Multiattribute decision making（MADM） problems, in which the weights and ratings of alternatives are expressed with intuitionistic fuzzy（IF） sets, are investigated.Firstly, the relative degrees of membership and th...Multiattribute decision making（MADM） problems, in which the weights and ratings of alternatives are expressed with intuitionistic fuzzy（IF） sets, are investigated.Firstly, the relative degrees of membership and the relative degrees of non-membership are formulated as IF sets, the weights and values of alternatives on both qualitative and quantitative attributes may be expressed as IF sets in a unified way.Then a MADM method based on generalized ordered weighted averaging operators is proposed.The proposed method is illustrated with a numerical example.展开更多
Considering the influence of reagent adjustment in different flotation bank on the final production index and the difficulty of establishing an effective mathematical model,a coordinated optimization method for dosage...Considering the influence of reagent adjustment in different flotation bank on the final production index and the difficulty of establishing an effective mathematical model,a coordinated optimization method for dosage reagent based on key characteristics variation tendency and case-based reasoning is proposed.On the basis of the expert reagent regulation method in antimony flotation process,the reagent dosage pre-setting model of the roughing–scavenging bank is constructed based on case-based reasoning.Then,the sensitivity index is used to calculate the key features of reagent dosage.The reagent dosage compensation model is constructed based on the variation tendency of the key features in the roughing and scavenging process.At last,the prediction model is used to finish the classification and discriminant analysis.The simulation results and industrial experiment in antimony flotation process show that the proposed method reduces fluctuation of the tailings indicators and the cost of reagent dosage.It can lay a foundation for optimizing the whole process of flotation.展开更多
Background: In order to uncover the mechanism of significantly reduced insect resistance at the late developmental stage in cotton(Gossypium hirsutum L.),the relationship between boll setting rate under different plan...Background: In order to uncover the mechanism of significantly reduced insect resistance at the late developmental stage in cotton(Gossypium hirsutum L.),the relationship between boll setting rate under different planting densities and Bacillus thuringiensis(Bt)insecticidal concentrations in the boll wall were investigated in the present study.Two studies were arranged at Yangzhou,China during the 2017–2018 cotton growth seasons.Five planting densities(15000,25000,45000,60000 and 75000 plants per hectare)and the flower-removal treatment were imposed separately on Bt cotton cultivar Sikang3 to arrange different boll setting rates,and the boll setting rates and Bt toxin content were compared.Results: Higher boll setting rate together with lower Bt toxin contents in boll wall was observed under low planting density,whereas lower boll setting rate and higher Bt toxin contents were found under high planting density.Also,higher Bt protein concentration was associated with higher soluble protein content,glutamic-pyruvic transaminase(GPT),and glutamic oxaloacetate transaminase(GOT)activities,but lower amino acid content,and protease and peptidase activities.It was further confirmed that a higher boll setting rate with lower Bt protein content under flower-removal.Conclusions: This study demonstrated that the insecticidal efficacy of boll walls was significantly impacted by boll formation.Reduced protein synthesis and enhanced protein degradation were related to the reduced Bt toxin concentration.展开更多
The operation variables,including feed rate of ore slurry,caustic solution and live steams in the double-stream alumina digestion process,determine the product quality,process costs and the environment pollution.Previ...The operation variables,including feed rate of ore slurry,caustic solution and live steams in the double-stream alumina digestion process,determine the product quality,process costs and the environment pollution.Previously,they were set by the technical workers according to the offline analysis results and an empirical formula,which leads to unstable process indices and high consumption frequently.So,a multi-objective optimization model is built to maintain the balance between resource consumptions and process indices by taking technical indices and energy efficiency as objectives,where the key technical indices are predicted based on the digestion kinetics of diaspore.A multi-objective state transition algorithm(MOSTA)is improved to solve the problem,in which a self-adaptive strategy is applied to dynamically adjust the operator factors of the MOSTA and dynamic infeasible threshold is used to handle constraints to enhance searching efficiency and ability of the algorithm.Then a rule based strategy is designed to make the final decision from the Pareto frontiers.The method is integrated into an optimal control system for the industrial digestion process and tested in the actual production.Results show that the proposed method can achieve the technical target while reducing the energy consumption.展开更多
