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The Learning Trajectories of Similarity in Mathematics Curriculum: An Epistemological Analysis of Hong Kong Secondary Mathematics Textbooks in the Past Half Century
Published 2021-09-01“…This study identified the problems and characteristics regarding how similarity is treated in secondary mathematics textbooks in Hong Kong in the past half century. The content analysis method was used to analyze six secondary mathematics textbook series published in different periods. …”
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Life on the edge—a changing genetic landscape within an iconic American pika metapopulation over the last half century
Published 2023-09-01“…Genetic data extracted from both contemporary samples and archived natural history collections allowed us to track population and patch-level genetic diversity for Bodie pikas across three distinct sampling points during the last half- century (1948–1949, 1988–1991, 2013–2015). Reductions in within-population allelic diversity and expected heterozygosity were observed across the full time period. …”
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Variations in Grain Traits among Local Rice Varieties Collected More Than Half-Century Ago in Indochinese Countries
Published 2022-12-01“…More than half-century ago, local rice varieties were collected from Indochinese countries (Cambodia, Thailand, Laos, and Vietnam). …”
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Bone morphogenetic protein-induced heterotopic bone formation: What have we learned from the history of a half century?
Published 2015-05-01“…Bone morphogenetic protein (BMP) was originally discovered by Marshall Urist a half century ago following the observation of a unique activity that induced heterotopic bone formation in skeletal muscle tissue. …”
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Natural and human-induced changes in summer climate over the East Asian monsoon region in the last half century: A review
Published 2015-06-01Subjects: Get full text
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Understanding Urban Expansion on the Tibetan Plateau over the Past Half Century Based on Remote Sensing: The Case of Xining City, China
Published 2020-12-01“…We found that the proposed approach can accurately quantify the urban expansion of Xining City over the past half century with an overall accuracy of 91% and a kappa coefficient of 0.86. …”
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Stable Water Use Efficiency of Tibetan Alpine Meadows in Past Half Century: Evidence from Wool δ13C Values.
Published 2015-01-01“…Carbon isotope discrimination was highly variable and no trend was apparent in the past half century. Intrinsic water use efficiency (Wi) increased by 18 μmol·mol-1 (approximately 23.5%) during 1962-2010 because the increase in the intercellular CO2 concentration (46 μmol·mol-1) was less than that in the atmospheric CO2 concentration (Ca, 73 μmol·mol-1). …”
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Nitro Zeus, a confrontation between America's international policies and the Islamic Republic's sovereignty model after a half century of challenge
Published 2019-05-01“…And, since there is no alternative to this model of sovereignty given the complex and multilayered identity of Iranian culture, it is evident that compliance with the new global order and embracing Iran is the only solution for putting an end to this challenge from the last half century.…”
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A half-century diversion of monetary policy? An empirical horserace to identify the UK variable most likely to deliver the desired nominal GDP growth rate
Published 2016“…Indeed, over the past half century, different variables were raised to prominence in the quest to achieve desired nominal GDP outcomes. …”
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Distributional change of women's adult height in low- and middle-income countries over the past half century: An observational study using cross-sectional survey data.
Published 2018-05-01“…This study examines changes at the population level in the distribution of height over time across a broad range of low- and middle-income countries during the past half century. METHODS AND FINDINGS:The study population comprised 1,122,845 women aged 25-49 years from 59 countries with women's height measures available from four 10-year birth cohorts from 1950 to 1989 using data from the Demographic and Health Surveys (DHS) collected between 1993 and 2013. …”
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