du Y.L.Fan J.Fang S.S.Fang Y.Fang R.Farinelli L.Fava F.Feldbauer G.Felici C.Q.Feng J.H.Feng M.Fritsch C.D.Fu Y.Gao Y.Gao Y.Gao Y.G.Gao I.Garzia P.T.Ge C.Geng E.M.Gersabeck A Gilman K.Goetzen L.Gong W.X.Gong W.Gradl M.Greco L.M.Gu M.H.Gu S.Gu Y.T.Gu C.Y Guan A.Q.Guo L.B.Guo R.P.Guo Y.P.Guo A.Guskov T.T.Han W.Y.Han X.Q.Hao F.A.Harris H Hüsken K.L.He F.H.Heinsius C.H.Heinz T.Held Y.K.Heng C.Herold M.Himmelreich T.Holtmann Y.R.Hou Z.L.Hou H.M.Hu J.F.Hu T.Hu Y.Hu G.S.Huang L.Q.Huang X.T.Huang Y.P.Huang Z.Huang T.Hussain W.Ikegami Andersson W.Imoehl M.Irshad S.Jaeger S.Janchiv Q.Ji Q.P.Ji X.B.Ji X.L.Ji H.B.Jiang X.S.Jiang J.B.Jiao Z.Jiao S.Jin Y.Jin T.Johansson N.Kalantar-Nayestanaki X.S.Kang R.Kappert M.Kavatsyuk B.C.Ke I.K.Keshk A.Khoukaz P.Kiese R.Kiuchi R.Kliemt L.Koch O.B.Kolcu B.Kopf M.Kuemmel M.Kuessner A.Kupsc M.G.Kurth W.Kühn J.J.Lane J.S.Lange P.Larin A.Lavania L.Lavezzi Z.H.Lei H.Leithoff M.Lellmann T.Lenz C.Li C.H.Li Cheng Li D.M.Li F.Li G.Li H.Li H.Li H.B.Li H.J.Li J.L.Li J.Q.Li J.S.Li Ke Li L.K.Li Lei Li P.R.Li S.Y.Li W.D.Li W.G.Li X.H.Li X.L.Li Z.Y.Li H.Liang H.Liang H.Liang Y.F.Liang Y.T.Liang L.Z.Liao J.Libby C.X.Lin B.J.Liu C.X.Liu D.Liu F.H.Liu Fang Liu Feng Liu H.B.Liu H.M.Liu Huanhuan Liu Huihui Liu J.B.Liu J.L.Liu J.Y.Liu K.Liu K.Y.Liu Ke Liu L.Liu M.H.Liu P.L.Liu Q.Liu Q.Liu S.B.Liu Shuai Liu T.Liu W.M.Liu X.Liu Y.Liu Y.B.Liu Z.A.Liu Z.Q.Liu X.C.Lou F.X.Lu H.J.Lu J.D.Lu J.G.Lu X.L.Lu Y.Lu Y.P.Lu C.L.Luo M.X.Luo b P.W.Luo T.Luo X.L.Luo S.Lusso X.R.Lyu F.C.Ma H.L.Ma L.L.Ma M.M.Ma Q.M.Ma R.Q.Ma R.T.Ma X.X.Ma X.Y.Ma F.E.Maas M.Maggiora S.Maldaner S.Malde Q.A.Malik A.Mangoni Y.J.Mao Z.P.Mao S.Marcello Z.X.Meng J.G.Messchendorp G.Mezzadri T.J.Min R.E.Mitchell X.H.Mo Y.J.Mo N.Yu.Muchnoi H.Muramatsu S.Nakhoul Y.Nefedov F.Nerling I.B.Nikolaev Z.Ning S.Nisar S.L.Olsen Q.Ouyang S.Pacetti X.Pan Y.Pan A.Pathak P.Patteri M.Pelizaeus H.P.Peng K.Peters J.Pettersson J.L.Ping R.G.Ping R.Poling V.Prasad H.Qi H.R.Qi K.H.Qi M.Qi T.Y.Qi T.Y.Qi S.Qian W.-B.Qian Z.Qian C.F.Qiao L.Q.Qin X.S.Qin Z.H.Qin J.F.Qiu S.Q.Qu K.H.Rashid K.Ravindran C.F.Redmer A.Rivetti V.Rodin M.Rolo G.Rong Ch.Rosner M.Rump H.S.Sang A.Sarantsev Y.Schelhaas C.Schnier K.Schoenning M.Scodeggio D.C.Shan W.Shan X.Y.Shan J.F.Shangguan M.Shao C.P.Shen P.X.Shen X.Y.Shen H.C.Shi R.S.Shi X.Shi X.D Shi W.M.Song Y.X.Song S.Sosio S.Spataro K.X.Su P.P.Su F.F.Sui G.X.Sun H.K.Sun J.F.Sun L.Sun S.S.Sun T.Sun W.Y.Sun X Sun Y.J.Sun Y.K.Sun Y.Z.Sun Z.T.Sun Y.H.Tan Y.X.Tan C.J.Tang G.Y.Tang J.Tang J.X.Teng V.Thoren I.Uman B.Wang C.W.Wang D.Y.Wang H.J.Wang H.P.Wang K.Wang L.L.Wang M.Wang M.Z.Wang Meng Wang W.Wang W.H.Wang W.P.Wang X.Wang X.F.Wang X.L.Wang Y.Wang Y.D.Wang Y.F.Wang Y.Q.Wang Y.Y.Wang Z.Wang Z.Y.Wang Ziyi Wang Zongyuan Wang D.H.Wei P.Weidenkaff F.Weidner S.P.Wen D.J.White U.Wiedner G.Wilkinson M.Wolke L.Wollenberg J.F.Wu L.H.Wu L.J.Wu X.Wu Z.Wu