extractability

简明释义

英[ɪkstræktəˈbɪlɪti]美[ɪkstræktəˈbɪəti]

n. 可萃取性，提取性

英英释义

单词用法

同义词

反义词

例句

1.Orthogonal experimental design was applied to investigate the effects of water temperature, brewing duration and brewing times on extractability of Xihu Longjing tea.

摘要利用正交试验设计，研究了冲泡水温与冲泡时间、冲泡水温与冲泡次数对西湖龙井茶冲泡效果的影响。

2.Orthogonal experimental design was applied to investigate the effects of water temperature, brewing duration and brewing times on extractability of Xihu Longjing tea.

摘要利用正交试验设计，研究了冲泡水温与冲泡时间、冲泡水温与冲泡次数对西湖龙井茶冲泡效果的影响。

3.The structural variation of the hydrocarbyl groups in the extractant molecules has the different influences on the extractability of various metal ions.

萃取剂分子中烃基结构的变化对各种金属离子的萃取能力有着不同程度的影响。

4.The data illustrated the extractability was slightly increased in the magnetic field, which could be explained by the same extraction principle.

研究结果认为：在磁场作用下稀土的萃取率稍有升高，萃取机理不变。

5.It is the change of physical properties of system that makes the extractability increase.

萃取率的上升是因体系物理性质发生变化而造成。

6.The extractability of certain compounds can greatly influence the efficiency of the extraction process.

某些化合物的提取性可以显著影响提取过程的效率。

7.Researchers are studying the extractability of natural products from various plants.

研究人员正在研究来自各种植物的天然产品的提取性。

8.The extractability of metals from ores is a crucial factor in mining operations.

矿石中金属的提取性是采矿作业中的一个关键因素。

9.Improving the extractability of bioactive compounds can lead to better pharmaceutical formulations.

提高生物活性化合物的提取性可以导致更好的药物配方。

10.The study focused on the extractability of antioxidants from fruits and vegetables.

该研究集中于从水果和蔬菜中提取抗氧化剂的提取性。

作文

In the field of chemistry and material science, the term extractability refers to the ease with which a particular substance can be separated from a mixture or solution. Understanding extractability is crucial for various applications, including pharmaceuticals, environmental science, and food technology. For instance, in drug development, scientists often need to isolate active compounds from plant materials. The extractability of these compounds can significantly influence the efficiency of the extraction process, which in turn affects the overall yield of the desired product. One of the primary factors that influence extractability is the physical and chemical properties of the substance being extracted. Solubility plays a vital role; substances that dissolve easily in a given solvent will have higher extractability. For example, when extracting caffeine from coffee beans, water is often used as a solvent because caffeine is highly soluble in it. Conversely, some compounds may require specific solvents to enhance their extractability, highlighting the importance of selecting the right extraction method. Moreover, the structure of the material from which a substance is being extracted can also affect its extractability. In botanical extractions, the cell wall composition and integrity of plant tissues can hinder or facilitate the release of active compounds. Techniques such as mechanical disruption, enzymatic treatment, or the application of heat can improve the extractability of certain compounds by breaking down cellular barriers. Environmental factors should also be considered when discussing extractability. Temperature and pressure can influence the solubility of compounds, thereby affecting their extractability. For instance, increasing the temperature usually enhances the solubility of solids in liquids, leading to improved extraction rates. This principle is widely applied in methods like hot water extraction, where boiling water is used to maximize the yield of soluble compounds. In addition to these considerations, the choice of extraction technique plays a critical role in determining the extractability of substances. Traditional methods such as maceration and percolation are still commonly used, but modern techniques like supercritical fluid extraction and microwave-assisted extraction have gained popularity due to their efficiency and ability to preserve the integrity of sensitive compounds. These advanced methods often yield higher extractability rates and can extract a broader range of compounds compared to conventional techniques. The implications of extractability extend beyond laboratory settings. In environmental science, understanding the extractability of pollutants from soil or water is essential for assessing contamination levels and developing remediation strategies. Similarly, in the food industry, the extractability of flavors and nutrients during processing can directly impact the quality and nutritional value of food products. In conclusion, extractability is a multifaceted concept that encompasses various factors, including solubility, material structure, environmental conditions, and extraction techniques. Its significance spans across multiple disciplines, making it a critical area of study for scientists and researchers. By improving our understanding of extractability, we can enhance extraction processes, leading to better yields and more efficient use of resources in both industrial and environmental applications.

在化学和材料科学领域，术语extractability指的是从混合物或溶液中分离特定物质的难易程度。理解extractability对药物、环境科学和食品技术等多个应用至关重要。例如，在药物开发中，科学家们常常需要从植物材料中分离活性化合物。这些化合物的extractability会显著影响提取过程的效率，从而影响所需产品的总体产量。 影响extractability的主要因素之一是被提取物质的物理和化学性质。溶解度在其中起着至关重要的作用；在给定溶剂中易溶的物质将具有更高的extractability。例如，在从咖啡豆中提取咖啡因时，通常使用水作为溶剂，因为咖啡因在水中高度溶解。相反，一些化合物可能需要特定的溶剂来增强它们的extractability，这突显了选择正确提取方法的重要性。 此外，从中提取物质的材料结构也会影响其extractability。在植物提取中，细胞壁的组成和植物组织的完整性可能会妨碍或促进活性化合物的释放。机械破碎、酶处理或加热等技术可以通过打破细胞屏障来改善某些化合物的extractability。 在讨论extractability时，还应考虑环境因素。温度和压力可以影响化合物的溶解度，从而影响它们的extractability。例如，提高温度通常会增强固体在液体中的溶解度，从而提高提取率。这一原理广泛应用于热水提取等方法，其中使用沸水以最大化可溶性化合物的产量。 除了这些考虑因素外，提取技术的选择在确定物质的extractability方面也起着关键作用。传统的方法如浸泡和渗滤仍然被广泛使用，但现代技术如超临界流体提取和微波辅助提取由于其效率和能够保持敏感化合物的完整性而受到青睐。这些先进方法通常比传统技术产生更高的extractability率，并且能够提取更广泛的化合物。 extractability的影响超越了实验室环境。在环境科学中，了解污染物从土壤或水中提取的extractability对于评估污染水平和制定修复策略至关重要。同样，在食品行业，提取过程中风味和营养成分的extractability可以直接影响食品产品的质量和营养价值。 总之，extractability是一个多方面的概念，涵盖了多个因素，包括溶解度、材料结构、环境条件和提取技术。其重要性跨越多个学科，使其成为科学家和研究人员的重要研究领域。通过提高我们对extractability的理解，我们可以改善提取过程，从而在工业和环境应用中实现更好的产量和更有效的资源利用。