Explanipedia

Optimal information disclosure policies in an M/M/1 vacation queueing model Open

Yingying Pan, Jingchuan Zhang, Zaiming Liu · 2025

Research on the Measurement System and Remote Calibration Technology of a Dual Linear Array Camera Open

Bin Feng, Zaiming Liu, Haofei Zhang, Haozhe Fan · 2024

In order to accurately measure the flight trajectory of the projectile in a long-distance target range, it is important to establish a vertical target measurement system with a two-line array camera at several positions along the range. In…

Predicting Insolvency of Insurance Companies in Egyptian Market Using Bagging and Boosting Ensemble Techniques Open

Ahmed A. Khalil, Zaiming Liu, Ahmad Salah, Ahmed Fathalla, Ahmed Ali · 2022

Insolvency is a crucial problem for several insurance companies that suffer from it. This problem has direct or indirect effects on both the people working in the financial business and normal citizens. Thus, in insurance companies, the ab…

Effect of nimodipine combined with fasudil on vascular endothelial function and inflammatory factors in patients with cerebral vasospasm induced by aneurysmal subarachnoid hemorrhage. Open

Hui Ye, Zaiming Liu, Long Zhou, Qiang Cai · 2022

NM combined with fasudil in the treatment of aSAH induced CVS can effectively improve the VEF, alleviate IFs, and enhance the cognitive function and quality of life of patients, which is worth popularizing in clinic.

Dynamic Observation of the Effect of L-Theanine on Cerebral Ischemia-Reperfusion Injury Using Magnetic Resonance Imaging under Mathematical Model Analysis Open

Hui Ye, Zaiming Liu, Long Zhou, Qiang Cai · 2021

This study was to use the partial differential mathematical model to analyze the magnetic resonance imaging (MRI) images of cerebral ischemia-reperfusion injury (CIRI) and to dynamically observe the role of L-theanine in CIRI based on this…

An Extension TOPSIS Method Based on the Decision Maker’s Risk Attitude and the Adjusted Probabilistic Fuzzy Set Open

Donghai Liu, An Huang, Yuanyuan Liu, Zaiming Liu · 2021

The paper studies an extension TOPSIS method with the adjusted probabilistic linguistic fuzzy set in which the decision maker’s behavior tendency is considered. Firstly, we propose a concept of probabilistic linguistic q-rung orthopair set…

The Linguistic Picture Fuzzy Set and Its Application in Multi-Criteria Decision-Making: An Illustration to the TOPSIS and TODIM Methods Based on Entropy Weight Open

Donghai Liu, Yan Luo, Zaiming Liu · 2020

The paper considers the multi-criteria decision-making problem based on linguistic picture fuzzy information. Firstly, we propose the concept of linguistic picture fuzzy set(LPFS), where the positive-membership, the neutral-membership and …

Clinical characteristics of 82 death cases with COVID-19 Open

Bicheng Zhang, Xiaoyang Zhou, Yanru Qiu, Fan Feng, Jia Feng , et al. · 2020

Background A recently developing pneumonia caused by SARS-CoV-2 was originated in Wuhan, China, and has quickly spread across the world. We reported the clinical characteristics of 82 death cases with COVID-19 in a single center. Methods C…

An asymptotic property of branching-type overloaded polling networks Open

Yuejiao Wang, Zaiming Liu, Yuqing Chu, Yingqiu Li · 2019

Remerova et al. [Random fluid limit of an overloaded polling model, Adv. Appl. Probab., 2014, 46, 76–101] studied the fluid asymptotics of the joint queue length process for an overloaded cyclic polling system with multigated service disci…

Asymptotic Properties of a Branching Random Walk with a Random Environment in Time Open

Yuejiao Wang, Zaiming Liu, Quansheng Liu, Yingqiu Li · 2019

Clinical analysis on risk factors and prognosis of early post-traumatic epilepsy Open

Zaiming Liu, Qianxue Chen, Zhibiao Chen, Junmin Wang, Daofeng Tian , et al. · 2019

Objective To analyze the risk factors and prognosis related to early post-traumatic epilepsy (EPTE). Methods One hundred and eighty-six patients with traumatic brain injury were enrolled. Their full clinical data were collected. Single fac…

Some Similarity Measures of Neutrosophic Sets Based on the Euclidean Distance and Their Application in Medical Diagnosis Open

Donghai Liu, Guangyan Liu, Zaiming Liu · 2019

<p>Similarity measure is an important tool in multiple criteria decision-making problems, which can be used to measure the difference between the alternatives. In this paper, some new similarity measures of single-valued neutrosophic…

Equilibrium Strategies of a Polling Network with Non-zero Switch-over Times Open

Zaiming Liu, Yuejiao Wang · 2019

In this paper, we consider a cyclic two-queue polling system with non-zero switchover times under exhaustive service discipline. Arriving customers decide whether to join queue 1 ( Q1 ) or queue 2 ( Q2 ) under two different information lev…