L.Xia H.Xiao S.Y.Xiao Z.J.Xiao X.H.Xie Y.G.Xie Y.H.Xie T.Y.Xing G.F.Xu Q.J.Xu W.Xu X.P.Xu F.Yan L.Yan W.B.Yan W.C.Yan Xu Yan H.J.Yang H.X.Yang L.Yang S.L.Yang Y.X.Yang Yifan Yang Zhi Yang M.Ye M.H.Ye J.H.Yin Z.Y.You B.X.Yu C.X.Yu G.Yu J.S.Yu T.Yu C.Z.Yuan L.Yuan X.Q.Yuan Y.Yuan Z.Y.Yuan C.X.Yue A.Yuncu A.A.Zafar Y.Zeng B.X.Zhang Guangyi Zhang H.Zhang H.H.Zhang H.Y.Zhang J.J.Zhang J.L.Zhang J.Q.Zhang J.W.Zhang J.Y.Zhang J.Z.Zhang Jianyu Zhang Jiawei Zhang L.Q.Zhang Lei Zhang S.Zhang S.F.Zhang Shulei Zhang X.D.Zhang X.Y.Zhang Y.Zhang Y.H.Zhang Y.T.Zhang Yan Zhang Yao Zhang Yi Zhang Z.H.Zhang Z.Y.Zhang G.Zhao J.Zhao J.Y.Zhao J.Z.Zhao Lei Zhao Ling Zhao M.G.Zhao Q.Zhao S.J.Zhao Y.B.Zhao Y.X.Zhao Z.G.Zhao A.Zhemchugov B.Zheng J.P.Zheng Y.Zheng Y.H.Zheng B.Zhong C.Zhong L.P.Zhou Q.Zhou X.Zhou X.K.Zhou X.R.Zhou A.N.Zhu J.Zhu K.Zhu K.J.Zhu S.H.Zhu T.J.Zhu W.J.Zhu W.J.Zhu Y.C.Zhu Z.A.Zhu B.S.Zou J.H.Zou | 2021 | Chinese Physics C2021,45,2: | 33 |
| 3 | 交联聚乙烯电缆绝缘中的电树枝与绝缘结构亚微观缺陷显示文摘半结晶高聚物中的电树枝特性远比纯脆性或柔性聚合物复杂,源于材料中的结晶区和无定形区两相共存。在厚绝缘交联聚乙烯(XLPE)中还存在不均匀结晶和微孔高度集中,以及残存应力,导致电树枝特性更加复杂。本文提出利用生长速度比和扩展系数两个新参数来研究XLPE中的电树枝生长规律。根据XLPE电缆绝缘中电树枝结构特征和生长特性,研究了电树枝的影响因素和绝缘中的四种亚微观绝缘结构弱点,分析了微孔集中、大球晶边界及结晶排渣、应力、电场局部集中所导致的电树枝在绝缘内侧的迅速扩展现象,提出了超高压XLPE电缆发展所必须解决的亚微观绝缘结构缺陷在电缆绝缘内侧集中问题及其对策。 | 郑晓泉 G.Chen A.E.Davies | 2006 | 电工技术学报2006,21,11: | 18 |
| 4 | Vitamin B12 modulates Parkinson’s disease LRRK2 kinase activity through allosteric regulation and confers neuroprotection显示文摘Missense mutations in Leucine-Rich Repeat Kinase 2(LRRK2)cause the majority of familial and some sporadic forms of Parkinson’s disease(PD).The hyperactivity of LRRK2 kinase induced by the pathogenic mutations underlies neurotoxicity,promoting the development of LRRK2 kinase inhibitors as therapeutics.Many potent and specific small-molecule LRRK2 inhibitors have been reported with promise.However,nearly all inhibitors are ATP competitive—some with unwanted side effects and unclear clinical outcome—alternative types of LRRK2 inhibitors are lacking.Herein we identify 5′-deoxyadenosylcobalamin(AdoCbl),a physiological form of the essential micronutrient vitamin B12 as a mixed-type allosteric inhibitor of LRRK2 kinase activity.Multiple assays show that AdoCbl directly binds LRRK2,leading to the alterations of protein conformation and ATP binding in LRRK2.STD-NMR analysis of a LRRK2 homologous kinase reveals the contact sites in AdoCbl that interface with the kinase domain.Furthermore,we provide evidence that AdoCbl modulates LRRK2 activity through disrupting LRRK2 dimerization.Treatment with AdoCbl inhibits LRRK2 kinase activity in cultured cells and brain tissue,and prevents neurotoxicity in cultured primary rodent neurons as well as in transgenic C.elegans and D.melanogaster expressing LRRK2 disease variants.Finally,AdoCbl alleviates deficits in dopamine release sustainability