The specification parameters and type of the opening roll and the navel used in the rotor spinning of native micro-polyester fiber (0.89 dtex x 38 mm), using the handle model of multi-objective grey situation decision-making is optimized.
In the light of views and methods systemthreory, according to different effect of polutant factors on enveronmental quality, Grey Situation Decision was used to comprehensive assessmennt for water environmental quality, Comparing with other water environmental assessment method, it is a effective and practical method.
It has been analysed with the decision method of the grey situation to the new variety of Henan province maize of 2004 produces 13 comparatively important properties indexes while testing,analyzed synthetical the characters of 9 varieties of maize.
Due to the instability of technological parameter during cheese production by zymotechnics,the principle of gray situation decision on multiple aims was adopted for analysis of different ferment acidity,CaCl-2 dosage and heat treatment temperature.
This article simply introduces the conditions for the application of the model or method of the Gray System Theory including the Harmonious GM(1,1),the Harmonious GM(1,N),the Gray Relation Analysis,the Gray Real System of developing being modelled,the Gray Linear programming and the Multi Aimed Gray Situation Decision on the study of Guangxi's Stone Mountain Area Whole Agricultural Developing Stratgy.
In this paper ,the multiobjectives grey overall arrangement decision is applied to the optimal selection of real estate investment decision plans,and the method to solve the globally optimum overall arrangement is also given which proves to be effective through practical example.
According to practical situations of construction enterprises, the author builds a set of index system to evaluate the information resource management level of a construction enterprise, establishes information resource management level evaluation models based on fuzzy sets and grey condition decision methods, states evaluation methods and process with practical examples and gets satisfied results.
Data from sown pasture sheep systems for 1990~1999 were scaled and measured using the grey condition decision method on Yunnan Sheep Breeding Farm, efficiency estimate numerical value of chief system and its sub systems (factors) were established.