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A Stuidy on J. R. R. Tolkien's Creative Process of The Homecoming of Beorhtnoth, Beorhthelm's Son
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Development of Precision Medicine Based on Comprehensive Therapeutic Response in Patients with Asthma and COPD
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Development of flow-dynamical evaluation for lower urinary tract function using high-speed video-camera
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Development of a novel functional food strategy for dementia prevention using plant-derived exosomes
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Molecular analysis of temperature signaling pathways in circadian clock-mediated diapause determination in the silkworm, Bombyx mori
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Development of a method for separating pattern noise in images and characterizing pattern components using frequency spectrum
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Study on the preparation and characterization of waterborne silicone-modified polyurethane nanofibers(水性シリコーン変性ポリウレタンナノファイバーの製造と特性評価に関する研究)
信州大学(Shinshu university)博士(工学)この博士論文は、次の学術雑誌論文を一部に使用しています。 / Polymers 16(11) :1500(2024); doi:10.3390/polym16111500 © 2024 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). / Polymers 16(11) :1505(2024); doi:10.3390/polym16111505 © 2024 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).ThesisLI, FANG. Study on the preparation and characterization of waterborne silicone-modified polyurethane nanofibers(水性シリコーン変性ポリウレタンナノファイバーの製造と特性評価に関する研究). 信州大学, 2024, 博士論文. 博士(工学), 甲第829号, 令和06年09月30日授与.doctoral thesi
Consideration of alternative method to Durham pollen sampler method
目的:障害物や通行量があると設置しづらいダーラム型花粉捕集法に代わる方法として、ベランダ下にポリエチレンテレフタレート(PET)樹脂板をクリップで固定する重力法の有用性について検討を行った。方法:ダーラム型花粉捕集法(以下、ダーラム法)とクリップ捕集法(クリップ法)の差異を、スライドグラスを用いて比較した。また、割れにくく、扱い易いPET 樹脂板を使用可能か、ダーラム型花粉捕集法でスライドグラスとPET 樹脂板の捕集効率の差異を比較した。そして、PET 樹脂板を用いたクリップ法を、15 か所の保育園のベランダに2 器設置、比較し、同一地域内での花粉捕集量の差異を検討した。結果:3 か所でダーラム法とクリップ法を、それぞれ40 回測定し比較したところ、花粉数の相関係数は0.88 ~ 0.94(p<0.01)だった。クリップ法の花粉捕集総数はそれぞれダーラム法の1.38 ~ 1.59 倍であった。ダーラム法でスライドグラスとPET 樹脂板を比較した結果、相関係数0.99(p<0.01)で、後者の捕集数は前者の1.17 倍だった。同一地域内15 か所の保育園のベランダに設置したクリップ法2 器によりスギ花粉数を測定した結果、相関係数は0.90(p<0.01)で、保育園毎の差異は小さかった。考察:ダーラム型捕集器を設置しづらい施設において、PET 樹脂板を用いたクリップ捕集法は有用であると考えられた。We examined the validity of the gravity slide method for clipping PET plastic plates in verandas at facilities unsuitable for installing a Durham sampler due to the presence of obstacles and traffic.( 1) Differences in the number of collections between the Durham and clip samplers were compared using glass slides. Pollen counts collected 40 times each under the porch and the eaves using clips were highly correlated with the counts using the Durham sampler. The correlation coefficients were 0.88 - 0.94( p<0.01). The total number of pollen collected using the clips was 1.38 - 1.59 times higher than that collected by the Durham sampler(. 2) Cedar pollen counts were collected 50 times with Durham samplers. The number collected by the PET plastic plates was 1.17 times higher than that by glass slides. The correlation coefficient was 0.99( p<0.01).( 3) The number of cedar pollen collected using the PET plastic plates at two locations under the verandas of 15 nurseries over fifteen days was approximated for each nursery, with a correlation coefficient of 0.90( p<0.01). The gravity slide method using PET plastic plates in verandas may be useful at facilities unsuitable for installing a Durham sampler.journal articl