Publications by authors named "Zhi Qiu"

In shale gas extraction, bottomhole liquid loading reduces gas well efficiency. Traditional time-based plunger lift methods use reservoir energy to remove liquid, but model-based optimization has since emerged. However, these methods, deployed on remote servers, lead to inefficient data transfer and high server loads.

View Article and Find Full Text PDF
Article Synopsis
  • - The text addresses the growing concern of improving living conditions for older adults in long-term care facilities (LTCFs) in China, highlighting the rapid development of such facilities and their often subpar physical environments that affect residents' quality of life.
  • - The study evaluated 37 LTCFs through post-occupancy evaluations (POEs) using tailored assessment tools and user feedback, revealing significant deficiencies in areas like outdoor spaces, resident rooms, and staff areas, indicating unmet psychological and operational needs.
  • - Ninety-two common issues were identified across eight categories, with discussions on their causes linked to various stages of facility development, aiming to inform future designs and contribute to better standards for LTCF construction.
View Article and Find Full Text PDF

Aflatoxin B1 (AFB1) is a prevalent mycotoxin present in feed ingredients. In this study, we investigated the effects of Lactobacillus salivarius (L. salivarius) on the Landes geese exposed to AFB1.

View Article and Find Full Text PDF

Aflatoxin B1 (AFB1) is commonly found in feed ingredients and foods all over the world, posing a significant threat to food safety and public health in animals and humans. Lactobacillus salivarius (L. salivarius) was recorded to improve the intestinal health and performance of chickens.

View Article and Find Full Text PDF

The phenomenon of population aging in rural China presents a compelling societal challenge, necessitating a growing demand for both the quantity and quality of facilities supporting the needs of older people. However, a lack of comprehensive understanding concerning the underlying mechanisms that drive the emergence of these facilities, coupled with the distinctive historical backdrop and social development stage of the nation, engenders complexities in achieving sustainable rural eldercare services. This paper endeavors to comprehensively elucidate diverse eldercare facility types in rural China, delineating their intrinsic characteristics and prerequisites for construction.

View Article and Find Full Text PDF

Deoxynivalenol is one the of most common mycotoxins in cereals and grains and causes a serious health threat to poultry and farm animals. Our previous study found that DON decreased the production performance of laying hens. It has been reported that DON could exert significant toxic effects on the intestinal barrier and microbiota.

View Article and Find Full Text PDF

Current research has focused on the impacts of the COVID-19 pandemic on university students' physical and mental health conditions but has rarely examined the secondary effects caused by school management and prevention policies. Chinese universities generally took a self-policing strategy to address the COVID-19 pandemic. This study aimed to examine how the self-policing effect fluctuated during the pandemic, assessed from the perspective of university students.

View Article and Find Full Text PDF

In China, joint activities for the elderly and children in integrated welfare facilities lack systematic decision procedures. By learning from the "leisure constraint" theory, the study puts forward six influencing indicators of motivation and constraint in the aspects of preliminary coordination, activity space and effect. By using semi-structured interviews and questionnaire surveys analyzed by deviation value computation, the study analyzes the evaluation value of influencing factors in the decision procedure of potential activity cases, where administrators and nurses act as two decision makers.

View Article and Find Full Text PDF

Purpose: This article analyzed the safety and efficacy of ultrasound-guided mini-percutaneous nephrolithotomy (MPCNL) with low-pressure perfusion for the treatment of upper urinary tract stones in children.

Methods: The clinical data of 690 patients (805 renal units) aged 1-7 years were retrospectively analyzed in terms of postoperative outcome.

Results: The mean patient age was 3.

View Article and Find Full Text PDF

Building concentrated resettlement community in small towns is mostly used to deal with resettlement construction for rural migrants in economically developed regions in China, which leads to migrants' living environment changing from rural settlements where production and living are intertwined to an urban community that only supports living functions. However, the urbanized environment is contrary to elderly migrants' behavior, resulting in contradictions or conflicts between migrants and resettlement communities, reflecting a lack of urbanization synchronization between migrants and resettlement community environments. Further, elderly migrants are also equipped with different degrees and types of urbanization characteristics, thus reflecting different abilities to adapt to the urban community environment.

View Article and Find Full Text PDF

Severe aging in rural China is prompting communities to promote support for older people to age in place. The study of the daily life of older adults in rural areas is conducive to understanding their real life and demands, as well as the way they interact with their environment, to develop feasible strategies. In this study, 171 older adults over 60 years old in two different types of villages in Northern Zhejiang Province were investigated and analyzed in terms of the temporal and spatial features of daily activities, as well as their relationship with population attributes, personal competence, and subjective demands.

View Article and Find Full Text PDF

Artificial intelligence (AI) is widely used in pattern recognition and positioning. In most of the geological exploration applications, it needs to locate and identify underground objects according to electromagnetic wave characteristics from the ground-penetrating radar (GPR) images. Currently, a few robust AI approach can detect targets by real-time with high precision or automation for GPR images recognition.

View Article and Find Full Text PDF

The measurement of six-degrees-of-freedom (6-DOF) of rigid bodies plays an important role in many industries, but it often requires the use of professional instruments and software, or has limitations on the shape of measured objects. In this paper, a 6-DOF measurement method based on multi-camera is proposed, which is accomplished using at least two ordinary cameras and is made available for most morphological rigid bodies. First, multi-camera calibration based on Zhang Zhengyou's calibration method is introduced.

