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Geng Ning 청주대학교 국제협력연구원 2005 國際文化硏究 Vol.23 No.-
The Byronic hero is the product of Byron's conflicting thoughts and his complex personality. This paper discusses the dazzling features of the poly-phased types of the Byronic heroes and the affinity between these characters and their creator.
Xize Geng(Xize Geng),Lingming Kong(Lingming Kong) 동북아경상학회 2022 동북아경상연구 Vol.3 No.2
Purpose - This paper tries to introduce the online-offline hybrid teaching model into the classroom teaching of new media marketing, hoping to stimulate students’ desire to listen to the class through the novel teaching model and improve students’ learning intention and interest. Changing the teaching methods enriches the students’ learning activities in class and after class and improves the teaching effect. Design/Methodology/Approach - Research the school, objective evaluation, select two classes (control class, experimental class) for teaching design. The data of the experimental and control classes were collected, and the teaching effects were compared from the aspects of the final grade, the ordinary performance, the questionnaire survey and so on, the test scores before and after the analysis, and before and after the analysis of satisfaction. Findings - Compared with traditional teaching, online-offline hybrid teaching can significantly improve students’ academic performance and satisfaction. Research Implications - Through the research on the application of online-offline hybrid teaching model in marketing courses, it is beneficial to promote the application of online-offline hybrid teaching in colleges and universities, it is beneficial to optimize the application scheme design of online-offline hybrid teaching. It provides some reference for the practice of online-offline hybrid teaching mode in other disciplines.
A Study on the Evaluation System of Secondary School Students’ Innovative Ability
Xize Geng(Xize Geng),Lingming Kong(Lingming Kong) 동아시아무역학회 2022 Journal of East Asian Trade(JEAT) Vol.4 No.2
Purpose - The core of this study is to establish scientific and standard evaluation standards, establish a scientific evaluation system and give full play to the feedback, motivation, and guidance function of education evaluation. Design/Methodology/Approach - Evaluating innovative ability is a complex decision-making problem that adopts improved AHP. The multi-level fuzzy comprehensive evaluation method is used to verify the consistency between the students’ scores of innovation ability and the teachers’ subjective evaluation. Findings - The index of the evaluation system of the innovation ability of innovation education middle school students is determined. The multi-level fuzzy comprehensive evaluation method is used to evaluate students’ innovative abilities according to the evaluation system. Research Implications - The conclusion of this study can be used as a reference for improving students’ innovation ability in innovation education, i. e. it can cultivate students’ innovation ability and optimize innovation education. Constructing the evaluation index system of the innovation ability of middle school students in innovation education can evaluate the students’ innovation ability in the innovation process.
Geng, Qinghuang,Park, Chang Ho,Janni, Kevin 한국화학공학회 1995 Korean Journal of Chemical Engineering Vol.12 No.3
Uptake of organic acids by Clostridium acetobutylicum B18 was studied at controlled pH and under reduced butanol inhibition conditions. A pervaporative membrane module was placed in the fermentor to remove butanol from the fermentation broth. Uptake of added. butyric acid followed zero order kinetics at pH 4.75 and first order kinetics at pH 5.75. At pH 5.25 the kinetic order shifted from zero to first order as the butyric acid was taken up. At the point of order shift undissociated butyric acid (UBA) concentration was approximately 0.5 g/L. Unlike butyric acid, uptake of acetic acid followed first order kinetics regardless of pH. The difference in acid uptake kinetics could be explained by the combined effect of acid diffusion across the cell membrane and intracellular enzymatic reaction. The acid concentration for kinetic order shift seemed to be dependent upon pH and the kind of the acid used. Glucose was consumed simultaneously with added acids. Both butyric and acetic acids were taken up simultaneously but the rate was faster for butyric acid. Added butyric acid was completely assimilated whereas acetic acid uptake was incomplete.
