ABSTRACT
Objective: Through the analysis of the current situation of energy consumption and the energy management problems that hospital faced, elaborat the high demands of energy management in hospital effective logistics management, the saving mechanism of Energy Performance Contracting (EPC) is proposed. Methods: The process of introducing EPC to China and related concepts are described, and the main mode and implementation processes as well. Results: To explore the feasibility of the integration in energy-saving reformation and the mode of energy runing management what is the core to EPC, tell people what need to pay attention to in the implementation process, and provide scientific methods for energy management of efficiency operation and sustainable development in hospital. Conclusion:At last, pointing out that saving mechanism of EPC is suitable for hospitals and will bring significant saving benefit.
ABSTRACT
Objective To study the genetic relationship among Dioscorea zingiberensis with different diosgenin content at DNA level.Methods DNA of all types was amplified by 12 random primers from 40 random primers,the polymorphic bands of RAPD were counted.And the results of types were analysed by POPGENE 1.31(Tool for Population Genetic Analysis 1.31) software.Results A total of 73 bands was obtained,64 of total bands(87.67%) was polymorphic.The results indicated that there were apparent and abundant genetic variations in D.zingiberensis. Conclusion The formation and accumulation of diosgenin could be affected significantly by the genetic basis of D.zingiberensis.
ABSTRACT
Objective To create new tetraploid resource of Dioscorea zingiberensis in the hope of potential breeding materials with high yield and high level of diosgenin. Methods Callus with tiny green buds were directly soaked in colchicine solution or cultured in medium plus with colchicine to prohibit the isolation of chromosomes and induce tetraploid mutants. Results Tetraploids were achieved successfully. The most efficient treatment for inducing tetraploid was soaking the tiny buds in 1?103 mg/L colchicine solution for 24 h, the inducing rate could be up to 35. 2%. The induced tetraploids exhibited notable difference with common wild type (diploids) in morphology, physiology, and microscopic structure. ConclusionThe tetraploid plants show the advantages of gigantic size and vigorous growth. Thus, the established technique system to induce tetraploid from tissue cultured callus would provide an efficient alternative pathway for medicinal plants of Dioscorea L. breeding.