Results 71 to 80 of about 1,835,677 (289)
Perception of Symmetry and Spatial Reasoning in 11–12-Year-Old Pupils
Education SciencesVisual perception and visualization are crucial in mathematical thinking and, more importantly, in geometric thinking. Our research study aimed to follow the link of geometric transformations, mental rotation, spatial ability, and visualisation in ...
Mária Kmetová, Lucia Rumanová
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STUDIES ON THINKING PROCESS IN GEOMETRICAL PROBLEM SOLVING: IV
The Japanese journal of psychology, 1961 Five experiments were conducted to study the thinking process in geometrical problem-solving using single problem. Exp. I was for the effect of problem conditions in thinking process, Exp. II for the effect of positive conditions which accelerate the problem-solving and negative conditions which disturb it, as the supplement of Exp. I, Exp. III for the
openaire +5 more sources
Advanced Engineering Materials, EarlyView.Schematic representation of modes of microcrack nucleation, growth and temporary arrestment at different boundaries, with the criteria for crack propagation in three scenarios: (1) large notch, (2) defect/small sharp notch, and (3) long crack. This work revisits and integrates results on the fatigue behavior of advanced bainitic steels (in particular ...
Lucia Morales‐Rivas
wiley +1 more source
Education SciencesThis study investigates how pre-service primary education teachers (PSTs) develop geometric thinking when exposed to an instructional approach based on van Hiele’s theory.
Nives Baranović, Ivana Batarelo Kokić
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Geometric Thinking of Future Mathematics Teachers in Mozambique: a case study from Rovuma University
Tangram, 2020 We developed the research with 53 students, future math teachers, from the 1st year of the Degree in Mathematics Teaching at Rovuma University. The aim was to identify the level of development of geometric thinking of future mathematics teachers. To this
Rosalino Subtil Chicote +1 more
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Advanced Engineering Materials, EarlyView.This article investigates the dependence of the properties on the manufacturing orientation in the form of the inclination angle to the build plate of LPBF‐fabricated NiTi rods with a diameter of 150–220 µm. Metallographic, chemical, thermal, and mechanical characterization show behavior under identical manufacturing conditions that ranges from ...
Sandra Herzig +2 more
wiley +1 more source
A Novel Approach to Estimate the Transition Temperature via Dynamic Nanoindentation
Advanced Engineering Materials, EarlyView.A new dynamic nanoindentation‐based method was developed that uses the stiffness ratio as an indicator of the elastic–plastic deformation contributions at different temperatures. The approach successfully identified transition temperatures in ferritic steel and distinguished them from continuously ductile austenitic steel.
Stefan Zeiler +4 more
wiley +1 more source
Advanced Engineering Materials, EarlyView.A high interstital austenitic steel is additively manufactured and postdensified by HIP to eliminate gas porosity. Thereby, the loss of N and Mn in Ar HIP atmosphere is investigated. Further, HIP using N2 atmosphere is investigated which led to excessive nitride formation.
F. Großwendt +4 more
wiley +1 more source
DEVELOPING PUPILS’ LOGICAL THINKING ABILITY IN THE STUDY OF GEOMETRIC MATERIALS IN MATHEMATICS OF PRIMARY SCHOOLS [PDF]
, 2021 This article discusses effective ways of teaching geometric materials in the development of logical thinking skills of primary school pupils. We analyzed the approximate appearance of how a pupil can express his or her thoughts in his or her ...
Sofiboyeva, Gulchehra Mamurjanovna, PhD
core
Impact of Hydrogen Incorporation on Electronic and Magnetic Structure of X2CrNi18‐9 Stainless Steel
Advanced Engineering Materials, EarlyView.Hydrogen uptake in austenitic stainless steel alters both its electronic and magnetic structure. Seebeck measurements reveal hydrogen‐induced shifts in the electronic density of states, while neutron scattering uncovers nanoscale inhomogeneities that grow upon hydrogen incorporation, with the most pronounced effect observed in the PBF as‐built state ...
Torben Tappe +9 more
wiley +1 more source