total hardness

简明释义

总硬度

英英释义

例句

1.High total hardness 总硬度 can lead to scale buildup in pipes and appliances.

高总硬度 总硬度会导致管道和设备中产生水垢。

2.To improve the taste of the water, we need to reduce its total hardness 总硬度.

为了改善水的口感，我们需要降低其总硬度 总硬度。

3.The aquarium's total hardness 总硬度 must be monitored regularly to ensure fish health.

水族箱的总硬度 总硬度必须定期监测，以确保鱼类健康。

4.The water quality report showed that the total hardness 总硬度 of the tap water is within acceptable limits.

水质报告显示，自来水的总硬度 总硬度在可接受范围内。

5.Testing the total hardness 总硬度 of the well water revealed it was quite high.

对井水的总硬度 总硬度进行测试，结果显示相当高。

作文

Water is an essential resource for all forms of life, and its quality can significantly impact our health and the environment. One important aspect of water quality is its mineral content, which is often measured in terms of total hardness. The term total hardness refers to the concentration of dissolved minerals, primarily calcium and magnesium ions, in water. These minerals are naturally occurring and can come from various sources, including soil, rocks, and even human activities such as agriculture and industrial processes. Understanding total hardness is crucial for several reasons.Firstly, total hardness affects the taste of drinking water. Water with high total hardness can have a distinct taste that some people may find unpleasant. This can lead to a preference for bottled water or water that has been treated to remove excess minerals. Additionally, hard water can cause scaling in pipes and appliances, reducing their efficiency and lifespan. This not only leads to increased maintenance costs but can also affect the overall performance of heating systems and dishwashers.Secondly, total hardness plays a significant role in agricultural practices. Farmers need to be aware of the hardness of their irrigation water, as high levels of calcium and magnesium can affect soil structure and nutrient availability. In some cases, excessive total hardness can lead to nutrient deficiencies in crops, ultimately impacting food production. Therefore, understanding the total hardness of water used for irrigation is vital for sustainable agriculture.Moreover, total hardness can influence aquatic ecosystems. Freshwater organisms have varying tolerance levels to hardness. Some species thrive in hard water, while others prefer softer conditions. Changes in total hardness due to environmental changes or pollution can disrupt local ecosystems, leading to a decline in biodiversity. Monitoring total hardness levels in rivers and lakes is essential for maintaining the health of these ecosystems.In addition to ecological impacts, total hardness can also affect human health. While calcium and magnesium are essential nutrients, excessively hard water can lead to health issues. For instance, people with certain medical conditions such as kidney stones may need to avoid high total hardness water. Furthermore, studies have suggested a link between water hardness and cardiovascular health, although more research is needed to fully understand this relationship.To manage total hardness, municipalities often employ water treatment methods such as ion exchange, reverse osmosis, or lime softening. These techniques help reduce the concentration of calcium and magnesium ions, making water more suitable for consumption and use. Homeowners can also install water softeners to treat hard water, ensuring better quality for their household needs.In conclusion, total hardness is a crucial parameter in assessing water quality. It affects not only the taste and usability of water but also agricultural productivity, aquatic ecosystems, and human health. By understanding and managing total hardness, we can ensure a safer and more sustainable water supply for future generations. Awareness and education on this topic are essential for both individuals and communities to make informed decisions about water use and conservation.

水是所有生命形式的基本资源，其质量会显著影响我们的健康和环境。水质的一个重要方面是其矿物质含量，通常以总硬度来衡量。术语总硬度指的是水中溶解矿物质的浓度，主要是钙和镁离子。这些矿物质是自然存在的，可以来自多种来源，包括土壤、岩石，甚至农业和工业等人类活动。理解总硬度至关重要，原因有几个。首先，总硬度影响饮用水的味道。高总硬度的水可能有一种独特的味道，有些人可能会觉得不愉快。这可能导致人们更倾向于选择瓶装水或经过处理以去除多余矿物质的水。此外，硬水可能在管道和电器中造成水垢，降低其效率和使用寿命。这不仅会导致维护成本增加，还会影响供热系统和洗碗机的整体性能。其次，总硬度在农业实践中发挥着重要作用。农民需要了解他们灌溉水的硬度，因为高水平的钙和镁会影响土壤结构和养分可用性。在某些情况下，过高的总硬度可能导致作物中养分缺乏，最终影响粮食生产。因此，了解用于灌溉的水的总硬度对于可持续农业至关重要。此外，总硬度也会影响水生生态系统。淡水生物对硬度的耐受水平各不相同。一些物种在硬水中茁壮成长，而其他物种则更喜欢较软的条件。由于环境变化或污染导致的总硬度变化可能会破坏当地生态系统，导致生物多样性的下降。监测河流和湖泊中的总硬度水平对维护这些生态系统的健康至关重要。除了生态影响，总硬度还可能影响人类健康。虽然钙和镁是必需营养素，但过度的硬水可能导致健康问题。例如，患有某些疾病（如肾结石）的人可能需要避免高总硬度的水。此外，研究表明水的硬度与心血管健康之间存在联系，尽管仍需更多研究来充分理解这种关系。为了管理总硬度，市政当局通常采用离子交换、反渗透或石灰软化等水处理方法。这些技术有助于降低钙和镁离子的浓度，使水更适合饮用和使用。房主也可以安装水软化器来处理硬水，以确保家庭需求的更好质量。总之，总硬度是评估水质的一个关键参数。它不仅影响水的味道和可用性，还影响农业生产力、水生生态系统和人类健康。通过理解和管理总硬度，我们可以确保为未来几代人提供更安全和更可持续的水供应。提高对这一主题的认识和教育对于个人和社区做出明智的水资源使用和保护决策至关重要。