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Academic Journal

天然气标准物质中甲烷的不同定值方法 对组成分析的影响.

Subjects: *TREATIES; *ADDITION (Mathematics); *UNCERTAINTY

  • Source: Chemical Engineering of Oil & Gas / Shi You Yu Tian Ran Qi Hua Gong. Oct2020, Vol. 49 Issue 5, p104-108. 5p.

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Academic Journal

Development of Secondary School Students' Relational Thinking Skills with a Teaching Experiment

Subjects: Secondary School Students; Thinking Skills; Skill Development

  • Source: Eurasian Journal of Educational Research, n85 p135-167 2020. 33 pp.

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Academic Journal

Sources and Possible Causes of Errors and Misconceptions in Operations of Integers

Subjects: Error Patterns; Misconceptions; Problem SolvingMalaysia

  • Source: International Electronic Journal of Mathematics Education, v15 n2 Article em0568 2020. 13 pp.

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Academic Journal

Summation of Gaussian shifts as Jacobi's third Theta function.

Subjects: *THETA functions; *ADDITION (Mathematics); *RADIAL basis functions

  • Source: Mathematical Foundations of Computing. Aug2020, Vol. 3 Issue 3, p157-163. 7p.

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Academic Journal

Using the Number Line and Educreations in a Second Grade Classroom: A Collaborative Action Research Project

Subjects: Grade 2; Numbers; Addition

  • Source: Turkish Online Journal of Educational Technology - TOJET, v18 n4 p70-77 Oct 2019. 8 pp.

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Academic Journal

Preschoolers' Different Ways of Structuring Part-Part-Whole Relations with Finger Patterns When Solving an Arithmetic Task

Subjects: Preschool Children; Mathematics Skills; Computation

  • Source: ZDM: The International Journal on Mathematics Education, v52 n4 p767-778 Aug 2020. 12 pp.

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Academic Journal

Efficacy of a Learning Trajectory Approach Compared to a Teach-to-Target Approach for Addition and Subtraction

Subjects: Mathematics Instruction; Teaching Methods; Kindergarten

  • Source: ZDM: The International Journal on Mathematics Education, v52 n4 p637-648 Aug 2020. 12 pp.

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Academic Journal

Mapping Kindergartners' Quantitative Competence

Subjects: Kindergarten; Numeracy; Foreign CountriesNetherlands; Cyprus

  • Source: ZDM: The International Journal on Mathematics Education, v52 n4 p805-819 Aug 2020. 15 pp.

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Academic Journal

The Development and Influencing Factors of Kindergarteners' Mathematics Problem Solving Based on Cognitive Diagnosis Assessment

Subjects: Kindergarten; Mathematics Instruction; Problem Solving

  • Source: ZDM: The International Journal on Mathematics Education, v52 n4 p677-690 Aug 2020. 14 pp.

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Academic Journal

Supporting Early Mathematical Development through a 'Pattern and Structure' Intervention Program

Subjects: Foreign Countries; Kindergarten; Mathematical ConceptsAustralia

  • Source: ZDM: The International Journal on Mathematics Education, v52 n4 p663-676 Aug 2020. 14 pp.

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Modeling Person-Specific Development of Math Skills in Continuous Time: New Evidence for Mutualism

Subjects: Mathematics Skills; Skill Development; Time

  • Source: International Educational Data Mining Society, Paper presented at the International Conference on Educational Data Mining (EDM) (12th, Montreal, Canada, Jul 2-5, 2019). 6 pp.

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Academic Journal

Green's Function for the Semi-Infinite Strip in Terms of an Improper Integral.

Subjects: *INTEGRALS; *ADDITION (Mathematics); *TERMS & phrases

  • Source: Serbian Journal of Electrical Engineering. Jun2020, Vol. 17 Issue 2, p235-246. 12p.

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Academic Journal

SYNTHESIS, SPECTROSCOPIC AND THERMAL CHARACTERIZATION OF NEW OXO METHACRYLATE-CONTAINING POLYMERS.

Subjects: *ADDITION polymerization; *POLYMERS; *THERMAL stability

  • Source: Sigma: Journal of Engineering & Natural Sciences / Mühendislik ve Fen Bilimleri Dergisi. 2020, Vol. 38 Issue 3, p1133-1141. 9p.

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Academic Journal

Analysis of the Morley element for the Cahn–Hilliard equation and the Hele-Shaw flow.

Subjects: *EQUATIONS; *ADDITION (Mathematics); *ESTIMATESTHAILAND

  • Source: ESAIM: Mathematical Modelling & Numerical Analysis. 2020, Vol. 54 Issue 3, p1025-1052. 28p.

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Academic Journal

Testen im Wettlauf mit der Pandemie.

Subjects: *ADDITION polymerization; *RNA viruses; *RNA virus infections

  • Source: Trillium-Diagnostik. 2020, Vol. 18 Issue 2, p101-119. 6p.

