Marginal contribution analytical method commonly used in intermittent industry can also be used for economic analysis of production and operation of solid products in petrochemical industry.

Study on the affecting factors of dyes absorbed by solid production from microwave pyrolysis of sewage sludge

The influence of six times recycling microwave pyrolysis on microwave energy-absorption capacity and adsorbing ability of solid production from pyrolytic sewage sludge was studied in this paper.

Ecological purchase means that governments purchase ecological products and help farmers to timely sell their product so that farmers can make money and get rid of poverty.

Firstly,the author tells us what is ecological product.

Study of Product Form and Form Idea;

First this paper studied product form,and the development of concept of form,Then from three different faces,analysis the different points of Germany and Japan product form,and take a conclusion of product form characteristic.

The existing problems in product form bionics design were analyzed from the traditional process of the product form bionics.

The ecological value of the Qinghai-Tibet Plateau forests and grasslands is a kind of ecological products of invisible labor including human abstract labor.

To realize market values of ecological resources in the West Development, Two kinds of work must be done: 1 Have a clear idea of the characte ristics of resources property, including its value, its substance and value char acteristics of invisible ecological products.