chemically pure

简明释义

化学纯

英英释义

例句

1.The laboratory requires that all reagents used in the experiment be chemically pure.

实验室要求所有用于实验的试剂必须是化学纯净的。

2.In chemical synthesis, starting materials must be chemically pure to avoid unwanted reactions.

在化学合成中，起始材料必须是化学纯净的，以避免不必要的反应。

3.The pharmaceutical company prides itself on producing chemically pure compounds for drug formulation.

这家制药公司以生产用于药物配方的化学纯净的化合物而自豪。

4.To achieve accurate results, it's essential to use chemically pure solvents.

为了获得准确的结果，使用化学纯净的溶剂是至关重要的。

5.When testing water quality, we need to ensure that all samples are chemically pure.

在测试水质时，我们需要确保所有样品都是化学纯净的。

作文

In the world of science, particularly in chemistry, the term chemically pure is of utmost importance. It refers to a substance that is free from any contaminants or impurities, meaning that it consists solely of one type of molecule or compound. Understanding this concept is crucial for various applications, from pharmaceuticals to industrial manufacturing.When we talk about a substance being chemically pure (化学纯净), it signifies that the material has been processed and analyzed to ensure that no foreign substances are present. For instance, in the pharmaceutical industry, the purity of a drug is critical. A chemically pure (化学纯净) drug ensures that patients receive the exact dosage of the active ingredient without any harmful additives or impurities that could affect their health or the drug's efficacy.Moreover, in research laboratories, scientists often require chemically pure (化学纯净) reagents to conduct experiments. If a reagent is not pure, it can lead to inaccurate results, which could potentially derail months of research. The reliability of scientific findings often hinges on the quality of the materials used. Therefore, obtaining chemically pure (化学纯净) substances is a foundational step in ensuring that experimental data is valid and trustworthy.The process of achieving chemically pure (化学纯净) substances involves several techniques, including distillation, crystallization, and chromatography. Each method has its own set of advantages and is chosen based on the specific properties of the substance being purified. For example, distillation is commonly used for liquids, where different boiling points can be exploited to separate components, while crystallization is effective for solid compounds that can form distinct crystals.In addition to the scientific implications, the concept of chemically pure (化学纯净) substances also has significant environmental and safety considerations. Many industries are now focusing on producing chemically pure (化学纯净) products to minimize waste and reduce the environmental impact of their operations. By ensuring that their products are free from harmful chemicals, companies can contribute to a safer ecosystem and promote sustainability.Furthermore, consumers are becoming increasingly aware of the importance of chemically pure (化学纯净) products in their daily lives. From food items to cosmetics, people are seeking out products that are free from synthetic additives and harmful chemicals. This shift in consumer behavior is pushing manufacturers to prioritize purity in their product lines, leading to a greater demand for chemically pure (化学纯净) options.In conclusion, the term chemically pure (化学纯净) encapsulates a vital aspect of chemistry that affects numerous fields, including medicine, research, industry, and consumer goods. Achieving and maintaining chemical purity is essential for ensuring safety, efficacy, and reliability. As our understanding of chemistry continues to evolve, the significance of chemically pure (化学纯净) substances will only grow, highlighting the need for rigorous standards and practices in both scientific and commercial endeavors.

在科学的世界中，尤其是在化学领域，术语chemically pure（化学纯净）极为重要。它指的是一种不含任何污染物或杂质的物质，这意味着它仅由一种类型的分子或化合物组成。理解这一概念对于药品、工业制造等各种应用至关重要。当我们谈论一种物质是chemically pure（化学纯净）时，这表明该材料已被处理和分析，以确保没有外来物质存在。例如，在制药行业，药物的纯度至关重要。一种chemically pure（化学纯净）的药物确保患者接收到确切剂量的活性成分，而没有任何可能影响其健康或药物效力的有害添加剂或杂质。此外，在研究实验室，科学家通常需要chemically pure（化学纯净）试剂进行实验。如果试剂不纯，可能导致不准确的结果，这可能会破坏几个月的研究。因此，科学发现的可靠性往往取决于所用材料的质量。因此，获取chemically pure（化学纯净）物质是确保实验数据有效性和可信性的基础步骤。实现chemically pure（化学纯净）物质的过程涉及多种技术，包括蒸馏、结晶和色谱法。每种方法都有其优点，依据待纯化物质的特性选择。例如，蒸馏通常用于液体，通过利用不同的沸点来分离成分，而结晶则适用于可以形成明显晶体的固体化合物。除了科学意义外，chemically pure（化学纯净）物质的概念还有显著的环境和安全考虑。许多行业现在专注于生产chemically pure（化学纯净）产品，以最小化废物并减少其运营对环境的影响。通过确保其产品不含有害化学物质，公司可以为更安全的生态系统做出贡献，并促进可持续发展。此外，消费者对日常生活中chemically pure（化学纯净）产品的重要性越来越关注。从食品到化妆品，人们正在寻找不含合成添加剂和有害化学物质的产品。这种消费者行为的转变正在推动制造商优先考虑产品的纯度，从而导致对chemically pure（化学纯净）选项的需求增加。总之，术语chemically pure（化学纯净）概括了化学的一个重要方面，影响着包括医学、研究、工业和消费品等多个领域。实现和保持化学纯度对于确保安全性、有效性和可靠性至关重要。随着我们对化学的理解不断发展，chemically pure（化学纯净）物质的重要性只会增加，强调了在科学和商业活动中对严格标准和实践的需求。