The present paper introduces the high efficiency air flotation technique for wastewater treatment with low cost and low energy consumption as well as the effectiveness of this technology.

Application of highly efficient bubble floating equipment to waste water treatment in fire power plant;

Transporting conditions of faults required in formation of large and medium gas fields with high efficiency in foreland basin;

Design for High Efficiency Revamping of Billet Concaster at Shaoguan Steel;

Application progress of Ⅲ-Ⅴ high efficiency terrestrial triple-junction concentration photovoltaic;

High-efficiency Production Practice of Slab Continuous Casting in Angang;

Development and application of high-efficiency operating vehicle;

XAGZ High-efficiency Recessed Plate Filter Press;

Shanghai New International Exhibition Center: A Clear, Simple, and Efficient Mode of The Exhibition Architecture;

Study on A Simple and Efficient Preparation of Competent Cell and the Establishment of Plasmid Transformation System;