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110 papers found.
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High-performance anode materials for Na-ion batteries

Na-ion batteries are considered a promising alternative to Li-ion batteries for large-scale energy storage systems due to their low cost and the natural abundance of Na resource. Great effort is making worldwide to develop high-performance electrode materials for Na-ion batteries, which is critical for Na-ion batteries. This review provides a comprehensive overview of anode...

Multi-objective robust resource allocation for secure communication in full-duplex MIMO systems

In this paper, we study robust resource allocation for the multi-user full-duplex (FD) multiple-input multiple-output (MIMO) communication systems. Particularly, we aim at minimizing uplink (UL) transmit power and downlink (DL) transmit power simultaneously while guaranteeing the quality of service (QoS) requirements regarding secure UL and DL communication, under the...

Does cyclic water stress damage wheat yield more than a single stress?

Guo. Writing ± original draft: Jinfeng Ding. Writing ± review & editing: Jinfeng Ding, Min Zhu. 13 / 15 14 / 15 1. Wollenweber B , Porter JR , Schellberg J . Lack of interaction between extreme high

Dynamical behaviour of a generalist predator-prey model with free boundary

In this paper, we consider a free boundary problem describing the invasion of a generalist predator into a prey population. We analytically derive the conditions guaranteeing the existence and uniqueness of the classical solution by means of the Schauder fixed point theorem, and further study the long-time behaviours of these two species. Finally, we numerically investigate the...

The C programming Micro lecture designing mode study in mobile learning circumstance

With the exuberant developing of mobile communication tech and education resources, the mobile, non-formal, fragmented, personal learning concepts started to threaten the traditional college education. This article explored the function that the Micro lecture applying in the personal study of students in the C program course education based on mobile learning circumstance...

Different Effects of Thiazolidinediones on In-Stent Restenosis and Target Lesion Revascularization after PCI: A Meta-Analysis of Randomized Controlled Trials

Shenjie Chen Min Zhu Junyi Hua Jin Dai Xiaoming Xu Yuangang Qiu Wei Mao OPEN Published: xx xx xxxx In-stent restenosis (ISR) remains the leading problem encountered after percutaneous coronary

Analysis of a predator-prey model with Lévy jumps

This paper deals with a predator-prey model of Beddington-DeAngelis type functional response with Lévy jumps. The proposed mathematical model consists of a system of two stochastic differential equations to stimulate the interactions between predator population and prey population. The dynamics of the system is discussed mainly from the point of view of persistence and extinction...

A proteomic approach to understanding the pathogenesis of idiopathic macular hole formation

Idiopathic macular holes (IMH) are full-thickness defects of retinal tissue that cause severe vision loss due to disruption of the anatomic fovea. Abnormal vitreous traction is involved in the formation of macular holes. Both glial cells and hyalocytes contribute to epiretinal membrane formation in IMH. In order to gain further insight into the pathophysiology of IMH, we...

Effect of nitrogen levels and nitrogen ratios on lodging resistance and yield potential of winter wheat (Triticum aestivum L.)

/ 17 Supervision: Jinfeng Ding. Validation: Chaonian Feng, Xinkai Zhu. Writing ± original draft: Mingwei Zhang, Xinkai Zhu. Writing ± review & editing: Min Zhu, Chaonian Feng. 16 / 17 1. Berry PM

Teaching of Chinese grammars for Hungarian students and study of teaching-grammars

The author taught foreign students Chinese in the Confucius Institute of EötvösLo-ránd University in Hungary for two years. The mother tongue of Hungarian students is Hungarian in most cases. As Hungarian language (hereinafter referred to as “Hungarian”) is a typical agglutinative language while Chinese is a typical isolating language, there are immeasurably vast differences...

Teaching of Chinese grammars for Hungarian students and study of teaching-grammars

The author taught foreign students Chinese in the Confucius Institute of EötvösLo-ránd University in Hungary for two years. The mother tongue of Hungarian students is Hungarian in most cases. As Hungarian language (hereinafter referred to as “Hungarian”) is a typical agglutinative language while Chinese is a typical isolating language, there are immeasurably vast differences...

Stochastic nonautonomous Gompertz model with Lévy jumps

This paper deals with stochastic nonautonomous Gompertz model with Lévy jumps. To begin with, the existence of a global positive solution and an explicit solution have been derived. In addition, asymptotic moment properties are discussed. Besides, sufficient conditions for extinction, persistence in mean, and weak persistence are obtained. It is proved that the variability of L...

Optimization of InGaAs/InAlAs Avalanche Photodiodes

In this paper, we report a two-dimensional (2D) simulation for InGaAs/InAlAs separate absorption, grading, charge, and multiplication avalanche photodiodes (SAGCM APDs) and study the effect of the charge layer and multiplication layer on the operating voltage ranges of APD. We find that with the increase of the thicknesses as well as the doping concentrations of the charge layer...

A new osteichthyan from the late Silurian of Yunnan, China

Our understanding of early gnathostome evolution has been hampered by a generally scant fossil record beyond the Devonian. Recent discoveries from the late Silurian Xiaoxiang Fauna of Yunnan, China, have yielded significant new information, including the earliest articulated osteichthyan fossils from the Ludlow-aged Kuanti Formation. Here we describe the partial postcranium of a...

The association between vitamin D and COPD risk, severity, and exacerbation: an updated systematic review and meta-analysis

The association between vitamin D and COPD risk, severity, and exacerbation: an updated systematic review and meta-analysis Min Zhu, Ting Wang, Chengdi Wang, Yulin Ji Department of Respiratory and

Glucose- and temperature-sensitive nanoparticles for insulin delivery

access to scientific and medical research huanling Wu 1 shu-De li 4 li-Min Zhu 1 Introduction Diabetes is a highly prevalent chronic metabolic disease in which the body is unable to regulate effectively

Research on Inferring ELECTRE-III’s Parameters with Fuzzy information and A Case on Naval Gun Weapon System Integration

Multiple attributes decision making (MADM) method is an important measure for system integration. Robustness analysis on MADM is a hotspot in these years which wins academe’s great attention, and is supposed to be an effective way when countering imperfect information. Setting parameters in ELECTRE-III’s is a vital and difficult step. In this paper, a method of inferring ELECTRE...

Early Gnathostome Phylogeny Revisited: Multiple Method Consensus

A series of recent studies recovered consistent phylogenetic scenarios of jawed vertebrates, such as the paraphyly of placoderms with respect to crown gnathostomes, and antiarchs as the sister group of all other jawed vertebrates. However, some of the phylogenetic relationships within the group have remained controversial, such as the positions of Entelognathus, ptyctodontids...

SpinachDB: A Well-Characterized Genomic Database for Gene Family Classification and SNP Information of Spinach

Spinach (Spinacia oleracea L.), which originated in central and western Asia, belongs to the family Amaranthaceae. Spinach is one of most important leafy vegetables with a high nutritional value as well as being a perfect research material for plant sex chromosome models. As the completion of genome assembly and gene prediction of spinach, we developed SpinachDB (http://222.73.98...

PCR-Based Identification of Oral Streptococcal Species

The microbial etiology of dental caries is still debated. Among the hypothesized contributors are the “low pH streptococci,” a designation given to unusually acid proficient strains among the primary plaque colonizers S. oralis, S. mitis, S. gordonii, and S. anginosus. However, accurate assignment of species is difficult among the oral streptococci. Our objective was to develop a...