检索结果-南通市图书馆

基于几何形态测量学的亚欧大陆已灭绝食肉动物齿痕埋藏特征

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Science Bulletin 2022年第16期67卷 1644-1648,M0003,M0004页

作者： José Yravedra Lloyd Austin Courtenay Darío Herranz-Rodrigo Gonzalo Linares-Matás Juan JoséRodríguez-Alba Verónica Estaca-Gómez Carmen luzón Alexia serrano-Ramos MiguelÁngel Maté-González JoséAntonio Solano Diego González-Aguilera Juan Manuel Jiménez-Arenas Department of Prehistory Ancient History and ArchaeologyComplutense University of MadridMadrid 28040Spain C.A.I.Archaeometry and Archaeological Analysis Complutense UniversityMadrid 28040Spain Grupo de Investigación Ecosistemas Cuaternarios Complutense UniversityMadrid 28040Spain Grupo de Investigación Arqueología Prehistórica Complutense UniversityMadrid 28040Spain Museo Primeros Pobladores de Europa‘Josep Gibert’ Orce 18858Spain Department of Cartographic and Land Engineering Higher Polytechnic School of AvilaUniversity of SalamancaAvila 05003Spain School of Archaeology St.Hugh’s CollegeUniversity of OxfordOxford 01865United Kingdom History and Arts Doctoral Program University of GranadaGranada 18071Spain Escuela Técnica Superior de Ingenieros en Topografía Geodesia y Cartografía.Universidad Politécnica de MadridMadrid 28031Spain Department of Prehistory and Archaeology University of GranadaGranada 18071Spain

确定动物遗骸状况的形成原因是法医学、考古学、古生物学与兽医学的主要研究方向之一.食肉动物因其进食习惯成为对尸体最具破坏力的群体之一.为识别Venta Micena3(奥尔赛,格拉纳达,西班牙)古生物遗址形成与变化过程中起决定作用的已灭... 详细信息

确定动物遗骸状况的形成原因是法医学、考古学、古生物学与兽医学的主要研究方向之一.食肉动物因其进食习惯成为对尸体最具破坏力的群体之一.为识别Venta Micena3(奥尔赛,格拉纳达,西班牙)古生物遗址形成与变化过程中起决定作用的已灭绝食肉动物,本研究采用10个已灭绝有蹄类动物长骨骨干上的28处齿痕与483个现存食肉动物齿痕进行了比较.基于3D扫描成像技术,研究团队重建了28处有待识别齿痕,并为每份样本放置25个界标(landmarks),通过广义普氏分析法进行几何形态学分析.在进行多变量分析时,采用了主成分分析法.与此同时,运用机器学习(machine learning)算法对全部参与识别齿痕化石进行了分类预测,平均准确率为94%.研究证实20处齿痕来自鬣狗科动物,6处来自大型猫科动物,1处来自犬属动物,另有1处无法确定来源.本研究提供了由已灭绝食肉动物牙痕构成的研究样例.

关键词：几何形态测量学埋藏特征有蹄类动物齿痕几何形态学机器学习分类预测多变量分析

Cost Optimisation for Minimizing the Visual Impact of Ornamental Stone Quarrying. A Case Study in Murcia Region

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Journal of Geoscience and Environment Protection 2018年第2期6卷 74-88页

作者： José Molina-Ruiz María José Martínez-Sánchez Carmen Pérez-Sirvent Mari luz García-Lorenzo María luz Tudela-serrano Department of Geography Faculty of Geography University of Murcia Campus de la Merced Murcia Spain Department of Agricultural Chemistry Geology and Pedology Faculty of Chemistry University of Murcia Campus de Espinardo Murcia Spain Department of Mineralogy and Petrology Faculty of Geology University Complutense of Madrid Madrid Spain

