Two New Species of Placolecis (Lichenized Ascomycota) from China

( An Cheng Yin ),( Xin Yu Wang ),( Dong Liu ),( Yan Yun Zhang ),( Mei Xia Yang ),( Li Juan Li ),( Li Song Wang ) 한국균학회 2019 Mycobiology Vol.47 No.4

Two new species of the lichen genus Placolecis are discovered in China, namely P. kunmingensis An. C. Yin & Li S. Wang and P. sublaevis An. C. Yin & Li S. Wang. The new combination P. loekoesiana (S.Y. Kondr., Farkas, J.J. Woo & Hur) An. C. Yin is proposed. Placolecis kunmingensis is characterized by having simple, spherical or ellipsoid, hyaline spores, and pear-shaped pycnidia; while P. sublaevis can be distinguished by its thallus forming larger aggregations with slightly flattened lobes at the thallus margin, and urn-shaped pycnidia. Descriptions, a phylogenetic tree and a key are provided for all the known Placolecis species in China.

The Einstein-K\"ahler metrics onHua domain

An Wang,Weiping Yin 대한수학회 2003 대한수학회지 Vol.40 No.4

In this paper we describe the Einstein-K"ahler metric for theCartan-Hartogs of the first type which is the special case of theHua domains. Firstly, we reduce the Monge-Amp` ere equation forthe metric to an ordinary differential equation in the auxiliaryfunction X=X(z,w)=|w|^2[det(I-ZZ^T)]^{-frac{1}{K}}(see below).This differentialequation can be solved to give an implicit function in X.Secondly, we get the estimate of the holomorphic section curvatureunder the complete Einstein-K"ahler metric on this domain.

Adsorption of Pb(II) from aqueous solution to Ni-doped bamboo charcoal

Yin Wang,Xuejiang Wang,Xin Wang,Mian Liu,Zhen Wu,Lianzhen Yang,Siqing Xia,Jianfu Zhao 한국공업화학회 2013 Journal of Industrial and Engineering Chemistry Vol.19 No.1

Bamboo charcoal (BC) obtained by pyrolysis of Makino bamboo in the absence of oxygen was used as support for the preparation of Ni-doped adsorbent (Ni-BC). The low-cost composite was characterized and used as an adsorbent for Pb(II) removal from water. The results showed that both BET surface area and total pore volume of Ni-BC increased. The adsorption of Pb(II) strongly depended on solution pH,temperature and ionic strength. The adsorption isotherms followed Langmuir isotherm model well, and the maximum adsorption capacities of Pb(II) at 298 K were 25.0 and 142.7 mg/g for BC and Ni-BC,respectively. The adsorption processes were well fitted by pseudo-second-order kinetic model. Thermodynamic parameters showed that the adsorptions of Pb(II) onto both adsorbents were feasible,spontaneous, and exothermic under the studied conditions. The spent Ni-BC could be readily regenerated for reuse.

Detection of Low Frequency Signals using Interferometric Fiber Sensors based on Phase Generated Carrier Demodulation Technique

Wang Yong-jiao,Wang Chuan,Yuan Yin-quan,Liang Lei 보안공학연구지원센터 2015 International Journal of Signal Processing, Image Vol.8 No.2

A fiber-optic sensor is a sensor with high sensitivity, and signal detection technology is one of its key technologies. Phase generated carrier demodulation technology is a homodyne demodulation method widely used for interference fiber-optic sensors. Research reveals that the amplitude of the interference signal and the modulation depth will affect the result of demodulation. The distortion of the demodulated signal can be reduced by the elimination of the effects of the interference signal amplitude and modulation depth. A phase generated carrier demodulation method for interference fiber-optic sensors is proposed to detect weak ELF signals. Theoretical analysis and simulation have been implemented on the demodulation of weak ELF signals using low-level sub-mixer carrier. The results indicate that in the demodulation of weak ELF signals, DC drift occurs in the DCM approach, while the Arctangent approach does not have this problem. Then, an optical fiber sensing system for ELF signals is established based on optical fiber interferometer, indicating the Arctangent approach is able to demodulate the VLF signals accurately.

