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30篇 您的检索式:作者名="LI Xichun"
    题名 作者 年代 出处 被引量
1Effects of the dispatch modes of the Three Gorges Reservoir on the water regimes in the Dongting Lake area in typical years显示文摘在典型的年里基于地调查原型水文学数据,效果在在东廷·莱克区域的水政体上的三座峡水库的不同派遣模式的跑的时期期间是比较地分析了。结果如下被显示出。(1 ) 影响时期从 5 月 25 日到 6 月 10 日,从 7 月 1 日到 8 月 31 日,从 9 月 15 日到 10 月 31 日并且从 12 月到下一 4 月,在旱季的水补充派遣的影响不在之中是很敏感的。(2 ) 在在预先解除下面的时期期间派遣,流量体积稍微在平常的年里象平均的水水平和高水位线水平上升一样增加。当时在湿、干燥的年里,流量体积的平均增加是 40.OU Chaomin LI Jingbao ZHANG Zhaoqing LI Xichun YU Guo LIAO Xiaohong 2012Journal of Geographical Sciences2012,22,4:12
2Controlled preparation of P-doped g-C3N4 nanosheets for efficient photocatalytic hydrogen production显示文摘Hydrogen production by photolysis of water by sunlight is an environmentally-friendly preparation technology for renewable energy.Graphitic carbon nitride(g-C3N4),despite with obvious catalytic effect,is still unsatisfactory for hydrogen production.In this work,phosphorus element is incorporated to tune g-C3N4's property through calcinating the mixture of g-C3N4 and Na H2PO2,sacrificial agent and co-catalyst also been supplied to help efficient photocatalytic hydrogen production.Phosphorus(P)doped g-C3N4 samples(PCN-S)were prepared,and their catalytic properties were studied.X-ray diffraction(XRD),X-ray photoelectron spectroscopy(XPS),scanning electron microscopy(SEM)and ultraviolet diffuse reflection(UV-DRS)were used to study their structures and morphologies.The results show that the reaction rate of PCN-S is 318μmol·h^-1·g^-1,which is 2.98 times as high as pure carbon nitride nanosheets(CN)can do.Our study paves a new avenue,which is simple,environment-friendly and sustainable,to synthesize highly efficient P doping g-C3N4 nanosheets for solar energy conversion.Qiachun Lin Zesheng Li Tingjian Lin Bolin Li Xichun Liao Huiqing Yu Changlin Yu 2020Chinese Journal of Chemical Engineering2020,28,10:6
3Treatment patterns for adjuvant docetaxel-based chemotherapy in early-stage breast cancer in China:A pooled retrospective analysis of four observational studies显示文摘Objective:Adjuvant docetaxel-based chemotherapy is frequently used for operable early breast cancer(EBC).This study investigated patterns of use of docetaxel(T)in real-life clinical practice in China.Methods:This was a retrospective pooled analysis of the Asia-Pacific Breast Initiatives(APBI)Ⅰ(2006–2008)and Ⅱ(2009–2011)registries,and two Chinese observational studies;BC STATE(2011–2014)and BC Local Registry(2007–2010).Female Chinese adults(≥18 years)with operable breast cancer treated with docetaxel-based adjuvant chemotherapy were included in the analysis.Patients with metastatic disease were excluded.The primary endpoint was assessment of treatment patterns and patient profiles.A logistic regression analysis was conducted to identify factors associated with choice of adjuvant chemotherapy regimen.Results:Data from 3,020 patients were included.The most frequently used adjuvant regimen was docetaxel/anthracycline combination[n=1,421(47.1%);of whom 52.0%received T/epirubicin(E)/cyclophosphamide(C)],followed by docetaxel/other[n=705(23.3%);of whom 72.8%received TC],docetaxel/anthracycline sequential[n=447(14.8%);of whom 40.9%and 39.6%received 5-Fu/EC-T and EC-T,respectively],and'other'[n=447(14.8%);of whom 91.5%received T].A significant association was found between adjuvant therapy with docetaxel/anthracycline combination and patient weight,menopausal status and estrogen receptor status.Conclusions:Real-world data revealed that docetaxel/anthracycline combination is the most commonly used category of docetaxel-based adjuvant therapy for patients with operable breast cancer in China;of which TEC is the most frequently used regimen.Binghe Xu Zhimin Shao Shui Wang Zefei Jiang Xichun Hu Xiaohua Zhang Xiru Li Jinping Liu Mengquan Li Shu Wang 2018Chinese Journal of Cancer Research2018,30,3:5
