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high-temperature oxidation resistance of si-coated C/siC composites

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Rare metals 2024年第9期43卷 4566-4572页

作者： Jie Xiao hua-Yue Zhang sheng-Kai gong hui-Bin Xu hong-Bo guo s.hool of materials science and Engineering Beihang University Key Laboratory of high-Temperature structure materials and Protective Coatings (ministry of Industry and Information Technology) Beihang University

In this paper, si coatings were sprayed onto C/si C composite substrates by atmos.heric plasma spraying(APs). The high-temperature oxidation behavior of the substrate and coating at temperatures of 1100 and 1300 °C was also studied. The C/si C ceramic matrix composite will be damaged seriously and even failed due to the oxidation of carbon fibers in matrix. The si coating effectively improved the oxidation resistance of the C/si C substrate in the high-temperature oxidation test. The effect of the thickness of the si coatings on the oxidation resistance was investigated. The 150-μm coating is proved to enable the substrate to have the lowest oxidation weight loss and the best oxidation resistance after static oxidation for 5 h.

关键词： Carbon fiber Ceramic matrix composites (CmCs) Oxidation Plasma spray si coating

Fast efficient photon deceleration in plasmas by using two laser pulses at different frequencies

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matter and Radiation at Extremes 2024年第3期9卷 11-18页

作者： Y.X.Wang X.L.Zhu s.m.Weng P.Li X.F.Li h.Ai h.R.Pan Z.m.sheng Key Laboratory for Laser Plasmas(moe) School of Physics and AstronomyShanghai Jiao Tong UniversityShanghai 200240China Collaborative Innovation Center of IFsA Shanghai Jiao Tong UniversityShanghai 200240China Research Center of Laser Fusion of China Academy of Engineering Physics MianyangSichuan 621900China state key Laboratory of high Field Laser Physics Shanghai Institute of Optics and Fine MechanicsChinese Academy of SciencesShanghai 201800China Tsung-dao Lee Institute Shanghai Jiao Tong UniversityShanghai 200240China

The generation of ultrashort high-power light sources in the mid-infrared(mid-IR)to terahertz(Thz)range is of interest for applications in a number of fields,from fundamental research to biology and *** conventional laser technology,photon deceleration in plasma wakes provides an alternative approach to the generation of ultrashort mid-IR or Thz ***,we present a photon deceleration s.heme for the efficient generation of ultrashort mid-IR or Thz pulses by using an intense driver laser pulse with a relatively short wavelength and a signal laser pulse with a relatively long *** signal pulse trails the driver pulse with an appropriate time delay such that it sits at the front of the second wake bubble that is driven by the driver *** to its relatively long wavelength,the signal pulse will be subjected to a large gradient of the refractive index in the plasma wake ***,the photon deceleration in the plasma wake becomes faster and more efficient for signal pulses with longer *** greatly enhances the capacity and efficiency of photon deceleration in the generation of ultrashort high-power light sources in the long-wavelength IR and Thz spectral ranges.

关键词： laser ultrashort photon

Probing signals of atmos.heric gravity waves excited by the July 29,2021 m_(W)8.2 Alaska earthquake

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geodesy and geodynamics 2024年第3期15卷 219-229页

作者： geng Zhang Jianqiao Xu Xiaodong Chen heping sun Lizhuo gong state Key Laboratory of geodesy and Earth's Dynamics Innovation Academy for Precision Measurement Science and TechnologyChinese Academy of SciencesWuhan430077China University of Chinese Academy of sciences Beijing100049China

