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| 1 | Dynamic Model and Motion Mechanism of Magnetotactic Bacteria with Two Lateral Flagellar Bundles显示文摘 | Cenyu Yang Chuanfang Chen Qiufeng Ma Longfei Wu Tao Song | 2012 | Journal of Bionic Engineering2012，9，2： | 4 |
| 2 | Effects of 80 MeV/u ^(12)C^(6+) Ion Radiation Mouse Head on Immunity Cell Cycle Distributions显示文摘After whole head irradiation (WHI) of mice with heavy ions, we study the changes of cycle distribution of bone marrow, spleen and peripheral lymphocyte cells, and the aim is to provide basic data for space radiation protection and biological object oriented ion therapy. The heads of the BALB/c mice were irradiated with 0, 0. 5, 1,2, 4 or 10 Gy by 12C6+ ions (80 MeV/u, 1 Gy/min) and then the cell cycle distribu- | Bing Tao, Dang Bingrong, Xie Yi, Li Wenjian,Ma Qiufeng, Wang Jufang, Qiu Rong Zhou Libin, Guo Chuanling,Jing Xigang, Zhang Hong, Li Qiang Yuan Zhigang and Ma Shuang | 2005 | 近代物理研究所和兰州重离子加速器实验室年报:英文版2005，，1： | 0 |
| 3 | Effects of ^(12)C^(6+) Ion Radiation Tumor on Male H22 Tumor-bearing BALB/c Mice显示文摘The changes of cycle distribution of spleen, thymus, peripheral lymphocyte and tumor cells are studied in the present study, which aims to provide basic data for object-oriented biological hadrontherapy (OOBHT). The tumor of male H22 tumor-bearing BALB/c mice was irradiated by 58 MeV/u12C6+ ions with 0, 2 or 4 Gy. After irradiation of 16 h, the cells were arrested and the cell cycle distribution was ana- | Bing Tao Dang Bingrong Xie Yi Li Wenjian Ma Qiufeng Wang Jufang Li Qiang Zhang Hong Guo Hongyun Li Xueping Li Dexing Gao Bo Liang Tao Hu Qingrong Zhang Yongdong | 2005 | 近代物理研究所和兰州重离子加速器实验室年报:英文版2005，，1： | 0 |
| 4 | Cognition and Motivation:Analysis of the Willingness of Potential Trustors in Land Trusteeship Based on the Survey and Research of Land Trusteeship Experiment in X Prefecture,Xinjiang显示文摘The problem of identifying and absorbing new demand subjects in the operation of land trusteeship in X Prefecture is prominent.Under the guidance of studying the willingness of farmers in X Prefecture to participate in land trusteeship,this paper makes statistical analysis and empirical analysis.Finally,it is concluded that the willingness of farmers to participate in land trusteeship is related to farmers'agricultural operation,farmers'awareness of land trusteeship and incentive factors related to government policies.The better the situation of farmers'agricultural operation,the lower their trusteeship willingness.Farmers'awareness of land trusteeship and policy-related incentive factors play a positive role in promoting their willingness. | Qiufeng LI Haixia MA | 2022 | Asian Agricultural Research2022，14，6： | 0 |
| 5 | Mass Deposition Induced by Implantation of Low Energy Fe^+ Ions into Amino Acids显示文摘Fe^+ion beams with the energy of 110keV were implanted into films ofL(+)-cysteine[HSCH^2CH(NH^2)COOH].One of the single crystals grown in hydrochloric acid solution with the implanted samples through slow evapo-ration was structurally characterized by X-ray crystallography.The crystal is monoclinic,space group C2。 | Yuan Shibin, Wei Zengquan, Li Wenjian, Dang Bingrong, Li Qiang, Zhou GuangmingWang Jufang, Xie Hongmei, Hao Jifang, Ma Qiufeng, Zhao Limin, Wang JingyanFu Baojun, Li Hengyuan, Gao Qingxiang1 and Li Haiyan1 School of Life Sciences, Lanzhou University. | 2001 | IMP & HIRFL Annual Report2001，，1： | 0 |
| 6 | Research of Effect of ^(60)Co γ-ray Irradiation on Cell Cycle of SMMC-7721 Tumor Cell with Flow Cytometery显示文摘The resultsMost researchof cell cycle play an important role in resear, ching tumor occurrence, development and treatment. results show that malignant grade and pharmic sensitivity of tumor are relative to cell cycle. The sensitivity of medications is different to different phases of cell cycle of tumor. In general, the cell of M are more sensitivity. On the side, different medications have different action in different cell cycle. The irradiation can change cell cycle proccss and can induce the pattern of changes in cell cycle. For cxamplc, G1 arrest, G2 arrest and S arrest. So, thc research rcsults of tumor cell cycle in different irradiation have not only biological means but also realistic means for selecting chemical therapy medication after radiotherapy. | Dang Bingrong, Ma Qiufeng, Gao Qingxiang, Li Wenjian, Hao Jifang, Xie Yi and Guo Chuanling | 2003 | 近代物理研究所和兰州重离子加速器实验室年报:英文版2003，，1： | 0 |
| 7 | Study on Plasmid and Damage Induced by Low-energy Neon Ion Irradiation显示文摘DNA is considered to be the most important and sensitive target in biological systems. Beside base damage, DNA strand breaks are the major lesion in the genome due to exposure to ionizing radiation. Mutation can be introduced to DNA as a result of enzymatic processing of DNA lesions or post-irradiation replication. However, the mechanisms of radiation-induced mutations are not well clarified at the molecular level. A good way to approach the mechanism is to irradiate the plasmid DNA of heavy ion, then transfect the DNA to host cells to determine the mutation spectra. So to study the effect of heavy ions on the simple plasmid DNA is even predominant or more feasible. | Ma Qiufeng, Wang Xiao, Jin Genming, Li Wenjian, Dang Bingrong, Xie HongmeiZhou Libin and Mao Shuhong | 2003 | 近代物理研究所和兰州重离子加速器实验室年报:英文版2003，，1： | 0 |
| 8 | Effects of Nitric Oxide on Growth and Sensitivity of Human Glioma A172 Cells to ^(60)Co and X-ray Radiation显示文摘Nitric oxide (NO)has been implicated both in regression and progression of tumors due to its production by both tumor cells and infiltrating lymphocytes. Ionizing radiation causes the regression of tumors, and can augment the production of NO by macrophages in vitro. The authors examined the effect of nitric oxide (NO) generating agent sodium nitroprusside (SNP) on the growth and radiosensitivity of cultured glioma A172 cells to ^60Co or X-ray radiation. | Qiu Rong, Liu Bing, Guo Chuanling, Li Wenjian, Ma Qiufeng and Li Sha | 2003 | 近代物理研究所和兰州重离子加速器实验室年报:英文版2003，，1： | 0 |
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