用于生物质水相加氢多相负载型金属催化剂的稳定策略（英文... CNKI文献
生物质是天然的可再生能源和资源,具有来源广泛、储量丰富、价格低廉的优点以及可转化为高附加值化学品的多功能性,因此作为传统化石能源替代材料受到广泛关注和研究.将生物质通过催化转化为平台化合物再进一步利用是...
C-N键广泛存在于药物、天然产物和功能材料中,而氮中心自由基在C-N键的构建中起到关键作用.但是,与广泛使用的碳中心自由基相比,氮中心自由基由于缺乏实用简便的产生方法而尚未得到充分研究.因此,发展高效的氮中心自由...
碳辅助金属配合物热解法制备高含量Fe-N_4单原子催化剂用于... CNKI文献
单原子催化剂凭借其超高的原子利用率及在某些反应中表现出的出色催化效果,被认为是最有前途的电催化剂之一,引起了研究人员的极大热情和兴趣.制备高金属含量的单原子催化剂是基础研究和实际应用的前提和关键.然而,由...
蒋军生 韦何磊... 《Chinese Journal of Catalysis》 2021年05期 期刊
关键词： Fe-N_4单原子催化剂 / 氧还原反应 / 高含量 / 配位效应
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贫燃/富燃循环气氛下原位活化Pd负载钙钛矿催化剂促进NO_x还... CNKI文献
稀燃发动机通过提高空燃比来改善燃油经济性,减少CO_2排放.但由于空燃比较高,稀燃发动机尾气中的NO_x无法通过传统的三效催化技术有效消除.为了解决这一问题,适用于稀燃条件的NO_x储存还原(NSR)技术得到了开发和应用....
目前由纤维素制生物乙醇的工艺主要由生物酶解法实现,但酶解法的效率低且经济性差;此外,生物酶发酵每产生1mol乙醇的同时副产1 mol CO_2,导致原子经济性低.本文开发了一种通过连续氢解玉米秸秆纤维素转化为高浓度生物...
高频感应等离子体流动模型与微型电推进器流场特性分析 CNKI文献
微型射频离子推力器具有结构简单、工作寿命长、推力动态范围大、性能调节响应灵敏等特点,是国际微电推进领域的研究热点之一.射频离子推力器电离室内的感性耦合放电等离子体特性和推力器的性能密切相关.为此,文章建立...
Controllability of Quantum Systems with SU (1, 1) Dyna... CNKI文献
This paper presents sufficient and necessary conditions for the propagator controllability of a class of infinite-dimensional quantum systems with SU(1, 1) dynamical symmetry through the isomorphic m...
WU Jianwu WU Rebing... 《Journal of Systems Science & Complexity》 2021年03期 期刊
关键词： Control / of / quantum / mechanical
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Sampled-Data Stabilization of a Class of Stochastic No... CNKI文献
This paper investigates the stabilization issue for a class of sampled-data nonlinear Markov switching system with indistinguishable modes. In order to handle indistinguishable modes, the authors rec...
ZHANG Qianqian KANG Yu... 《Journal of Systems Science & Complexity》 2021年03期 期刊
关键词： Controller / design / Euler-Maruyama / approximate
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Event-Triggered L_1-Gain Control of Nonlinear Positive... CNKI文献
This paper is concerned with the event-triggered L_1-gain control of a class of nonlinear positive switched systems. First, an event-triggering condition in the form of 1-norm is presented for the sy...
ZHANG Junfeng LIU Laiyou... 《Journal of Systems Science & Complexity》 2021年03期 期刊
关键词： Event-triggered / control / input / saturation
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Finite-Time Stochastic Stability of Random Impulsive P... CNKI文献
The paper focuses on the finite-time stochastic stability(FTSS) problems for positive system with random impulses. Combining Lyapunov functions with the probability property of the impulsive interval...
