RISS 학술연구정보서비스

검색
다국어 입력

http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.

변환된 중국어를 복사하여 사용하시면 됩니다.

예시)
  • 中文 을 입력하시려면 zhongwen을 입력하시고 space를누르시면됩니다.
  • 北京 을 입력하시려면 beijing을 입력하시고 space를 누르시면 됩니다.
닫기
    인기검색어 순위 펼치기

    RISS 인기검색어

      검색결과 좁혀 보기

      선택해제
      • 좁혀본 항목 보기순서

        • 원문유무
        • 원문제공처
          펼치기
        • 등재정보
          펼치기
        • 학술지명
          펼치기
        • 주제분류
          펼치기
        • 발행연도
          펼치기
        • 작성언어
        • 저자
          펼치기

      오늘 본 자료

      • 오늘 본 자료가 없습니다.
      더보기
      • 무료
      • 기관 내 무료
      • 유료
      • KCI등재

        The Antecedent Factors Influencing Long-term Relationship Orientation in Overseas B2B Markets

        Hao Zhang(Hao Zhang),Yeung-Kurn Park(Yeung-Kurn Park),Xueting Zhang(Xueting Zhang) 한국무역연구원 2022 무역연구 Vol.18 No.6

        Purpose – Based on the past overseas business experiences of China Business to Business (B2B) enterprises, this study focuses on the influence of relationship marketing factors on the long-term relationship orientation of trading partners. First, this study discusses whether the relationship marketing factors in B2B environment-information sharing, customer orientation and interdependence will lead to the relationship satisfaction of enterprise customers. Then, it discusses whether relationship satisfaction leads to long-term relationship orientation of corporate customers. Finally, the mediating role of relationship satisfaction between relationship marketing factors and long-term relationship orientation is analyzed. Design/Methodology/Approach – The data were collected through questionnaires, and the persons in charge of sales and purchases of 350 B2B enterprises in China were investigated. Finally, 296 valid questionnaires were used for research and analysis. Findings – The analysis results of this study are summarized as follows: First, this study reveals the positive influence of relationship marketing factors such as information sharing, customer orientation and interdependence on relationship satisfaction. Second, relationship satisfaction is confirmed to have a positive impact on long-term relationship orientation. Third, the analysis of the mediating effect of relationship satisfaction shows that “relationship marketing factors lead to long-term relationship orientation through relationship satisfaction. Research Implications – This study confirms that information sharing, customer orientation, and interdependence are key factors that shape relationship satisfaction. Managers of B2B companies should have a clear understanding of relationship marketing. All policies and behaviors of an enterprise must be guided by the interests and needs of enterprise customers and ran through the entire process of production and marketing. Enterprises should strengthen two-way communication with corporate customers to understand each other’s needs and gradually form interdependent relationships with corporate customers. They should provide customers with comprehensive and thoughtful services, so that they can have a sense of identity and belonging to the enterprise, and then achieve relationship satisfaction and be willing to maintain a long-term relationship.

      • Preparation of Octadecylamine-Graphene/MgCl<sub>2</sub>-Supported Ziegler-Natta Catalyst and Its Application in Ethylene Polymerization

        Zhang, Hao,Liu, Jing-Sheng,Zhang, He-Xin,Ko, Eun-Bin,Park, Jae-Hyeong,Moon, Young-Kwon,Shin, Byeong-Kwang,Zhang, Xue-Quan,Yoon, Keun-Byoung American Scientific Publishers 2018 Journal of Nanoscience and Nanotechnology Vol.18 No.4

        <P>A facile coagglomeration method for preparing a long alkyl chain modified graphene oxide (MGO)/MgCl2-supported Ti-based Ziegler-Natta catalyst was reported. The effects of MGO on the catalyst morphology and activity for ethylene polymerization were examined. The resultant polyethylene (PE)/MGO nanocomposites exhibited a layered morphology, with the MGO fillers being well dispersed and exhibiting strong interfacial adhesion to the PE matrix. The thermal stability and mechanical properties of the PE were significantly enhanced with the introduction of a small amount of the MGO filler. Thus, this work provides a facile approach to the production of high-performance PE.</P>

      • SCISCIESCOPUS

        Facile preparation of functionalized MoS<sub>2</sub>/polyethylene nanocomposites through in situ polymerization with MoS<sub>2</sub> containing Ziegler–Natta catalyst

        Zhang, Hao,Moon, Young-Kwon,Zhang, Xue-Quan,Liu, Jing-Sheng,Zhang, He-Xin,Yoon, Keun-Byoung Pergamon Press 2017 European polymer journal Vol.87 No.-

