澳门赌场网上游戏

  • 12

    2019-08

    Why do soil radon tests?

    According to GB50325-2010 (2013 edition) of "Code for Control of Indoor Environmental Pollution of Civil Construction Projects", the design of new and expanded civil construction projects must measure the radon concentration in the soil of the construction site and provide corresponding test reports. So why do ...

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  • 09

    2019-08

    How much do you know about water quality testing indicators for hotel engineering?

    The required water quality indicators can generally be divided into four categories: sensory traits, general chemical indicators, toxicological indicators and bacteriological indicators. ...

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  • 06

    2019-08

    Little knowledge of environmental impact assessment

    Environmental assessment is short for environmental impact assessment and environmental quality assessment. In a broad sense, environmental assessment is the evaluation, judgment, and countermeasures of the state of the environmental system. ...

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  • 31

    2019-07

    How much do you know about water quality indicators?

    The required water quality indicators can generally be divided into four categories: sensory traits, general chemical indicators, toxicological indicators and bacteriological indicators. ...

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  • 30

    2019-07

    Learn the basics of water quality testing

    Water is the source of life, and human beings cannot do without water in their daily life and production activities. The quality of drinking water is closely related to human health. With the socio-economic development, scientific progress and improvement of people's living standards, people have demanded the quality of drinking water ...

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  • twenty two

    2019-07

    Learn about soil environmental monitoring

    Soil environmental monitoring refers to determining the environmental quality (or degree of pollution) and its changing trend by measuring the representative values of factors that affect soil environmental quality. What we usually call soil monitoring refers to soil environment monitoring, which generally includes spot sampling, sample preparation ...

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  • twenty two

    2019-07

    Some knowledge about environmental monitoring, come and find out

    Environmental monitoring is to monitor the changes in environmental quality and determine the level of environmental quality through the detection of the contents and emissions of various substances that have an impact on humans and the environment, and provide the basis and guarantee for environmental management, pollution control and other tasks. In short, understand the environment ...

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  • twenty two

    2019-07

    about us

    1 Soil environmental monitoring refers to determining the environmental quality (or degree of pollution) and its changing trend by measuring the representative values of factors that affect soil environmental quality. What we usually call soil monitoring refers to soil environmental monitoring, which generally includes spot sampling, sample preparation ...

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  • 25

    2019-04

    How to reduce formaldehyde concentration?

    The first trick: try to use low formaldehyde content and formaldehyde-free interior decoration and decoration materials, this is the basic way to reduce the formaldehyde content in indoor air. Second trick: When choosing furniture, choose products with less pungent odor, and it is best to choose to meet the E1 standard ...

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  • 25

    2019-04

    Common methods for controlling indoor air pollution

    1. Maintain window opening ventilation: a simple, practical, and cost-effective method. Window opening ventilation allows nature to purify indoor air more effectively than any product. We must believe that the power of nature is unlimited. Even if air purification products are used, they should be maintained. Indoor ventilation, ...

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