Search Results 1-20 of 2391

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Plasma-induced defects:In-situ detection of defects during semiconductor plasma processing [in Japanese]

NUNOMURA Shota

半導体デバイス製造において，プラズマプロセス中に発生する欠陥は，デバイス性能に大きな影響を及ぼす．最先端ロジック回路用FinFET，高効率太陽電池，高感度イメージセンサでは，欠陥の低減が喫緊の課題である．一方，次世代メモリや量子デバイスでは，単一電子制御の点で欠陥の積極的活用が期待される．しかしながら，プラズマプロセスを用いるデバイス製造において，欠陥の発生や修復に関する知見は十 …

Oyo Buturi 90(2), 91-97, 2021

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2

Ice Crystal Growth Experiments Conducted in the Kibo of International Space Station

FURUKAWA Yoshinori , MAKI Takao , YAMAMOTO Asuka , TOMOBE Toshiyuki , MURATA Ken-ichiro , SAZAKI Gen , NAGASHIMA Ken , YOKOYAMA Etsuro , NAKATSUBO Shunichi , ZEPEDA Salvador , YOSHIZAKI Izumi , TAMARU Haruka , SHIMAOKA Taro , SONE Takehiko

… Microgravity experiments on ice crystal growth in supercooled water without any effect of convection flow were carried out twice in Kibo of the International Space Station as projects called "Ice Crystal 1" and "Ice Crystal 2". … Many video movies recording the growth process of a single ice crystal were analyzed to clarify the pattern formation processes of single ice crystals and the impurity effect on ice crystal growth kinetics. …

International journal of microgravity science and application 38(1), 380101, 2021

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3

Phase-field Simulation of Recrystallization in Cold Rolling and Subsequent Annealing of Pure Iron Exploiting EBSD Data of Cold-rolled Sheet

Suwa Yoshihiro , Tomita Miho , Tanaka Yasuaki , Ushioda Kohsaku

… A unified theory for continuous and discontinuous annealing phenomena based on the subgrain growth mechanism was proposed by Humphreys around twenty years ago. …

ISIJ International 61(1), 350-360, 2021

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4

Effect of Carbon Concentration in Austenite on Cementite Morphology in Pearlite

Yasuda Tadao , Nakada Nobuo

… The ferrite growth rate increases with decreasing carbon concentration in austenite, which leads to non-cooperative growth between ferrite and cementite in the eutectoid reaction, resulting in the formation of degenerate pearlite. … The critical carbon concentration and its temperature dependence for lamellar and degenerate pearlite transition can be estimated by a simple competition model of growth kinetics between ferrite and pearlite formations. …

ISIJ International 61(1), 372-379, 2021

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5

Modelling of Effects of Cold Work on Sigma Phase Growth Rate in Super Duplex Stainless Steel

Osuki Takahiro , Ogawa Kazuhiro

… By the modelling of the precipitation and growth behaviour of the sigma phase the quantitative effects of amounts of cold work was investigated in super duplex stainless steels. … The equation to describe the growth rate of sigma phase proposed formerly by the authors was employed. … Experimental data was obtained by measuring the growth of sigma phase in the isothermally heated specimen at 1173 and 1223 K. …

ISIJ International 61(1), 487-492, 2021

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6

In vitro evaluation of bone grafting materials on macrophage polarization, osteogenic differentiation, and the potential as bone morphogenetic protein-2 carriers [in Japanese]

FUJIOKA-KOBAYASHI Masako , KONO Michihide , NAGAI Takahiro , KATAGIRI Hiroki , IIZUKA Tateyuki

… The purpose of the present study was to investigate not only the conventional method of comparison of osteogenic potential of different bone grafting materials, but also evaluate the macrophage behavior and the potential as carriers of growth factors in vitro. … Furthermore, bone morphogenetic protein-2 (BMP-2) adsorption, release kinetics, and osteoblastic activities of BMP-2-loaded materials were evaluated. …

Japanese Journal of Oral and Maxillofacial Surgery 66(12), 586-595, 2020

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7

pH and Temperature Effects for Kinetics of Silica Polymerization toward Silica Scale Suppression [in Japanese]

