搜索结果: 1-15 共查到“理学 tin”相关记录38条 . 查询时间(0.046 秒)
在国家自然科学基金项目（批准号：22172156、22321002、22125205和92045302）等资助下，中国科学院大连化学物理研究所肖建平研究员团队和汪国雄研究员团队合作利用反向人工氮循环路线，在电催化合成氨领域取得进展。相关研究成果以“铜锡合金催化剂用于一氧化氮电化学合成氨（Electrochemical synthesis of ammonia from nitric oxide using a copper-tin alloy catalyst）”为题，于2023年11月6日发表在《自然•能源》（Nature Energy）杂志上。论文链接：https://doi.org/10.1038/s41560-023-01386-6。中国学者在电催化一氧化氮合成氨研究领域取得进展（图）
电催化 合成 循环
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2024/8/30
在国家自然科学基金项目（批准号：22172156、22321002、22125205和92045302）等资助下，中国科学院大连化学物理研究所肖建平研究员团队和汪国雄研究员团队合作利用反向人工氮循环路线，在电催化合成氨领域取得进展。相关研究成果以“铜锡合金催化剂用于一氧化氮电化学合成氨（Electrochemical synthesis of ammonia from nitric oxide u...
HiLumi News: Recovery of an HL-LHC niobium–tin magnet（图）
HL-LHC 铌锡磁铁 加速器
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2023/5/25
CERN and the US Accelerator Upgrade Project (AUP, a consortium of various US institutions including Fermilab, BNL and LBNL laboratories based at Fermilab) are working in tandem to develop, build and t...
HiLumi News: 7.2-m-long niobium–tin quadrupole magnet manufactured at CERN reaches nominal current for the first time（图）
欧洲核子研究中心 铌锡四极杆磁铁 标称电流
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2023/5/26
Another success for the HL-LHC magnet programme: after the successful endurance test of a 4.2-metre-long niobium–tin quadrupole magnet in the United States in spring 2022, the HL-LHC quadrupole’s long...
HL-LHC magnet endurance test further confirms niobium–tin’s resilience（图）
HL-大型强子对撞机 耐久性测试 铌锡磁铁 弹性
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2023/5/26
Future accelerator projects, including the high-luminosity upgrade of the Large Hadron Collider, will rely on niobium–tin (Nb3Sn) alloys for their superconducting components, such as electromagnets. T...
沉积温度对直流磁控溅射TiN薄膜结构和表面形貌的影响
磁控溅射 锆合金 氮化钛 沉积温度
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2018/10/8
利用直流磁控溅射技术,在锆合金基体表面上研究不同基体温度对沉积TiN薄膜的影响.分别采用X射线衍射仪和扫描电子显微镜(SEM)对TiN薄膜结构、表面形貌和截面形貌进行了研究.研究结果表明:TiN薄膜在不同沉积温度下晶格取向是不同的;200 ℃时,TiN为随机取向;300 ℃时,TiN薄膜以(111)为择优取向;400 ℃时,薄膜晶化质量不断提高,最后逐渐趋于稳定.300 ℃时,薄膜的致密性与均匀性...
Gray tin exhibits novel topological electronic properties in 3D
Gray tin novel topological electronic properties 3D
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2017/4/27
In a surprising new discovery, alpha-tin, commonly called gray tin, exhibits a novel electronic phase when its crystal structure is strained, putting it in a rare new class of 3D materials called topo...
ANALYSIS OF TIN-STRUCTURE PARAMETER SPACES IN AIRBORNE LASER SCANNER DATA FOR 3-D BUILDING MODEL GENERATION
LIDAR Triangulation Cluster Analysis
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2015/6/1
The derived building models were evaluated for their correctness and geometric accuracy. Well-defined building roof planes can be
extracted and reconstructed successfully, while disturbances such as...
TiN(001)表面上3N1Ti1Si岛构型及其演变的第一性原理研究
界面形成条件 相分离 构型演变 激活能 第一性原理
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2013/9/28
为了研究Ti-Si-N薄膜生长过程中界面的形成,采用第一性原理计算了在TiN(001)表面上3N1Ti1Si岛的各构型的总能量和吸附能,并计算了Si-in-3N1Ti构型转向Ti-in-3N1Si构型的两种演变方式所对应的激活能。计算结果表明:在3N1Ti1Si的几种构型中,Ti-in-3N1Si构型是最低能量的稳定结构,这种构型是由SiN相从TiN相中分离出来而形成的;两种演变方式中以Si粒子迁...
Tin isotope analysis of cassiterites from Southeastern and Eastern Asia
MC-ICP-MS tin isotopic variation cassiterite hydroiodic acid
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2017/4/11
An analytical technique is presented for isotope analysis of a Sn ore mineral, cassiterite. Hydroiodic acid was used to
successfully decompose the cassiterite samples. An extraction chromatographic m...
Ab-initio calculations for the beta-tin diamond transition in Silicon: comparing theories with experiments
Ab-initio calculations for the beta-tin diamond transition Silicon:
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2010/11/19
We investigate the pressure-induced metal-insulator transition from diamond to β-tin in bulk Silicon,using quantum Monte Carlo (QMC) and density functional theory (DFT) approaches. We show
that it is...
Nanopattern-stimulated superconductor-insulator transition in thin TiN films
Nanopattern-stimulated superconductor-insulator transition thin TiN films
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2010/11/18
We present the results of the comparative study of the influence of disorder on transport prop-
erties in continuous and nanoperforated TiN films. We show that nanopatterning turns a thin
TiN film i...
Tin telluride: a weakly co-elastic metal
Tin telluride weakly co-elastic metal
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2010/11/18
We report resonant ultrasound spectroscopy (RUS), dilatometry/magnetostriction, magnetotransport,magnetization, speci c-heat, and 119Sn Mossbauer spectroscopy measurements on SnTe and Sn0:995Cr0:005T...
Thermodynamical insight on the role of additives in shifting the equilibrium between white and grey tin
white tin grey tin Debye temperature equilibrium transition
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2010/11/19
In this study methods of statistical thermodynamics were applied to white tin –grey tin equilibrium to find if there is any correlation between Debye temperature of an additive and its effect on the e...
Skyrme-Hartree-Fock Description of the Dipole Strength in Neutron-Rich Tin Isotopes
Skyrme-Hartree-Fock Description Dipole Strength Neutron-Rich Tin Isotopes
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2011/1/7
Low-energy E1 strength in neutron-rich 132−164Sn isotopes is analyzed in the framework of the Skyrme random phase approximation (RPA) with different Skyrme forces. A double folding procedure is ...