4Enhanced lakebed sediment erosion in Dongting Lake induced by the operation of the Three Gorges Reservoir显示文摘从 1951 ~ 2011 在东廷·莱克分水岭基于地调查水文学系列, lakebed 沉积 siltation/erosion (证券交易所) 的变化在三座峡水库(TGR ) 的操作以后的东廷·莱克的政体被分析。显著地积极的关联从 Zhicheng 和三个插头在流动率之间被发现(r 2=0.859, p < 0.0001 ) ,并且在流动之间,率和沉积交货在三个插头评价(r 2=0.895, p < 0.0001 ) 。这显示在三个插头的流动率和沉积交货率被流动率大部分从在上游的长江决定。在东廷·莱克盆的沉积免职数量从 +4796.4 落下 ??ZHOU Yongqiang LI Jingbao ZHANG Yunlin ZHANG Xinping LI Xichun 2015Journal of Geographical Sciences2015,25,8:5
5Microstructure improvement related coercivity enhancement for sintered NdFeB magnets after optimized additional heat treatment显示文摘The micro structure, especially the Nd-rich phase and the grain boundary, in sintered NdFeB magnets plays an important role in magnetic reversal and coercivity mechanism. To better understand the effects of the microstructure on the coercivity, we investigated the microstructure and properties improvements of a commercial sintered NdFeB magnet after optimized additional heat treatment. The coercivity is enhanced from 1399 to 1560 kA/m. This enhancement has been explained in terms of the evolution of the grain boundary structure, and the formation of continuous thin layers of Nd-rich phase is important for high coercivity. The micromagnetic simulation together with the numerical analysis based on the nucleation model suggest that the reversed magnetic domains nucleate mainly at the interface of multijunctions of Nd_2 Fe_(14)B grains with high stray fields during the demagnetization process. Both improved anisotropy fields at grain boundaries and reduced stray fields at multi-junction Nd-rich phases contribute to the coercivity enhancement. This work has importance in understanding the crucial micro structure parameters and enhancing the obtainable properties for sintered NdFeB magnets.Qing Zhou Wei Li Yuan Hong Lizhong Zhao Xichun Zhong Hongya Yu Lili Huang Zhongwu Liu 2018Journal of Rare Earths2018,36,4:4
6Entinostat,a classⅠselective histone deacetylase inhibitor,plus exemestane for Chinese patients with hormone receptor-positive advanced breast cancer:A multicenter,randomized,double-blind,placebo-controlled,phase 3 trial显示文摘Entinostat plus exemestane in hormone receptor-positive(HR+)advanced breast cancer(ABC)previously showed encouraging outcomes.This multicenter phase 3 trial evaluated the efficacy and safety of entinostat plus exemestane in Chinese patients with HR+ABC that relapsed/progressed after≥1 endocrine therapy.Patients were randomized(2:1)to oral exemestane 25 mg/day plus entinostat(n=235)or placebo(n=119)5 mg/week in 28-day cycles.The primary endpoint was the independent radiographic committee(IRC)-assessed progression-free survival(PFS).The median age was 52(range,28—75)years and 222(62.7%)patients were postmenopausal.CDK4/6 inhibitors and fulvestrant were previously used in 23(6.5%)and 92(26.0%)patients,respectively.The baseline characteristics were comparable between the entinostat and placebo groups.The median PFS was 6.32(95%CI,5.30—9.11)and 3.72(95%CI,1.91—5.49)months in the entinostat and placebo groups(HR,0.76;95%CI,0.58—0.98;P=0.046),respectively.Grade≥3 adverse events(AEs)occurred in 154(65.5%)patients in the entinostat group versus 23(19.3%)in the placebo group,and the most common grade≥3 treatment-related AEs were neutropenia[103(43.8%)],thrombocytopenia[20(8.5%)],and leucopenia[15(6.4%)].Entinostat plus exemestane significantly improved PFS compared with exemestane,with generally manageable toxicities in HR+ABC(ClinicalTrials.gov#NCT03538171).Binghe Xu Qingyuan Zhang Xichun Hu Qing Li Tao Sun Wei Li Quchang Ouyang Jingfen Wang Zhongsheng Tong Min Yan Huiping Li Xiaohua Zeng Changping Shan Xian Wang Xi Yan Jian Zhang Yue Zhang Jiani Wang Liang Zhang Ying Lin Jifeng Feng Qianjun Chen Jian Huang Lu Zhang Lisong Yang Ying Tian Hongyan Shang 2023Acta Pharmaceutica Sinica B2023,13,5:3
