Core Viewpoint - The procurement project for X-ray and spectral testing systems at Hohai University has announced the winning bid, with Sanying Precision winning the bid for the 3D X-ray imaging analysis system segment at a price of 6.295 million yuan [1][3]. Summary by Sections Project Overview - The total budget for the project is 8.72 million yuan, aiming to procure seven sets of instruments, including the 3D X-ray imaging analysis system (budgeted at 6.8 million yuan), UV-visible spectrophotometer, UV-visible diffuse reflectance spectrometer, inductively coupled plasma spectrometer, full-spectrum direct-reading spectrometer, micro-arc oxidation system, and high-power anodizing system [2]. Winning Bid Details - Sanying Precision successfully won the bid for the 3D X-ray imaging analysis system segment with a bid amount of 6.295 million yuan, specifically for the model nanoVoxel-5000 [3][6]. Technical Specifications - The system features a maximum spatial resolution of 500nm and a testing resolution of ≤1μm when the working distance (distance from X-ray source to sample rotation axis) is 50mm, suitable for high-resolution and in-situ loading imaging [7]. - It supports multiple scanning imaging modes, including real-time DR projection, circular trajectory cone beam CT, ultra-wide local high-resolution cone beam CT, spiral cone beam CT, offset cone beam CT, limited angle cone beam CT, and super-resolution CT scanning [7]. - The system is equipped with an in-situ multi-coupling loading device, sub-pixel super-resolution imaging capability, and detector jitter anti-aliasing features, along with image acquisition software, image reconstruction software, and defect analysis software [7]. - The high-resolution objective lens coupled detector consists of a high-resolution camera, optical lens, scintillator, turret, etc., and includes optical lenses of 4X, 10X, and 20X, enabling high-resolution imaging under in-situ loading conditions [7]. - The X-ray shielding box is designed with a safety lock, X-ray activation display, and radiation dose equivalent of <0.8μSv/h at any position 20mm away from the box, complying with national standards [7].

Core Viewpoint - The article highlights the achievements of Du Xiaodi, a teacher at Wuhan University of Technology, who won the Grand Prize at the 17th Scientific Instrument Network Original Works Competition for his work on GC-MS analysis of polycyclic aromatic hydrocarbons (PAHs), showcasing the professionalism of frontline analytical testing workers [1][2]. Group 1: Du Xiaodi's Background and Achievements - Du Xiaodi has extensive experience in the analytical testing field, starting from basic laboratory tasks to becoming a key figure in GC-MS analysis, emphasizing the importance of combining theory with practice [2][3]. - His award-winning work reflects both practical needs and discussions within the analytical community, indicating a collaborative approach to problem-solving in the field [6]. Group 2: Insights on Instrumentation and Technology - Du emphasizes the need for rational evaluation of domestic instruments, acknowledging significant improvements while also recognizing existing gaps in stability, reliability, and automation [7]. - He advocates for a focus on core technology and the localization of key components in domestic gas chromatography and mass spectrometry instruments, stressing that true domestic production should involve independent research and development capabilities [9]. Group 3: Future Directions and Recommendations - The article discusses the importance of optimizing competition categories to balance participation and encourage more frontline workers to share their experiences and insights [10]. - Du expresses hope for the development of scientific instruments to prioritize foundational performance improvements before pursuing advanced concepts like automation and smart technology [9].

Core Viewpoint - Anhui Medical University has announced multiple government procurement intentions for laboratory instruments, with a total budget of 114 million yuan, indicating significant investment in research and educational infrastructure [1][2]. Summary by Sections Procurement Overview - The procurement includes seven types of laboratory instruments such as UV-visible spectrophotometers, fluorescence spectrometers, high-performance liquid chromatographs, ion chromatographs, flame atomic absorption spectrophotometers, and fluorescence quantitative PCR instruments [2][4]. - The expected procurement period is from January to June 2025 [2]. Specific Projects and Budgets - The total budget for the procurement is 114 million yuan, allocated for various projects aimed at enhancing the educational and research capabilities of the university [2][4]. - Specific projects include: - Public Health College's basic experimental teaching support project with a budget of 3.76 million yuan [4]. - Health Toxicology and Quarantine Experimental Teaching Support project with a budget of 4.76 million yuan [4]. - Research instrument procurement for the Basic Medical College with a budget of 4 million yuan [5]. - Construction of a population health data platform with a budget of 15 million yuan [5]. - Modern pharmacy laboratory infrastructure with a budget of 20 million yuan [5]. - Basic facility equipment procurement for the Public Health College with a budget of 20 million yuan [5]. - Biological sample library platform construction with a budget of 10 million yuan [5]. Supplier Responsibilities - Suppliers are required to ensure that all equipment meets industry standards, provide a warranty of no less than one year, and complete installation and acceptance within specified timeframes [4][5]. - Responsibilities include procurement, packaging, transportation, installation, and after-sales service [5].

导读： 本文讨论了打破"偏见"的重要性，鼓励大家大胆弘扬和使用能满足使用要求的国产仪器。提出了既要辩证、客观、实事求是的 看到国产仪器能与国外同类同档次产品抗衡的地方，又要看到国产仪器与国外同类同档次仪器的差距。 特别提示 微信公众号机制调整，请点击顶部"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。 作者： 李昌厚 中国科学院上海营养与健康 研究所 未经授权，严 禁转载 摘要：本文讨论了打破"偏见"的重要性，鼓励大家大胆弘扬和使用能满足使用要求的国产仪器。掌握用好分析仪器的 关键核心问题是打破"偏见"思想的基础；同时提出了既要辩证、客观、实事求是的看到国产光谱、色谱、质谱等常规 仪器能与国外同类同档次产品抗衡的地方，又要看到这些国产仪器与国外同类、同档次仪器的差距。 前言 在 我 国 的 分 析 仪 器 领 域 ， 有 一 个 不 容 忽 视 的 现 象 长 期 存 在 ： 实 验 室 里 ， 进 口 仪 器 占 据 主 导 地 位 ， 国 产 仪 器 往 往 被 贴 上"低端"的标签。这种现状折射出的不仅是技术差距，更是一种根深蒂固的对国产仪器的"偏见"心理。这种心理已 ...