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Shifting the struggle inward: Mainstream debate on digital grassroots feminism in China
Chun YANG,Yongyuan ZHOU Asian Center for Women's Studies : Ewha Womans Uni 2023 Asian Journal of Women's Studies(AJWS) Vol.29 No.1
This research suggests that the legitimacy of Chinese feminist public opinion is reflected in mainstream digital grassroots feminism. The authors investigate the use of feminist discourse in the Chinese Internet with the aim of highlighting and focusing current discussions among grassroots feminists in China. This research reveals that mainstream debates revolve around radical and conservative feminism. We propose that there is an emerging radical force in the mainstream debate, which is conceptualized as “new feminist activism.” It tries to separate itself from national and sexual politics, and has evolved from western radical feminism, separatist feminism, and socialist feminism in China. In addition, new feminist activism is labeled as extreme feminism and pseudo-feminism and is not only criticized by conservatives such as liberal feminists and socialist feminists but is also ruled by the state for ideological control. Appropriation of feminist discourses by grassroots feministshaveledtopositionsof different groups splitting, and there is an intense internal fight for power over discourse. In general, digital feminism in China is characterized by a focus on the private sphere, de-political, and indirect confrontation. 本研究表明,中国女性主义舆论的合法性体现在主流数字草根女性主义中。作者调查了中国互联网中女性主义话语的使用情况,目的是突出和聚焦中国草根女性主义者的当前讨论。这项研究显示,主流辩论围绕着激进和保守的女性主义展开。我们提出,在主流辩论中,有一股新兴的激进力量,被概念化为 “新激进女性主义"。它试图与国家政治和性政治分开,并从西方的激进女性主义、分离主义女性主义和中国的社会主义女性主义中发展而来。此外,新激进女性主义被贴上了极端女性主义和伪女性主义的标签,不仅受到自由主义女性主义者和社会主义女性主义者等保守派的批评,而且还受到国家意识形态控制的统治。草根女性主义者对女性主义话语的挪用,导致不同群体的立场发生分裂,内部对话语权的争夺十分激烈。总的来说,中国的数字女性主义的特点是注重私人领域、去政治化以及间接对抗。
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Comparison of the higher diffraction order images in methyl-red-doped liquid crystal films
Dewei Gong,Zhongxiang Zhou,Chunfeng Hou,Yongyuan Jiang,Hao Tian 한국물리학회 2009 Current Applied Physics Vol.9 No.4
We investigate the change of higher diffraction order images in holographic image storage and reconstruction process. In experiments, an s-polarized Ar+ laser (488.0 nm) was used to record permanent grating in the dye-doped liquid crystal, 4,4'-n-entylcyanobiphenyl (5CB) doped with 1 wt% methyl-red (MR), at a small incident angle. Higher diffraction order images were observed when the signal beam was focused in front of and behind the film. Then the film was illuminated by an s-polarized He–Ne laser (632.8 nm) in the direction perpendicular to the surface. The higher diffraction order images were reconstructed. A theory about the change of higher diffraction order images is developed, which is in good agreement with experimental results. The results show that the higher diffraction order provides a useful method for optical information processing. We investigate the change of higher diffraction order images in holographic image storage and reconstruction process. In experiments, an s-polarized Ar+ laser (488.0 nm) was used to record permanent grating in the dye-doped liquid crystal, 4,4'-n-entylcyanobiphenyl (5CB) doped with 1 wt% methyl-red (MR), at a small incident angle. Higher diffraction order images were observed when the signal beam was focused in front of and behind the film. Then the film was illuminated by an s-polarized He–Ne laser (632.8 nm) in the direction perpendicular to the surface. The higher diffraction order images were reconstructed. A theory about the change of higher diffraction order images is developed, which is in good agreement with experimental results. The results show that the higher diffraction order provides a useful method for optical information processing.
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Diffraction behavior of an azo-dye-doped nematic liquid crystal without applied electric field
Hongyue Gao,Kaiyu Gu,Zhongxiang Zhou,Yongyuan Jiang,Dewei Gong 한국물리학회 2008 Current Applied Physics Vol.8 No.1
We investigate the dependence of the two-beam coupling diffraction efficiency on the experimental parameters, and hence achieve the optimum experimental conditions for holographic recording in planar Methyl Red-doped nematic liquid crystal film without external electric field. Under the optimum experimental conditions, the diffraction efficiency of a holographic grating is improved to 21.4%, and holographic image with long-term stability is stored in the film. These results provide an experimental basis for holographic data storage in this liquid crystal film We investigate the dependence of the two-beam coupling diffraction efficiency on the experimental parameters, and hence achieve the optimum experimental conditions for holographic recording in planar Methyl Red-doped nematic liquid crystal film without external electric field. Under the optimum experimental conditions, the diffraction efficiency of a holographic grating is improved to 21.4%, and holographic image with long-term stability is stored in the film. These results provide an experimental basis for holographic data storage in this liquid crystal film
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Preparation and Properties of HUHPC with Low Shrinkage and High Impact Resistance
Qingjun Ding,Jinhua Gong,Gaozhan Zhang,Yang Liu,Jun Yang,Yongyuan Zhang,Peng Zhou 대한토목학회 2023 KSCE Journal of Civil Engineering Vol.27 No.8
At present, nuclear energy is widely used to reduce pollution and clean energy. However, the radiation-proof concrete currently used to prepare nuclear shields cannot meet the protection requirements of nuclear safety. Therefore, there is an urgent need to develop radiation-proof concrete materials with high impact resistance and ultra-high strength. In this paper, the low-shrinkage, high-impact Heavy Ultra-High-Performance Concrete (HUHPC) was designed by the following innovative methods: Porous high titanium heavy slag sand (HTHS) (industrial solid waste) with “slow-water release” effect and expansion agent were synergistically used to improve volume stability; Irregular HTHS with “embedded lock” effect and steel fibers were synergistically utilized to enhance impact resistance; Heavy ilmenite sand was used to lift volume weight. The workability, mechanical properties, volume stability, impact resistance, and microstructure were studied. The results show that the designed HUHPC volume weight is more than 2,800 kg/m3 which can enhance the radiation protection performance greatly. The 180 d shrinkage of HUHPC is less than 400 με, which volume stability is improved by more than 30%. The addition of lithium carbonate slightly decreased the 28 d strength of HUHPC, but the appropriate admixture amount (0.9%) could improve the impact resistance of HUHPC by 33%.
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