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the Effects of Zinc Sulfate on the in Vitro Digestibility of Feeds in Cervids

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Open Journal of Animal Sciences 2024年第3期14卷 157-167页

作者： Reese J. thibodeaux philip M. Urso Stanley F. Kelley Marcy M. Beverly Chris R. Stewart Ian C. Dunn Gentech Diagnostics Dallas Texas USA Department of Animal Science South Dakota State University Brookings South Dakota USA School of Agricultural Sciences Sam Houston State University Huntsville Texas USA 3-S texas Outdoors/3-S Whitetails Bedias Texas USA

the captive white-tailed deer industry has an estimated impact of 1.6 billion USD in the state of texas alone. However, nutritional requirements for cervids are determined through research based on sheep and goats. the objective of this study was to determine the effects of zinc on differences in dry matter digestibility in vitro for white-tailed does (Odocoileus virginianus). Deer (n = 2) were ethically harvested, rumens were collected, and placed into a cooler containing warm water. Rumen contents were agitated, and fluid was filtered using cheese cloth while applying CO2. Fluid was placed into four separate incubator jars with filter bags containing a 1:1 alfalfa to coastal hay blend. Zinc doses of 0.073 mg/kg/d equivalents were added to two of the jars ( Zn), and the additional two jars received 0.00 mg/kg/d (CON). Following 48 h of incubation, in vitro true digestibility (IVtD) showed no significant differences between the control and the treatment groups. Average dry matter digested in vitro was 91.87% and 95.13%, respectively. there were no differences detected in ADF, NDF, IVtD, or OM between the treatment groups. While no detectable differences were observed in this study, this methodology did prove to be viable and functional for microbial digestion in vitro. this study can be replicated with multiple experimental units to confirm the observations of increased digestibility. Formal nutritional guidelines can be created to allow for more efficient feeding of cervids thereby reducing feed costs and continuing the growth of the captive deer industry.

关键词： Zinc IVDMD In Vitro Cervids

A new twist on graphene: an interview with Pablo Jarillo-Herrero and Allan MacDonald

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National Science Review 2022年第4期9卷 186-191页

作者： philip Ball NSR from London

Graphene is the building block of graphite, made of carbon atoms bonded into sheets of hexagonal rings just a single atom thick. Although such isolated sheets had been predicted for many decades to exist, and had been grown on other surfaces, interest in this material exploded a?ter the discovery in 2004 that single sheets could be made easily and cheaply by separating them mechanically from graphite flakes(a process called exfoliation).

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Experience on the Management of Priapism at the Yaounde Central Hospital

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Open Journal of Urology 2024年第4期14卷 244-251页

作者： philip Fernandez Owon’Abessolo Jean Cédric Fouda Armel Essomba Cécile Etobe Achille Kpanou Yellem Yvon Gerard Beling Abanda Bright Awondo-Che Milama Steves Ndang Ngou Department of Surgery and Specialties Faculty of Medicine and Pharmaceutical Sciences University of Douala Douala Cameroon Urology Service Yaound&#233 Central Hospital Yaound&#233 Cameroon Department of Surgery and Specialty Faculty of Medicine and Biomedical Sciences University of Yaound&#233 1 Yaound&#233 Cameroon Department of Urology University of Health Sciences Owendo Gabon

Introduction: Priapism is a urological emergency defined as a prolonged penile erection for more than 6 hours, painful and sustained, occurring without any sexual stimulation. the diagnosis is essentially clinical. However, the management is often late because of the delay in consultation, which is characteristic in our context. the purpose of our study is to describe the clinical and therapeutic aspects of patients who presented with priapism at the Yaoundé Central Hospital as well as to propose a present synthesis concerning the management of priapism. Methodology: We conducted a descriptive cross-sectional study with a retrospective recruitment method in the urology department of the YCH. It extended over a period of 6 months from January 2022 to June 2022. We reviewed the files of patients seen within a period spanning 10 years from January 1st, 2011 to January 31st, December 2021. the study population consisted of patients who had been hospitalized and treated for priapism. We carried out consecutive and non-exhaustive sampling. Results: During the study, we collected data from the medical files of 13 patients. the median age was 25 years, with extremes of 12 and 82 years. Most of the patients were between 20 and 30 years old (38.5%). Most of the patients were single (69.2%). Sickle cell disease was the main comorbidity encountered during the study (76.9%). the median time from onset of symptoms to consultation was 10 [6 - 20.5] hours, with extremes of 1 and 264 hours. All patients presented with painful penile erection (100%). there was concomitant multifocal pain in 38.5% of cases suggestive of vaso-occlusive crises (VOC). the symptoms occurred in a non-traumatic context in the majority of cases (92.3%). the t-shunt was the most used surgical technique (84.6%). the median duration of surgery was 36 [35 - 40] minutes with extremes of 25 and 60 minutes, the majority being operated in less than 45 minutes (84.6%). the frequency of postopera

