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| 1 | Alkaline Intrusives at the East Foot of the Taihang-Da Hinggan Mountains:Chronology,Sr,Nd and Pb Isotopic Characteristics and Their Implications显示文摘Based on the Rb-Sr isochron dating results, this paper suggests that the alkaline intrusive belt at the east foot of the Taihang-Da Hinggan Mountains were formed between 135 and 122 Ma. And the alkaline intrusives in the north and south sections of this belt have entirely different Sr, Nd and Pb isotopic characteristics, i.e., all the rocks in the south section have positive εSr(t) and negative εNd(t) values and all those in the north have the opposite values. On the εSr(t) versus εNd(t) correlation diagram, the samples from the south are concentrated along the enriched mantle evolution trend lines and nearby, while those from the north fall along the depleted mantle trend lines and nearby. On the Pb isotope composition diagram, most of the samples from the south section fall on the mantle Pb evolution line and nearby, while those from the north lie between the Pb evolution lines of the mantle and the erogenic belt. The above-stated isotopic characteristics not only indicate that the source rocks | YAN Guohan XU Baoliang MU Baolei WANG Guanyu CHANG Zhaoshan CHEN Tingli ZHAO Yongchao WANG Xiaofang ZHANG Renhu QIAO Guangsheng CHU Zhuyin | 2000 | Acta Geologica Sinica(English Edition)2000，74，4： | 18 |
| 2 | DRAGON-Lab―Next generation internet technology experiment platform显示文摘Testbed technology is very important in the development of the Internet. Similar to the present internet,next generation internet also starts from testbed. There are two kinds of testbeds,testbed networks like CNGI-CERNET2,Internet2,Geant;testbed systems like PlanetLab,NS2. DRAGON-Lab can be viewed as both testbed network and testbed system. DRAGON-Lab is an independent AS(autonomous system) and connected to multiple real networks. On the other hand,DRAGON-Lab integrates many resources of its own,partners' and internet's,so as to provide open service. DRAGON-Lab has a large scale,provides open service,supports remote visualized experiments and programmable experiments. More details will be introduced in this paper. | WANG JiLong LI ZhongHui LV GuoHan JIANG CaiPing LI Xing ZHANG QianLi | 2008 | Science in China(Series F)2008，51，11： | 6 |
| 3 | MnO_(2) cathode materials with the improved stability via nitrogen doping for aqueous zinc-ion batteries显示文摘The research and exploration of manganese-based aqueous zinc-ion batteries have been controversial of cycle stability and mechanism investigation,thus improving the stability and exploring storage mechanism are still the most main issue.Defect engineering has become an effective method to improve cycle stability.Herein,a nitrogen-doped ε-MnO_(2)(MnO_(2)@N)has been prepared using electrochemical deposition and heat treatment under nitrogen atmosphere.As the cathode for zinc-ion batteries,the capacity retention rate of MnO_(2)@N cathode is close to 100%after 500 cycles at 0.5 A g^(-1),while the capacity retention rate for the initial MnO_(2) cathode is 62%.At 5 A g^(-1),the capacity retention rate of MnO_(2)@N cathode is 83%after 1000 cycles,which is much higher than the 27%capacity retention rate for the original MnO_(2) cathode.And it can be found that the oxygen vacancies increase after nitrogen doping,which can improve the conductivity of the MnO_(2)@N cathode.Also,there is Mn-N bond in MnO_(2)@N,which can enhance the electrochemical stability of MnO_(2)@N cathode.In addition,the electrochemical mechanism of MnO_(2)@N