The commercial application of the decalcifying agent JCM-2004RPD at Khartoum Refinery Co.Ltd. is introduced in this article. This decalcifying agent has good ef
Traditional clustering algorithms generally have some problems, such as the sensitivity to initializing parameter, difficulty in finding out the optimization cl
A sandy grassland blowout consists of an aeolian depression formed in top soil and the underlying sand deposit underlie,and the adjoining redeposit of sand deri
An ECR 0+ ion source and LEBT system have been developed for the upgrade of 1MeV Integral Split Ring RFQ at Peking University.To satisfy the requirement of RFQ,
A new method of using phenolphthalein loaded with 1-(2-pyridylazo)-2-naphthol (PAN) as solid phase extractant to separate and enrich trace copper in diverse wat
As only about 15% of the total time of people in Hong Kong was spent outdoors, it would be more valuable if the associated effectiveness and impact of the recen
Residents living in the cold areas such as Harbin generally experience a residence time of approximately 6 months in chilly winter without frequent natural vent
An improved decision tree method for web information retrieval with self-mapping attributes is proposed. The self-mapping tree has a value of self-mapping attri