关键词： Priapism treatment Experience

the influence of airtightness on contaminant spread in MURBs in cold climates

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Building Simulation 2022年第2期15卷 249-264页

作者： philip Mckeen Zaiyi Liao Department of Architectural Science Ryerson UniversityTorontoM5B2K3Canada

tall buildings in cold climates have unique challenges in maintaining indoor air quality due to stack *** the heating season,interior air buoyancy creates large pressure differentials in vertical shafts that can drive airflow from lower floors into upper *** pressure differential can result in the spread of contaminants throughout a *** recently,concern over COVID-19 has increased attention to the potential spread of airborne diseases in densely populated *** many multi-unit residential buildings,suite ventilation has traditionally relied upon fresh air supplied through a mechanically pressurized *** cold climates,large pressure differentials created by stack-effect can reduce the effectiveness of this *** and CFD simulations are employed to analyze airflow and contaminant spread due to stack *** are conducted on an idealized model of a 10-storey building using a range of experimentally derived airtightness *** demonstrate stack effect can reduce corridor ventilation to suites and even reverse the airflow for leakier *** airflow to suites can result in the accumulation of *** of the airflow can allow contaminants from a suite to spread throughout the *** spread is illustrated as a function of mechanical ventilation,building airtightness,and ambient *** to reduce the influence of stack effect on mechanically pressurized corridors are discussed.

关键词： MURBs ventilation contamination spread stack effect

Assessment of Atmospheric Reanalysis Data Based on Buoy Observations over the tropical Western Indian Ocean in 2019

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Journal of Ocean University of China 2023年第4期22卷 863-873页

作者： LUO Yulan liu Lin PAUL Oloo philip Sagero LI Kuiping YANG Yang SU Qinglei LI Qiuchi MIAO Zichen First Institute of Oceanography Ministry of Natural Resources and Laboratory for Regional Oceanography and Numerical ModelingPilot National Laboratory for Marine Science and TechnologyQingdao 266061China Southern Marine Science and Engineering Guangdong Laboratory(Zhuhai) Zhuhai 510275China Kenya Meteorological Department Nairobi 30259Kenya Department of Geography Earth Science and EnvironmentThe University of the South PacificBag Suva 17257Fiji

Atmospheric reanalysis data are an important data source for studying weather and climate *** sea surface wind and sea level pressure observations measured from a real-time buoy system deployed in Kenya’s offshore area in 2019 conducted jointly by Chinese and Kenyan scientists were used to evaluate the performance of the major high-frequency atmospheric reanalysis products in the western Indian Ocean *** with observations,the sea level pressure field could be accurately simulated using the atmospheric reanalysis ***,significant discrepancies existed between the surface wind reanalysis data,especially between meridional wind and the observational *** of the data provide a complete understanding of sea level pressure,except for the Japanese 55-year Reanalysis data,which hold a significant system *** Modern-Era Reanalysis for Research and Applications,Version-2,provides an improved description of all *** the reanalysis datasets for zonal wind underestimate the strength during the study *** reanalysis data,NCEP-DOE Atmospheric Model Intercomparison Project reanalysis data presents an inaccurate description due to the worst correlation with the *** meridional wind,most reanalysis datasets underestimate the variance,while the European Centre for Medium-Range Weather Forecasts Atmospheric Composition Reanalysis 4 has a larger variance than the *** addition to the original data comparison,the diurnal variability of sea level pressure and surface wind are also assessed,and the result indicates that the diurnal variations have a significant gap between observation and reanalysis *** study indicates that the current high-frequency reanalysis data still have disadvantages when describing the atmospheric parameters in the Western Indian Ocean region.

