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ESR 및 ESEM을 이용한 MnAPSO-34 Mn(Ⅱ)의 골격치환에 대한 분광학적 증거
백건호 昌原大學校 基礎科學硏究所 1998 基礎科學硏究所論文集 Vol.10 No.-
Electron Spin Echo modulation analysis of 0.1 mole of MnAPSO-34 with adsorbed D₂O shows two deuteriums at 0.29 nm and two at 0.30 nm from Mn. At low manganese content (0.05 mole %) in MnH-SAPO-34 with adsorbed D₂O shows four deuteriums at 0.31 nm and two at 0.31 nm from Mn. This suggests that two waters hydrate an MnO₄ configuration with a D-O bond orientation for the waters as expected for a negatively charged site. The framework incorporation in MnAPSO-34 is confirmed by a three-pulse ESEM study of deuterium modulation resulting from interactions of deuterated adsorbates with manganese which indicates that the manganese occupies a negative charged site in MnAPSO-34.
4-(p-dimethylaminobenzeneazo)phenylmercuric dithizonate의 합성 및 염료로서의 적합성 연구
백건호,임남수 國立 昌原大學校 基礎科學硏究所 1994 基礎科學硏究所論文集 Vol.6 No.-
1:1 Complex of organomercury cation HgR^(+) (Ⅰ; R= 4-(p-dimethylamino benzeneazo)phenyl, Ⅱ; R=p-N, N-dimethylaminophenyl) and dithizone have been prepared, characterized, and examined for their photochemical and phototropic behavior in solution and thermal stability for their solid state with IR, Visible, NMR spectrophotometer, DSC, TGA. The photochemical stability of 4-(p-dimethylaminobenzeneazo)phenylmercuric dithizonate in n-propyl alcohol and thermal stability for the solid state were better than those of p-N, N-dimethylaminophenylmercuric dithizonate.
ESR 및 ESEM을 이용한 VH-SAPO-11의 V(IV)화학종, 위치 및 흡착상호작용에 관한 연구
백건호,백승찬 昌原大學校 基礎科學硏究所 2002 基礎科學硏究所論文集 Vol.14 No.-
Vanadium-doped H-SAPO-11 samples were prepared by a high-temoerature solid-state reaction between SAPO-11 and the paramagentic V(IV) species and characterized carefully by ESR and Electron Spin-Echo Modulation(ESEM) studied. However,subsequent oxidation result weak paramagnetic V(IV) species,subsequent activation results in the formation of V(IV)species exist as vanadyl ion either as (V(IV)O)^2+ or V^4+. The (V(IV)O^2+ species seem more probable because of the following reasons.Since SAPO-11 have a low negative framework charge^32,more positively charged species, like V^4+ are not as easily stabilized.Tetravalent vanadium ion can only be observed at or below 77 K, the activated sample of VH-SAPO-11 can be measured even at room temperature. After adsorption of methanol, ethano, propanol, only one molecule coordinates to (V(IV)O)^2+ was observed in ESR and ESEM spectra.
폴리에스테르 섬유에 응용되는 수은 디티존계 분산염료의 합성 및 Photochromism에 관한 연구
백건호 國立昌原大學校 基礎科學硏究所 1992 基礎科學硏究所論文集 Vol.3 No.-
1. Kubelka-Munk 식을 이용하여 polyester 섬유에 염색되는 양을 결정하고 최대 염착량은 pH를 변화 시켜 H₂N- ??? -Hg-HDZ분산 염료의 경우에는 3.68%, H₂N-??? -Hg-HDZ 분산 염료의 경우에는 3.06%를 얻었다. 2. 시료의 열안정 조건을 구하고 습윤제를 가하여 염색 조건을 결정하였으며 염색조건을 평가하기 위한 세탁견로도는 10-20회 세탁후 변퇴의 경우 3급 복합시편의 오염정도는 Nylon은 4-5급 Wool인 경우 5급이었다. 3. 가시광선 조사 후 소색 속도를 측정하여 H₂N-???-Hg-HDZ인 경우 1시간, H₂N-???-HDZ의 경우에는 1.5시간을 얻었다.
