Jun Bong Yang

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The effects of Cu-doping on the structural, magnetic, and transport properties of La0.7Sr0.3Mn1−xCuxO3 (0 ≤ x ≤ 0.20) have been studied using neutron diffraction, magnetization and magnetoresistance(MR) measurements. All samples show the rhombohedral structure with the R3c space-group from 10K to room temperature(RT). Neutron diffraction data suggest that(More)
Observations on gastric acid secretion, plasma gastrin and prostaglandin E1 in patients with peptic ulcer disease were made after giving acupuncture with Na Ja Fa. The relationship between the chosen points and their effects was also discussed so as to provide more evidence to evaluate and practice the traditional chronoacupuncture more accurately. The(More)
The uniaxial intermetallic compounds of L10-FePt and the low temperature NiAs structure of MnBi are suitable alloys for application as high-density recording materials or as high-coercivity permanent magnets. Single domain particles of these materials are characterized by coercive fields above 1 T over a large temperature range. In particular MnBi shows a(More)
In this study, we evaluated the efficacy of a novel method of seminal vesicle (SV) preparation-ring preparation method-in isolated SV experiments in the rat. Rat SVs were prepared as strips and rings and applied to organ baths. The relaxation responses by sodium nitroprusside or doxazosin and contractile responses by electrical field stimulation (EFS) were(More)
Vast experiments have demonstrated that the external specimen size makes a large difference in the deformation behavior of crystalline materials. However, as one important kind of internal planar defects, the role of grain boundary (GB) in small scales needs to be clarified in light of the scarce and inconsistent experimental results at present. Through(More)
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