Quarrying of ornamental stone has adverse effects that are both visual and environmental. This paper aims to develop a methodology for minimising the costs associated with reducing the visual impact of ornamental stone quarrying. This study uses digital topographical maps of the study zone and a GPS and GIS application to calculate the extent of the area affected by quarrying activities for each altitude designated in the work plan and to calculate the extent of the potential visual impact. The results obtained applying the proposed methodology for the selected area suggested that the potential visual impact is minimal for an altitude of 520 metres, this being the optimal point for the observer. When altitude increases, the potential visual impact increases and the optimal point for the observer diminishes until the highest impact altitude (740 m) is readied. The optimal point that the exploitation should reach is that at which the values of the diagram generated by the (%) area of potential visual impact and area of exploitation (%) intersect. The methodology allows the optimal altitude to be determined for mining exploitations and helps assess the viability of a given exploitation from an environmental point of view.

关键词： Restoration Costs Ornamental Stone Visual Impact Limestone Quarrying

Synthesis of Solid Acid Catalysts Based on TiO2- SO42-and Pt/TiO2- SO42-Applied in n-Hexane Isomerization

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Open Journal of Metal 2013年第3期3卷 34-44页

作者： Juan Manuel Hernández Enríquez luz Aracely Cortez Lajas Ricardo García Alamilla Estefanía ángeles San Martín Pedro García Alamilla Edward Brent Handy Guadalupe Cárdenas Galindo luz Arcelia García serrano CIEP Facultad de Ciencias Químicas Universidad Autónoma de San Luis Potosí Av. Dr. Manuel Nava #6 Zona Universitaria 78210 San Luis Potosí San Luis Potosí México Instituto Politécnico Nacional Centro Interdisciplinario de Investigaciones y Estudios sobre Medio Ambiente y Desarrollo 30 de Junio #1520 Barrio La Laguna Ticomán 07340 México D.F. México Instituto Tecnológico de Cd. Madero División de Estudios de Posgrado e Investigación Juventino Rosas y Jesús Urueta S/N Col. Los Mangos 89440 Cd. Madero Tamaulipas México Universidad Juárez Autónoma de Tabasco División Académica de Ciencias Agropecuarias Avenida Universidad S/N Zona Cultura Colonia Magisterial 86040 Villahermosa Tabasco México

The physicochemical properties and catalytic activity of pure and sulfated titanium oxide (TiO2 and ) is described in this work. Titanium hydroxide synthesized by the sol-gel method was impregnated with a 1 N H2SO4 solution, varying amount of sulfate ions () in the range from 10 to 20 wt%. Pure and modified hydroxides were calcined at 500°C for 3 h and then characterized by TGA-DTG, XRD, BET, FT-IR, potentiometric titration with n-butylamine and 2-propanol dehydration. Catalytic activity of materials was tested in the n-hexane isomerization at 350°C. The results showed that TiO2 and mainly developed anatase phase. All have acceptable specific surface area (95-105 m2/g). Potentiometric titration with n-butylamine revealed that showed higher acidity (430-530 mV) than compared to pure TiO2 (﹣15 mV), indicating that this oxide only has weak acidity. The results showed good relationship between acidity determined by potentiometric titration with n-butylamine and the catalytic activity evaluated by 2-propanol dehydration and n-hexane isomerization. Titanium oxide with 20 wt% ofions was the material that demonstrated the highest catalytic activity for both reactions.

关键词： Acid Catalysts Sulfated Titanium Oxide Physico-Chemical Properties n-Hexane Isomerization

Arachidyl amido cholanoic acid improves liver glucose and lipid homeostasis in nonalcoholic steatohepatitis via AMPK and mTOR regulation

