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Climate-change habitat shifts for the vulnerable endemic oak species(Quercus arkansana Sarg.)

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Journal of Forestry Research 2024年第1期35卷 117-127页

作者： Suresh Chandra Subedi Seth Drake Binaya Adhikari mark V.Coggeshall Department of Biological Sciences Arkansas Tech UniversityRussellvilleARUSA Department of Biology University of KentuckyLexingtonKYUSA School of Natural Resources University of Missouri203 ABNR BuildingColumbiaMO 65211USA

Quercus arkansana(Arkansas oak)is at risk of becoming endangered,as the total known population size is represented by a few isolated *** potential impact of climate change on this species in the near future is high,yet knowledge of its predicted effects is *** study utilized the biomod2 R package to develop habi-tat suitability ensemble models based on bioclimatic and topographic environmental variables and the known loca-tions of current distribution of *** predicted suitable habitats across three climate change scenarios(SSP1-2.6,SSP2-4.5,and SSP5-8.5)for 2050,2070,and *** findings reveal that the current suitable habitat for *** is approximately 127,881 km^(2) across seven states(Texas,Arkansas,Alabama,Louisiana,Mississippi,Georgia,and Florida);approximately 9.5%is encompassed within state and federally managed protected *** models predict that all current suitable habitats will disap-pear by 2050 due to climate change,resulting in a northward shift into new regions such as Tennessee and *** large extent of suitable habitat outside protected areas sug-gests that a species-specific action plan incorporating pro-tected areas and other areas may be crucial for its ***,protection of *** habitat against climate change may require locally and regionally focused conservation policies,adaptive management strategies,and educational outreach among local people.

关键词： Biomod2 Climate change Conservation Habitat loss Habitat shift Species distribution modeling Oak species

p38-MAPK and CDK5,signaling pathways in neuroinflammation:a potential therapeutic intervention in Alzheimer's disease?

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Neural Regeneration Research 2024年第8期19卷 1649-1650页

作者： Vlad Ionut Viorel Ylenia Pastorello Nosherwan Bajwa mark Slevin George emil Palade University of Medicine PharmacyScience and TechnologyTârgu MuresRomania Department of Anatomy and embryology George Emil Palade University of MedicinePharmacyScience and TechnologyTargu MuresRomania DIAKO Hospital FlensburgGermany Center for Advanced Medical and Pharmaceutical Research(CCAMF) George Emil Palade University of MedicinePharmacyScience and TechnologyTârgu MuresRomania Manchester Metropolitan University ManchesterUK

Alzheimer’s disease(AD),the most common type of dementia,affects millions of people worldwide,putting a significant strain on healthcare infrastructure and societal *** is characte rized by the build-up of amyloid-be... 详细信息

关键词： Alzheimer Aβ tau

Complexity of the Contexts:Features of Private Tutoring and Units for Comparison in the GCC Countries of the Middle east

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eCNU Review of education 2024年第1期7卷 42-65页

作者： mark Bray Anas Hajar east China Normal University&The University of Hong Kong Nazarbayev University

Purpose:Private supplementary tutoringwidely known as shadow education because of the ways in which it mimics regular schooling-is increasingly visible across the *** Middle east is no exception,though the phenomenon has received relatively little attention in the english-language *** article maps some key features of shadow education,identifying ways in which contextual forces have shaped ***/Approach/Methods:The article focuses on patterns across and within the six members of the Gulf Cooperation Council(GCC),namely Bahrain,Kuwait,Oman,Qatar,Saudi Arabia,and the United Arab *** draws on literature in both Arabic and english and shows the value of multipleunits of ***:Private tutoring has a long history as a significant phenomenon in some GCC countries,but in others developed more *** governments have had active policies to dampen the phenomenon,but with little *** in the complex dynamics include social,economic andcultural ***:The article assembles literature from around the region,noting both commonalities and diversities among GCC *** contributes to the global literature by providing the regional mapping from this specific part of the world and by showing comparisons with other world regions.