It is commonly believed that the atmos.here is decoupled from the solid ***,it is difficult for the seismic wave energy inside the Earth to propagate into the atmos.here,and atmos.heric pressure wave signals excited by earthquakes are unlikely to exist in atmos.heric *** increasing number of studies.have shown that earthquakes,volcanoes,and tsunamis can perturb the Earth's atmos.here due to various coupling ***,the observations mainly focus on acoustic waves with periods of less than 10 min and inertial gravity waves with periods of greater than 1 *** are almost no clear observations of gravity waves that coincide with observations of low-frequency signals of the Earth's free oscillation frequency band within 1 *** paper investigates atmos.heric gravity wave signals within1 h of surface-atmos.here observations using the periodogram method based on seismometer and microbarometer observations from the global seismic network before and after the July 29,2021 m_(w)8.2 Alaska earthquake in the United *** numerical results show that the atmos.heric gravity wave signals with frequencies similar to those of the Earth's free oscillations _(0)s_(2) and _(0)T_(2) can be detected in the microbaro meter *** results con firm the existence of atmos.heric gravity waves,indicating that the atmos.here and the solid Earth are not decoupled within this frequency band and that seismic wave energy excited by earthquakes can propagate from the interior of the Earth to the atmos.here and enhance the atmos.heric gravity wave signals within 1 h.

关键词： Atmos.heric gravity modes Atmos.heric gravity waves Alaska earthquake Normal modes Coupling of solid earth and atmos.here

sTCF conceptual design report (Volume 1): Physics & detector

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Frontiers of physics 2024年第1期19卷 1-154页

