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Development and application of a nitrogen oxides analyzer based on the cavity attenuated phase shift technique 认领 引用 被引量:2
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作者 Jun Zhou Wenjie Wang +5 位作者 Yanfeng Wu Chunsheng Zhang Aiming Liu Yixin Hao Xiao-Bing Li Min Shao 《Journal of Environmental Sciences》 SCIE EI CAS CSCD 2025年第4期692-703,共12页
Nitrogen oxides(NOx)are crucial in tropospheric photochemical ozone(O3)production and oxidation capacity.Currently,the widely used NOxmeasurement technique is chemiluminescence(CL)(CL-NOx),which tends to o... Nitrogen oxides(NOx)are crucial in tropospheric photochemical ozone(O3)production and oxidation capacity.Currently,the widely used NOxmeasurement technique is chemiluminescence(CL)(CL-NOx),which tends to overestimate NO2due to atmospheric oxidation products of NOx(i.e.,NOz).We developed and characterized a NOxmeasurement system using the cavity attenuated phase shift(CAPS)technique(CAPS-NOx),which is free from interferences with nitrogen-containing species.The NOxmeasured by the CAPS-NOxand CL-NOxanalyzers were compared.Results show that both analyzers showed consistent measurement results for NO,but the NO2measured by the CAPS-NOxanalyzer(NO2_CAPS)was mostly lower than that measured by the CL-NOxanalyzer(NO2_CL),which led to the deviations in O3formation sensitivity regime and Ox(=O3+NO2)sources(i.e.,regional background and photochemically produced Ox)determined by the ozone production efficiencies(OPE)calculated from NO2_CL and NO2_CAPS.Overall,OPE_CL exceeded OPE_CAPS by 18.9%,which shifted 3 out of 13 observation days from the VOCs-limited to the transition regime when judging using OPE_CL,as compared to calculations using OPE_CAPS.During the observation period,days dominated by regional background Oxaccounted for 46%and 62%when determined using NO2_CL and NO2_CAPS,respectively.These findings suggest that the use of the CL-NOxanalyzer tends to underestimate both the VOCs-limited regime and the regional background Oxdominated days.The newly built CAPS-NOxanalyzer here can promote the accurate measurement of NO2,which is meaningful for diagnosing O3formation regimes and Oxsources. 展开更多
关键词 Nitrogen oxides measurement Cavity attenuated phase shift (CAPS)technique Instrument development O3formation regime Oxsource
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Integrated ecological restoration techniques system for waste dumps of typical open-pit coal mine in alpine grassland:A case study of a six-year restoration project in Huolinhe South open-pit mine 认领 引用 被引量:2
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作者 Yu Zhao Chunli Zhao +4 位作者 Lifu Zheng Yujia He Qianqian Sang Zetong Wang Yongjie Liu 《Ecological Frontiers》 CSCD 2025年第3期678-688,共11页
The alpine grasslands of Eastern Inner Mongolia,located in a typical ecologically fragile zone within the“Northern sand prevention belts,”serve as both a crucial open-pit mineral energy base in China and a site of s... The alpine grasslands of Eastern Inner Mongolia,located in a typical ecologically fragile zone within the“Northern sand prevention belts,”serve as both a crucial open-pit mineral energy base in China and a site of significant ecological challenges.Open-pit mining supports the nation's energy needs but poses threats to local environmental security.Integrated ecological restoration,as opposed to traditional single-target strategies that exhibit limited effectiveness,emerges as a viable solution to address environmental issues in open-pit mines and waste dump areas,while ensuring the sustainability of the surrounding alpine grassland ecosystem.Given the unique characteristics of the alpine grassland and the limited access to advanced,integrated restoration concepts,our study has concentrated on the ecological rehabilitation of the Huolinhe South open-pit mine in Eastern Inner Mongolia through an in-depth developed ecological restoration technology system.This system,which includes landform reshaping,soil and water conservation,soil enhancement,vegetation restoration,and monitoring of restoration effects,was applied,and its impacts on soil erosion control,vegetation coverage,and water conservation capacity of the ecological project area and impact area were tracked and evaluated between 2017 and 2023.The quantitative assessments demonstrate significant reductions in soil erosion,increases in vegetation coverage and enhancements in the water conservation capacity.The contribution rate from the ecological project area to the impact area was 36.39%,32.87%,and 27.36%,respectively,attributable to ecological restoration efforts.These results underscore that integrated ecological restoration improves environmental conditions and fosters sustainable,high-quality regional development.The study aims to offer a localized,systematic,and scalable ecological restoration approach for typical open-pit mines and waste dump areas in alpine grasslands. 展开更多
