extraction titration

例句：

1. 1. The extraction process involves removing the oil from the plant material.
   提取过程涉及从植物材料中去除油。
2. 2.The company's main product is a type of extract that contains vitamins and minerals.
   该公司的主要产品是一种含有维生素和矿物质的提取物。
3. 3. The researcher extracted DNA samples from various sources to analyze their genetic makeup.
   研究者从各种来源提取了DNA样本，以分析其遗传构成。
4. 1. The chemical engineer conducted a titration experiment to determine the concentration of the solution.
   化学工程师进行了滴定实验，以确定溶液的浓度。
5. 2. The doctor prescribed an antibiotic for the patient's infection after performing a titration test.
   医生在进行了滴定测试后，为患者开出了抗生素。
6. 3. The chemist performed a titration to ensure the accuracy of the measurements.
   化学家进行了滴定，以确保测量的准确性。