caused by LRRK2 disease variants in mouse models.Our study uncovers vitamin B12 as a novel class of LRRK2 kinase modulator with a distinct mechanism,which can be harnessed to develop new LRRK2-based PD therapeutics in the future. | Adam Schaffner Xianting Li Yacob Gomez-Llorente Emmanouela Leandrou Anna Memou Nicolina Clemente Chen Yao Farinaz Afsari Lianteng Zhi Nina Pan Keita Morohashi Xiaoluan Hua Ming-Ming Zhou Chunyu Wang Hui Zhang Shu G.Chen Christopher J.Elliott Hardy Rideout Iban Ubarretxena-Belandia Zhenyu Yue | 2019 | Cell Research2019,29,4: | 7 |
| 5 | 半边旗抗肿瘤有效成分5F的纯化工艺研究显示文摘目的:探索D101大孔吸附树脂制备半边旗中抗肿瘤有效成分贝壳杉烷类二萜5F的工艺。方法:以HPLC为检测手段,以5F在浸膏中的含量为指标,比较甲醇和氯仿提取5F的专属性;以HPLC和TLC为检测手段,考察D101大孔吸附树脂对5F的吸附和洗脱条件。结果:半边旗药粉采用氯仿提取,制成含乙醇20%的药液上柱后,先用2BV30%的乙醇除去极性杂质,再用4BV60%的乙醇洗脱,得到质量分数为32.25%的5F。结论:建立了一种5F的纯化工艺,并达到要求的标准。 | 龚先玲 陈志红 吕应年 邓亦峰 George G.Chen 梁念慈 | 2008 | 中成药2008,30,9: | 6 |
| 6 | Sample size effect on the dynamic torsional behaviour of the 2A12 aluminium alloy显示文摘In order to investigate the effect of sample size on the dynamic torsional behaviour of the 2A12 aluminium alloy. In this paper, torsional split Hopkinson bar tests are conducted on this alloy with different sample dimensions. It is found that with the decreasing gauge length and thickness, the tested yield strength increases. However, the sample inner/outer diameter has little effect on the dynamic torsional behaviour.Based on the finite element method, the stress states in the alloy with different sample sizes are analysed.Due to the effect of stress concentration zone(SCZ), the shorter sample has a higher yield stress.Furthermore, the stress distributes more uniformly in the thinner sample, which leads to the higher tested yield stress. According to the experimental and simulation analysis, some suggestions on choosing the sample size are given as well. | J.H.Chen W.F.Xu R.Z.Xie F.J.Zhang W.J.Hu X.C.Huang G.Chen | 2017 | Theoretical & Applied Mechanics Letters2017,7,6: | 4 |
| 7 | 半边旗中二萜类化合物5F葡糖糖苷的分离鉴定及其抗肿瘤作用显示文摘目的:进一步研究半边旗的抗肿瘤活性成分。方法:运用反复硅胶柱层析的方法对半边旗中的化学成分进行分离纯化,以LC-MS及各种有机波谱法鉴定化学单体结构;并通过MTT法对分离鉴定的单体化合物及其苷元进行抗肿瘤活性研究。结果:从中分离鉴定1个二萜苷类化合物,为11β-hydroxy-15-oxo-ent-kaur-16-en-19-oic acid 19-β-D-glucoside(Ⅰ);化合物Ⅰ及其苷元5F均可抑制两种肿瘤细胞A549和CNE-2Z的生长,且它们对两种肿瘤细胞的抑制作用呈一定剂量依赖关系和时间依赖关系,化合物5F的活性强于化合物Ⅰ。结论:α,β不饱和环戊酮结构是其活性部位,5F中19位碳上的羧基与糖连接形成酯苷,成为化合物Ⅰ后,其抗肿瘤活性大大降低。 | 龚先玲 陈志红 梁念慈 邓亦峰 George G.Chen | 2010 | 中成药2010,32,2: | 3 |
| 8 | 阴离子竞争对磁赤铁矿纳米颗粒吸附砷酸盐的影响(英文)显示文摘This paper reports the effect of several competing anions on arsenate adsorption with maghemite nanoparticles.Sulphate(as SO4),nitrate(as NO3-N),phosphate(as PO4-P) ions and silicate(as SiO2) were studied in dual solution with arsenate.Moreover,the combined effect of ions and other water characteristics were examined with a natural groundwater sample which was spiked with a certain amount of arsenate.Arsenate