Search Results:　 1-20 of 388

1

Community Structure and In Situ Activity of Nitrifying Bacteria in Phragmites Root-Associated Biofilms

OKABE SATOSHI , NAKAMURA YOSHIYUKI , SATOH HISASHI

… The amount of oxygen released by Phragmites roots and the community structure and in situ activity of nitrifying bacteria in the root biofilms were analyzed by the combined use of 16S rRNA gene-cloning analysis, quantitative PCR (qPCR) assay and microelectrodes. … Axial and radial O2 microprofiles were obtained for individual roots of Phragmites in a horizontal flow reactor fed with artificial medium continuously. …

Microbes and Environments 27(3), 242-249, 2012-09-01

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2

Temporal mixture analysis for estimating impervious surface area from multi-temporal MODIS NDVI data in Japan

Yang Fan , Matsushita Bunkei , Fukushima Takehiko , Yang Wei , 松下文経 , 福島武彦

… As a proxy measure of the human ecological footprint, impervious surface area (ISA) has recently become a key concept in the field of urban remote sensing, with a focus on estimation of the ISA at a city-scale by using Landsat-style satellite images. … Three ISA distribution maps obtained from Landsat-5 TM data were used as reference maps to evaluate the performance of the proposed method. …

ISPRS journal of photogrammetry and remote sensing 72, 90-98, 2012-08-00

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3

Reduction of Surface Errors over a Wide Range of Spatial Frequencies Using a Combination of Electrolytic In-Process Dressing Grinding and Magnetorheological Finishing

KUNIMURA Shinsuke , OHMORI Hitoshi

… In this technical note, a fabrication result of a carbon mirror is shown. … Flatness over the whole surface was improved by performing the first and second steps. … After the third step, peak to valley (PV) and root mean square (rms) values in an area of 0.72 x 0.54 mm<SUP>2</SUP> … on the surface were improved. …

Journal of Advanced Mechanical Design, Systems, and Manufacturing 6(2), 198-205, 2012

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4

Vegetation Succession and Land Recovery Process Based on Soil Properties in the Upper Mt. Pinatubo, the Philippines [in Japanese]

WATANABE Makiko , TAKAOKA Sadao , MORISHIMA Wataru , SAKAGAMI Nobuo , COLLADO Mario , OGUCHI Takashi

… This study examines vegetation succession and soil physico-chemical properties in the upper reaches of the O'Donell River, which have been affected by the seasonal lahar since the 1991 eruption of Mt. Pinatubo, central Luzon, the Philippines. … Field surveys and physico-chemical analyses of lahar deposits and soil were carried out in areas including the living zone of the Aeta to understand the land recovery process along with land management practiced by the Aeta. …

Journal of Geography (Chigaku Zasshi) 120(4), 631-645, 2011-08-25

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5

Healing of experimental apical periodontitis after apicoectomy using different sealing materials on the resected root end

OTANI Kaori , SUGAYA Tsutomu , TOMITA Mahito , HASEGAWA Yukiko , MIYAJI Hirofumi , TENKUMO Taichi , TANAKA Saori , MOTOKI Youji , TAKANAWA Yasuhiro , KAWANAMI Masamitsu

… This study evaluated apical periodontal healing after root-end sealing using 4-META/MMA-TBB resin (SB), and root-end filling using reinforced zinc oxide eugenol cement (EBA) or mineral trioxide aggregate (MTA) when root canal infection persisted. … Apical periodontitis was induced in mandibular premolars of beagles by contaminating the root canals with dental plaque. …

Dental Materials Journal 30(4), 485-492, 2011-07-01

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6

Tooth movement and root resorption; The effect of ovariectomy on orthodontic force application in rats

Sirisoontorn Irin , Hotokezaka Hitoshi , Hashimoto Megumi , Gonzales Carmen , Luppanapornlarp Suwannee , Darendeliler M. Ali , Yoshida Noriaki

… Objective: To quantify the amount of tooth movement and orthodontically induced root resorption (OIRR) in ovariectomized rats.Materials and Methods: Five 10-week-old female Wistar rats undergoing ovariectomy (OVX) were investigated as the experimental group, and the other five without ovariectomy served as the control group. …