关键词： Cultural forces Gulf Cooperation Council Middle east policies private tutoring shadow education

Public health importance of light intensity physical activity

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Journal of Sport and Health Science 2024年第5期13卷 674-675页

作者： Robert Ross Ian Janssen mark S.Tremblay School of Kinesiology and Health Studies Queen’s UniversityKingstonON K7L 3N6Canada School of Medicine Division of Endocrinology and MetabolismQueen’s UniversityKingstonON K7L 3N6Canada Healthy Active Living and Obesity Research Group Children’s Hospital of Eastern Ontario Research InstituteOttawaON K1H 8L1Canada Department of Pediatrics University of OttawaOttawaON K1H 8L1Canada

*** intensity physical activity(PA)benefits health PA guidelines worldwide recommend that adults accumulate 150 min of moderate intensity or 75 min of vigorous intensity PA(moderate-to-vigorous PA(MVPA))weekly to achieve health benefits.1-3 Absent from these guidelines are recommendations for light intensity PA(LPA,e.g.,walking at a leisurely pace of 3 km/h or less,equivalent to 1.5-2.9 metabolic equivalents).

关键词： intensity light benefits

Researching Forms of Shadow education:Methodological Challenges and Complexities of Private Supplementary Tutoring in Myanmar

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eCNU Review of education 2024年第1期7卷 89-110页

作者： Peter Kamtungtuang Suante mark Bray The University of Hong Kong east China Normal University&The University of Hong Kong

Purpose:The growing literature on private supplementary tutoring,widely known as shadow education,addresses multiple dimensions and ***,many studies inadequately capture the diversity and implications of different forms of *** paper examines these matters in Myanmar,highlighting complexities and ambiguities in descriptors and in the nature of ***/Approach/Methods:Using a mixed-methods design,this study was conducted in Mandalay Region and Chin *** data were obtained from interviews with I10 Grade II students,34 high school teachers,30 parents,29 private tutoring providers,and two private school ***:The article categorizes tutoring forms based on their styles and orientations,particularly lecture-type teaching and homework supervision by guides,class sizes,durations of fee-charging(e.g,annually),the number of subjects taught per tutor,and tutoring *** study brings the topic out of the shadows for clearer analysis of the phenomenon and thus for assessment of its ***:The study makes a methodological contribution to the wider picture by demonstrating the need for greater clarity and precision in the national and international comparative *** also underscores shortcomings of predetermined categories in questionnaires and the value of qualitative interviews.

关键词： Classification methodology Myanmar private tutoring shadow education

Laboratory study of a hydronic concrete deck heated externally in a controlled sub-freezing environment

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energy and Built environment 2024年第1期5卷 9-23页

作者： mark Hurley Omid Habibzadeh-Bigdarvish Gang Lei Xinbao Yu Department of Civil engineering University of Texas at ArlingtonTX 76019United States

Geothermal heating of bridge decks is a reliable and sustainable method for bridge de-icing that has been in-creasing in demand since conventional de-icing methods were proved to be environmentally *** research on geothermal heating of bridge decks relied on hydronic pipes embedded inside of bridge decks,which are confined to newly constructed *** existing bridges,a newly devised method for external heating has been recently tested under limited laboratory conditions to determine its overall *** study explores laboratory heating tests of a concrete slab with a thickness representing a typical concrete bridge *** slab was equipped with a simulated geothermal bridge de-icing system and tested inside a freezer subjected to sub-freezing controlled *** winter scenarios were applied to the system to determine its heat-ing performance and how feasible it will be for the system to be transferred to the field.A prediction equation was developed to estimate the total energy reserves required to permit de-icing,and statistical analysis was performed and validated with test *** slab surface heat flux was estimated to range from 27 W/m^(2) K to 73 W/m^(2) K from the heating *** externally-heated deck can be designed with the developed prediction equation for snow melting.

关键词： Thermal demands Bridge deck de-icing Attached hydronic loops Heated bridge deck Heat flux analysis

Liver transplantation as an alternative for the treatment of intrahepatic cholangiocarcinoma: Past, present, and future directions

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Hepatobiliary & Pancreatic Diseases International 2024年第2期23卷 129-138页

作者： Sudha Kodali Ashton A Connor Souhail Thabet elizabeth W Brombosz R mark Ghobrial Sherrie and Alan Conover Center for Liver Disease and Transplantation Houston Methodist HospitalHoustonTX 77030USA JC Walter Jr Transplant Center Houston Methodist HospitalHoustonTX 77030USA Department of Medicine Weill Cornell Medical CollegeNew YorkNYUSA Department of Surgery Houston Methodist HospitalHoustonTX 77030USA Department of Surgery Weill Cornell Medical CollegeNew YorkNYUSA School of Medicine New Giza UniversityGizaEgypt

