mass concentration

简明释义

质量浓度

英英释义

例句

1.Environmental scientists study the mass concentration of greenhouse gases in the atmosphere.

环境科学家研究大气中温室气体的质量浓度。

2.In chemistry, the mass concentration is often expressed in grams per liter.

在化学中，质量浓度通常以每升克数表示。

3.The mass concentration of salt in seawater is approximately 35 grams per liter.

海水中盐的质量浓度约为每升35克。

4.The mass concentration of pollutants in the river was measured to assess water quality.

为了评估水质，测量了河流中污染物的质量浓度。

5.The mass concentration of a solution determines its reactivity in chemical reactions.

溶液的质量浓度决定了其在化学反应中的反应性。

作文

In the field of science, particularly in chemistry and environmental studies, the term mass concentration refers to the amount of a substance (mass) present in a given volume of solution or mixture. This concept is crucial for understanding various chemical reactions and processes, as it helps quantify how much of a particular substance is available for interaction. For instance, in a water sample, knowing the mass concentration of pollutants can inform us about the quality of the water and its safety for consumption. To illustrate, let’s consider a scenario where a factory discharges waste into a river. Scientists may measure the mass concentration of harmful chemicals in the water to assess environmental impact. If the mass concentration exceeds safe limits, it could lead to severe ecological consequences and health risks for nearby communities. Therefore, monitoring the mass concentration of pollutants is essential for maintaining environmental integrity.Moreover, the mass concentration is often expressed in units such as grams per liter (g/L) or milligrams per cubic meter (mg/m³). These units provide clarity and allow for precise calculations in experiments and real-world applications. For example, if a solution contains 5 grams of salt in 1 liter of water, the mass concentration of salt would be 5 g/L. This information is vital for chemists who need to prepare solutions with specific concentrations for their experiments.In addition to environmental science, mass concentration plays a significant role in pharmacology. When developing medications, researchers must determine the correct mass concentration of active ingredients to ensure efficacy and safety. A drug with too high a mass concentration might cause adverse effects, while too low a concentration may render it ineffective. Thus, understanding how to calculate and manipulate mass concentration is fundamental in the pharmaceutical industry.Furthermore, the concept of mass concentration extends beyond liquids. In solid mixtures, the mass concentration can also be calculated to understand the composition of materials. For instance, in metallurgy, knowing the mass concentration of different metals in an alloy can help predict its properties and performance in various applications. In conclusion, the term mass concentration is a vital concept in various scientific disciplines, including chemistry, environmental science, and pharmacology. It allows researchers and professionals to quantify substances accurately, ensuring safety and effectiveness in different applications. Understanding mass concentration not only enhances our knowledge of chemical interactions but also aids in making informed decisions that impact public health and the environment. As we continue to explore and innovate in science, the importance of mass concentration will remain at the forefront of our endeavors, guiding us toward a better understanding of the world around us.

在科学领域，特别是在化学和环境研究中，术语mass concentration指的是在给定体积的溶液或混合物中存在的物质（质量）量。这个概念对于理解各种化学反应和过程至关重要，因为它有助于量化特定物质可用于相互作用的数量。例如，在水样中，知道污染物的mass concentration可以告诉我们水的质量及其安全性。如果mass concentration超过安全限制，可能会导致严重的生态后果和对附近社区的健康风险。因此，监测污染物的mass concentration对于维护环境完整性至关重要。此外，mass concentration通常以克每升（g/L）或毫克每立方米（mg/m³）等单位表示。这些单位提供了清晰度，并允许在实验和实际应用中进行精确计算。例如，如果一个溶液中含有5克盐在1升水中，则盐的mass concentration将是5 g/L。这些信息对于需要为实验准备特定浓度溶液的化学家来说至关重要。除了环境科学，mass concentration在药理学中也发挥着重要作用。在开发药物时，研究人员必须确定活性成分的正确mass concentration以确保疗效和安全性。浓度过高的药物可能导致不良反应，而浓度过低则可能使其无效。因此，理解如何计算和操纵mass concentration在制药行业中是基础。此外，mass concentration的概念超越了液体。在固体混合物中，也可以计算mass concentration以了解材料的组成。例如，在冶金学中，知道合金中不同金属的mass concentration可以帮助预测其在各种应用中的性能和特性。总之，术语mass concentration是多个科学学科中的重要概念，包括化学、环境科学和药理学。它使研究人员和专业人士能够准确量化物质，确保在不同应用中的安全性和有效性。理解mass concentration不仅增强了我们对化学相互作用的认识，而且有助于做出影响公共健康和环境的明智决策。随着我们继续探索和创新科学，mass concentration的重要性将始终处于我们努力的前沿，引导我们更好地理解周围的世界。