ultratrace impurity
简明释义
超痕量杂质
英英释义
例句
1.Environmental monitoring often focuses on ultratrace impurity (超微量杂质) levels in water sources.
环境监测通常关注水源中的ultratrace impurity(超微量杂质)水平。
2.The presence of ultratrace impurity (超微量杂质) can significantly affect the performance of electronic devices.
存在ultratrace impurity(超微量杂质)会显著影响电子设备的性能。
3.Pharmaceutical companies must test for ultratrace impurity (超微量杂质) to comply with regulatory standards.
制药公司必须检测ultratrace impurity(超微量杂质)以符合监管标准。
4.Scientists are developing new methods to detect ultratrace impurity (超微量杂质) in food products.
科学家正在开发新的方法来检测食品中的ultratrace impurity(超微量杂质)。
5.In semiconductor manufacturing, detecting ultratrace impurity (超微量杂质) is crucial for ensuring product quality.
在半导体制造中,检测ultratrace impurity(超微量杂质)对确保产品质量至关重要。
作文
In the realm of chemistry and materials science, the concept of ultratrace impurity plays a crucial role in determining the quality and performance of various substances. An ultratrace impurity refers to an extremely small quantity of an unwanted substance that can be present in a material or a solution, often at levels measured in parts per billion (ppb) or even parts per trillion (ppt). These impurities can have significant effects on the properties and behaviors of materials, making their detection and analysis essential in many fields, including pharmaceuticals, electronics, and environmental science.The significance of ultratrace impurity is particularly evident in the pharmaceutical industry, where the purity of active ingredients is paramount. Even the slightest contamination can lead to adverse effects on the efficacy and safety of a drug. For instance, if an active pharmaceutical ingredient contains an ultratrace impurity that is toxic, it could pose serious health risks to patients. Therefore, rigorous testing methods are employed to ensure that these impurities are identified and quantified before the drugs reach the market.In electronics, the presence of ultratrace impurity can affect the performance of semiconductor materials. The electronic properties of these materials can be dramatically altered by the introduction of even minute amounts of foreign elements. This is why manufacturers invest heavily in purification processes to minimize the presence of ultratrace impurity. Advanced analytical techniques, such as mass spectrometry and atomic absorption spectroscopy, are utilized to detect and measure these impurities, ensuring that the final products meet stringent quality standards.Environmental science also faces challenges related to ultratrace impurity. Contaminants in water sources, soil, and air can exist at ultratrace levels, yet they can still have profound impacts on ecosystems and human health. For example, heavy metals like lead or mercury might be present in concentrations so low that they are difficult to detect, but their cumulative effects can be detrimental over time. Monitoring and regulating these ultratrace impurities is critical for environmental protection and public health.As technology advances, the methods for detecting ultratrace impurity continue to improve. New techniques are being developed that increase sensitivity and specificity, allowing scientists to identify and quantify impurities at unprecedented levels. This progress is vital for various industries that rely on high-purity materials, as it enables them to maintain product integrity and compliance with regulatory standards.In conclusion, the understanding of ultratrace impurity is essential across multiple disciplines. Whether in pharmaceuticals, electronics, or environmental monitoring, the presence of these minute contaminants can have far-reaching implications. As research and technology evolve, the ability to detect and control ultratrace impurity will become even more refined, ultimately leading to safer products and a healthier environment. It is imperative for scientists and industry professionals to remain vigilant in their efforts to understand and mitigate the effects of ultratrace impurity, ensuring that we can harness the benefits of advanced materials while minimizing potential risks.
在化学和材料科学领域,超微量杂质的概念在决定各种物质的质量和性能方面发挥着至关重要的作用。超微量杂质是指可能存在于材料或溶液中的极小数量的不需要的物质,通常以十亿分之一(ppb)甚至万亿分之一(ppt)来测量。这些杂质对材料的特性和行为可以产生显著影响,因此在制药、电子和环境科学等许多领域,检测和分析这些杂质是至关重要的。超微量杂质的重要性在制药行业尤为明显,在这里,活性成分的纯度至关重要。即使是最轻微的污染也可能对药物的有效性和安全性产生不利影响。例如,如果一种活性药物成分中含有有毒的超微量杂质,则可能对患者构成严重的健康风险。因此,在药物上市之前,必须进行严格的测试方法,以确保识别和量化这些杂质。在电子产品中,超微量杂质的存在可能会影响半导体材料的性能。这些材料的电子特性可以因外来元素的微量引入而发生剧烈变化。这就是为什么制造商在净化过程中投入大量资金,以尽量减少超微量杂质的存在。先进的分析技术,如质谱法和原子吸收光谱法,被用于检测和测量这些杂质,以确保最终产品符合严格的质量标准。环境科学也面临与超微量杂质相关的挑战。水源、土壤和空气中的污染物可能以超微量水平存在,但它们仍然可能对生态系统和人类健康产生深远的影响。例如,铅或汞等重金属可能以极低的浓度存在,以至于难以检测,但它们的累积效应可能随着时间的推移而变得有害。监测和调节这些超微量杂质对于环境保护和公共健康至关重要。随着技术的进步,检测超微量杂质的方法也在不断改进。新的技术正在开发中,提高灵敏度和特异性,使科学家能够以前所未有的水平识别和量化杂质。这一进展对于依赖高纯度材料的各个行业至关重要,因为它使他们能够保持产品的完整性,并遵守监管标准。总之,理解超微量杂质在多个学科中都是必不可少的。无论是在制药、电子还是环境监测中,这些微小污染物的存在都可能产生深远的影响。随着研究和技术的发展,检测和控制超微量杂质的能力将变得更加精细,最终导致更安全的产品和更健康的环境。科学家和行业专业人士必须在理解和减轻超微量杂质影响的努力中保持警惕,以确保我们能够利用先进材料的好处,同时最大限度地降低潜在风险。