The plate tectonic model constructed by R.H. Sillitoe for the origin of porphyry copper deposits said that porphyry copper deposits were associated with convergent plate boundaries and compressional tectonic settings....The plate tectonic model constructed by R.H. Sillitoe for the origin of porphyry copper deposits said that porphyry copper deposits were associated with convergent plate boundaries and compressional tectonic settings. They were formed along destructive plate margins above subduction zones of oceanic crust. Although this model is suitable for most porphyry copper deposits because the main porphyry copper deposit belts accord with the main Mesozoic or Cenozoic plate subduction zones in space and time in the world, it is difficult to use Sillitoe’s model for explaining the formation of some intracontinental porphyry deposits such as Yulong, the largest one in East Tibet.Having no relation with a subduction zone of plates, Yulong porphyry copper deposit was formed in an intracontinental extensional tectonic setting. Qamdo block, in which Yulong lies, was a small massif in East Tibet. With its Proterozoic crystalline basement and Lower Paleozoic folded basement, Qamdo block had experienced relative stable geologic evolution and a cover more than 20000m in thickness mainly composed of clastic rock and carbonate formed from Devonian to Cretaceous. During this time, although two small oceanic basins(Jinshajiang basin and Lancangjiang basin) between which Qamdo block lay developed and subducted and relevant island arc belts occured along the east and west margins of the block, all of them were closed before Later Triassic. In Cenozoic, mainly from 52 to 35Ma, influenced by the intracontinental convergence of the three large plates(India to the southwest, Tarim to the northwest,and Yangtze to the east), Qamdo block and its surrounding areas (East Tibet) which were just to the west of Yangtze plate were in an intracontinental pull\|apart situation induced by the sinistral strike\|slip fault system while most Himalaya—Kunlun—Tibet areas between India and Tarim plates were in a compression state by the SN\|trending tectonic stress. Controlled by the regional strike\|slip fault systems, the calc\|alkaline magma deriving from the upper mantle or lower crust ascended, occurring porphyry copper mineralization in the relative uplift areas. At the same time, in the relative depression areas, also controlled by the regional deep strike\|slip faults which might cut the lithosphere, several linear or rhombic pull\|apart red molasse basins such as Gongjoe, Nangqen, parallel to the porphyry belt, were formed in this region.展开更多
Such disciplines as financial management,auditing,separated from the accounting diseipline system,have hecome anindependent professional,These two disciplines together with the original accounting diseipline,are liste...Such disciplines as financial management,auditing,separated from the accounting diseipline system,have hecome anindependent professional,These two disciplines together with the original accounting diseipline,are listed in business administration firstlevel discipline in the category of management,as the secondary discipline or professional.This paper argues that requirements are met now toset up the first level discipline of accounting professional(or class),and the three secondary discipline(or major):the accounting,financialmanagement,auditing,should be included into accounting first level discipline(or classes).Then,accounting will become first level disciplineparalleling with business administration first level.展开更多
Muzzle induction setting is a high speed dynamic process.Based on analyzing the process of the projectile flying through an induction setting field,an experimental method is studied to test the effect of high speed pl...Muzzle induction setting is a high speed dynamic process.Based on analyzing the process of the projectile flying through an induction setting field,an experimental method is studied to test the effect of high speed plasma gas and high speed projectile on the induction setting system.Three tests are designed.The real-time coupling curves of induction setting signal are tested by coupling a test coil.The experimental results indicate that the electromagnetic field formed by high speed plasma gas can influence the signal transmission of induction setting system,and the influence can be reduced by opening some vents on muzzle;the high speed projectile changed the distributing characteristics of electromagnetic field in the induction setting field to reduce the amplitude of induction coupling signal.展开更多
基金supported by the National Natural Science Foundation of China (70871117 70571086)
文摘Multiattribute decision making（MADM） problems, in which the weights and ratings of alternatives are expressed with intuitionistic fuzzy（IF） sets, are investigated.Firstly, the relative degrees of membership and the relative degrees of non-membership are formulated as IF sets, the weights and values of alternatives on both qualitative and quantitative attributes may be expressed as IF sets in a unified way.Then a MADM method based on generalized ordered weighted averaging operators is proposed.The proposed method is illustrated with a numerical example.
