• Title/Summary/Keyword: HKL

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Avoiding Hybrid Clauses Pitfalls: An Applied Framework

  • Lee, Arvin;Ma, Maggie
    • Journal of Arbitration Studies
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    • v.25 no.3
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    • pp.3-31
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    • 2015
  • This paper sets out a multi-dimensional approach that parties drafting a "hybrid clause" for their arbitration agreement can adopt, for purposes of maximizing enforceability, taking into account the multi-jurisdictional interplay between the seat Court, the governing law and the enforcement Court(s), as well as mandatory rules that can be present in the lex arbitrii, the governing law, and/or the law of the enforcement for a. This paper draws on both the co-authors' practice experience, as well as first principles of party autonomy in light of mandatory rules, based predominantly on the scholarship of Briggs and Nygh.

Stress Determination in Epitaxial Lead Titanate Films by Asymmetric X-ray Diffraction Method

  • Uchida, Hiroshi;Kiguchi, Takanori;Wakiya, Naoki;Shinozaki, Kazuo;Mizutani, Nobuyasu
    • The Korean Journal of Ceramics
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    • v.6 no.4
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    • pp.385-389
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    • 2000
  • Residual stresses in epitaxial films were measured by X-ray diffraction method. Lattice strains of the (hkl) planes measured along particular Ψ-angles were converted to the in-plane stress according to the equation of stress-strain tensor conversion. Residual tensile stresses were observed in epitaxial PbTiO$_3$ films deposited on (100) SrTiO$_3$ substrate. Tensile stresses approximately 0.9 GPa were measured in Pb-rich films, while it increased to approximately 2.0 GPa with the decreasing of Pb content in the case of Pb-poor films, which ascribed to the formation of lead and oxygen vacancies (expressed as x in Pb$_1-x$TiO$_3-x$).

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Preoperative Long Course Chemoirradiation in a Developing Country for Rectal Carcinoma: Kuala Lumpur Hospital Experience

  • Lee, Wei Ching;Yusof, Mastura Md.;Lau, Fen Nee;Ee Phua, Vincent Chee
    • Asian Pacific Journal of Cancer Prevention
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    • v.14 no.6
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    • pp.3941-3944
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    • 2013
  • Background: The use of preoperative chemoirradiation is the commonest treatment strategy employed in Malaysia for locally advanced rectal cancer. We need to determine the local control and survival rates for comparison with established rates in the literature. Materials and Methods: This retrospective study analyzed all newly diagnosed patients with rectal adenocarcinoma who underwent long course preoperative radiotherapy (RT) at the Department of Radiotherapy and Oncology, Kuala Lumpur Hospital (HKL) between $1^{st}$ January 2004 and $31^{st}$ December 2010. The aim of the study was to determine the radiological response post radiotherapy, pathological response including circumferential resection margin (CRM) status, 3 years local control, 3 years overall survival (OS) and 3 years disease free survival (DFS). Statistical analysis was performed using the SPSS software. Kaplan-Meier and log rank analysis were used to determine survival outcomes. Results: A total of 507 patients with rectal cancer underwent RT at HKL. Sixty seven who underwent long course preoperative RT were eligible for this study. The median age at diagnosis was 60 years old with a range of 26-78 years. The median tumour location was 6 cm from the anal verge. Most patients had suspicion of mesorectum involvement (95.5%) while 28.4% of patients had enlarged pelvic nodes on staging CT scan. All patients underwent preoperative chemo-irradiation except for five who had preoperative RT alone. Only 38 patients underwent definitive surgery (56.7%). Five patients were deemed to be inoperable radiologically and 3 patients were found to have unresectable disease intraoperatively. The remaining 21 patients defaulted surgery (31.3%). The median time from completion of RT to surgery was 8 weeks (range 5.6 to 29.4 weeks). Fifteen patients (39.5%) had surgery more than 8 weeks after completion of RT. Complete pathological response was noted in 4 patients (10.5%). The pathological CRM positive rate after RT was 18.4%. With a median follow-up of 38.8 months, the 3 year local control rate was 67%. The 3 years rate for CRM positive (<2 mm), CRM clear (>2 mm) and pCR groups were 0%, 88.1% and 100% respectively (p-value of 0.007). The 3 year OS and DFS were 57.3% and 44.8% respectively. Conclusions: In conclusion, the approach of long course preoperative chemoirradiation for rectal cancer needs to be re-examined in our local setting. The high rate of local recurrence is worrying and is mainly due to patient defaulting post-preoperative chemoirradiation or delayed definitive surgery.

