Results 21 to 30 of about 612,879 (280)
Yankuang ceshi, 2021 BACKGROUND Determination of ammonium nitrogen and nitrate nitrogen in soil makes great sense for indication of the nutrient status and environment evaluation of soil.
WU Hao +4 more
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Environmental Monitoring Technology [PDF]
Military Medicine, 2002 As a consequence of the new geopolitical environment, missions of military forces have changed. Soldiers are now primarily involved in peacekeeping or humanitarian missions. Even the radiological threat has changed. Now there is greater concern about exposure to low-level radiation (LLR) as opposed to that from thermonuclear warfare. The North Atlantic
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A study on pollution emission flux estimation and tailwater for mariculture in the Tianjin, China [PDF]
E3S Web of ConferencesWith the rapid development of marine aquaculture in Tianjin, the methods and types of aquaculture are constantly evolving and changing. Due to the presence of large amounts of pollutants such as nitrogen and phosphorus in aquaculture wastewater, it has ...
Yuan Hui +4 more
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Research on the Influence of Weather Patterns on Ozone Concentration: A Case Study in Tianjin
Atmosphere, 2022 Ozone (O3) is an important secondary substance that plays a significant role in atmospheric chemistry and climate change. Although O3 is essential in the stratosphere, it is harmful to human health in the troposphere, where this study was conducted.
Yuan Li +7 more
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Archives of Environmental Protection, 2015 Polybrominated diphenyl ethers (PBDEs) levels in environmental media have increased over the last 20-25 years in the world. In aquatic environments PBDEs were found to be accumulated along food chain and Endocrine disruptors toxicity. In this study PBDEs
Yang Suwen +3 more
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Shuiwen dizhi gongcheng dizhi, 2023 Analyzing the temporal and spatial changes of vegetation and its correlation with soil moisture and quantitatively revealing the impact of soil moisture on vegetation growth are of certain significance for drought monitoring and ecological protection ...
Mengmeng GAO +5 more
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Yankuang ceshi, 2019 BACKGROUND In current ecological environmental monitoring, the standard methods used to determine the total contents of inorganic elements, such as heavy metals in soil, include atomic absorption spectrometry (AAS), atomic fluorescence spectrometry (AFS)
TIAN Zhi-ren +5 more
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Carsologica Sinica, 2022 To solve the problem of water shortage in karst plateau mountainous area, this study on the model of development and utilization of surface karst water is conducted.
Cuiqiong ZHOU +7 more
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Distribution Characteristics of Heavy Metals in Soils of the Anhui Section of the Huaihe River Basin
Yankuang ceshi, 2018 How to scientifically reflect the soil environmental quality of a large area through limited soil point monitoring is a major direction of current research.
QIAN Zhen-bing +4 more
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Haiyang Kaifa yu guanli, 2022 In order to promote the ecological environment protection and ecological disaster control of Yellow Sea, this paper analyzed the background of ecological environment and problems, and put forward suggestions for the construction of regional monitoring ...
Xiaocheng WANG +10 more
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