Piezoelectric Pressure Sensing Device Using Top-Gate Effect of Dual-Gate a-IGZO TFT
Geng, Di,Han, Songyi,Seo, Heejae,Mativenga, Mallory,Jang, Jin IEEE 2017 IEEE SENSORS JOURNAL Vol.17 No.3
<P>We propose a pressure sensor composed of single-gate and dual-gate amorphous-indium-gallium-zinc-oxide thin-film transistors (TFTs) that are integrated with a P(VDF-TrFE)/PZT composite piezo-capacitor. The TFTs are connected in an inverter configuration, where the piezo-capacitor is connected to the floating top-gate of the dual-gate TFT (driving TFT). When the pressure is applied by finger pressing, the potential of the top-gate changes, and thus, the threshold voltage of the driving TFT shifts, leading to the generation of an output signal that is typically in the range of 200-300 mV.</P>
Touch Sensor Array With Integrated Drivers and Comparator Using a-IGZO TFTs
Geng, Di,Chen, Yuan Feng,Mativenga, M.,Jang, Jin IEEE 2017 IEEE electron device letters Vol.38 No.3
<P>Integration of an amorphous indium-galliumzinc-oxide thin-film transistor (TFT)-based self-capacitive touch sensor array with its peripheral drivers and read out circuits is reported. Each pixel consists of one touch electrode and five TFTs that enable a pixel-by-pixel driving scheme via integrated row and column drivers made of shift registers. Outputs from all sensor pixels are fed into an integrated comparator and compared with a reference voltage to generate a more readable low or high output level. A similar to 7 V difference between the touch and untouched states could be detected, making the proposed touch sensor a promising candidate for flexible electronics.</P>
Structural and Maturational Covariance in Early Childhood Brain Development
Geng, X.,Li, G.,Lu, Z.,Gao, W.,Wang, L.,Shen, D.,Zhu, H.,Gilmore, J. H. Oxford University Press 2017 Cerebral Cortex Vol. No.
<P>Brain structural covariance networks (SCNs) composed of regions with correlated variation are altered in neuropsychiatric disease and change with age. Little is known about the development of SCNs in early childhood, a period of rapid cortical growth. We investigated the development of structural and maturational covariance networks, including default, dorsal attention, primary visual and sensorimotor networks in a longitudinal population of 118 children after birth to 2 years old and compared them with intrinsic functional connectivity networks. We found that structural covariance of all networks exhibit strong correlations mostly limited to their seed regions. By Age 2, default and dorsal attention structural networks are much less distributed compared with their functional maps. The maturational covariance maps, however, revealed significant couplings in rates of change between distributed regions, which partially recapitulate their functional networks. The structural and maturational covariance of the primary visual and sensorimotor networks shows similar patterns to the corresponding functional networks. Results indicate that functional networks are in place prior to structural networks, that correlated structural patterns in adultmay arise in part fromcoordinated corticalmaturation, and that regional co-activation in functional networks may guide and refine the maturation of SCNs over childhood development.</P>
Collective Magnetism at Multiferroic Vortex Domain Walls
Geng, Yanan,Lee, N.,Choi, Y. J.,Cheong, S.-W.,Wu, Weida American Chemical Society 2012 Nano letters Vol.12 No.12
<P>Cross-coupled phenomena of multiferroic domains and domain walls are of fundamental scientific and technological interest. Using cryogenic magnetic force microscopy, we find alternating net magnetic moments at ferroelectric domain walls around vortex cores in multiferroic hexagonal ErMnO<SUB>3</SUB>, which correlate with each other throughout the entire vortex network. This collective nature of domain wall magnetism originates from the uncompensated Er<SUP>3+</SUP> moments at domain walls and the self-organization of the vortex network. Our results demonstrate that the collective domain wall magnetism can be controlled by external magnetic fields and represent a major advancement in the manipulation of local magnetic moments by harnessing cross-coupled domain walls.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/nalefd/2012/nalefd.2012.12.issue-12/nl301432z/production/images/medium/nl-2012-01432z_0005.gif'></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/nl301432z'>ACS Electronic Supporting Info</A></P>