The 2017 National Science and Technology Awards Conference was held in Beijing on January 8, 2018. Xi Jinping, Li Keqiang and other state leaders attended the conference and presented awards to the winners. Xi'an Jiaotong University hosted 7 projects to win the National Science and Technology Award, The second national university, including a national science and technology progress award innovation team award first prize, two national natural science prize two prize, two national technology invention award two prize, two national science and technology progress prize two prize.
Xi'an Jiaotong University presided over the completion of the award-winning project as follows:
1. Xi'an Jiaotong University heat and mass transfer numerical predictive control and engineering innovation team (National Science and Technology Progress Award Innovation Team Award)
Xi'an Jiaotong University Numerical predictive control of heat and mass transfer and its engineering application The innovation team aims at the basic research and the international academic frontiers, major national needs and the main battlefield of the national economy. Based on the efficient and clean utilization of thermal energy, numerical predictions of heat and mass transfer and flow problems Theory and method, high-efficiency and low-resistance gas and liquid heat exchange technology, national defense highly efficient thermal protection technology and equipment research and development, conducted in-depth system innovation research and built the world's first macro-algorithm system of all-implicit stability coupled with speed and pressure , Overcomes the international problem that the discrete format stability and accuracy of the convection term can not be combined. For the first time, a multi-scale heat transfer problem computing framework and coupling operator are constructed. The traditional concept of "increased gas resistance is greater than heat transfer enhancement" , Developed the world's leading high-efficiency low-resistance gas heat exchanger; broke through the traditional concept of "intensifying heat transfer by relying on the speed and magnitude of the fluid and its sudden change in direction", and pioneered the world's first single-shell / multi-shell continuous Spiral push flow enhancement technology; construction of hypersonic vehicle performance prediction model , To guide the design of new super insulation materials, insulation performance reached the international advanced level, the development of a large ship on the new insulation cooling device, can greatly improve their life expectancy.
After 20 years of development, the team has formed a teamwork culture of "diligent, enterprising, truth-seeking, personality development and integration of science and education". It attaches importance to basic research, focuses on the international frontier and faces the major national needs. It insists on linking theory with practice, Extensive international cooperation has been established, "new energy and unconventional energy utilization in the heat flow science and innovation guide cited base 111, '' joint laboratory of international cooperation in thermal science and engineering ',' heat flow science and Engineering Ministry of Education Key Laboratory 'and so on Scientific research base; undertake a number of national projects and enterprises commissioned major projects and projects such as national 973 plan, 863 plan, science and technology support plan, major science and technology projects, key national natural science funds, major equipment department and Navy equipment pre-research and strengthening projects Won seven national science and technology awards and eight state-level teaching achievement awards, published 759 SCI papers since 2006, has published 25 books (3 books in English), granted 80 invention patents (including the U.S. patent 2), won 45 software copyright.
The team is engaged in the research on numerical simulation and enhancement of heat and mass transfer in world-class level. The team members include 6 associate editors of international academic journals such as IJHMT, 20 editors of international journals, 20 guest editors and 6 international academic organizations. The results have been applied to such enterprises as Shenyang Blower Group Co., Ltd., Hangzhou Hangyang Heat Exchange Equipment Co., Ltd., Guangdong Kelon Air Conditioner Co., Ltd., Daqing Oilfield, Luoyang Longhua Heat Transfer Energy Co., Ltd. and other major economic benefits.
2. Metal material toughening intrinsic and external micro-nano size effect (National Natural Science Award)
The toughening of metallic materials is the eternal theme and the common key problem in the field.For the problem of the inverse relationship between the inherent strength and ductility of metallic materials, it has been found in the metallic materials with three typical crystal structures Its internal and external micro-nano size effect and the new rules and mechanisms of its coupling effect on toughening provide a theoretical basis and a new way of thinking to enhance the level of toughening.This project was published in the first-class journals such as Nature and Nature Materials Of his 8 masterpieces were cited by SCI for 558 times. Two papers were selected for ESI highly cited papers. One was selected as one of the "Most Influential International Academic Papers in China" and three academic monographs were compiled by American and German scientists The international conference including the 50-minute conference report of the International Conference on Fractures was specially invited to report 30 times, and the international authoritative scholars reviewed 2 positive special theses on Nature Materials and 3 positive comments on the topics such as Nanotoday, NPG Asia Materials, etc. Part The results were selected for the 2010 Top Ten Scientific and Technological Progress of Chinese Colleges and Universities. "Academicians from Europe, the United States and other countries and international authoritative scholars in this field pointed out: This project For a long time the people's intuition, '' to provide synchronization for improving strength and toughness, the extension of an effective way, is a very good, very exquisite typical example of '' offers the robust performance has been the pursuit of high-portfolio '.