作者： m.Achasov X.C.Ai L.P.An R.Aliberti Q.An X.Z.Bai Y.Bai O.Bakina A.Barnyakov V.Blinov V.Bobrovnikov D.Bodrov A.Bog.myagkov A.Bondar I.Boyko Z.h.Bu F.m.Cai h.Cai J.J.Cao Q.h.Cao X.Cao Z.Cao Q.Chang K.T.Chao D.Y.Chen h.Chen h.X.Chen J.F.Chen K.Chen L.L.Chen P.Chen s.L.Chen s.m.Chen s.Chen s.P.Chen W.Chen X.Chen X.F.Chen X.R.Chen Y.Chen Y.Q.Chen h.Y.Cheng J.Cheng s.Cheng T.g.Cheng J.P.Dai L.Y.Dai X.C.Dai D.Dedovich A.Denig I.Denisenko J.m.Dias D.Z.Ding L.Y.Dong W.h.Dong V.Druzhinin D.s.Du Y.J.Du Z.g.Du L.m.Duan D.Epifanov Y.L.Fan s.s.Fang Z.J.Fang g.Fedotovich C.Q.Feng X.Feng Y.T.Feng J.L.Fu J.gao Y.N.gao P.s.ge C.Q.geng L.s.geng A.gilman L.gong T.gong B.gou W.gradl J.L.gu A.guevara L.C.gui A.Q.guo F.K.guo J.C.guo J.guo Y.P.guo Z.h.guo A.guskov K.L.han L.han m.han X.Q.hao J.B.he s.Q.he X.g.he Y.L.he Z.B.he Z.X.heng B.L.hou T.J.hou Y.R.hou C.Y.hu h.m.hu K.hu R.J.hu W.h.hu X.h.hu Y.C.hu J.hua g.s.huang J.s.huang.m.huang Q.Y.huang W.Q.huang X.T.huang X.J.huang Y.B.huang Y.s.huang N.hüsken V.Ivanov Q.P.Ji J.J.Jia s.Jia Z.K.Jia h.B.Jiang J.Jiang s.Z.Jiang J.B.Jiao Z.Jiao h.J.Jing X.L.Kang X.s.Kang B.C.Ke m.Kenzie A.Khoukaz I.Koop E.Kravchenko A.Kuzmin Y.Lei E.Levichev C.h.Li C.Li D.Y.Li F.Li g.Li g.Li h.B.Li h.Li h.N.Li h.J.Li h.L.Li J.m.Li J.Li L.Li L.Li L.Y.Li N.Li P.R.Li R.h.Li s.Li T.Li W.J.Li X.Li X.h.Li X.Q.Li X.h.Li Y.Li Y.Y.Li Z.J.Li h.Liang J.h.Liang Y.T.Liang g.R.Liao L.Z.Liao Y.Liao C.X.Lin D.X.Lin X.s.Lin B.J.Liu C.W.Liu D.Liu F.Liu g.m.Liu h.B.Liu J.Liu J.J.Liu J.B.Liu K.Liu K.Y.Liu K.Liu L.Liu Q.Liu s.B.Liu T.Liu X.Liu Y.W.Liu Y.Liu Y.L.Liu Z.Q.Liu Z.Y.Liu Z.W.Liu I.Logashenko Y.Long C.g.Lu J.X.Lu N.Lu Q.F.Lü Y.Lu Y.Lu Z.Lu P.Lukin F.J.Luo T.Luo X.F.Luo Y.h.Luo h.J.Lyu X.R.Lyu J.P.ma P.ma Y.ma Y.m.ma F.maas s.malde D.matvienko Z.X.meng R.mitchell A.Nefediev Y.Nefedov s.L.Olsen Q.Ouyang P.Pakhlov g.Pakhlova X.Pan Y.Pan E.Passemar Y.P.Pei h.P.Peng L.Peng X.Y.Peng X.J.Peng K.Peters s.Pivovarov E.Pyata B.B.Qi Y.Q.Qi W.B.Qian Y.Qian C.F.Qiao J.J.Qin J.J.Qin L.Q.Qin X.s.Qin T.L.Qiu J.Rademacker C.F.Redmer h.Y.sang Anhui University Hefei 230039China Beihang University Beijing 100191China Budker Institute of Nuclear Physics Novosibirsk 630090Russia CAs Key Laboratory of Theoretical Physics Institute of Theoretical PhysicsChinese Academy of SciencesBeijing 100190China Cavendish Laboratory University of CambridgeJJ Thomson AveCambridge CB30HEUnited Kingdom Central China Normal University Wuhan 430079China Central south University Changsha 410083China China University of geosciences Wuhan 430074China China University of mining and Technology Xuzhou 221116China École Polytechnique Fédérale de Lausanne(EPFL) LausanneSwitzerland Fudan University Shanghai 200433China goethe University Frankfurt D-60325 Frankfurt am MainGermany guangxi Normal University Guilin 541004China guangxi Uninversity Nanning 530004China hangzhou Institute for Advanced study UCASHangzhou 310024China hebei Normal University Shijiazhuang 050024China hebei University Baoding 071002China hefei University of Technology Hefei 230601China helmholtz Institute mainz Staudinger Weg 18D-55099 MainzGermany henan Normal University Xinxiang 453007China henan University Kaifeng 475004China high Energy Physics Center Chung-Ang UniversitySeoul 06974Korea higher s.hool of Economy 11 Pokrovsky Bulvar Moscow 109028Russia huangshan University Huangshan 245000China hubei University of Automotive Technology Shiyan 442002China hunan Normal University Changsha 410081China hunan University of science and Technology Xiangtan 411201China hunan University Changsha 410082China Indiana University BloomingtonIndiana 47405USA Inner mongolia University Hohhot 010021China Institute of Advanced science Facilities Shenzhen 518107China Institute of high Energy Physics Chinese Academy of SciencesBeijing 100049China Institute of modern Physics Chinese Academy of SciencesLanzhou 730000China Institute of Physics Academia SinicaTaipeiTaiwan 11529China Institute of Theoretical Physics Chinese Academy of SciencesBeijing 100190China Jilin University Changch

The superτ-charm facility(sTCF)is an electron–positron collider proposed by the Chinese particle physics *** is designed to operate in a center-of-mass energy range from 2 to 7 geV with a peak luminosity of 0.5×10^(35) cm^(–2)·s^(–1) or *** sTCF will produce a data sample about a factor of 100 larger than that of the presentτ-charm factory—the BEPCII,providing a unique platform for exploring the asymmetry of matter-antimatter(charge-parity violation),in-depth studies of the internal structure of hadrons and the nature of non-perturbative strong interactions,as well as searching for exotic hadrons and physics beyond the standard *** sTCF project in China is under development with an extensive R&D *** document presents the physics opportunities at the sTCF,describes conceptual designs of the sTCF detector system,and discusses future plans for detector R&D and physics case studies.