        <P><B>Abstract</B></P> <P>A facile method for preparing polyethylene (PE)/octadecylamine-functionalized MoS<SUB>2</SUB> (ODA-MoS<SUB>2</SUB>) nanocomposites through in situ polymerization with an ODA-MoS<SUB>2</SUB>-MgCl-TiCl<SUB>4</SUB> catalyst was developed. The catalyst was synthesized simply by the treatment of ODA-MoS<SUB>2</SUB> with a Grignard reagent, followed by anchoring of a TiCl<SUB>4</SUB> catalyst. The resulting catalyst exhibited higher activity toward ethylene polymerization than did an ODA-MoS<SUB>2</SUB>-free catalyst. After polymerization, the resultant PE/ODA-MoS<SUB>2</SUB> nanocomposites reproduced the catalyst morphology, showing a flaked morphology. In addition, the thermal stability and mechanical properties of PE were significantly enhanced by the introduction of ODA-MoS<SUB>2</SUB> fillers. These properties could result from the good dispersion and strong interfacial adhesion of ODA-MoS<SUB>2</SUB> fillers and the PE matrix.</P> <P><B>Highlights</B></P> <P> <UL> <LI> PE/ODA-MoS<SUB>2</SUB> nanocomposites were successful synthesized through in-situ polymerization. </LI> <LI> The resultant nanocomposites had a layered morphology. </LI> <LI> The ODA-MoS<SUB>2</SUB> fillers well dispersed in the PE matrix with strong interfacial adhesion. </LI> <LI> The thermal stability and mechanical properties of PE were significantly enhanced with the addition of ODA-MoS<SUB>2</SUB>. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>

      • KCI등재

        Supplementation of guanidinoacetic acid and rumen-protected methionine increased growth performance and meat quality of Tan lambs

        Zhang Jian Hao,Li Hai Hai,Zhang Gui Jie,Zhang Ying Hui,Liu Bo,Huang Shuai,Guyader Jessie,Zhong Rong Zhen 아세아·태평양축산학회 2022 Animal Bioscience Vol.35 No.10

        Objective: Tan lambs (n = 36, 3 mo old, 19.1±0.53 kg) were used to assess effects of dietary guanidinoacetic acid (GAA) and rumen-protected methionine (RPM) on growth performance, carcass traits, meat quality, and serum parameters. Methods: Lambs were randomly assigned to three treatment groups, with 6 pens per group and 2 lambs per pen. Dietary treatments were: basal diet alone (I); basal diet supplemented with 0.08% GAA+0.06% RPM (II); and basal diet supplemented with 0.08% GAA+0.08% RPM (III). Diets were provided three times a day for 90 d. Intake per pen was recorded daily and individual lamb body weight (BW) was measured monthly. Carcass traits were measured after slaughter and meat quality at the end of the experiment, blood samples were taken on a subgroup of lambs for analysis of indicators mostly related to protein metabolism. Results: Final BW and average daily gain for the first and second month, and for the entire experiment were greater in Treatment II compared to Treatment I (p<0.05), whereas feed to gain ratio was lower (p<0.05). Treatment II had the optimal dressing percentage and net meat weight proportion, as well as crude protein and intramuscular fat concentrations in muscles. Treatment II improved meat quality, as indicated by the greater water holding capacity, pH after 45 min and 48 h, and lower shear force and cooking loss. Dietary supplementation of GAA and RPM also increased the meat color a* and b* values at 24 h. Finally, Treatment II increased total protein, and serum concentrations of albumin and creatinine, but decreased serum urea nitrogen concentrations, indicating improved protein efficiency. Conclusion: In this study, 0.08% GAA+0.06% RPM supplementation improved growth performance and meat quality of Tan lambs. Objective: Tan lambs (n = 36, 3 mo old, 19.1±0.53 kg) were used to assess effects of dietary guanidinoacetic acid (GAA) and rumen-protected methionine (RPM) on growth performance, carcass traits, meat quality, and serum parameters.Methods: Lambs were randomly assigned to three treatment groups, with 6 pens per group and 2 lambs per pen. Dietary treatments were: basal diet alone (I); basal diet supplemented with 0.08% GAA+0.06% RPM (II); and basal diet supplemented with 0.08% GAA+0.08% RPM (III). Diets were provided three times a day for 90 d. Intake per pen was recorded daily and individual lamb body weight (BW) was measured monthly. Carcass traits were measured after slaughter and meat quality at the end of the experiment, blood samples were taken on a subgroup of lambs for analysis of indicators mostly related to protein metabolism.Results: Final BW and average daily gain for the first and second month, and for the entire experiment were greater in Treatment II compared to Treatment I (p<0.05), whereas feed to gain ratio was lower (p<0.05). Treatment II had the optimal dressing percentage and net meat weight proportion, as well as crude protein and intramuscular fat concentrations in muscles. Treatment II improved meat quality, as indicated by the greater water holding capacity, pH after 45 min and 48 h, and lower shear force and cooking loss. Dietary supplementation of GAA and RPM also increased the meat color a* and b* values at 24 h. Finally, Treatment II increased total protein, and serum concentrations of albumin and creatinine, but decreased serum urea nitrogen concentrations, indicating improved protein efficiency.Conclusion: In this study, 0.08% GAA+0.06% RPM supplementation improved growth performance and meat quality of Tan lambs.