7XPS study of potassium-promoted molybdenum carbides for mixed alcohols synthesis via CO hydrogenation显示文摘The X-ray photoelectron spectroscopy (XPS) was used to investigate the surface characteristic of potassium-promoted or un-promoted both β-Mo2C and α-MoC1-x pretreated by syngas at different temperatures,and the promotional effect of potassium on the catalytic performance was also studied.XPS results revealed that the content of surface Mo and its valence distribution between β-Mo2C and α-MoC1-x were quite different.Promoted by potassium,the remarkable changes were observed for surface composition and valence of Mo distribution over β-Mo2C.Potassium had strong electronic effect on β-Mo2C,which led to a higher Mo4+ content.On the contrary,potassium had little electronic effect on α-MoC1-x,and K-Mo interaction was weak.Therefore,Mo0 and Mo2+ became the dominant species on the catalyst surface,and the Mo4+ content showed almost no increase as the pretreatment temperature enhanced.In terms of catalytic performance of molybdenum carbides,the increase in Mo0 most likely explained the increase in hydrocarbon selectivity,yet Mo4+ might be responsible for the alcohols synthesis.Minglin Xiang Debao Li Juan Zou Wenhuai Li Yuhan Sun Xichun She 2010Journal of Natural Gas Chemistry2010,19,2:3
8Catalytic performance of iron carbide for carbon monoxide hydrogenation显示文摘Novel iron carbide and potassium-promoted iron carbide catalysts were prepared and investigated for CO hydrogenation. The iron carbide showed high activity for CO hydrogenation under high pressures; with the addition of potassium, activity and selectivity to C5+ hydrocarbons were greatly enhanced, and the selectivity to methane was suppressed under high pressure.Minglin Xian Juan Zou Qinghua Li Xichun She 2010Journal of Natural Gas Chemistry2010,19,5:2
9Flow and heat transfer behaviors of phase change material slurries in a horizontal circular tube显示文摘Xichun Wang Jianlei Niu Yi Li Xin Wang Binjiao Chen Ruolang Zeng Qingwen Song Yinping Zhang 2007International Journal of Heat and Mass Transfer2007,,13:2
10Nickel and potassium co-modified β-Mo_2C catalyst for CO conversion显示文摘Nickel and potassium co-modified β-Mo2C catalysts were prepared and used for CO hydrogenation reaction. The major products over β-Mo2C were C1-C4 hydrocarbons, only few alcohols were obtained. Addition of potassium resulted in remarkable selectivity shift from hydrocarbons to alcohols at the expense of CO conversion over β-Mo2C. Moreover, it was found that potassium enhanced the ability of chain propagation with a higher C2+OH production. Modified by nickel, β-Mo2C showed a relatively high CO conversion, however, the products were similar to those of pure β-Mo2C. When co-modified by nickel and potassium, β-Mo2C exhibited high activity and selectivity towards mixed alcohols synthesis, and also the whole chain propagation to produce alcohols especially for the stage of C1OH to C2OH was remarkably enhanced. It was concluded that the Ni and K had, to some extent, synergistic effect on CO conversion.Minglin Xiang Juan Zou Debao Li Wenhuai Li Yuhan Sun Xichun She 2009Journal of Natural Gas Chemistry2009,18,2:2
