ph meter

简明释义

ph 计

英英释义

例句

1.In hydroponics, a reliable ph meter is essential for monitoring nutrient levels.

在水培中，一个可靠的ph meter（pH计）对于监测营养水平至关重要。

2.A digital ph meter provides more accurate readings than traditional litmus paper.

数字ph meter（pH计）提供比传统试纸更准确的读数。

3.The ph meter must be rinsed with distilled water after each measurement.

每次测量后，必须用蒸馏水冲洗ph meter（pH计）。

4.To ensure the accuracy of your experiments, always calibrate your ph meter before use.

为了确保实验的准确性，使用前请始终校准你的ph meter（pH计）。

5.Farmers often use a ph meter to test soil acidity for better crop yields.

农民通常使用ph meter（pH计）测试土壤酸度，以提高作物产量。

作文

A pH meter is an essential instrument used in various fields such as chemistry, biology, agriculture, and environmental science. This device measures the acidity or alkalinity of a solution, providing a quantitative value that indicates how acidic or basic a substance is. The scale ranges from 0 to 14, with 7 being neutral. Values below 7 indicate acidity, while values above 7 indicate alkalinity. Understanding the pH level of a solution is crucial for many scientific processes, as it can affect chemical reactions, biological activity, and overall product quality.In agriculture, for instance, farmers often use a pH meter to test soil acidity. Different crops thrive at different pH levels, and knowing the soil's pH can help farmers determine the best crops to plant and the necessary amendments to improve soil health. For example, blueberries prefer acidic soil with a pH of around 4.5 to 5.5, while asparagus grows best in slightly alkaline conditions with a pH of 7.0 to 8.0. By using a pH meter, farmers can optimize their yields and ensure that their plants receive the nutrients they need to flourish.In the field of environmental science, a pH meter plays a vital role in monitoring water quality. Water bodies can become acidic due to pollution, which can harm aquatic life. Regularly measuring the pH of rivers, lakes, and streams helps scientists detect changes in water quality and assess the health of ecosystems. For example, a sudden drop in pH levels may indicate an influx of acid rain or industrial waste, prompting further investigation and potential remediation efforts.In laboratories, researchers rely on pH meters for precise measurements during experiments. Many chemical reactions are sensitive to pH changes, and maintaining the correct pH is essential for obtaining accurate results. A pH meter provides a quick and reliable way to monitor pH levels, allowing scientists to make necessary adjustments in real-time. This precision is particularly important in fields like pharmaceuticals, where the efficacy of a drug can be influenced by its acidity or alkalinity.Moreover, the advancement of technology has led to the development of more sophisticated pH meters. Modern devices are often digital, providing easy-to-read displays and advanced features such as automatic temperature compensation and data logging capabilities. These innovations have made it easier for users to obtain accurate readings and track changes over time.In conclusion, the pH meter is a crucial tool across multiple disciplines. Its ability to measure acidity and alkalinity accurately helps inform decisions in agriculture, environmental monitoring, and scientific research. As we continue to face challenges related to food production, environmental conservation, and health, the importance of understanding pH levels will only grow. Therefore, mastering the use of a pH meter is essential for anyone involved in these fields, ensuring they can contribute effectively to their respective areas of expertise.

pH计是一种在化学、生物学、农业和环境科学等多个领域中使用的重要仪器。该设备用于测量溶液的酸度或碱度，提供一个定量值，指示物质的酸性或碱性程度。pH值的范围从0到14，其中7为中性。低于7的值表示酸性，而高于7的值则表示碱性。了解溶液的pH水平对于许多科学过程至关重要，因为它会影响化学反应、生物活动和整体产品质量。例如，在农业中，农民常常使用pH计来测试土壤酸度。不同的作物在不同的pH水平下生长良好，了解土壤的pH可以帮助农民确定最佳种植作物及所需的改良措施，以改善土壤健康。例如，蓝莓喜欢pH约为4.5到5.5的酸性土壤，而芦笋在pH为7.0到8.0的微碱性条件下生长最好。通过使用pH计，农民可以优化产量，确保植物获得所需的营养，以茁壮成长。在环境科学领域，pH计在监测水质方面发挥着重要作用。水体由于污染可能变得酸性，这可能对水生生物造成伤害。定期测量河流、湖泊和溪流的pH有助于科学家检测水质变化并评估生态系统的健康。例如，pH水平的突然下降可能表明酸雨或工业废物的涌入，从而促使进一步调查和潜在的修复工作。在实验室中，研究人员依赖pH计在实验过程中进行精确测量。许多化学反应对pH变化敏感，保持正确的pH对获得准确结果至关重要。pH计提供了一种快速可靠的方式来监测pH水平，使科学家能够实时进行必要的调整。这种精确性在制药等领域尤为重要，因为药物的有效性可能受到其酸性或碱性的影响。此外，技术的进步导致了更先进的pH计的发展。现代设备通常是数字式的，提供易于阅读的显示屏以及自动温度补偿和数据记录等先进功能。这些创新使用户更容易获得准确的读数并跟踪时间变化。总之，pH计是多个学科中至关重要的工具。它准确测量酸度和碱度的能力有助于在农业、环境监测和科学研究中做出明智的决策。随着我们继续面临与食品生产、环境保护和健康相关的挑战，了解pH水平的重要性只会增加。因此，掌握pH计的使用对于任何参与这些领域的人来说都是必不可少的，以确保他们能够有效地为各自的专业领域做出贡献。