关键词 Open-pit coal mine dump Ecological restoration techniques Effectiveness evaluation Green and high-quality regional development The alpine grassland of eastern Inner Mongolia
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Development of welding technique in architectural and construction industry in China 认领 引用
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作者 ZHOU Wenying and ZHANG Youquan 《China Welding》 EI CAS 1994年第2期115-122,共8页
This paper presents the achievements in welding technique for the large industrial buildings and structures in China, including the welding of furnaces,kilns,pots,tanks and pipes, the welding of steel construction of ... This paper presents the achievements in welding technique for the large industrial buildings and structures in China, including the welding of furnaces,kilns,pots,tanks and pipes, the welding of steel construction of industrial building,high-storied building, gymnasium and steel construction of highway bridge. It mainly cites the new efficient and high-quality processes, equipments and materials used in fabricating typical up-to-date construction projects. The paper discusses the prospects for the technical development in welding materials, process and equipments as per usual requirements of architectural and construction industries. 展开更多
关键词 Development welding technique and construction architectural industry China
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Development of Techniques for Animal Feed from Corn and Their By-Products 认领 引用
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作者 Qi Hongwei Yan Xiaogang +1 位作者 Yu Wei Masahiro Amari 《Animal Husbandry and Feed Science》 CAS 2016年第6期353-357,360,共5页
Research results concerned ( 1 ) quantification of pH value and contents of ammonia nitrogen, volatile fatty acids (VFAs), and lactic acid, which were indicators of fermentative quality of corn stover silage and o... Research results concerned ( 1 ) quantification of pH value and contents of ammonia nitrogen, volatile fatty acids (VFAs), and lactic acid, which were indicators of fermentative quality of corn stover silage and other crop by-product silages ; (2) introduction of methods for analyses of fiber content in feeds such as detergent and enzymatic analyses; (3) determination of digestive characteristics in the tureen by artificial digestion trials ( in vitro and in situ ) ; ( 4 ) evaluation of meat productivity and quality by feeding corn stover silage to beef cattle in feeding experiments and; (5) preparation of feed composition and feeding standards for animals in Jilin Province. These results and methods substantially contributed to stabilization of feed supply as well as an increase in the efficiency of meat production, resulting in sustainable development of livestock management in China. 展开更多
关键词 Corn Maize by-products Silage Techniques Development
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Research on Techniques for Rolling Exploration and Development and Application to Dongying Oilfield 认领 引用
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作者 Du Xiangyue and Sun Longde 《China Oil & Gas》 CAS 1995年第1期35-39,共5页
ResearchonTechniquesforRollingExplorationandDevelopmentandApplicationtoDongyingOilfieldDuXiangyueandSunLongdeKeywords:Oilfiel...
关键词 Oil field Rolling exploration and development Technique Reserve
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'96 International Symposium on Well Logging Techniques for Oilfield Development under Waterflooding 认领 引用
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作者 Rosa 《China Oil & Gas》 CAS 1995年第2期35-35,共1页
'96InternationalSymposiumonWellLoggingTechniquesforOilfieldDevelopmentunderWaterflooding¥RosaThe'96InternationalSymposiumonWe...
