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High pressure and temperature phase stabilities of dolomite and ankerite

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High pressure and temperature phase stabilities of dolomite ...

第一性原理计算含水瓦茨利石高温高压弹性:制约地幔过渡带顶部含水量

第八届“从原子到地球”——高压科学与地球科学研讨会

作者： Fei Qin Oliver T.Lord james W.E.Drewitt David Edwards michael j.walter School of Earth Sciences and Resources China University of Geosciences (Beijing) School of Earth Sciences University of Bristol Geophysical Laboratory Carnegie Institute for Science

The fate of subducted carbonate has profound implications for the global carbon cycle and great importance for the geodynamic and geochemical evolution of Earth‘s deep interior. Understanding the structural evolution and stability of key carbonate phases is thus important for understanding the carbon cycleand redox conditions in the mantle1-3. Dolomite (Ca,Mg)(CO), is thought to constitute up to 0% of the Earth‘s accessible carbonate reserviors4. Since there is evidence of dolomite inclusions in ultra-deep diamonds, new high pressure-temperature polymorphs of dolomite could be crucial carbon-containing phases in the Earth‘s mantle5-8.

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第一性原理计算含水瓦茨利石高温高压弹性:制约地幔过渡带顶部含...

中国矿物岩石地球化学学会第九次全国会员代表大会暨第16届学术年会

作者：王文忠 michael j.walter 彭烨 Simon Redfern 吴忠庆中国科学技术大学地球和空间科学学院地震与地球内部物理实验室布里斯托大学地球科学学院剑桥大学地球科学系

地幔过渡带的含水量对了解地球内部动力学和地球的演化等过程具有非常重要的意义,但一直以来都有争议。第一性原理计算能提供地幔温压下的橄榄石和过渡带含水矿物的弹性数据,对我们约束地幔过渡带含水量极其关键。在本研究中,我们利用第... 详细信息

地幔过渡带的含水量对了解地球内部动力学和地球的演化等过程具有非常重要的意义,但一直以来都有争议。第一性原理计算能提供地幔温压下的橄榄石和过渡带含水矿物的弹性数据,对我们约束地幔过渡带含水量极其关键。在本研究中,我们利用第-性原理计算了含水瓦茨利石在高温高压弹性性质,并估计了含水对瓦茨

关键词：瓦茨利石含水量地幔过渡带高温高压弹性性质第一性原理

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Rethinking the egg

National Science Review 2024年第6期11卷 81-82页

作者： michael j.Benton School of Earth Sciences University of Bristol

Our image of early dinosaur eggs must change. Early dinosaur eggs are portrayed as soft-shelled, like those of modern lizards or snakes [1], and yet all the evidence is that early dinosaurs at least laid leathery-shel...

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Evaluating Methods of Visual Assistance for Workers to Improve Quality and Usability in Individualized Kitchen Cabinet Assembly

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journal of Computer and Communications 2024年第2期12卷 156-172页

作者： Albert Eff michael S. j. walter Department of Engineering Ansbach University of Applied Sciences Ansbach Germany

In times of digitalisation, visual assistance systems in assembly are increasingly important. The design of these assembly systems needs to be highly complex to meet the requirements. Due to the increasing number of variants in production processes, as well as shorter innovation and product life cycles, assistance systems should improve quality and reduce complexity of assembly processes. However, many large kitchen manufacturers still assemble kitchen cabinets manually, due to the high variety of components, such as rails and fittings. This paper focuses on the analysis and evaluation of virtual assistance systems to improve quality and usability in individualised kitchen cabinet assembly processes at a large German manufacturer. A solution is identified and detailed.

关键词： Digitalisation Assembly Process Visual Assistance Usability Human-Centred Assembly Design

Universal Hyperthermal Model for Mass Extinctions

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journal of Earth Science 2024年第2期35卷 704-707页

作者： michael j.Benton Paleobiology Research Group School of Earth SciencesUniversity of BristolLife Sciences BuildingTyndall AvenueBristolBS81TQUK

INTRODUCTION Earth scientists have long sought universal features of past extinction *** can be argued that each past extinction event was a singularity,caused by combinations of circumstances that are unique in each case,and therefore that the search for common causes is ***,a key feature of the uniformitarian approach to geology is that past processes are the same as modern-day processes and,with that in mind,earth scientists are keen to use their knowledge to contribute some understanding to the study of the present and future climate crisis.

关键词： extinction singularity Extinction

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Harnessing naturally occurring mutations for T-cell therapy:a potential new avenue to enhance treatment efficacy

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Signal Transduction and Targeted Therapy 2024年第5期9卷 1799-1801页

作者： michael Hiltensperger jürgen Ruland Kilian Schober Mikrobiologisches Institut-Klinische Mikrobiologie Immunologie und HygieneFriedrich-Alexander-Universität Erlangen-NürnbergErlangenGermany Institute of Clinical Chemistry and Pathobiochemistry School of MedicineTechnical University of MunichMunichGermany TranslaTUM Center for Translational Cancer ResearchTechnical University of MunichMunichGermany German Cancer Consortium(DKTK) HeidelbergGermany German Center for Infection Research(DZIF) partner site MunichMunichGermany FAU Profile Center Immunomedicine Friedrich-Alexander-Universität Erlangen-NürnbergErlangenGermany

In a recent study published in Nature,Garcia et *** a sophisticated approach to identify fitness-enhancing mutations for T cells that was inspired by cancer evolution.1 The identified CARD11-PIK3R3 gene fusion enhanced tumor rejection and persistence of engineered T cells in multiple tumor models and might have the potential to improve efficacy of adoptive T-cell therapies in cancer patients.

