The urban building appearance of Lanzhou city has been greatly influenced objectively by the factors like politics, economy, history, culture, religion, nationalities, geography, materials and climate, and meanwhile subjectively by the owners, the management authorities and urban planners.

The theory and application of natural ventilation are introduced in this paper, and it is suggested that the main problem of its application in urban building is the noise control and air -born pollution control after the analysis of its demand on surrounding environment.

The 3D modeling of urban building is one of the most important techniques in designing urban landscape and digital urban foundational construction.

Along with the enormous construction of urban buildings, the area of the green surface in our country is less and less.

The Strategy of the Region Cultural Design in Modern Urban Architecture

This paper briefly states the problems in urban design such as the utilization of nature and history and the design for urban landscape and urban architecture;points out that only by conducting the overall artistic layout for the city with the consideration of various factors,could the whole urban environmental quality be improved.

The city buildings which are in pursuit of big, foreign and new scales excessively and beyond actual economics are performing.

This article focuses efforts on introducing the applying environment of the mid-water engineering in city buildings as well as its social and economic benefits.

In the light of the p rese nt statement of city buildings renovation in China ,this paper criticized the d isadvantages of some reformed buildings which have great value in history and cu lture,and puts forward some principles which should be conformed to during the p eriod of renovation.

This article explains the purpose and meaning for cleaning urban construction,especially the external surface of the high rise buildings,analyzes the current cleaning methods and introduces an effective cleaning machine and a calculation method.

We focus on the actuality that, the development of China\'s urban construction after the reform and open policy is flourishing, but the theoretical Study is laggard and the consciousness of the chain reaction about the process is impercipient, result in the huge waste and duplicate build.

This article criticizes a lot of problems of the urban construction that have recently cropped up through observing and considering the urban construction nowadays.