LabID-base/OpenAlex-Afillation huggingface dataset:
Changes in Blood Lactate Concentration During a Step Incremental Test Do Not Predict Changes in Substrates Oxidation Through the Training Season
Year: 2025
Type: article
Language: en
Topic: Muscle metabolism and nutrition
Authors and affiliations:
raw_author_name: José Antonio Benítez-Muñoz
raw_affiliation_strings: LFE Research Group, Department of Health and Human Performance, Faculty of Physical Activity and Sport Science (INEF), Universidad Politécnica de Madrid, Madrid, Spain;
raw_author_name: Pablo R. Fleitas-Paniagua
raw_affiliation_strings: Faculty of Health Sciences, Universidad Católica ¨Nuestra Señora de la Asunción¨, Asunción, Paraguay
Faculty of Kinesiology, University of Calgary, Canada; and
raw_author_name: Juan M. Murias
raw_affiliation_strings: College of Health and Life Sciences, Hamad Bin Khalifa University, Doha, Qatar
raw_author_name: Rocío Cupeiro
raw_affiliation_strings: LFE Research Group, Department of Health and Human Performance, Faculty of Physical Activity and Sport Science (INEF), Universidad Politécnica de Madrid, Madrid, Spain;
A responsabilidade civil das plataformas digitais pela divulgação de fake News
Year: 2025
Type: article
Topic: Brazilian Legal Issues
Authors and affiliations:
raw_author_name: Brenda Kelly Albuquerque dos Santos
raw_affiliation_strings: Faculdade dos Carajás, PA, Brasil
raw_author_name: Bruna Belém Chaves
raw_affiliation_strings: Faculdade dos Carajás, PA, Brasil
raw_author_name: Ieda Cristina Dias Amorim
raw_affiliation_strings: Faculdade dos Carajás, PA, Brasil
Extreme Lateral Infracondylar Approach for Occipital Artery to Vertebral Artery (V3) Bypass for Vertebrobasilar Insufficiency: 2-Dimensional Operative Video
Year: 2025
Type: article
Language: en
Topic: Cerebrovascular and Carotid Artery Diseases
Authors and affiliations:
raw_author_name: Ehsan Dowlati
raw_affiliation_strings: Department of Neurosurgery, Northwell Health/Donald and Barbara Zucker School of Medicine at Hofstra, Manhasset, New York, USA;
raw_author_name: Shrey V. Patel
raw_affiliation_strings: Tufts University School of Medicine, Boston, Massachusetts, USA;
raw_author_name: Sabastian Hajtovic
raw_affiliation_strings: Department of Neurosurgery, Northwell Health/Donald and Barbara Zucker School of Medicine at Hofstra, Manhasset, New York, USA;
raw_author_name: Ammar Alsalahi
raw_affiliation_strings: Division of Neurosurgery, Ascension Providence Hospital, Southfield, Michigan, USA;
raw_author_name: Daniel Toscano
raw_affiliation_strings: Department of Neurosurgery, Northwell Health/Donald and Barbara Zucker School of Medicine at Hofstra, Manhasset, New York, USA;
raw_author_name: Justin Turpin
raw_affiliation_strings: Department of Neurosurgery, Northwell Health/Donald and Barbara Zucker School of Medicine at Hofstra, Manhasset, New York, USA;
raw_author_name: Jeffrey M. Katz
raw_affiliation_strings: Department of Neurology, Northwell Health/Donald and Barbara Zucker School of Medicine at Hofstra, Hempstead, New York, USA;
raw_author_name: Peter D. Costantino
raw_affiliation_strings: Department of Otolaryngology-Head and Neck Surgery, Weill Cornell School of Medicine, New York, New York, USA
raw_author_name: Amir R. Dehdashti
raw_affiliation_strings: Department of Neurosurgery, Northwell Health/Donald and Barbara Zucker School of Medicine at Hofstra, Manhasset, New York, USA;
Evaluation of Outcome of MIS-TLIF for the Treatment of Low-Grade (I and II) Spondylolisthesis
Year: 2025
Type: article
Topic: Spine and Intervertebral Disc Pathology
Authors and affiliations:
raw_author_name: Mahfujur Rahman
raw_affiliation_strings: Directorate General of Health Services, Deputed to Bangladesh Medical University, Dhaka
raw_author_name: Anowarul Islam
raw_affiliation_strings: Department of Orthopedic Surgery, Bangladesh Medical University, Dhaka
raw_author_name: Nazrul Islam
raw_affiliation_strings: Directorate General of Health Services, Deputed to Bangladesh Medical University, Dhaka
raw_author_name: Debashish Dey
raw_affiliation_strings: Directorate General of Health Services, Deputed to Bangladesh Medical University, Dhaka
raw_author_name: Golam Shaikh Ferdous
raw_affiliation_strings: Directorate General of Health Services, Deputed to Bangladesh Medical University, Dhaka
raw_author_name: Aminur Rasul