batch adsorption experiments were carried out with two different kinds of maghemite—a commercially available one and a homemade one using the sol-gel process.Sulphate(≤250 mg·L-1) and nitrate(≤12 mg·L-1) had a negligible effect on the arsenate(0.5 mg·L-1) adsorption at pH 3.However,both phosphate(≤2.9 mg·L-1) and silicate(≤50 mg·L-1) had an adverse impact on arsenate(≤3 mg·L-1) adsorption at pH 7.Phosphate(≤1.5 mg·L-1) showed minimal competition with arsenate(0.5 mg·L-1),while silicate(≤10 mg·L-1) inhibition was insignificant for all studied As(V) concentrations at pH 3.The removal of arsenate from the groundwater sample was as efficient as from laboratory water for 0.5 mg·L-1 As(V) both at pH 3 and pH 7. | T.Tuutijrvi E.Repo R.Vahala M.Sillanp G.Chen | 2012 | Chinese Journal of Chemical Engineering2012,20,3: | 3 |
| 9 | 低排放GE-7FDL大功率中速机车柴油机的开发显示文摘概述低排放的GE-7FDL系列机车柴油机的技术开发。开发的重点放在明显地减少发动机的NOx排放并减少和控制其他可见和不可见的排放物上,与此同时对发动机燃油效率的不利影响要尽可能小和对发动机系统和零部件的改动要尽可能少。使用一台单缸7FDL试验研究用发动机对几种设计概念进行了分析与研究。制造了一台低排放的16缸7FDL发动机和一台GE机车样车,并对其进行了性能验证、功能评估:和设计优化试验。GE公司的低排放7FDL发动机和机车已投入批量生产。新开发的低排放机车发动机达到美国环保局制定的0级排放限制标准而对燃油效率没有不良影响。这一目标的实现仅导致对发动机系统和零部件作了极少的改动,理想的发动机可靠性仍保持不变。新的发动机可与以前的7FDL基型发动机互换,因而现有基型发动机升级到低排放型发动机很容易。 | G.Chen P.L.Flynn 王庆宇 | 2004 | 国外内燃机车2004,,2: | 3 |
| 10 | 半边旗提取物5F-Na盐溶液对三种肝细胞癌细胞株的增殖抑制作用显示文摘目的:评估半边旗提取物5F-Na盐溶液对肝细胞癌细胞株的增殖抑制作用。方法:采用MTT法,观察不同浓度的半边旗提取物物5F-Na盐溶液分别作24、48、72h对三种不同类型肝细胞癌细胞株(HepG2,Hep3B,BEL-7402)生长增殖的影响。结果:不同浓度的半边旗提取物5F-Na盐溶液分别对3种肝癌细胞作用24、48、72h后,所有的肝癌细胞株生长增殖均受到不同程度的抑制(P<0.05),5F-Na盐溶液对HepG2,Hep3B,BEL-7402作用72h后的IC50分别是20.67,16.74,16.09mg/L。结论:半边旗提取物5F-Na盐溶液能有效抑制肝细胞癌细胞株的体外增殖。 | 吴科锋 刘义 吕应年 George G.Chen 梁念慈 | 2010 | 辽宁中医杂志2010,37,9: | 3 |
| 11 | 交、直流电场作用下交联聚乙烯中的空间电荷习性(英文)显示文摘Polyethylene is one of the widely studied polymeric insulation materials,which have been used extensively for cable insulation.One of the major issues related to polymeric materials is its easy formation of space charge,a high chance to cause electric field distortions.This phenomenon is more significant under high voltage direct current(HVDC)stresses.Space charge can also be observed under high voltage alternative current(HVAC)stresses but with much less intensity due to the limited charge injection period and the effect of charge recombination caused by the constantly variance of the external fields.When considering the situation of an AC voltage combined with a DC offset,a possible scenario in HVDC technology,there was little research on charge dynamics in the insulation in terms of both experimental and simulation work.In this paper,a numerical simulation based a bipolar charge injection/transport model is used to obtain characteristics of space charge in polyethylene under the combined AC and DC high voltage at room temperature.The bipolar charge injection/transport model,which is widely used in HVDC space charge