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1

Tensile properties and deformation behavior of ferrite and austenite duplex stainless steel at cryogenic temperatures

Koga, Norimitsu, Nameki, Tatsuya, Umezawa, Osamu, Tschan, Valentin, Weiss, Klaus-Peter

Journal:

Materials Science and Engineering: A

Year:

2021

File:

PDF, 7.99 MB

2021

2

Deformation and Fracture Behavior in High Cycle Fatigue at Cryogenic Temperatures.

Nagai, Kotobu, Umezawa, Osamu, Ishikawa, Keisuke

Journal:

Bulletin of the Japan Institute of Metals

Year:

1991

File:

PDF, 19.25 MB

1991

3

Cryogenic Mechanical Properties of Ti-6Al-4V Alloys with Three Levels of Oxygen Content.

Nagai, Kotobu, Yuri, Tetsumi, Ogata, Toshio, Umezawa, Osamu, Ishikawa, Keisuke, Nishimura, Takashi, Mizoguchi, Takao, Ito, Yoshimasa

Journal:

ISIJ International

Year:

1991

Language:

english

File:

PDF, 1.25 MB

english, 1991

4

Crystallographic characterization of the middle shelf in a two-step ductile to brittle transition for a ferrite + pearlite structure steel sheet

Kawata, Hiroyuki, Umezawa, Osamu

Journal:

Materials Science and Engineering: A

Year:

2018

Language:

english

File:

PDF, 1.14 MB

english, 2018

5

A Review of Subsurface Crack Initiation Models in High-Cycle Fatigue for Titanium Alloys

Li, Wei Bo, Umezawa, Osamu

Journal:

Key Engineering Materials

Year:

2017

Language:

english

File:

PDF, 209 KB

english, 2017

6

Bioavailability and Dissolution Test of Commercial Carbamazepine Tablets

KANENIWA, NOBUYOSHI, UMEZAWA, OSAMU, WATARI, NOBUTOSHI, KAWAKAMI, KATSUMI, ASAMI, HIROKO, SUMI, MASAHIRO

Journal:

YAKUGAKU ZASSHI

Year:

1984

File:

PDF, 780 KB

1984

7

A Study on the Initial Atmospheric Corrosion Behaviors of Carbon Steel Exposed to Urban and Marine Atmospheres in Cambodia

To, Dara, Shinohara, Tadashi, Umezawa, Osamu

Journal:

Zairyo-to-Kankyo

Year:

2017

Language:

english

File:

PDF, 829 KB

english, 2017

8

Effect of Ions Eluted from Metal Surface on Transformation and Growth of Calcium Carbonate Polymorphisms

Hashimoto, Ryohei, Morita, Motoaki, Umezawa, Osamu, Motoda, Shinichi

Year:

2017

File:

PDF, 1.65 MB

2017

9

Tensile deformation of texture-controlled titanium with high oxygen content at room temperature

Morita, Motoaki, Suzuki, Shogo, Kato, Yaku, Li, Weibo, Umezawa, Osamu

Journal:

Materials Science and Engineering: A

Year:

2020

File:

PDF, 15.42 MB

2020

10

Preparation and Biological Activities of Optically Active Dehydroxymethylepoxyquinomicin, a Novel NF-ϰB Inhibitor.

Yoshikazu Suzuki, Chie Sugiyama, Osamu Ohno, Kazuo Umezawa

Journal:

Year:

2004

File:

PDF, 10 KB

2004

11

Effect of geometric factors on hydration kinetics of theophylline anhydrate tablets

Makoto Otsuka, Nobuyoshi Kaneniwa, Kuniko Otsuka, Katsumi Kawakami, Osamu Umezawa, Yoshihisa Matsuda

Journal:

Journal of Pharmaceutical Sciences

Year:

1992

Language:

english

File:

PDF, 436 KB

english, 1992

12

Phenomenological aspects of fatigue life and fatigue crack initiation in high strength alloys at cryogenic temperature

Osamu Umezawa, Keisuke Ishikawa

Journal:

Materials Science and Engineering: A

Year:

1994

Language:

english

File:

PDF, 767 KB

english, 1994

13

Isolation of Heptadepsin, a Novel Bacterial Cyclic Depsipeptide that Inhibits Lipopolysaccharide Activity

Osamu Ohno, Yoko Ikeda, Ryuichi Sawa, Masayuki Igarashi, Naoko Kinoshita, Yoshikazu Suzuki, Kensuke Miyake, Kazuo Umezawa

Journal:

Chemistry & Biology

Year:

2004

Language:

english

File:

PDF, 441 KB

english, 2004

14

Snoek-type damping behavior of surface oxidation-treated Ti–Mo alloys

Hui Lu, Chunxia Li, Fuxing Yin, Qianfeng Fang, Osamu Umezawa

Journal:

Materials Science and Engineering: A

Year:

2011

Language:

english

File:

PDF, 1.49 MB

english, 2011

15

The conformation of alkyl cyclohexanones and terpenic ketones. Interpretation for the ‘alkylketone effect’ based on the CH/π(CO) hydrogen bond

Osamu Takahashi, Katsuyoshi Yamasaki, Yuji Kohno, Youji Kurihara, Kazuyoshi Ueda, Yoji Umezawa, Hiroko Suezawa, Motohiro Nishio

Journal:

Year:

2008

Language:

english

File:

PDF, 903 KB

english, 2008

16

Asymmetric synthesis of α-methyl carboxylic acid derivatives. Stereochemistry in acidic ring opening of epoxides

Mitsuo Fukumasa, Keizo Furuhashi, Junko Umezawa, Osamu Takahashi, Toshihiro Hirai

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 251 KB

english, 1991

17

A fragmentation reaction of 4a-acetoxy-6-methoxy-2-methyl-7-oxo-1,2,3,4,4a,7-hexahydroisoquinoline

Hiroshi Hara, Toshifumi Akiba, Takanori Miyashita, Osamu Hoshino, Bunsuke Umezawa

Journal:

Tetrahedron Letters

Year:

1988

Language:

english

File:

PDF, 126 KB

english, 1988

18

Stereocontrol of a tertiary hydroxyl group via microbial epoxidation: A facile synthesis of prostaglandin ω-chains

Osamu Takahashi, Junko Umezawa, Keizo Furuhashi, Motoyoshi Takagi

Journal:

Tetrahedron Letters

Year:

1989

Language:

english

File:

PDF, 114 KB

english, 1989

19

Synthesis of anhydrolycorine and dimethylapoerysopine

Hiroshi Hara, Osamu Hoshino, Bunsuke Umezawa

Journal:

Tetrahedron Letters

Year:

1972

Language:

english

File:

PDF, 191 KB

english, 1972

20

The tetrahydroisoquinoline oxidative rearrangement

Hiroshi Hara, Machiko Hosaka, Osamu Hoshino, Bunsuke Umezawa

Journal:

Tetrahedron Letters

Year:

1978

Language:

english

File:

PDF, 201 KB

english, 1978

21

Reactions of N-methyl-4,7-diacethoxy-6-methoxy-1,2,3,4-tetrahydroisoquinoline with amines or thiols

Osamu Hoshino, Yasuhiro Yamanashi, Bunsuke Umezawa

Journal:

Tetrahedron Letters

Year:

1969

Language:

english

File:

PDF, 176 KB

english, 1969

22

Alcoholysis of N-methyl-4,7-diacetoxy-6-methoxy- 1,2,3,4-tetrahydroisoquinoline

Bunsuke Umezawa, Osamu Hoshino, Yasuhiro Yamanashi

Journal:

Tetrahedron Letters

Year:

1969

Language:

english

File:

PDF, 183 KB

english, 1969

23

Stereo- and regiocontrolled synthesis of fluorohydrins from optically active epoxides

Junko Umezawa, Osamu Takahashi, Keizo Furuhashi, Hiroyuki Nohira

Journal:

Tetrahedron: Asymmetry

Year:

1993

Language:

english

File:

PDF, 580 KB

english, 1993

24

Synthesis of optically active oxazolines from optically active epoxides

Junko Umezawa, Osamu Takahashi, Keizo Furuhashi, Hiroyuki Nohira

Journal:

Tetrahedron: Asymmetry

Year:

1994

Language:

english

File:

PDF, 676 KB

english, 1994

25

Distribution of extravasated serum protein after cryoinjury in neonatal and adult rat brains

Michiyasu Suzuki, Yuzo Iwasaki, Kunihiko Umezawa, Osamu Motohashi, Naoki Shida

Journal:

Acta Neuropathologica

Year:

1995

Language:

english

File:

PDF, 1.86 MB

english, 1995

26

Effects of partial recrystallization on high-cycle fatigue deformation and crack generation of a nitrogen-strengthened 32Mn-7Cr austenitic steel at liquid-nitrogen temperature

Journal:

Metallurgical and Materials Transactions A

Year:

2004

Language:

english

File:

PDF, 2.19 MB

english, 2004

27

Effects of Fe Addition on the Snoek-Type Damping Behavior of Surface-Oxidation-Treated Ti-Mo Alloys