The Angle Orthodontist 81(4), 570-577, 2011-07-00

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7

Effects of peat moss and sawdust compost applications on N_2O emission and N leaching in blueberry cultivating soils(Environment)

VANO Imre , MATSUSHIMA Miwa , TANG Changyuan , INUBUSHI Kazuyuki

… Recently, the raised bed cultivation system has widely been used for blueberry cultivation, but it has a potential to cause nitrogen (N) losses via leaching and nitrous oxide (N_2O) emission especially with high rate of N application. … We investigated the effects of organic amendments on N losses; …

Soil science and plant nutrition 57(2), 348-360, 2011-04-00

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8

Estimating soil carbon stocks in an upland area of Tokachi District, Hokkaido, Japan, by satellite remote sensing(Soil Genesis, Classification and Survey)

NIWA Katsuhisa , YOKOBORI Jun , HONGO Chiharu , NAGATA Osamu

… Soil carbon stocks (SCSs) in an upland area of Tokachi District, Hokkaido, Japan, were estimated by satellite remote sensing and a soil survey. … The soil parent materials in the studied area were alluvial deposits, volcanic ash plus alluvial deposits, and volcanic ash. … Surface soil carbon concentrations (SSCCs) were negatively correlated with satellite image data (green, red, and near-infrared reflectance) for each parent material. …

Soil science and plant nutrition 57(2), 283-293, 2011-04-00

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9

Catheter Ablation of Atrial Tachyarrhythmia in Patients with Prior Valvular Surgery: The Limitation of the Surface Electrocardiography

Chang Hung-Yu , Yin Wei-Hsian , Chiang Meng-Cheng , Feng An-Ning

… The diagnostic potential of the surface electrocardiography (ECG) might be limited because of the presence of surgical scar and interatrial conduction delay. … Group 1 consisted of 5 patients with negative flutter waves in inferior leads and leads V5–6, positive waves in leads V1–V2. … Group 2 consisted of 3 patients with ECG presentations different from those in group 1. …

Journal of Arrhythmia 27(Supplement), PE4_026-PE4_026, 2011

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10

Quantity, vertical distribution and morphology of fine roots in Norway spruce stands with different stem density

Kucbel Stanislav , Jaloviar Peter , Špišák Jozef

… In the study, the influence of stand density on quantitative and morphological parameters of fine roots with the diameter less than 2 mm was analysed. … The results confirmed the differences of the fine root distributions and the total fine root mass between stands with different density. …

Plant Root 5, 46-55, 2011

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11

Estimation of Crack Initiation Life in Low Cycle Fatigue by Stress Redistribution Locus Method for Circumferential Notched Bar of Low Carbon Steel (S20C)

KOBAYASHI Ken-ichi

… The stress redistribution locus (SRL) method has been proposed to make a reasonable estimate of inelastic behavior under elevated temperatures employing both the elastic Finite Element (FE) analysis and a unique hyperbolic curve, where dimensionless equivalent strain and stress are normalized by elastic ones in the elastic FE analysis. …

Journal of Solid Mechanics and Materials Engineering 5(7), 323-334, 2011

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12

In-vitro evaluation of the effect of canal curvature on adaptation of gutta-percha in canals obturated with HEROfill system by CBCT

Zarei Mina , Talati Ali , Mortazavi Mohammad , Zarch Hosein Hoseini , Javidi Maryam , Bidokhty Hamid Abbaszadeh

… A hermetic seal of the root canal space following canal preparation is important in endodontics. … This study evaluated the effect of canal curve on adaptation of gutta-percha to dentinal walls of canals obturated using the Herofill system. …

Journal of Oral Science 53(1), 43-50, 2011

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13

Influence of the YAG Laser on Tooth Hard Tissue and Clinical Application to the Oral Area [in Japanese]

GA Yousuke , OKAMOTO Yoshizou , MATSUYA Shigeki

… Maiman succeeded in the oscillation of the ruby laser in 1960. … Since then several types of lasers have been developed and tried to be clinically applied to the oral area over a half century. … Lasers have been used for various clinical practices: diagnosis and prevention of dental caries, treatment for periodontal disease, hypersensitive dentin, relieving pain, and root canal infections. …