simulation,is applied in the combined conditions.The overall applied voltage,consisted of root mean square(RMS)values of the AC voltage and DC voltage,is kept the same,while the DC component’s voltage ratio and AC component’s frequency are changed respectively,to illustrate their effects on the space charge dynamics within the insulation under combined electric fields.The simulated charge distributions present notable differences when DC offset is increasingly added in,while relatively small differences when AC component’s frequency altering,especially for the cases whose frequency exceeding 0.5 Hz. | C.Zhou G.Chen | 2015 | 高电压技术2015,41,4: | 3 |
| 12 | 半边旗提取物5F-Na盐溶液的制备及体外抑癌作用研究显示文摘目的:制备5F-Na盐,并观察其对肺癌细胞株NCL-H460和肝癌细胞株BEL-7402的杀伤作用。方法:加入0.5mol·L-1NaOH使半边旗提取物5F完全溶解,稀HCl调节pH值为7.4,加入磷酸盐缓冲液使其pH值稳定,高效液相色谱法测定5F-Na盐溶液中5F的含量。通过MTT法检测所制备5F-Na盐溶液对肺癌细胞株NCL-H460和肝癌细胞株BEL-7402的杀伤作用。结果:所制备5F-Na盐溶液中5F为标示量的(100.51±2.18)%,其对NCl-H460细胞株24、48、72h的IC50分别为23.7、14.2、7.0μg·mL-1,对BEL-7402细胞株24、48、72h的IC50分别为157.3、41.5、21.0μg·mL-1。结论:本研究制备的5F-Na盐溶液能有效抑制癌细胞株生长增殖。 | 吴科锋 吕应年 刘义 李立 George G.Chen 赖宝山 梁念慈 | 2010 | 中国药房2010,21,47: | 2 |
| 13 | Synthesis and electrocatalytic applications of flower-like motifs and associated composites of nitrogen-enriched tungsten nitride(W2N3)显示文摘We have sought to improve the electrocatalytic performance of tungsten nitride through synthetic control over chemical composition and morphology.In particular,we have generated a thermodynamically unstable but catalytically promising nitrogen-rich phase of tungsten via a hydrothermal generation of a tungsten oxide intermediate and subsequent annealing in ammonia.The net product consisted of three-dimensional(3D)micron-scale flower-like motifs of W2N3;this architecture not only evinced high structural stability but also incorporated the favorable properties of constituent two-dimensional nanosheets.From a performance perspective,as-prepared 3D W2N3 demonstrated promising hydrogen evolution reaction(HER)activities,especially in an acidic environment with a measured overpotential value of−101 mV at a current density of 10 mA/cm^2.To further enhance the electrocatalytic activity,small amounts of precious metal nanoparticles(such as Pt and Au),consisting of variable sizes,were uniformly deposited onto the underlying 3D W2N3 motifs using a facile direct deposition method;these composites were applied towards the CO2 reduction reaction(CO2RR).A highlight of this series of experiments was that Au/W2N3 composites were found to be a much more active HER(as opposed to either a CO2RR or a methanol oxidation reaction(MOR))catalyst. | Sha Tan Brian M.Tackett Qun He Ji Hoon Lee Jingguang G.Chen Stanislaus S.Wong | 2020 | Nano Research2020,13,5: | 2 |
