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调控动态生长过程以构筑嵌段可换和光谱可调的有机异质结构（英文）

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science China materials 2024年

作者：赵帅许超飞余悦夏星宇王磊王雪东廖良生 1.Jiangsu Key Laboratory for Carbon-Based Functional materials & Devices, institute of Functional Nano & Soft materials (FUNSOM), Soochow University 2.Macao institute of materials science and Engineering, Macau University of science and Technology Jiangsu Key Laboratory for Carbon-Based Functional materials & Devices Institute of Functional Nano & Soft Materials (FUNSOM) Soochow University Macao institute of materials science and Engineering Macau University of Science and Technology

与单一结构相比,有机嵌段异质结构具有特殊的光电性能.然而,有机分子间的相互作用主导了异质结构构建单元的生长顺序,如有机单元A、B会自发形成BAB型结构而不是相反的ABA型结构,不能可控生长.在此,我们提出了次序结晶工程,结合晶种逐步...

与单一结构相比,有机嵌段异质结构具有特殊的光电性能.然而,有机分子间的相互作用主导了异质结构构建单元的生长顺序,如有机单元A、B会自发形成BAB型结构而不是相反的ABA型结构,不能可控生长.在此,我们提出了次序结晶工程,结合晶种逐步自组装,控制共晶R与共晶N在彼此的两端纵向外延生长,从而精确合成具有可逆嵌段构型的有机嵌段异质结构:RNR和NRN. RNR有机嵌段异质结构,由于其逐渐掺杂的异质结而表现出渐变色的发射和波导特性,而NRN有机嵌段异质结构由于其明显的构筑异质结界限而表现出纯双色发射和波导特性.本工作实现了有机嵌段异质结构中嵌段块的有序可控生长,为未来光子学发展提供了制备合理复杂有机嵌段异质结构的途径.

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Progress of Lyman-alpha-based beam emission spectroscopy(Ly BES)diagnostic on the HL-2A tokamak

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Plasma science and Technology 2024年第3期26卷 118-125页

作者：周艺轩余羿许敏柯锐聂林徐皓赵光义刘灏袁子豪肖晨雨李继全肖池阶 the HL-2A Team Southwestern institute of Physics Chengdu 610041People's Republic of China Sino-French institute of Nuclear Engineering and Technology Sun Yat-sen UniversityZhuhai 519082People's Republic of China State Key Laboratory of Nuclear Physics and Technology School of PhysicsPeking UniversityBeijing 100871People's Republic of China

An edge Lyman-alpha-based beam emission spectroscopy(LyBES)diagnostic,using a heating NBI(neutral beam injection)system,is currently under development on the HL-2A *** 20-channel edge LyBES,which is intended to measure the density fluctuation in plasma edge(from R=1960 mm to R=2026 mm)with an improved spatial resolution of 3.3 mm,is a complement to the existing conventional beam emission spectroscopy(BES)*** this article,we introduce the progress of LyBES diagnostic,including the collection optics,the monochromator,and the detector *** reflectance of the collection mirrors is measured to be~82%at 122 nm,and the aberration geometrical radius of the collection optics is tested to be~150μm in the aimed *** linear dispersion of the LyBES monochromator is designed to be~0.09 nm mm^(-1).The bandwidth of the detector system with the 5×10^(7)V A^(-1)preamplifier gain is measured to be~280 kHz,and the peak-to-peak noise of the detector system is tested to be~16 *** finalized design,components development and testing of the LyBES diagnostic have been completed at present,and an overall performance of the LyBES diagnostic is to be confirmed in the next HL-2A campaign.

