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连续式化铝炉的发展

轻合金加工技术 1987年第4期 1-5页

作者： d.barnes I.Bass 王祝堂

自从南方线材公司积极参与铝棒材及盘条交易以来,下一步工作是进一步发展与完善铝的连续熔炼。本文将竖式化铝炉的发展、现状与展望作一描述。竖式化铝炉是1981年投产的。

关键词：竖式反射炉天然气千焦混合气体熔化速度炉料消耗率装料机

Biodiversity of Arbuscular Mycorrhizal (AM) fungi in mangroves of Goa in West India

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Journal of Forestry Research 2013年第3期24卷 515-523页

作者： james d'Souza Bernard Felinov Rodrigues department of Botany Goa UniversityGoa 403 206 India

Seventeen mangrove species of eight families at seven river- ine and fringe habitats in Goa West India were surveyed for Arbuscular Mycorrhizal （AM） fungal diversity. Sixteen species were found to be mycorrhizal and one species showed no AM fungal colonization. AM root colonization was recorded at all seven sites and ranged from 6%-77%. Maximum root colonization was recorded in Excoecaria agal- locha （77%） and minimum colonization in Avicennia marina （6%）. Paris-type colonization was predominant at all sites. Auxiliary cells were recorded in roots of Acanthus ilicifolius, Ceriops tagal and Sonneretia alba. AM fungal root colonization and spore density varied by plant species and site. Site average spore density ranged from 1.84 spores.g^-1 to 0.54 spores.g-1 of soil. In total, 28 AM fungal species of five genera, viz. Glomus, Acaulospora, Scutellospora, Gigaspora and Entrophospora, were recovered. Glomus was the dominant genus, three species of which were sporocarpic forms. Maximum site species richness （SR） ranged from 16 to 5. Species richness was maximum in A. ilicifolius where seven species of three genera were recovered. Based on relative abun- dance （RA） and isolation frequency （IF）, two common species, viz. G. intraradices and A. laevis, were recovered from all seven sites.

关键词： Glomus intraradices root colonization Paris type sporedensity rhizosphcre

Misalignment Between Skills discovered, disseminated, and deployed in the Knowledge Economy

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Journal of Social Computing 2022年第3期3卷 191-205页

作者： Bhargav Srinivasa desikan james Evans the department of Computer and Communication Sciences École Polytechnique Fédérale de Lausanne(EPFL)Lausanne 1015Switzerland the Knowledge Lab the Department of SociologyUniversity of ChicagoChicagoIL 60615USAand also with the Santa Fe InstituteSanta FeNM 87501USA

The knowledge economy is a complex and dynamical system,where knowledge and skills are discovered through research,diffused via education,and deployed by *** aligning the supply of new knowledge with the demand for practical skills through education is critical for developing national innovation systems that maximize human *** this paper,we evaluate the complex alignment of skills across the knowledge economy by creating an integrated semantic model that neurally encodes invented,instructed,and instituted skills across three major datasets:research abstracts from the Web of Science,teaching syllabi from the Open Syllabus Project,and job advertisements from Burning *** the high dimensional knowledge and skills space inscribed by these data,we draw critical insight about systemic misalignment between the diversity of skills supplied and demanded in the knowledge *** with insights from economic geography,demand for skills from industry exhibits high entropy(diversity)at local,regional,and national levels,demonstrating dense complementarities between them at all levels of the *** with the economics and sociology of innovation,we find low entropy in the invention of new knowledge and skills through research,as specialist researchers cluster within *** provide new evidence,however,for the low entropy of skills taught at local,regional,and national levels,illustrating a massive mismatch between diversity in skills supplied versus *** misalignment is sustained by the spatial and institutional mismatch in the organization of education by researchers at the site of skill invention over *** findings suggestively trace the societal costs of tethering education to researchers with narrow knowledge rather than students with broad skill needs.

关键词： computational content analysis knowledge economy sociology of knowledge natural language processing data science and society

Aggregation-Induced Synthesis (AIS): Asymmetric Synthesis via Chiral Aggregates

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Research 2022年第4期2022卷 731-739页

作者： Hossein Rouh Yao Tang Ting Xu Qingkai Yuan Sai Zhang Jia-Yin Wang Shengzhou Jin Yu Wang Junyi Pan Hannah LWood james d.Mcdonald Guigen Li department of Chemistry and Biochemistry Texas Tech UniversityLubbockTexas 79409-1061USA Institute of Chemistry and BioMedical Sciences School of Chemistry and Chemical EngineeringNanjing UniversityNanjing 210093China

A new chiral aggregate-based tool for asymmetric synthesis has been developed by taking advantage of chiral aggregates of GAP(Group-Assisted Purification)reagents,N-phosphonyl *** tool was proven to be successful in the asymmetric GAP synthesis of functionalized 2,3-dihydrobenzofurans by reacting salicyl N-phosphonyl imines with dialkyl bromomalonates in various cosolvent *** chiral induction can be controlled by differentiating between two asymmetric directions simply by changing the ratios of cosolvents which are commonly adopted in AIE(aggregation-induced emission)*** formation of chiral aggregates was witnessed by a new analytical tool-aggregation-induced polarization(AIP).The present synthetic method will be broadly extended for general organic synthesis,particularly,for asymmetric synthesis and asymmetric catalysis in the future.