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

World Journal of Gastroenterology 2020年第34期26卷 5101-5117页

作者： David Fernández-Ramos Fernando Lopitz-Otsoa Laura Delacruz-Villar Jon Bilbao Martina Pagano Laura Mosca Maider Bizkarguenaga Marina serrano-Macia Mikel Azkargorta Marta Iruarrizaga-Lejarreta Jesús Sot Darya Tsvirkun Sebastiaan Martijn van Liempd Felix M Goni Cristina Alonso María luz Martínez-Chantar Felix Elortza Liat Hayardeny Shelly C Lu JoséM Mato Precision Medicine and Metabolism Laboratory Centro de Investigación Cooperativa en Biociencias(CIC bioGUNE)Derio 48160BizkaiaSpain CIBERehd-Centro de Investigación Biomédica en Red de enfermedades hepáticas y digestivas Madrid 28029Spain Department of Precision Medicine University of Campania"Luigi Vanvitelli"Naples 80138Italy Liver Disease Laboratory Centro de Investigación Cooperativa en Biociencias(CIC bioGUNE)Derio 48160Spain Proteomics Platform Centro de Investigación Cooperativa en Biociencias(CIC bioGUNE)Derio 48160Spain OWL Metabolomics Derio 48160Spain Instituto Biofisika(UPV/EHU CSIC)Leioa 48940SpainDepartamento de Bioquímica y Biología MolecularUniversidad del País VascoLeioa 48940Spain Pre-clinical and Chemistry Manufacturing and ControlsGalmed PharmaceuticalsTel Aviv 6578317Israel Metabolomics Platform Centro de Investigación Cooperativa en Biociencias(CIC bioGUNE)Derio 48160Spain Division of Digestive and Liver Diseases Cedars-Sinai Medical CenterLos AngelesCA 90048United States

BACKGROUND Arachidyl amido cholanoic acid(Aramchol)is a potent downregulator of hepatic stearoyl-CoA desaturase 1(SCD1)protein expression that reduces liver triglycerides and fibrosis in animal models of *** a phase IIb clinical trial in patients with nonalcoholic steatohepatitis(NASH),52 wk of treatment with Aramchol reduced blood levels of glycated hemoglobin A1c,an indicator of glycemic *** To assess lipid and glucose metabolism in mouse hepatocytes and in a NASH mouse model[induced with a 0.1%methionine and choline deficient diet(0.1MCD)]after treatment with *** Isolated primary mouse hepatocytes were incubated with 20μmol/L Aramchol or vehicle for 48 ***,analyses were performed including Western blot,proteomics by mass spectrometry,and fluxomic analysis with 13C-uniformly labeled *** the in vivo part of the study,male C57BL/6J mice were randomly fed a control or 0.1MCD for 4 wk and received 1 or 5 mg/kg/d Aramchol or vehicle by intragastric gavage for the last 2 *** metabolomics were assessed using ultra-high-performance liquid chromatography-time of flight-MS for the determination of glucose metabolism-related *** Combination of proteomics and Western blot analyses showed increased AMPK activity while the activity of nutrient sensor mTORC1 was decreased by Aramchol in *** translated into changes in the content of their downstream targets including proteins involved in fatty acid(FA)synthesis and oxidation[PACCα/β(S79),SCD1,CPT1A/B,HADHA,and HADHB],oxidative phosphorylation(NDUFA9,NDUFB11,NDUFS1,NDUFV1,ETFDH,and UQCRC2),tricarboxylic acid(TCA)cycle(MDH2,SUCLA2,and SUCLG2),and ribosome(P-p70S6K[T389]and P-S6[S235/S236]).Flux experiments with 13Cuniformely labeled glucose showed that TCA cycle cataplerosis was reduced by Aramchol in hepatocytes,as indicated by the increase in the number of rounds that malate remained in the TCA ***,liver metabolomic analysis showed

关键词： Nonalcoholic fatty liver disease Steatohepatitis Methionine and choline deficient diet Tricarboxylic acid cycle Hemoglobin A1c Stearoyl-CoA desaturase 1

Fertigation for Environmentally Friendly Fertilizers Application: Constraints and Opportunities for Its Application in Developing Countries

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Agricultural Sciences 2017年第4期8卷 292-301页

