It points out the necessity of tubing anchor in pumping wells,especially in deep wells.

The improved separated zone water injection string is anchored and sustained by hydraulic anchor and hydraulic slips.

It introduces the calculation principle for the structures of three 50,000 dwtcontainer terminals of Yantian Port 2nd - phase Project, types of foundation piles and thestructural types, piling control standard, as well as the construction machinery and constructionmethod for embedded piles, anchor piles and embedded - anchor piles.

It added the context to the logic form by using the situation theory including situation forming principle, related axioms and inference, and interpreted its referent and substitution meaning, respectively, by the principle of anchoring situation.

According to the star magnitude,using the anchoring method,the stars of the non-recognition map drop into ε-neighborhood region of the stars of navigation map.

There are two main models accounting for anchoring effects: the anchoring and adjustment heuristic and selective accessibility model.

In view of this actuality,a new type anchor especially for screw pumps is designed,and its mechanical structure and working principle are discussed.

Influence of surface anchoring energy on characters of weak anchoring NLC cells;

The influence of the surface elastic energy term K 13 on the properties of Fréedericksz transition of weak anchoring nematic liquid crystal cell under a magnetic field has been investigated in detail.

Freedericksz transition at threshold point of a weak anchoring and parallel alignment NLC cells has been studied carefully by a rigid mathematical deduction and calculation.