      • SCIESCOPUSKCI등재

        A 2 GS/s, 6-bit DAC for UWB Applications In 0.18 ㎛ CMOS Technology

        Yi Zhang,Zhonghua Liu,Changchun Zhang,Yufeng Guo,Ying Zhang,Xiaopeng Li,Youtao Zhang,Hao Gao 대한전자공학회 2019 Journal of semiconductor technology and science Vol.19 No.6

        To satisfy higher and higher transmission rate and broadband requirement of modern communication, high-speed, low-resolution Digital-to-Analog Converters (DACs) becomes the key element. In this paper, the design of a 2 GS/s, 6 bit DAC without calibration for Ultra-wideband (UWB) applications, is presented. The DAC is based on current steering architecture and is segmented with 4 bit unary and 2 bit binary. To realize larger linear range and fast switching, the source degeneration switch is designed instead of the traditional differential switch. The DAC is designed and taped-out in SMIC 0.18 ㎜ CMOS technology and the area is 975 ㎛´ 775 ㎛. The wafer bonding measurement results shows that the DNL is 0.11 LSB, INL is 0.25 LSB. Under a clock frequency of 2 ㎓, the DAC can achieve a SFDR of 51 ㏈ for input signal of 6㎒, and a SFDR of 32.4 ㏈ for Nyquist input while the power consumption is 79 ㎽.

      • KCI등재후보

        The Impact of Public Pension on Chinese Household Consumption

        Ya-Hao LI(Ya-Hao LI),Fan YANG(Fan YANG),Shuang ZHANG(Shuang ZHANG) 한국웰빙융합학회 2024 웰빙융합연구 Vol.7 No.1

        Purpose: The improvement of the social security system can greatly affect residents' future uncertainty, and it is important to study the relationship between public pensions and household consumption. Research design, data and methodology: Using the 2018 China Household Panel Survey (CFPS) data, the instrumental variable method is used to analyze the impact of pension insurance on urban residents' consumption. Results: The results of the study show that there are differences in the impact of three different pension insurance systems on household consumption. The pension insurance for public sector significantly boosts household consumption, and having a pension insurance for public sector can increase household consumption by 7.7%. The pension insurance for enterprise employee will reduce household consumption, but this is only significant for urban households. The pension insurance for urban and rural residents has a negative impact on household consumption. For the 16- to 39-year-old group, having a pension insurance for urban and rural residents will reduce household consumption by 5.7%. At the same time, household income, assets, scale, and education level will positively stimulate household consumption. Conclusions: The study reveals varying impacts among different pension types, highlighting the need for optimizing social security schemes to incentivize higher consumption rates.

      • KCI등재

        A Hybrid Self-Powered System Based on Wind Energy Harvesting for Low-Power Sensors on Canyon Bridges

        Hao Cao,Xiaoping Wu,Hao Wu,Yajia Pan,Dabing Luo,Ali Azam,Zutao Zhang 한국정밀공학회 2023 International Journal of Precision Engineering and Vol.10 No.1

        Canyon cross wind has great potential to be transformed into electricity to power for low-power sensors of the health monitoring devices in bridge field. In this paper, a hybrid wind energy harvesting system (WEHS), integrating piezoelectric and electromagnetic mechanisms, is proposed to supply power for low-power sensors on canyon bridges. Firstly, the S-rotor embedded with a one-way bearing converts wind energy into rotational mechanical energy. Then, the piezoelectric cantilever beam and coils simultaneously convert mechanical energy into electricity under the excitation of the rotational magnet array. For the piezoelectric transducer, the symmetrical poles arrangement of tip magnet reduces the starting wind speed and resistance torque during energy harvesting. In addition, the relationship between different number of excitation magnets and the output of the piezoelectric transducer is explored. Finally, the output electricity is stored in the capacitors to supply power for low power sensors. The experimental results showed that the symmetrical poles arrangement of tip magnet could effectively reduce the starting resistance torque and improve the output power at low wind speeds. Given a wind speed of 6.5 m/s, the maximum output power of the WEHS can reach 19.24 mW with corresponding electrical energy of 75.714 mJ in one sweep period (6 s). The field test results demonstrated that the WEHS could effectively charge for the capacitors and power for a hundred LEDs. Furthermore, the mechanical durability and stability of the WEHS are verified by introducing a self-powered low power sensor system.

      • Rough Set Approach for Identification of Accident on Water Route Segment

        Hao ZHANG,Ying-jie XIAO,Liang CHEN 보안공학연구지원센터 2015 International Journal of u- and e- Service, Scienc Vol.8 No.8

        This paper presents a novel non-parametric methodology – rough set theory – for accident occurrence exploration. The rough set theory allows researchers to analyze accidents in multiple dimensions and to model accident occurrence as factor chains. Factor chains are composed of Seaman characteristic, ship’s characteristics, navigational behavior and environment factors that imply typical accident occurrence. Rose2 software tool is used. The purpose of this application is to find out the critical attributes to reduce the number of the fatality in maritime accidents. This paper explains the application on the accident reports of Accident Data database, containing data records for all categories of maritime accidents between the years of 2003 and 2009. Variable precision rough set is used to reduce the attributes of data set. The categorization tools and decision trees are used to find the relations and rules about the accidents resulted in fatality. Some rules about the fatality are obtained and also the attributes that affect the fatality in the incident have determined.

      연관 검색어 추천

      이 검색어로 많이 본 자료

      활용도 높은 자료

      해외이동버튼