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In order to improve the effect of English Teaching in multimedia environment, this paper proposes an English teaching method based on intelligent language AIDS in multimedia environment. Firstly, an intelligent speech teaching assistant system is designed in the multimedia environment. The software mainly includes four modules: new words and sentences, Chinese and English reading, voice evaluation, tools and settings. Learners can learn independently through the software, and teachers can also use the software to make various audio teaching resources in the classroom. In addition, the system can promote vocabulary teaching and support sentence pattern teaching and situational teaching in English teaching. The experimental results show that the average score of class 3A is increased from 86.35 to 86.79, with an increase of 0.64, which proves that the application of this method can effectively mobilize the enthusiasm of students in learning English and achieve good teaching effect. [ABSTRACT FROM AUTHOR]

In order to measure and enhance the carrying capacity of regional logistics system scientifically and give full play to the efficiency of regional logistics system, based on the perspective of sustainable development, this paper analyzes the network topology structure of regional logistics system. Combining the component elements and operation flow of regional logistics system, we take link line, operation capacity and energy environment as constraint conditions, and construct the measurement model of regional logistics system carrying capacity. The integrated management of logistics requires systematic integration of various modes of transportation, such as highway transportation, water transportation, rail transportation and air transportation, as well as the network of key nodes and their network. Therefore, we need to solve the different transportation models and the nodal carrying capacity calculation methods that constitute the logistics system. Therefore, this paper analyzes the connotation, various transportation mode and port capacity related to the concept of research ideas, research tools and methods, the related calculation formula, traffic flow as the main line to construct different modes of transport carrying capacity between the inner link, and the bearing capacity formula of each transport mode into a unified unit, the transportation mode of coordinated development that is the basis of the overall optimization and decision of logistics system. [ABSTRACT FROM AUTHOR]

Since business and national competitiveness depends on the development and application of industrial technologies, firms have made a steady investment in research and development to secure competitive industrial technologies. However, as industrial technologies have been leaked to competitors or overseas by neglecting security management, the importance of industrial security is growing bigger. Due to this importance of industrial technology protection, there is a growing need for a comprehensive and systematic management system to prevent the leaking of industrial technologies. In particular, the industrial security management system certification is a management system established by the need of systematic management for organizational 'industrial technologies, business secret, intellectual property right and other managerial resources' etc. and sustainable industrial security management in the aspect of multimedia environment. This paper analyzes the differentiation from the existing certification system and improves evaluation items by applying the industrial security management system standard and its details in the aspect of multimedia environment. [ABSTRACT FROM AUTHOR]

A geo-referenced environmental fate model was developed for analyzing unsteady-state dispersion and distribution of chemicals in multimedia environmental systems. Chemical transport processes were formulated in seven environmental compartments of air, canopy, surface soil, root-zone soil, vadose-zone soil, surface water, and sediment. The model assumed that the compartments were completely mixed and chemical equilibrium was established instantaneously between the sub-compartments within each compartment. A fugacity approach was utilized to formulate the mechanisms of diffusion, advection, physical interfacial transport, and transformation reactions. The governing equations of chemical mass balances in the environmental compartments were solved simultaneously to reflect the interactions between the compartments. A geographic information system (GIS) database and geospatial analysis were integrated into the chemical transport simulation to provide spatially explicit estimations of model parameters at watershed scale. Temporal variations of the environmental properties and source emissions were also considered in the parameter estimations. The outputs of the model included time-dependent chemical concentrations in each compartment and its sub-compartments, and inter-media mass fluxes between adjacent compartments at daily time steps. [Copyright &y& Elsevier]