Hui Lu, Chunxia Li, Fuxing Yin, Qianfeng Fang, Osamu Umezawa

Journal:

Metallurgical and Materials Transactions A

Year:

2011

Language:

english

File:

PDF, 674 KB

english, 2011

28

Effects of test temperature on internal fatigue crack generation associated with nonmetallic particles in austenitic steels

Osamu Umezawa, Kotobu Nagai

Journal:

Metallurgical and Materials Transactions A

Year:

1998

Language:

english

File:

PDF, 2.00 MB

english, 1998

29

Deformation structure and subsurface fatigue crack generation in austenitic steels at low temperature

Osamu Umezawa, Kotobu Nagai

Journal:

Metallurgical and Materials Transactions A

Year:

1998

Language:

english

File:

PDF, 4.31 MB

english, 1998

30

Microstructural refinement of an As-cast Al-12.6 wt pct Si alloy by repeated thermomechanical treatment to produce a heavily deformable material

Osamu Umezawa, Kotobu Nagai

Journal:

Metallurgical and Materials Transactions A

Year:

1999

Language:

english

File:

PDF, 1.41 MB

english, 1999

31

The anomeric effect revisited. A possible role of the CH/n hydrogen bond

Osamu Takahashi, Katsuyoshi Yamasaki, Yuji Kohno, Ryuta Ohtaki, Kazuyoshi Ueda, Hiroko Suezawa, Yoji Umezawa, Motohiro Nishio

Journal:

Carbohydrate Research

Year:

2007

Language:

english

File:

PDF, 203 KB

english, 2007

32

Preparation and biological activities of optically active dehydroxymethylepoxyquinomicin, a novel NF-κB inhibitor

Yoshikazu Suzuki, Chie Sugiyama, Osamu Ohno, Kazuo Umezawa

Journal:

Year:

2004

Language:

english

File:

PDF, 185 KB

english, 2004

33

Corrigendum to “The conformation of alkyl cyclohexanones and terpenic ketones. Interpretation for the ‘alkylketone effect’ based on the CH/π(CO) hydrogen bond” [Tetrahedron 64(10) (2008) 2433–2440]

Osamu Takahashi, Katsuyoshi Yamasaki, Yuji Kohno, Youji Kurihara, Kazuyoshi Ueda, Yoji Umezawa, Hiroko Suezawa, Motohiro Nishio

Journal:

Year:

2009

Language:

english

File:

PDF, 66 KB

english, 2009

34

A synthesis of (±)-Δ2-α-Lycoren-7-one, the key intermediate for the total synthesis of (±)-lycorine

Bunsuke Umezawa, Osamu Hoshino, Shohei Sawaki, Haruki Sashida, Kazuhiko Mori, Yoshinori Hamada, Katsumi Kotera, Yoichi Iitaka

Journal:

Year:

1984

Language:

english

File:

PDF, 923 KB

english, 1984

35

Immobilized lipase catalyzed hydrolysis of labile acetate:enantioselective hydrolysis of (±)-4-acetoxy-1,2,3,4-tetrahydro-6,7-dimethoxy-2-methylisoquinoline

Osamu Hoshino, Katsuhiko Itoh, Bunsuke Umezawa, Hiroyuki Akita, Takeshi Oishi

Journal:

Tetrahedron Letters

Year:

1988

Language:

english

File:

PDF, 140 KB

english, 1988

36

A new microbial metabolite phosphoramidon (Isolation and structure)

Sumio Umezawa, Kuniaki Tatsuta, Osamu Izawa, Tsutomu Tsuchiya, Hamao Umezawa

Journal:

Tetrahedron Letters

Year:

1972

Language:

english

File:

PDF, 236 KB

english, 1972

37

Molecular mechanisms regulating dissociation of cell–cell junction of epithelial cells by oxidative stress

Junko Inumaru, Osamu Nagano, Eri Takahashi, Takatsugu Ishimoto, Satoshi Nakamura, Yoshimi Suzuki, Shin-ichiro Niwa, Kazuo Umezawa, Hidenobu Tanihara, Hideyuki Saya

Journal:

Year:

2009

Language:

english

File:

PDF, 6.36 MB

english, 2009

38

Inhibition of Lipopolysaccharide Activity by a Bacterial Cyclic Lipopeptide Surfactin

Takahashi, Taichi, Ohno, Osamu, Ikeda, Yoko, Sawa, Ryuichi, Homma, Yoshiko, Igarashi, Masayuki, Umezawa, Kazuo

