作者： Jiang, He;Khan, Muhammad Asif;Li, Zhilong;Ali, Zulfiqar;Ali, Farman;Gul, Sajid （¹School of Statistics, Jiangxi University of Finance and Economics, Nanchang, China;²Department of Statistics, Islamia College University, Peshawar, Pakistan;³Department of Pharmacy, Sarhad University of Science & Information Technology, Peshawar, Pakistan;⁴Department of Statistics, Quaid-i-Azam University, Islamabad, Pakistan;⁵School of Mathematics and Statistics, Beijing Institute of Technology, Beijing, China;⁶School of Mathematics and Statistics, Zhengzhou University, Zhengzhou, China）

出处： Tellus, Series A: Dynamic Meteorology and Oceanography 2020 Vol.72 No.1 P1-26

摘要： Changes in the climate and weather conditions, as well as rising earths average temperature are likely to escalate deterioration of global drought occ ...

发明人： 滕宏辉，周林，张义宁，杨鹏飞

申请人： 北京理工大学，北京动力机械研究所

申请号： 202011439758.7

申请日期： 2020.12.10

摘要： 本发明提供一种针对燃料爆震燃烧的两步反应模型计算方法，包括根据已有基元反应模型计算燃料爆震波关键参数，选取典型关键参数构建燃料爆震燃烧两步诱导‑放热反应模型，采用实验及数值模拟验证所述两步反应模型；通过建模使两步反应模型对应燃料稳定性参数与基元反应模型一致，保证两步反应模型在爆震波稳定性描述方面与复 ...

作者： Aung, Naing Win¹;Zhang, Shiqiang¹;Cao, Yueqi¹;Sun, Huafei¹; （¹School of Mathematics and Statistics, Beijing Institute of Technology, Beijing, 100081, China）

出处： Beijing Ligong Daxue Xuebao/Transaction of Beijing Institute of Technology 2020 Vol.40 No.5 P576

摘要： In this paper, an inverse kinematics issue of robot was studied based on the properties of Jacobi matrices. Especially, the cases with the redundancy ...

作者： Deng, Yuxing¹;Zhu, Xiaohua²; （¹School of Mathematics and Statistics, Beijing Institute of Technology, Beijing, 100081, China;²School of Mathematical Sciences, BICMR, Peking University, Beijing, 100871, China）

出处： Proceedings of the American Mathematical Society 2020 Vol.148 No.7 P3073

摘要： In this paper, we give a complete classification of κ-solutions of Kähler-Ricci flow on compact complex manifolds. Namely, they must be quotients of p ...

作者： 张 杰 （北京理工大学数学与统计学院，北京）

出处： Advances in Education 2020 Vol.10 No.6 P1114-1119

关键词： Geogebra;大学数学;动态软件;Geogebra;College Mathematics;Dynamic Software

摘要： In this paper, from the perspective of enriching teaching methods and improving students’ participation in classroom teaching, we make a simple analys ...

作者： 李春辉;张 杰;孙华飞;闫桂峰 （北京理工大学，数学与统计学院，北京）

出处： Advances in Education 2020 Vol.10 No.5 P754-760

关键词： 线性代数;融合式教学;在线教学;Linear Algebra;Integrated Teaching;Online Teaching

摘要： Linear Algebra is one of basic courses of engineering majors of colleges and universities. It is widely used in engineering, computer, information and ...

作者： 赵 阳^;; （北京理工大学数学与统计学院，北京）

出处： Advances in Education 2020 Vol.10 No.1 P71-75

关键词： 概率空间;思辨教学;贝特朗悖论;Probability Space;Speculative Teaching;Bertrand Paradox

摘要： Probability space is an important concept in probability theory and a platform for all knowledge and problems. This paper explains the origin of proba ...

作者： 白天，侯旭，王典朋 （北京理工大学数学与统计学院）

出处： 系统科学与数学 2020 第40卷 第2期 P341-354

关键词： 感度试验；两阶段优化序贯试验；感度分布中位数

摘要： 感度试验在爆炸科学领域有非常广泛的应用,其中位数是含能材料的一个关键性能指标.高效估计感度分布中位数是实际工程应用中的重要问题.文章提出一种两阶段的优化序贯试验设计方法来估计感度分布的中位数,并将正交设计与两阶段优化序贯试验设计方法相结合给出了筛选影响含能材料安定性重要因子的试验设计方法.广泛的模拟 ...

作者： M. Ijaz Khan¹;CA;Seifedine Kadry²;Yu-Ming Chu^3,4;CA1;Waqar Azeem Khan⁵;Amit Kumar⁶; （¹Department of Mathematics, Riphah International University, Faisalabad Campus, Faisalabad, 38000 Pakistan;²Department of Mathematics and Computer Science, Beirut Arab University, Beirut, Lebanon;³Department of Mathematics, Huzhou University, Huzhou 313000, PR China;⁴Hunan Provincial Key Laboratory of Mathematical Modeling and Analysis in Engineering, Changsha University of Science & Technology, Changsha 410114, PR China;⁵School of Mathematics and Statistics, Beijing Institute of Technology, Beijing 100081, PR China;⁶Department of Mathematics, National Institute of Technology, Jamshedpur-831014, Jharkhand, India）

出处： Journal of Materials Research and Technology 2020 Vol.9 No.5 P10265-10275

关键词： Ree-Eyring fluid model;Homogeneous-heterogeneous reactions;Joule heating;Non-linear radiative heat flux;Entropy generation;Brownian and thermophoresis diffusions

摘要： In this present communication, we proposed the mathematical model for non-Newtonian liquid (Ree-Eyring model) towards a stretched surface. The Buongio ...

作者： Jing Wang¹;W.A. Khan^2,3;CA1;Z. Asghar⁴;M. Waqas⁴;M. Ali⁵;M. Irfan⁶; （¹School of Information, Beijing Wuzi University, Beijing 101149, PR China;²School of Mathematics and Statistics, Beijing Institute of Technology, Beijing 100081, PR China;³Department of Mathematics, Mohi-ud-Din Islamic University, Nerian Sharif, 12010 Azad Jammu & Kashmir, Pakistan;⁴NUTECH School of Applied Sciences and Humanities, National University of Technology, Islamabad, 44000, Pakistan;⁵Department of Mathematics and Statistics, Hazara University, Mansehra 21300, Pakistan;⁶Department of Mathematics, Quaid-I-Azam University 45320, Islamabad 44000, Pakistan）

出处： Computer Methods and Programs in Biomedicine 2020 Vol.188 P105274

关键词： Carreau nanoliquid;Entropy generation;Viscous dissipation;Activation energy;Bvp4c scheme

摘要： Background and objective Developed electronic mechanisms frequently deal with defies about thermal management from developed phase of heat diminution ...