raw_affiliation_strings: Directorate General of Health Services, Deputed to Bangladesh Medical University, Dhaka
Enhancing sustained antimicrobial activity of <i>ε</i> -polylysine via soluble soybean polysaccharides nanoparticles
Year: 2025
Type: article
Language: en
Topic: Biopolymer Synthesis and Applications
Authors and affiliations:
raw_author_name: Weiling Mo
raw_affiliation_strings: National Engineering Research Center for Rice and By-product Deep Processing, School of Food Science and Engineering , Central South University of Forestry and Technology , Changsha , 410004 , China
raw_author_name: Shuping Li
raw_affiliation_strings: National Engineering Research Center for Rice and By-product Deep Processing, School of Food Science and Engineering , Central South University of Forestry and Technology , Changsha , 410004 , China
raw_author_name: Zihan Yuan
raw_affiliation_strings: National Engineering Research Center for Rice and By-product Deep Processing, School of Food Science and Engineering , Central South University of Forestry and Technology , Changsha , 410004 , China
raw_author_name: Liting Jia
raw_affiliation_strings: National Engineering Research Center for Rice and By-product Deep Processing, School of Food Science and Engineering , Central South University of Forestry and Technology , Changsha , 410004 , China
raw_author_name: Qinlu Lin
raw_affiliation_strings: National Engineering Research Center for Rice and By-product Deep Processing, School of Food Science and Engineering , Central South University of Forestry and Technology , Changsha , 410004 , China
raw_author_name: Chun Liu
raw_affiliation_strings: National Engineering Research Center for Rice and By-product Deep Processing, School of Food Science and Engineering , Central South University of Forestry and Technology , Changsha , 410004 , China
The feasibility of the enhancing medicines self-management for community dwelling people living with dementia and family carers (MAGNET) psychosocial intervention: protocol for a non-randomised feasibility study
Year: 2025
Type: article
Language: en
Topic: Dementia and Cognitive Impairment Research
Authors and affiliations:
raw_author_name: Lubena Mirza
raw_affiliation_strings: NIHR Yorkshire and Humber Patient Safety Translational Research Centre, Bradford Institute for Health Research, Bradford, UK
Wolfson Centre for Applied Health Research, Bradford, United Kingdom
raw_author_name: John L. O’Dwyer
raw_affiliation_strings: Academic Unit of Health Economics, Leeds Institute of Health Sciences, University of Leeds, Worsley Building, Leeds, LS2 9NL, UK
raw_author_name: Mariam Fargin
raw_affiliation_strings: NIHR Yorkshire and Humber Patient Safety Translational Research Centre, Bradford Institute for Health Research, Bradford, UK
Wolfson Centre for Applied Health Research, Bradford, United Kingdom
raw_author_name: Beth Fylan
raw_affiliation_strings: NIHR Yorkshire and Humber Patient Safety Translational Research Centre, Bradford Institute for Health Research, Bradford, UK
School of Pharmacy and Medical Sciences, University of Bradford, Bradford, UK
Wolfson Centre for Applied Health Research, Bradford, United Kingdom
raw_author_name: Zoe Edwards
raw_affiliation_strings: Affinity Care PCN, Bradford, United Kingdom
School of Pharmacy and Medical Sciences, University of Bradford, Bradford, UK
raw_author_name: Justine Tomlinson
raw_affiliation_strings: School of Pharmacy and Medical Sciences, University of Bradford, Bradford, UK
Wolfson Centre for Applied Health Research, Bradford, United Kingdom
raw_author_name: Mohammed Akhlak Rauf
raw_affiliation_strings: Meri Yaadian, Bradford, United Kingdom
NIHR Yorkshire and Humber Patient Safety Translational Research Centre, Bradford Institute for Health Research, Bradford, UK
raw_author_name: Catherine Quinn
raw_affiliation_strings: Centre for Applied Dementia Studies, University of Bradford, Bradford, UK
Wolfson Centre for Applied Health Research, Bradford, United Kingdom
raw_author_name: Catherine Powell
raw_affiliation_strings: School of Pharmacy and Medical Sciences, University of Bradford, Bradford, UK. c.powell2@bradford.ac.uk
Wolfson Centre for Applied Health Research, Bradford, United Kingdom. c.powell2@bradford.ac.uk
School of Pharmacy and Medical Sciences, University of Bradford, Bradford, UK
Wolfson Centre for Applied Health Research, Bradford, United Kingdom
