With practical examples, the industrial extraction process of acetone acid by using fermentation method as well as the core points in design were introduced in this article.

The paper presents the process for the extraction of Nd metals out of NdFeB industrial scraps and also the influence of the related technical conditions on the product quality and techno economic index.

Therefore how an enterprise refines the core value of brand have became a.

Abstraction, Explanation and Creation of City Spirit -Urban Design of Qidong Economic Development Zone;

On the abstraction and conversion of the classic gardens

It is an important subject throughout to innovate abstraction enterprise culture construction how to abstract new value concept which possesses special features of the enterprise and at the same time can be accepted and practiced by the employees,so as to elevate productive force and competition power and improve production and operation management for the enterprise.

Essential writing and novelty points refining on science and technology novelty search;

Emphasis on checking and refining the subject of scientific papers;

The basic principle of refining orpiment and realgar was discussed.