View Article and Find Full Text PDF

Background: Asthma is a heterogeneous disease with multiple phenotypes; however, the relevance of phenotype overlap remains largely unexplored.

Objective: To examine the relationship between phenotype overlap and clinical and inflammatory profiles of asthma.

Methods: In this cross-sectional study, adult participants with stable asthma (n = 522) underwent multidimensional assessments.

View Article and Find Full Text PDF

Prostaglandin E2 (PGE2) is involved in numerous physiological and pathological processes of the kidney via its four receptors. A previous study has suggested that a defect in the PGE2 receptor 1 (EP1) gene markedly suppressed the transforming growth factor‑β1 (TGF‑β1)‑induced mesangial cell (MC) proliferation and extracellular matrix aggregation. Therefore, the present study aimed to adopt a pharmacological method of specifically suppressing or activating the EP1 receptor to further verify and demonstrate these results.

View Article and Find Full Text PDF

Citrus Huanglongbing (HLB) is the most devastating citrus disease worldwide. In this paper, a deterministic dynamical model is proposed to explore the transmission dynamics of HLB between citrus tree and Asian citrus psyllid (ACP). Using the theory of dynamical system, the dynamics of the model are rigorously analyzed.

View Article and Find Full Text PDF

Ischemia-reperfusion (I/R) injury is a kind of the tissue damage caused by an abrupt re-supplying tissue with blood after a period of ischemia or hypoxia. It contributes to a wide range of pathological processes including kidney injury, circulatory arrest, and especially cardiovascular disease. However, the underlying pathological mechanism is not fully elucidated.

View Article and Find Full Text PDF

In this paper, a mathematical model is formulated to investigate the effect of cytotoxic T lymphocyte (CTL) immune response on human immunodeficiency virus (HIV) infection dynamics. The model includes latently infected cells, antiretroviral therapy, cell-free virus infection and cell-to- cell viral transmission. By constructing Lyapunov functionals, the global stability of three equilibria is obtained.

View Article and Find Full Text PDF

Objectives: A drastic reduction in myocardial cell apoptosis plays a crucial role in the treatment/management of myocardial infarction, a major cardiovascular health challenge confronting the world, especially the Western world. Accumulating evidence indicates that the cardiotoxicity caused by the apoptotic machinery is partly regulated by miRNAs. The aim of this research is to investigate the role of miR-138-5p on hypoxia/reperfusion-induced heart injury.

View Article and Find Full Text PDF

Objective: To investigate the mechanisms underlying ozone-induced inactivation of poliovirus type 1 (PV1).

Methods: We used cell culture, long-overlapping RT-PCR, and spot hybridization assays to verify and accurately locate the sites of action of ozone that cause PV1 inactivation. We also employed recombinant viral genome RNA infection models to confirm our observations.

View Article and Find Full Text PDF
Article Synopsis
  • The study investigates the characteristics and outcomes of disseminated non-tuberculous mycobacteria (NTM) diseases in HIV-negative patients, analyzing data collected from a hospital over a six-year period.
  • Among the 23 patients studied, most had underlying health conditions, with fever being the primary symptom, while laboratory findings indicated various abnormalities such as anemia and reduced lymphocyte counts.
  • The results show that patients with lower levels of immune cells, particularly lymphocytes and specific T cell types, had poorer prognoses, suggesting that disseminated NTM diseases primarily affect those with weakened immune systems.
View Article and Find Full Text PDF

To investigate the prognostic values of clinical factors 72 h within traumatic cervical spinal cord injury (TCSCI). Data were extracted from the medical materials of 57 TCSCI cases. AIS was used as the outcome measure and divided into dichotomous variables by two methods, i.

View Article and Find Full Text PDF

Objective: The aim of this study was to investigate the role of insulin-like growth factor binding protein-related protein 1 (IGFBP-rP1) in the development of hepatic fibrogenesis in experimental disease models and human liver samples.

Methods: Cellular distribution patterns of IGFBP-rP1 were assessed by immunohistochemistry in fibrotic and cirrhotic human liver specimens. Gene silencing of IGFBP-rP1 was performed on cultured hepatic stellate cells (HSCs) by small interfering RNA (siRNA), and the silencing effect was determined by quantitative real-time polymerase chain reaction (PCR) and Western blot.

View Article and Find Full Text PDF

Raman spectra of three bulk 4H-SiC wafers with different free carrier concentration were measured at temperature from 80 K to 873 K. As temperature increases, Raman peaks of most optical phonon modes show monotonous down shift. An anomalous non-monotonous variation with temperature, was observed in the A(1) longitudinal optical (LO) mode from doped samples.

View Article and Find Full Text PDF

A PHP Error was encountered

Severity: Warning

Message: fopen(/var/lib/php/sessions/ci_sessionkvgd2bkf026ogbrpatbtucpf3noodu6n): Failed to open stream: No space left on device

Filename: drivers/Session_files_driver.php

Line Number: 177

Backtrace:

File: /var/www/html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: session_start(): Failed to read session data: user (path: /var/lib/php/sessions)

Filename: Session/Session.php

Line Number: 137

Backtrace:

File: /var/www/html/index.php
Line: 316
Function: require_once