作者： Michel Kabirigi Shrestha Om Prakash Boejharat Varsha Prescella Crissy Niamwiza serrano Pitti Quintin Israel Anyisile Mwamjengwa Abeykoon Mudiyanselage Jayantha mary Logunu Apula Keji Chenglin Zhang Rwanda Agriculture Board (RAB) Soil and Water Management Program of Research Department Kigali Rwanda Paurakhi Samudayik Krisi Sahakari Santa Ltd. Bahktadur Nepal Anton de Kom University Leysweg Suriname Ministry of Lands Natural Resources and Environmental Protection Forestry Department Mongu Zambia Ministry of Agriculture Panama Agencia Río Sereno Chiriqui Panama Tanzania Bureau of Standards (TBS) Testing and Calibration Department Dar es salaam Tanzania Department of Agriculture Colombo Sri Lanka Ministry of Agriculture Juba South Sudan South China Agricultural University Guangzhou China

There is an increasing concern about agriculture’s role in polluting the environment which makes farmers feel guilty about using fertilizers. Fertigation is proposed as a panacea to this dilemma, which by this practice reaffirms the principles of 4Rs which are the right source, at the right rate, right time and right place. The aim of this study was to explore constraints and opportunities for its application in developing countries for environmentally friendly fertilizers application. It is a review of literature from government reports, legislature and published material on fertilization and irrigation initiatives of developing countries which include Rwanda, Nepal, Suriname, Zambia, Panama, Tanzania, Sri Lanka and South Sudan in addition to the case presented of China during the “2016 Environmentally Friendly Fertilizer Production, Application and Demonstration from Developing Countries” training course. The study found that in developing countries there is potential to apply fertigation as a way of environmentally friendly fertilizers application as it has been adopted in China. These opportunities include the following: Abundant natural resources like land and water, less polluted environment, conducive agricultural policies, zero duties levied on imported irrigation equipment. However, a number of limitations also are highlighted including: Lack of investment, lack of infrastructure, lack of information, requires expertise on plant nutrition and management of fertigation system, require soil analysis and proper interpretation which is done by experts. This study provides relevant information for fertigation planning and application in respective developing countries.

关键词： Fertigation Environmentally Friendly Developing Countries

New perspectives in the management of small cell lung cancer

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

World Journal of Clinical Oncology 2022年第6期13卷 429-447页

作者： Cristina Pangua Jacobo Rogado Gloria serrano-Montero JoséBelda-Sanchís BeatrizÁlvarez Rodríguez Laura Torrado Nuria Rodríguez De Dios Xabier Mielgo-Rubio Juan Carlos Trujillo Felipe Couñago Department of Medical Oncology Hospital Universitario Infanta LeonorMadrid 28031Spain Department of Thoracic Surgery Hospital de la Santa Creu i Sant Pau&Hospital de MarUniversitat Autònoma de BarcelonaBarcelona 08041CataloniaSpain Department of Radiation Oncology Hospital Universitario HM SanchinarroHM HospitalesHM CIOCC Centro Integral Oncológico Clara CampalMadrid 28050Spain Department of Radiation Oncology Hospital Universitario Lucus Augusti&Instituto de Investigación Sanitaria Santiago de Compostela(IDIS)Lugo 27003Spain Department of Radiation Oncology Hospital Del Mar&Hospital Del Mar Medical Research Institute(IMIM)&Pompeu Fabra UniversityBarcelona 08003CataloniaSpain Department of Medical Oncology Alcorcón Foundation University HospitalAlcorcón 28922MadridSpain Department of Thoracic Surgery Hospital de la Santa Creu i Sant PauBarcelona 08029Spain Department of Radiation Oncology Hospital Universitario Quirónsalud MadridHospital La LuzUniversidad Europea de MadridMadrid 28223Spain

The treatment of small cell lung cancer(SCLC)is a challenge for all specialists *** treatments have been added to the therapeutic armamentarium in recent months,but efforts must continue to improve both survival and quality of *** in surgery and radiotherapy have resulted in prolonged survival times and fewer complications,while more careful patient selection has led to increased staging *** in the field of systemic therapy have resulted in changes to clinical guidelines and the management of patients with advanced disease,mainly with the introduction of *** this article,we describe recent improvements in the management of patients with SCLC,review current treatments,and discuss future lines of research.