关键词： asymmetric chiral synthesis

State-of-the-art and future directions of machine learning for biomass characterization and for sustainable biorefinery

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Journal of Energy Chemistry 2023年第6期81卷 42-63,I0003页

作者： Aditya Velidandi Pradeep Kumar Gandam Madhavi Latha Chinta Srilekha Konakanchi Anji reddy Bhavanam Rama Raju Baadhe Minaxi Sharma james Gaffey Quang d.Nguyen Vijai Kumar Gupta Integrated Biorefinery Research Laboratory Department of BiotechnologyNational Institute of TechnologyWarangalTelangana 506004India Stem cell research laboratory Department of BiotechnologyNational Institute of TechnologyWarangalTelangana 506004India department of Biotechnology Chaitanya University(Deemed to be University)WarangalTelangana 506001India department of Chemical Engineering Dr.B.R.Ambedkar National Institute of Technology JalandharPunjab 144027India Haute Ecole Provinciale de Hainaut-Condorcet 7800 ATHBelgium department of Applied Biology University of Science and TechnologyMeghalaya 793101India Circular Bioeconomy Research Group Shannon Applied Biotechnology CentreMunster Technological UniversityKerryIreland department of Bioengineering and Alcoholic drink Technology Institute of Food Science and TechnologyHungarian University of Agriculture and Life SciencesH-1118 BudapestḾenesiút 45Hungary Biorefining and Advanced Materials Research Center SRUCKings BuildingsWest Mains RoadEdinburgh EH93JGUK department of Biotechnology Graphic Era Deemed to be UniversityDehradun 248002UttarakhandIndia

Machine learning(ML)has emerged as a significant tool in the field of biorefinery,offering the capability to analyze and predict complex processes with *** article reviews the current state of biorefinery and its classification,highlighting various commercially successful ***,we delve into different categories of ML models,including their algorithms and applications in various stages of biorefinery lifecycle,such as biomass characterization,pretreatment,lignin valorization,chemical,thermochemical and biochemical conversion processes,supply chain analysis,and life cycle *** benefits and limitations of each of these algorithms are discussed in ***,the article concludes with a discussion of the limitations and future prospects of ML in the field of biorefineries.

关键词： Biofuel Biomass characterization Biorefinery Life cycle assessment Machine learning Pretreatment

Sampling lattices in semi-grand canonical ensemble with autoregressive machine learning

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npj Computational Materials 2022年第1期8卷 588-597页

作者： james damewood daniel Schwalbe-Koda Rafael Gómez-Bombarelli department of Materials Science and Engineering Massachusetts Institute of Technology77 Massachusetts AvenueCambridgeMA02319USA

Calculating thermodynamic potentials and observables efficiently and accurately is key for the application of statistical mechanics simulations to materials ***,naive Monte Carlo approaches,on which such calculations are often dependent,struggle to scale to complex materials in many state-of-the-art disciplines such as the design of high entropy alloys or multi-component *** address this issue,we adapt sampling tools built upon machine learning-based generative modeling to the materials space by transforming them into the semi-grand canonical ***,we show that the resulting models are transferable across wide ranges of thermodynamic conditions and can be implemented with any internal energy model U,allowing integration into many existing materials *** demonstrate the applicability of this approach to the simulation of benchmark systems (AgPd,CuAu) that exhibit diverse thermodynamic behavior in their phase ***,we discuss remaining challenges in model development and promising research directions for future improvements.

关键词： canonical thermodynamic directions

Parameter space for magnetization effects in high-energy-density plasmas

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Matter and Radiation at Extremes 2021年第6期6卷 36-44页

作者： james d.Sadler Hui Li Kirk A.Flippo Los Alamos National Laboratory Los AlamosNew Mexico 87545USA

Magnetic fields are well known to affect the evolution of fluids via the J3B force,where J is the current density and B is the magnetic *** force leads to the influence of magnetic fields on hydrodynamics(magnetohydrodynamics).Magnetic fields are often neglected in modeling of high-energy-density plasmas,since J 3 B is very small compared with the plasma pressure ***,many experiments lie in a separate part of parameter space where the plasma is indirectly affected via magnetization of the heat flux and charged particle *** is true even for initially unmagnetized plasmas,since misaligned density and temperature gradients can self-generate magnetic *** comparing terms in the induction equation,we go on to estimate the regions of parameter space where these self-generated fields are strong enough to affect the hydrodynamics.

