mass concentration

简明释义

质量浓度

英英释义

例句

1.In the lab, we need to determine the mass concentration of the solution before proceeding.

在实验室中，我们需要在继续之前确定溶液的质量浓度。

2.Scientists measured the mass concentration of carbon dioxide in the atmosphere.

科学家测量了大气中二氧化碳的质量浓度。

3.The mass concentration of salt in seawater is crucial for marine life.

海水中盐的质量浓度对海洋生物至关重要。

4.The report highlighted the mass concentration of heavy metals in soil samples.

报告强调了土壤样本中重金属的质量浓度。

5.The mass concentration of pollutants in the river exceeded safe levels.

河流中污染物的质量浓度超过了安全水平。

作文

In the field of science, particularly in chemistry and environmental studies, the term mass concentration is crucial for understanding the distribution of substances within a given volume. Mass concentration refers to the mass of a substance (usually in grams) present in a unit volume (often in liters) of a solution or mixture. This concept is fundamental in various applications, including pollution assessment, pharmacology, and material science. For instance, when examining water quality, scientists often measure the mass concentration of pollutants such as heavy metals or organic compounds. By determining the mass concentration, researchers can assess whether the levels of these contaminants exceed safe thresholds, which is essential for protecting public health and the environment. This measurement not only provides insight into the current state of the water but also helps in tracking changes over time, allowing for effective management of water resources.In pharmacology, the mass concentration of active ingredients in medications is critical for ensuring their efficacy and safety. For example, a doctor prescribing a medication must understand the mass concentration of the drug in its formulation to determine the appropriate dosage for patients. If the mass concentration is too low, the medication may not work effectively, while a too high concentration could lead to toxicity. Therefore, accurate measurements and understanding of mass concentration are vital in developing and administering pharmaceutical products.Moreover, in material science, the mass concentration of different components in a composite material can significantly affect its properties, such as strength, durability, and thermal conductivity. Engineers and scientists often manipulate the mass concentration of various materials during the manufacturing process to achieve desired characteristics. For example, in creating concrete, the mass concentration of cement, water, and aggregates needs to be precisely controlled to ensure that the final product meets structural requirements.Understanding mass concentration is not limited to scientific fields; it also has practical implications in everyday life. For instance, when cooking, one might refer to the mass concentration of salt in a solution when preparing brines or marinades. Knowing how much salt to add per liter of water can make a significant difference in the flavor and preservation qualities of the food being prepared.In conclusion, the concept of mass concentration plays a pivotal role across various disciplines. Whether it is in assessing environmental health, ensuring the effectiveness of medications, or optimizing material properties, understanding this term is essential. By grasping the significance of mass concentration, we can better appreciate the intricate balance of substances in our world and make informed decisions based on scientific principles. As we continue to explore and innovate, the importance of accurately measuring and understanding mass concentration will undoubtedly remain a key focus in both research and practical applications.

在科学领域，特别是在化学和环境研究中，术语质量浓度对于理解物质在给定体积内的分布至关重要。质量浓度是指在溶液或混合物的单位体积（通常以升为单位）中存在的物质的质量（通常以克为单位）。这一概念在污染评估、药理学和材料科学等多种应用中都是基础。例如，在检查水质时，科学家通常会测量污染物（如重金属或有机化合物）的质量浓度。通过确定质量浓度，研究人员可以评估这些污染物的水平是否超过安全阈值，这对保护公众健康和环境至关重要。这一测量不仅提供了水体当前状态的洞察，还帮助追踪随时间变化的情况，从而有效管理水资源。在药理学中，药物中活性成分的质量浓度对于确保其有效性和安全性至关重要。例如，医生在开处方时必须了解药物配方中的质量浓度，以确定患者的适当剂量。如果质量浓度过低，药物可能效果不佳，而浓度过高则可能导致毒性。因此，准确的测量和对质量浓度的理解在开发和施用药品方面至关重要。此外，在材料科学中，复合材料中不同组分的质量浓度会显著影响其强度、耐久性和热导率等属性。工程师和科学家在制造过程中经常操控各种材料的质量浓度以达到所需特性。例如，在制作混凝土时，水泥、水和骨料的质量浓度需要精确控制，以确保最终产品满足结构要求。理解质量浓度不仅限于科学领域；它在日常生活中也具有实际意义。例如，在烹饪时，人们可能会在准备盐水或腌制液时提到溶液中盐的质量浓度。知道每升水中应添加多少盐，可以显著影响所准备食物的风味和保鲜特性。总之，质量浓度的概念在各个学科中发挥着关键作用。无论是在评估环境健康、确保药物的有效性，还是优化材料性能，理解这个术语都是必不可少的。通过掌握质量浓度的重要性，我们可以更好地欣赏我们世界中物质的微妙平衡，并基于科学原理做出明智的决策。随着我们不断探索和创新，准确测量和理解质量浓度的重要性无疑仍将是研究和实际应用中的重点。