Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Takefumi Nagata"'
Publikováno v:
Polymer Engineering & Science. 42:2234-2245
When CO 2 is dissolved into a polymer, the viscosity of the polymer is drastically reduced. In this paper, the melt viscosities of low-density polyethylene (LDPE)/ supercritical CO 2 solutions were measured with a capillary rheometer equipped at a fo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ea47a8aaea3fb8f4fc971a539ccd60df
https://doi.org/10.1002/pen.11113
https://doi.org/10.1002/pen.11113
Publikováno v:
Journal of Cellular Plastics. 38:11-30
An in-line sensor using near infrared (NIR) spectroscopy was developed for monitoring carbon dioxide (CO2) concentration, which is dissolved into molten polymers in extrusion foaming processes. The sensor infers the CO2 concentration from the measure
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::055f3faa69a28cbbdbf81e1e3e8869fa
https://doi.org/10.1177/0021955x02038001187
https://doi.org/10.1177/0021955x02038001187
Publikováno v:
KAGAKU KOGAKU RONBUNSHU. 28:739-745
CO2を使った物理発泡成形において，樹脂の粘度は発泡体の気泡径を制御する上で非常に重要な要素になる．しかし，その粘度は樹脂内に溶解しているCO2の濃度によって大きく変化する．
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7449131b799f2af6b34caf403e66e1a9
https://doi.org/10.1252/kakoronbunshu.28.739
https://doi.org/10.1252/kakoronbunshu.28.739
Publikováno v:
Seikei-Kakou. 13:260-268
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b3fe12b134d11e4418bd73cd2f90b664
https://doi.org/10.4325/seikeikakou.13.260
https://doi.org/10.4325/seikeikakou.13.260
Publikováno v:
Polymer Engineering & Science. 40:1843-1849
An on-line sensor using near infrared (NIR) spectroscopy is developed for monitoring CO 2 concentration in polymeric extrusion foaming processes. NIR absorption spectra are acquired by a probe installed at the foaming extruder die. The calibration cu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7a1833cc45261e1cc30cfa987665eaa7
https://doi.org/10.1002/pen.11316
https://doi.org/10.1002/pen.11316
Autor:
Yasutomo Goto, Yoshiro Okino, Takefumi Nagata, Kiyohito Koyama, Mitsuhiro Imaizumi, Tatsuhiro Takahashi
Publikováno v:
KOBUNSHI RONBUNSHU. 62:438-440
Biodegradable plastics have received great attention in polymer industries from the ecological view point. A number of plastics with biodegradability properties have been developed over the recent decades. In this study, several types of biodegradabl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fa775f8d2fb0e411b9434cd359393c8b
https://doi.org/10.1295/koron.62.438
https://doi.org/10.1295/koron.62.438
Autor:
Yoshiyuki Sato, Takefumi Nagata
Publikováno v:
Seikei-Kakou. 15:486-488
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::950ab3ef4fbea276285ef8730d31f035
https://doi.org/10.4325/seikeikakou.15.486
https://doi.org/10.4325/seikeikakou.15.486
Publikováno v:
Journal of Japan Oil Chemists' Society. 40:473-477
Novel surfactants with two long-chain alkyl groups and two sulfonate groups were synthesized by reactions of oligo (ethyleneglycol) diglycidyl ethers or bis (2, 3-epoxypropyl) ether with long-chain fatty alcohols, followed by reaction with propanesul
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6932227cafe24198074a524274c8826a
https://doi.org/10.5650/jos1956.40.473
https://doi.org/10.5650/jos1956.40.473
Publikováno v:
Medical Imaging: Image-Guided Procedures
We formulated a new dynamic range compression (DRC) processing algorithm that can be applied to chest CT images. This new DRC processing algorithm was based on an existing DRC processing algorithm. The new DRC processing algorithm, which we named “
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b9c83750da9d36e5956ec1d58cd5242d
https://doi.org/10.1117/12.534676
https://doi.org/10.1117/12.534676
Publikováno v:
Medical Imaging 2003: Image Perception, Observer Performance, and Technology Assessment.
In order to enhance the micro calcifications selectively without enhancing noises, PEM (Pattern Enhancement Processing for Mammography) has been developed by utilizing not only the frequency information but also the structural information of the spec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bce72d7d9595792d7ac18604b90f5fc1
https://doi.org/10.1117/12.480067
https://doi.org/10.1117/12.480067