dry weight

简明释义

干重

英英释义

例句

1.The dry weight of the fish was recorded after it was cleaned and filleted.

鱼在清理和去骨后记录了其干重。

2.In agriculture, knowing the dry weight of crops helps in assessing their yield.

在农业中，了解作物的干重有助于评估其产量。

3.The scientist measured the dry weight of the soil to determine its nutrient content.

科学家测量了土壤的干重以确定其营养成分。

4.The laboratory reported that the dry weight of the algae sample was significantly higher than expected.

实验室报告称，藻类样本的干重远高于预期。

5.To calculate the dry weight of the biomass, we need to remove all moisture content.

要计算生物质的干重，我们需要去除所有水分。

作文

Understanding the concept of dry weight is crucial in various fields, particularly in biology, agriculture, and environmental science. The term dry weight refers to the mass of an organism or a sample after all the water has been removed. This measurement is essential because it provides a more accurate representation of the actual biomass without the influence of water content, which can vary significantly depending on environmental conditions and the state of the organism. For instance, when measuring plant growth, researchers often use dry weight to assess the true increase in biomass over time, as water content can fluctuate due to factors such as rainfall or irrigation. In agriculture, farmers and agronomists rely on dry weight measurements to evaluate crop yields and soil health. By comparing the dry weight of harvested crops to their wet weight, they can determine the efficiency of water usage and nutrient uptake. This information is vital for optimizing irrigation practices and ensuring sustainable farming methods. Furthermore, soil scientists often analyze the dry weight of soil samples to understand its composition and fertility. A higher dry weight indicates a richer concentration of organic matter, which is essential for supporting plant life.Environmental scientists also utilize dry weight in studies of ecosystems and biodiversity. For example, when assessing the health of aquatic environments, researchers may measure the dry weight of algae or other microorganisms to gauge productivity and nutrient cycling within the ecosystem. This data can help identify changes in water quality and the impacts of pollution or climate change on aquatic habitats.Moreover, the concept of dry weight extends beyond the natural sciences into food science and nutrition. In food processing, understanding the dry weight of ingredients is critical for maintaining consistency in product formulation. For example, when producing dried fruits or vegetables, manufacturers must account for the dry weight to ensure that the final product meets quality standards and consumer expectations. Additionally, nutritionists often consider the dry weight of food items when analyzing their caloric density and nutritional value, as this can vary significantly between fresh and dehydrated products.In conclusion, the term dry weight plays a significant role in numerous scientific disciplines. By providing a standardized measurement that eliminates the variability of water content, dry weight allows researchers, farmers, and food scientists to make informed decisions based on accurate data. Whether it is in assessing plant growth, evaluating soil health, or ensuring the quality of food products, understanding dry weight is essential for advancing knowledge and promoting sustainability in our practices and policies. As we continue to face challenges related to climate change and resource management, the importance of dry weight will only grow, highlighting the need for ongoing research and education in this area.

理解干重的概念在生物学、农业和环境科学等多个领域至关重要。术语干重指的是去除所有水分后的生物体或样本的质量。这一测量非常重要，因为它提供了更准确的生物量表示，而不受水分含量的影响，水分含量因环境条件和生物体状态而异。例如，在测量植物生长时，研究人员通常使用干重来评估随着时间推移的真实生物量增加，因为水分含量可能因降雨或灌溉等因素而波动。在农业中，农民和农艺师依赖干重测量来评估作物产量和土壤健康。通过将收获作物的干重与其湿重进行比较，他们可以确定水分使用效率和养分吸收情况。这些信息对于优化灌溉实践和确保可持续农业方法至关重要。此外，土壤科学家经常分析土壤样本的干重以了解其成分和肥力。较高的干重表明有机物质的浓度更丰富，这对支持植物生长至关重要。环境科学家也在生态系统和生物多样性的研究中利用干重。例如，在评估水生环境的健康状况时，研究人员可能会测量藻类或其他微生物的干重以评估生态系统内的生产力和营养循环。这些数据可以帮助识别水质变化以及污染或气候变化对水生栖息地的影响。此外，干重的概念不仅限于自然科学，还延伸到食品科学和营养学。在食品加工中，了解成分的干重对于保持产品配方的一致性至关重要。例如，在生产干果或蔬菜时，制造商必须考虑干重以确保最终产品符合质量标准和消费者期望。此外，营养学家在分析食品项目的热量密度和营养价值时，通常会考虑干重，因为这在新鲜和脱水产品之间可能有显著差异。总之，术语干重在众多科学学科中发挥着重要作用。通过提供一种消除水分含量变异的标准化测量，干重使研究人员、农民和食品科学家能够基于准确的数据做出明智的决策。无论是在评估植物生长、评估土壤健康还是确保食品产品质量方面，理解干重对于推动知识进步和促进我们实践和政策的可持续性至关重要。随着我们继续面临与气候变化和资源管理相关的挑战，干重的重要性只会增加，这突显了在这一领域持续研究和教育的必要性。