Search results for keyword: ecosystems
Problems that should be paid attention to in the use of small four-wheel tractors
Introduction
The use of small four-wheel tractors (STTs) is becoming increasingly popular among farmers and it is no surprise to see why. These powerful and versatile machines are capable of a wide range of tasks, from ploughing, tilling and discing, to drawing trailer loads. While they are an inv......
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Matthew
water discharge
Water pollution is a very important environmental problem. Water pollution is the contamination of water bodies by various chemicals, solids, and microorganisms. Water pollution occurs when pollutants are discharged into water bodies without proper treatment, leading to a change in the chemical a......
GB 11915-89 Water Quality Vocabulary Part Three ~ Part Seven
3rd Part: General Principles
1. Quality of drinking water should be guaranteed on the basis of legal regulations.
2. Water safety should be in accordance with the requirements of the World Health Organization (WHO), and relevant regulations should be formulated and implemented accordingly.
3. The ......
GB 6816-86 Water Quality Vocabulary Part I and Part II
GB 6816―86 Water Quality - Vocabulary - Part 1 and Part 2
GB 6816-86 is a Chinese national standard developed to define the water quality of waterways and related bodies of water throughout China. This standard is known as the Water Quality Vocabulary because it provides a uniform and accepted l......
GB 6919-86 Air Quality Vocabulary
Air Quality Vocabulary
When it comes to air pollution, vocabulary can be a difficult subject to master. We can all read the headlines, but to really understand how polluted the air is and how it affects our health, it helps to know the right words. These words just might save our lives!
Atmosphe......
Ocean Engineering Concepts
Ocean engineering is a branch of engineering dealing with the use of technology to study, manage and conserve value provided by the ocean and its resources. It involves the protection, exploration and exploitation of sea resources, such as offshore oil and gas, shipbuilding, offshore structures, e......
sintering
A Lesson in Acceptance
Living in acceptance is much easier said than done, but it is the key to living a life free of previously damaging thoughts, beliefs and expectations. To develop an understanding of acceptance, it is important to learn the various levels to which it can be incorporated into......
Nitriding
Nitrogen: A Crucial Nutrient
Nitrogen is a crucial part of life on Earth; it is essential for all life processes, including the production and growth of plants, animals, and the many microorganisms found in nature. Without nitrogen, there would be no life as we know it.
Nitrogen is a very import......
Impregnation Technology and Application Research
Introduction
Groundwater infiltration is an important feature of water cycle in Chinese hydrologic system and subsurface environment. The use of groundwater infiltration technology is necessary to ensure the sustainable use of water resources and the prevention of water pollution. It is also impo......
Grading by Carbide Number
Carbon Classification
Carbon is essential for life on Earth and can be found in many forms. Carbon is the fourth most abundant element in the universe and makes up eighteen percent of the Earths crust. It is part of all known forms of life and it is the basis of all known organic compounds. Carbo......
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