A Study on Change of Texture During Thermal Cycling in Cu-Zn-AI Shape Memory Alloy (Cu-Zn-AI 형상기억 합금의 열사이클에 따른 집합조직의 변화에 관한 연구)

  • Hong, D.W.;Park, Y.K.
    • Journal of the Korean Society for Heat Treatment
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    • v.5 no.3
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    • pp.179-185
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    • 1992
  • The shape memory effect results from the martensite transfomation of each individual grain. Thus it is necessary to study the texture and its variation. In this study the change of texture during thermal cycling and it's effect on shape memory ability are investigated. The major component of the rolling texture in the parent phase is identified (001) [110], and minor components are (112) [110], (111) [112], {hkl}<100> fiber texture is developed at $45^{\circ}$ from rolling direction. In the case of martensite phase, it is estimated that the major component is (011) [100] and the minor components are (105) [501], (010) [101] and (100) [001]. According to thermal cycling. severity of texture, especially (001) [110] component in parent phase and (011) [100] component in martensite phase are increased. The shape memory ability is increased with increase of thermal cycles and also increased as the direction of specimen approach to $45^{\circ}$ from rolling direction. After first thermal cycling the temperature of transformation can be define clearly and Ms and As are raised by thermal cycling.

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Structure of Tetrapropionyloxycalix[4]arene (Tetrapropionyloxycalix[4]arene의 구조에 관한 연구)

  • 박영자;김현희
    • Korean Journal of Crystallography
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    • v.6 no.2
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    • pp.80-87
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    • 1995
  • The structure of Tetrapropionyloxycalix[4]arene(C40H40O8) has been studied by X-ray diffraction method. The crystal is monoclinic a=13.921(3), b=13.552(2), c=19.840(5)Å, β=110.38(2)°, Z=4 T=297K, Dc=1.23gcm-3, F(000)=1376, Systematic absences : hkl none, h0l : h+l=2n, 0k0: k=2n define space group P21/n. The structure was solved by direct method and refined by full-matrix least-squares methods to final R of 0.06 for 2514 observed reflections. The macrocycle exists in partial cone conformation. Three propionyl groups direct toward the exterior of the macrocycle cavity.

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Concealed Modular Hardware Keylogger Detection Methods (은닉된 모듈식 하드웨어 키로거 탐지 방안)

  • Park, Jae-kon;Kang, Sung-moon;Goh, Sung-cheol
    • Convergence Security Journal
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    • v.18 no.4
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    • pp.11-17
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    • 2018
  • Hardware Keyloggers are available in a variety of modular keylogger products with small size and Wi-Fi communication capabilities that can be concealed inside the keyboard. Such keyloggers are more likely to leak important information and sensitive information from government, military, business and individuals because they are difficult to detect if they are used by a third party for malicious purposes. However, unlike software keyloggers, research on security solutions and detection methods are relatively small in number. This paper, we investigate security vulnerability caused by hardware keylogger and existing detection methods, and improve the detection possibility of modular hardware keylogger through non-destructive measurement methods, such as power consumption of keyboard, infrared temperature, and X-ray. Furthenmore, We propose a method that can be done with experimental results.

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Superconducting properties and microstructure of electron beam irradiated MgB2 superconductors

  • Kim, C.J.;Lee, Y.J.;Cho, I.H.;Jun, B.H.
    • Progress in Superconductivity and Cryogenics
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    • v.24 no.1
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    • pp.18-22
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    • 2022
  • The effect of electron beam (EB) irradiation on superconducting properties and microstructures of MgB2 bulk superconductors were investigated. At E-beam doses of 1×1016 e/cm2 and 1×1017 e/cm2, the effect of irradiation on a superconducting transition temperature (Tc) of MgB2 was weak. As a dose increases to 5×1017 e/cm2, Tc decreases by 0.5 K. The critical current density (Jc) measured at 4.2 K and 20 K, and 0 T - 5 T increases slightly as exposure time increases. X-ray diffraction for the irradiation surface of MgB2 shows that the diffraction intensity of (hkl) peaks decreases proportionally as the exposure time increases. This indicates that the crystallinity of MgB2 was degraded by irradiation. TEM investigation for the irradiated sample showed distorted lattice structure, which is consistent with the XRD results. The Jc increase and Tc reduction of MgB2 by irradiation are believed to be caused by the lattice distortion.