| 14 | 半边旗提取物5F对不同类型NSCLC细胞的增殖抑制作用显示文摘目的观察半边旗提取物5F(Psl5F)对不同类型非小细胞肺癌(NSCLC)细胞株的增殖抑制作用,并找出对其敏感的细胞株类型。方法采用MTT法观察不同浓度Psl5F分别在作用24、48、72 h时对不同类型的NSCLC细胞株(A549、SPCA-I、NCI-H460、PGCL3)生长增殖的影响。结果不同浓度的Psl5F对4种肺癌细胞作用24、48、72 h后,所有NSCLC细胞株生长增殖均受到不同程度的抑制,其中以对NCI-H460肺癌细胞的杀伤作用最强(P<0.01),对A549、SPCA-I、NCI-H460、PGCL3作用72 h后的半数致死量(IC50)分别是12.12、10.74、3.91、4.94 mg/L。结论Psl5F能有效抑制NSCLC细胞株的体外增殖,且对大细胞肺癌NCI-H460最为敏感。 | 吴科锋 刘义 吕应年 George G.Chen 梁念慈 | 2009 | 山东医药2009,49,52: | 2 |
| 15 | On the microstructural origin of premature failure of creep strength enhanced martensitic steels显示文摘The creep strength enhanced martensitic steels are key material for the main power generating units in ultra-supercritical plants.Studies on the evaluation of their creep rupture life show there is an overestimation of rupture life after long-term creep,which is known as premature failure.However,the microstructural origin of the premature failure remains unclear.Here in this study,we have carefully investigated the microstructural transformations and their influences on creep rupture behavior,showing that the evolution of martensite and M_(23)C_(6) carbides as well as Laves phase are responsible for the premature failure.By using multi-step TTP-LMP method,we confirmed a three-stage creep rupture behavior under different stress regions.Further quantitative analysis showed that the coarsening of M_(23)C_(6) carbides and recovery of martensite exert equal and dominant effects on the premature failure in the medium stress region,while precipitation and coarsening of Laves phase are responsible for the premature failure in the low stress region. | J.Li C.Xu G.Zheng W.J.Dai C.C.Bu G.Chen | 2021 | Journal of Materials Science & Technology2021,,28: | 2 |
| 16 | General Trends in the Partial and Complete Hydrogenation of 1,4‐Cyclohexadiene over Pt–Co, Pt–Ni and Pt–Cu Bimetallic Catalysts显示文摘 | SuitaoQi WeitingYu William?W.Lonergan BolunYang Jingguang?G.Chen | 2010 | ChemCatChem2010,,6: | 1 |
| 17 | Diabetes,pre-diabetes and associated risks on Minnesota code-indicated major electrocardiogram abnormality among Chinese:a cross-sectional diabetic study in Fujian province,southeast China显示文摘 | Lin L G.Chen X.Zou | | 0,,04: | 1 |
| 18 | Cover Picture: Enhancing H<sub>2</sub> and CO Production from Glycerol Using Bimetallic Surfaces (ChemSusChem 6/2008)显示文摘 | OrestSkoplyak Mark?A.Barteau Jingguang?G.Chen | 2008 | ChemSusChem2008,,6: | 1 |
| 19 | Differential expression of dehydrin genes in wild barley, Hordeum spontaneum, associated with resistance to water deficit显示文摘 | T.SUPRUNOVA T.KRUGMAN T.FAHIMA G.Chen I.SHAMS A.KOROL E.NEVO | 2004 | Plant Cell & Environment2004,,10: | 1 |
| 20 | Cover Picture: Direct Catalytic Conversion of Cellulose into Ethylene Glycol Using Nickel‐Promoted Tungsten Carbide Catalysts (Angew. Chem. Int. Ed. 44/2008)显示文摘 | NaJi TaoZhang MingyuanZheng AiqinWang HuiWang XiaodongWang Jingguang?G.Chen | 2008 | Angewandte Chemie International Edition2008,,44: | 1 |