User profiles for T. Sakai

Takamasa Sakai

- Verified email at g.ecc.u-tokyo.ac.jp - Cited by 9295

Tetsuro Sakai, MD, PhD, MHA

- Verified email at upmc.edu - Cited by 7153

[HTML][HTML] Dynamic and post-dynamic recrystallization under hot, cold and severe plastic deformation conditions

T Sakai, A Belyakov, R Kaibyshev, H Miura… - Progress in materials …, 2014 - Elsevier
… In this case, the subgrain misorientations gradually increase until they attain HAB values
at all homologous temperatures T/T m from 0 to 1. This type of process is referred to as cDRX …

⌈ Pectin, pectinase, and protopectinase: production,⌈ properties, and applications

T Sakai, T Sakamoto, J Hallaert… - Advances in applied …, 1993 - Elsevier
Publisher Summary This chapter discusses the applications, properties, and production of
pectin, pectinase, and protopectinase. Pectic substances are acid polysaccharides of high …

Type II collagen degradation and its regulation in articular cartilage in osteoarthritis

…, S Laverty, F Mwale, T Kojima, T Sakai… - Annals of the …, 2002 - ard.bmj.com
(OA) as well as in rheumatoid arthritis (RA) and other inflammation arthritides. It leads to a
loss of joint function, frequently accompanied by debilitating pain. In idiopathic OA this is a …

Overview no. 35 dynamic recrystallization: mechanical and microstructural considerations

T Sakai, JJ Jonas - Acta Metallurgica, 1984 - Elsevier
… B pit unique est provoquC par la re-cristallisation en “collier” ou en “cascade” des matetiaux
B gros grains, qui conduit a une grande dispersion dans la deformation de germination t, et …

Novel ultra-high straining process for bulk materials—development of the accumulative roll-bonding (ARB) process

Y Saito, H Utsunomiya, N Tsuji, T Sakai - Acta materialia, 1999 - Elsevier
A novel intense plastic straining process named accumulative roll-bonding (ARB) is proposed.
First, a strip is neatly placed on top of another strip. The two layers of material are joined …

“Nonswellable” hydrogel without mechanical hysteresis

…, Y Akagi, Y Kayasuga-Kariya, U Chung, T Sakai - Science, 2014 - science.org
… Q t = V t /V t_0 × 100, where V t is the volume of the … ratios of the thermoresponsive (Q t ) and
swollen phases (Q … 40C (W t ) is an intrinsic value for each chemical compound (W t ≈ 12%) …

Ultra-fine grained bulk aluminum produced by accumulative roll-bonding (ARB) process

Y Saito, N Tsuji, H Utsunomiya, T Sakai, RG Hong - Scripta materialia, 1998 - Elsevier
Results Fig. 2 shows the change in mechanical properties of the ARBed aluminum. The
tensile strength increased with increasing number of cycles or strain. Surprisingly it reached …

Color information for region segmentation

YI Ohta, T Kanade, T Sakai - Computer graphics and image processing, 1980 - Elsevier
In color image processing various kinds of color features can be calculated from the tristimuli
R, G, and B. We attempt to derive a set of effective color features by systematic experiments …

Autologous transplantation of bone marrow cells improves damaged heart function

…, RK Li, RD Weisel, DAG Mickle, EJ Kim, T Sakai… - Circulation, 1999 - Am Heart Assoc
Background—Autologous bone marrow cells (BMCs) transplanted into ventricular scar
tissue may differentiate into cardiomyocytes and restore myocardial function. This study …

Low energy hadron physics in holographic QCD

T Sakai, S Sugimoto - Progress of Theoretical Physics, 2005 - academic.oup.com
… This system is T-dual to the D3/D9/D9 system considered in Ref. 28), with one difference
being that along the S1 cycle where the T-duality is taken, we impose antiperiodic boundary …