Core Viewpoint - Chongqing University has announced procurement intentions for 30 items of scientific instruments and equipment, with a total budget of 120 million yuan, expected to be purchased between April and July 2025 [1][2]. Instrument Procurement Summary - The procurement includes high-energy linear accelerator imaging and industrial CT systems, liquid chromatography-time-of-flight mass spectrometry, variable temperature Hall effect experimental instruments, large-scale seepage erosion testing devices, environmental scanning electron microscopes, photothermal deflection spectrometers, high-speed testing machines in a wide temperature range, and micro-particle morphology characterization devices [2][3][4]. Detailed Instrument Descriptions - **Environmental Scanning Electron Microscope (ESEM)**: Capable of imaging samples with moisture or volatile components without extensive drying or coating, beneficial in biology, materials science, and geology [3]. - **Photothermal Deflection Spectrometer**: A high-sensitivity analysis tool for measuring optical absorption characteristics of materials, particularly useful for studying defects in semiconductors and nanomaterials [3]. - **High-Speed Testing Machine in Wide Temperature Range**: Designed for dynamic mechanical performance testing across extreme temperatures, crucial for evaluating material performance under varying environmental conditions [4]. Budget and Procurement Timeline - The total budget for the procurement is set at 120 million yuan, with specific allocations for various instruments, such as 5.5 million yuan for the high-energy linear accelerator imaging and industrial CT system, and 1.6 million yuan for the liquid chromatography-time-of-flight mass spectrometry [6][8]. - The expected procurement timeline is from April to July 2025, with specific delivery and installation deadlines outlined for each instrument [5][6][8]. Additional Equipment and Systems - The procurement also includes systems for organic pollutant treatment in environmental samples, Fourier transform infrared spectrometers, and high-temperature mechanical performance testing equipment, among others [8][9][10]. - The focus is on enhancing research capabilities in environmental science, materials science, and engineering applications, aligning with national "double first-class" initiatives [7][8].