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This paper revolves around the key research on "science and technology for the Winter Olympics, and takes "altitude training" for endurance winter sports in China as the research object. On the basis of fully understanding the current research status at home and abroad, we draw on experience from relevant research on winter and summer Olympic sports and adopt effective science-based testing and analysis methods to ensure scientific, leading-edge and innovative research results. After over 60 years of continuous attempts, China has made preliminary progress in research on hypobaric hypoxia (natural altitude) and normobaric hypoxia (simulated altitude), but the research results are mostly limited to the study of hematological indicators and exercise capacity. This paper adopts literature review, tracking study, expert interview to systematically study the development in endurance winter sports in China. Based on the review of various altitude training models and the development features of endurance winter sports in China, the application prospects of various altitude training models are expounded. We also resort to some successful cases and training data of altitude training at home and abroad, and analyze load management of the two well developed altitude training models: the "W" and "M" models, with a view to promoting altitude training for endurance winter sports in China. [ABSTRACT FROM AUTHOR]

A benchmark experiment on 238U slab samples was conducted using a deuterium–tritium neutron source at the China Institute of Atomic Energy. The leakage neutron spectra within energy levels of 0.8–16 MeV at 60° and 120° were measured using the time-of-flight method. The samples were prepared as rectangular slabs with a 30 cm square base and thicknesses of 3, 6, and 9 cm. The leakage neutron spectra were also calculated using the MCNP-4C program based on the latest evaluated files of 238U evaluated neutron data from CENDL-3.2, ENDF/B-VIII.0, JENDL-5.0, and JEFF-3.3. Based on the comparison, the deficiencies and improvements in 238U evaluated nuclear data were analyzed. The results showed the following. (1) The calculated results for CENDL-3.2 significantly overestimated the measurements in the energy interval of elastic scattering at 60° and 120°. (2) The calculated results of CENDL-3.2 overestimated the measurements in the energy interval of inelastic scattering at 120°. (3) The calculated results for CENDL-3.2 significantly overestimated the measurements in the 3–8.5 MeV energy interval at 60° and 120°. (4) The calculated results with JENDL-5.0 were generally consistent with the measurement results.

Though research and developmengt of manipulator was used in optical working, Similitude and difference were compared in realization of act and design of industry automatization with mechanism of human being and animal, Concept of conform and difference of simulation route was put forward, How was method of nbspprecision point Location achieved, It was explained to quiddity of bionics and characteristic and relation of intellectualized development of robots; Similitude and fuzzification of that movement were studied and imitated, Action was trained again and again it have contact with feedback of signal; A sort of way was brought toward to development and implement of artificial intelligence of robots.