نتایج جستجو برای: material evaluation
تعداد نتایج: 1163396 فیلتر نتایج به سال:
the major aim of this study was to investigate the relationship between social and cultural capital and efl students’ critical thinking skills. this study takes this relationship in to account to see if people with different sociocultural status are different regarding their critical thinking skills. to this end, 160 university students majoring in english language and literature, english trans...
abstract this study evaluates the iranian pre-university english textbook in terms of needs, objectives, content, and methodology. the study was designed on the qualitative- quantitative survey basis using interviews and questionnaires, a researcher-made textbook evaluation checklist and a needs analysis questionnaire. the textbook evaluation questionnaire was used in this study to elicit the ...
The corrosion of reinforced steel, and subsequent reinforced concrete degradation, is a major concern for infrastructure durability. New materials with specific, tailor-made properties or the establishment of optimum construction regimes are among the many approaches to improving civil structure performance. Ideally, novel materials would carry self-repairing or self-healing capacities, trigger...
Proof. Fix a pair of neighbouring datasets X ' X ′ and let E ⊆ R be any measurable set. Let ΘX,X′ be as in the statement and write ΘX,X′ = R \ΘX,X′ . Using the assumptions on ΘX,X′ we see that P[θX ∈ E] = P[θX ∈ E ∩ΘX,X′ ] + P[θX ∈ E ∩ΘX,X′ ] ≤ eP[θX′ ∈ E ∩ΘX,X′ ] + δ ≤ eP[θX′ ∈ E] + δ . Now we proceed with the proof of Lemma 1. Let X ' X ′ be two neighbouring datasets and let us write Z1 = ZX ...
BACKGROUND Premature failures of wheelchairs in less-resourced environments (LREs) may be because of shortcomings in product regulation and quality standards. The standards published by the International Organization for Standardization (ISO) specify wheelchair tests for durability, safety and performance, but their applicability to products used in the rugged conditions of LREs is unclear. Bec...
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