orthophosphate

简明释义

英[ˌɔrθoʊˈfæsfeɪt]美[ˌɔrθoʊˈfæsfeɪt]

n. [无化] 正磷酸盐

英英释义

单词用法

同义词

反义词

例句

1.Water quality - determination of dissolved anions by liquid chromatography of ions - part 2 : determination of bromide, chloride, nitrate, nitite, orthophosphate and sulfate in waste water.

水质。用液态离子色谱法测定已溶解的阴离子。第2部分：在废水中溴化物氟化物硝酸盐亚硝酸盐正磷酸盐和硫酸盐的测定。

2.Water quality - determination of dissolved anions by liquid chromatography of ions - part 2 : determination of bromide, chloride, nitrate, nitite, orthophosphate and sulfate in waste water.

水质。用液态离子色谱法测定已溶解的阴离子。第2部分：在废水中溴化物氟化物硝酸盐亚硝酸盐正磷酸盐和硫酸盐的测定。

3.The applications of melamine phosphates in intumescent coatings reveal that melamine pyrophosphate and melamine orthophosphate can improve the heat-insulating properties of the coatings.

在膨胀型防火涂料中应用结果表明，三聚氰胺焦磷酸盐和三聚氰胺正磷酸盐能明显改善防火涂层的隔热性能。

4.Pyruvate orthophosphate dikinase (PPDK) is a key enzyme of C4 photosynthesis pathway. It plays an important role in C4 photosynthesis.

丙酮酸磷酸双激酶是C4光合途径中的专一性酶，在C4光合作用中起着重要作用。

5.The plating baths with different orthophosphate content were analysed, and the corresponding coating characteristic was tested.

对正磷酸根含量不同的镀液进行了分析，并测试了相应镀层的性能。

6.Starch phosphate monoesters were synthesized with sweet potato starches and orthophosphate mixture by the wet process.

以甘薯淀粉为原料，与混合正磷酸盐作用，采用湿法工艺制备淀粉磷酸单酯。

7.Starch phosphate monoesters were synthesized with the corn starches and orthophosphate mixture by the wet process.

以玉米淀粉为原料，与混合磷酸盐作用，采用湿法工艺制备淀粉。

8.The study of competitive sorption of inositol hexaphosphate and orthophosphate by several soils from …

探讨数种台湾土壤正磷酸盐与环己六醇磷脂之竞争吸附。

9.Root-shoot ratio is the lowest in the diammonium orthophosphate treatment;

施磷二铵处理的根冠比明显低于不施肥处理和施尿素处理；

10.The concentration of orthophosphate in the water sample was measured to assess nutrient levels.

为了评估营养水平，水样中的正磷酸盐浓度被测量。

11.Adding orthophosphate can help prevent corrosion in water distribution systems.

添加正磷酸盐可以帮助防止供水系统中的腐蚀。

12.In agricultural practices, orthophosphate is often used as a fertilizer.

在农业实践中，正磷酸盐常用作肥料。

13.The presence of orthophosphate in the soil indicates a high level of phosphorus availability.

土壤中存在的正磷酸盐表明磷的可用性很高。

14.Monitoring orthophosphate levels is crucial for maintaining aquatic ecosystems.

