dry weight

简明释义

干重

英英释义

例句

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

实验室测量了土壤样本的干重以确定其养分含量。

2.The dry weight of the plant was significantly higher after the fertilizer was applied.

施肥后植物的干重显著增加。

3.We need to calculate the dry weight of the biomass to evaluate the efficiency of the process.

我们需要计算生物质的干重以评估该过程的效率。

4.In nutrition studies, researchers often report the dry weight of food items to standardize measurements.

在营养研究中，研究人员通常报告食品的干重以标准化测量。

5.The dry weight of the fish fillet is important for determining its market price.

鱼片的干重对确定其市场价格很重要。

作文

In the field of science and nutrition, the term dry weight refers to the mass of a sample after all water has been removed. This measurement is crucial for various applications, particularly in agriculture, biology, and environmental studies. Understanding dry weight can help researchers and farmers assess the nutrient content of plants, determine the efficiency of agricultural practices, and evaluate the health of ecosystems.For instance, when scientists study plant growth, they often measure the dry weight of the plants to obtain accurate data on their biomass. Biomass is a key indicator of a plant's health and productivity. By removing water, researchers can focus solely on the organic matter and nutrients contained within the plant. This allows them to make more informed decisions regarding fertilization and irrigation strategies, ultimately leading to improved crop yields.Additionally, the concept of dry weight is also significant in the field of microbiology. When studying microbial populations in soil or water, scientists often determine the dry weight of microorganisms to understand their biomass and activity levels. This information is vital for assessing the health of ecosystems, as microorganisms play a crucial role in nutrient cycling and organic matter decomposition.In environmental studies, measuring the dry weight of sediments can provide insights into pollution levels and sediment quality. For example, by analyzing the dry weight of sediments collected from a river, researchers can assess the impact of industrial runoff and other pollutants on aquatic ecosystems. This data can inform regulations and conservation efforts aimed at protecting water quality and aquatic life.Moreover, the dry weight measurement is essential in food science, particularly when determining the nutritional value of various food products. By knowing the dry weight of a food item, nutritionists can calculate the concentration of essential nutrients, such as proteins, carbohydrates, and fats. This information is critical for developing dietary guidelines and ensuring that individuals receive adequate nutrition.In conclusion, the concept of dry weight is a fundamental aspect of various scientific disciplines. It provides valuable insights into plant health, microbial activity, environmental quality, and nutritional content. By understanding and utilizing dry weight measurements, researchers and practitioners can make informed decisions that enhance agricultural productivity, protect ecosystems, and promote public health. As we continue to face challenges related to food security, environmental sustainability, and health, the importance of accurately measuring dry weight will only grow, highlighting its relevance in our ever-evolving world.

在科学和营养领域，术语干重指的是样品去除所有水分后的质量。这个测量对于农业、生物学和环境研究等多个应用至关重要。理解干重可以帮助研究人员和农民评估植物的营养成分，确定农业实践的效率，以及评估生态系统的健康状况。例如，当科学家研究植物生长时，他们通常会测量植物的干重以获得其生物量的准确数据。生物量是植物健康和生产力的关键指标。通过去除水分，研究人员可以专注于植物中所含的有机物质和营养成分。这使他们能够就施肥和灌溉策略做出更明智的决策，从而最终提高作物产量。此外，干重的概念在微生物学领域也具有重要意义。在研究土壤或水体中的微生物群落时，科学家通常会确定微生物的干重以了解它们的生物量和活性水平。这些信息对于评估生态系统的健康至关重要，因为微生物在养分循环和有机物分解中发挥着关键作用。在环境研究中，测量沉积物的干重可以提供有关污染水平和沉积物质量的见解。例如，通过分析从河流中收集的沉积物的干重，研究人员可以评估工业径流和其他污染物对水生生态系统的影响。这些数据可以为保护水质和水生生命的法规和保护工作提供依据。此外，干重测量在食品科学中也至关重要，特别是在确定各种食品产品的营养价值时。通过了解食品的干重，营养学家可以计算出必需营养素（如蛋白质、碳水化合物和脂肪）的浓度。这些信息对于制定饮食指南和确保个人获得足够的营养至关重要。总之，干重的概念是各种科学学科的基础方面。它提供了关于植物健康、微生物活动、环境质量和营养成分的宝贵见解。通过理解和利用干重测量，研究人员和从业者可以做出明智的决策，从而提高农业生产力、保护生态系统和促进公共健康。随着我们继续面临与粮食安全、环境可持续性和健康相关的挑战，准确测量干重的重要性只会增加，这突显了它在我们不断发展的世界中的相关性。