degree of purity
简明释义
纯度
英英释义
The degree of purity refers to the extent to which a substance is free from impurities or contaminants, often expressed as a percentage. | 纯度的程度是指某种物质中不含杂质或污染物的程度,通常以百分比表示。 |
例句
1.Higher degree of purity in chemicals can lead to better results in experiments.
化学品的更高纯度程度可以在实验中获得更好的结果。
2.The laboratory tested the sample to determine its degree of purity.
实验室对样品进行了测试,以确定其纯度程度。
3.In pharmaceuticals, the degree of purity is crucial for ensuring safety and efficacy.
在制药行业,纯度程度对于确保安全性和有效性至关重要。
4.The jeweler verified the degree of purity of the gold before crafting the ring.
珠宝商在制作戒指之前验证了黄金的纯度程度。
5.The degree of purity of the water was tested to ensure it was safe for drinking.
水的纯度程度经过测试,以确保其饮用安全。
作文
In the realm of science and industry, the term degree of purity plays a crucial role in determining the quality and usability of various substances. The degree of purity refers to the extent to which a material is free from contaminants or impurities. This concept is particularly significant in fields such as chemistry, pharmaceuticals, and metallurgy, where the properties of a substance can drastically change based on its purity level. For instance, in the pharmaceutical industry, drugs must have a high degree of purity to ensure safety and efficacy. Any impurities could not only reduce the effectiveness of the medication but also pose serious health risks to patients.Moreover, the degree of purity is often quantified and expressed as a percentage. A substance with a 99% degree of purity contains 99 parts of the desired compound and only 1 part of impurities. This measurement is critical for manufacturers who need to meet specific regulatory standards. In many cases, the degree of purity can also affect the performance characteristics of materials. For example, in metallurgy, metals with higher purity levels typically exhibit better conductivity, strength, and resistance to corrosion.Additionally, the importance of degree of purity extends beyond industrial applications. In environmental science, the degree of purity of natural resources, such as water and air, is vital for assessing pollution levels and ensuring public health. Clean drinking water must have a high degree of purity to be safe for consumption, while air quality measurements often include assessments of particulate matter and other pollutants that can compromise human health.The methods used to determine the degree of purity can vary widely depending on the material being analyzed. Techniques such as chromatography, mass spectrometry, and titration are commonly employed in laboratories to assess purity levels accurately. Each method has its advantages and limitations, and the choice of technique often depends on the specific requirements of the analysis.In conclusion, the degree of purity is a fundamental concept that impacts various sectors, from healthcare to environmental protection. Understanding and measuring this degree of purity is essential for ensuring the safety, effectiveness, and quality of products and resources we rely on daily. As industries continue to evolve and face new challenges, maintaining a high degree of purity will remain a priority, underscoring its significance in our lives.
在科学和工业领域,术语纯度等级在确定各种物质的质量和可用性方面起着至关重要的作用。纯度等级指的是材料中不含污染物或杂质的程度。这个概念在化学、制药和冶金等领域尤为重要,因为物质的性质可能会因其纯度水平而发生显著变化。例如,在制药行业,药物必须具有高纯度等级以确保安全性和有效性。任何杂质不仅可能降低药物的效果,还可能对患者造成严重的健康风险。此外,纯度等级通常以百分比形式量化和表示。一个具有99%纯度等级的物质包含99部分所需化合物和仅1部分杂质。这一测量对于需要满足特定监管标准的制造商至关重要。在许多情况下,纯度等级还可能影响材料的性能特征。例如,在冶金中,具有更高纯度水平的金属通常表现出更好的导电性、强度和耐腐蚀性。此外,纯度等级的重要性超越了工业应用。在环境科学中,自然资源(如水和空气)的纯度等级对于评估污染水平和确保公众健康至关重要。清洁饮用水必须具有高纯度等级以确保安全消费,而空气质量测量通常包括对颗粒物及其他污染物的评估,这些污染物可能危害人类健康。用于确定纯度等级的方法可能因被分析的材料而异。色谱法、质谱法和滴定法等技术通常在实验室中被用来准确评估纯度水平。每种方法都有其优缺点,选择技术通常取决于分析的具体要求。总之,纯度等级是一个基本概念,对各个行业产生影响,从医疗保健到环境保护。理解和测量这一纯度等级对确保我们日常依赖的产品和资源的安全性、有效性和质量至关重要。随着行业的不断发展和面临新的挑战,保持高纯度等级将始终是一个优先事项,突显了其在我们生活中的重要性。
相关单词