监测正磷酸盐水平对于维持水生生态系统至关重要。

作文

In recent years, the study of nutrients in aquatic ecosystems has gained significant attention due to its critical role in maintaining ecological balance. One of the key nutrients that scientists focus on is orthophosphate, which is a form of phosphorus that is readily available for uptake by aquatic plants and algae. Understanding the dynamics of orthophosphate in water bodies is essential for managing water quality and preventing issues such as eutrophication, which can lead to harmful algal blooms and oxygen depletion. Orthophosphate (正磷酸盐) exists in various forms in nature, but it is the inorganic phosphate that is most relevant to aquatic environments. It can be found in fertilizers, detergents, and even in natural sources like animal waste. When these substances enter water bodies, they can significantly increase the concentration of orthophosphate, leading to nutrient pollution. This pollution can have detrimental effects on aquatic life, as excessive nutrients promote the rapid growth of algae, which can block sunlight from reaching submerged plants and disrupt the entire ecosystem. To illustrate the importance of monitoring orthophosphate levels, consider a case study of a lake that experienced severe algal blooms due to agricultural runoff. Farmers in the surrounding area were using fertilizers high in phosphorus content, and during heavy rains, these nutrients washed into the lake. As the orthophosphate levels skyrocketed, the lake's ecology began to deteriorate. Fish populations declined, and the water became unsafe for recreational activities. This situation prompted local authorities to implement stricter regulations on fertilizer use and to promote best management practices among farmers. The relationship between orthophosphate and aquatic ecosystems highlights the need for effective monitoring and management strategies. Scientists employ various methods to measure orthophosphate concentrations in water samples, including colorimetric analysis, which involves adding reagents that produce a color change in the presence of phosphates. These measurements help researchers understand the sources and trends of nutrient loading in different water bodies. Furthermore, public awareness campaigns are crucial in educating communities about the impact of orthophosphate on water quality. By promoting the use of phosphorus-free products and encouraging responsible landscaping practices, individuals can contribute to reducing orthophosphate runoff into nearby waterways. For instance, using native plants that require less fertilization can greatly diminish the amount of phosphorus entering the ecosystem. In conclusion, orthophosphate plays a vital role in aquatic ecosystems, influencing both plant growth and overall water quality. The challenges posed by nutrient pollution underscore the importance of understanding and managing orthophosphate levels in our lakes, rivers, and oceans. Through collaborative efforts between scientists, policymakers, and the public, we can work towards healthier aquatic environments and sustainable practices that protect these invaluable resources for future generations.

近年来，水生生态系统中营养物质的研究受到了广泛关注，因为它在维持生态平衡方面起着关键作用。科学家们关注的关键营养物质之一是正磷酸盐，这是一种可以被水生植物和藻类迅速吸收的磷的形式。了解水体中正磷酸盐的动态对于管理水质和防止如富营养化等问题至关重要，这种问题可能导致有害的藻类暴发和氧气耗竭。 正磷酸盐（orthophosphate）以多种形式存在于自然界中，但对水生环境最相关的是无机磷酸盐。它可以在肥料、洗涤剂中找到，甚至在动物废物等自然来源中也存在。当这些物质进入水体时，会显著增加正磷酸盐的浓度，导致营养污染。这种污染可能对水生生物产生不利影响，因为过量的营养物质促进了藻类的快速生长，从而阻碍阳光到达水下植物，破坏整个生态系统。 为了说明监测正磷酸盐水平的重要性，可以考虑一个湖泊的案例研究，该湖因农业径流而经历了严重的藻类爆发。周边地区的农民使用含磷量高的肥料，在大雨期间，这些营养物质冲入湖中。随着正磷酸盐水平飙升，湖泊的生态开始恶化。鱼类数量减少，水域变得不适合休闲活动。这一情况促使地方当局对肥料使用实施更严格的规定，并推动农民采用最佳管理实践。 正磷酸盐与水生生态系统之间的关系突显了有效监测和管理策略的必要性。科学家们采用各种方法来测量水样中的正磷酸盐浓度，包括比色分析，这涉及添加试剂，在存在磷酸盐的情况下产生颜色变化。这些测量帮助研究人员了解不同水体中营养物质负荷的来源和趋势。 此外，公众意识宣传在教育社区有关正磷酸盐对水质影响方面至关重要。通过推广使用无磷产品并鼓励负责任的园艺实践，个人可以为减少正磷酸盐径流进入附近水道做出贡献。例如，使用需要更少施肥的本土植物可以大大减少进入生态系统的磷的数量。 总之，正磷酸盐在水生生态系统中发挥着至关重要的作用，影响植物生长和整体水质。营养污染带来的挑战强调了理解和管理我们湖泊、河流和海洋中正磷酸盐水平的重要性。通过科学家、政策制定者和公众之间的合作努力，我们可以朝着更健康的水生环境和保护这些宝贵资源的可持续实践迈进，以造福未来世代。