PERAN FASILITAS SARANA DAN PRASARANA SSB PASPEL BATHIN II PELAYANG
Year: 2025
Type: article
Topic: Sports and Physical Education Research
Authors and affiliations:
raw_author_name: Juranda
raw_affiliation_strings: Universitas Muhammadiyah Muara Bungo
raw_author_name: Ikhsan Maulana Putra
raw_affiliation_strings: Universitas Muhammadiiyah Muara Bungo
raw_author_name: Raja Bani Pilitan
raw_affiliation_strings: Universitas Muhammadiyah Muara Bungo
Repellent effects of insecticides against Aedes aegypti: a systematic review
Year: 2025
Type: review
Language: en
Topic: Insect Pest Control Strategies
Authors and affiliations:
raw_author_name: Leonardo Barbosa Koerich
raw_affiliation_strings: Laboratório de Entomologia Médica, Departamento de Parasitologia, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil. lbkoerich@gmail.com
Laboratório de Genômica Evolutiva, Departamento de Genética, Universidade Federal Do Rio de Janeiro, Rio de Janeiro, Brazil. lbkoerich@gmail.com
Laboratório de Entomologia Médica, Departamento de Parasitologia, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
Laboratório de Genômica Evolutiva, Departamento de Genética, Universidade Federal Do Rio de Janeiro, Rio de Janeiro, Brazil
raw_author_name: Artur Metzker Serravite
raw_affiliation_strings: Laboratório de Entomologia Médica, Departamento de Parasitologia, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
raw_author_name: Pedro Henryque de Castro
raw_affiliation_strings: Laboratório de Entomologia Médica, Departamento de Parasitologia, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
raw_author_name: Julia Paula Rabelo
raw_affiliation_strings: Laboratório de Entomologia Médica, Departamento de Parasitologia, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
raw_author_name: Pedro Horta Andrade
raw_affiliation_strings: Laboratório de Entomologia Médica, Departamento de Parasitologia, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
raw_author_name: Daniel Milagre Marques
raw_affiliation_strings: Laboratório de Entomologia Médica, Departamento de Parasitologia, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
raw_author_name: Marcos Horácio Pereira
raw_affiliation_strings: Laboratório de Fisiologia de Insetos Hematófagos, Departamento de Parasitologia, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
raw_author_name: Mauricio Roberto Vianna Sant’Anna
raw_affiliation_strings: Laboratório de Fisiologia de Insetos Hematófagos, Departamento de Parasitologia, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
raw_author_name: Nelder Figueiredo Gontijo
raw_affiliation_strings: Laboratório de Fisiologia de Insetos Hematófagos, Departamento de Parasitologia, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
raw_author_name: Juliana Maria Trindade Bezerra
raw_affiliation_strings: Centro de Estudos Superiores de Lago da Pedra, Universidade Estadual Do Maranhão, São Luís, Maranhão, Brazil
raw_author_name: Grasielle Caldas D.’Ávila Pessoa
raw_affiliation_strings: Laboratório de Entomologia Médica, Departamento de Parasitologia, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil. grasiellepessoa2016@gmail.com
Laboratório de Entomologia Médica, Departamento de Parasitologia, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
Algebraic curves of higher orders in teaching higher mathematics. Methods of constructing algebraic curves
Year: 2025
Type: article
Topic: Advanced Theoretical and Applied Studies in Material Sciences and Geometry
Authors and affiliations:
raw_author_name: Y.D. Kulanin
raw_affiliation_strings: Moscow State University of Psychology and Education
raw_author_name: M.E. Stepanov
raw_affiliation_strings: Moscow State University of Psychology and Education
Volume-Based Stereotactic Radiofrequency Thermocoagulation for Drug-Resistant Focal Epilepsy: Preliminary Multicenter Report From Japan
Year: 2025
Type: article
Language: en
Topic: Epilepsy research and treatment
Authors and affiliations:
raw_author_name: Masaki Iwasaki
raw_affiliation_strings: Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan;
raw_author_name: Takahiro Hayashi
raw_affiliation_strings: Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan;
raw_author_name: Keiya Iijima
raw_affiliation_strings: Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan;
raw_author_name: Yuiko Kimura
raw_affiliation_strings: Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan;
