Major Process and Development Tendency for Urban Wastewater Treatment of Our Country;

Construction Procedures and Technological Requirements for Segments of Main Girders of Cable-stayed spans of the Second Changjiang River Bridge in Wuhan;

This paper discusses on the technological requirements, features, kinds and mechanism of the treatment of oily waste water, and introduces some kinds of oily waste water treating techniques, including physical treatment, chemical treatment, physicochemical treatment and biochemical treatment.

The value,characteristic,quality level,and technological requirement of mat art glaze were discussed in order to correctly know and develop him,and set up the level of mat art glaze in China.

According to process requirements,large-span steel beam is overhead welded with steel pillar.

The production technology of modified ANFO is discussed, and the process requirements of three key quality check points—formulation design, modified process control and follow-up charge process control, is analyzed combining with the situation of practical production.

This paper introduces the status of development of polylaticmacid fibre and the main properties of polylaticmacid fibre,and discusses the key measures to produce polylaticmacid fabric to improve its spinnablity and control dyeing technology parameters during the processes of its spinning and finish.

This paper introduced the status of development of natural color cotton fabrics and the main properties of natural color cotton fibre,and discusses the key measures to produce it.

The coating technological requirements and technological process are briefly introduced.