11Catalytic performance of Fe modified K/Mo_2C catalyst for CO hydrogenation显示文摘Fe modified and un-modified K/Mo2C were prepared and investigated as catalysts for CO hydrogenation reaction. Compared with K/Mo2C catalyst, the addition of Fe increased the production of alcohols, especially the C2+OH. Meanwhile, considerable amounts of C5+ hydrocar- bons and C2= -C4= were formed, whereas methane selectivity greatly decreased. Also, the activity and selectivity of the catalyst were readily affected by the reaction pressure and temperature employed. According to the XPS results, Mo4+ might be responsible for the production of alcohols, whereas the low valence state of Mo species such as Mo0 and/or Mo2+ might be account for the high activity and selectivity toward hydrocarbons.Minglin Xiang Dudu Wu Juan Zou Debao Li Yuhan Sun Xichun She 2011Journal of Natural Gas Chemistry2011,20,5:1
12Radio fre- quency combination for TCP/IP suite protocol improve- ment in 4G mobile internet networks显示文摘Abdullah Gani LI Xichun Yang Lian 2008International Journal of Communications2008,2,1:1
13Simulation of water dynamics and irrigation scheduling for winter wheat and maize in seasonal frost areas显示文摘SHANG Songhao LI Xichun MAO Xiaomin 2004Agric Water Manage2004,68,2:1
14Agonistic Autoantibodies as Vasodilators in Orthostatic Hypotension: A New Mechanism显示文摘Hongliang Li David C. Kem Sean Reim Muneer Khan Megan Vanderlinde-Wood Caitlin Zillner Daniel Collier Campbell Liles Michael A. Hill Madeleine W. Cunningham Christopher E. Aston Xichun Yu 20122012 (2 Su)2012,,2:1
15Amplified microgravimetric gene sensor using Au nanoparticle modified oligonucleotides显示文摘Zhou Xichun O' Shea SJ Li SFY 2000Chem Commun2000,,:1
16Phosphorylated VEGFR2 and hypertension: potential biomarkers to indicate VEGF-dependency of advanced breast cancer in anti-angiogenic therapy显示文摘Minhao Fan Jian Zhang Zhonghua Wang Biyun Wang Qunlin Zhang Chunlei Zheng Ting Li Chen Ni Zhenhua Wu Zhimin Shao Xichun Hu 2014Breast Cancer Research and Treatment2014,,1:1
17Enantioselective sensor based on microgravimetric quartz crystal microbalance with molecularly imprinted polymer film 显示文摘Cao Lan Li S F Y Zhou Xichun 2001Analyst2001,126,:1
18Agonistic Autoantibodies as Vasodilators in Orthostatic Hypotension: A New Mechanism显示文摘Hongliang Li David C. Kem Sean Reim Muneer Khan Megan Vanderlinde-Wood Caitlin Zillner Daniel Collier Campbell Liles Michael A. Hill Madeleine W. Cunningham Christopher E. Aston Xichun Yu 2012Hypertension . 2012 (2 Su)2012,,2:1
19An experimental study of convective heat transfer with microencapsulated phase change material suspension: Laminar flow in a circular tube under constant heat flux显示文摘Binjiao Chen Xin Wang Ruolang Zeng Yinping Zhang Xichun Wang Jianlei Niu Yi Li Hongfa Di 2008Experimental Thermal and Fluid Science2008,,8:1
20Tea Polyphenols Reducing Lipopolysaccharide-induced Inflammatory Responses in RAW264.7 Macrophages via NF-κB Pathway显示文摘The anti-inflammatory activity of tea polyphenols(TPs)in RAW264.7 macrophages stimulated by lipopolysaccharide(LPS)was investigated in this paper.RAW264.7 macrophages were treated with different concentrations of TP(0,12.5,25,50,100,and 200μg/mL)and then stimulated by LPS.Another blank control group was set up.The expression of pro-inflammatory cytokines associated with the nuclear factor-kappa B(NF-κB)signaling pathway was investigated before and after TP treatment.Pretreatment of RAW264.7 cells with TP decreased the expression of tumor necrosis factor-α(TNF-α),interleukin-6(IL-6)and interleukin 1 beta(IL-1β)pro-inflammatory cytokines.In addition,TP inhibited the phosphorylation of p65 and IκB by blocking the phosphorylation and the degradation of NF-κB inhibitor protein.In conclusion,TP exerts anti-inflammatory effects by regulating the release of inflammatory mediators via the NF-κB signaling pathway.SU Siyi LI Xiaoyu GUO Xu ZHOU Ruiming LI Manman MING Pengfei HUANG Yingying Sajid Ur RAHMAN DING Hongyan FENG Shibin LI Jinchun WANG Xichun LI Yu WU linjie 2019Chemical Research in Chinese Universities2019,35,6:1
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