dry weight

简明释义

干重

英英释义

例句

1.For accurate results, the dry weight of the biomass was calculated after removing moisture.

为了获得准确的结果，在去除水分后计算了生物量的干重。

2.The dry weight of the plant material was essential for calculating its growth rate.

植物材料的干重对于计算其生长速率至关重要。

3.The dry weight of the fish was recorded before processing for quality assessment.

在加工前，记录了鱼的干重以进行质量评估。

4.Researchers often use dry weight to standardize measurements in ecological studies.

研究人员常常使用干重来标准化生态研究中的测量。

5.The laboratory measured the dry weight of the soil to determine its nutrient content.

实验室测量了土壤的干重以确定其营养成分。

作文

Understanding the concept of dry weight is crucial in various scientific fields, particularly in biology and environmental science. The term dry weight refers to the weight of a sample after all the moisture has been removed. This measurement is essential for accurately assessing the mass of organic materials, such as plant biomass, without the interference of water content. In many experiments, especially those involving plants, scientists often need to compare the growth and health of different species or varieties under varying conditions. By using dry weight, researchers can obtain a clearer picture of the actual biomass that is produced, allowing for more precise comparisons.For instance, when studying the effects of fertilizers on plant growth, scientists may measure the dry weight of the plants at the end of the experiment. This process involves harvesting the plants, drying them in an oven, and then weighing them to determine their dry weight. The results can reveal how much biomass was generated in response to the fertilizer application, providing insight into its effectiveness.Moreover, the concept of dry weight is not limited to terrestrial plants. In aquatic environments, researchers often analyze the dry weight of algae or other aquatic organisms to understand their contributions to the ecosystem. By measuring the dry weight, scientists can assess the productivity of these organisms and their role in food webs, nutrient cycling, and overall ecosystem health.In addition to biological studies, dry weight is also significant in environmental monitoring. For example, when assessing soil quality, scientists may take samples and determine their dry weight to evaluate organic matter content. Higher dry weight values typically indicate healthier soils with more nutrients available for plant growth. Conversely, low dry weight values can signal degradation or loss of fertility, prompting further investigation into soil management practices.The importance of dry weight extends to industries such as agriculture and food production as well. Farmers and agronomists rely on dry weight measurements to make informed decisions about crop yields and harvest times. By understanding the dry weight of their crops, they can estimate the amount of product they will harvest, which is vital for planning and economic forecasting.Furthermore, in the field of nutrition, the dry weight of food items can provide valuable information regarding their nutritional density. Foods with high dry weight relative to their volume often contain more nutrients per serving, making them more beneficial for health-conscious consumers.In conclusion, the concept of dry weight plays a fundamental role in various disciplines, from ecological studies to agricultural practices. Understanding how to measure and interpret dry weight allows researchers and practitioners to make better-informed decisions that can lead to improved outcomes in both science and industry. As we continue to face challenges related to food security, environmental sustainability, and ecosystem management, the precise measurement of dry weight will remain an indispensable tool in our efforts to understand and improve the natural world.

理解“干重”这一概念在多个科学领域中至关重要，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样品重量。这个测量对于准确评估有机材料的质量（如植物生物量）是必不可少的，因为水分含量会对结果产生干扰。在许多实验中，特别是涉及植物的实验，科学家们通常需要比较不同物种或品种在不同条件下的生长和健康状况。通过使用“干重”，研究人员可以更清晰地了解实际生产的生物量，从而进行更精确的比较。例如，在研究肥料对植物生长影响时，科学家可能会在实验结束时测量植物的“干重”。这个过程包括收获植物，将其放入烘箱中干燥，然后称重以确定其“干重”。结果可以揭示肥料施用后生成了多少生物量，从而提供其有效性的洞察。此外，“干重”的概念并不限于陆生植物。在水生环境中，研究人员经常分析藻类或其他水生生物的“干重”，以了解它们对生态系统的贡献。通过测量“干重”，科学家可以评估这些生物的生产力及其在食物网、养分循环和整体生态系统健康中的角色。除了生物学研究外，“干重”在环境监测中也具有重要意义。例如，在评估土壤质量时，科学家可能会采集样本并确定其“干重”，以评估有机物含量。较高的“干重”值通常表明土壤更健康，营养物质更丰富，有利于植物生长。相反，低“干重”值可能表明土壤退化或肥力下降，促使进一步调查土壤管理实践。“干重”的重要性还延伸到农业和食品生产等行业。农民和农业专家依赖“干重”测量来做出关于作物产量和收获时间的明智决策。通过了解作物的“干重”，他们可以估算将要收获的产品数量，这对规划和经济预测至关重要。此外，在营养学领域，食品的“干重”可以提供有关其营养密度的宝贵信息。与其体积相比，具有高“干重”的食物通常每份含有更多营养成分，使其对注重健康的消费者更加有益。总之，“干重”的概念在多个学科中发挥着基础性作用，从生态研究到农业实践。理解如何测量和解释“干重”使研究人员和从业者能够做出更明智的决策，从而在科学和工业中实现更好的成果。随着我们继续面临与食品安全、环境可持续性和生态系统管理相关的挑战，精确测量“干重”将仍然是我们理解和改善自然世界的重要工具。