The Journal of Fukuoka Dental College 36(3), 91-99, 2010-09-30

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14

A pre-screened and normalized multiple endmember spectral mixture analysis for mapping impervious surface area in Lake Kasumigaura Basin, Japan

Yang Fan , Matsushita Bunkei , Fukushima Takehiko , 松下文経 , 福島武彦

… The impervious surface area (ISA) has emerged not only as an indicator of the degree of urbanization, but also as a major indicator of environmental quality for drainage basin management. …

ISPRS journal of photogrammetry and remote sensing 65(5), 479-490, 2010-09-00

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15

Propagation Behavior of a Surface Crack Occurred at the Plate under Combined Stress State of Cyclic Bending and Static Torsion [in Japanese]

ONO Yuichi , LI Cheng , BOKURA Masashi

… Crack propagation behavior under combined stress state of cyclic bending and static torsion is investigated for A7075 aluminum alloy. … The propagation direction and the propagation rate of a fatigue crack that occurs from a small hole machined at the specimen surface are affected by a static shearing stress. … Especially, the crack propagation rate increases by the existence of a static shearing stress. …

Transactions of the Japan Society of Mechanical Engineers. A 76(768), 1076-1081, 2010-08-25

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16

Effect of Surface Area/Dry Weight Ratio on Diethyl Ether-soluble Extract Content of Roots in Lithospermum erythrorhizon Siebold et Zucc., Boraginaceae [in Japanese]

Hayashi Shigeki , Hishida Atsuyuki , Kyogoku Haruki , Ono Koichi , Shibata Toshiro

… The supply of roots of Lithospermum erythrorhizon Siebold et Zucc., which have been used for a crude drug, depends almost entirely on the collection of wild plants in China. …

The Japanese journal of pharmacognosy 64(2), 61-67, 2010-08-20

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17

Estimation of Crack Initiation Life in Low Cycle Fatigue by Stress Redistribution Locus (SRL) Method for Circumferential Notched Bar of Low Carbon Steel (S20C) [in Japanese]

KOBAYASHI Ken-ichi

… Stress redistribution locus (SRL) method has been proposed to provide a reasonable estimate of inelastic behavior under elevated temperatures employing both the elastic Finite Element (FE) analysis and a unique hyperbolic curve: ε={1/σ+(κ-1)σ}/κ, where ε and σ show dimensionless equivalent strain and stress normalized by elastic ones obtained in the elastic FE analysis. …

Transactions of the Japan Society of Mechanical Engineers. A 76(765), 541-548, 2010-05-25

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18

Combined use of InSAR and GLAS data to produce an accurate DEM of the Antarctic ice sheet: Example from the BreivikaeAsuka station area

Yamanokuchi Tsutomu , Doi Koichiro , Shibuya Kazuo

… Surface elevation data for the BreivikaeAsuka Station area, East Dronning Maud Land, Antarctica, obtained during ground surveys undertaken in 1987 were compared with elevation data measured by the Geoscience Laser Altimeter System (GLAS) onboard the Ice, Cloud, and land Elevation Satellite (ICESat) in 2003. … The two sets of measurements were consistent within ±12.4 m for an elevation range from 300 to 1000 m. …

Polar science 4(1), 1-17, 2010-05-00

Cited by (1)
19

Repair of root resorption 2 to 16 weeks after the application of continuous forces on maxillary first molars in rats: a 2- and 3-dimensional quantitative evaluation.

Gonzales Carmen , Hotokezaka Hitoshi , Darendeliler M Ali , Yoshida Noriaki

… INTRODUCTION: Root resorption is a side effect of orthodontic treatment that occurs with the removal of hyalinized tissue. … However, quantitative 3-dimensional evaluation of root resorption repair has not been done. …

American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics 137(4), 477-485, 2010-04-00

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20

Effect of L-β-Phenyllactic Acid on growth of rice seedlings [in Japanese]

安達祐介 , 木村和彦 , 三枝正彦他

Bulletin of the Faculty of Agriculture, Niigata University 62(2), 97-103, 2010-03-00

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