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Academic Journal

Effects of Temperature and Pd Concentration on the Corrosion Behavior of Pd-Doped Cu and Cu9Al4 at the Cu–Al Ball-Bond Interface

Subjects: Components, Circuits, Devices and Systems; Engineered Materials, Dielectrics and Plasmas; Current density

  • Source: IEEE Transactions on Components, Packaging and Manufacturing Technology IEEE Trans. Compon., Packag. Manufact. Technol. Components, Packaging and Manufacturing Technology, IEEE Transactions on.

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Academic Journal

Simple Pictorial Mathematics Problems for Children: Locating Sources of Cognitive Load and How to Reduce It

Subjects: Pictorial Stimuli; Mathematical Concepts; Concept Formation

  • Source: ZDM: The International Journal on Mathematics Education, v52 n1 p73-85 Apr 2020. 13 pp.

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Academic Journal

Cartoon to Solve Teaching Problem on Mathematics

Subjects: Teaching Methods; Mathematics Instruction; CartoonsTurkey

  • Source: International Journal of Evaluation and Research in Education, v8 n1 p145-150 Mar 2019. 6 pp.

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Academic Journal

Designing Lesson Plan of Integer Number Operation Based on Fun and Easy Math (FEM) Approach

Subjects: Lesson Plans; Numbers; Mathematics Instruction

  • Source: International Journal of Evaluation and Research in Education, v8 n1 p103-109 Mar 2019. 7 pp.

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The Case of Disappearing and Reappearing Zeros: A Disconnection between Procedural Knowledge and Conceptual Understanding

Subjects: Mathematics Instruction; Mathematical Concepts; Concept FormationAustralia

  • Source: Mathematics Education Research Group of Australasia, Paper presented at the Annual Meeting of the Mathematics Education Research Group of Australasia (MERGA) (42nd, Perth, Western

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Academic Journal

Using Computer for Developing Arithmetical Skills of Students with Mathematics Learning Difficulties

Subjects: Mathematics Instruction; Arithmetic; Grade 3Turkey

  • Source: International Journal of Research in Education and Science, v5 n1 p237-251 Win 2019. 16 pp.

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Academic Journal

Serious Obstacles Hindering Middle School Students' Understanding of Integer Exponents

Subjects: Barriers; Middle School Students; NumbersTurkey

  • Source: International Journal of Research in Education and Science, v5 n1 p52-69 Win 2019. 19 pp.

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Academic Journal

A note on the weak law of large numbers of Kolmogorov and Feller.

Subjects: *LAW of large numbers; *ADDITION (Mathematics)

  • Source: Proceedings of the Indian Academy of Sciences: Mathematical Sciences. 2020, Vol. 130 Issue 1, p1-13. 13p.

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Academic Journal

Mixed matrix membranes consisting of ZIF-8 in rubbery amphiphilic copolymer: Simultaneous improvement in permeability and selectivity.

Subjects: *PERMEABILITY; *ADDITION polymerization; *MATRICES

  • Source: Chemical Engineering Research & Design: Transactions of the Institution of Chemical Engineers Part A. Jan2020, Vol. 153, p175-186. 12p.

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Academic Journal

ON φ - |A,δ|k SUMMABILITY OF ORTHOGONAL SERIES.

Subjects: *ADDITION (Mathematics)

  • Source: Acta Mathematica Universitatis Comenianae. 2020, Vol. 89 Issue 1, p161-168. 8p.

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Academic Journal

Inf-hesitant fuzzy subalgebras and ideals in BCK/BCI-algebras.

Subjects: *FUZZY sets; *ADDITION (Mathematics)

  • Source: European Journal of Pure & Applied Mathematics. 2020, Vol. 13 Issue 1, p9-18. 10p.

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Academic Journal

SYNTHESIS, CHARACTERIZATION AND THERMAL PROPERTIES OF NEW OXOETHYL ACRYLATE CONTAINING POLYMER.

Subjects: *ACRYLATES; *ADDITION polymerization; *THERMAL properties

  • Source: Sigma: Journal of Engineering & Natural Sciences / Mühendislik ve Fen Bilimleri Dergisi. 2020, Vol. 38 Issue 1, p281-288. 8p.

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Academic Journal

Carboamination of Unactivated Alkenes through Three‐Component Radical Conjugate Addition.

Subjects: *ALKENES; *CONJUGATE addition reactions; *FUNCTIONAL groups

  • Source: Angewandte Chemie. 11/11/2019, Vol. 131 Issue 46, p16680-16684. 5p.

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Academic Journal

Supereigenvalue Problem to Addition-Min Fuzzy Matrix With Application in P2P File Sharing System

Subjects: Computing and Processing; Eigenvalues and eigenfunctions; Peer-to-peer computing

  • Source: IEEE Transactions on Fuzzy Systems IEEE Trans. Fuzzy Syst. Fuzzy Systems, IEEE Transactions on. 28(8):1640-1651 Aug, 2020

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  • 1-50 of  43,769 results for ""Addition""