Intrahepatic cholangiocarcinoma(iCCA)is a rare biliary tract cancer with high mortality *** resection of the iCCA lesion is the first choice of treatment,with good prognosis after margin-negative ***,only 12%-40% of patients are eligible for resection at presentation due to cirrhosis,portal hypertension,or large tumor *** transplantation(LT)offers margin-negative iCCA extirpation for patients with unresectable ***,iCCA was a contraindication for LT until size-based selection criteria were introduced to identify patients with satisfied post-LT *** studies have shown that tumor biology-based selection can yield high post-LT survival in patients with locally advanced *** selection criterion is the tumor response to neoadjuvant *** with response to neoadjuvant therapy have better outcomes after LT compared with those without tumor response to neoadjuvant *** index that helps predict the treatment outcome is the *** survival outcomes have also opened the door for living donor LT for *** undergoing LT for iCCA now have statistically similar survival rates as patients undergoing *** combination of surgery and locoregional and systemic therapies improves the prognosis of iCCA patients.

关键词： Liver transplantation Cholangiocarcinoma Hepatectomy Transplant oncology Liver neoplasm

Biopolymer stabilization of clayey soil

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Journal of Rock Mechanics and Geotechnical engineering 2024年第7期16卷 2801-2812页

作者： Mahdieh Azimi Amin Soltani Mehdi Mirzababaei mark B.Jaksa Nanjappa Ashwath College of engineering and Aviation School of Engineering and TechnologyCQUniversityMelbourneVIC 3000Australia Institute of Innovation Science and Sustainabilityand Future Regions Research CenterFederation UniversityChurchillVIC 3842Australia Department of Infrastructure engineering Faculty of Engineering and Information TechnologyThe University of MelbourneParkvilleVIC 3010Australia School of Architecture and Civil engineering The University of AdelaideAdelaideSA 5005Australia School of Health Medical and Applied SciencesCQUniversityRockhamptonQLD 4701Australia

This study investigates the efficacy of sodium alginate(SA),xanthan gum(XG),guar gum(GG)and chitosan(CS)d each applied at five different solid biopolymer-to-water mass ratios(or dosages)and cured for 7 d and 28 d d on the unconfined compressive strength(UCS)performance of a high plasticity clayey ***,on identifying the optimum biopolymer-treatment scenarios,their performance was compared against conventional stabilization using hydrated *** a given curing time,the UCS for all biopolymers followed a riseefall trend with increasing biopolymer dosage,peaking at an optimum dosage and then subsequently decreasing,such that all biopolymer-stabilized samples mobilized higher UCS values compared to the unamended *** optimum dosage was found to be 1.5%for SA,XG and CS,while a notably lower dosage of 0.5%was deemed optimum for ***,for a given biopolymer type and dosage,increasing the curing time from 7 d to 28 d further enhanced the UCS,with the achieved improvements being generally more pronounced for XG-and CS-treated *** of the investigated biopolymers was able to produce UCS improvements equivalent to those obtained by the 28-d soilelime samples;however,the optimum XG,GG and CS dosages,particularly after 28 d of curing,were easily able to replicate 7-d lime stabilization outcomes achieved with as high as twice the soil’s lime ***,the fundamental principles of clay chemistry,in conjunction with the soil mechanics framework,were employed to identify and discuss the clayebiopolymer stabilization mechanisms.

关键词： Soil stabilization High plasticity clay Biopolymer dosage Hydrated lime Curing time Unconfined compressive strength(UCS)

A multi-sensor appiproach to calving detection

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Information Processing in Agriculture 2024年第1期11卷 45-64页

作者： Anita Z.Chang David L.Swain mark G.Trotter Institute for Future Farming Systems School of HealthMedicaland Applied SciencesCentral Queensland UniversityRockhamptonQueensland 4700Australia

The advent of remote livestock monitoring systems provides numerous possibilities for improving on-farm productivity,efficiency,and *** potential application for these systems is for the detection of calving *** study describes the integration of data from multiple sensor sources,including accelerometers,global navigation satellite systems(GNsS),an accelerometer-derived rumination algorithm,a walk-over-weigh unit,and a weather station for parturition detection using a support vector machine *** best performing model utilised data from GNsS,the ruminating algorithm,and weather stations to achieve 98.6%accuracy,with 88.5%sensitivity and 100%*** topranking features of this model were primarily GNSS *** study provides an overview as to how various sensor systems could be integrated on-farm to maximise calving detection for improved production and welfare outcomes.

关键词： Accelerometer GNSS GPS Rumination Sensor WOW