关键词 Techniques Oilfield Symposium Development
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Nuclear Techniques for Sustastainable Development Goals--Pakistan's Perspctive 认领 引用
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作者 Syed Javaid Khurshid 《Management Studies》 2018年第3期225-233,共9页
The safety,security,and development of a country depend on National Power Elements or factors classified by political scientists on geographical sources.These factors are the capability and capacity of a country to ac... The safety,security,and development of a country depend on National Power Elements or factors classified by political scientists on geographical sources.These factors are the capability and capacity of a country to achieve its development aims and objectives such as population and poverty,enough electricity,climate change,availability of water,food production,adequate health facilities,and industrial capacity.The national power elements are interdependent and same of every developed and developing nation,except one or two elements depending on geographical location and population of that country.To strengthen these capability and capacity factors,in 2000 United Nation introduced eight millennium development goals mainly emphasizing on reduction of poverty level up to 50%by 2015.Pakistan was able to work on only three of the indicators out of 169 but was unable to achieve any significant progress.On ending of 15 years'time UN again in 2015 introduced more universal and executable 17 sustainable development goals to be accomplished by 2030.Science was recognized as one of the tools to achieve these SDGs.Scientific and industrial development along with technology are an effective source of economic development.Technology as an application of science for the welfare of human being and technological capacity for development of economic infrastructure development is the most powerful national power element.Technology such as Nuclear Technology is one of the best,which is an accurate and advanced and can be adopted to achieve these goals.Article will discuss Nuclear Technology application on SDGs on which Pakistan is already working since 1956 and has an expertise and trained manpower for achieving nine out of these 17 sustainable goals by applying Nuclear Technology. 展开更多
关键词 development goals nuclear Pakistan sustainable techniques Introduction
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Development of Acidizing Techniques for Low-permeability Carbonate Reservoirs 认领 引用
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作者 Liu Tongbin 《China Oil & Gas》 CAS 1996年第4期208-209,共2页
DevelopmentofAcidizingTechniquesforLow-permeabilityCarbonateReservoirsLiuTongbin(SeniorEngineer,SichuanPetroleumAdministratio...
关键词 Carbonate rock Low permeability reservoir Acidizing Technique Development
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Achieving Consensus on Continuing Professional Development Priorities for Registered Nurses in Rural and Remote India through Nominal Group Technique 认领 引用
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作者 Annetta Smith Leah Macaden +3 位作者 Maryann Washington Prem K. Mony Vinay John Fr Santosh Dias 《Open Journal of Nursing》 2018年第11期848-859,共12页
Background: Nurses can often be key frontline healthcare professionals working in remote and rural settings due to resource constraints including an acute shortage of medical practitioners. The provision of regular an... Background: Nurses can often be key frontline healthcare professionals working in remote and rural settings due to resource constraints including an acute shortage of medical practitioners. The provision of regular and appropriate Continuing Professional Development (CPD) to support nurses to be able to provide effective health care therefore becomes even more significant in these settings. Engagement and “buy in” from relevant stakeholders at an organisational level is a critical step to ensure CPD provision for nurses. Objectives: The overall aim was to achieve consensus on CPD for registered nurses working in remote and rural settings among key stakeholders using the Nominal Group Technique (NGT). The objectives were to identify stakeholders’ perspectives on the priorities for CPD training for registered nurses;the preferred modes of delivery for CPD and perceived barriers and facilitators for CPD access. Methods: NGT was used as a qualitative method with key organisational stakeholders in several iterative stages in the form of a workshop. Results: 22 senior healthcare professionals involved in medical and nursing education representing north, northeast, central India and the state of Karnataka in South India participated in the workshop. Three key findings emerged from this study: priorities of CPD;preferred modes of CPD delivery;barriers and facilitators to CPD access. Conclusion: Engagement with key stakeholders to identify CPD priorities can help facilitate strategic planning and provision of relevant and accessible CPD programmes for nurses working within remote and rural health care contexts in India. 展开更多
关键词 Continuing Professional Development Nurses India Remote and Rural Nominal Group Technique