Characteristics Change on the Surface of Pyrite by Bioleaching with Thiobacillus ferrooxidans(ATCC 19859) and Isolated Strain Thiobacillus KY (Thiobacillus ferrooxidans (ATCC 19859)와 분리균주 Thiobacillus KY에 의한 생물학적 침출에 따른 황철석의 표면 특성변화)

  • 이인화;기민희;김시욱
    • KSBB Journal
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    • v.15 no.3
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    • pp.254-261
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    • 2000
  • A bacterial leaching was conducted for pyrite with Thiobacillus ferrooxidans(ATcC 19859) and Thiobacillus KY isolated from acid mine water around Kwangyang area to characterize the surface of substrate as reaction progress at the optimum condition under 9K medium for 3- days. It was found that the surface crystallinity changes referred to hkl plane was observed for 20 days leached by T. ferrooxidans similar changes also observed for 10 days leached pyrite by Thiobacillus KY. Based on he results of SEM-EDS the atomic ratios of Fe, S and Si on the surface were changed to sulfur rich phase but exposed Si ratio decreased from 16.94% to 4.85% during 30days mainly due to reprecipitating of Fe and S as a mixed compound.

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The Analysis of Energy Character and Synthesis of Lithium-Carbon Intercalation Compounds (리튬-탄소층간화합물의 합성과 에너지 특성의 분석)

  • 오원춘;백대진;고영신
    • Journal of the Korean Crystal Growth and Crystal Technology
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    • v.3 no.2
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    • pp.167-175
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    • 1993
  • Lithium-Carbon Intercalation Compounds(Li-CICs) have been synthesized from various carbon ma-terials by use of the modified stainless steel two-bulbs methods. These compounds had various colours by structural character of starting materials. The synthesized Li-CICs were identified to stage formation process by X-ray diffraction data. At these results, well-oriented natural graphite and graphite fiber are formed lower stages(Stage 1, Stage 2), but poor-oriented carbon fiber and petroleum cokes are also formed higher stages(Stage 3, Stage 4, Stage 5). And when we compared with measured d value and calculated d value, these values agreed with each other. But poor-oriented carbon materials are some difference from them. The stage stability and energy stage of Li-CICs were obtained by UV/VIS Spectrophotometric data. X-ray diffraction and UV/VIS Spectrophotometric data suggested that well-oriented carbon materials has distingushible curve between energy and reflectance. In these results, we know that many charge carriers between carbon layers are related to concentration of intercalants. And then, this paper also provides information on high efficiency energy storing materials at intercalation process of Li-CICs.

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X-ray/gamma radiation shielding properties of Aluminium-Bariume-Zinc Oxide nanoparticles synthesized via low temperature solution combustion method

  • K.V. Sathish;K.N. Sridhar;L. Seenappa;H.C. Manjunatha;Y.S. Vidya;B. Chinnappa Reddy;S. Manjunatha;A.N. Santhosh;R. Munirathnam;Alfred Cecil Raj;P.S. Damodara Gupta;B.M. Sankarshan
    • Nuclear Engineering and Technology
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    • v.55 no.5
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    • pp.1519-1526
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    • 2023
  • For the first time Aluminium-BariumeZinc oxide nanocomposite (ZABONC) was synthesized by solution combustion method where calcination was carried out at low temperatures (600℃) to study the electromagnetic (EM) (X/γ) radiation shielding properties. Further for characterization purpose standard techniques like PXRD, SEM, UV-VISIBLE, FTIR were used to find phase purity, functional groups, surface morphology, and to do structural analysis and energy band gap determination. The PXRD pattern shows (hkl) planes corresponding to spinel cubic phase of ZnAl2O4, cubic Ba(NO3)2, α and γ phase of Al2O3 which clearly confirms the formation of complex nano composite. From SEM histogram mean size of nano particles was calculated and is in the order of 17 nm. Wood and Tauc's relation direct energy band gap calculation gives energy gap of 2.9 eV. In addition, EM (X/γ) shielding properties were measured and compared with the theoretical ones using standard procedures (NaI (Tl) detector and multi channel analyzer MCA). For energy above 356 keV the measured shielding parameters agree well with the theory, while below this value slight deviation is observed, due to the influence of atomic/crystallite size of the ZABONC. Hence synthesized ZABONC can be used as a shielding material in EM (X/γ) radiation shielding.