关键词： Bailong buoy reanalysis Indian Ocean sea level pressure surface wind

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面向全球南方的人才竞争加剧

世界教育信息 2024年第2期37卷 3-6页

作者：菲利普·G.阿特巴赫汉斯·德威特刘进波士顿学院国际高等教育研究中心波士顿MA02467 北京理工大学教育学院北京100081

半个多世纪以前,学生国际流动开始受到大学的关注,包括师生和科研人员在内的人才流失被认为对人才来源国造成直接损失。21世纪以来,人才流失成为全球人才流动的常见模式,人才流入和人才环流两个概念的出现意味着人才流动可能具有积极意... 详细信息

半个多世纪以前,学生国际流动开始受到大学的关注,包括师生和科研人员在内的人才流失被认为对人才来源国造成直接损失。21世纪以来,人才流失成为全球人才流动的常见模式,人才流入和人才环流两个概念的出现意味着人才流动可能具有积极意义。虽然海外分校、特许经营项目、“三明治课程”一定程度上帮助全球南方国家获得发展,全球北方国家的主流政策仍致力于提高国际学生的居留率,以增加其熟练劳动力数量,进而促进经济发展和应对人口老龄化。对六个北方国家的大学教师教育经历与职业流动情况的研究也发现,近年来六国拥有南方国家教育经历的大学教师比率不断增加,且跨国攻读博士学位是学术人才流失的主要通道,再次证明南方国家学术人才流失的加剧。

关键词：全球南方全球北方人才争夺人才流失人才流入人才环流

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空客时刻

商业周刊（中文版） 2024年第4期 10-14页

作者： Siddharth philip Anthony Palazzo Julie Johnsson Charlotte Ryan Danny Lee Mary Schlangenstein 晴川(译) 不详

●对手波音正因737Max的质量问题而深陷泥沼,借此时机,空客已开始规划全新机型,以期在未来数十年里称霸业内1987年初,法国南部某机场内上演了不同寻常的一幕。当时还是王储的查尔斯王子站在一个登机扶梯上,轻轻地将一个超大瓶内的香槟... 详细信息

●对手波音正因737Max的质量问题而深陷泥沼,借此时机,空客已开始规划全新机型,以期在未来数十年里称霸业内1987年初,法国南部某机场内上演了不同寻常的一幕。当时还是王储的查尔斯王子站在一个登机扶梯上,轻轻地将一个超大瓶内的香槟洒在空客SE A320喷气机的机头上,他的妻子戴安娜王妃看着这一切,脸上带着她标志性的似显困惑的微笑。随后,现场激光华彩、干冰升腾,为1400名到场嘉宾开启了一场奢华庆典——毕竟,那是在80年代。

关键词：法国南部 A320 空客

Double-up for single-ion masses

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Nuclear Science and techniques 2023年第7期34卷 159-161页

作者： philip M.Walker Department of Physics University of SurreyGuildford GU27XHUK

A cunning addition for the determination of nuclear masses provides world-leading sensitivity for accurate *** is already opening up new physics and *** may sound simple to weigh an atomic nucleus,but there is more to it than you might think,especially when the nucleus is very *** out the properties of such fleeting nuclei,perhaps surviving for only a few milliseconds,can solve long-standing science ***-lived nuclei are key to our understanding not only of how neutrons and protons bind together in nuclei,but also of the way that explosive events in the cosmos tell us about the life cycle of stars.

关键词： addition unstable stars

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RNA:掌控生命后台

环球科学 2024年第13期 24-31页

作者：菲利普·鲍尔付向东(翻译) 不详西湖大学生命科学学院和医学院

数一年的研究表明,大量曾被科学家认为是“垃圾DNA”的区域,实际会编码一种名为非编码RNA的分子。这些RNA不会参与蛋白质合成,却会以多种方式影响生命运作,并为药物开发提供了新的方向。21世纪初,人类基因组的30亿个DNA组成单元差不多... 详细信息

数一年的研究表明,大量曾被科学家认为是“垃圾DNA”的区域,实际会编码一种名为非编码RNA的分子。这些RNA不会参与蛋白质合成,却会以多种方式影响生命运作,并为药物开发提供了新的方向。21世纪初,人类基因组的30亿个DNA组成单元差不多已全部鉴定完成。彼时,一群科学家正试图弄清楚所有DNA的功能,其中就包括现就职于美国国立卫生研究院(NIH)的遗传学家托马斯·金格拉斯(thomas Gingeras)。

关键词：遗传学家人类基因组蛋白质合成非编码RNA 药物开发 DNA