hardness Articles

  • Hard Facts about Hard Water

    Have you noticed unwanted mineral buildups on your faucets? Are your clothes dull and scratchy? These are common signs of hard water, an issue affecting many households, in particular those getting their water from a well. ...


    By AquaBSafe

  • Tradition dies hard

    Traditions in the way we view our environment are strongly entrenched in our collective mind, and any perturbation that could change them is usually strongly resisted.  However, change does occur [1], even though there is resistance to it, and this includes changes in the scientific process as well. Science is continually developing, with advances replacing what was previously envisioned to be ...


    By SAGE Publications

  • Thank all the visitors in Aquatech Mexico 2018

    Toro Equipment wants to thank all visitors in Aquatech Mexico their time and interest The last edition of Aquatech Mexico has been closed and Toro Equipment team want to express thanks all the people for employing their time on visiting us to discover the novelties introduced in this edition of the Mexican tradefair. In ...


    By Toro Equipment S.L.

  • Hydraulic pile breaker joins construction of Jinmen Bridge

    Taiwan's Jinmen Bridge cross-sea bridge is about 4.7 kilometers long, with a budget of about 9.1 billion yuan. The Taiwan Administration's approved plan for 1995 and the 2004 Economic Development Association agreed to the construction plan of the Golden Gate Bridge proposed by the Ministry of Communications   Now, the big and small Golden Gates need to use the traffic boat, 30 minutes, and ...

  • Integrating soft and hard risks

    All organisations need continually to improve and make efficiency savings without introducing unacceptable risks. Savings can be made by new collaborations and sharing at the interface between processes. Processes are what people do and so we use them to deliver value. We can also think and use process differently to improve performance. To identify added value we use a process map which shows ...


    By Inderscience Publishers

  • HuaDi is Refunding BeiYi is working hard

    The 2018 Russia World Cup ended, and the France won at the end. With the marketing advertisement of "If France wins the championship, HuaDi will retreat money", HuaDi is regarded as the "biggest winner" in this year's World Cup. Although BeiYi could not get this, we still does not forget to work hard to create our ...

  • HuaDi is Refunding BeiYi is working hard

    The 2018 Russia World Cup ended, and the France won at the end. With the marketing advertisement of "If France wins the championship, HuaDi will retreat money", HuaDi is regarded as the "biggest winner" in this ...


    By lydite trading company

  • Characters of Soft or Hard Seal Valves

    Soft and hard seal are able to complement each other. The seal ability of soft one is better than hard one, however, hard seal now can also meet some requirements. Soft seal has better sealing ability, but can easily age, wear and has a short lifespan. Hard seal can be used longer, but has poorer sealing ability. Characters of Soft Seal Valves Soft seal: one side of the seal is ...

  • Why Hard Surface Steam Cleaners With Motorized Spinners Are Ideal For Cleaning Hard Floors?

    When you need to eliminate heavy layers of grime, hard surface steam cleaners are the most convenient tools to achieve cleanliness. Think of dirty basements, grimy yards, stained bathroom tiles, and you would begin to see why these machines are high in demand at commercial locations. However, there are a lot of differences between different types hard surface steam cleaners, depending on the ...


    By Daimer Industries Inc.

  • `South Asian monsoon variations hard to fathom`

    Understanding how the South Asian monsoon will change in response to global warming  and resolving the uncertainties in projected changes are ‘demanding tasks’ for climate science, a review says. Current state-of-the-art general circulation models have difficulty simulating the regional ...


    By SciDev.Net

  • Desert Year: Why Is It So Hard to Care?

    Guest blogger, Energy Efficiency Markets Reposted from Real Climate Economics Why is it so hard to care about snakes? Or the desert? The climate? And especially the environment more generally? This time the snake was real.  Right there on the side of the road.  Some evenings ago, however, in the waning ...

  • POLITICO takes a hard look at the future of energy

    In 2007, the investigative news site POLITICO launched and quickly became a go-to source for news about policy decisions coming from the nation’s capital. Now, the folks behind POLITICO are turning their lens to the U.S. energy sector with Future of Power, the inaugural special report of the Agenda, ...


    By Ensia

  • Dietary effect on GHG emissions is hard to swallow

    The news is enough to make climate campaigners choke on their high-fibre breakfast cereal: if Americans adopted the dietary guidelines suggested by their own Department of Agriculture, greenhouse gas emissions (GHGs) would actually go up by 12%. And even if Americans did what dietary ...


    By Climate News Network

  • Soft or hard market, what lies ahead

    The past three years for the U.S. economy have been some of the worst in recent memory. Companies have struggled for survival resulting in layoffs, acquisitions, bankruptcies, restructuring and, in many unfortunate cases, the closing of shop doors. This trend has not been lost on insurance carriers, and is one of the primary reasons we are currently experiencing a “soft market.” ...


    By Waste Advantage Magazine

  • Floor Cleaning Machines for Hard Surfaces in Commercial Areas

    Floor cleaning machines for commercial applications must have ruggedness and versatility to handle cleaning operations for longer durations. The large number of choices available makes the task of choosing the right machine extremely challenging. It is important to understand that not all machines are ideal for all surfaces and in all environments. Pressure Washers Hard surface ...


    By Daimer Industries Inc.

  • Limitation of hardness from thermal water by means of nanofiltration

    Geothermal conditions are extremely favourable in Hungary. Thermal water is accessible in 70% of the territory of the country, with a lowest temperature of 30°C. For energetic purposes, it can be utilized in two different ways: for supplying heat or generating electricity. In relation to utilization, one of the most serious problems derives from the chemical composition of thermal ...


    By IWA Publishing

  • Method Abstract #126, Calcium, Magnesium and Total Hardness

    Calcium, Magnesium and Total Hardness Determination by Potentiometric Titration Using TRIS Buffer Scope and Application This method is useful for monitoring the calcium, magnesium and total hardness in water samples. It is a variation of Standard Method 2340C and ASTM D-1126. Hardness analysis typically involved the addition of an ...


    By MANTECH Inc.

  • Using Steam Cleaner Machines for Cleaning Hard Surfaces

    An efficient steam cleaner can handle the toughest grime and dirt and is one of the best cleaning machines available for hard surface cleaning. The cleaning power comes mainly from the output temperature of the machine, which can reach up to 386°F. There are a number of models incorporating the latest technologies available on the market. However, it is important to use machines which can ...


    By Daimer Industries Inc.

  • Large Area Hard Floor Cleaners with Reduced Noise

    Contractors are often hired to maintain cleanliness in and around hospitals, residential areas, nursing homes, schools, public libraries, and similar places. However, using conventional hard floor cleaning machines could have one drawback, the high noise levels. Therefore, contractors use machines designed to operate with reduced noise. The volume of sound generated by advanced large area hard ...


    By Daimer Industries Inc.

  • Three Tips to Use Hard Surface Furniture Cleaners

    Hard surface furniture cleaners are not the same as hard surface cleaners. Normally, we associate pressure washers with cleaning hard surfaces. These machines pump their output onto hard surfaces to blast away dirt and substances present on hard surface. This mode of operation is not suitable for cleaning furniture surfaces, no matter how hard they may be, due to two reasons. First, furniture ...


    By Daimer Industries Inc.

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