检索结果-南通市图书馆

A universal theory of measure and integral on valuation spaces with respect to diverse implication operators

在线全文

学校读者我要写书评

暂无评论

Science China(Technological Sciences) 2000年第6期43卷 586-594页

作者：王国俊 Institute of Mathematics Shaanxi Normal University Xi'an 710062 China

Valuation spaces with respect to diverse implication operators are investigated in a unified way where the Lebesgue measure is a commonly used measure, and it is proved that all the logic formulas are measurable functions with respect to popularly used implication operations. The concept of t-(α-tautology) is introduced and rules of generalized modus ponens (MP) and hypothetic syllogism (HS) are established in the sense of semantics. The concept of truth degree of a logic formula is introduced and rules of integral MP and integral HS are proposed. Finally, a kind of pseudo-metric is introduced to the set consisting of all logic formulas by establishing a universal logical metric space, making it possible to develop a new type of approximate reasoning arise.

关键词： implication operator valuation space Lebesgue measure and integral t(α-tautology) truth de-gree universal logical metric space approximate reasoning.

Filters and structure of lattice implication algebra

在线全文

学校读者我要写书评

暂无评论

Chinese Science Bulletin 1997年第18期42卷 1517-1520页

作者： Liu, J Xu, Y Department of Applied Mathematics Southwest Jiaotong University Chengdu China

IN order to research the logical system whose propositional value is given in a lattice from

关键词： lattice implication algebra filter generated filter.

Global progress in climate change adaptation policies and its implication for China

在线全文

学校读者我要写书评

暂无评论

Chinese Journal of Population,Resources and Environment 2015年第1期13卷 21-31页

作者： Fu Sun Xiaojia He Paul Rummy Kevin Lauzon Division of Environmental System Analysis School of EnvironmentTsinghua University Division of Global Environment The Administrative Center for China's Agenda 21

This paper reviews the progress in climate change adaptation(CCA) policies both under the United Nations Framework Convention on Climate Change(UNFCCC) and in major regions and countries,including the EU and its major member countries,the influential developed countries in the Asia-Pacific region,the emerging economies and the least developed countries(LDCs).The progress made in China in CCA policies is also reviewed and compared with that in other ***,good international practices are proposed for China's policy *** is found that adaptation has been given the same priority as mitigation since the twenty-first century with regard to climate change-related *** topics related to adaptation in the international climate change negotiations under the UNFCCC have evolved from mechanisms for finance and technology development and transfer exclusively in the early stages to implementation of practical adaptation programs and *** 2006,major developed and developing countries have frequently set forward specific CCA policies or general climate change policies involving adaptation in the form of laws,frameworks,strategies,and *** LDCs have also been working on National Adaptation Programmes of Action and subsequent National Adaptation Plans with the support from the financial mechanisms under the ***,globally,it has become a common practice to develop national or regional policies to plan and guide CCA *** has established climate change policies involving adaptation at the national,regional,and sectorial levels since ***,these policies have strong limitations in their knowledge base,strategic positioning,contents,and implementation mechanisms,*** of a sound knowledge base,an international perspective,clear responsibilities for policy implementation,and appropriate monitoring and evaluation *** is recommended that China should further strengthen its technical capabilities in climate c

关键词： climate change adaptation policy review China implication

Comparison of detrital mineral compositions between stream sediments of the Yangtze River (Changjiang) and the Yellow River (Huanghe) and their provenance implication

在线全文

学校读者我要写书评

暂无评论

China Geology 2019年第2期2卷 169-178页

作者： Zhong-bo Wang Ri-hui Li Shou-ye Yang Feng-long Bai Xi Mei Jian Zhang Kai Lu Qingdao Institute of Marine Geology China Geological SurveyMinisitry of Natural ResourcesQingdao 266071China Laboratory for Marine Mineral Resources Qingdao National Laboratory for Marine Science and TechnologyQingdao 266071China State Key Laboratory of Marine Geology Tongji UniversityShanghai 200092China