关键词： cancer potential

Dietary fibre effects and the interplay with exogenous carbohydrases in poultry nutrition

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Animal Nutrition 2024年第1期16卷 231-240页

作者： michael R.Bedford Birger Svihus Aaron j.Cowieson AB Vista Feed Ingredients Ltd Norwegian University of Life Sciences DSM Nutritional Products

A comprehensive understanding of the role of dietary fibre in non-ruminant animal production is elusive. Equivocal and conflated definitions of fibre coupled with significant analytical complexity,interact with poorly defined host and microbiome relationships. Dietary fibre is known to influence gut development, feed intake and passage rate, nutrient absorption, microbiome taxonomy and function, gut p H, endogenous nutrient loss, environmental sustainability, animal welfare and more. Whilst significant gaps persist in our understanding of fibre in non-ruminant animal production, there is substantial interest in optimizing the fibre fraction of feed to induce high value phenotypes such as improved welfare,live performance and to reduce the environmental footprint of animal production systems. In order to achieve these aspirational goals, it is important to tackle dietary fibre with the same level of scrutiny as is currently done for other critical nutrient classes such as protein, minerals and vitamins. The chemical,mechanical and nutritional role of fibre must be explored at the level of monomeric sugars, oligosaccharides and polysaccharides of varying molecular weight and decoration, and this must be in parallel to standardisation of analytical tools and definitions for speciation. To further complicate subject, exogenous carbohydrases recognise dietary fibre as a focal substrate and have varying capacity to generate lower molecular weight carbohydrates that interact differentially with the host and the enteric microbiome. This short review article will explore the interactive space between dietary fibre and exogenous carbohydrases and will include their nutritional and health effects with emphasis on functional development of the gut, microbiome modulation and host metabolism.

关键词： Fibre Carbohydrase Nutrition Microbiome Gastro-intestinal development Feed

Mathematical beauty and Palladian architecture:Measuring and comparing visual complexity and diversity

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Frontiers of Architectural Research 2024年第4期13卷 729-740页

作者： ju Hyun Lee michael j.Ostwald School of Built Environment Faculty of ArtsDesign&ArchitectureThe University of New South WalesSydneyNSW 2052Australia

Palladio’s design principles,including proportion and harmony,have often been associated with mathematical definitions of ***,the geometric and semantic properties of his fac¸ades have rarely been analysed in a holistic *** is little evidence of how mathematical beauty may be embodied in his *** research investigates complexity(fractal dimension or D)and diversity(perplexity or PP)as aesthetic indices,aiming to capture distinct characteristics of Palladian *** D and PP values of 22 Palladian villa fac¸ades are measured and analysed,before being compared with those of three Renaissance facades by Sebastiano *** combination of D and PP captures the geometric and semantic aesthetic qualities of architectural ***,the developed scatter plot of D and PP results supports the identification of four distinct aesthetic types of Palladian fac¸ade *** novel combination of D and PP measures contributes to a better understanding of one definition of the mathematical beauty of architecture,wherein“the whole is other than the sum of the parts”in compositional terms(a famous Gestalt principle).Specifically,this research provides new mathematical insights into the visual character of Palladian architecture and compares two important measures thereof.

关键词： Palladian architecture Complexity Diversity Mathematical beauty Perplexity Fac¸ade design

Use of donepezil for neurocognitive recovery after brain injury in adult and pediatric populations:a scoping review

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Neural Regeneration Research 2024年第8期19卷 1686-1695页

作者： Avery L.Miller Nathan K.Evanson j.michael Taylor University of Cincinnati College of Medicine CincinnatiOHUSA Department of Pediatrics University of CincinnatiCincinnatiOHUSA Department of Neurology and Rehabilitation Medicine University of CincinnatiCincinnatiOHUSA Division of Pediatric Rehabilitation Medicine Cincinnati Children’s Hospital Medical CenterCincinnatiOHUSA Division of Neurology Cincinnati Children’s Hospital Medical CenterCincinnatiOHUSA

There are few pharmacologic options for the treatment of cognitive deficits associated with traumatic brain injury in pediatric *** inhibitors such as donepezil have been evaluated in adult patients after traumatic brain injury,but relatively less is known about the effect in pediatric *** goal of this review is to identify knowledge gaps in the efficacy and safety of acetylcholinesterase inhibito rs as a potential a djuvant treatment fo r neurocognitive decline in pediatric patients with traumatic brain *** queried PubMed to identify literature published from database inception thro ugh june 2023 desc ribing the use of donepezil in young adult traumatic brain injury and pediatric patients with predefined *** on preselected search criteria,340 unique papers we re selected for title and abstra ct ***-two reco rds were reviewed in full after eliminating preclinical studies and pape rs outside the scope of the *** adult traumatic brain injury,we review results from 14 papers detailing 227 subjects where evidence suggests donepezil is well tole rated and shows both objective and patient-reported efficacy for reducing cognitive *** children,3 pape rs report on 5 children recovering from traumatic brain injury,showing limited *** additional 15 pediatric studies conducted in populations at risk for cognitive dysfunction provide a broader look at safety and efficacy in 210 patients in the pediatric age *** its promise for efficacy in adults with traumatic brain injury and tole rability in pediatric patients,we believe further study of donepezil for children and adolescents with traumatic brain injury is warranted.

关键词： acetylcholinesterase inhibitor adult cognition donepezil pediatrics traumatic brain injury

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