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144 results on '"Liu, Tianzhen"'

16. Effect and mechanism analysis of matrix resin type on thermal aging characteristics of semi‐conductive shielding material for high voltage cable.

Author

Liu, Tianyao, Liu, Tianzhen, Li, Xuejing, Wei, Yanhui, Zhu, Yuanwei, He, Jinliang, and Li, Guochang

Subjects
HIGH voltages, MECHANICAL behavior of materials, DETERIORATION of materials, ETHYLENE-vinyl acetate, ETHYL acrylate
Abstract

The type of matrix resin of the semi‐conductive shielding layer directly affects the thermal aging characteristics of the semi‐conductive shielding layer and the high‐voltage cable. In this paper, ethylene vinyl acetate (EVA), ethylene ethyl acrylate (EEA), and ethylene butyl acrylate (EBA) resins were used as matrix to prepare carbon black (CB) + EVA, CB + EEA, and CB + EBA shielding materials. The law of physicochemical, electrical, and mechanical properties of different matrix resin shielding materials with aging time was studied, and the influence mechanism of matrix resin on the aging characteristics of shielding materials was analyzed. The results show: with the increase of aging time, the crystallization area and the number of functional groups of the three shielding materials decreased to varying degrees. The number of functional groups in CB + EBA shielding materials decreased evenly with aging time, but that of CB + EVA and CB + EEA shielding materials changed significantly after 7 days of aging. After 60 days of aging, the crystallization area of CB + EBA shielding material changed slightly, but that of CB + EVA and CB + EEA shielding material decrease significantly. The electrical properties of the three shielding materials showed different decreasing trend with aging time. When the aging time is 7 days, the positive temperature coefficient (PTC) effect of CB + EEA shielding material decreases obviously. When the aging time is 30 days, the resistivity of CB + EVA and CB + EEA shielding material increases slowly (9 Ω cm–12 Ω cm) with the increase of temperature. When the aging time is 60 days, the resistivity of CB + EBA shielding material decreases obviously, and the PTC effect weakens obviously. Taking the mechanical properties of the shielding material as reference, the rapid deterioration stage of the mechanical properties of the three shielding materials is different. The CB + EVA and CB + EEA shielding material rapid deterioration time is 0–7 days, and the tensile strength and elongation of the shielding material are greatly reduced. The rapid deterioration stage of CB + EBA shielding material is 7–30 days, and the tensile strength and elongation decrease from 24.38 MPa and 499.5% to 14 MPa and 155.7%, respectively. This work can provide data support for the selection of matrix resin of shielding material and the fault analysis of shielding layer of high voltage cable. [ABSTRACT FROM AUTHOR]

Published
2024
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22. ESCRT‐III component OsSNF7.2 modulates leaf rolling by trafficking and endosomal degradation of auxin biosynthetic enzyme OsYUC8 in rice

Author

Zhou, Liang, primary, Chen, Saihua, additional, Cai, Maohong, additional, Cui, Song, additional, Ren, Yulong, additional, Zhang, Xinyue, additional, Liu, Tianzhen, additional, Zhou, Chunlei, additional, Jin, Xin, additional, Zhang, Limin, additional, Wu, Minxi, additional, Zhang, Shuyi, additional, Cheng, Zhijun, additional, Zhang, Xin, additional, Lei, Cailin, additional, Lin, Qibing, additional, Guo, Xiuping, additional, Wang, Jie, additional, Zhao, Zhichao, additional, Jiang, Ling, additional, Zhu, Shanshan, additional, and Wan, Jianmin, additional

Published
2023
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24. 20230112_supplementary_Yuzhen.docx from Pseudo-bistability of viscoelastic shells