TAJIMA Shota , FUCHIDA Shigeshi , KATO Tatsuya , TOKORO Chiharu

… In this study, we examined optimal pH (3, 6 and 9) and temperature (298–353 K) conditions for the treatment process of waste geothermal fluids using a silica polymerization kinetics calculation. … The kinetic model of Fleming was applied to nuclear growth and rate-limiting steps. … The polymerization rate at pH 9 was about 3 times higher than that at pH 6 during the nucleus growth process, whereas these speeds did not change due to the difference in temperature. …

Resources Processing 67(1), 22-30, 2020

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8

Nucleation Kinetics Estimated by Using the Modified Induction Time in Cooling Crystallization and the Applicability to the Combined Process of Antisolvent and Cooling Crystallization

Kodera Takanori , Kobari Masanori , Hirasawa Izumi

… A previously proposed method for estimating antisolvent crystallization kinetics has been successfully applied to cooling crystallization to yield kinetic parameters for simulating the crystallization process. … In particular, the primary nucleation kinetics were analyzed using the modified induction time data, essentially as proposed by Kubota. … The secondary nucleation and growth rate parameters for cooling crystallization were also successfully determined by numerical optimization. …

JOURNAL OF CHEMICAL ENGINEERING OF JAPAN 53(11), 698-707, 2020

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9

Crystallization Control for Fluorine-free Mold Fluxes: Effect of Na2O Content on Non-isothermal Melt Crystallization Kinetics

Shu Qifeng , Klug Jeferson Leandro , Medeiros Samuel Lucas Santos , Heck Nestor C. , Liu Yang

… = 3%, MgO = 2%) slag system, it is necessary to know the effect of Na2O concentration regarding crystallization kinetics. … it was found that they are near 2.5, for all analyzed samples, which means that it is related to the crystallization mode diffusion controlled, with constant nucleation rate and three-dimensional growth. …

ISIJ International 60(11), 2425-2435, 2020

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10

A Modified Double Subculture Method for the Two-Mode Injuries Evaluation in a Stressed Fungal Spore Population

HORIKIRI SHIGETOSHI , FURUTA MASAKAZU , TSUCHIDO TETSUAKI

… In order to evaluate injury of a stressed fungal spore population, a modification of formerly presented double subculture method, which consists of both the conventional plate count method and the growth delay analysis method, was proposed. …

Biocontrol Science 25(3), 131-138, 2020

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11

Growth characteristics of Rickettsia species LON strains closely related to Rickettsia japonica isolated from Haemaphysalis longicornis ticks in mouse-derived L929 and human-derived THP-1 host cell lines

Tai Hitoshi , Su Hongru , Takamoto Naoya , Fujita Hiromi , Takano Ai , Oishi Saori , Abe Fuyuki , Ando Shuji , Ohashi Norio

… Growth kinetics of LON-2 and LON-13 strains analyzed by a quantitative real-time PCR showed 100-fold increment or more of LONs cultured in L929 host cells at 30oC and slightly less increment at 33oC, and 25-fold increment in human-derived THP-1 host cells at 35oC on day 7 (168 h) post infection. …

Japanese Journal of Infectious Diseases, 2020

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12

Influence of Morphology of Cementite on Kinetics of Austenitization in the Binary Fe–C System

Nishibata Toshinobu , Hayashi Koutaro , Saito Takayuki , Fukumoto Manabu , Kajihara Masanori

… The kinetics of the C diffusion is different from each other between the one-dimensional and three-dimensional coordinate systems. … Consequently, the morphology of the θ phase will influence the growth behavior of the γ phase. …

MATERIALS TRANSACTIONS 61(9), 1740-1749, 2020

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13

Treatment of iron overload in myelodysplastic syndromes and other bone marrow failure syndromes [in Japanese]

