Study of Water Retention Measurement on Concrete Using Paper Filter Whatman No.42
نویسندگان
چکیده
منابع مشابه
a study on the effectiveness of task types (noticing-reformulation) on iranian low intermediate efl learners’ retention of collocations
چکیده پژوهش شبه تجربی حاضر به بررسی بکارگیری تمارین کلاسی که برانگیزنده آگاهی و توجه آگاهانه به همایندها بعنوان بخشی از یک دوره ی مکالمه زبان خارجی در یکی از آموزشگاه های زبان انگلیسی ایران است می پردازد.
Oxygen sensor via the quenching of room-temperature phosphorescence of perdeuterated phenanthrene adsorbed on Whatman 1PS filter paper.
Perdeuterated phenanthrene (d-phen) exhibits strong room-temperature phosphorescence (RTP) when adsorbed on Whatman 1PS filter paper. An oxygen sensor was developed that depends on oxygen quenching of RTP intensity of adsorbed d-phen. The system designed employed a continuous flow of nitrogen or nitrogen-air onto the adsorbed phosphor. The sensor is simple to prepare and needs no elaborate fabr...
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ژورنال
عنوان ژورنال: IPTEK Journal of Proceedings Series
سال: 2019
ISSN: 2354-6026
DOI: 10.12962/j23546026.y2019i1.5120