selenate

简明释义

英[ˈselɪneɪt]美[ˈseləˌneɪt]

n. 硒酸盐

英英释义

单词用法

同义词

反义词

例句

1.The results showed that the combined toxicities were antagonism in both fluoride and selenite and fluoride and selenate tests.

结果表明，氟离子与两种价态硒的联合毒性都为拮抗作用；

2.The results showed that the combined toxicities were antagonism in both fluoride and selenite and fluoride and selenate tests.

结果表明，氟离子与两种价态硒的联合毒性都为拮抗作用；

3.The purpose of this study was to disclose the mechanism of sodium selenate in electrodeposition of zinc-manganese alloy.

本文旨在探讨硒酸钠提高锌锰合金电沉积电流效率的机理。

4.The purpose of this study was to discuss the mechanism of sodium selenate in electrodeposition of zinc-manganese alloy.

本研究旨在探讨硒酸钠在锌锰合金电沉积中的作用机理。

5.The presence of selenate in the water supply can indicate contamination from agricultural runoff.

水供应中存在硒酸盐可能表明受到农业径流的污染。

6.Researchers are studying the effects of selenate on plant growth and development.

研究人员正在研究硒酸盐对植物生长和发育的影响。

7.High concentrations of selenate can be toxic to aquatic life.

高浓度的硒酸盐对水生生物可能是有毒的。

8.The soil showed elevated levels of selenate after the application of certain fertilizers.

施用某些肥料后，土壤中显示出较高水平的硒酸盐。

9.Monitoring selenate levels is crucial for environmental protection.

监测硒酸盐水平对环境保护至关重要。

作文

Selenium is a vital element that plays an essential role in various biological processes. Among its many compounds, selenate stands out due to its significance in both environmental and health contexts. selenate is a form of selenium in which selenium is in the oxidation state of +6. This compound is commonly found in nature, particularly in soils and water where selenium is present. Understanding selenate and its properties can help us appreciate its importance in agriculture and nutrition. In agriculture, selenate serves as a nutrient for plants. Selenium is crucial for plant growth, and its presence in the soil can affect crop yield and quality. Many plants can absorb selenate from the soil, converting it into organic forms of selenium that are beneficial for both plants and the animals that consume them. For instance, when livestock eat selenium-rich plants, they obtain necessary nutrients that contribute to their health and productivity. However, it is important to note that while selenium is essential, excessive amounts can lead to toxicity. Hence, the concentration of selenate in agricultural practices must be monitored carefully to avoid adverse effects on both crops and livestock. Furthermore, the role of selenate extends beyond agriculture. In human health, selenium is recognized for its antioxidant properties. It helps combat oxidative stress, which is linked to various chronic diseases, including cancer and cardiovascular diseases. The body can utilize selenate efficiently, converting it into selenoproteins that perform critical functions, such as regulating metabolism and supporting immune function. A diet lacking sufficient selenium, often reflected by low levels of selenate, can lead to health issues, emphasizing the need for adequate selenium intake through food sources or supplements. Interestingly, the environmental impact of selenate cannot be overlooked. In some regions, particularly those with high selenium concentrations in soil, there is a risk of leaching into water bodies. This phenomenon can lead to the accumulation of selenate in aquatic ecosystems, posing risks to fish and other wildlife. Elevated levels of selenate in water can be toxic to aquatic organisms, disrupting the ecological balance and affecting biodiversity. Therefore, monitoring and managing selenium levels in the environment is crucial to protect both human health and natural ecosystems. In conclusion, selenate is more than just a chemical compound; it is a significant player in agriculture, human health, and environmental sustainability. Its dual nature as both a nutrient and a potential toxin highlights the importance of understanding its behavior and effects. As we continue to learn more about selenium and its compounds, including selenate, we can better harness its benefits while mitigating risks. This knowledge not only enhances agricultural practices but also informs public health strategies aimed at ensuring that populations receive adequate selenium for optimal health.

硒是一种重要的元素，在各种生物过程中发挥着至关重要的作用。在其众多化合物中，selenate因其在环境和健康方面的重要性而脱颖而出。selenate是硒的一种形式，其中硒的氧化态为+6。这种化合物通常存在于自然界中，特别是在含有硒的土壤和水中。理解selenate及其特性可以帮助我们认识到它在农业和营养中的重要性。 在农业中，selenate作为植物的营养素。硒对植物生长至关重要，其在土壤中的存在会影响作物的产量和质量。许多植物能够从土壤中吸收selenate，将其转化为有机形式的硒，这对植物及其食用的动物都是有益的。例如，当牲畜吃富含硒的植物时，它们获得必要的营养，从而有助于它们的健康和生产力。然而，值得注意的是，虽然硒是必需的，但过量可能导致毒性。因此，必须仔细监测农业实践中selenate的浓度，以避免对作物和牲畜产生不利影响。 此外，selenate的作用不仅限于农业。在人类健康方面，硒因其抗氧化特性而受到认可。它有助于抵御氧化应激，而氧化应激与多种慢性疾病（包括癌症和心血管疾病）有关。身体可以有效利用selenate，将其转化为执行关键功能的硒蛋白，例如调节新陈代谢和支持免疫功能。缺乏足够的硒摄入，通常反映在低水平的selenate中，可能导致健康问题，强调通过食物来源或补充剂确保足够硒摄入的必要性。 有趣的是，selenate的环境影响也不可忽视。在一些地区，特别是那些土壤中硒浓度较高的地区，存在渗漏到水体的风险。这种现象可能导致水生态系统中selenate的积累，对鱼类和其他野生动物构成风险。水中硒酸盐的升高可能对水生生物有毒，扰乱生态平衡并影响生物多样性。因此，监测和管理环境中的硒水平对于保护人类健康和自然生态系统至关重要。 总之，selenate不仅仅是一种化学化合物；它在农业、人类健康和环境可持续性方面都是重要的参与者。它作为营养素和潜在毒素的双重性质突显了理解其行为和影响的重要性。随着我们继续学习有关硒及其化合物的信息，包括selenate，我们可以更好地利用其益处，同时减少风险。这一知识不仅增强了农业实践，还为确保人群获得足够硒以实现最佳健康的公共卫生策略提供了信息。