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박정자 ( Piao Zhenzi ),우경동 ( Yu Qingdong ) 한국정책연구원 2007 한국정책논집 Vol.7 No.-
이 논문은 중한수교이전과 이후 한국기업 대중국투자, 특히 청도지역의 한국기업투자 현황을 비교 분석하고 나아가 중국의 체제개혁과 정책변화 속에서 앞으로 한국기업이 대중국투자에서 주의해야 할 점을 검토하려는 것이다. 우선 한국기업 대중국투자의 노정을 4개 단계로 나누어서 시기별로 즉 발족과 시탐단계, 전면전개 고속도 성장단계, 위축 조절단계, 회복 발전단계의 특징을 분석한다. 그리고 한국기업이 가장 많이 집중되어 있는 청도지역을 중심으로 부동한 단계의 한국기업 투자항목, 실제투자액 및 산업분포 현황을 분석함과 아울러 한국의 대청도투자의 주요 특점 및 발전 추세를 총괄하고 청도지역의 한국투자 흡인과 우세 및 청도가 향후 중점적으로 해결해 나가야 할 과제를 분석한다. 마지막으로 한국기업이 대중국투자에 있어서 몇 가지 주의 점도 제시하고 있다. 연구방법은 문헌 분석과 당지 조사분석에 의존한다. Investment course of Korea enterprise in China has been reviewed. The characteristics and developing trend of Korea enterprise’s investment in China has been analyzed, Besides, the comparative advantage of Qingdao in attracting Korea Capital has been illustrated. Lastly some suggestions on investing in China for Korea enterprises have been put forward.
Adsorption of Methylene Blue from Aqueous Solution on Analcime Synthesized from Diatomite
( Zhang Yi ),( Jing Zhenzi ),( Tomohito Kameda ),( Toshiaki Yoshioka ) 한국폐기물자원순환학회(구 한국폐기물학회) 2015 한국폐기물자원순환학회 3RINCs초록집 Vol.2015 No.-
The adsorption of methylene blue from aqueous solution was studied by using hydrothermally synthesized analcime from diatomite at different temperatures. The linear Langmuir, Freundlich adsorption models were carried out to describe the equilibrium isotherms. In addition to that, the pseudo-first order and pseudo-second order were used to determine the kinetic data and the thermodynamic parameters were also calculated. These values showed that the adsorption of MB on analcime sample endothermic and was occurred spontaneously.
Junwei Yin,Zipeng Xing,Junyan Kuang,Zhenzi Li,Qi Zhu,Wei Zhou 한국공업화학회 2019 Journal of Industrial and Engineering Chemistry Vol.78 No.-
Surface engineering of Ag/Bi2MoO6 nanosheets/TiO2 nanobelts ternary heterostructures with dualoxygen vacancy defects are successfully synthesized though a hydrothermal-photodeposition methodcombined with high-temperature surface hydrogenation. Bi2MoO6 nanosheets are grown on surface ofTiO2 nanobelts to form heterojunctions, and Ag nanoparticles are decorated on their surfaces for surfaceplasmon resonance (SPR). After surface hydrogenation, oxygen vacancy not only appear on TiO2, but alsoon Bi2MoO6 to achieve dual oxygen vacancy defects for thefirst time. Under visible light irradiation, HAg-BMO/TiO2 shows excellent photodegradation of 93.7% for metribuzin, high photocatalytic H2evolution rate of 143.5 mmol h 1 g 1, and outstanding photoelectrochemical performance.
Guo Zhou,Haiyan Meng,Yan Cao,Xuejun Kou,Shuxiang Duan,Leilei Fan,Ming Xiao,Fangzhou Zhou,Zhenzi Li,Zipeng Xing 한국공업화학회 2018 Journal of Industrial and Engineering Chemistry Vol.64 No.-
The tiny Ag nanoparticles-uniformly decorated Ti3+ self-doped porous black TiO2 pillars (Ag-TPBTPs) are prepared, which show obvious surface plasmon resonance (SPR) and extend the photoresponse to visible light and near-infrared region (∼1500 nm). The Ag-TPBTPs exhibit excellent solar-driven photocatalytic activities by mineralizing of high-toxic 2,4-dichlorophenol (∼99%), which is three times higher than that of the pristine TiO2. The remarkable solar-driven photocatalytic performance can be ascribed to the porous pillars structure offering more surface active sites, the self-doped Ti3+ and SPR effect of Ag nanoparticles improving the utilization of solar light, and enhancing the spatial separation efficiency of photogenerated charge carriers.