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Pseudospin-2 in photonic chiral borophene

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Photonics Research 2023年第5期11卷 869-877页

作者： PHILIP MENZ HAISSAM HANAFI DANIEL LEYKAM JÖRG IMBROCK cornelia DENZ Institute of Applied Physics University of MuensterMuenster 48149Germany Centre for Quantum Technologies National University of SingaporeSingapore 117543Singapore Physikalisch-Technische Bundesanstalt(PTB) 38116 BraunschweigGermany

Pseudospin is an angular momentum degree of freedom introduced in analogy to the real electron spin in the effective massless Dirac-like equation used to describe wave evolution at conical intersections such as the Dirac cones of ***,we study a photonic implementation of a chiral borophene allotrope hosting a pseudospin-2 conical intersection in its energy-momentum *** presence of this fivefold spectral degeneracy gives rise to quasiparticles with pseudospin up to±*** report on conical diffraction and pseudospin-orbit interaction of light in photonic chiral borophene,which,as a result of topological charge conversion,leads to the generation of highly charged optical phase vortices.

关键词： spectrum chiral momentum

Trigonometric multiplicative chaos and applications to random distributions

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Science China Mathematics 2023年第1期66卷 3-36页

作者： Aihua Fan Yves meyer School of Mathematics and Statistics Central China Normal UniversityWuhan 430079China LAMFA CNRSUMR7352University of PicardieAmiens 80039France CMLA ENS-CachanCNRSUniversityof Paris-SaclayParis 91190France

The random trigonometric series∑∞n=1ρn cos(nt+ωn)on the circle T are studied under the conditions∑|ρn|^(2)=∞andρn→0,where{ωn}are independent and uniformly distributed random variables on *** are almost surely not Fourier-Stieltjes series but determine *** leads us to develop the theory of trigonometric multiplicative chaos,which produces a class of random *** kernel and the image of chaotic operators are fully studied and the dimensions of chaotic measures are exactly *** behavior of the partial sums of the above series is proved to be *** theory holds on the torus Tdof dimension d≥1.

关键词： multiplicative chaos random Fourier series Hausdorff dimension Riesz potential

Pathology-induced NG2 proteoglycan expression in microglia

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Neural Regeneration Research 2023年第4期18卷 801-802页

作者： Erika meyer Anja Scheller Molecular Physiology Center for Integrative Physiology and Molecular MedicineUniversity of SaarlandHomburgGermany(Meyer EScheller A)Laboratory of Brain Ischemia and NeuroprotectionDepartment of Pharmacology and TherapeuticsState University of MaringáMaringáBrazil

Oligodendrocyte precursor cells(OPCs)and microglia are two very fascinating cell types with a multitude of important but different *** a first glance,they appear not to share many cellular properties,nor are directly related to one another or derived from a common *** all differences,emerging data show that both cell types express the protein nerve/glial antigen 2(NG2)after pathological insults(Figure 1).For years,it remained controversial whether microglia really could express NG2 upon injury,with contradictory results reported among different disease *** this question,we could recently show by using triple transgenic knock-in mice and either an acute injury model(stab wound injury)or the middle cerebral artery occlusion combined with immunohistochemistry that a subset of microglia activates the cspg4 gene in a disease dependent manner leading to a bonafide microglia-specific NG2 protein expression besides OPCs and *** data show that the cspg4 gene not only gets transcribed in microglia based on reporter expression after recombination,but also the protein itself is expressed(Huang et al.,2020).

关键词： NG2 wound Figure

Artificial intelligence as a noninvasive tool for pancreatic cancer prediction and diagnosis

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World Journal of Gastroenterology 2023年第12期29卷 1811-1823页

作者： Alexandra Corina Faur Daniela cornelia Lazar Laura Andreea Ghenciu Department of Anatomy and Embriology “Victor Babeș”University of Medicine and Pharmacy TimișoaraTimișoara 300041TimișRomania Department V of Internal Medicine I Discipline of Internal Medicine IVUniversity of Medicine and Pharmacy“Victor Babes”TimișoaraTimișoara 300041TimișRomania DepartmentⅢ Discipline of Pathophysiology“Victor Babeș”University of Medicine and PharmacyTimișoara 300041TimișRomania

Pancreatic cancer(PC)has a low incidence rate but a high mortality,with patients often in the advanced stage of the disease at the time of the first *** detected,early neoplastic lesions are ideal for surgery,offering the best *** lesions of the pancreas include pancreatic intraepithelial neoplasia and mucinous cystic neoplasms,with intraductal papillary mucinous neoplasms being the most commonly *** study focused on predicting PC by identifying early signs using noninvasive techniques and artificial intelligence(AI).A systematic English literature search was conducted on the PubMed electronic database and other *** obtained a total of 97 studies on the subject of pancreatic *** final number of articles included in our study was 44,34 of which focused on the use of AI algorithms in the early diagnosis and prediction of pancreatic *** algorithms can facilitate diagnosis by analyzing massive amounts of data in a short period of *** can be made through AI algorithms by expanding image and electronic medical records databases,which can later be used as part of a screening program for the general ***-based screening models should involve a combination of biomarkers and medical and imaging data from different *** requires large numbers of resources,collaboration between medical practitioners,and investment in medical infrastructures.

