alkalinity

简明释义

英[ˌælkəˈlɪnəti]美[ˌælkəˈlɪnəti]

n. [化学] 碱度；[化学] 碱性

英英释义

单词用法

同义词

反义词

例句

1.Seawater, however, is alkaline. This alkalinity causes the glue to set.

然而，海水带有碱性，这种碱性就导致了胶质的聚合。

2.Using analysis methods of orthogonal combination under the conditions of high alkalinity, sintering process on Vanadic Titanomagnetite are researched.

在高碱度条件下，运用正交组合分析手段，对钒钛磁铁精矿的烧结工艺进行烧结实验研究分析。

3.At sufficiently high temperatures and alkalinity, fatty esters may be hydrolyzed to produce soaps.

在足够的温度和碱度的情况下，脂护酯可能被水解产生皂类。

4.Aiming at serious pollution and no good biochemical quality in refinery alkalinity waste liquid, using hydrolysis-contact oxidation process to treat it.

针对炼油废碱液污染浓度高、可生化性差的特点，采用水解与接触氧化组合工艺进行处理。

5.It has good colour retention, excellent resistance to water and alkalinity on the concrete surface. Applied at ambient temperature.

具有保色性佳、耐水洗和混凝土表面的碱度等特点，对施工温度没有要求。

6.As the acid condition of the body changes to one of alkalinity, symptoms may arise that may confuse you.

由于酸性条件之一碱度身体变化，可能出现的症状可能迷惑你。

7.The system shall be again water flushed to remove alkalinity of the system.

系统应该再次进行冲洗去除系统残留碱液。

8.By pot growing method, effects of different salinity-alkalinity complex stress on tiller number and thy matter accumulation of rice were studied.

采用盆栽法研究了不同盐碱度对水稻分蘖数、 分蘖前期和分蘖末期干物质积累状况及产量的影响。

9.The alkalinity of the water is crucial for maintaining a healthy aquarium.

水的碱度对于维持健康的水族箱至关重要。

10.To achieve optimal growth, plants require a specific range of soil alkalinity.

为了实现最佳生长，植物需要特定范围的土壤碱度。

11.A high level of alkalinity in drinking water can affect taste and health.

饮用水中高水平的碱度可能影响口感和健康。

12.The alkalinity of pool water should be regularly monitored to prevent corrosion.

泳池水的碱度应定期监测以防止腐蚀。

13.Farmers often test soil alkalinity to determine the best crops to plant.

农民经常测试土壤的碱度以确定最佳种植作物。

作文

Alkalinity is a term that refers to the capacity of water to neutralize acids. It is an important concept in chemistry and environmental science, particularly when discussing water quality. Understanding alkalinity is crucial for various applications, including agriculture, aquaculture, and even swimming pool maintenance. In essence, alkalinity helps to maintain a stable pH level in water, which is vital for the health of aquatic life and the effectiveness of chemical processes.In natural waters, alkalinity is primarily due to the presence of bicarbonate, carbonate, and hydroxide ions. These compounds can react with acids to form weaker acids, thereby preventing significant fluctuations in pH. For instance, when acid rain falls into a lake, the alkalinity of the water acts as a buffer, helping to mitigate the harmful effects of the acidity. Without sufficient alkalinity, aquatic ecosystems can suffer from pH changes that can be detrimental to fish and other organisms.In agricultural practices, understanding alkalinity is essential for soil management. Soils with high alkalinity can lead to nutrient deficiencies, affecting crop yields. Farmers often test soil alkalinity to determine the appropriate amendments needed to optimize plant growth. For example, if a soil test reveals high alkalinity, farmers may need to add sulfur or organic matter to lower the pH and improve nutrient availability.Aquaculture systems also rely heavily on monitoring alkalinity. Fish and other aquatic organisms thrive in environments with stable pH levels. Therefore, aquaculturists regularly check the alkalinity of their water to ensure it remains within optimal ranges. A sudden drop in alkalinity can lead to stress or even death in fish, making it a critical parameter to monitor.Furthermore, in recreational water bodies like swimming pools, maintaining proper alkalinity is key to ensuring water quality and safety. The ideal range for pool alkalinity is typically between 80 to 120 parts per million (ppm). If the alkalinity is too low, the pool water can become corrosive, damaging equipment and irritating skin and eyes. Conversely, high alkalinity can make it difficult to adjust the pH, leading to cloudy water and scaling.In conclusion, alkalinity is a fundamental aspect of water chemistry that influences a wide range of natural and human-managed systems. Whether in natural ecosystems, agriculture, aquaculture, or recreational facilities, maintaining appropriate levels of alkalinity is essential for promoting health and stability. As we continue to face environmental challenges, understanding the role of alkalinity in our ecosystems will be increasingly important for sustainable management practices.

碱度是一个指水中中和酸的能力的术语。它是化学和环境科学中的一个重要概念，特别是在讨论水质时。理解碱度对于农业、水产养殖甚至游泳池维护等各种应用至关重要。从本质上讲，碱度有助于维持水中的稳定pH水平，这对水生生物的健康和化学过程的有效性至关重要。在自然水体中，碱度主要由于碳酸氢根、碳酸盐和氢氧根离子的存在。这些化合物可以与酸反应形成较弱的酸，从而防止pH值发生显著波动。例如，当酸雨落入湖泊时，水的碱度作为缓冲剂，有助于减轻酸度的有害影响。如果没有足够的碱度，水生生态系统可能会遭受pH变化，这对鱼类和其他生物是有害的。在农业实践中，了解碱度对于土壤管理至关重要。高碱度的土壤可能导致营养缺乏，从而影响作物产量。农民通常会测试土壤的碱度，以确定优化植物生长所需的适当改良剂。例如，如果土壤测试显示高碱度，农民可能需要添加硫或有机物质来降低pH并改善养分可用性。水产养殖系统也严重依赖于监测碱度。鱼类和其他水生生物在pH水平稳定的环境中茁壮成长。因此，水产养殖者定期检查水的碱度，以确保其保持在最佳范围内。碱度的突然下降可能导致鱼类的压力甚至死亡，这使得监测成为一项关键参数。此外，在游泳池等休闲水体中，保持适当的碱度对于确保水质和安全至关重要。游泳池的理想碱度范围通常在每百万部分（ppm）80到120之间。如果碱度过低，池水可能变得腐蚀性，损坏设备并刺激皮肤和眼睛。相反，高碱度可能使调整pH变得困难，导致水浑浊和结垢。总之，碱度是水化学的一个基本方面，影响着各种自然和人类管理的系统。无论是在自然生态系统、农业、水产养殖还是休闲设施中，维持适当的碱度对于促进健康和稳定至关重要。随着我们继续面临环境挑战，理解碱度在生态系统中的作用将对可持续管理实践变得越来越重要。