dry weight

简明释义

净重

英英释义

例句

1.The dry weight of the food sample was significantly lower after dehydration.

脱水后，食品样本的干重明显降低。

2.The dry weight of the soil is important for understanding its compaction and porosity.

土壤的干重对于理解其压实度和孔隙率很重要。

3.In order to calculate the dry weight, we must remove all moisture from the sample.

为了计算干重，我们必须去除样品中的所有水分。

4.Researchers often report the dry weight of algae to assess their biomass.

研究人员通常报告藻类的干重以评估其生物量。

5.The dry weight of the plant is measured to determine its nutrient content.

植物的干重被测量以确定其营养成分。

作文

Understanding the concept of dry weight is crucial in various fields, especially in biology and environmental science. The term dry weight refers to the weight of a substance after all the water has been removed. This measurement is particularly important when analyzing the composition of biological samples, as it provides a more accurate representation of the material's true mass without the influence of water content. For instance, when studying plant growth, researchers often measure the dry weight of leaves, stems, and roots to assess the overall health and biomass of the plant. By doing so, they can determine how much of the plant's mass is attributed to water versus solid matter, which is essential for understanding nutrient uptake and growth patterns.In agricultural practices, the concept of dry weight is equally significant. Farmers and agronomists measure the dry weight of crops to evaluate yield and productivity. By knowing the dry weight, they can make informed decisions about irrigation, fertilization, and harvesting times. For example, if a particular crop has a high dry weight, it indicates that the plant has successfully converted nutrients into biomass, suggesting favorable growing conditions. Conversely, a low dry weight may signal issues such as nutrient deficiency or excessive water, prompting farmers to adjust their management practices accordingly.Moreover, the concept of dry weight extends beyond agriculture and biology. In the field of environmental science, measuring the dry weight of sediment samples from rivers or lakes helps researchers understand the accumulation of pollutants and organic matter over time. By analyzing the dry weight of these sediments, scientists can infer the health of aquatic ecosystems and track changes due to human activity or natural processes. This information is vital for developing conservation strategies and assessing the impact of environmental changes on biodiversity.Additionally, in clinical settings, the dry weight of patients, particularly those undergoing dialysis, is an important parameter. It refers to the patient's weight after excess fluid has been removed, helping healthcare providers determine the appropriate amount of fluid to remove during treatment. Maintaining an optimal dry weight can significantly improve patient outcomes and quality of life.In summary, the term dry weight holds significant importance across various disciplines. Whether in agriculture, biology, environmental science, or healthcare, understanding and accurately measuring dry weight allows professionals to make better-informed decisions. It provides insights into growth patterns, ecosystem health, and patient care, ultimately contributing to advancements in research and practical applications. As we continue to explore and study our world, the concept of dry weight will remain a fundamental aspect of scientific inquiry and understanding.

理解干重的概念在多个领域中至关重要，尤其是在生物学和环境科学中。术语干重指的是去除所有水分后的物质重量。这一测量在分析生物样本的组成时尤为重要，因为它提供了一个更准确的材料真实质量的表现，而不受水分含量的影响。例如，在研究植物生长时，研究人员通常会测量叶子、茎和根的干重，以评估植物的整体健康和生物量。通过这样做，他们可以确定植物的质量中有多少是归因于水分与固体物质，这对于理解养分吸收和生长模式至关重要。在农业实践中，干重的概念同样重要。农民和农艺师测量作物的干重来评估产量和生产力。通过了解干重，他们可以就灌溉、施肥和收获时间做出明智的决策。例如，如果某种作物的干重很高，这表明植物成功地将养分转化为生物量，暗示着有利的生长条件。相反，低干重可能表明营养不足或水分过多，促使农民相应地调整管理实践。此外，干重的概念超越了农业和生物学。在环境科学领域，测量河流或湖泊沉积物样本的干重帮助研究人员了解污染物和有机物随时间的积累。通过分析这些沉积物的干重，科学家可以推断水生生态系统的健康状况，并追踪由于人类活动或自然过程造成的变化。这些信息对于制定保护策略和评估环境变化对生物多样性的影响至关重要。此外，在临床环境中，患者的干重，特别是那些接受透析治疗的患者，是一个重要的参数。它指的是在去除多余液体后患者的体重，帮助医疗提供者确定在治疗过程中应去除的适当液体量。维持最佳的干重可以显著改善患者的结果和生活质量。总之，术语干重在各个学科中具有重要意义。无论是在农业、生物学、环境科学还是医疗保健中，理解和准确测量干重使专业人员能够做出更明智的决策。它提供了关于生长模式、生态系统健康和患者护理的见解，最终促进了研究和实际应用的进步。随着我们继续探索和研究我们的世界，干重的概念将始终是科学探究和理解的基本方面。