关键词： Pancreatic cancer Early pancreatic lesions Pancreatic neoplasia Artificial intelligence Deep learning Machine learning Radiomics Diagnosis Pancreas

Overcoming the Electrode Challenges of High‑Temperature Proton Exchange Membrane Fuel Cells

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Electrochemical Energy Reviews 2023年第1期6卷 280-319页

作者： Quentin meyer Chujie Yang Yi Cheng Chuan Zhao School of Chemistry The University of New South WalesSydneyNSW 2052Australia Hunan Provincial Key Laboratory of Nonferrous Value-Added Metallurgy Central South UniversityChangsha 410083HunanChina

Proton exchange membrane fuel cells(PEMFCs)are becoming a major part of a greener and more sustainable ***,the costs of high-purity hydrogen and noble metal catalysts alongside the complexity of the PEMFC system severely hamper their *** PEMFCs at high temperatures(HT-PEMFCs,above 120℃)brings several advantages,such as increased tolerance to contaminants,more affordable catalysts,and operations without liquid water,hence considerably simplifying the *** recent progresses in proton exchange mem-branes for HT-PEMFCs have made this technology more viable,the HT-PEMFC viscous acid electrolyte lowers the active site utilization by unevenly diffusing into the catalyst layer while it acutely poisons the catalytic *** recent years,the synthesis of platinum group metal(PGM)and PGM-free catalysts with higher acid tolerance and phosphate-promoted oxygen reduction reaction,in conjunction with the design of catalyst layers with improved acid distribution and more triple-phase boundaries,has provided great opportunities for more efficient *** progress in these two interconnected fields is reviewed here,with recommendations for the most promising routes worthy of further *** these approaches,the performance and durability of HT-PEMFCs will be significantly improved.

关键词： High-temperature proton exchange membrane fuel cells Platinum catalysts Platinum-group metal-free catalysts Phosphate-tolerant electrode

Wheat yield prediction by zero sink and equilibrium-type soil phosphorus tests

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Pedosphere 2022年第4期32卷 543-554页

作者： Walter W.WENZEL cornelia MESMER Eric J.FLORIDA Markus PUSCHENREITER Holger KIRCHMANN Institute of Soil Research Department of Forest and Soil SciencesUniversity of Natural Resources and Life Sciences ViennaKonrad-Lorenz-Straße 24Tulln A-3430Austria College of Agriculture and Forestry Mindanao State University at NaawanNaawan 9023Philippines Department of Soil and Environment Swedish University of Agricultural SciencesBox 701475007 UppsalaLennart Hjelms väg 9Uppsala 75651Sweden

Diffusive gradients in thin films(DGT)measurements have been shown to outperform other phosphorus(P)tests in soils with strong P sorption,but this has not been confirmed for moderately weathered European *** compared the performance of DGT in predicting wheat grain yield in Swedish long-term fertility experiments with those of standard intensity(water-extractable P(P-H2O))and quantity(ammonium lactate-extractable P(P-AL))tests.A Mitscherlich-type model was used to fit wheat yield response to P application rates(0,15,30 or 35,and 45 kg P ha-1 year-1)in each individual trial replicate to estimate the maximum *** trials with clear plateau-type yield responses and the goodness of fit(R2)>0.75,relative yields(RYs)were calculated for each P treatment and plotted against the soil P test results(n=143).The goodness of the Mitscherlich-type fits decreased in the following order:DGT-measured P(P-DGT)(R2=0.35)>P-H2O(R2=0.18)>P-AL(R2=0.13).When excluding soils with P-AL:P-DGT≥0.1 L g-1,R2 was considerably improved to 0.55 for P-AL,0.46 for P-H2O,and 0.65 for P-DGT(n=61).At 95%of maximum yield,the upper limit of P deficiency for P-DGT was 44.8(the soils with P-AL:P-DGT<0.1 L g-1)and 61.9μg L-1(all soils),falling within the range reported for other European and Australian soils(6.0–142μg L-1).We show that in the investigated Swedish soils,DGT performed better than the quantity and intensity tests,which is attributed to its ability to capture P diffusion and resupply from the soil solid phase,similar to plant roots in the rhizosphere.

关键词： ammonium lactate-extractable phosphorus diffusive gradients in thin films(DGT) distribution coefficient long-term field experiment Mitscherlich-type model

Plasma-based CO_(2) conversion:How to correctly analyze the performance?

