场发射扫描电镜
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电镜专家李永良35年经验,教科书上写不下的,都在这门课里了
仪器信息网· 2026-02-17 09:01
特别提示 微信机制调整,点击顶部"仪器信息网" → 右上方"…" → 设为 ★ 星标,否则很可能无法看到我 们的推送。 在材料、化学、环境等领域的科研与检测中,场发射扫描电镜是解析微观结构的 "核心武器"。 但不少人被理论抽象、实操复杂、进阶无门等问题困住——别急, 《场发射扫描电镜专业进阶 2 0讲》 来了! 北京师范大学分析测试中心李永良老师携3 5年实战经验亲授,用2 0讲系统课程 + 5大带教服务,帮你从 "电镜新手" 蜕变为 "微观解析高手"! 为什么一定要学这门课? 场发射扫描电镜是科研与工业检测的 "硬通货" 技能,但学习痛点突出: 本训练营直击痛点,聚焦 "学懂、会用、能进阶",让你真正掌握这一核心工具! 学完能收获什么? 理论层面:构建完整知识体系,吃透电镜原理与成像机制; 理论难啃:电子成像、成分分析等原理抽象,自学如同 "看天书"; 实操卡壳:样品制备、参数调试缺乏系统指导,容易走弯路; 进阶无门:高分辨成像、特殊样品分析等高阶技术,找不到实战方法。 实操层面:掌握样品制备、参数调试、故障排查,实验效率提升 5 0%+; 进阶层面:解锁高分辨成像、特殊样品分析,突破科研 / 检测瓶颈; ...
9166万元!大连民族大学2026年大批仪器采购意向
仪器信息网· 2026-02-02 03:55
Core Insights - Dalian Minzu University has announced multiple government procurement intentions for laboratory instruments, with a total budget of 91.66 million yuan, covering 24 items including advanced scientific equipment [1][2]. Procurement Overview - The procurement includes high-end instruments such as field emission scanning electron microscopes, femtosecond pump-probe systems, X-ray steady-state transient fluorescence spectrometers, and UV-near-infrared absolute quantum efficiency testers, with expected procurement time from March 2025 to May 2026 [2][3]. - The total budget for the procurement is 91.66 million yuan, indicating significant investment in enhancing the university's research capabilities [1][2]. Detailed Procurement List - The procurement list includes: - 55 pieces of equipment for the Nano Science and Engineering discipline platform construction, with a budget of 2.97 million yuan [3]. - Various instruments such as optical spectrometers, laser systems, and environmental testing equipment, aimed at improving basic teaching conditions [4][5]. - Specific items include: - 1 unit of 600 MHz NMR spectrometer, which supports complex experimental pulse sequences for high-resolution analysis [5]. - 1 unit of high-throughput single-cell screening system and 1 unit of gas chromatography for advanced research applications [5][6]. Investment in Educational Infrastructure - The procurement aims to enhance educational infrastructure across various disciplines, including environmental and resource engineering, mechanical engineering, and life sciences, reflecting a commitment to improving teaching and research conditions [4][5][6]. - The investment is expected to significantly boost the university's capabilities in scientific research and education, aligning with national strategic goals [5][6].
2025年扫描电镜中标盘点,国产替代加速破局
仪器信息网· 2026-02-01 09:01
Core Insights - The total market value of the scanning electron microscope (SEM) bidding market in 2025 is projected to reach 1.8 billion yuan, with 534 units procured, primarily driven by demand from East and North China, and universities being the main purchasers [1][4][6]. Market Overview - The SEM bidding market in 2025 is characterized by a total value of 1.8 billion yuan and a procurement of 534 units, with demand spanning 385 purchasing entities and 26 bidding brands, indicating a diverse competitive landscape [4]. - East China accounts for 27.7% of the procurement value, while North China follows with 22.2%, together representing nearly half of the total market [8]. - Universities, industrial enterprises, and research institutes dominate the purchasing landscape, collectively accounting for over 90% of the market [4][14]. Demand Structure - East and North China are identified as the core demand regions, with a significant concentration in both procurement value and quantity [8]. - In terms of purchasing entities, universities lead with a 58.6% share in monetary terms, followed by industrial enterprises at 19.2% and research institutes at 13.0% [14][15]. Brand Competition - Imported brands hold a dominant position in the SEM market, with a bidding amount share of 71.6% and a quantity share of 64.2%, while domestic brands account for 24.4% and 31.6%, respectively [18][22]. - In terms of monetary value, Thermo Fisher and Zeiss lead with 24.1% and 23.4% market shares, respectively, while Guoyi Quantum follows with 15.9% [20]. Product Distribution - Field emission scanning electron microscopes dominate the market, accounting for 57.4% of the bidding amount, while tungsten filament SEMs represent only 7.8% [23]. - The average bidding prices for different types of SEMs show significant variation, with field emission SEMs averaging 3.724 million yuan [26]. Popular Models - Guoyi Quantum has the highest number of models listed among the popular bidding models, with four models making the list, reflecting its strong market presence [28]. - The top models include Hitachi SU8600 with 43 units, Zeiss Sigma360 with 29 units, and several models from Guoyi Quantum, indicating a robust product lineup [27].
