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| 1 | Creep behaviour and constitutive model of coal filled with gas显示文摘Coal exhibits different creep behaviours when filled with different amounts of gas. Creep tests of coal filled with 0 and 0.5 MPa gas were performed, and strain under different axial stress was compared.The three creep constitutive models which were analysed using the method fitting experimental data for determining which creep model can reflect the creep process of the test best. The results show that the deformation of coal filled with 0.5 MPa gas is more higher than that of coal filled with 0 MPa gas under the same axial stress. Gas plays a positive effect on the deformation of coal process and will accelerate creep process. And gas will reduce coal intensity and change coal creep properties.Compared with Nishihara Model and Extensional Nishihara Model, Burgers Model can reflect the three stages of creep process of coal filled with gas better. The research results can contribute to reveal coal and gas outburst mechanism. | Li Xiangchun Yang Chunli Ren Ting Nie Baisheng Zhao Caihong Liu Shuiwen Jiang Tao | 2017 | International Journal of Mining Science and Technology2017，27，5： | 3 |
| 2 | Location and size regulation of manganese oxides within mesoporous silica for enhanced antibiotic degradation显示文摘Refractory antibiotics in domestic wastewater are hard to be completely eliminated by conventional methods,and then lead to severe environmental contamination and adverse effects on public health.In present work,advanced oxidation processes(AOPs)are adopted to remove the antibiotic of sul-fachloropyridazine(SCP).Nanosized Mn_(2)O_(3) was fabricated on the SBA-15 material to catalytically acti-vate potassium peroxydisulfate(PDS)to generate reactive oxygen radicals of.OH and SO_(4).for SCP degradation.The effects of location and size of Mn_(2)O_(3) were explored through choosing either the as-made or template free SBA-15 as the precursor of substrate.Great influences from the site and size of Mn_(2)O_(3) on the oxidation activity were discovered.It was found that Mn_(2)O_(3) with a large size at the exterior of SBA-15(Mn-tfSBA)was slightly easier to degrade SCP at a low manganese loading of 1.0-2.0 mmol.g;however,complete SCP removal could only be achieved on the catalyst of Mn_(2)O_(3) with a refined size at the interior of SBA-15(Mn-asSBA).Moreover,the SO_(4).species were revealed to be the decisive radicals in the SCP degradation processes.Exploring the as-made mesoporous silica as a support provides a new idea for the further development of environmentally friendly catalysts. | Min Lu Mengxuan Liu Chunli Xu Yu Yin Lei Shi Hong Wu Aihua Yuan Xiao-Ming Ren Shaobin Wang Hongqi Sun | 2022 | Chinese Journal of Chemical Engineering2022，35，8： | 3 |
| 3 | Yield modeling of elliptical defect显示文摘Physical defects have always played an important role in integrated circuit(IC)yields,and the design sensitivity to these physical elements has continued to increase in today’s nanometer technologies.The modeling of defect out-lines that exhibit a great variety of defect shapes is usually modeled as a circle,which causes the errors of critical area estimation.Since the outlines of 70%defects approximate to elliptical shapes,a novel yield model associated with elliptical outlines of defects is presented.This model is more general than the circular defects model as the latter is only an instance of the proposed model.Comparisons of the new and circular models in the experiment show that the new model can predict yield caused by real defects more accurately than what the circular model does,which is of significance for the prediction and improvement of the yield. | WANG Junping HAO Yue ZHANG Zhuokui REN Chunli LI Kang FANG Jianping | 2007 | Frontiers of Electrical and Electronic Engineering in China2007，2，1： | 0 |
| 4 | DIRECTION-OF-ARRIVAL ESTIMATION BY CONTINUATION METHOD显示文摘In this paper, the subspace fitting models for direction-of-arrival (DOA) estimation is analyzed, an effective algorithmic approach is given. As the initialization value is so critical to the global convergence, the continuation theory is also used to develop a new framework which solves the initialization problem powerfully. Some numerical evidence will be given to show that the performance of the new algorithm is very promising. | Li Youming Xu Chen Ren Chunli(Dept. Appl. Math., Xidian Univ., Xi’an 710071)(Dept. of Software, Shenzhen Univ., Shenzhen 518060) | 1999 | Journal of Electronics(China)1999，16，2： | 0 |
| 5 | New Short-lived Neutron-de cient Isotope ^(220)Np显示文摘Alpha decay,as a pervasive decay mode of unstable heavy nuclei,plays a crucial role in the identification of new superheavy elements and investigation on nuclear structure of exotic nuclei near the proton drip line. | Zhang Zhiyuan Gan Zaiguo Yang Huabin Ma Long Huang Minghui Yang Chunli Zhang Mingming Tian Yulin Wang Yongsheng Sun Mingdao Lu Hongyang Zhang Wenqiang Zhou Houbin Wang Xiang Wu Chenguang Duan Limin Huang Wenxue Liu Zhong Ren Zhongzhou Zhou Shangui Zhou Xiaohong Xu Hushan Tsyganov Yury Voinov Alexey Polyakov Alexander | 2019 | IMP & HIRFL Annual Report2019，，1： | 0 |
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