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Development and Actuality of Life Cycle Cost Technique in China 认领 引用
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作者 GENG Jun-bao JIN Jia-shan LUO Yun WU Yi-liang 《International Journal of Plant Engineering and Management》 2012年第2期95-103,共9页
Life cycle cost technique is a powerful tool to make a scientific decision and a useful method of advancing the continuable development of the society. In this paper, development course, application actuality and up-t... Life cycle cost technique is a powerful tool to make a scientific decision and a useful method of advancing the continuable development of the society. In this paper, development course, application actuality and up-to-date research trends of life cycle cost technique in China are summarized. Some suggestions are given on how to general- ize the application of life cycle cost technique which are used as the reference to study life cycle cost technique. 展开更多
关键词 life cycle cost technique development course application actuality up-to-date research trends
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Research on the New Mobile Development Paradigm based on HTML5 and Database Storage Optimization Techniques 认领 引用
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作者 Ping Li 《International Journal of Technology Management》 2016年第4期57-60,共4页
In this paper, we conduct research on the new mobile development paradigm based on the HTML5 and core database storage optimization techniques. With the development of mobile Internet technology and the popularity of ... In this paper, we conduct research on the new mobile development paradigm based on the HTML5 and core database storage optimization techniques. With the development of mobile Internet technology and the popularity of smart mobile devices, mobile Internet is becoming more and more obvious in the importance of life, mobile application development is also becoming more and more important. The current mainstream development include the mode of traditional native application development, Web application development based on it, and based on the mixed mode of third-party framework development. The practice of software engineering, points out that productivity of the software breakthrough is the introduction of basic software reuse. Object-oriented framework is an important research content in modern software engineering. Under this basis, we propose the related optimization countermeasures for systematic modifi cation that is meaningful. 展开更多
关键词 HTML5 Database Storage Optimization Mobile Development Paradigm Techniques
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Research on the UI and UE Design Techniques and the Status in HTML5 Website Development 认领 引用
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作者 Li Wang 《International Journal of Technology Management》 2016年第1期79-81,共3页
In this paper, we conduct research on the UI and UE design techniques and the status in the HTML5 website development. With the continuous development of science and technology, the user demand for computer software d... In this paper, we conduct research on the UI and UE design techniques and the status in the HTML5 website development. With the continuous development of science and technology, the user demand for computer software design level enhances unceasingly, the software development workers must deep going research analysis of the target group, to truly understand the user groups like what kind of software, need what kind of software. It is human' s behavior and cognition of the operational system affect design, management and improvement of related attributes, and studies the properties and the operation system and the process of interaction. Under this historical period of the time, we propose the novel perspective of the issues that is meaningful. 展开更多
关键词 UI and UE Design Techniques Status HTML5 Website Development.
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From bulb development to postharvest treatments:advances in Hippeastrum spp.research and industry applications 认领 引用
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作者 Lingmei Shao Liuyan Yang +3 位作者 Xin Li Lin Zhou Jiao Zhu Yongchun Zhang 《Ornamental Plant Research》 2025年第1期193-202,共10页
Hippeastrum spp.,renowned as highly sought-after perennial bulbous flowers,have gained increasing popularity in landscape gardening and festive markets due to their unique ornamental value.However,the high cost of bul... Hippeastrum spp.,renowned as highly sought-after perennial bulbous flowers,have gained increasing popularity in landscape gardening and festive markets due to their unique ornamental value.However,the high cost of bulbs and the lack of advanced techniques for regulating bulb development pose significant challenges to their industrialization.This review synthesizes recent progress in the study of Hippeastrum bulb morphology,developmental regulatory mechanisms,and postharvest treatments.It highlights the effects of factors such as light,temperature,nutrients,and phytohormones on bulb growth while also summarizing cultivation techniques and strategies for regulating bulb development.Based on current research,regulating bulb development emerges as a pivotal approach for improving bulb quality,reducing production costs,and enhancing both ornamental and medicinal potential.This review aims to provide a theoretical foundation for advancing the understanding of Hippeastrum bulb development and promoting its industrial-scale production,thereby fostering further research in this field. 展开更多