基金Project(61725306)supported by the National Science Foundation for Distinguished Young Scholars of ChinaProjects(61473318,61403136,61703157,61751312)supported by the National Natural Science Foundation of ChinaProject(16C0940)supported by Foundation of Hunan Educational Committee,China
文摘Considering the influence of reagent adjustment in different flotation bank on the final production index and the difficulty of establishing an effective mathematical model,a coordinated optimization method for dosage reagent based on key characteristics variation tendency and case-based reasoning is proposed.On the basis of the expert reagent regulation method in antimony flotation process,the reagent dosage pre-setting model of the roughing–scavenging bank is constructed based on case-based reasoning.Then,the sensitivity index is used to calculate the key features of reagent dosage.The reagent dosage compensation model is constructed based on the variation tendency of the key features in the roughing and scavenging process.At last,the prediction model is used to finish the classification and discriminant analysis.The simulation results and industrial experiment in antimony flotation process show that the proposed method reduces fluctuation of the tailings indicators and the cost of reagent dosage.It can lay a foundation for optimizing the whole process of flotation.
基金Natural Science Research of Jiangsu Higher Education Institutions of China(17KJA210003)The Project#31671613 and#31901462 supported by National Natural Science Foundation of China,Project funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions,China(PAPD)+1 种基金Natural Science Foundation of Jiangsu Province(BK20191439)Postgraduate Research&Practice Innovation Program of Jiangsu Province(KYCX19_2106).
文摘Background: In order to uncover the mechanism of significantly reduced insect resistance at the late developmental stage in cotton(Gossypium hirsutum L.),the relationship between boll setting rate under different planting densities and Bacillus thuringiensis(Bt)insecticidal concentrations in the boll wall were investigated in the present study.Two studies were arranged at Yangzhou,China during the 2017–2018 cotton growth seasons.Five planting densities(15000,25000,45000,60000 and 75000 plants per hectare)and the flower-removal treatment were imposed separately on Bt cotton cultivar Sikang3 to arrange different boll setting rates,and the boll setting rates and Bt toxin content were compared.Results: Higher boll setting rate together with lower Bt toxin contents in boll wall was observed under low planting density,whereas lower boll setting rate and higher Bt toxin contents were found under high planting density.Also,higher Bt protein concentration was associated with higher soluble protein content,glutamic-pyruvic transaminase(GPT),and glutamic oxaloacetate transaminase(GOT)activities,but lower amino acid content,and protease and peptidase activities.It was further confirmed that a higher boll setting rate with lower Bt protein content under flower-removal.Conclusions: This study demonstrated that the insecticidal efficacy of boll walls was significantly impacted by boll formation.Reduced protein synthesis and enhanced protein degradation were related to the reduced Bt toxin concentration.
