There is no doubt that the use of voltage and reactive power control(VQC)devices in substations improves the up-to-standard rate of bus voltage quality and enables local balancing of reactive power.

The radiation level of color glazed brick faience made in china,the limit value of color glazed brick faience used to interior decoration and ways to radiate human body are introduced in the paper.

Based on the real-time monitoring,structure analysis and current code,the limit values of those construction parameters are discussed.

The limit value of interstory drift is an important parameter for the design of reinforced concrete super highrise buildings.

Study on the Correlation of the Limits of WMTC and Euro Ⅲ Testing Cycle;

Discussion on axial load ratio limits of circular steel tube columns filled with steel-reinforced concrete;

Method of Instituting Limit of Truck Body Vibration;

On the limited value of grade steps in concrete strength grading;

In this paper,analysis is carried out on limited value of ballastless track subgrade settlement of high-speed railway in China and other countries.

A comprehensive study on the span-depth ratio of the reinforced concrete beams is made and the range of limited values for the span-depth ratio of beams is given in this paper.