raw_author_name: Naoki Ikegaya
raw_affiliation_strings: Department of Neurosurgery, Yokohama City University Graduate School of Medicine, Yokohama, Japan;
raw_author_name: Yutaro Takayama
raw_affiliation_strings: Department of Neurosurgery, Yokohama City University Graduate School of Medicine, Yokohama, Japan;
raw_author_name: Masaki Sonoda
raw_affiliation_strings: Department of Neurosurgery, Yokohama City University Graduate School of Medicine, Yokohama, Japan;
raw_author_name: Takashi Morishita
raw_affiliation_strings: Department of Neurosurgery, Faculty of Medicine, Fukuoka University, Fukuoka, Japan;
raw_author_name: Koichi Hagiwara
raw_affiliation_strings: Department of Neurosurgery, Faculty of Medicine, Fukuoka University, Fukuoka, Japan;
raw_author_name: Masafumi Fukuda
raw_affiliation_strings: Division of Functional Neurosurgery, NHO Nishiniigata Chuo Hospital, Niigata, Japan;
raw_author_name: Tomotaka Ishizaki
raw_affiliation_strings: Department of Neurosurgery, Nagoya University Graduate School of Medicine, Nagoya, Japan
raw_author_name: Satoshi Maesawa
raw_affiliation_strings: Department of Neurosurgery, Nagoya University Graduate School of Medicine, Nagoya, Japan
Serial measurements of neuron specific enolase, glial fibrillary acidic protein and neurofilament light for mortality prediction in patients with severe acute brain injury in the ICU
Year: 2025
Type: article
Language: en
Topic: S100 Proteins and Annexins
Authors and affiliations:
raw_author_name: Wolmet E. Haksteen
raw_affiliation_strings: Department of Intensive Care Medicine , 26066 Amsterdam UMC, University of Amsterdam, Amsterdam Neuroscience , Amsterdam , The Netherlands
raw_author_name: Lynn Boonkamp
raw_affiliation_strings: Neurochemistry Laboratory, Department of Laboratory Medicine , Amsterdam UMC, Vrije Universiteit, Amsterdam Neuroscience , Amsterdam , The Netherlands
raw_author_name: Lisa Vermunt
raw_affiliation_strings: Neurochemistry Laboratory, Department of Laboratory Medicine , Amsterdam UMC, Vrije Universiteit, Amsterdam Neuroscience , Amsterdam , The Netherlands
raw_author_name: Daan C. Velseboer
raw_affiliation_strings: Department of Intensive Care Medicine , 26066 Amsterdam UMC, University of Amsterdam, Amsterdam Neuroscience , Amsterdam , The Netherlands
raw_author_name: Sefanja Achterberg
raw_affiliation_strings: Department of Intensive Care Medicine , Haaglanden MC , Den Haag , The Netherlands
raw_author_name: Peter van Vliet
raw_affiliation_strings: Department of Intensive Care Medicine , Haaglanden MC , Den Haag , The Netherlands
raw_author_name: Cornelia Hoedemaekers
raw_affiliation_strings: Department of Intensive Care Medicine , Radboudumc, Radboud University , Nijmegen , The Netherlands
raw_author_name: Charlotte E. Teunissen
raw_affiliation_strings: Neurochemistry Laboratory, Department of Laboratory Medicine , Amsterdam UMC, Vrije Universiteit, Amsterdam Neuroscience , Amsterdam , The Netherlands
raw_author_name: Janneke Horn
raw_affiliation_strings: Department of Intensive Care Medicine , 26066 Amsterdam UMC, University of Amsterdam, Amsterdam Neuroscience , Amsterdam , The Netherlands
Analysis of the complexity of the algorithm for solving the time-optimization problem for linear discrete-time systems with linear constraints
Year: 2025
Type: article
Topic: Aerospace Engineering and Control Systems
Authors and affiliations:
raw_author_name: N.A. Kamchiev
raw_affiliation_strings: Moscow Aviation Institute (national research university) (MAI)
raw_author_name: D.N. Ibragimov
raw_affiliation_strings: Moscow Aviation Institute (national research university) (MAI)
Two cases of juxtapapillary retinal astrocytic hamartoma: a multimodal imaging study
Year: 2025
Type: article
Language: en
Topic: Tuberous Sclerosis Complex Research
Authors and affiliations:
raw_author_name: Mizuho Mitamura
raw_affiliation_strings: Department of Ophthalmology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
raw_author_name: Satoru Kase
raw_affiliation_strings: Department of Ophthalmology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan. kaseron@med.hokudai.ac.jp
Department of Ophthalmology, Faculty of Medicine and Graduate School of Medicine, Nara Medical University, 840, Kashihara city Shijyo-chou, Nara, 634-8522, Japan. kaseron@med.hokudai.ac.jp
Department of Ophthalmology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