Journal:

The Journal of Antibiotics

Year:

2006

Language:

english

File:

PDF, 602 KB

english, 2006

39

A Simple Synthesis of Isopavine Alkaloid, (±)-O-Methylthalisopavine and (±)-Reframine

Umezawa, Bunsuke, Hoshino, Osamu, Taga, Michinori

Journal:

Year:

1973

Language:

english

File:

PDF, 77 KB

english, 1973

40

Purification and properties of an enzyme reducing leupeptin acid to leupeptin

Kayoko Suzukake, Makoto Hori, Osamu Tamemasa, Hamao Umezawa

Journal:

Biochimica et Biophysica Acta (BBA) - Enzymology

Year:

1981

Language:

english

File:

PDF, 460 KB

english, 1981

41

An alternative synthesis of (.+-.)-.alpha.- and (.+-.)-.gamma.-lycoranes

Umezawa, Bunsuke, Hoshino, Osamu, Sawaki, Shohei, Sato, Seiichi, Numao, Naganori

Journal:

Journal of Organic Chemistry

Year:

1977

Language:

english

File:

PDF, 580 KB

english, 1977

42

Inhibition of brain prostaglandin d synthetase and prostaglandin D2 dehydrogenase by some saturated and unsaturated fatty acids

Osama Hiroyoshi, Narumiya Shuh, Hayaishi Osamu, Iinuma Hironobu, Takeuchi Tomio, Umezawa Hamao

Journal:

Biochimica et Biophysica Acta (BBA) - Lipids and Lipid Metabolism

Year:

1983

Language:

english

File:

PDF, 888 KB

english, 1983

43

Theoretical investigations of interstitial atoms in bcc metals: Local lattice distortion and diffusion barrier

Chun-Xia Li, Hu-Bin Luo, Qing-Miao Hu, Fu-Xing Yin, Osamu Umezawa, Rui Yang

Journal:

Computational Materials Science

Year:

2012

Language:

english

File:

PDF, 250 KB

english, 2012

44

Fabrication of Ni3Al thin foil by cold-rolling

Masahiko Demura, Yozo Suga, Osamu Umezawa, Kyosuke Kishida, E.P George, Toshiyuki Hirano

Journal:

Year:

2001

Language:

english

File:

PDF, 2.14 MB

english, 2001

45

Inhibition of brain tryptophan 5-monooxygenase by aquayamycin

Osamu Hayaishi, Sachiko Okuno, Hitoshi Fujisawa, Hamao Umezawa

Journal:

Biochemical and Biophysical Research Communications

Year:

1970

Language:

english

File:

PDF, 393 KB

english, 1970

46

Pituitary apoplexy caused by endocrine stimulation tests: a case report

Osamu Okuda, Hitoshi Umezawa, Makoto Miyaoka

Journal:

Surgical Neurology

Year:

1994

Language:

english

File:

PDF, 470 KB

english, 1994

47

2,5-dihydro-L-phenylalanine: A competitive inhibitor of indoleamine 2,3-dioxygenase and tryptophan 2,3-dioxygenase

Yasuyoshi Watanabe, Motokazu Fujiwara, Osamu Hayaishi, Tomio Takeuchi, Hamao Umezawa

Journal:

Biochemical and Biophysical Research Communications

Year:

1978

Language:

english

File:

PDF, 311 KB

english, 1978

48

A Convenient Preparation of Certain N, Ndialkylcarbamoyl Chlorides

Hoshino, Osamu, Saito, Keiji, Ishizaki, Miyuki, Umezawa, Bunsuke

Journal:

Synthetic Communications

Year:

1987

Language:

english

File:

PDF, 176 KB

english, 1987

49

Lattice parameters and relative stability of α″ phase in binary titanium alloys from first-principles calculations

Li, Chun-Xia, Luo, Hu-Bin, Hu, Qing-Miao, Yang, Rui, Yin, Fu-Xing, Umezawa, Osamu, Vitos, Levente

Journal:

Solid State Communications

Year:

2013

Language:

english

File:

PDF, 1.25 MB

english, 2013

50

Combined effect of dehydroxymethylepoxyquinomicin and gemcitabine in a mouse model of liver metastasis of pancreatic cancer

Suzuki, Keiichi, Aiura, Koichi, Matsuda, Sachiko, Itano, Osamu, Takeuchi, Osamu, Umezawa, Kazuo, Kitagawa, Yuko

Journal:

Clinical and Experimental Metastasis

Year:

2013

Language:

english

File:

PDF, 694 KB

english, 2013

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