In this paper,the multi cross-rolling and cryogenic treatment were adopted to process the AZ31 Mg alloy to study the influence of passes and cryogenic treatment on cross-rolled AZ31 Mg alloy.The tensile properties and...In this paper,the multi cross-rolling and cryogenic treatment were adopted to process the AZ31 Mg alloy to study the influence of passes and cryogenic treatment on cross-rolled AZ31 Mg alloy.The tensile properties and hardness were tested.The microstructure was characterized using electron backscatter diffraction(EBSD),transmission electron microscopy(TEM),and scanning electron microscopy(SEM)in order to elucidate the influencing mechanism.The results indicate that the treatment method can significantly improve the mechanical properties of AZ31 Mg alloy.The 3-pass sample processed by cryogenic treatment shows the highest strength(351 MPa)and has the highest hardness(76.1HV)and best hardness uniformity(standard deviation=0.9HV).The 2-pass sample has the highest ductility among all the samples but poor hardness evenness.The strengthening mechanism of 3-pass sample can be attributed to the fine grains,bimodal structure,high dislocation density,and precipitation strengthening.Due to repeated heat preservation of 4-pass and 5-pass,their comprehensive performances decrease.展开更多
Recently the LTAG technology combining selective hydro-saturation of LCO with selective catalytic cracking technology for producing high-octane gasoline or light aromatic hydrocarbons has passed technical appraisal.
On 46,Dec.1996 the members of specialist group organized by the Gvi1 Aviation Administration of China(CAAC)and the Aviation Industries of China(AIC)conduct the prelimi nary examination of“211 Project"(Constructi...On 46,Dec.1996 the members of specialist group organized by the Gvi1 Aviation Administration of China(CAAC)and the Aviation Industries of China(AIC)conduct the prelimi nary examination of“211 Project"(Construction of 100 key colleges a nd universities of China in 21 century)ofNanjing University of Aeronautics and Astronautics(NUAA).展开更多
On October 18—19, 2018, three R&D achievements for realizing the Chinese content of coal chemical industry, including the DCS system for Sinopec’s large coal deep processing project, the methanol syngas compress...On October 18—19, 2018, three R&D achievements for realizing the Chinese content of coal chemical industry, including the DCS system for Sinopec’s large coal deep processing project, the methanol syngas compressor train, and the large water-cooled and gas-cooled methanol synthesis reactors, had passed the appraisal in Ordos city of Inner Mongolia. It is learned that these three projects are being applied for the first time in China’s coal chemical industry to symbolize new breakthroughs in the Chinese content of major equipment owned by the Sinopec Corp., which boasts a range of independent intellectual property rights to push forward the technical advancement of national industry.展开更多
The impact of multi-directional compression passes on the microstructure,mechanical properties,and corrosion behavior of ZK60 magnesium alloy was investigated.Results reveal that severe dendrite segregation exists in ...The impact of multi-directional compression passes on the microstructure,mechanical properties,and corrosion behavior of ZK60 magnesium alloy was investigated.Results reveal that severe dendrite segregation exists in the as-cast ZK60 magnesium alloy with coarse MgZn phases distributed along the grain boundaries.After 9 passes of compression,the coarse solidified phases at the grain boundary are significantly refined,and back dissolution occurs.Fine recrystallized grains accompanied with the fine diffused nano-phases emerge in the local area around the large grains.The tensile strength of ZK60 magnesium alloy generally exhibits the upward trend with the increase in compression passes,whereas the compression rate shows the downward trend.The compressive strength reaches 433.6 MPa with the compression rate of 21.3%after 9 passes of compression.Multi-directional compression can significantly reduce the degradation rate of ZK60 magnesium alloy in simulated body fluids.Furthermore,it is observed that in the ascast ZK60 magnesium alloy,micro-segregation can easily lead to severe intragranular local corrosion.However,after multidirectional compression,the tendency to intragranular local corrosion is significantly diminished.展开更多
On January 20,2021,the new-generation isodewaxing catalyst RIW-30 developed by the SINOPEC Research Institute of Petroleum Processing(RIPP)has passed the technical review organized by the SINOPEC Science and Technolog...On January 20,2021,the new-generation isodewaxing catalyst RIW-30 developed by the SINOPEC Research Institute of Petroleum Processing(RIPP)has passed the technical review organized by the SINOPEC Science and Technology Division.The experts attending the technical review meeting have unanimously recognized that this catalytic materials for isodewaxing of petroleum products has achieved a great leap type progress to attain an outstanding catalytic performance,which has reached the internationally advanced level.展开更多
