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Study of bending angle and shadow in a new Schwarzschild-like black hole affected by plasma and non-plasma mediums 被引量:1
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作者 Riasat Ali Tiecheng Xia +1 位作者 Muhammad Awais Rimsha Babar 《Chinese Physics C》 SCIE CAS CSCD 2024年第5期309-318,共10页
In this study,we analyze the models of the deflection angle of a new Schwarzschild-like black hole(BH)and employ the optical metric of the BH.To achieve this,we use the Gaussian curvature of the optical metric and the... In this study,we analyze the models of the deflection angle of a new Schwarzschild-like black hole(BH)and employ the optical metric of the BH.To achieve this,we use the Gaussian curvature of the optical metric and the Gauss-Bonnet theorem,known as the Gibbons-Werner technique,to determine the deflection angle.Furthermore,we examine the deflection angle in the presence of a plasma medium and the effect of the plasma medium on the deflection angle.The deflection angle of the BH solution in the gauged super-gravity is computed using the Keeton-Petters approach.Utilizing the ray-tracing technique,we investigate the shadow of the corresponding BH and analyze the plots of the deflection angle and shadow to verify the influence of the plasma and algebraic thermodynamic parameters on the deflection angle and shadow. 展开更多
关键词 new Schwarzschild-like black hole Gibbons-Werner and Keeton-Petters techniques deflection angle ray-tracing approach SHADOW
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A General Relativistic Approach for Non-Perturbative QCD
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作者 Usha Raut 《Journal of High Energy Physics, Gravitation and Cosmology》 2023年第4期917-940,共24页
The formation of mini black holes is now considered to be a well-established and inescapable consequence of TeV scale particle collision scenarios in extra-dimensional/ADD models. Further, such mini black holes have b... The formation of mini black holes is now considered to be a well-established and inescapable consequence of TeV scale particle collision scenarios in extra-dimensional/ADD models. Further, such mini black holes have been predicted to be produced at prodigious rates, of several thousand per year. Therefore, the continued null results from detector searches so far, including the most recent LHC runs of √s = 14 TeV, seem to suggest that new ideas may be critical for further advances in high energy physics. In this manuscript, we use a geometrical algorithm, inspired by general relativity, in particular Kerr-Newman de-Sitter black holes, to explore the non-perturbative (infra-red) sector of QCD. This has led us to a novel and more refined search criteria for LHC data compared to previous methods. We also explain why the current search has yielded null results. Our predictions are readily testable at detector sites. More importantly, our approach provides promising solutions to several long-standing problems, such as the hierarchy problem, problems with the continued failed attempts to integrate gravity into the standard model, and finally quark confinement. 展开更多
关键词 General Relativity Hierarchy Problem LHC Phenomenology new Black Hole Search Gravitational Waves
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Oxidative stress as a potential causal factor for autoimmune hemolytic anemia and systemiclupuserythematosus 被引量:8
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作者 Junichi Fujii Toshihiro Kurahashi +2 位作者 Tasuku Konno Takujiro Homma Yoshihito Iuchi 《World Journal of Nephrology》 2015年第2期213-222,共10页
The kidneys and the blood system mutually exert infuence in maintaining homeostasis in the body. Because the kidneys control erythropoiesis by producing erythropoietinand by supporting hematopoiesis, anemia is associa... The kidneys and the blood system mutually exert infuence in maintaining homeostasis in the body. Because the kidneys control erythropoiesis by producing erythropoietinand by supporting hematopoiesis, anemia is associated with kidney diseases. Anemia is the most prevalent genetic disorder, and it is caused by a deficiency of glucose 6-phosphate dehydrogenase (G6PD), for which sulfhydryl oxidation due to an insufficient