关键词： electron–positron collider tau-charm region high luminosity sTCF detector conceptual design

A novel encoding.mechanism for particle physics

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Nuclear science and Techniques 2024年第8期35卷 153-166页

作者： Zhi‑guang Tan sheng‑Jie Wang You‑Neng guo hua Zheng Aldo Bonasera s.hool of Electronic Information and Electrical Engineering Changsha UniversityChangsha 410003China s.hool of Physics and Information Technology Shaanxi Normal UniversityXi’an 710119China Key Laboratory of Quark and Lepton Physics(mOE) Central China Normal UniversityWuhan 430079China Cyclotron Institute Texas A&M UniversityCollege StationTX 77843USA Laboratori Nazionali del sud INFN95123 CataniaItaly

This study proposes a novel particle encoding.mechanism that seamlessly incorporates the quantum properties of particles,with a specific emphasis on constituent *** primary objective of this mechanism is to facilitate the digital registration and identification of a wide range of particle *** design ensures easy integration with different event generators and digital simulations commonly used in high-energy ***,this innovative framework can be easily expanded to encode complex multi-quark states comprising up to nine valence quarks and accommodating an angular momentum of up to 99/*** versatility and scalability make it a valuable tool.

关键词： multi-quark state Encoding.mechanism Constituent quark Particle physics

PIK3R3在生长激素型垂体神经内分泌肿瘤中的表达及其生物学功能研究

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中华神经外科杂志 2024年第6期40卷 618-625页

作者：张港汪攀廖彬龚胜吴南重庆医科大学重庆400016 重庆市人民医院神经外科重庆401147

目的探讨磷酸肌醇3激酶调节亚基3(PIK3R3)在生长激素型垂体神经内分泌肿瘤(gh-PitNETs)中的表达及其与细胞增殖、迁移和侵袭之间的关系.方法利用基因表达数据库(gEO)中相关的PitNETs数据集,分析PIK3R3在gh-PitNETs中的表达情况.利用来... 详细信息

目的探讨磷酸肌醇3激酶调节亚基3(PIK3R3)在生长激素型垂体神经内分泌肿瘤(gh-PitNETs)中的表达及其与细胞增殖、迁移和侵袭之间的关系.方法利用基因表达数据库(gEO)中相关的PitNETs数据集,分析PIK3R3在gh-PitNETs中的表达情况.利用来源于不同PitNETs亚型的细胞株,通过蛋白质免疫印迹实验(WB)检测PIK3R3在gh3、mmQ和AtT-20细胞中的表达情况.体外培养gh3细胞,应用慢病毒感染的方法对PIK3R3进行敲低,并将细胞分为PIK3R3敲低2组(sh-PIK3R3-2)、PIK3R3敲低3组(sh-PIK3R3-3)和未转染对照组(sh-NC),通过CCK-8、EdU及集落形成实验检测各组细胞增殖速度,采用流式细胞术检测细胞凋亡,采用Transwell实验检测细胞迁移和侵袭,采用WB检测上皮型钙粘蛋白(E-cadherin)、神经型钙粘蛋白(N-cadherin)、波形蛋白(Vimentin)、基质金属蛋白酶2(mmP2)、基质金属蛋白酶9(mmP9)、AKT和磷酸化AKT(P-AKT)的表达.结果gEO数据库的数据分析结果显示,相较于正常垂体或瘤旁组织,PIK3R3在gh-PitNETs中表达上调(均Ps、促肾上腺皮质激素型PitNETs和促性腺激素型PitNETs中表达差异均无统计学意义(均P>0.05).WB检测结果显示,相较于mmQ和AtT-20细胞,PIK3R3在gh3细胞中表达更高(均Ph、48 h、72 h时间点,sh-PIK3R3-2组和sh-PIK3R3-3组细胞的吸光度值分别为0.19±0.02、0.46±0.03、1.25±0.06和0.17±0.02、0.37±0.02、1.03±0.05,均低于对照组细胞的0.24±0.02、0.64±0.04、1.67±0.09(均Psh-PIK3R3-2组和sh-PIK3R3-3组细胞的EdU阳性细胞率分别为(16.87±1.63)%和(13.45±1.33)%,均低于对照组的(34.51±2.76)%(均Psh-PIK3R3-2组和sh-PIK3R3-3组细胞的单细胞集落数分别为(84±10)个和(75±8)个,均低于对照组的(173±19)个(均Psh-PIK3R3-2组和sh-PIK3R3-3组细胞的细胞凋亡率分别为(25.62±2.14)%和(27.40±2.51)%,均高于对照组的(14.12±1.48)%(均Pswell迁移实验结果显示,sh-PIK3R3-2组和sh-PIK3R3-3组细胞的穿膜细胞数分别为(182±15)个和(166±13)个,均低于对照组的(428±27)个(均Pswell侵袭实验结果显示,sh-PIK3R3-2组和sh-PIK3R3-3组细胞的穿膜细胞数分别为(31±5)个和(22±3)个,均低于对照组的(64±9)个(均Pherin、Vimentin、mmP2、mmP9和P-AKT表达均降低(均Pherin表达均增加(均P0.05).结论PIK3R在gh-PitNETs中高表达,并通过激活AKT信号传导,促进肿瘤细胞增殖、迁移和侵袭.