Recently,The project“Research on carbon-based nanomaterials”has passed the technical review organized by the SINOPEC Science and Technology Division.The experts attending the technical review meeting have unanimousl...Recently,The project“Research on carbon-based nanomaterials”has passed the technical review organized by the SINOPEC Science and Technology Division.The experts attending the technical review meeting have unanimously recognized that this research achievement has set up a SINOPEC knowledge and technical platform for the novel carbon-based nanomaterials,the commercial scale-up and application of which should be studied effectively by virtue of cooperation between the industry and the universities to provide technical support to SINOPEC in the emerging field of carbon composites.展开更多
Recently,the SINOPEC’s technical development project“Development and application of large styrene reactor and the vertical type combined heat exchanger”jointly undertaken by the SINOPEC Shanghai Engineering Co.,Ltd...Recently,the SINOPEC’s technical development project“Development and application of large styrene reactor and the vertical type combined heat exchanger”jointly undertaken by the SINOPEC Shanghai Engineering Co.,Ltd.(SSEC)under the SINOPEC Engineering(Group)Co.,Ltd.(SEG)and the East China University of Science and Technology has passed the appraisal of achievements organized by the Science and Technology Division of the Sinopec Corp.展开更多
Recently the project“Development of high-efficiency acrylonitrile catalyst and commercial test of improved type SANC-11+catalyst for producing acrylonitrile”developed by the SINOPEC Shanghai Research Institute of Pe...Recently the project“Development of high-efficiency acrylonitrile catalyst and commercial test of improved type SANC-11+catalyst for producing acrylonitrile”developed by the SINOPEC Shanghai Research Institute of Petrochemical Technology(SRIPT)has passed the appraisal organized by the Sinopec Corp.The expert team attending the appraisal meeting has admitted that the improved SANC-11+catalyst developed by the said project features high product yield along with good pressure resistance and stability,with its consumption data being at the leading level in the industry.展开更多
On December 9, 2014 the scientific research project ＂Developmentand commercial application of technology forultra-deep HDS of diesel （RTS）＂ jointly performed bythe SINOPEC Research Institute of Petroleum Processin...On December 9, 2014 the scientific research project ＂Developmentand commercial application of technology forultra-deep HDS of diesel （RTS）＂ jointly performed bythe SINOPEC Research Institute of Petroleum Processing（RIPP）, the Yanshan Petrochemical Branch Company（YPBC）, the Maoming Petrochemical Branch Companyand the Guangzhou Petrochemical Branch Company haspassed in Beijing the technical appraisal organized by theScience and Technology Division of the Sinopec Corp.展开更多
On January 7, 2015 the project ＂Study on the technology formanufacture of high-spheroidicity FCC catalysts ＂undertakenby the SINOPEC Research Institute of Petroleum Processing（RIPP） has passed the technical apprai...On January 7, 2015 the project ＂Study on the technology formanufacture of high-spheroidicity FCC catalysts ＂undertakenby the SINOPEC Research Institute of Petroleum Processing（RIPP） has passed the technical appraisal organized by theScience and Technology Division of the Sinopec Corp.展开更多
The research project'Development and application of FCC additive for maximization of propylene and isobutylene'jointly undertaken by RIPP,the Baling Petrochemical Company(BPC)and the SINOPEC
On Dec. 15, 2013, three projects ＂ R ＆ D and Application of Long Life Submerged Entry Nozzle lbr Oxygen- and Manganese-rich Steel＂, ＂ R ＆ D and Application of Long Life Slag Line MgO-C Bricks for VD Refining Ladl...On Dec. 15, 2013, three projects ＂ R ＆ D and Application of Long Life Submerged Entry Nozzle lbr Oxygen- and Manganese-rich Steel＂, ＂ R ＆ D and Application of Long Life Slag Line MgO-C Bricks for VD Refining Ladle＂ and ＂ R ＆ D and Application of Al2O3-SiC Gunning Castables＂ of Puyang Refractories Group Co., Ltd. passed the appraisal of scientific and technological achievements organized by Henan Bureau of Science and Technology.展开更多
Currently the project'Development and commercia application of FCC catalyst for boosting gasoline yield'jointly undertaken by the SINOPEC Research Institute of Petroleum Processing(RIPP),the SINOPEC Yanshan Br...Currently the project'Development and commercia application of FCC catalyst for boosting gasoline yield'jointly undertaken by the SINOPEC Research Institute of Petroleum Processing(RIPP),the SINOPEC Yanshan Branch Co.and the Branch of SINOPEC Catalyst Company has passed the appraisal.The catalyst aimed at boosting展开更多