Clinical analysis on risk factors and prognosis of early post-traumatic epilepsy Open

Zaiming Liu, Qianxue CHEN, Zhibiao Chen, J J Wang, Daofeng Tian , et al. · 2019

Objective To analyze the risk factors and prognosis related to early post-traumatic epilepsy (EPTE). Methods One hundred and eighty-six patients with traumatic brain injury were enrolled. Their full clinical data were collected. Single fac…

Quenched weighted moments of a supercritical branching process in a random environment Open

Yuejiao Wang, Yingqiu Li, Quansheng Liu, Zaiming Liu · 2019

We consider a supercritical branching process $(Z_n)$ in an independent and identically distributed random environment $\xi =(\xi_n)$. Let $W$ be the limit of the natural martingale $W_n = Z_n / E_\xi Z_n (n \geq 0)$, where $E_\xi $ deno…

Analysis of strategic customer behavior in fuzzy queueing systems Open

Gang Chen, Zaiming Liu, Jingchuan Zhang · 2018

This paper analyzes the optimal and equilibrium strategies in fuzzy Markovian queues where the system parameters are all fuzzy numbers. In this work, tools from both fuzzy logic and queuing theory have been used to investigate the membersh…

Optimal impulse control of a mean-reverting inventory with quadratic costs Open

Yanqing Hu, Zaiming Liu, Jinbiao Wu · 2018

In this paper, we analyze an optimal impulse control problem of a stochastic inventory system whose state follows a mean-reverting Ornstein-Uhlenbeck process. The objective of the management is to keep the inventory level as close as possi…

Asymptotic Properties of a Branching-type Overloaded Polling Network Open

Zaiming Liu, Yuejiao Wang, Yuqing Chu, Yingqiu Li · 2017

In this paper, we consider an $N$-queue overloaded polling network attended by a single cyclically roving server. Upon the completion of his service, a customer is either routed to another queue or leaves the system. All the switches are i…

Fluid queue driven by a multi-server queue with multiple vacations and vacation interruption Open

Senlin Yu, Zaiming Liu, Jinbiao Wu · 2017

This paper studies a fluid queue driven by a multi-server queue with multiple working vacations and vacation interruption. The stationary distribution of the background environment is obtained after some manipulation. A system of different…

Optimal threshold control of a retrial queueing system with finite buffer Open

Gang Chen, Zaiming Liu, Jinbiao Wu · 2016

In this paper, we analyze the optimal control of a retrial queueing system with finite buffer K. At any decision epoch, if the buffer is full, the controller have to make two decisions: one is for the new arrivals, to decide whether they a…

Lévy-driven Fluid Queue with Server Breakdowns and Vacations Open

Jinbiao Wu, Zaiming Liu, Yi Peng · 2015

In this paper, we consider a Lévy-driven fluid queueing system where the server may subject to breakdowns and repairs. In addition, the server will leave for a vacation each time when he finds an empty system. We cast the queueing process …

Asymptotic behavior of sample paths for retarded stochastic differential equations without dissipativity Open

Zaiming Liu, Na Song · 2015

This paper is concerned with two classes of retarded stochastic differential equations. Sufficient conditions are derived to guarantee the pth moment exponential stability and almost sure exponential stability. Moreover, we construct some …

Exact Tail Asymptotics --- Revisit of a Retrial Queue with Two Input Streams and Two Orbits Open

Yang Song, Zaiming Liu, Yiqiang Q. Zhao · 2015

We revisit a single-server retrial queue with two independent Poisson streams (corresponding to two types of customers) and two orbits. The size of each orbit is infinite. The exponential server (with a rate independent of the type of cust…

On the BMAP_1, BMAP_2/PH/g, c retrial queueing system Open

Jinbiao Wu, Yi Peng, Zaiming Liu · 2015

In this paper, we analyze a retrial queueing system with Batch Markovian Arrival Processes and two types of customers. The rate of individual repeated attempts from the orbit is modulated according to a Markov Modulated Poisson Process. Us…

Analysis of the Optimal Resource Allocation for a Tandem Queueing System Open

Zaiming Liu, Gang Chen, Jinbiao Wu · 2015

In this paper, we study a controllable tandem queueing system consisting of two nodes and a controller, in which customers arrive according to a Poisson process and must receive service at both nodes before leaving the system. A decision m…

Clinical significance of dynamic monitoring by transcranial doppler ultrasound and intracranial pressure monitor after surgery of hypertensive intracerebral hemorrhage. Open

Zaiming Liu, Qianxue Chen, Daofeng Tian, Long Wang, Baohui Liu , et al. · 2015

The aim of this study was to investigate the surgical method of hypertensive intracerebral hemorrhage (HIH) and how to control the postoperative blood pressure. 96 HIH patients were performed the craniotomic hematoma dissection (CHD) and t…

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