by weight of water

简明释义

依水的重量计;

英英释义

例句

1.The solution was prepared with a concentration of 5% salt by weight of water.

该溶液的浓度为5%的盐按水的重量计算。

2.To achieve the desired viscosity, we need to mix the polymer by weight of water.

为了达到所需的粘度，我们需要按水的重量计算混合聚合物按水的重量计算。

3.The fertilizer should be diluted by weight of water for optimal plant growth.

肥料应按水的重量计算稀释，以促进植物的最佳生长。

4.When mixing chemicals, always calculate the ratios by weight of water for safety.

在混合化学品时，总是要按水的重量计算比例以确保安全。

5.In this recipe, the sugar is added by weight of water to ensure proper sweetness.

在这个食谱中，糖是按水的重量计算加入的，以确保适当的甜度。

作文

Water is an essential component of life on Earth, and its significance extends beyond mere hydration. One of the most fascinating aspects of water is its unique property of density, which can be measured by weight of water. This concept is crucial in various scientific fields, including chemistry, biology, and environmental science. Understanding how substances interact with water based on their weight can lead to significant insights into ecological systems and industrial processes.When we talk about measuring substances by weight of water, we are essentially discussing how much a material weighs in comparison to the weight of an equal volume of water. This relationship is often expressed in terms of specific gravity, which is the ratio of the density of a substance to the density of water. For instance, if a substance has a specific gravity greater than one, it will sink in water, while a substance with a specific gravity less than one will float. This principle is not only fundamental in physics but also plays a critical role in understanding buoyancy and stability in aquatic environments.In practical applications, knowing how to measure materials by weight of water is vital in industries such as construction, where the weight of water can influence the structural integrity of buildings and bridges. Engineers must account for the weight of water when designing foundations, especially in areas prone to flooding or heavy rainfall. By understanding the weight of water, they can ensure that structures can withstand the forces exerted upon them.Moreover, in the field of agriculture, farmers often assess soil moisture content by weight of water to determine irrigation needs. The weight of water in the soil directly affects plant growth and crop yields. By measuring the water weight in the soil, farmers can optimize their irrigation practices, ensuring that crops receive the right amount of water without wastage. This not only conserves water resources but also enhances food production efficiency.Environmental scientists also utilize the concept of measuring by weight of water when studying aquatic ecosystems. The weight of water influences the distribution of nutrients and oxygen in water bodies, which are critical for the survival of aquatic life. By understanding how different factors affect water density, scientists can better predict the health of ecosystems and the impact of pollution or climate change on aquatic habitats.In conclusion, the phrase by weight of water encapsulates a vital measurement that extends across various disciplines. Whether in engineering, agriculture, or environmental science, understanding the implications of water's weight can lead to better practices and innovations. As we continue to explore the complexities of our world, recognizing the importance of water and its properties will remain paramount for sustainable development and ecological balance.

水是地球生命的重要组成部分，其重要性不仅仅限于补充水分。水的一个最迷人的方面是其独特的密度特性，这可以通过水的重量来测量。这个概念在化学、生物学和环境科学等多个科学领域至关重要。理解物质如何根据其重量与水相互作用，可以为生态系统和工业过程提供重要的见解。当我们谈论通过水的重量来测量物质时，我们实际上是在讨论材料与等体积水的重量的比较。这种关系通常以比重的形式表示，比重是物质密度与水密度的比率。例如，如果某种物质的比重大于1，它将在水中沉没，而比重小于1的物质则会浮起。这个原理不仅在物理学中是基础的，同时在理解水生环境中的浮力和稳定性方面也起着关键作用。在实际应用中，了解如何通过水的重量来测量材料在建筑等行业至关重要，因为水的重量会影响建筑物和桥梁的结构完整性。工程师在设计基础时必须考虑水的重量，特别是在易发生洪水或强降雨的地区。通过了解水的重量，他们可以确保结构能够承受施加在其上的力量。此外，在农业领域，农民通常通过水的重量评估土壤水分含量，以确定灌溉需求。土壤中的水重量直接影响植物生长和作物产量。通过测量土壤中的水重量，农民可以优化灌溉实践，确保作物获得适量的水分而不浪费。这不仅节约了水资源，还提高了粮食生产效率。环境科学家在研究水生生态系统时也利用通过水的重量来测量的概念。水的重量影响水体中营养物质和氧气的分布，这对水生生命的生存至关重要。通过理解不同因素如何影响水的密度，科学家可以更好地预测生态系统的健康状况以及污染或气候变化对水生栖息地的影响。总之，短语水的重量概括了一种跨越多个学科的重要测量。无论是在工程、农业还是环境科学中，理解水的重量的影响都能带来更好的实践和创新。随着我们继续探索世界的复杂性，认识到水及其特性的的重要性将始终是可持续发展和生态平衡的关键。