关键词 bulb development hippeastrum spp regulatory mechanisms medicinal potential ornamental value landscape gardening postharvest treatments cultivation techniques
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Research on the Development and Application of Measuring Technique in Water Resources and Hydropower Engineering 认领 引用
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作者 GUO Xing TIAN Shuangshuo 《外文科技期刊数据库(文摘版)工程技术》 2020年第3期050-052,共3页
With the development of science and technology in China, the measuring technique in water resources and hydropower engineering is also developing constantly. Measuring technique in water resources and hydropower engin... With the development of science and technology in China, the measuring technique in water resources and hydropower engineering is also developing constantly. Measuring technique in water resources and hydropower engineering is an important link in water conservancy and hydropower projects, which can improve the survey efficiency of water conservancy and hydropower projects and promote the rapid development of China's water conservancy and hydropower projects. This paper will analyze the current situation of measuring technique development of water conservancy and hydropower projects and explore how to improve the measuring efficiency of water conservancy and hydropower projects. 展开更多
关键词 water resources and hydropower engineering measuring technique development status application res
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Challenges in retrohepatic inferior vena cava reconstruction:The neocava technique 认领 引用
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作者 Maximilien Roumain Maxime Foguenne +4 位作者 Lancelot Marique Olga Ciccarelli Eliano Bonaccorsi-Riani Thomas Bidoul Laurent Coubeau 《Hepatobiliary & Pancreatic Diseases International》 SCIE CAS CSCD 2025年第4期444-447,共4页
The development of innovative surgical techniques has been a constant and fundamental aspect in liver transplantation(LT)to address chronic organ shortage.Domino liver transplantation(DLT),initially performed by Furta... The development of innovative surgical techniques has been a constant and fundamental aspect in liver transplantation(LT)to address chronic organ shortage.Domino liver transplantation(DLT),initially performed by Furtado et al.in Lisbon in 1995,is an innovative technique in which a liver from a patient with a metabolic disorder is transplanted into a recipient with end-stage liver disease[1]. 展开更多
关键词 retrohepatic inferior vena cava reconstruction neocava technique liver transplantation metabolic disorder development innovative surgical techniques domino liver transplantation liver transplantation lt liver transplantation dlt initially
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Modeling Highway Traffic Safety for Developing Countries Using Delphi Technique and Bayesian Network: Case Study for Nigeria 认领 引用 被引量:1
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作者 Anthony C.Mbakwe AnthonyA.Saka +1 位作者 KeechooChoi Young-Jae Lee 《Journal of Civil Engineering and Architecture》 2018年第7期527-542,共16页
Highway traffic safety is an issue confronting developing countries and those of industrialized nations. Nigeria, as a developing country, has been experiencing unusually high traffic related injury and fatality rates... Highway traffic safety is an issue confronting developing countries and those of industrialized nations. Nigeria, as a developing country, has been experiencing unusually high traffic related injury and fatality rates. In order to commence combating highway safety problems in Nigeria, the first task is to identify the major contributing factors; however, Nigeria has no reliable and comprehensive database of traffic accidents and casualties. Consequently, the Delphi technique was utilized in generating the required data such as number of registered automobiles, number of licensed drivers, and annual fatality count for modeling and forecasting accident rates in Nigeria. A Bayesian network model was developed and used, with the data obtained from Delphi process, to demonstrate possible traffic safety responses to different scenarios of changes in the Nigerian socio-political culture. Although the Delphi technique and the Bayesian network model only estimate the accident and safety data, those methods can be a realistic option when those data are not available, especially for the developing countries. As a result, the major accident contributors have been identified and the top three contributors-road condition, DUI (driving under the influence) and reckless driving-are policy related. The Nigerian traffic safety outlook would improve significantly if the existing laws and policies can be enforced, even at a very moderate level. 展开更多
关键词 Highway safety Delphi technique Bayesian network developing countries Nigeria.
