chelation

简明释义

英[ˈkiːleɪʃən]美[kiːˈleɪʃən]

n. [化学] 螯合作用

英英释义

单词用法

同义词

反义词

例句

1.With functions of adsorption, ion exchange and chelation, it is natural growth-regulating hormone of green plants to promote the nutrition absorption of plants.

是绿色植物的天然生长调节激素，促进植物对养份的吸收。

2.Note: There will be diluted bubble created, we should slowly chelation powder with water, and then you can mix evenly.

注意：稀释时会有汽泡产生，要慢慢把螯合粉加入水中，然后搅拌均匀即可。

3.A sequestering agent USES chelation to separate the iron cation from the anion by chelating to prevent the formation of iron hydroxide during acidizing.

螯合剂利用螯合作用使铁离子(阳离子)与阴离子分离，以防止在酸化作业期间生成氢氧化铁。

4.Chelation therapy in children who continue to be exposed to lead is ineffective and may exacerbate toxicity.

螯合疗法对于持续暴露在铅环境的儿童不产生治疗效果，而可能加重中毒现象。

5.The reaction parameters such as the parameters of RF-sputtering, the category of the chelation and the environment of the solution are investigated.

研究溅射参数、络合剂与反应溶液环境等反应参数对制备过程的影响。

6.Chelation therapy was the main vigorous way to cure the disease with rather favourable prognosis.

治疗主要措施是积极驱铅治疗，预后良好。

7.ATMP has excellent chelation, low threshold inhibition and lattice distortion ability.

本品具有良好的螯合、低限抑制及晶格畸变作用。

8.In agriculture, chelation helps improve the availability of nutrients to plants.

在农业中，螯合有助于提高植物对养分的可用性。

9.The chelation process can also be applied in water treatment to remove contaminants.

在水处理过程中也可以应用螯合工艺去除污染物。

10.Certain medications work by chelation, binding to metal ions in the bloodstream.

某些药物通过螯合作用，结合血液中的金属离子。

11.Doctors often recommend chelation therapy for patients with lead poisoning.

医生通常建议对铅中毒患者进行螯合治疗。

12.The process of chelation is used to remove heavy metals from the body.

通过螯合过程可以从体内去除重金属。

作文

Chelation is a fascinating biochemical process that plays a crucial role in various fields, including medicine, environmental science, and agriculture. The term ‘chelation’ refers to the formation of a complex between a metal ion and a chelating agent, which is typically an organic compound that can bind to the metal ion through multiple coordination sites. This process not only helps in the detoxification of heavy metals from the body but also enhances the bioavailability of essential nutrients. In this essay, I will explore the significance of chelation (螯合) in human health and its applications in different industries.In the medical field, chelation (螯合) therapy has gained popularity as a treatment for heavy metal poisoning, particularly lead and mercury. These metals can accumulate in the body and cause serious health issues, including neurological damage and organ failure. By administering chelating agents such as EDTA (ethylenediaminetetraacetic acid), healthcare professionals can effectively remove these toxic metals from the bloodstream. The chelating agent binds to the metal ions, forming a stable complex that can be excreted through urine. This process not only alleviates symptoms of poisoning but also prevents long-term health complications.Moreover, chelation (螯合) is essential in the field of nutrition. Certain minerals, like iron and calcium, are vital for our health, but their absorption can be hindered by other compounds present in food. Chelating agents can enhance the solubility and absorption of these minerals, making them more bioavailable to the body. For instance, in agricultural practices, chelated fertilizers are used to improve nutrient uptake by plants. These fertilizers contain nutrients that are bound to chelating agents, allowing plants to absorb them more efficiently, especially in soils with high pH levels where nutrients are often less available.In addition to its benefits in human health and agriculture, chelation (螯合) also has significant implications in environmental science. Heavy metal contamination in soil and water bodies poses a severe threat to ecosystems and human health. Researchers are exploring the use of natural chelators, such as certain plants and microorganisms, to remediate contaminated sites. These natural chelators can bind to heavy metals, reducing their toxicity and facilitating their removal from the environment. This bioremediation approach not only cleans up polluted sites but also promotes sustainable practices in managing environmental contaminants.Despite its numerous advantages, the use of chelation (螯合) therapy and agents must be approached with caution. Overuse or misuse of chelating agents can lead to the depletion of essential minerals in the body, resulting in adverse health effects. Therefore, it is crucial to consult healthcare professionals before undergoing any chelation therapy. Similarly, in agriculture, the over-application of chelated fertilizers can lead to nutrient imbalances in the soil, affecting overall soil health and crop productivity.In conclusion, chelation (螯合) is a vital process with wide-ranging applications in medicine, nutrition, and environmental science. Its ability to bind metal ions and facilitate their removal or bioavailability makes it an invaluable tool in combating heavy metal toxicity, enhancing nutrient absorption, and addressing environmental pollution. As we continue to explore and understand the intricacies of chelation (螯合), it is essential to balance its benefits with responsible usage to ensure the well-being of both humans and the environment.

螯合是一个迷人的生化过程，在医学、环境科学和农业等多个领域中发挥着至关重要的作用。术语“螯合”指的是金属离子与螯合剂之间形成的复合物，这通常是一个可以通过多个配位位点与金属离子结合的有机化合物。这个过程不仅有助于从体内解毒重金属，还增强了必需营养素的生物利用度。在这篇文章中，我将探讨螯合在人体健康中的重要性及其在不同产业中的应用。在医学领域，螯合疗法因其作为重金属中毒治疗的有效手段而受到关注，特别是铅和汞。这些金属可以在体内积累并导致严重的健康问题，包括神经损伤和器官衰竭。通过使用如EDTA（乙二胺四乙酸）等螯合剂，医疗专业人员可以有效地从血液中去除这些有毒金属。螯合剂与金属离子结合，形成一个稳定的复合物，可以通过尿液排出。这一过程不仅缓解了中毒症状，还防止了长期健康并发症。此外，螯合在营养领域也至关重要。某些矿物质，如铁和钙，对我们的健康至关重要，但它们的吸收可能会受到食物中其他化合物的阻碍。螯合剂可以增强这些矿物质的溶解度和吸收，使其更容易被身体利用。例如，在农业实践中，使用螯合肥料来改善植物对养分的吸收。这些肥料含有与螯合剂结合的养分，使植物能够更有效地吸收它们，特别是在土壤pH值较高的情况下，养分往往不那么可用。除了在人类健康和农业中的益处外，螯合在环境科学中也具有重要意义。土壤和水体中的重金属污染对生态系统和人类健康构成严重威胁。研究人员正在探索使用天然螯合剂，如某些植物和微生物，来修复受污染的场所。这些天然螯合剂可以与重金属结合，降低其毒性，并促进其从环境中的去除。这种生物修复方法不仅清理了污染场所，还促进了管理环境污染物的可持续实践。尽管有许多优点，但使用螯合疗法和剂必须谨慎对待。过度使用或错误使用螯合剂可能导致体内必需矿物质的耗竭，从而产生不良健康影响。因此，在进行任何螯合疗法之前，咨询医疗专业人员至关重要。同样，在农业中，过量施用螯合肥料可能导致土壤中养分失衡，影响整体土壤健康和作物生产力。总之，螯合是一个重要的过程，在医学、营养和环境科学中具有广泛的应用。它能够结合金属离子并促进其去除或生物利用，使其成为应对重金属毒性、增强营养吸收和解决环境污染的宝贵工具。随着我们继续探索和理解螯合的复杂性，平衡其益处与负责任的使用至关重要，以确保人类和环境的福祉。