ULTIMO AGGIORNAMENTO BANCA DATI: 13/09/2024 13:00:57
Light signals (20), especially distress light signals or distress night lights serve as floating signaling means to facilitate the finding of shipwrecked. The light signals (20) must be waterproof. In particular, battery replacement and lamp replacement can lead to leaks and thereby affect the reliability ...
The endoscopic and histopathological findings detected in Sparus aurata experimentally infected with third-stage Anisakis larvae without intermediate host are evaluated and discussed. In six fish, live nematode larvae were introduced by gastroscopy into the stomach. The first observation by endoscope, ...
Two genes, that is, 5S ribosomal sequences and antifreeze glycoprotein (AFGP) genes, were mapped onto chromosomes of eight Antarctic notothenioid fish possessing a X1X1X2X2/X1X2Y sex chromosome system, namely, Chionodraco hamatus and Pagetopsis macropterus (family Channichthyidae), Trematomus hansoni, ...
In order to achieve the rapid and mass diagnosis of fish diseases, it is proposed to set up a new and efficient model which closely connects rough set and Fuzzy C-means(FCM) clustering algorithm. First, the rough set was used for access to knowledge, that is, the typical cases of fish diseases were ...
The Zigbee network isssued in this paper is used to monitor the enviroment parameters of acquiculture water. Each sensor node of the network, which is composed of various sensors and a Zigbee chip CC2430, could measure temperature, velocity of flow, pH value, content of ammoniacal nitrogen etc. A GPRS ...
Rural drinking water security relates to people's life quality and health, this has caused Chinese government to pay attention to. Through field investigation and sampling, this paper basically make clear the water source quality for central water supply project of Jingzhou city, the results show that ...
Fish farmers send request to the intelligent diagnosis system through SMS (Short Message Service) for fish disease diagnosis, and according to fish disease knowledge, the characteristics of case description and the fish disease diagnostic mode of thinking the system makes diagnosis based on Bayesian ...
This paper analyzed the formation of wet injury that rape plants may encounter in its developmental stages in the middle and lower reaches of the Yangtze River, summarized the mechanism of crops under wet injury in the area, pointed out an influence of wet injury on rape development, finally put forward ...
Wastewater from aquiculture contains useful nutrients for plant, such as nitrogen and phosphorus. Drainage of the wastewater resulted in eutrophication of water body. The nutrients in wastewater from fish pond was assimilated and utilized by paddy field. Using test-pits with a relatively independent ...
The mechanical, thermodynamic, acoustic, optical, electrical and magneto electric characteristics of nanomaterials is differ from its coarse crystalloid. The far infrared ray transmitted by nanomaterials can improve water quality and reduce water associated molecule to 6-8, and it also can increase ...
With the global climate change, the increasing economic activity and excessive development in recent years, the climate ecological environment of Honghu Lake changes with frequent occurrence, sharp reversal of flood and drought and the atrophy of the natural lake, which lead to loss or degradation of ...
Wetlands, with multiple ecological functions, are vital ecosystems that provide livelihoods for the millions of people who live in and around them. This paper analyzed the connotation of wetland agriculture, pointed out that wetlands are available for agriculture, wetland agriculture develops based ...
Participatory modeling has grown in popularity in recent years with the acknowledgement that stakeholder knowledge is an essential component to informed environmental decision-making. Including stakeholders in model building and analysis allows decision-makers to understand important conceptual components ...
Guangxi coastal wetlands, where is with the most intensive population and the most economically developed regions, bearing the enormous pressure of population growth, economic development and environmental change, is closely related with the progress of human society. 2010 TM satellite imagery and 1:50,000 ...
The South-to-North Water Transfer Project is an optimal allocation and scheduling of water resources major project, the Danjiangkou reservoir as the important water source, the protection of water and water quality security is critical, determines the success of diversion project. Based Chlorophyll-a ...
Human activities have profoundly influenced natural ecosystems, especially wetlands. There is an urgent need for comprehensively understanding the causes, processes and consequences of human-induced environmental impacts. This paper presented rapid landscape change and differentiate the impact of human ...
Land use has changed rapidly in many wetland-agricultural regions of China over the past 30 years, such as in Pearl River Delta (PRD), resulting in its ecological environment changes as well. In this paper, land use pattern changes and the ecological responses in the PHD were analyzed using Landsat ...
Liangzi Lake wetland is the material basis of agricultural production and the survival and development of the basin residents. Therefore, it is of great significance to coordinate the wetland protection and the sustainable development of wetland agriculture in this area. On the basis of wetland protection ...
This index covers all technical items - papers, correspondence, reviews, etc. - that appeared in this periodical during the year, and items from previous years that were commented upon or corrected in this year. Departments and other items may also be covered if they have been judged to have archival ...
This chapter contains sections titled: Half Title, Infrastructures Series, Title, Copyright, Contents, Acknowledgments, Introduction