关键词： field magnetization energy

Further discussion of CO_(2) huff-n-puff mechanisms in tight oil reservoirs based on NMR monitored fluids spatial distributions

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Petroleum Science 2023年第1期20卷 350-361页

作者： Wei-Yu Tang james J.Sheng Ting-Xue Jiang Unconventional Petroleum Research Institute China University of PetroleumBeijing102249China Bob L.Herd department of Petroleum Engineering Texas Tech UniversityLubbockTX79409USA Sinopec Research Institute of Petroleum Engineering Beijing100101China

due to the poor physical properties of tight reservoirs,CO_(2) huff-n-puff(HNP)is considered a potential enhanced oil recovery(EOR)method after primary *** plays a critical role in the effective implementation of CO_(2) *** the optimization requires a good understanding of the EOR *** this work,the spatial distribution of oil saturation under different experimental conditions was analyzed by the NMR method to further discuss the HNP *** to the variation of 1d frequency signal amplitude,we divided the core into the hardly movable area and movable area,the region with the obvious signal decline was defined as the movable area,and the hardly movable area was the region with limited signal *** on that the recovery characteristics of different scenarios were ***,the necessity of the soaking stage was studied,where three scenarios with different soaking times were carried ***,the injection pressure was adjusted to investigate the effect of the pressure *** T_(2) spectra show that soaking has significantly improved the production of crude oil in small pores,and higher oil recovery in a single cycle is observed,but it is lower when the elapsed time(total operation time)is the same.31.03% of oil can be recovered after 3 cycles HNP,which increases to 33.8% and 37.06% for the 4 cycles and 6 cycles *** the pressure gradient increases,more oil is removed out of the matrix,and the oil in the deep part of the reservoir can be effectively *** the CO_(2) huff-n-puff process,the oil distributions are similar to the solution gas drive,the residual oil is distributed at the close end of the core and the range that the oil can be efficiently recovered is limited.

关键词： Tight reservoirs Low-field nuclear magnetic resonance (NMR) CO_(2)huff-n-puff Enhanced oil recovery

decoding hereditary spastic paraplegia pathogenicity through transcriptomic profiling

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Zoological Research 2023年第3期44卷 650-662页

作者： Nicolas james Ho Xiao Chen Yong Lei Shen Gu School of Biomedical Sciences Faculty of MedicineThe Chinese University of Hong KongHong Kong SARChina dr.Li dak Sum-Yip Yio Chin Center for Stem Cells and Regenerative Medicine and department of Orthopedic Surgery of the Second Affiliated Hospital Zhejiang University School of MedicineHangzhouZhejiang 310058China Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province Zhejiang University School of MedicineHangzhouZhejiang 310058China Zhejiang University-University of Edinburgh Institute&School of Basic Medicine Zhejiang University School of MedicineHangzhouZhejiang 310058China department of Sports Medicine Zhejiang University School of MedicineHangzhouZhejiang 310058China China Orthopedic Regenerative Medicine Group(CORMed) HangzhouZhejiang310058 China School of Medicine The Chinese University of Hong Kong(Shenzhen)ShenzhenGuangdong 518172China The Chinese University of Hong Kong(Shenzhen) Shenzhen Futian Biomedical Innovation R&D CenterShenzhenGuangdong 518172China Key Laboratory for Regenerative Medicine Ministry of EducationSchool of Biomedical SciencesFaculty of MedicineThe Chinese University of Hong KongHong Kong SARChina Kunming Institute of Zoology-The Chinese University of Hong Kong(KIZ-CUHK)Joint Laboratory of Bioresources and Molecular Research of Common diseases Hong Kong SARChina Hong Kong Branch of CAS Center for Excellence in Animal Evolution and Genetics The Chinese University of Hong KongHong Kong SARChina

Hereditary spastic paraplegia(HSP)is a group of genetic motor neuron diseases resulting from length-dependent axonal degeneration of the corticospinal upper motor *** to the advancement of next-generation sequencing,more than 70 novel HSP disease-causing genes have been identified in the past *** this,our understanding of HSP physiopathology and the development of efficient management and treatment strategies remain *** major challenge in studying HSP pathogenicity is selective neuronal vulnerability,characterized by the manifestation of clinical symptoms that are restricted to specific neuronal populations,despite the presence of germline disease-causing variants in every cell of the ***,disease genes may exhibit ubiquitous expression patterns and involve a myriad of different pathways to cause motor neuron *** the current review,we explore the correlation between transcriptomic data and clinical manifestations,as well as the importance of interspecies models by comparing tissue-specific transcriptomic profiles of humans and mice,expression patterns of different genes in the brain during development,and single-cell transcriptomic data from related ***,we discuss the potential of emerging single-cell RNA sequencing technologies to resolve unanswered questions related to HSP pathogenicity.

关键词： degeneration transcript hereditary