With analytic methodology of lubrication oil deterioration,assisted by the data processed by the infrared spectroscopy and multielement oil analyzer,the deteriorating process of the lubrication oil quality is analyzed.

In this essay,the Indian culture’s brilliant past,current predicament,and the causes of the decline and apocalypse from the decline are briefly explored.

As a result of the moving northerly of the Yellow River,the lost of transport pivot,the change of district political status and the lack of self-developing momentum mechanism,the northern Jiangsu local society declined finally in the early period of 20th century.

This paper aims to study the social,historical,human and environmental causes for the quick decline of the Shanxi Commerce at the end of the Qing Dynasty after its 500 years of prosperous commercial history.

However,the mode failed to standardize scientifically a rational flowing of capitals in the value-added fields,and long conflict of three inner factions,especially the impact of elderly persons\' fatuous overpowering control upon rigid management,became the major reasons of family discordance and downfall.

JIA Ping-ao s 《Qin Qiang》bases his own hometown for creative background, portrays country s economic changes in new times which resuits in downfall of local culture, catches a kind of downfallen age sentiment of transferring times country ,is a set of true landscape of today s country at present.