Core Viewpoint - The Chinese Academy of Sciences High Energy Physics Institute has announced a procurement intention for 20 items of scientific instruments and equipment, with a total budget of 175 million yuan, expected to be purchased between April and November 2025 [2][3]. Procurement Overview - The procurement includes high-gradient superconducting cavity systems, low-temperature temperature sensors, high-efficiency energy recovery type klystrons, photodetector arrays, and inductively coupled plasma mass spectrometers [3][5]. - The total budget for these items is 175 million yuan, indicating significant investment in advanced scientific research equipment [3][5]. Detailed Procurement List - High-gradient superconducting cavity system: Budget of 12.5 million yuan, aimed at developing key system equipment for particle acceleration [5]. - Low-temperature temperature sensor: Budget of 3.1 million yuan, designed for high precision temperature measurement in strong magnetic and radiation environments [5]. - High-efficiency energy recovery klystron: Budget of 2.5 million yuan, with a continuous wave output power of 800 kW and efficiency over 85% [5]. - Photodetector array: Budget of 1.95 million yuan, intended for maintenance and performance upgrades of the SiPM camera core device [5]. - Inductively coupled plasma mass spectrometer: Budget of 1.9 million yuan, for quality control of isotopes produced in research [5]. Additional Equipment and Upgrades - The procurement also includes various upgrades and new installations for existing equipment, such as temperature measurement devices and control systems for power cabinets [6][7]. - Specific items include 3He tube neutron detectors for cold non-elastic spectrometers and backscattering spectrometers, with budgets of 8.736 million yuan and 8.2 million yuan respectively [7]. Conclusion - The procurement plan reflects a strategic investment in high-tech scientific instruments, which is expected to enhance research capabilities in high-energy physics and related fields [2][3].