Author

Chen, Yuzhen, Liu, Tianzhen, and Jin, Lihua

Abstract

Viscoelastic shells subjected to a pressure loading exhibit rich and complex time-dependent responses. Here we focus on the phenomenon of pseudo-bistability, i.e. a viscoelastic shell can stay inverted when pressure is removed, and snap to its natural shape after a delay time. We model and explain the mechanism of pseudo-bistability with a viscoelastic shell model. It combines the small strain, moderate rotation shell theory with the standard linear solid as the viscoelastic constitutive law, and is applicable to shells with arbitrary axisymmetric shapes. As a case study, we investigate the pseudo-bistable behaviour of viscoelastic ellipsoidal shells. Using the proposed model, we successfully predict buckling of a viscoelastic ellipsoidal shell into its inverted configuration when subjected to an instantaneous pressure, creeping when the pressure is held, staying inverted after the pressure is removed, and eventually snapping back after a delay time. The stability transition of the shell from a monostable, temporarily bistable and eventually back to the monostable state is captured by examining the evolution of the instantaneous pressure–volume change relation at different time of the holding and releasing process. A systematic parametric study is conducted to investigate the effect of geometry, viscoelastic properties and loading history on the pseudo-bistable behaviour.This article is part of the theme issue 'Probing and dynamics of shock sensitive shells'.

Published
2023
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28. Evaluation of Historic Buildings Based on Structural Equation Models

Author

Tong, Qiaohui, Liu, Tianzhen, Tong, Hengqing, Ou, Zhuoling, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Rangan, C. Pandu, editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Shi, Yong, editor, van Albada, Geert Dick, editor, Dongarra, Jack, editor, and Sloot, Peter M. A., editor

Published
2007
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29. Dwarf and High Tillering1 represses rice tillering through mediating the splicing of D14 pre-mRNA

Author

Liu, Tianzhen, primary, Zhang, Xin, additional, Zhang, Huan, additional, Cheng, Zhijun, additional, Liu, Jun, additional, Zhou, Chunlei, additional, Luo, Sheng, additional, Luo, Weifeng, additional, Li, Shuai, additional, Xing, Xinxin, additional, Chang, Yanqi, additional, Shi, Cuilan, additional, Ren, Yulong, additional, Zhu, Shanshan, additional, Lei, Cailin, additional, Guo, Xiuping, additional, Wang, Jie, additional, Zhao, Zhichao, additional, Wang, Haiyang, additional, Zhai, Huqu, additional, Lin, Qibing, additional, and Wan, Jianmin, additional

Published
2022
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38. P‐9: Reduction and Mechanism of ESD Defect in IGZO‐TFT Formation

Author

Dezhi Xu, Junsheng Chen, Cui Haifeng, Zhang Zhihai, Liu Tianzhen, Xianxue Duan, Yangsik Youn, and SeungKyu Lee

Subjects
Reduction (complexity), Materials science, Thin-film transistor, business.industry, Optoelectronics, business, Mechanism (sociology)
Published
2019

43. Ubiquitin Specific Protease 15 Has an Important Role in Regulating Grain Width and Size in Rice1[OPEN]

Author

Shi, Cuilan, Ren, Yulong, Liu, Linglong, Wang, Fan, Zhang, Huan, Tian, Peng, Pan, Tian, Wang, Yongfei, Jing, Ruonan, Liu, Tianzhen, Wu, Fuqing, Lin, Qibing, Lei, Cailin, Zhang, Xin, Zhu, Shanshan, Guo, Xiuping, Wang, Jiulin, Zhao, Zhichao, Wang, Jie, Zhai, Huqu, Cheng, Zhijun, and Wan, Jianmin

Subjects
Ubiquitination, food and beverages, Oryza, Articles, Plants, Genetically Modified, Gene Expression Regulation, Plant, Plant Cells, Enzyme Stability, Mutation, Seeds, Ubiquitin-Specific Proteases, Cloning, Molecular, Cell Proliferation, Plant Proteins
Abstract

Ubiquitination and deubiquitination are reversible processes that play crucial roles in regulating organ size in plants. However, information linking deubiquitination and seed size in rice (Oryza sativa) is limited. Here, we characterized a dominant large-grain mutant, large grain1-D (lg1-D), with a 30.8% increase in seed width and a 34.5% increase in 1,000-grain weight relative to the wild type. The lg1-D mutant had more cells oriented in the lateral direction of the spikelet hull compared with the wild type. Map-based cloning showed that LG1 encodes a constitutively expressed ubiquitin-specific protease15 (OsUBP15) that possesses deubiquitination activity in vitro. Loss-of-function and down-regulated expression of OsUBP15 produced narrower and smaller grains than the control. A set of in vivo experiments indicated that the mutant Osubp15 had enhanced protein stability relative to wild-type OsUBP15. Further experiments verified that OsDA1 directly interacted with OsUBP15. Genetic data indicated that OsUBP15 and GRAIN WIDTH 2 (GW2) were not independent in regulating grain width and size. In summary, we identified OsUBP15 as a positive regulator of grain width and size in rice and provide a promising strategy for improvement of grain yield by pyramiding OsUBP15 and gw2.