supply of NADPH is a likely direct cause. Elevated reactive oxygen species (ROS) result in the sulfhydryl oxidation and hence are another potential cause for anemia. ROS are elevated in red blood cells (RBCs) under superoxide dismutase (SOD1) defciency in C57BL/6 mice. SOD1 defcient miceexhibit characteristics similar to autoimmune hemolytic anemia (AIHA) and systemic lupus erythematosus (SLE) at the gerontic stage. An examination of AIHA-prone New Zealand Black (NZB) mice, which have normal SOD1 and G6PD genes, indicated that ROS levels in RBCs are originally high and further elevated during aging. Transgenic overexpression of human SOD1 in erythroid cells effectively suppresses ROS elevation and ameliorates AIHA symptoms such as elevated anti-RBC antibodies and premature death in NZB mice. These results support the hypothesis that names oxidative stress as a risk factor for AIHA and other autoimmune diseases such as SLE. Herein we discuss the association between oxidative stress and SLE pathogenesis based mainly on the genetic and phenotypic characteristics of NZB and New Zealand white mice and provide insight into the mechanism of SLE pathogenesis. 展开更多
关键词 Autoimmune hemolytic anemia Systemic lupus erythematosus Red blood cells new Zealand black mice new Zealand white mice
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Study on Genetic Marker Bi-PASA of Porcine STCH Gene 被引量:1
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作者 Nunu SUN Shuren SI 《Agricultural Biotechnology》 CAS 2019年第6期6-8,14,共4页
[Objectives] This study was conducted to establish the genetic marker Bi-PASA of STCH gene in Jinfen white pig and New Shanxi black pig. [Methods] The polymorphism of STCH gene was detected in Jinfen white pig and New... [Objectives] This study was conducted to establish the genetic marker Bi-PASA of STCH gene in Jinfen white pig and New Shanxi black pig. [Methods] The polymorphism of STCH gene was detected in Jinfen white pig and New Shanxi black pig by bidirectional PCR amplification of specific alleles. [Results] There were two alleles(A, B) and three genotypes(AA, AB and BB) in Jinfen white pig and New Shanxi black pig. The PopGene32 analysis showed that the polymorphic site of STCH gene in Jinfen white pig accorded with the Hardy-Weinberg equilibrium(P>0.05), while that of new Shanxi black pig did not meet the Hardy-Weinberg equilibrium(P<0.01). The results of chi-square test showed that the polymorphic site of STCH gene was significantly different in genotype distribution between the two pig breeds(P<0.01). [Conclusions] The establishment of the genetic marker Bi-PASA of STCH gene in Jinfen white pig and new Shanxi black pig could provide basic biological data for improving disease resistance of pigs and establishing disease-resistant populations. 展开更多
关键词 STCH Jinfen white pig new Shanxi black pig Bi-PASA POLYMORPHISM
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BLACK DVD MARKET GETS NEW BLACK EYES
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作者 LI LI 《Beijing Review》 2006年第49期18-21,共4页
关键词 DVD BLACK DVD MARKET GETS new BLACK EYES MPA
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Yellow Is the New Black?──美剧《女子监狱》里的人种与性向的交织
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作者 Alex Yang Li 《戏剧与影视评论》 2015年第5期22-26,共5页
对Netflix的原创剧《女子监狱》(Orang Is the New Black),剧界和粉丝的评论和反应一直呈现两极分化的形态。喜欢的理由很多:题材出位,人物有趣,情节总有惊喜。尤其对于性少数LGBT观众群来说,这种不拿异性恋当作理所当然的片子更是难得... 对Netflix的原创剧《女子监狱》(Orang Is the New Black),剧界和粉丝的评论和反应一直呈现两极分化的形态。喜欢的理由很多:题材出位,人物有趣,情节总有惊喜。尤其对于性少数LGBT观众群来说,这种不拿异性恋当作理所当然的片子更是难得──这部片中两个女人在一起了反倒是常态。其实这正是这部剧的定位,暧昧而轻松的搔着主流观众和性少数人群不同的痒,随你看热闹还是看门道。 展开更多
关键词 种族身份 性少数 女子监狱 双性恋 Yellow Is the new Black 黑人女性主义
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Black Holes in Hawking's New Theory
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作者 Carolyn Johnson 张凯华 《当代外语研究》 2004年第9期17-18,共2页
科学界的奇才霍金于1975年提出了著名的黑洞理论。根据他的理论,黑洞不仅能吞食光线和物质,还能吞噬信息。尽管当时有些科学家提出疑义,但不为人们所重视。谁知29年之后,霍金本人亲口承认他的黑洞理论有误,因为信息是不能被吞噬的。这... 科学界的奇才霍金于1975年提出了著名的黑洞理论。根据他的理论,黑洞不仅能吞食光线和物质,还能吞噬信息。尽管当时有些科学家提出疑义,但不为人们所重视。谁知29年之后,霍金本人亲口承认他的黑洞理论有误,因为信息是不能被吞噬的。这是不是有人在愚人节开的玩笑?不!请阅读下面一篇文章。读完之后,你是否同我一样,对霍金更加尊重和崇敬了呢? 展开更多
关键词 黑洞理论 Black Holes in Hawking’s new Theory
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