A comparative comparative study on the detrital mineral composition of stream sediments of the Yangtze River (Changjiang) and Yellow River (Huanghe) shows that, light minerals of the Yangtze River basin were mainly quartz, feldspar, and detritus, the compositional characteristics of light minerals differed among tributaries, the main stream had a generally higher maturity index than tributaries;heavy mineral content tended to decrease progressively from the upper stream to lower stream of the Yangtze River, the primary assemblage was magnetite-hornblende-augite-garnet-epidote, and diagnostic minerals of different river basins were capable of indicating the nature and distribution of the source rock. Detrital mineral assemblages in sediments of tributaries and the main stream of the Yellow River were basically similar, Primary heavy mineral assemblage was opaque mineral-garnet-epidote-carbonate mineral and alteration mineral. Variations in the contents of garnet, opaque mineral, and hornblende mainly reflected the degree of sedimentary differentiation in suspended sediment and the hydrodynamic intensity of a drainage system. The heavy mineral differentiation index F revealed sedimentary differentiation of diagnostic detrital mineral composition due to changes in regional hydrodynamic intensity and can serve as an indicator for studying the dynamic sedimentary environment of a single-provenance river and the degree of sedimentary differentiation of its detrital minerals. Changes in detrital mineral content of the Yellow River was not completely controlled by provenance but reflected gravity sorting of the detrital mineral due to variations in the ephemeral river hydrodynamic intensity and sedimentary environment, however the index changing of Yangtze River were mainly influenced by the complex sediment sources. Therefore caution must be exercised in using the detrital mineral composition of marginal sea to determine the contribution of the Yangtze River and Yellow Riv

关键词： Yangtze River Yellow River Sediment Detrital mineral Provenance implication

DISCOVERY AND THE implication OF A HYDROTHERMAL-METASOMATIC SKARN DEPOSIT IN GANGDISE TECTONIC ZONE,TIBET

在线全文

学校读者我要写书评

暂无评论

地学前缘 2000年第S1期7卷 143-144页

作者： Yao Peng 1,Li Jingao 2[WT5,5”BX](1 Chengdu Institute of Geology and Mineral Resources,Chengdu 610082,China 2 BGMR,Tibet,China)

Hydrothermal activity from a hydrothermal circulatory system is a special geological event, it is of importance to the formation of some massive sulfide deposits (hydrothermal deposits). The Authors think that Jiama polymetallic ore deposit in Gangdise tectonic zone, Tibet is a special skarn deposit i.e. a “hydrothermal\|metasomatic skarn deposit" bound up with benthonic hydrothermal circulatory system. Its important characteristics are as follows: 1 Evolution of the Gangdise island arc in studied area may be divided into three stages Middle Jurassic volcanic arc stage; Middle—Late Jurassic and Early Cretaceous inter arc sedimentary basin stage; and Eogene magmatic arc stage. The deposit is confined to the inter arc sedimentary basin. Existing data indicate that the volcanic arc provided Jiama deposit with abundant ore\|forming material; the inter arc sedimentary basin provided Jiama deposit with absolutely necessary space; the magmatic arc created reconcentration condition for the Jiama deposit.

关键词： skarn deposit hydrothermal circulatory system discovery implication

Metabolism regulation of TD26 in hepatocellular carcinoma: mechanistic links and potential clinical implication

在线全文

学校读者我要写书评

暂无评论

Cancer Biology & Medicine 2018年第S1期15卷 15-16页

作者： Chenchen Wang Jie Cai Hailong Wu Xiaoni Kong Qiang Xia Department of Liver Surgery Renji HospitalSchool of MedicineShanghai Jiao Tong UniversityShanghaiChina Collaborative Research Center Shanghai University of Medicine and Health SciencesShanghaiChina

Objective:Hepatocellular carcinoma(HCC)is a leading cause of cancer-related deaths worldwide,and HCC cells metabolically distinct from normal *** lipogenesis has been reported to play a critical role in HCC *** study ... 详细信息

关键词： Metabolism regulation implication

implication of Chinglish Phenomenon in Teaching

在线全文

学校读者我要写书评

暂无评论

海外英语 2012年第9X期 61-64页

作者： DONG Li-na,ZHANG Zhi-hua (School of Foreign Languages and Cultures,Xihua University,Chengdu 610039,China)