Published
2019

45. Ubiquitin Specific Protease 15 Has an Important Role in Regulating Grain Width and Size in Rice

Author

Shi, Cuilan, primary, Ren, Yulong, additional, Liu, Linglong, additional, Wang, Fan, additional, Zhang, Huan, additional, Tian, Peng, additional, Pan, Tian, additional, Wang, Yongfei, additional, Jing, Ruonan, additional, Liu, Tianzhen, additional, Wu, Fuqing, additional, Lin, Qibing, additional, Lei, Cailin, additional, Zhang, Xin, additional, Zhu, Shanshan, additional, Guo, Xiuping, additional, Wang, Jiulin, additional, Zhao, Zhichao, additional, Wang, Jie, additional, Zhai, Huqu, additional, Cheng, Zhijun, additional, and Wan, Jianmin, additional

Published
2019
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46. DELAYED HEADING DATE1 interacts with OsHAP5C/D, delays flowering time and enhances yield in rice

Author

Zhang, Huan, primary, Zhu, Shanshan, additional, Liu, Tianzhen, additional, Wang, Chunming, additional, Cheng, Zhijun, additional, Zhang, Xin, additional, Chen, Liping, additional, Sheng, Peike, additional, Cai, Maohong, additional, Li, Chaonan, additional, Wang, Jiachang, additional, Zhang, Zhe, additional, Chai, Juntao, additional, Zhou, Liang, additional, Lei, Cailin, additional, Guo, Xiuping, additional, Wang, Jiulin, additional, Wang, Jie, additional, Jiang, Ling, additional, Wu, Chuanyin, additional, and Wan, Jianmin, additional

Published
2018
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48. P‐6.6: Effect of SiO2/SiNx/Resin Multi‐layer on the TFT Characteristics of BCE‐Type IGZO‐TFT.

Author

Xu, Dezhi, Duan, Xianxue, Liu, Tianzhen, Gong, Kui, Zhang, Zhihai, Shi, Yue, Hu, Jing, Wang, Sheng, Lee, SeungKyu, and Wang, Zhangtao

Subjects
BUFFER layers, SILICON nitride, THRESHOLD voltage
Abstract

In this paper, the influence of organic resin design on TFT characteristics is discussed. From the comparison of TFT characteristics, it can be concluded that the coverage of resin (full and partial) can solve the conductive trend of BCE a‐IGZO TFT. Combined with SiNx and SiO2 in organic resin buffer layer process adjustment, Vth can be controlled at about 1.5V. [ABSTRACT FROM AUTHOR]

Published
2021
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50. DELAYED HEADING DATE1 interacts with OsHAP5C/D, delays flowering time and enhances yield in rice.

Author

Zhang, Huan, Zhu, Shanshan, Liu, Tianzhen, Wang, Chunming, Cheng, Zhijun, Zhang, Xin, Chen, Liping, Sheng, Peike, Cai, Maohong, Li, Chaonan, Wang, Jiachang, Zhang, Zhe, Chai, Juntao, Zhou, Liang, Lei, Cailin, Guo, Xiuping, Wang, Jiulin, Wang, Jie, Jiang, Ling, and Wu, Chuanyin

Subjects
FLOWERING time, RICE yields, PLANT growth, CELLULAR signal transduction, BIOLOGICAL assay
Abstract

Summary: Heading date is an important agronomic trait affecting crop yield. The GRAS protein family is a plant‐specific super family extensively involved in plant growth and signal transduction. However, GRAS proteins are rarely reported have a role in regulating rice heading date. Here, we report a GRAS protein DHD1 (Delayed Heading Date1) delays heading and enhances yield in rice. Biochemical assays showed DHD1 physically interacts with OsHAP5C/D both in vitro and in vivo. DHD1 and OsHAP5C/D located in the nucleus and showed that rhythmic expression. Both DHD1 and OsHAP5C/D affect heading date by regulating expression of Ehd1. We propose that DHD1 interacts with OsHAP5C/D to delay heading date by inhibiting expression of Ehd1. [ABSTRACT FROM AUTHOR]

Published
2019
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