基金Project(62073342)supported by the National Natural Science Foundation of ChinaProject(2014 AA 041803)supported by the Hi-tech Research and Development Program of China。
文摘The operation variables,including feed rate of ore slurry,caustic solution and live steams in the double-stream alumina digestion process,determine the product quality,process costs and the environment pollution.Previously,they were set by the technical workers according to the offline analysis results and an empirical formula,which leads to unstable process indices and high consumption frequently.So,a multi-objective optimization model is built to maintain the balance between resource consumptions and process indices by taking technical indices and energy efficiency as objectives,where the key technical indices are predicted based on the digestion kinetics of diaspore.A multi-objective state transition algorithm(MOSTA)is improved to solve the problem,in which a self-adaptive strategy is applied to dynamically adjust the operator factors of the MOSTA and dynamic infeasible threshold is used to handle constraints to enhance searching efficiency and ability of the algorithm.Then a rule based strategy is designed to make the final decision from the Pareto frontiers.The method is integrated into an optimal control system for the industrial digestion process and tested in the actual production.Results show that the proposed method can achieve the technical target while reducing the energy consumption.
文摘The plate tectonic model constructed by R.H. Sillitoe for the origin of porphyry copper deposits said that porphyry copper deposits were associated with convergent plate boundaries and compressional tectonic settings. They were formed along destructive plate margins above subduction zones of oceanic crust. Although this model is suitable for most porphyry copper deposits because the main porphyry copper deposit belts accord with the main Mesozoic or Cenozoic plate subduction zones in space and time in the world, it is difficult to use Sillitoe’s model for explaining the formation of some intracontinental porphyry deposits such as Yulong, the largest one in East Tibet.Having no relation with a subduction zone of plates, Yulong porphyry copper deposit was formed in an intracontinental extensional tectonic setting. Qamdo block, in which Yulong lies, was a small massif in East Tibet. With its Proterozoic crystalline basement and Lower Paleozoic folded basement, Qamdo block had experienced relative stable geologic evolution and a cover more than 20000m in thickness mainly composed of clastic rock and carbonate formed from Devonian to Cretaceous. During this time, although two small oceanic basins(Jinshajiang basin and Lancangjiang basin) between which Qamdo block lay developed and subducted and relevant island arc belts occured along the east and west margins of the block, all of them were closed before Later Triassic. In Cenozoic, mainly from 52 to 35Ma, influenced by the intracontinental convergence of the three large plates(India to the southwest, Tarim to the northwest,and Yangtze to the east), Qamdo block and its surrounding areas (East Tibet) which were just to the west of Yangtze plate were in an intracontinental pull\|apart situation induced by the sinistral strike\|slip fault system while most Himalaya—Kunlun—Tibet areas between India and Tarim plates were in a compression state by the SN\|trending tectonic stress. Controlled by the regional strike\|slip fault systems, the calc\|alkaline magma deriving from the upper mantle or lower crust ascended, occurring porphyry copper mineralization in the relative uplift areas. At the same time, in the relative depression areas, also controlled by the regional deep strike\|slip faults which might cut the lithosphere, several linear or rhombic pull\|apart red molasse basins such as Gongjoe, Nangqen, parallel to the porphyry belt, were formed in this region.
文摘Such disciplines as financial management,auditing,separated from the accounting diseipline system,have hecome anindependent professional,These two disciplines together with the original accounting diseipline,are listed in business administration firstlevel discipline in the category of management,as the secondary discipline or professional.This paper argues that requirements are met now toset up the first level discipline of accounting professional(or class),and the three secondary discipline(or major):the accounting,financialmanagement,auditing,should be included into accounting first level discipline(or classes).Then,accounting will become first level disciplineparalleling with business administration first level.
文摘Muzzle induction setting is a high speed dynamic process.Based on analyzing the process of the projectile flying through an induction setting field,an experimental method is studied to test the effect of high speed plasma gas and high speed projectile on the induction setting system.Three tests are designed.The real-time coupling curves of induction setting signal are tested by coupling a test coil.The experimental results indicate that the electromagnetic field formed by high speed plasma gas can influence the signal transmission of induction setting system,and the influence can be reduced by opening some vents on muzzle;the high speed projectile changed the distributing characteristics of electromagnetic field in the induction setting field to reduce the amplitude of induction coupling signal.