KOBUNE Masayoshi

鉄はヘモグロビン合成のみならず，呼吸鎖の形成，DNA複製，DNAおよびヒストン脱メチル化酵素群の活性など細胞の維持に不可欠である。一方，鉄は活性酸素産生を触媒し毒性を発揮することから，全身の鉄動態は厳密に調節される必要がある。最近，肝消化管からの鉄吸収を抑制する肝ヘプシジンの産生が，赤芽球から産生されるGDF15およびエリスロフェロンで制御されていることが明らかとなった。ところが …

Rinsho Ketsueki 61(7), 753-763, 2020

J-STAGE Ichushi Web
14

Grain growth at crystal/melt interface of multi-crystalline silicon [in Japanese]

Fujiwara Kozo

… Grain growth behaviors at a crystal/melt interface of multi-crystalline silicon are introduced in this article. … The importance of growth kinetics at a grain boundary groove on the grain growth behavior will be shown. …

Journal of the Japanese Association for Crystal Growth 47(2), n/a, 2020

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15

Effect of Silicon, Manganese and Heating Rate on the Ferrite Recrystallization Kinetics

Shah Vitesh , Krugla Monika , Offerman Sven Erik , Sietsma Jilt , Hanlon David Neal

… This study presents the effects of silicon (Si) and manganese (Mn) concentration and of heating rate on the ferrite recrystallization kinetics in seven model alloys with different Si and Mn concentrations, which are of relevance for the development of Advanced High Strength Steels (AHSS). … The recrystallization kinetics were studied with in-situ …

ISIJ International 60(6), 1312-1323, 2020

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16

Meat Native Lactic Acid Bacteria Capable to Inhibit Salmonella sp. and Escherichia coli

HERNÁNDEZ-AQUINO SAÚL , MALDONADO SIMÁN EMA DE JESÚS , MIRANDA-ROMERO LUIS ALBERTO , ALARCÓN ZUÑIGA BALDOMERO

… In this study, lactic acid bacteria (LAB) strains were isolated from ground beef, and it was analyzed if they have any effect on the growth of two reference bacteria (Salmonella sp. … These bacteria were selected to perform growth kinetics in co-culture to determine if they modify the growth parameters of the reference bacteria. …

Biocontrol Science 25(2), 107-112, 2020

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17

A simple method for modeling amyloid kinetics featuring position biased fiber breakage

Hall Damien

… This Note presents the derivation of the relevant equations and provides results showing the dramatic effects of position biased fiber breakage on the kinetics of amyloid growth. …

Biophysics and Physicobiology 17(0), 30-35, 2020

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18

Reduction Mechanism and Kinetics of a Low Grade Iron Ore-coal Composite Pellets Improved by Sodium Salt

Zhong Ronghai , Yi Lingyun , Huang Zhucheng , Jiang Xiong , Cai Wei

… Effects of the sodium salt addition on the reduction behavior and kinetics were researched. … SEM-EDS analysis of reduced samples revealed that sodium salt also enhanced the growth of newly formed metallic iron particles. …

ISIJ International 60(4), 649-655, 2020

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19

Kinetic studies on the expression of alginate and extracellular proteins by Pseudomonas aeruginosa FRD1 and PAO1

El-Helow Ehab R. , Atalla Ramy G. , Sabra Wael A. , Lotfy Walid A.

… requires a quantitative understanding of the relationship between bacterial growth kinetics and secretion of alginate and proteins, in addition to the ecological factors that control their synthesis. … For understanding the kinetics of expressing alginate and extracellular proteins by the cells, a well-controlled 5 L tank bioreactor was used. …

The Journal of General and Applied Microbiology 66(1), 15-23, 2020

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20

Crystallization Kinetics and Structure of CaF2–CaO–Al2O3–MgO–TiO2 Slag for Electroslag Remelting

Zheng Dingli , Shi Chengbin , Li Jing , Ju Jiantao

… The crystallization kinetics and structure of CaF2–CaO–Al2O3–MgO–TiO2 … originates from constant nucleation rate, interface reaction controlled and one-dimensional growth, irrespective of the TiO2 … The variation in slag structure is in agreement with the analysis of crystallization kinetics. …

ISIJ International 60(3), 492-498, 2020

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