cathode has been explored by the CV,GCD and GITT tests.It is found that nitrogen doping promotes the intercalation of H^(+) and the corresponding capacity contribution.Compared with the original MnO_(2) cathode,the diffusion coefficient of H^(+) and Zn^(2+) in MnO_(2)@N cathode increases.Also,the reactions during the charging and discharging process are explored through the ex-situ XRD test.And this work may provide some new ideas for improving the stability of manganese-based zinc-ion batteries. | Yanan Zhang Yanpeng Liu Zhenhua Liu Xiaogang Wu Yuxiang Wen Hangda Chen Xia Ni Guohan Liu Juanjuan Huang Shanglong Peng | 2022 | Journal of Energy Chemistry2022，31，1： | 6 |
| 4 | Geological Features of Triassic Alkaline and Subalkaline Igneous Complexes in the Yan-Liao Area显示文摘A number of Triassic (245-195 Ma) alkaline or subalkaline igneous complexes were discovered in theYan-liao area in the northern part of the North China platform. These complexes are all poor in SiO2; most ofthem are rich in Fe, Mg, K and P and such incompatible elements as Rb, Ba, U and Sr and REE; theinitial 87Sr / 86Sr ratios range from 0.7055 to 0.7057. They might have originated in the altered upper mantle.On that basis coupled with the distribution of the Triassic System and the tectonic deformation, it is suggestedthat there should have existed a tectono-magmatic belt in the area in Triassic time, which is an important mani-festation of the Indosinian movement in the area. | Mou Baolei Yan Guohan Department of Geology, Peking University, Beijing Fei Zhenbi | 1992 | Acta Geologica Sinica(English Edition)1992，66，4： | 5 |
| 5 | Topsoil organic carbon storage of China and its loss by cultivation显示文摘 | Song Guohan Li Liangqing Pan Zhenxing | 2005 | Biogeochemistry2005，74，3： | 1 |
| 6 | Topsoil organic carbon storage of China and its loss by cultivation显示文摘 | Guohan Song Lianqing Li Genxing Pan Qi Zhang | 2005 | Biogeochemistry2005，，1： | 1 |
| 7 | Topsoil organic carbon storage of China and its loss by cultivation显示文摘 | Song Guohan Li Lianqing Pan Genxing | 2005 | Biogeochemistry2005，74，1： | 1 |
| 8 | Magnetic multilayers on nanospheres显示文摘 | Albrecht M Guohan H Ildico L G | 2005 | Nature Mater2005，4，： | 1 |
| 9 | A Fast and Effective Multiple Kernel Clustering Method on Incomplete Data显示文摘Multiple kernel clustering is an unsupervised data analysis method that has been used in various scenarios where data is easy to be collected but hard to be labeled.However,multiple kernel clustering for incomplete data is a critical yet challenging task.Although the existing absent multiple kernel clustering methods have achieved remarkable performance on this task,they may fail when data has a high value-missing rate,and they may easily fall into a local optimum.To address these problems,in this paper,we propose an absent multiple kernel clustering(AMKC)method on incomplete data.The AMKC method rst clusters the initialized incomplete data.Then,it constructs a new multiple-kernel-based data space,referred to as K-space,from multiple sources to learn kernel combination coefcients.Finally,it seamlessly integrates an incomplete-kernel-imputation objective,a multiple-kernel-learning objective,and a kernel-clustering objective in order to achieve absent multiple kernel clustering.The three stages in this process are carried out simultaneously until the convergence condition is met.Experiments on six datasets with various characteristics demonstrate that the kernel imputation and clustering performance of the proposed method is signicantly better than state-of-the-art competitors.Meanwhile,the proposed method gains fast convergence speed. | Lingyun Xiang Guohan Zhao Qian Li Gwang-Jun Kim Osama Alfarraj Amr Tolba | 2021 | Computers, Materials & Continua2021，，4： | 1 |
