The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
On the basis of summarizing the definition of modern service industry from many scholars, this paper proposes the author's understanding of modern service industry and establishes evaluation index system of modern service industry in China. By using factor analysis in multivariate statistical method, the development level of modern service industry in 31 provinces of China is analyzed, revealing the...
Cotton area and growth information are important basis for cotton production and management. This article took Dingzhuang Town in Guangrao County of Shandong Province as the study area and chose CBERS01 and HJ1B satellite images as the information source. Selecting similar phases with obvious cotton information, the area of cotton was acquired by decision tree classification model according to spectrum...
The paper introduces the basic concepts of fuzzy set and the basic theories of fuzzy C-mean clustering method and its corresponding algorithm. The algorithm is applied to the classification of the income of rural residents of Sichuan province. According to the computation results obtained by using fuzzy C-mean clustering function (fcm) in Matlab 7.0, all of the 21 administrative divisions of Sichuan...
The decision tree is one of the common modeling methods to classify. Firstly, this paper introduces the concept of classification and the method of the decision tree. Then, this paper analyses the data of rural labor, arable land area and the gross output value of agriculture about 30 cities of China based on the decision tree, and adopts clustering analysis method to discretize continuous data during...
Among all the types of distributors who play different roles in the vegetables and fruits distribution system, farmer middlemen have attracted increasing attention. Farmer middlemen, who hold more than 80% of the market in strawberry distribution in Jiande Strawberry Wholesale Market located in Xutang village, have fulfilled a very important function in the distribution process. The paper takes farmer...
The ultimate goal of city operation applied innovation park (COAIP) is to promote utilization of technology fruit in practice. In the future, the industrial development of Beijing is set to be high-tech oriented. That developing high-tech industry, exerting the priority of science and technology, talents, information and finance of Beijing furthest, upgrading the status of Beijing in national and...
This paper introduces the active rule processing technology application in electronic commerce area. First, paper introduces two kinds of rule expression methods. In order to help understand the rule expression, paper takes some examples of rule application in electronic commerce area. In order to processing the complex application, paper introduced a kind of method which can process large-scale data...
To enhance anaerobic fermentation biogas production, excess sludge from Hanxi waste water plant of Wuhan City was first pretreated by peracetic acid (PAA), then anaerobic digested for 20 days in 35degC. An anaerobic digestion process without pretreatment was conducted as reference for comparison purpose. The results showed that organic matter dissolved from sludge after PAA pretreatment, soluble chemical...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.