关键词：垂体肿瘤磷酸肌醇3激酶调节亚基3 细胞增殖细胞迁移细胞侵袭体外研究

structural Isomers:small Change with Big Difference in Anion storage

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Nano-micro Letters 2024年第1期16卷 222-234页

作者： huichao Dai Yuan Chen Yueyue Cao manli Fu Linnan guan guoqun Zhang Lei gong mi Tang Kun Fan Chengliang Wang s.hool of Integrated Circuits Wuhan National Laboratory for Optoelectronics(WNLO)Huazhong University of Science and TechnologyWuhan 430074People’s Republic of China Wenzhou Advanced manufacturing Institute Huazhong University of Science and TechnologyWenzhou 325035People’s Republic of China hubei Key Laboratory of Polymer materials School of Materials Science and EngineeringHubei UniversityWuhan 430062People’s Republic of China s.hool of Chemistry and Environmental Engineering Wuhan Institute of TechnologyWuhan 430073People’s Republic of China

Organic electrode materials are promising for ***,the reported organic electrodes are often facing the challenges of low specific capacity,low voltage,poor rate capability and vague charge storage mechanisms,*** are good platform to investigate the charge storage mechanisms and enhance the performance of batteries,which,however,have not been focused in ***,two isomers are reported for *** a result,the isomer tetrathiafulvalene(TTF)could store two monovalent anions reversibly,deriving an average dis.harge voltage of 1.05 V and a specific capacity of 220 mAh g−1 at a current density of 2 *** the other hand,the other isomer tetrathianaphthalene could only reversibly store one monovalent anion and upon further oxidation,it would undergo an irreversible solid-state molecular rearrang.ment to *** molecular rearrang.ment was confirmed by electrochemical performances,X-ray diffraction patterns,nuclear magnetic resonance spectra,and 1h detected heteronuclear multiple bond correlation *** results suggested the small structural change could lead to a big difference in anion storage,and we hope this work will stimulate more attention to the structural design for boosting the performance of organic batteries.

