Frost heave causation and prevention in roadbed;

This paper analyzes the kinds and causations of concrete crack, puts forward specific methods to avoid cracking.

Analysis of the causes of linear chromatism on the surface of the cold rolled stainless strip and its improvement measures;

Study on the causes of cracks in mass concrete and prevention and treatment measures;

Simple Analysis of Free Red-light Cingulum Caused in JZXC-480 Railway Circuit and Prevention;

Types and reasons of ecotourism environmental problems;

This paper discussion the multi cultures of physical education hide curriculum,and the reason for the developing and reforming the curriculum of physical education and health.

The author will analyse the reasons of the wrong movement and figour out the measures to it.

Reasons for Vehicle Bump at Head of Bridge and Treating Measures for It;

Superficial Analysis of Reasons for Crack of Concrete Bridge in Construction;

The reasons and conquering methods of dread psychology in high jump training course are analyzed,relevant conquering methods and suggestion are raised to provide reference for theory and training of high jump.

Risk characters,causes and measures of community medical service

The causes of pulling strip during hot narrow strip rolling were analyzed, and the main infuluence factors were found out, such as unreasonable reduction schedule, serious speed down of finishing stands and unstable loop control.

Based on the basis of an actual project,this paper analyzes the case of PHC floating caused by improper construction process of static-pressed tube piles,and discusses the causes and relevant countermeasures for pile-floating.