关键词： density fluctuation Ly BES BES vacuum ultraviolet

The tri-band high spectral resolution spectrometer with gratings in tandem for the charge-exchange recombination spectroscopy diagnostic system on HL-2A tokamak

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Plasma science and Technology 2024年第6期26卷 103-110页

作者：刘亮余德良马倩何小斐 Maarten DE BOCK Manfred von HELLERMANN Michael WALSH 陈文锦何小雪魏彦玲张能李栋魏会领 the HL-2A Team Southwestern institute of Physics Chengdu 610041People’s Republic of China College of Physics and Optoelectronic Technology Baoji University of Arts and SciencesBaoji 721000People’s Republic of China ITER Organization Route de Vinon-sur-VerdonCS 90046St.Paul Lez Durance Cedex 13067France Fusion Spectroscopy Markgraf-Albrecht Str.14Berlin 10711Germany

Charge-exchange(CX) recombination spectroscopy is a powerful tool monitoring ion temperature and plasma rotation with good temporal and spatial resolutions. A compact, new design for a high-throughput, tri-band high spectral resolution spectrometer has been developed for the charge-exchange recombination spectroscopy measurement on the HL-2A tokamak. The simultaneous measurements of He II(468.57 nm), C VI(529.1 nm), and Dα(656.1 nm accompanied by beam emission spectra) with an acquisition frequency up to 400 Hz are achieved by vertically binning the spectrum from each fiber in experiments. Initial results indicate that the system can provide radial profiles of not only ion temperature and rotation velocity,but also concentration of carbon. For the case of helium, the measurements for the ion temperature and rotation velocity are straightforward but the apparent concentration associated with the observed CX intensity is obviously too high. Modeling of the active He II CX feature including plume contributions needs to be carried out to extract the true helium *** spectrometer could become a prototype for the ITER charge-exchange recombination spectroscopy diagnostic and the pilot experiments, as presented here, demonstrate the possibility of impurity concentrations measurements based on the combined measurement of local beam emission and charge-exchange recombination spectroscopy spectra.

关键词： CXRS ion temperature plasma rotation impurity concentration

RNA-binding Domain of the Key Structural Protein P7 for the Rice dwarf virus Particle Assembly

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Acta Biochimica et Biophysica Sinica 2005年第1期37卷 55-60页

作者： Bo-Xiong ZHONG~(1,2*) Yan-Wei SHEN~1 Toshihiro OMURA~2 ~1 Department of Bioresource science.College of Animal science,Zhejiang University,Hangzhou 310029,China ~2national Agricultural Research Center,tsukuba.Ibaraki 305,japan Department of Bioresource science College of Animal Science Zhejiang UniversityHangzhou 310029 China national Agricultural Research Centertsukuba Ibaraki 305 Japan

The Rice dwarf virus(RDV)P7 structural protein is the key protein in the RDV *** P7 protein was digested partially or completely by Staphylococcus aureus V8 protease and/orPseudomonas fragi Asp-N *** molecular mass and the N-terminal amino acid sequence of thepolypeptide fragments of the P7 protein were determined by SDS-PAGE and the Edman degradation method,*** the polypeptides were located in the deduced amino acid sequence of the RDV P7 proteinbased on the nucleotide sequence information,with the knowledge of the specific cleavage sites of theStaphylococcus aureus V8 and Pseudomonas fragi Asp-N protease,and the two RNA-binding domains in theP7 protein were *** 1 was located in the residue 128-249 containing 122 amino acids anddomain 2 was located in the residue 325-355 containing 31 amino ***,these two domains may playan important role in the virus particle assembly by contributing to the packaging of viral dsRNAs inside *** two domains may be novel RNA-binding domains,because no amino acid sequences highlysimilar to the conservative sequences of known dsRNA-binding domains reported so *** similaritybetween the motif of domain 1 and the motif of the DNA-binding protein suggests that the DNA-bindingactivity of the RDV P7 protein may be due to this *** similarity between the motif of domain 1 andthe motif of the RNA polymerase domain suggests that the P7 protein may also play a role in RNA synthesis,besides its function in the assembly and subsequent packaging of viral dsRNA into core particles.

