percentage by weight

简明释义

重量百分率

英英释义

例句

1.When mixing metals, knowing the percentage by weight 按重量计算的百分比 of each alloy is crucial for achieving the desired properties.

在混合金属时，了解每种合金的percentage by weight 按重量计算的百分比 对于获得所需的特性至关重要。

2.For accurate results, the percentage by weight 按重量计算的百分比 should be measured using a precise scale.

为了获得准确的结果，percentage by weight 按重量计算的百分比 应使用精确的秤进行测量。

3.The label on the product indicates that the active ingredient is present at a percentage by weight 按重量计算的百分比 of 5%.

产品标签上显示活性成分的含量为5%的percentage by weight 按重量计算的百分比。

4.In the lab, we need to calculate the percentage by weight 按重量计算的百分比 of each chemical in the mixture.

在实验室，我们需要计算混合物中每种化学品的percentage by weight 按重量计算的百分比。

5.The recipe requires a percentage by weight 按重量计算的百分比 of flour to ensure the right texture.

这个食谱要求面粉的percentage by weight 按重量计算的百分比，以确保正确的质地。

作文

Understanding the concept of percentage by weight is crucial in various fields, including chemistry, cooking, and manufacturing. The term refers to the proportion of a substance in a mixture, expressed as a percentage of the total weight. For example, if you have a solution that weighs 100 grams and contains 20 grams of salt, the percentage by weight of salt in that solution is 20%. This simple calculation is essential for ensuring that mixtures are created with the desired properties and concentrations.In the culinary world, understanding percentage by weight helps chefs create recipes that yield consistent results. When baking bread, for instance, the ratio of flour to water significantly affects the texture and flavor of the final product. If a recipe calls for 500 grams of flour and 300 grams of water, the percentage by weight of water in relation to flour is 60%. This knowledge allows bakers to adjust their recipes based on the specific characteristics of their ingredients, such as humidity and flour type.In manufacturing, percentage by weight is often used to specify the composition of materials. For instance, when producing alloys or composite materials, knowing the exact percentage by weight of each component is vital to achieving the desired mechanical properties. Engineers must ensure that the materials they use meet specific standards, which often require precise percentage by weight calculations. This is particularly important in industries like aerospace and automotive, where safety and performance are paramount.Moreover, in environmental science, the percentage by weight of pollutants in a sample can help assess the quality of air, water, or soil. For example, if a water sample weighs 1,000 grams and contains 50 grams of contaminants, the percentage by weight of those contaminants is 5%. This information is critical for regulatory agencies to determine whether a particular body of water is safe for recreational use or if it requires remediation efforts.In conclusion, the percentage by weight is a fundamental concept that applies across various disciplines. Whether in cooking, manufacturing, or environmental assessment, understanding how to calculate and interpret percentage by weight is essential for achieving accurate and reliable results. By mastering this concept, individuals can ensure that they are making informed decisions based on the precise composition of materials and solutions they are working with. As we continue to explore the applications of percentage by weight, it becomes evident that this simple mathematical principle holds significant importance in our everyday lives and professional practices.

理解百分比重量的概念在化学、烹饪和制造等多个领域都至关重要。这个术语指的是混合物中某种物质的比例，以总重量的百分比表示。例如，如果你有一个重量为100克的溶液，其中含有20克盐，那么该溶液中盐的百分比重量为20%。这个简单的计算对于确保混合物具有所需的特性和浓度至关重要。在烹饪领域，理解百分比重量帮助厨师制作出一致的食谱。当烘焙面包时，面粉与水的比例显著影响最终产品的质地和风味。如果一个食谱要求500克面粉和300克水，那么水相对于面粉的百分比重量为60%。这一知识使得烘焙师能够根据原料的具体特性（如湿度和面粉类型）调整他们的食谱。在制造业中，百分比重量通常用于指定材料的成分。例如，在生产合金或复合材料时，了解每种成分的确切百分比重量对实现所需的机械性能至关重要。工程师必须确保他们使用的材料符合特定标准，这些标准通常需要精确的百分比重量计算。这在航空航天和汽车等行业尤为重要，因为安全性和性能至关重要。此外，在环境科学中，样本中污染物的百分比重量可以帮助评估空气、水或土壤的质量。例如，如果一个水样重1,000克，含有50克污染物，则这些污染物的百分比重量为5%。这一信息对于监管机构确定某个水体是否适合休闲使用或是否需要修复工作至关重要。总之，百分比重量是一个基本概念，适用于多个学科。无论是在烹饪、制造还是环境评估中，理解如何计算和解释百分比重量对获得准确和可靠的结果至关重要。通过掌握这一概念，个人可以确保他们在处理的材料和溶液的精确成分上做出明智的决策。当我们继续探索百分比重量的应用时，显然这个简单的数学原理在我们的日常生活和专业实践中具有重要意义。