1.67亿元设备更新!哈尔滨医科大学采购大批仪器设备
仪器信息网· 2025-11-12 03:55
Core Insights - Harbin Medical University has announced procurement intentions for 24 items of laboratory equipment, with a total budget of 167 million yuan, scheduled for procurement between April and November 2025 [2][5]. Procurement Overview - The procurement includes advanced instruments such as field emission scanning electron microscopes, multi-spectral quantitative pathological analysis systems, ultra-high resolution microscopes, and triple quadrupole liquid chromatography-mass spectrometry systems [2][6]. - The total budget for the procurement is 167 million yuan, indicating significant investment in laboratory capabilities [5]. Detailed Procurement List - The procurement list includes various items categorized under different projects, with specific quantities and budget allocations: - Field emission scanning electron microscope: 1 set, budget 14 million yuan [6]. - Multi-spectral quantitative pathological analysis system: 1 set, budget 3.5 million yuan [6]. - Ultra-high resolution microscope: 1 set, budget 8.14 million yuan [6]. - Transmission electron microscope: 1 set, budget 4.2 million yuan [6]. - Triple quadrupole liquid chromatography-mass spectrometry system: 1 set, budget 4.7 million yuan [6]. - Live cell high-content imaging analysis system: 1 set, budget 7.2 million yuan [6]. - Additional items include various medical and laboratory equipment, with budgets ranging from hundreds of thousands to millions of yuan, reflecting a comprehensive upgrade of laboratory facilities [6][7].
钢研纳克:公司将在第二十一届北京分析测试学术报告会暨展览会展出多款分析测试仪器产品
Zheng Quan Ri Bao Wang· 2025-09-04 11:45
Core Viewpoint - The company Steel Research Nack (300797) will showcase various analytical testing instruments at the 21st Beijing Conference on Analytical Testing Academic Reports and Exhibition (BCEIA2025) [1] Group 1: Company Products - The company will exhibit the CCD7000 direct-reading spectrometer, ONH5500 oxygen, nitrogen, and hydrogen analyzer, ICP3000 inductively coupled plasma spectrometer, OPA-1000 fully automatic large-size metal component in-situ analyzer, and field emission scanning electron microscope [1]
电镜实操总踩坑?李永良老师亲授《场发射扫描电镜专业进阶训练营》限时开营,仅 20 个名额速抢!
仪器信息网· 2025-07-19 13:34
Group 1 - The article highlights that Liaoning University of Traditional Chinese Medicine has released multiple government procurement intentions, with a total budget of 168 million yuan for one item of equipment [1] Group 2 - The article discusses the importance of field emission scanning electron microscopy (FESEM) in research and testing within materials, chemistry, and environmental fields, describing it as a "core weapon" for analyzing microstructures [2] - It addresses common challenges faced by learners, such as abstract theoretical concepts, complex practical operations, and a lack of advanced learning pathways [2] Group 3 - A training camp is introduced to help individuals overcome these challenges, focusing on understanding, application, and advancement in using FESEM [3] - Participants can expect to build a complete knowledge system, improve experimental efficiency by over 50%, and unlock advanced techniques in high-resolution imaging and special sample analysis [3] Group 4 - The training program offers a certificate upon completion, along with practical experience, positioning participants as "FESEM experts" within their teams, which can aid in job applications and project proposals [4]
近1亿元,大连交通大学采购大批仪器设备
仪器信息网· 2025-07-10 08:19
Core Viewpoint - Dalian Jiaotong University has announced multiple government procurement intentions for laboratory equipment, with a total budget of 95.22 million yuan, indicating significant investment in research and education infrastructure [1][2]. Procurement Summary - The procurement includes four major categories of equipment: FIB focused ion beam system, PPMS comprehensive physical property measurement system, field emission scanning electron microscope, and dynamic signal testing analysis equipment, with an expected procurement period from December 2024 to October 2025 [2][4]. Equipment Demand Overview - The budget allocation for the procurement projects is as follows: - **Physical Analysis Testing Center Equipment Update**: 25 million yuan for FIB focused ion beam system, PPMS comprehensive physical property measurement system, and field emission scanning electron microscope, scheduled for December 2024 [4]. - **Rail Transportation Digital Factory**: 68 million yuan for approximately 200 sets of equipment, including smart welding, CNC processing, industrial robots, and various teaching and simulation systems, planned for October 2025 [4]. Specific Testing Projects - A fatigue testing project for typical wheel materials is planned, focusing on CL65, CL70, and ZL-C materials, with a budget of 720,000 yuan, expected to be completed by January 2025 [6]. - The procurement of teaching instruments for new engineering disciplines, including intelligent manufacturing and software engineering, is budgeted at 150,000 yuan, also targeted for January 2025 [6].