关键词： RDV RNA-binding protein protein functional domain virion assembly RNA polymerase

High-temperature deformation of L1_2-FCC two-phase Ir-15Nb-Ni refractory superalloys

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中国有色金属学会会刊：英文版 2002年第4期12卷 780-784页

作者： Y.F.Gu, Y.Yamabee Mitarai, S.Nakazawa, H.Harada (national institute for materials science, 1 2 1 Sengen, tsukuba, Ibaraki 305 0041, japan) national institute for materials science 1-2-1 Sengen Tsukuba 日本 Ibaraki 1-2-1 national institute for materials science 1-2-1 Sengen Tsukuba 日本 Ibaraki 605-A national institute for materials science 1-2-1 Sengen Tsukuba 日本 Ibaraki 305-0041

The creep behaviors of the Ni added Ir 85 Nb 15 alloys were investigated at 1?650～1?800?℃ by compression tests in vacuum. X ray diffractometry, transmission electron microscopy and scanning electron microscopy were conducted to characterize the microstructure and lattice misfit change by the addition of Ni in the Ir 85 Nb 15 alloy. The results reveal that the Ni addition has a significant effect on the creep resistance of the Ir 85 Nb 15 two phase refractory superalloys. Basing on the results, the relationship among the Ni addition, lattice misfit, microstructure development, and the creep behavior in the Ni added Ir 85 Nb 15 alloys is discussed.

关键词：铱合金高温变形高温合金 Ir-15Nb-Ni难熔合金

Two Higgs bi-doublet left-right model with spontaneous P and CP violation

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science China(Physics,Mechanics & Astronomy) 2008年第12期51卷 1808-1825页

作者： WU YueLiang 1↑ & ZHOU YuFeng2 1 Kavli institute for Theoretical Physics China, institute of Theoretical Physics, Chinese Academy of Sci- ences, Beijing 100190, China 2 KEK, tsukuba, 305-0801, japan Kavli institute for Theoretical Physics China Institute of Theoretical Physics Chinese Academy of Sciences Beijing China KEK Tsukuba Japan

A left-right symmetric model with two Higgs bi-doublet is shown to be a consistent model for both spontaneous P and CP violation. The flavor changing neutral cur- rents can be suppressed by the mechanism of approximate global U(1) family symmetry. The constraints from neural K meson mass difference ΔmK are calcu- lated and it is demonstrated that a right-handed gauge boson W2 contribution in box-diagrams with mass well below 1 TeV is allowed due to a cancelation caused by a light-charged Higgs boson with a mass range of 150-300 GeV. The W2 con- tribution to εK can be suppressed from an appropriate choice of additional CP phases appearing in the right-handed Cabbibo-Kobayashi-Maskawa matrix. The model is also found to be fully consistent with B0 mass difference ΔmB and the mixing induced CP violation sin2βJ/ψ , which is usually difficult for the model with only one Higgs bi-doublet. The new physics beyond the standard model can be directly searched at the colliders LHC and ILC.

关键词： left-right symmetry spontaneous P and CP violation two Higgs bi-doublets new physics

R & D OF HYDROGEN ABSORBING ALLOYS IN japan

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Acta Metallurgica Sinica(English Letters) 1997年第3期10卷 249-255页

作者： K. Mii (Sumitomo Metal Industries, Ltd., 1-t-3 Otemachi, Tokyo 100, japan)M Amano (national Research institute for Metals, 1-2-1 Sengen, tsukuba 305, japan) Sumitomo Metal Industries Ltd Otemachi Japan