중국 WTO 가입 이후 시장환경 변화에 따른 마케팅 전략
백건호 계명대학교 국제학연구소 2003 국제학논총 Vol.8 No.-
As Chinese economy having been globalizing rapidly since she had obtained a membership of WTO at the end of 2001, FDI to China has also been growing up to the volume of more than 5million dollars per year and FEIs in China has begun to shift their strategies from localization to globalization at view point of macro perspectives. But, we can find more localized responses in terms of micro levels such as marketing, leadership, HRM etc. This paper is going to suggest a hypothesis that the more globalized the business environment in China, the more localized elaborations to be needed for FIEs to respond to the Characteristic of the China market, which is beginning to intergrate into the global market. Actually, more than 300s MNEs of world big 500s have committed their core resources such as R&D center and marketing center as well as strategic center for global market. It means that the globalization of China market has made FIEs to take their commitment strategy to shift core competences into China, namely localization in terms of core resources deployment. It is quite natural that the more core resources shifted, the more localizing the administrative management of chinese subsidiaries needed. This paper insist that the localization of 4Ps is quite essential for the FIEs to succeed and survive in the China market, especially product/price localization in terms of differentiation with low cost, integration & networking of distribution channel with SCM & CRM, local brand naming are the core competence to compete in the China market. This paper suggest the firms who whish to succeed in the China market must be aware that the characteristic of China market is fast changing, segmented and differentiated according to regions and income levels etc.
EPR 및 ESEM을 이용한 VH-SAPO-34의 V(IV)화학종, 위치 및 흡착상호작용에 관한 연구
백건호 昌原大學校 基礎科學硏究所 1995 基礎科學硏究所論文集 Vol.7 No.-
A solid state reaction of VOSO₄XH₂O and ?? with as-synthesized SAPO-34 generates paramagnetic V(IV) species. However, subsequent oxidation results weak paramagnetic V(IV) species. However, subsequent oxidation results weak paramagnetic V(IV) species, subsequent activation results in the formation of V(IV) species which are characterized by ESR. The ESR and ESEM results indicates that the V(IV) species exist as vanadly ion either as ?? or ??. The ?? species seem more probable because of the following reasons. Since SAPO-34 have a low negative framework ??, more positively charged species, like ?? are not as easily stabilized. Tetravalent vanadium ion can only be observed at or below 77K, the activated sample of VH-SAPO-34 can be measured even at room temperature. After adsorption of methanol, ethanol, propanol or ethene, EPR and ESEM data show that only one molecule coordinates to ?? respectively.
白建鎬 國立 昌原大學校 産業技術硏究所 1987 産技硏論文集 Vol.1 No.-
1. 농축인자는 레이저 펄스수에 따라 지수함수적으로 증가하며 펄스당 분해율은 CF2Cl₂/O₂ 계에서는 8.8×10-4 으로 Fettweiss등의 실험치 6.3×10-4보다 높은 값을 나타내었다. 2. 시료(CF2Cl₂)의 압력을 고정시키고 라디칼 스캐벤저(O₂, NO)의 압력을 증가시키므로서 최대농축인자 최적 혼합비(CF2Cl₂/O₂ 계 50/150, CF2Cl₂/NO 계 50/200)를 구하였다. 3. 레이저 조사파장을 변화시켜서 동위원소 농축인자(β13, β37)를 측정하여 최적파장(10.6㎛ P38)을 구하였다. 4. 이와 같이 얻은 최적파장, 최적 혼합비에서 펄스수 2,500에서 최대 농축인자 β13=10, β37=1.6을 각각 얻었다. 5. 광 반응 생성물을 분석하여 CF2Cl₂/O₂ 및 CF2Cl₂/NO계의 광 반응 기구를 제안하였다. The isotope(C13, Cl37) separation in the CF₂Cl₂/O₂ and CF₂Cl₂/O₂ and CF₂Cl₂/NO systems was investigated by employing TEA CO₂ laser in a static cell. The exponential behavior of enrichment factor (β) versus pulse number (N) was found and the dissociation rate per pulse for CF₂Cl₂/O₂ system was 8.8×10-4. The optimum mixing ratios, 50/150 for CF₂Cl₂/O₂ system and 50/200 for CF₂Cl₂/NO system, were obtained by increasing the pressure of radical scavengers (O₂ or NO) at constant pressure of sample CF₂Cl₂). The optimum wave length of 10.6㎛ P38 was obtained by observing C13 isotope enrichment factor at various induced laser wave-lengths. The enrichment factors obtained at the optimum experimental conditions (wave-length, mixing ratio) were β13=10, β37=1.6. The mechanism of the photochemical reactions for the CF₂Cl₂/O₂ and CF₂Cl₂/NO systems were proposed on the basis of the reaction products.