phosphite

简明释义

英[ˈfɒsfaɪt]美[ˈfɑːsfaɪt]

n. 亚磷酸盐

英英释义

单词用法

同义词

反义词

例句

1.A method for preparing dimethyl phosphite was developed from methanol and phosphorous trichloride.

研究了用三氯化磷和甲醇合成亚磷酸二甲酯的方法。

2.Using ditertbutyl peroxide as initiator, diethyl phosphite reacted with AA and AMPS, then hydrolyzed with conc. hydrochloric acid.

亚磷酸二乙酯与AA、AMPS在二特丁基过氧化物引发剂存在下进行调聚反应，然后用浓盐酸水解。

3.The results showed that the method of triphenyl phosphite had many advantages, such as easiness of operation and high purity of the product.

研究表明，亚磷酸三苯酯法具有操作简便、所得产品纯度高等特点。

4.The invention relates to a method for preparing alkyl phosphonic acid, which comprises the following steps: (1) an alkali metal reacts with phosphite ester to obtain phosphite ester;

本发明涉及一种烷烃基膦酸制备方法，包括下列步骤：（1）碱金属与亚磷 酸酯反应，得到亚磷酸酯盐；

5.The process of preparing glyphosate with dimethyl phosphite and progress in relevant technology are introduced in this paper.

介绍了烷基酯法生产草甘膦的工艺及其近年来的技术进展。

6.In this thesis, we described the synthesis, crystal structure and some properties of a series of metal phosphite compounds.

在这篇论文中，详细地描述了一系列金属亚磷酸盐的合成、结构特点以及一些化学性质。

7.The structure, property, synthesize method, production and market at home and abroad, technological progress and their application in plastics processing of phosphite antioxidants were reviewed.

综述了亚磷酸酯抗氧剂的结构、性能、合成方法、国内外生产与需求、研究进展及在塑料加工中的使用效果。

8.The use of phosphite in agriculture has been shown to enhance plant growth.

在农业中使用磷酸盐已被证明可以促进植物生长。

9.Researchers are studying the effects of phosphite on root development.

研究人员正在研究磷酸盐对根部发育的影响。

10.Adding phosphite to fertilizers can improve nutrient uptake in crops.

将磷酸盐添加到肥料中可以改善作物的养分吸收。

11.The application of phosphite has been effective in controlling certain plant diseases.

施用磷酸盐在控制某些植物疾病方面有效。

12.Farmers often use phosphite as a preventative measure against fungal infections.

农民通常使用磷酸盐作为预防真菌感染的措施。

作文

In the world of chemistry, there are numerous compounds that play vital roles in various processes. One such compound is phosphite, which is a derivative of phosphoric acid. The chemical formula for phosphite is typically represented as PO3^3-, and it has gained significant attention due to its applications in agriculture and environmental science. Understanding the properties and uses of phosphite can provide insights into its importance in both natural ecosystems and human-made systems. Firstly, phosphite is often used as a fertilizer in agriculture. Unlike traditional phosphates, phosphite provides plants with a readily available source of phosphorus, which is essential for their growth and development. Phosphorus plays a crucial role in photosynthesis, energy transfer, and the synthesis of nucleic acids. When applied to crops, phosphite helps improve root development and enhances resistance to diseases. This makes it an attractive option for farmers looking to increase crop yields while minimizing the use of chemical fertilizers that may harm the environment. Moreover, phosphite is recognized for its role in plant defense mechanisms. Research has shown that when plants are treated with phosphite, they can activate their innate immune responses. This phenomenon is particularly beneficial in combating various plant pathogens, including fungi and bacteria. By enhancing the plant's defense system, phosphite not only promotes healthier plants but also reduces the need for chemical pesticides, contributing to more sustainable agricultural practices. In addition to its agricultural benefits, phosphite has important implications in environmental science. It can be used to remediate contaminated soils and water bodies. For instance, phosphite can help immobilize heavy metals and other pollutants, thereby reducing their bioavailability and toxicity in the environment. This property makes phosphite a valuable tool in ecological restoration projects, where the goal is to rehabilitate degraded ecosystems and promote biodiversity. Furthermore, the use of phosphite is not limited to agriculture and environmental remediation. It has also found applications in the field of materials science. Researchers are exploring the potential of phosphite in developing new materials with unique properties, such as flame retardants and stabilizers in plastics. These innovative applications highlight the versatility of phosphite and its potential to contribute to various industries. Despite its many advantages, it is essential to approach the use of phosphite with caution. Over-reliance on any chemical compound can lead to unintended consequences, such as nutrient imbalances in the soil or the development of resistance in pathogens. Therefore, it is crucial for agricultural and environmental practitioners to use phosphite judiciously and in conjunction with other sustainable practices. In conclusion, phosphite is a compound that offers numerous benefits across different fields, from agriculture to environmental science and materials development. Its ability to enhance plant growth, activate defense mechanisms, and aid in ecological restoration underscores its significance in promoting sustainability. As we continue to explore the potential of phosphite, it is vital to balance its use with responsible practices to ensure that we harness its benefits while protecting our ecosystems for future generations.

磷酸盐是化学领域中一种重要的化合物，具有多种应用。它是磷酸的衍生物，化学式通常表示为PO3^3-。磷酸盐在农业和环境科学中引起了广泛关注，理解其性质和用途能够深入认识其在自然生态系统和人造系统中的重要性。 首先，磷酸盐常用于农业中的肥料。与传统的磷酸盐不同，磷酸盐为植物提供了一种易于获取的磷源，磷对植物的生长和发育至关重要。磷在光合作用、能量转移和核酸合成中发挥着关键作用。当施用于作物时，磷酸盐有助于改善根系发育并增强抗病能力。这使得它成为农民寻求提高作物产量同时减少对可能危害环境的化肥使用的理想选择。 此外，磷酸盐在植物防御机制中也发挥着重要作用。研究表明，当植物接受磷酸盐处理时，它们可以激活自身的免疫反应。这一现象在抵御各种植物病原体（包括真菌和细菌）方面尤为有益。通过增强植物的防御系统，磷酸盐不仅促进植物健康，还减少了对化学杀虫剂的需求，有助于更可持续的农业实践。 除了农业利益外，磷酸盐在环境科学中也具有重要意义。它可以用于修复受污染的土壤和水体。例如，磷酸盐可以帮助固定重金属和其他污染物，从而降低其生物有效性和毒性。这一特性使得磷酸盐在生态恢复项目中成为一种宝贵的工具，旨在恢复退化的生态系统，促进生物多样性。 此外，磷酸盐的应用不仅限于农业和环境修复。它在材料科学领域也找到了应用。研究人员正在探索磷酸盐在开发具有独特性质的新材料方面的潜力，例如阻燃剂和塑料中的稳定剂。这些创新应用突显了磷酸盐的多功能性及其对各个行业的贡献潜力。 尽管有许多优点，但在使用磷酸盐时必须谨慎。过度依赖任何化学化合物可能导致意想不到的后果，例如土壤中的养分失衡或病原体的抗药性发展。因此，农业和环境从业者必须明智地使用磷酸盐，并与其他可持续实践结合起来。 总之，磷酸盐是一种在农业、环境科学和材料开发等不同领域提供众多好处的化合物。它增强植物生长、激活防御机制和促进生态恢复的能力凸显了其在推动可持续发展中的重要性。随着我们继续探索磷酸盐的潜力，平衡其使用与负责任的实践至关重要，以确保我们在利用其好处的同时保护我们的生态系统，为子孙后代留下良好的环境。