weighing bottle

简明释义

称瓶

英英释义

例句

1.After using the weighing bottle, make sure to clean it thoroughly to avoid contamination.

使用完称量瓶后，请务必彻底清洁以避免污染。

2.To minimize errors, always use a clean weighing bottle for each measurement.

为了最小化误差，每次测量时都应使用干净的称量瓶。

3.Please place the chemical sample in the weighing bottle to get an accurate measurement.

请将化学样品放入称量瓶以获得准确的测量值。

4.You need to tare the scale before placing the weighing bottle on it.

在将称量瓶放在秤上之前，您需要去皮。

5.The lab technician filled the weighing bottle with the powdered substance for the experiment.

实验室技术员将粉末状物质装入称量瓶中进行实验。

作文

In the world of science and chemistry, precision is paramount. One of the essential tools used in laboratories to ensure accurate measurements is the weighing bottle. A weighing bottle (称量瓶) is a small container designed specifically for weighing solid or powdered substances. These bottles are typically made of glass or plastic and come with a lid to protect the contents from contamination and moisture. The use of a weighing bottle is crucial for chemists and researchers who need to obtain precise measurements for their experiments.The design of a weighing bottle allows for easy handling and minimal loss of material during the weighing process. When using a weighing bottle, one can first weigh the empty bottle on a balance scale to obtain its tare weight. Once the tare weight is known, the substance to be measured can be added to the bottle, and the total weight can be recorded. By subtracting the tare weight from the total weight, the exact weight of the substance can be determined. This method is not only efficient but also minimizes the risk of spillage and contamination.Furthermore, weighing bottles are often used in conjunction with analytical balances, which provide even more accurate measurements. Analytical balances are sensitive instruments that can measure small masses with high precision. When combined with a weighing bottle, they allow scientists to conduct experiments that require meticulous attention to detail. For instance, in pharmaceutical research, the correct dosage of a drug must be measured accurately, and a weighing bottle plays a vital role in achieving this.In addition to their practical use in laboratories, weighing bottles also serve an educational purpose. Students studying chemistry often use these bottles in their experiments to learn about the importance of accurate measurement. Understanding how to properly use a weighing bottle is a fundamental skill that every aspiring chemist should master. It teaches them the principles of measurement, the significance of cleanliness in scientific work, and the necessity of following protocols to avoid errors.Moreover, weighing bottles are available in various sizes and shapes, catering to different needs in a laboratory setting. Some are designed for specific types of substances, while others are more general-purpose. The choice of a weighing bottle can depend on the nature of the experiment and the amount of substance being measured. For example, larger bottles may be used for bulk materials, while smaller ones might be suitable for fine powders or chemicals that require precise handling.In conclusion, the weighing bottle (称量瓶) is an indispensable tool in the field of science, particularly in chemistry. Its ability to facilitate accurate measurements makes it essential for both professional researchers and students alike. By understanding how to effectively use a weighing bottle, individuals can enhance their experimental skills and contribute to the advancement of scientific knowledge. As we continue to explore the intricacies of the natural world, the weighing bottle will remain a fundamental instrument in our quest for precision and accuracy.

在科学和化学的世界中，精确性至关重要。在实验室中，用于确保准确测量的基本工具之一是称量瓶。称量瓶是一种专门设计用于称量固体或粉状物质的小容器。这些瓶子通常由玻璃或塑料制成，并带有盖子，以保护内容物免受污染和潮湿的影响。使用称量瓶对于需要获得实验精确测量的化学家和研究人员来说至关重要。称量瓶的设计便于操作，并且在称量过程中能最大程度地减少物料损失。在使用称量瓶时，可以先在天平上称量空瓶以获得其净重。一旦知道了净重，就可以将要测量的物质添加到瓶中，并记录总重量。通过从总重量中减去净重，可以确定物质的确切重量。这种方法不仅高效，而且最小化了溢出和污染的风险。此外，称量瓶通常与分析天平一起使用，后者提供更精确的测量。分析天平是一种敏感仪器，可以以高精度测量小质量。当与称量瓶结合使用时，它们使科学家能够进行需要细致关注细节的实验。例如，在制药研究中，药物的正确剂量必须被准确测量，而称量瓶在实现这一目标中发挥着至关重要的作用。除了在实验室中的实际用途外，称量瓶还具有教育意义。学习化学的学生常常在实验中使用这些瓶子，以了解准确测量的重要性。理解如何正确使用称量瓶是每位有抱负的化学家应该掌握的基本技能。它教会他们测量的原则、科学工作中清洁的重要性，以及遵循协议以避免错误的必要性。此外，称量瓶有各种大小和形状，以满足实验室环境中的不同需求。有些瓶子设计用于特定类型的物质，而其他瓶子则更通用。选择称量瓶可能取决于实验的性质和待测物质的数量。例如，较大的瓶子可用于大宗材料，而较小的瓶子可能适合细粉或需要精确处理的化学品。总之，称量瓶（称量瓶）是科学领域中不可或缺的工具，特别是在化学中。它促进准确测量的能力使其对专业研究人员和学生都至关重要。通过理解如何有效使用称量瓶，个人可以提高他们的实验技能，并为科学知识的进步做出贡献。随着我们继续探索自然世界的复杂性，称量瓶将始终是我们追求精确性和准确性的基本工具。