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Journal of Energy Chemistry 2023年第11期86卷 180-196,I0005页

作者： Bart Wanten Rani Vertongen Robin De meyer Annemie Bogaerts Research Group PLASMANT Department of ChemistryUniversity of AntwerpUniversiteitsplein 12610 AntwerpBelgium Research group EMAT Department of PhysicsUniversity of AntwerpGroenenborgerlaan 1712020 AntwerpBelgium

Plasma-based CO_(2)conversion is promising for carbon capture and ***,inconsistent reporting of the performance metrics makes it difficult to compare plasma processes systematically,complicates elucidating the underlying mechanisms and compromises further development of this ***,this critical review summarizes the correct definitions for gas conversion in plasma reactors and highlights common errors and inconsistencies observed throughout *** is done for pure CO_(2)splitting,dry reforming of methane and CO_(2)*** demonstrate that the change in volumetric flow rate is a critical aspect,inherent to these reactions,that is often not correctly taken into *** dry reforming of methane and CO_(2)hydrogenation,we also demonstrate inconsistent reporting of energy efficiency,and through numerical examples,we show the significance of these ***,we discuss how to measure changes in volumetric flow rate,supported by data from two experimental examples,showing that the sensitivity inherent to a standard component and a flow meter is essential to consider when deriving the performance ***,some general recommendations and good practices are *** paper aims to be a comprehensive guideline for authors,to encourage more consistent calculations and stimulate the further development of this technology.

关键词： Plasma CO_(2) Dry reforming of methane CO_(2) hydrogenation Conversion Performance

Growth efficiency,intestinal biology,and nutrient utilization and requirements of black soldier fly(Hermetia illucens)larvae compared to monogastric livestock species:a review

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Journal of Animal Science and Biotechnology 2022年第5期13卷 1262-1281页

作者： Mohammad M.Seyedalmoosavi Manfred Mielenz Teun Veldkamp Gurbuz Das cornelia C.Metges Research Institute for Farm Animal Biology(FBN) Institute of Nutritional Physiology18196 DummerstorfGermany Wageningen UR Livestock ResearchP.O.Box 3386700AH WageningenNetherlands

In recent years,interest in the larvae of black soldier fly(BSF)(Hermetia illucens)as a sustainable protein resource for livestock feed has increased ***,knowledge on the nutritional and physiological aspects of this insect,especially compared to other conventional farmed animals is *** review presents a critical comparison of data on the growth potential and efficiency of the BSF larvae(BSFL)compared to conventional monogastric livestock *** of BSFL over other monogastric livestock species includes their high growth rate and their ability to convert low-grade organic waste into high-quality protein and fat-rich biomass suitable for use in animal *** using literature data suggest that BSFL are more efficient than broilers,pigs and fish in terms of conversion of substrate protein into body mass,but less efficient than broilers and fish in utilization of substrate gross energy to gain body *** growth efficiency varies greatly depending on the nutrient quality of their dietary *** might be associated with the function of their gastrointestinal tract,including the activity of digestive enzymes,the substrate particle characteristics,and their intestinal microbial *** conceived advantage of BSFL having an environmental footprint better than conventional livestock is only true if BSFL is produced on low-grade organic waste and its protein would directly be used for human ***,their potential role as a new species to better close nutrient cycles in agro-ecological systems needs to be reconsidered,and we conclude that BSFL is a complementary livestock species efficiently utilizing organic waste that cannot be utilized by other *** addition,we provide comparative insight into morpho-functional aspects of the gut,characterization of digestive enzymes,gut microbiota and fiber ***,current knowledge on the nutritional utilization and requirements of BSFL in te

关键词： Black soldier fly Comparative growth performance Farm animals Insects as feed Intestinal function Nutrient cycles Nutrition and physiology

Economic implications of the sixth plenary session of the 19th CPC Central Committee for China’s Hong Kong

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Economic and Political Studies 2022年第1期10卷 9-18页

作者： Terence Tai Leung Chong cornelia Yip Patrick Ming Yu Ngai Lau Chor Tak Institute of Global Economics and Finance and Department of Economics The Chinese University of Hong KongHong Kong SARChina Laboratory of Artificial Intelligence and Digital Finance Guizhou University of Finance and EconomicsGuiyangChina CUHK Business School The Chinese University of Hong KongHong Kong SARChina HKU Business School The University of Hong KongHong Kong SARChina

The sixth plenary session of the 19th Central Committee of the Communist Party of China(CPC),also known as‘the Sixth Plenum’,was successfully held in Beijing from 8 to 11 November *** passed a historic resolution on the major achievements and historical experience of the CPC over the past 100 years and set forth the direction of China’s development in the next few *** paper aims to analyse the conclusions reached in the sixth plenary session of the 19th Central Committee of the CPC and discuss its economic implications for the Hong Kong SAR.

关键词： The sixth plenary session historic resolution 14th Five-year Plan China’s Hong Kong