Assessment of Greenhouse Gas Emissions from Poultry Enteric Fermentation

Wang, Shu-Yin,Huang, Da-Ji Asian Australasian Association of Animal Productio 2005 Animal Bioscience Vol.18 No.6

Emissions of nitrous oxide (N$_2$O) and methane (CH$_4$) from poultry enteric fermentation were investigated using a respiration chamber. Birds were placed in a respiration chamber for certain intervals during their growing period or for the whole life cycle. The accumulated gas inside the chamber was sampled and analyzed for N$_2$O and CH$_4$ production. A curve for gas production during a life cycle was fitted. The calculated area under the curve estimated the emission factor of poultry enteric fermentation on a life cycle basis (mg bird$^{-1}$ life cycle$^{-1}$). This method can be used to estimate CH$_4$ or N$_2$O emissions from different types of avian species taking into account factors such as diet, season or thermal effects. The CH$_4$/N$_2$O emission factors estimated for commercial broiler chickens, Taiwan country chickens and White Roman Geese were 15.87/0.03, 84.8/16.4 and 1,500/49 (mg bird$^{-1}$ life cycle$^{-1}$), respectively, while the calculated CH$_4$/N$_2$O emission from enteric fermentations were 3.03/0.006, 14.73/2.84 and 9.5/0.31 (Mg year$^{-1}$), respectively in Taiwan in the year of 2000. The described method is applicable to most poultry species and the reported emission factors were applicable to meat type poultry only.

Association of Matrix Metalloproteinase (MMP)-2 and -9 Expression with Extra-gastrointestinal Stromal Tumor Metastasis

Wang, Chao,Ma, Hong-Xi,Jin, Mei-Shan,Zou, Ya-Bin,Teng, Yong-Liang,Tian, Zhuang,Wang, Hai-Ying,Wang, Yin-Ping,Duan, Xiu-Mei Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.10

Matrix metalloproteinase (MMP)-2 and MMP-9 are important proteases involved in invasion and metastasis of various tumors. Extra-gastrointestinal stromal tumors (EGISTs) are rare neoplasms. This study was performed to assess MMP-2 and MMP-9 expression in EGIST tissue samples for association with clinicopathological data from the patients. Twenty-one surgical EGIST tissue specimens were collected for analysis of MMP-2 and MMP-9 expression using immunohistochemistry. MMP-2 and MMP-9 proteins were expressed in all of the epithelial cell types of EGISTs, whereas they were only expressed in 75% of the spindle cell type, although there was no statistically significant difference (p>0.05). Expression of MMP-2 and MMP-9 proteins was associated with tumor size, mitotic rate, tumor necrosis, and distant metastasis (p<0.05). MMP-2 expression was linked with MMP-9 levels (p<0.05). However, there was no correlation between MMP-9 expression and age, sex, primary site, or cell morphology in any of these 21 EGIST patients (p>0.05). Moreover, expression of MMP-2 and MMP-9 proteins increased with the degree of EGIST risk. This study provided evidence of an association of MMP-2 and MMP-9 expression with advanced EGIST behavior.

A Factor Analysis of Chinese University EFL Learners’ Foreign Language Classroom Anxiety

Yin Xiaoteng, Wang Yu 부산대학교 과학교육연구소 2017 교사교육연구 Vol.56 No.2

ABSTRACT: The subjects of the present study were 344 college students from China. They responded to a 5-point likert scale questionnaire adapted from Horwitz’s Foreign Language Classroom Anxiety Scale (FLCAS). Their responses to the questionnaire were submitted to exploratory factor analysis and confirmatory factor analysis (with the help of SPSS and AMOS statistical package) for identifying anxiety dimensions. The results showed that there existed four dimensions of the FLCAS and the four-factor model adequately fit the data. The fit indices also suggested that the instrument measuring the dimensions of anxiety specific to college students in China was construct-wise valid and reliable for future use and it may also provide some reference for measuring anxiety dimensions in similar cultural context countries like Korea and Japan

V-life의 시각적 인지 반응이 팬 행동 의도에 미치는 영향에 관한 연구

Yin Shuo Han,Wang Jin Nan,Wang Cheng Hao 사단법인 한국융합기술연구학회 2023 아시아태평양융합연구교류논문지 Vol.9 No.4