On June 16,2016 the technical achievement of the Shaanxi Yanchang Oil Group relating to ＂the integrated process technology for comprehensive utilization of coal,oil and gas and their commercial application＂ has pass...On June 16,2016 the technical achievement of the Shaanxi Yanchang Oil Group relating to ＂the integrated process technology for comprehensive utilization of coal,oil and gas and their commercial application＂ has passed the experts’appraisal in Beijing.It is said that this achievement has shattered the traditional precedent and engineering paradigm of using coal or natural gas to simplistically manufacture methanol and has carved out a new mode for comprehensive utilization of coal, oil and gas resources, featuring apparent emissions reduction ef-fects with innovative nature to command a leading posi-tion internationally.展开更多
On September 14,2015 the 10 kt/a-class commercialized test project relating to the technology for methanolto-butene production with co-production of propylene(hereafter abbreviated as CMTX)has passed the scientific ac...On September 14,2015 the 10 kt/a-class commercialized test project relating to the technology for methanolto-butene production with co-production of propylene(hereafter abbreviated as CMTX)has passed the scientific achievement appraisal organized by the China Petroleum and Chemical Industries Federation(CPCIF).展开更多
基金Project(52174362)supported by the National Natural Science Foundation of ChinaProject(2023JJ10020)supported by the Natural Science Foundation of Hunan Province,China+3 种基金Project(2024RC7002)supported by the Science and Technology Innovation Program of Hunan Province,ChinaProject(2024CY2-GJHX-71)supported by the Shaanxi Provincial Key R&D ProgramProject supported by the Yancheng“Talent Plan of Yellow Sea Pearl”for Leading Talent Project,ChinaProject(2019GK1012)supported by the Hunan Innovative Province Construction Special Program,China。
文摘In this paper,the multi cross-rolling and cryogenic treatment were adopted to process the AZ31 Mg alloy to study the influence of passes and cryogenic treatment on cross-rolled AZ31 Mg alloy.The tensile properties and hardness were tested.The microstructure was characterized using electron backscatter diffraction(EBSD),transmission electron microscopy(TEM),and scanning electron microscopy(SEM)in order to elucidate the influencing mechanism.The results indicate that the treatment method can significantly improve the mechanical properties of AZ31 Mg alloy.The 3-pass sample processed by cryogenic treatment shows the highest strength(351 MPa)and has the highest hardness(76.1HV)and best hardness uniformity(standard deviation=0.9HV).The 2-pass sample has the highest ductility among all the samples but poor hardness evenness.The strengthening mechanism of 3-pass sample can be attributed to the fine grains,bimodal structure,high dislocation density,and precipitation strengthening.Due to repeated heat preservation of 4-pass and 5-pass,their comprehensive performances decrease.
文摘Recently the LTAG technology combining selective hydro-saturation of LCO with selective catalytic cracking technology for producing high-octane gasoline or light aromatic hydrocarbons has passed technical appraisal.
文摘On 46,Dec.1996 the members of specialist group organized by the Gvi1 Aviation Administration of China(CAAC)and the Aviation Industries of China(AIC)conduct the prelimi nary examination of“211 Project"(Construction of 100 key colleges a nd universities of China in 21 century)ofNanjing University of Aeronautics and Astronautics(NUAA).
文摘On October 18—19, 2018, three R&D achievements for realizing the Chinese content of coal chemical industry, including the DCS system for Sinopec’s large coal deep processing project, the methanol syngas compressor train, and the large water-cooled and gas-cooled methanol synthesis reactors, had passed the appraisal in Ordos city of Inner Mongolia. It is learned that these three projects are being applied for the first time in China’s coal chemical industry to symbolize new breakthroughs in the Chinese content of major equipment owned by the Sinopec Corp., which boasts a range of independent intellectual property rights to push forward the technical advancement of national industry.
基金Guangdong Ocean University Research Launch Project(060302062310)。
文摘The impact of multi-directional compression passes on the microstructure,mechanical properties,and corrosion behavior of ZK60 magnesium alloy was investigated.Results reveal that severe dendrite segregation exists in the as-cast ZK60 magnesium alloy with coarse MgZn phases distributed along the grain boundaries.After 9 passes of compression,the coarse solidified phases at the grain boundary are significantly refined,and back dissolution occurs.Fine recrystallized grains accompanied with the fine diffused nano-phases emerge in the local area around the large grains.The tensile strength of ZK60 magnesium alloy generally exhibits the upward trend with the increase in compression passes,whereas the compression rate shows the downward trend.The compressive strength reaches 433.6 MPa with the compression rate of 21.3%after 9 passes of compression.Multi-directional compression can significantly reduce the degradation rate of ZK60 magnesium alloy in simulated body fluids.Furthermore,it is observed that in the ascast ZK60 magnesium alloy,micro-segregation can easily lead to severe intragranular local corrosion.However,after multidirectional compression,the tendency to intragranular local corrosion is significantly diminished.