The R & D of hydrogen absorbing alloys in japan started in the early *** alloys such as TiMm1.5 based alloys, Fe-Ti-O alloys (e.g. FeTi1.15 O0.024) andthe(mischmetal)Ni5 based alloys (e.g. MmNi4.5 Cr0.46 Mn0.04) were developed by the early 1980s. The application of these alloys to hydrogen storage, heat storage, heat pump, hydrogen purification and motor vehicles has been tried in many iaboratories,and the various techniques for using hydrogen absorbing alloys have been *** standarkization of evaluation methods for hydrogen absorbing alloys has been promoted by the Ministry of International Trade and Industry (MITI), and four of them were established as japanese Industrial Standard (JIS).Alloys for Ni-Metal Hydride batteries have been extensively investigated since 1987in Japun. Mm-Ni-Co-Al-Mn alloys (e.g. MmNi3.55 Co0.75Al0.9Mn0.4) have been devel-oped and commereialized since 1990. The amount of production of small-size Ni-MH batteries in 1995 was about three hundred milliion in number and about one hundred billion yen. The R & D for higher enerpy-density Ni-MH batteries is intensively in *** and STA (science and Technology Agency) have promoted the R & D of hydro-gen absorbing alloys in japan by carrying out the national projects such as Sunshine Program (MITI: 1974-1993) and Utilization of Wind Engeray (STA 1980-1985). The New Sunshine Program (MITI 1993-2020) have started in 1993. This program con-tains the application of hydrogen absorbing alloys to Economical- Enerpy- City System and to We-NET (International Clean Energy System of Technology Utilizing Hydro-gen: World Energy Network.

关键词： hydrogen absorbing alloy alloying element Ni-MH battery capacity

中国政治经济学年度发展报告（2023）（下）

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政治经济学评论 2024年第3期 90+207-208页

作者： Center for Studies of Contemporary Political Economy,Research institute for 21st-Century Marxism,Nankai University·University of Chinese Academy of Social science Center for Teaching and Research on Capital,Renmin University of China national institute of Socialist Political Economy with Chinese Characteristics,Renmin University of China 南开大学·中国社会科学院大学21世纪马克思主义研究院当代政治经济学研究中心中国人民大学《资本论》教学与研究中心中国人民大学全国中国特色社会主义政治经济学研究中心

编者按2023年，高质量发展扎实推进，新质生产力加快形成，我国经济总体回升向好，圆满实现发展主要预期目标。为针对性地破解经济恢复发展中的难题，聚焦推进中国式现代化进程中的重点、难点问题，中国政治经济学界开展系统深入研究，...

编者按2023年，高质量发展扎实推进，新质生产力加快形成，我国经济总体回升向好，圆满实现发展主要预期目标。为针对性地破解经济恢复发展中的难题，聚焦推进中国式现代化进程中的重点、难点问题，中国政治经济学界开展系统深入研究，取得系列代表性成果。为准确刻画学界研究进展和轨迹，推动中国经济学理论体系的构建和完善，本刊精选议题如期奉上《中国政治经济学年度发展报告（2023）》。自2010年起，本刊连续十四年发布《中国政治经济学年度发展报告》，“年度发展报告”专栏已成为本刊标志性特色栏目。2023年报告聚焦12个专题，分为（上）（下）两篇，其中专题1—6于报告（上）篇刊登，专题7—12由报告（下）篇刊登。2023年报告（下）选题如下：

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Density of Ni-Cr Alloy in the Mushy State

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Journal of materials science & Technology 2003年第2期19卷 107-110页

作者： Feng XIAO1) Joining and Welding Research institute, Osaka University, Osaka 567-0047, japan2) School of materials science and Engineering Tianjin University, Tianjin 300072, China Joining and Welding Res. Inst. Osaka Univ. Osaka 567-0047 Japan Sch. of Mat. Sci. and Eng. Tianjin Univ. Tianjin 300072 China

The density of Ni-Cr alloy in the mushy state has been measured using the modified sessile drop method. The density of Ni-Cr alloy in the mushy state was found to decrease with increasing temperature and Cr concentration in alloy. The molar volume of Ni-Cr alloy in the mushy state therefore increases with increasing the Cr concentration in alloy. The ratio of the difference of density divided by the temperature difference between liquidus and solidus temperatures decreases with increasing Cr concentration. The density of the alloy increased with the precipitation of a solid phase in alloy during the solidification process. The temperature dependence of the density of alloy in the mushy state was not linear but biquadratic.

关键词： Ni-Cr alloy Density Molar volume Mushy state Modified sessile drop method