This study focuses on the influence of V-life's visual cognitive response on fans' behavioral intention. Recently, a variety show called 2060, featuring an original virtual idol, caused a heated debate in China. The show gave these digital human the concept of " V-life(virtual life)". According to the results of the market survey, fans pay as much as 72.8% attention to the visual design of digital human. It can be inferred that the visual cognitive response of V-life will play an important role in the behavioral intention of fans. This study verified this influence path through a questionnaire survey and structural equation model analysis. The results show that, in the visual cognitive response of V-life, discomfort has a significant negative impact on verisimilitude and physical attractiveness. Following this, verisimilitude will have a positive impact on authenticity through social presence, while authenticity through social attractiveness will be positively influenced through physical attractiveness. Lastly, the authenticity of V-life will have a positive impact on the relationship maintenance intention, and will further have a positive impact on the product purchase intention through the relationship maintenance intention. Future research will continue to expand the findings to more fan groups and media types. 본 연구는 V-life의 시각적 인지 반응이 팬 행동 의도에 미치는 영향에 관한 연구이다. 본 연구는 주로 V-life의 시각적 인지 반응이 팬들의 행동 의도에 미치는 영향에 대해 탐구하고 있다. 이를 위해 최근 디지털 휴먼에게 V-life(가상 아이돌)라는 개념을 부여하는 데 지대한 역할을 한 '2060'이라는 예능 프로그램을 예시로써 소개하고 있다. 해당 프로그램은 예능에서 오리지널 디지털 휴먼을 처음 등장시켜 중국에서 뜨거운 논쟁과 신선한 바람을 가져왔다. 시장조사에 따르면 팬들의 관심 중 72.8%가 가상 아이돌의 외형 디자인에 집중되어 있음을 알 수 있다. 그렇기에 가상 아이돌인 V-life에 대한 시각적 인지 반응이 팬들의 행동 의도에 유의미한 영향을 미칠 것으로 가정할 수 있다. 본 연구는 설문조사 및 구조 방정식 모델의 분석 결과를 통해 해당 가설의 영향 경로를 확인했다. 연구 결과에 따르면 V-life의 시각적 인지 반응의 불편함(부조화)은 사실감과 신체적 매력에 부정적인 영향을 미치는 것을 알 수 있었으며 사실감은 사회적 실재감을 통해, 신체적 매력은 사회적 매력을 통해 진정성에 긍정적인 영향을 미치는 것으로 나타났다. 마지막으로 V-life의 진정성은 관계 유지 의도를 통해 제품 구매 의도에 더욱 긍정적인 영향을 미칠 수 있을 것으로 추정된다. 해당 연구 결과는 더 많은 팬 그룹 및 미디어 유형에 관한 후속 연구로 확대될 것으로 기대된다.

Stochastic analysis for uncertain deformation of foundations in permafrost regions

Wang, Tao,Zhou, Guoqing,Wang, Jianzhou,Zhao, Xiaodong,Yin, Leijian Techno-Press 2018 Geomechanics & engineering Vol.14 No.6

For foundations in permafrost regions, the displacement characteristics are uncertain because of the randomness of temperature characteristics and mechanical parameters, which make the structural system have an unexpected deviation and unpredictability. It will affect the safety of design and construction. In this paper, we consider the randomness of temperature characteristics and mechanical parameters. A stochastic analysis model for the uncertain displacement characteristic of foundations is presented, and the stochastic coupling program is compiled by Matrix Laboratory (MATLAB) software. The stochastic displacement fields of an embankment in a permafrost region are obtained and analyzed by Neumann stochastic finite element method (NSFEM). The results provide a new way to predict the deformation characteristics of foundations in permafrost regions, and it shows that the stochastic temperature has a different influence on the stochastic lateral displacement and vertical displacement. Construction disturbance and climate warming lead to three different stages for the mean settlement of characteristic points. For the stochastic settlement characteristic, the standard deviation increases with time, which imply that the results of conventional deterministic analysis may be far from the true value. These results can improve our understanding of the stochastic deformation fields of embankments and provide a theoretical basis for engineering reliability analysis and design in permafrost regions.

Expression and tissue distribution analysis of vimentin and transthyretin proteins associated with coat colors in sheep (Ovis aries)

Yin Zhihong,Ma Zhisheng,Wang Siting,Hao Shitong,Liu Xinyou,Pang Quanhai,Wang Xinzhuang 아세아·태평양축산학회 2023 Animal Bioscience Vol.36 No.9

Objective: Pigment production and distribution are controlled through multiple proteins, resulting in different coat color phenotypes of sheep. Methods: The expression distribution of vimentin (VIM) and transthyretin (TTR) in white and black sheep skins was detected by liquid chromatography–electrospray ionization tandem MS (LC–ESI–MS/MS), gene ontology (GO) statistics, immunohistochemistry, Western blot, and quantitative real time polymerase chain reaction (qRT-PCR) to evaluate their role in the coat color formation of sheep. Results: LC–ESI–MS/MS results showed VIM and TTR proteins in white and black skin tissues of sheep. Meanwhile, GO functional annotation analysis suggested that VIM and TTR proteins were mainly concentrated in cellular components and biological process, respectively. Further research confirmed that VIM and TTR proteins were expressed at significantly higher levels in black sheep skins than in white sheep skins by Western blot, respectively. Immunohistochemistry notably detected VIM and TTR in hair follicle, dermal papilla, and outer root sheath of white and black sheep skins. qRT-PCR results also revealed that the expression of VIM and TTR mRNAs was higher in black sheep skins than in white sheep skins. Conclusion: The expression of VIM and TTR were higher in black sheep skins than in white sheep skins and the transcription and translation were unanimous in this study. VIM and TTR proteins were expressed in hair follicles of white and black sheep skins. These results suggested that VIM and TTR were involved in the coat color formation of sheep.