raw_author_name: Kiriko Nishiyama-Hirooka
raw_affiliation_strings: Department of Ophthalmology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
raw_author_name: Michiyuki Saito
raw_affiliation_strings: Department of Ophthalmology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
raw_author_name: Susumu Ishida
raw_affiliation_strings: Department of Ophthalmology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
Systemic immune-inflammation index-mediated association of composite dietary antioxidant index with obesity in children and adolescents: based on NHANES 2011–2018
Year: 2025
Type: article
Language: en
Topic: Inflammatory Biomarkers in Disease Prognosis
Authors and affiliations:
raw_author_name: Aoyang Zhou
raw_affiliation_strings: Department of Pediatrics, West China Second University Hospital, Sichuan University, Chengdu, 610041, China
Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu, 610041, China
raw_author_name: Ping Li
raw_affiliation_strings: Department of Pediatrics, West China Second University Hospital, Sichuan University, Chengdu, 610041, China
Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu, 610041, China
raw_author_name: Ling Feng
raw_affiliation_strings: Department of Pediatrics, West China Second University Hospital, Sichuan University, Chengdu, 610041, China
Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu, 610041, China
raw_author_name: Fan Yang
raw_affiliation_strings: Department of Pediatrics, West China Second University Hospital, Sichuan University, Chengdu, 610041, China. 506742295@qq.com
Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu, 610041, China. 506742295@qq.com
Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu, 610041, China
Department of Pediatrics, West China Second University Hospital, Sichuan University, Chengdu, 610041, China
A Delphi panel consensus study validating the appropriateness, relevance, and clarity of quality measures for chiropractic care
Year: 2025
Type: article
Language: en
Topic: Musculoskeletal pain and rehabilitation
Authors and affiliations:
raw_author_name: Robert Vining
raw_affiliation_strings: Palmer Center for Chiropractic Research, Palmer College of Chiropractic, 1000 Brady St, Davenport, IA, USA. robert.vining@palmer.edu
Palmer Center for Chiropractic Research, Palmer College of Chiropractic, 1000 Brady St, Davenport, IA, USA
raw_author_name: Elissa Twist
raw_affiliation_strings: Palmer Center for Chiropractic Research, Palmer College of Chiropractic, 1000 Brady St, Davenport, IA, USA
raw_author_name: Amy Minkalis
raw_affiliation_strings: Palmer Center for Chiropractic Research, Palmer College of Chiropractic, 1000 Brady St, Davenport, IA, USA
raw_author_name: Maranda Kleppe
raw_affiliation_strings: Palmer Center for Chiropractic Research, Palmer College of Chiropractic, 1000 Brady St, Davenport, IA, USA
raw_author_name: Sujatha Kedilaya
raw_affiliation_strings: Palmer Center for Chiropractic Research, Palmer College of Chiropractic, 1000 Brady St, Davenport, IA, USA
Accelerated land surface greening caused by earlier permafrost thawing
Year: 2025
Type: article
Language: en
Topic: Climate change and permafrost
Authors and affiliations:
raw_author_name: Hao Hua
raw_affiliation_strings: The Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, China
University of the Chinese Academy of Sciences, Beijing, China
raw_author_name: Jian Wang
raw_affiliation_strings: The Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, China
University of the Chinese Academy of Sciences, Beijing, China
raw_author_name: Constantin M. Zohner
raw_affiliation_strings: Department of Environmental Systems Science, Institute of Integrative Biology, ETH, Zurich, Zurich, Switzerland
raw_author_name: Josep Peñuelas
raw_affiliation_strings: CREAF, Barcelona, Catalonia, Spain
CSIC, Global Ecology Unit CREAF-CSIC-UAB, Barcelona, Catalonia, Spain
raw_author_name: Youhua Ran
raw_affiliation_strings: Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou, China
raw_author_name: Chaoyang Wu
raw_affiliation_strings: The Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, China. wucy@igsnrr.ac.cn
University of the Chinese Academy of Sciences, Beijing, China. wucy@igsnrr.ac.cn
University of the Chinese Academy of Sciences, Beijing, China
The Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, China