| 10 | Topsoil organic carbon storage of china and its loss by cultivation 显示文摘 | SONG Guohan LI Lianqing PAN Genxing et a l | 2005 | Biogehemistry2005，74，： | 1 |
| 11 | MEK2 is a prognostic marker and potential chemo-sensitizing target for glioma patients undergoing temozolomide treatment显示文摘尽管 temozolomide (TMZ ) 是为 glioblastoma 的首要的化学疗法的代理人,它经常由于药抵抗是非药品。克服 glioblastoma 房间的抵抗到 TMZ,为结果预言识别预示的标记并且开发敏化 chemo 代理人是必要的。这里, TMZ 抵抗、 TMZ 敏感的样品的基因表示侧面被 microarray 分析,和激活 mitogen 的蛋白质 kinase kinase 比较(MEK2 ) 2 在抵抗 glioma 房间然而并非在敏感肿瘤房间或非肿瘤纸巾明确地是 upregulated。而且,耐心的数据的全面分析表明 MEK2 表示的增加的水平响应 TMZ 治疗与 glioma 等级和更坏的预后的前进相关很好。而且,在 U251 glioma 房间线或 xenografted glioma 减少 MEK2 的水平通过调停 shRNA 的基因为击倒的禁止的房间增长建模并且向 TMZ 治疗提高了房间的敏感。从由即时 PCR 的 glioma 病人的肿瘤样品的进一步的分析显示增加的 MEK2 表示水平仔细与许多药抵抗基因的激活被联系。最后,在 MEK2 是在 vitro 的 silenced 以后,这些抵抗基因是 downregulated,建议导致 MEK2 的 chemo 抵抗的机制能被这些抵抗基因的 transcriptional 激活调停。一起,我们的数据显示 MEK2 的表示水平能为 glioma 化疗用作一个预示的标记并且 MEK2 对手能被用作 chemo-sensitizers 提高 TMZ 的治疗功效。 | Hua He Maojin Yao Wenhao Zhang Bangbao Tao Feili Liu Shu Li Yan Dong Chenran Zhang Yicheng Meng Yuxin Li Guohan Hu Chun Luo Hui Zong Yicheng Lu | 2016 | Cellular & Molecular Immunology2016，13，5： | 1 |
| 12 | BCube: A highperformance, server-centric network architecture for modulardata centers 显示文摘 | Guo Chuanxiong Lu Guohan Li Dan* | 2009 | ACM SIGCOMM2009，39，4： | 1 |
| 13 | Topsoil organic carbon storage of China and its loss by cultivation显示文摘 | Song Guohan Li Lianqing Pan Genxing | 2005 | Biogeochemistry2005，74，： | 1 |
| 14 | A skarn-type lead-zinc deposit related to low ^(18)O magma显示文摘THE Baiyinnuo skarn-type lead-zinc deposit occurs within the Da Hinggan Mountains, in theBalinzuo County 360 km north of the Chifeng City, the Inner Mongolia Autonomous Region.Skarns minerals and relevant igneous rocks in the deposits are extremely depleted in 18O. Thephenomena are also found in other skarn-type lead-zinc deposits in the Baiyinnuo region andshould be further studied. | MU Baolei, SHAO Jian, WANG Guanyu, YAN Guohan and Al YongfuDepartment of Geology , Peking University, Beijing 100871, China | 1997 | Chinese Science Bulletin1997，42，19： | 1 |
| 15 | Topsoil organic carbon storage of China and its loss by cultivation显示文摘 | Guohan Song Lianqing Li Genxing Pan Qi Zhang | 2005 | Biogeochemistry2005，，1： | 1 |
| 16 | Role of chemical protection by binding to oxyhydrates in SOC sequestration in three typical paddy soils under long-term agro-ecosystem experiments from South China显示文摘 | Ping Zhou Guohan Song Genxing Pan Lianqing Li Xuhui Zhang | 2009 | Geoderma2009，，1： | 1 |
| 17 | Top-soil organic carbon storage of China and its loss by cul-tivation 显示文摘 | Song Guohan Li Lianqing Pan Genxing | 2005 | Biogeochemistry2005，74，1： | 1 |
| 18 | MicroRNA-21 targets LRRFIP1 and contributes to VM-26 resistance in glioblastoma multiforme显示文摘 | Yiming Li Weiqing Li Yongji Yang Yicheng Lu Cheng He Guohan Hu Huimin Liu Juxiang Chen Jin He Hongyu Yu | 2009 | Brain Research2009，，： | 1 |
| 19 | Triassic alkaline intrusives in the YanLiao-Yanshan area:their chronoogy,Sr,Nd and Pb isotopic characteristics and their implication显示文摘 | Yan Guohan Mu Baolei Xu Baoliang | 1999 | Science in China(Series D)1999，42，6： | 1 |
| 20 | Topsoil organic carbon storage of China and its loss by cultivation显示文摘 | Guohan Song Lianqing Li Genxing Pan | 2005 | Biogeochemistry2005，74，1： | 1 |
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