关键词： Small cell lung cancer Whole-brain radiotherapy Prophylactic cranial irradiation Stereotactic body radiotherapy Immunotherapy Atezolizumab Durvalumab

Postoperative radiotherapy in resected non-small cell lung cancer:The never-ending story

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

World Journal of Clinical Oncology 2021年第10期12卷 833-844页

作者： Javier serrano Patricia Calvo Crespo Begoña Taboada Ana Alvarez Gonzalez Rafael Garcia García Antonio Gomez Caamaño Juan Carlos Trujillo Reyes Xabier Mielgo-Rubio Felipe Couñago Department of Radiation Therapy Clinica Universidad de NavarraMadrid 28027Spain Department of Radiation Oncology Hospital Clínico Universitario Santiago de CompostelaSantiago de Compostela 15706Spain Department of Radiation Oncology HGU Gregorio MarañónMadrid 28007Spain Department of Radiation Oncology Hospital Ruber InternacionalMadrid 28034Spain Department of Radiation Oncology Hospital Clínico Universitario Santiago de CompostelaA Coruña 15706Spain Department of Thoracic Surgery Hospital de La Santa Creu I Sant PauBarcelona 08026Spain Department of Medical Oncology Hospital Universitario Fundación AlcorcónMadrid 28922Spain Department of Radiation Oncology Hospital Universitario Quirónsalud MadridHospital La LuzUniversidad Europea de MadridMadrid 28223Spain

This manuscript collects in a joint and orderly manner the existing evidence at the present time about postoperative treatment with radiotherapy in non-small cell lung *** also systematically reviews the current evidence,the international recommendations in the most relevant guidelines,the most controversial aspects in clinical and pathological staging,the specific technical aspects of radiotherapy treatment,and also collects all the potential risk factors that have been postulated as significant in the prognosis of these patients,evaluating the possibility of segmenting a particularly sensitive subpopulation with a high risk of relapse on which an adjuvant treatment with radiotherapy could have an impact on their clinical ***,currently active trials that aspire to provide more evidence on this topic are reviewed.

关键词： Non-small lung cancer Radiotherapy Postoperative Lung cancer

GOECP/SEOR clinical recommendations for lung cancer radiotherapy during the COVID-19 pandemic

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

World Journal of Clinical Oncology 2020年第8期11卷 510-527页

作者： Felipe Couñago Arturo Navarro-Martin Javier Luna Nuria Rodríguez de Dios Aurora Rodríguez Francesc Casas Rafael García Antonio Gómez-Caamaño Jorge Contreras Javier serrano Department of Radiation Oncology Hospital Universitario Quirónsalud MadridPozuelo de AlarcónMadrid 28223Spain Clinical Department Hospital La LuzMadridFaculty of BiomedicineUniversidad EuropeaMadrid 28223Spain Department of Radiation Oncology Institut Catalád’OncologiaL’Hospitalet de LlobregatBarcelona 08908Spain Department of Radiation Oncology Hospital Fundación Jiménez DíazMadrid 28040Spain Department of Radiation Oncology Hospital del MarBarcelona 08003Spain Department of Radiation Oncology Hospital Ruber InternacionalMadrid 28034Spain Department of Radiation Oncology Thoracic UnitHospital ClínicBarcelona 08036Spain Department of Radiaiton Oncology Hospital Ruber InternacionalMadrid 28034Spain Department of Radiation Oncology Hospital Clínico Universitario Santiago de CompostelaA Coruña 15706Spain Department of Radiation Oncology Hospital Regional Universitario de Málaga29010Spain Department of Radiation Oncology Clínica Universidad de NavarraMadrid 28027Spain

The coronavirus disease 2019 crisis has had a major and highly complex impact on the clinical practice of radiation oncology *** is one of the countries hardest hit by the virus,with devastating *** is an urgent need to share experiences and offer guidance on decision-making with regard to the indications and standards for radiation therapy in the treatment of lung *** the present article,the Oncological Group for the Study of Lung Cancer of the Spanish Society of Radiation Oncology reviews the literature and establishes a series of consensus-based recommendations for the treatment of patients with lung cancer in different clinical scenarios during the present pandemic.

