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The "metabolism of human society" is a concept used to characterize the processes of energy and material transformation in a society which are necessary for its continued existence. In order to improve the traditional input-output analysis method and the black-box analysis model, the societal metabolic ecosystem of china was divided into different components to establish societal metabolic...
Life Cycle Assessment (LCA) is induced to examine the environmental impacts in the life cycle of milk package from polythene, and to compare the environmental impacts from different plastic package waste treatments in this article. The data of the mass and energy fluxes and the environmental emissions are obtained from literatures and sites investigation. The application of LCA by using Eco-Indicator...
To investigate the optimum culture conditions of γ-aminobutyric acid (GABA) production by a strain CC-W11 identified as Lactobacillus brevis in submerged fermentation, certain fermentation parameters involving inoculum volume of seeds, incubation temperature, initial pH value, period of cultivation and glutamate concentration in medium were investigated separately. The optimal cultivating conditions...
Vermiculite is a kind of greatly valuable non-metallic mineral in nature. It is of great significance to separate the pure vermiculite concentrate and mixed tailing from the mining vermiculite crude ore with a high-efficiency and pollution-free flowsheet. The distributed condition and application situation of vermiculite in the world were sum up. The particle size distribution and chemical composition...
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