文摘On January 20,2021,the new-generation isodewaxing catalyst RIW-30 developed by the SINOPEC Research Institute of Petroleum Processing(RIPP)has passed the technical review organized by the SINOPEC Science and Technology Division.The experts attending the technical review meeting have unanimously recognized that this catalytic materials for isodewaxing of petroleum products has achieved a great leap type progress to attain an outstanding catalytic performance,which has reached the internationally advanced level.
文摘Recently,The project“Research on carbon-based nanomaterials”has passed the technical review organized by the SINOPEC Science and Technology Division.The experts attending the technical review meeting have unanimously recognized that this research achievement has set up a SINOPEC knowledge and technical platform for the novel carbon-based nanomaterials,the commercial scale-up and application of which should be studied effectively by virtue of cooperation between the industry and the universities to provide technical support to SINOPEC in the emerging field of carbon composites.
文摘Recently,the SINOPEC’s technical development project“Development and application of large styrene reactor and the vertical type combined heat exchanger”jointly undertaken by the SINOPEC Shanghai Engineering Co.,Ltd.(SSEC)under the SINOPEC Engineering(Group)Co.,Ltd.(SEG)and the East China University of Science and Technology has passed the appraisal of achievements organized by the Science and Technology Division of the Sinopec Corp.
文摘Recently the project“Development of high-efficiency acrylonitrile catalyst and commercial test of improved type SANC-11+catalyst for producing acrylonitrile”developed by the SINOPEC Shanghai Research Institute of Petrochemical Technology(SRIPT)has passed the appraisal organized by the Sinopec Corp.The expert team attending the appraisal meeting has admitted that the improved SANC-11+catalyst developed by the said project features high product yield along with good pressure resistance and stability,with its consumption data being at the leading level in the industry.
文摘On December 9, 2014 the scientific research project ＂Developmentand commercial application of technology forultra-deep HDS of diesel （RTS）＂ jointly performed bythe SINOPEC Research Institute of Petroleum Processing（RIPP）, the Yanshan Petrochemical Branch Company（YPBC）, the Maoming Petrochemical Branch Companyand the Guangzhou Petrochemical Branch Company haspassed in Beijing the technical appraisal organized by theScience and Technology Division of the Sinopec Corp.
文摘On January 7, 2015 the project ＂Study on the technology formanufacture of high-spheroidicity FCC catalysts ＂undertakenby the SINOPEC Research Institute of Petroleum Processing（RIPP） has passed the technical appraisal organized by theScience and Technology Division of the Sinopec Corp.
文摘The research project'Development and application of FCC additive for maximization of propylene and isobutylene'jointly undertaken by RIPP,the Baling Petrochemical Company(BPC)and the SINOPEC
文摘On Dec. 15, 2013, three projects ＂ R ＆ D and Application of Long Life Submerged Entry Nozzle lbr Oxygen- and Manganese-rich Steel＂, ＂ R ＆ D and Application of Long Life Slag Line MgO-C Bricks for VD Refining Ladle＂ and ＂ R ＆ D and Application of Al2O3-SiC Gunning Castables＂ of Puyang Refractories Group Co., Ltd. passed the appraisal of scientific and technological achievements organized by Henan Bureau of Science and Technology.
文摘Currently the project'Development and commercia application of FCC catalyst for boosting gasoline yield'jointly undertaken by the SINOPEC Research Institute of Petroleum Processing(RIPP),the SINOPEC Yanshan Branch Co.and the Branch of SINOPEC Catalyst Company has passed the appraisal.The catalyst aimed at boosting
文摘On June 16,2016 the technical achievement of the Shaanxi Yanchang Oil Group relating to ＂the integrated process technology for comprehensive utilization of coal,oil and gas and their commercial application＂ has passed the experts’appraisal in Beijing.It is said that this achievement has shattered the traditional precedent and engineering paradigm of using coal or natural gas to simplistically manufacture methanol and has carved out a new mode for comprehensive utilization of coal, oil and gas resources, featuring apparent emissions reduction ef-fects with innovative nature to command a leading posi-tion internationally.
文摘On September 14,2015 the 10 kt/a-class commercialized test project relating to the technology for methanolto-butene production with co-production of propylene(hereafter abbreviated as CMTX)has passed the scientific achievement appraisal organized by the China Petroleum and Chemical Industries Federation(CPCIF).