关键词： Lung cancer COVID-19 Pandemic Radiotherapy Recommendations

Comparative study of breast cancer in Mexican and Mexican-American women

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Health 2010年第9期2卷 1040-1048页

作者： Maria Elena Martinez Luis Enrique Gutierrez-Millan Melissa Bondy Adrian Daneri-Navarro Maria Mercedes Meza-Montenegro Ivan Anduro-Corona Ma Isabel Aramburo-Rubio luz Maria Adriana Balderas-Pena Jose Adelfo Barragan-Ruiz Abenaa Brewster Graciela Caire-Juvera Juan Manuel Castro-Cervantes Mario Alberto Chavez Zamudio Giovanna Cruz Alicia Del Toro-Arreola mary EEdgerton Maria Rosa Flores-Marquez Ramon Antonio Franco-Topete Helga Garcia Susan Andrea Gutierrez-Rubio Karin Hahn luz Margarita Jimenez-Perez Ian KKomenaka Zoila Areli Lopez Bujanda Dihui Lu Gilberto Morgan-Villela James LMurray Jesse NNodora Antonio Oceguera-Villanueva Miguel Angel Ortiz Martinez Laura Perez Michel Antonio Quintero-Ramos Aysegul Sahin Jeong Yun Shim Maureen Stewart Gonzalo Vazquez-Camacho Betsy Wertheim Rachel Zenuk Patricia Thompson Arizona Cancer Center and Mel and Enid Zuckerman College of Public Health University of ArizonaTucsonUSA Departamento de Investigaciones Cientificas y Tecnologicas Universidad de SonoraHermosilloMexico University of Texas M.D.Anderson Cancer Center HoustonUSA Departamento de Fisiologia Centro Universitario de Ciencias de la SaludUniversidad de GuadalajaraGuadalajaraMexico Instituto Tecnologico de Sonora Ciudad ObregónMexico Instituto Mexicano del Seguro Social HermosilloMexico Instituto Mexicano del Seguro Social CMNOGuadalajaraJalisco Centro de Investigacion en Alimentacion y Desarrollo HermosilloMexico Instituto Mexicano del Seguro Social Ciudad ObregonMexico OPD Hospital Civil de Guadalajara GuadalajaraMexico Departamento de Salud Publica Centro Universitario de Ciencias de la SaludUniversidad de GuadalajaraGuadalajaraMexico Maricopa Medical Center Department of SurgeryPhoenixUSA University of North Carolina Lineberger Cancer CenterChapel HillUSA Arizona Cancer Center and Department of Family and Community Medicine University of ArizonaTucsonUSA Instituto Jalisciense de Cancerologia GuadalajaraMexico

Breast cancer is the number one cause of can- cer deaths among Hispanic women in the United States, and in Mexico, it recently became the primary cause of cancer deaths. This malign- nancy represents a poorly understood and un- derstudied disease in Hispanic women. The ELLA Binational Breast Cancer Study was es- tablished in 2006 as a multi-center study to as- sess patterns of breast tumor markers, clinical characteristics, and their risk factors in women of Mexican descent. We describe the design and implementation of the ELLA Study and provide a risk factor comparison between women in the U.S. and those in Mexico based on a sample of 765 patients (364 in the U.S. and 401 in Mexico). Compared to women in Mexico, U.S. women had significantly (p < 0.05) lower parity (3.2 vs. 3.9 mean live births) and breastfeeding rates (57.5% vs. 80.5%), higher use of oral contraceptives (60.7% vs. 50.1%) and hormone replacement therapy (23.3% vs. 7.6%), and higher family history of breast cancer (15.7% vs. 9.0%). Re- sults show that differences in breast cancer risk factor patterns exist between Mexico and U.S. women. We provide lessons learned from the conduct of our study. Binational studies are an important step in understanding disease pat- terns and etiology for women in both countries.

关键词： Binational Study Breast Cancer Hispanics Mexico United States