关键词： Zinc-organic batteries Isomers solid-state molecular rearrang.ment Anion storage P-type organic electrode materials

Thiosulfate oxidation and autotrophy potential by marine prevalent heterotrophic bacteria of genus marinobacter

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Acta Oceanologica sinica 2024年第08期 89-97页

作者： Fei Xu Xiang Zeng Yadong gong Zongze shao s.hool of Fisheries and Life Shanghai Ocean University Key Laboratory of marine Biogenetic Resources Third Institute of Oceanography Ministry of Natural Resources Faculty of marine Biology Xiamen Ocean Vocational College

The genus marinobacter is very broadly distributed in global environments and is considered as aerobic heterotroph. In this study, six marinobacter strains were identified with autotrophic thiosulfate oxidation *** strains, namely marinobacter guineae m3BT, marinobacter aromaticivorans D15-8PT, marinobacter vulgaris F01T, marinobacter profundi PWs21T, marinobacter denitrificans JB02h27T, and marinobacter sp. sT-1m（with a 99.93% similarity to the 16s rDNA sequences of marinobacter salsuginis sD-14BT）, were screened out of 32marinobacter strains by autotrophic thiosulfate oxidization medium. The population of cells grew in a chemolithotrophic medium, increasing from 10～5 cells/mL to 10～7 cells/mL within 5 d. This growth was accompanied by the consumption of thiosulfate 3.59 mmol/L to 9.64 mmol/L and the accumulation of sulfate up to 0.96 mmol/L, and occasionally produced sulfur containing complex particles. Among these marinobacter strains, it was also found their capability of oxidizing thiosulfate to sulfate in a heterotrophic medium. Notably, m. vulgaris F01Tand *** Zs2-30Tshowed highly significant production of sulfate at 9.45 mmol/L and 3.10 mmol/L. genome annotation indicated that these marinobacter strains possess a complete sox cluster for thiosulfate *** phylogenetic analysis of the sox B gene revealed that six marinobacter strains formed a separate lineage within g.mmaproteobacteria and close to obligate chemolithoautotroph Thiomicrorhabdus arctica. The results indicated that thiosulfate oxidizing and chemolithoautotrophic potential in marinobacter genus, which may contribute to the widespread of marinobacter in the global ocean.

关键词：

Thiosulfate oxidation and autotrophy potential by marine prevalent heterotrophic bacteria of genus marinobacter

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Acta Oceanologica sinica 2024年第8期43卷 89-97页

作者： Fei Xu Xiang Zeng Yadong gong Zongze shao s.hool of Fisheries and Life Shanghai Ocean UniversityShanghai 201306China Key Laboratory of marine Biogenetic Resources Third Institute of OceanographyMinistry of Natural ResourcesXiamen 361005China Faculty of marine Biology Xiamen Ocean Vocational CollegeXiamen 361100China

The genus marinobacter is very broadly distributed in global environments and is considered as aerobic *** this study,six marinobacter strains were identified with autotrophic thiosulfate oxidation *** strains,namely marinobacter guineae m3B^(T),marinobacter aromaticivorans D15-8PT,marinobacter vulgaris F01^(T),marinobacter profundi PWs21^(T),marinobacter denitrificans JB02h27T,and marinobacter ***-1m(with a 99.93%similarity to the 16s rDNA sequences of marinobacter salsuginis sD-14B^(T)),were screened out of 32 marinobacter strains by autotrophic thiosulfate oxidization *** population of cells grew in a chemolithotrophic medium,increasing from 105 cells/mL to 10^(7) cells/mL within 5 *** growth was accompanied by the consumption of thiosulfate 3.59 mmol/L to 9.64 mmol/L and the accumulation of sulfate up to 0.96 mmol/L,and occasionally produced sulfur containing complex *** these marinobacter strains,it was also found their capability of oxidizing thiosulfate to sulfate in a heterotrophic ***,*** F01^(T)and *** Zs2-30^(T)showed highly significant production of sulfate at 9.45 mmol/L and 3.10 mmol/*** annotation indicated that these marinobacter strains possess a complete sox cluster for thiosulfate *** phylogenetic analysis of the soxB gene revealed that six marinobacter strains formed a separate lineage within g.mmaproteobacteria and close to obligate chemolithoautotroph Thiomicrorhabdus *** results indicated that thiosulfate oxidizing and chemolithoautotrophic potential in marinobacter genus,which may contribute to the widespread of marinobacter in the global ocean.

关键词： marinobacter thiosulfate oxidation autotrophic mixotroph