YOU Lijie MU Xiaowu 《Journal of Systems Science & Complexity》 2021年03期 期刊
关键词： Finite-time / stochastic / stability / positive
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H_2/H_∞ Control for Stochastic Jump-Diffusion Systems... CNKI文献
In this paper, a stochastic H_2/H_∞ control problem is investigated for Poisson jumpdiffusion systems with Markovian switching, which are driven by a Brownian motion and a Poisson random measure wit...
WANG Meijiao MENG Qingxin... 《Journal of Systems Science & Complexity》 2021年03期 期刊
Bipartite Consensus of Linear Multi-Agent Systems by D... CNKI文献
For multi-agent systems with competitive and collaborative relationships, signed graph can more intuitively express the characteristics of their interactive networks. In this paper, the bipartite con...
YANG Ruitian PENG Li... 《Journal of Systems Science & Complexity》 2021年03期 期刊
关键词： Bipartite / consensus / coopetition / networks
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Distributed Finite-Time Integral Sliding-Mode Control ... CNKI文献
This paper proposes a finite-time consensus control algorithm based on nonlinear integral sliding-mode control for second-order multi-agent systems(MASs) with mismatched and matched disturbances. Fir...
YANG Yize LIU Fan... 《Journal of Systems Science & Complexity》 2021年03期 期刊
关键词： Finite-time / consensus / integral / sliding-mode
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Brexit and Its Impact on the US Stock Market CNKI文献
This paper firstly analyzes the Brexit's impact on the US stock market using a novel interval methodology. The interval-valued dummy variables are proposed to measure the direction and magnitudes...
QIAO Kenan LIU Zhengyang... 《Journal of Systems Science & Complexity》 2021年03期 期刊
Stochastic Petri Net Based Modeling of Emergency Medic... CNKI文献
The post-disaster emergency medical rescue(EMR) is critical for people's lives. This paper presents a stochastic Petri net(SPN) model based on the process of the rescue structure and a Markov cha...
SUN Huali LIU Jiaguo... 《Journal of Systems Science & Complexity》 2021年03期 期刊
关键词： Earthquake / disaster / emergency / medical
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Homotopy Analysis Method for Portfolio Optimization Pr... CNKI文献
This paper considers the Merton portfolio optimization problem for an investor that aims at maximizing the expected power utility of the terminal wealth and intermediate consumption. Applying the hom...
YANG Shuquan JIA Zhaoli... 《Journal of Systems Science & Complexity》 2021年03期 期刊
Empirical Likelihood Test for Regression Coefficients ... CNKI文献
This paper considers tests for regression coefficients in high dimensional partially linear Models. The authors first use the B-spline method to estimate the unknown smooth function so that it could ...
LIU Yan REN Mingyang... 《Journal of Systems Science & Complexity》 2021年03期 期刊
关键词： Empirical / likelihood / test / high
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Robust Regression Analysis for Clustered Interval-Cens... CNKI文献
Clustered interval-censored failure time data often occur in a wide variety of research and application fields such as cancer and AIDS studies. For such data, the failure times of interest are interv...
LUO Lin ZHAO Hui 《Journal of Systems Science & Complexity》 2021年03期 期刊
关键词： Clustered / data / interval-censoring / random
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Empirical Likelihood Based Diagnostics for Heterosceda... CNKI文献
This paper proposes an empirical likelihood based diagnostic technique for heteroscedasticity for semiparametric varying-coefficient partially linear models with missing responses. Firstly, the autho...
LIU Feng GAO Weiqing... 《Journal of Systems Science & Complexity》 2021年03期 期刊
关键词： Empirical / likelihood / ratio / heteroscedasticity
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Computing μ-Bases of Univariate Polynomial Matrices U... CNKI文献
This paper extends the notion of μ-bases to arbitrary univariate polynomial matrices and present an efficient algorithm to compute a μ-basis for a univariate polynomial matrix based on polynomial m...
HUANG Bingru CHEN Falai 《Journal of Systems Science & Complexity》 2021年03期 期刊
关键词： Computational / complexity / matrix / factorization
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