3. Solar photocatalytic hydrogen production and storage of multi-phase flow energy transfer theory and method of collection (National Natural Science Award)
The low energy density, dispersion and discontinuity of solar energy and the substantial increase of direct solar hydrogen and light conversion efficiency are the core goals of the research. They are also the hot topics of world class. The key scientific issue is that unsteady solar radiation can be used in the hydrogen production reaction system The mechanism of multi-phase continuous flow coupled by multiphysics and the chemical reaction mechanism of hydrogen production and the rule of space-time multi-scale matching of energy flow.Through the study of the solar energy to hydrogen energy throughout the conversion process of the reaction system - phase Interface-catalyst particle flow and transport, transformation and reaction at three levels and between them, and their mutual matching mechanism, put forward a new theoretical and new method for greatly improving the conversion efficiency of hydrogen-light hydrogen, and realized the energy-efficient and low-resistance Transmission, absorption, storage and transformation of the project. Six of the eight representative papers were selected for ESI and SCI cited 1113 times. The related core technologies have authorized 7 national invention patents and formulated the first international research project on photocatalytic hydrogen production quantum efficiency and The energy efficiency of the national standard calculation and promulgated for 5 years. Project Manager presided over the completion of the two 973 projects are outstanding Results. Related theories and findings to promote The formation and development of new interdisciplinary branch streamer heterogeneous catalysis of chemical physics. Achievements are widely cited in many countries in Europe and America plus Australia and Japan, academicians and scholars in Chem Rev, Nature published son, Nano Lett, Energy Environ Sci so on.
4. High-dynamic MEMS piezoresistive special sensors and products (National Technology Invention Award)
Aerospace engines, missiles, underwater weapons, lunar landing, blasting explosion and other special fields, it is urgent to carry out high-dynamic and highly sensitive measurements of pressure and acceleration on a micro-scale and to provide performance evaluation and innovative design for the national special and military urgent products However, the traditional sensor can not solve the above measurement problems, mainly due to the inherent structure of the sensitivity and natural frequency of mutual constraints, resulting in its accuracy and poor signal-to-noise ratio, signal distortion, etc. The project lasted 10 years, Coupling, interference pretreatment and no-loss packaging sensor design new ideas, invented a high dynamic MEMS piezoresistive sensor and a series of special products to solve the national defense and petrochemical applications urgently needed.Annual invention patents granted 53, two Results passed the technical and new product identification, expert group that: 'The development of micro-high-frequency high-voltage integrated product technology has reached the international advanced level', 'Piezoresistive free field pressure sensor is a domestic initiative, breaking the PCB company in the United States Monopoly and blockade 'development of high dynamic MEMS piezoresistive special pressure / acceleration sensors and products in the aviation Aerospace engine, satellite launch, oil extraction and transportation and other national landmark scientific projects and national defense projects to achieve a typical application and industrialization, significant economic and social benefits, breaking the monopoly of foreign countries, made outstanding contributions to the localization of high-performance sensors.
