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Performance evaluation of a full-scale extended aeration system with emphasis on operation reliability and effluent quality for reuse
No full textEnvironmental Engineering
N.,,Tomaleh
The Effect of Utilizing Storytelling Strategy in Teaching Mathematics on Grade Four Students’ Achievement and Motivation towards Learning Mathematics
No full textLearning can be enjoyable if teachers use appealing methods of teaching. Research shows that there is a high
correlation between the student’s level of motivation and their achievements. The literature also shows that the ability to motivate students is a very important teacher characteristic. It was argued that the use of storytelling methods in teaching is very effective for motivating students’ desire to learn. Before the wide spread of new technology, narration was the only way to transfer heritage, customs, traditions, beliefs, and history from generation to generation.
Egan argues that told stories direct the listeners’ emotions toward its content. Zazkis & Liljedahl see that the
stories are interesting and can present ways to think and act as the stories’ heroes can do. The literature asserts that stories create a favorable environment for learning, and reduces students’ tensions and improves students’memory for what they learn.
Many educators show interest in utilizing stories to transmit mathematical concepts. Standards for school
mathematics, as suggested by the National Council of Teachers of Mathematics considered communication as an essential component of learning mathematics. This means using language in the form of writing and speaking in order to communicate their mathematics ideas . As a result, it is important to practice the art of communication in different ways. Storytelling in teaching mathematics can help in understanding complex thoughts and ideas, because it encourages students to focus and think harder
Use of molecular techniques for the analysis of foam-causing bacteria in Al Bireh oxidation ditch, Palestine
No full text
Genotypic variation in the Brucella melitensis hemagglutinin gene in vaccine strains and field isolates in Palestine
No full textHuman Biology, Medicine and Health Sciences
Farraj,Mohammad:
Adwan,Kamel:
Awwad,Elena
Analysis of aflatoxins, caffeine, nicotine and heavy metals in Palestinian multifloral honey from different geographic regions
No full textAgricultural and Food Sciences
Bahader,Ahed:BACKGROUND:Honeyis a healthy and nutritious natural product.However,itmay contain some natural aswell as anthropogenic
contaminants that can affect consumer health. The present study was aimed at analysing the content of aflatoxins, nicotine,
caffeine and heavy metals in Palestinian multifloral honey.
RESULTS: The results indicated the presence of variable amounts of aflatoxins (0.5–22 µg kg−1, mean 12.1 µg kg−1) in all
samples analysed, with the highest levels in honey from humid hot semi-coastal regions. Caffeine was found in 80% of honey
samples analysed at levels from 94 to 3583 µg kg−1 (mean 1567 µg kg−1). High levels were recorded in regions where citrus
cultivation is common. Nicotine was detected in 67% of honey samples analysed at concentrations between 178 and 9389 µg
kg−1 (mean 1567 µg kg−1). High levels were recorded in honey samples from the Northwest Plains where tobacco plantation is
practised. Cd and Pb levels in all honey samples were below detection limits, while levels of other toxic metals were generally
low.
CONCLUSIONS: All honey samples contained aflatoxins, mostly in health-threatening concentrations. Caffeine and nicotine
were recorded in 80 and 67% of honey samples respectively. Heavy metal levels were generally low
القدس بين هوية التاريخ ومقاومة الإحتلال في الشعر الفلسطيني المعاصر
No full textLiterature and Language
Hydrochemical Characteristics of the Runoff in the Anata catchment
No full textGeosciences and Earth Science