So when English is learned and spoken in China,one special phenomenon—Chinglish comes to *** is only the stage which must be passed by China *** as Yan Zhiqiang(2002:229) pointed out:" if Chinese do not go to study or use English,then there is no Chinglish or China English." Although Chinglish as " deformed English" runs counter to standard English in some way,it is a process of closing to the target language from the point of second language acquisition,belonging to the interlanguage and it is inevitable and normal for *** can say that Chinglish is developing,progressive and indispensable interlanguage in language acquisition *** sometimes confuse China English and *** author regards the definition proposed by domestic English predecessor *** Chuangui as the criterion in the *** pointed out:" With standard English as the core,China English is not interfered by the mother tongue to descript specific Chinese society and *** can be words,sentences or texts with Chinese characteristic by various means such as transliteration,borrowing translation or semantic regeneration to enter the ***,it is referred that Chinglish is the deformed English in English communication interfered by mother tongue when it is used by Chinese English learners who misuse Chinese rules and habits." (李文中,1993) While most people hold passive attitudes to Chinglish,the thesis provides us with a new insight—Chinglish' s reasonable aspects and its *** is not a problem but phenomenon,which can sometimes cause troubles in *** we can not be on the total negation to *** is helpful to learn English effective for learners that we recognize its rationality and progress and properly distinguish,treat and correct such " deformed English" .Only with the correct understanding of the world can we well transform the world and only knowing the problems correctly can we solve them properly.

关键词： Chinglish implication teaching

Stateful implication logic based on perpendicular magnetic tunnel junctions

在线全文

学校读者我要写书评

暂无评论

Science China(Information Sciences) 2022年第2期65卷 197-203页

作者： Wenlong CAI Mengxing WANG Kaihua CAO Huaiwen YANG Shouzhong PENG Huisong LI Weisheng ZHAO Fert Beijing Institute MIIT Key Laboratory of Spintronics School of Integrated Circuit Science and EngineeringBeihang University Beihang-Goertek Joint Microelectronics Institute Qingdao Research Institute Beihang University

As the conventional von Neumann architecture meets critical limitations of data transfer bandwidth and energy consumption, perpendicular magnetic anisotropy magnetic tunnel junction based processing-in-memory paradigm attracts extensive attention as a promising substitute thanks to its nonvolatility, low-power switching, fast access and infinite endurance. In this work, we propose and experimentally demonstrate a new spintronic implication logic gate that consists of two parallel perpendicular magnetic anisotropy magnetic tunnel junctions with different diameters. Material implication and furthermore NAND logic functions are implemented by all electrically-controlled operations. The reliability of this structure is verified, especially in sub-20 nm node, which shows great potential for large-density processing-in-memory applications.

关键词： perpendicular magnetic anisotropy magnetic tunnel junction implication spin transfer torque spintronic implication logic gate processing-in-memory

A　Lithospheric　Boundary　between　Eurasia　and　Gondwanaland　in　Eastern　Tethyan　Orogen：　implication　from　Geochemistry　of　Continental　Basalts　in　Southwestern　China

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

Continental Dynamics 1996年第1期 49-55页

作者： Yallg Kaihui(Instilule Of Geology, Chinese Academy of Geological Sciences, Beijing, 10003 7, China)

ＡＬｉｔｈｏｓｐｈｅｒｉｃＢｏｕｎｄａｒｙｂｅｔｗｅｅｎＥｕｒａｓｉａａｎｄＧｏｎｄｗａｎａｌａｎｄｉｎＥａｓｔｅｒｎＴｅｔｈｙａｎＯｒｏｇｅｎ：ＩｍｐｌｉｃａｔｉｏｎｆｒｏｍＧｅｏｃｈｅｍｉｓｔｒｙｏｆＣｏｎｔｉｎ... 详细信息

ＡＬｉｔｈｏｓｐｈｅｒｉｃＢｏｕｎｄａｒｙｂｅｔｗｅｅｎＥｕｒａｓｉａａｎｄＧｏｎｄｗａｎａｌａｎｄｉｎＥａｓｔｅｒｎＴｅｔｈｙａｎＯｒｏｇｅｎ：ＩｍｐｌｉｃａｔｉｏｎｆｒｏｍＧｅｏｃｈｅｍｉｓｔｒｙｏｆＣｏｎｔｉｎｅｎｔａｌＢａｓａｌｔｓｉｎＳｏｕ...

关键词： Geochemistry implication Eastern Gondwanaland