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POWERCHINA-1:Pioneering a new paradigm for global major project safety monitoring with self-developed X-band SAR satellite 认领 引用
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作者 Shishu Zhang Shihan Shan 《Journal of Rock Mechanics and Geotechnical Engineering》 SCIE CSCD 2026年第4期3329-3331,共3页
In the face of the challenges posed by intensifying climate change and aging global infrastructure,achieving all-weather,high-precision,full-coverage safety monitoring for major projects in harsh and complex geologica... In the face of the challenges posed by intensifying climate change and aging global infrastructure,achieving all-weather,high-precision,full-coverage safety monitoring for major projects in harsh and complex geological regions has become a global challenge.Conventional monitoring techniques suffer from blind spots,high costs,and poor continuity,particularly in remote mountainous areas. 展开更多
关键词 global major project safety monitoring monitoring techniques self developed x band sar satellite full coverage safety monitoring high precision all weather aging global infrastructure climate change
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Linking Competitors’ Knowledge and Developing Innovative Products Using Data Mining Techniques 认领 引用
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作者 Nasimalsadat Saesi Mohammad Taleghani 《Journal of Computer and Communications》 2023年第7期37-57,共21页
In this article, the relationship between the knowledge of competitors and the development of new products in the field of capital medical equipment has been investigated. In order to identify the criteria for measuri... In this article, the relationship between the knowledge of competitors and the development of new products in the field of capital medical equipment has been investigated. In order to identify the criteria for measuring competitors’ knowledge and developing new capital medical equipment products, marketing experts were interviewed and then a researcher-made questionnaire was compiled and distributed among the statistical sample of the research. Also, in order to achieve the goals of the research, a questionnaire among 100 members of the statistical community was selected, distributed and collected. To analyze the gathered data, the structural equation modeling (SEM) method was used in the SMART PLS 2 software to estimate the model and then the K-MEAN approach was used to cluster the capital medical equipment market based on the knowledge of actual and potential competitors. The results have shown that the knowledge of potential and actual competitors has a positive and significant effect on the development of new products in the capital medical equipment market. From the point of view of the knowledge of actual competitors, the market of “MRI”, “Ultrasound” and “SPECT” is grouped in the low knowledge cluster;“Pet MRI”, “CT Scan”, “Mammography”, “Radiography, Fluoroscopy and CRM”, “Pet CT”, “SPECT CT” and “Gamma Camera” markets are clustered in the medium knowledge. Finally, “Angiography” and “CBCT” markets are located in the knowledge cluster. From the perspective of knowledge of potential competitors, the market of “angiography”, “mammography”, “SPECT” and “SPECT CT” in the low knowledge cluster, “CT scan”, “radiography, fluoroscopy and CRM”, “pet CT”, “CBCT” markets in the medium knowledge cluster and “MRI”, “pet MRI”, “ultrasound” and “gamma camera” markets in the high knowledge cluster are located. 展开更多
关键词 Knowledge of Competitors Development of Products Innovative Products Data Mining Data Mining Techniques Medical Capital Goods Medical Capital Goods Market
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Effective EOR Technique Developed in Henan Oilfield 认领 引用
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作者 Xu Xiaobin 《China Oil & Gas》 CAS 1996年第3期136-136,共1页
EffectiveEORTechniqueDevelopedinHenanOilfieldXuXiaobinChinahasmadesomeprogressinoilrecoverybyphysicalmethod.Introducingtechno...
关键词 EOR Effective EOR Technique Developed in Henan Oilfield
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Management of Helicobacter pylori infection in Latin America: A Delphi technique-based consensus 认领 引用 被引量:3
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作者 Antonio Rollan Juan Pablo Arab +16 位作者 M Constanza Camargo Roberto Candia Paul Harris Catterina Ferreccio Charles S Rabkin Juan Cristóbal Gana Pablo Cortés Rolando Herrero Luisa Durán Apolinaria García Claudio Toledo Alberto Espino Nicole Lustig Alberto Sarfatis Catalina Figueroa Javier Torres Arnoldo Riquelme 《World Journal of Gastroenterology》 SCIE CAS 2014年第31期10969-10983,共15页
AIM: To optimize diagnosis and treatment guidelines for this geographic region, a panel of gastroenterologists, epidemiologists, and basic scientists carried out a structured evaluation of available literature.
关键词 Helicobacter pylori Consensus development conference Delphi technique Latin America
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