5. Advanced nuclear power system multi-factor cross-dimension strong coupling dynamic analysis technology and application (National Technology Invention Award)
The nuclear power system is complex and its operating conditions are variable, presenting multi-phase, multi-factor and pathological strong coupling characteristics. The traditional one-dimensional system analysis method has great conservativeness and uncertainty. The traditional three-dimensional solid modeling method can not handle the core And other complex structures and difficult to achieve a detailed analysis of the project after 14 years of continuous research, in view of the multi-dimensional nuclear power system multi-factor thermal coupling of strong thermal safety features, the establishment of a sophisticated nuclear power plant key devices dense structure of porous media adaptive solution model And multi-zone dynamic unbalanced model, invented the whole system multidimensional multi-factor dynamic analysis technology to realize the whole system coupling analysis of core equipment, main loop system and ad hoc security system to meet the requirements of national major nuclear power project and national defense nuclear power construction Urgently needed.The project is authorized 20 invention patents, 24 software copyrights, 1 monographs, 2 teaching materials.The main achievements passed the project acceptance of the Ministry of Science and Technology, the former General Armament Department, the National Energy Administration and other organizations, the conclusion is: 'research The depth and breadth of the domestic research in related fields to reach a new starting point '' make up for the gaps in domestic research 'is better than foreign The overall technology of similar technologies "is at the leading level in the world." The project achievements have been extended to a number of domestic units to solve the technical problem of accurate cross-dimensional analysis of advanced nuclear power systems and have produced important social benefits and national defense significance. The cross-dimensional precise analysis of nuclear power system technical problems, to achieve China's third generation nuclear power (CAP1400), Hualong No. 1 and other major nuclear power projects and national defense design of the security model, has produced important social benefits and national defense significance.
6. Tax big data computing and services of key technologies and their applications (National Science and Technology Progress Award)
In combination with the requirements of the national Golden Tax Project, the project is faced with the difficult problems of multi-line length and difficulty in tax data, difficult sharing of islands and islands, difficulty in modeling high-dimensional features, difficulty in finding tax evasion and tax fraud, The complex network theory applied to tax data analysis, put forward the concept of 'taxpayers' interest related network' and overcome the relevant core technology, successfully used to find suspicion of tax evasion and tax credit management, after 10 years to develop a national tax big data analysis platform Software products, including personal tax management system, index management system, risk management system, credit management system, etc. In the State Administration of Taxation and all provincial governments, the Inland Revenue Department applies 50 million legal person taxpayers to provide services with significant economic and social benefits .It was granted 25 national invention patents, completed 13 school-enterprise transformations, 122 software copyrights, 88 software product registrations and 15 industry standards. The State Administration of Taxation commented: 'We will greatly increase the automation and intelligence of tax risk identification Level. "He Fengji academicians as the head of the experts believe that: 'based on the interests of taxpayers associated with the network tax fraud and identification with Tracking technology reached the international advanced level '. NSFC released the project results briefing (2016 sixth issue, sent to the Office of the State Council and other units):' timely identification of a large number of tax evasion and tax fraud, to save a huge amount of tax , Providing technical support for enhancing the fairness, impartiality and scientificity of state tax administration. '
7. Gas-liquid coagulation and absorption inhibition of low temperature corrosion of flue gas cooling technology and its application (National Science and Technology Progress Award)
After 20 years of mechanistic research and engineering practice, the project broke through the traditional theory that the sulfuric acid dew point temperature during the flue gas deep cooling process is a fixed point of view, invented the SO3 / H2SO4 concentration, sulfuric acid dew point temperature and low temperature corrosion testing methods Device, the technical route of condensation and absorption of gas-liquid-solid three-phase to suppress the deep-seated flue gas at low temperature is put forward, and the effective prevention and control of low temperature corrosion is achieved.A series of flue gas depth coolers and their systems, devices and products are developed. Achieve large-scale engineering applications, the product won the national key new product certification and innovation achievement gold medal.Project is authorized 43 invention patents, utility model 16, software copyright 4, the formulation of enterprise technical standards 4, published 101 papers, of which SCI / EI papers included 38. Academician Yue Guangxi acceptance and accreditation committee of experts believe that: the project in the deep structure of the flue gas cooler design, dust accumulation and low temperature corrosion and coupling prevention and control of key technologies have made more Item of innovative achievements, product performance indicators better than similar foreign products.The project has been applied to Qingdao Danone and other 11 manufacturing enterprises, has Set up 46 flue gas depth cooler production lines, the product is sold to 297 plants of Huaneng, Datang and other companies in 30 provinces and municipalities across the country, applied to 392 sets of subcritical and super (super) critical coal-fired units and exported Overseas, to achieve large-scale production and engineering applications, has made significant economic and social benefits and highlight the effect of energy-saving emission reduction.