positivecontrol

positive control

形容词： - 积极的控制；肯定的控制 名词： - 积极对照；肯定对照

形容词含义：

- 积极的控制：在实验中，使用一种已知会产生预期结果的样本或处理作为对照，以确保实验结果的准确性。 - 肯定的控制：在实验中，使用一种已知会产生积极效果的样本或处理作为对照，以验证其他样本或处理的效果。

名词含义：

- 积极对照：在实验中使用的一种已知会产生预期结果的样本或处理，用于比较和验证其他样本或处理的效果。 - 肯定对照：在实验中使用的一种已知会产生积极效果的样本或处理，用于验证其他样本或处理的效果。

词语辨析：

- positive control vs negative control（正对照 vs 负对照）：正对照用于验证预期结果的产生，而负对照用于验证预期结果不应该产生。 - positive control vs placebo（正对照 vs 安慰剂）：正对照用于验证预期效果的产生，而安慰剂是一种无治疗作用的仿制品。

词汇扩充：

- positive control experiment：积极对照实验 - positive control group：积极对照组 - positive control test：积极对照测试

近义词：

- comparative control - reference control - standard control

反义词：

- negative control

柯林斯词典解释：

positive control (noun) A positive control is a substance or organism known to react positively, or produce an expected response, in a given test. positive control (adjective) Positive control refers to the use of a substance or organism known to produce a specific response in a given test.

牛津词典解释：

positive control (noun) A positive control is a part of a scientific experiment that is used to check that the experiment is working correctly. positive control (adjective) Positive control refers to the use of a substance or procedure known to produce a specific result, which is compared with the results obtained by other means.

用法：

- The experiment included a positive control group to ensure accurate results. （这个实验包含了一个积极对照组，以确保准确的结果。） - The positive control was used to validate the effectiveness of the new drug. （积极对照被用来验证新药物的有效性。）

例句：

1. The positive control group showed the expected response to the treatment. （积极对照组对治疗显示了预期的反应。）
2. In the experiment, the positive control was used to compare the effects of different temperatures on enzyme activity. （在实验中，使用积极对照来比较不同温度对酶活性的影响。）
3. Using a known positive control, we can ensure the accuracy of our test results. （使用已知的积极对照，我们可以确保测试结果的准确性。）
4. The positive control experiment confirmed the reliability of the testing method. （积极对照实验证实了测试方法的可靠性。）
5. For comparison, a positive control and a negative control were included in the study. （为了进行比较，研究中包括了一个积极对照和一个负对照。）
6. It is important to have a positive control in the experiment to validate the expected outcome. （在实验中有一个积极对照来验证预期结果是很重要的。）
7. The positive control group received the standard treatment, while the experimental group received the new drug. （积极对照组接受标准治疗，而实验组接受新药物。）
8. By comparing the results with the positive control, we can assess the effectiveness of the treatment. （通过将结果与积极对照进行比较，我们可以评估治疗的有效性。）
9. Without a positive control, it would be difficult to determine if the observed effect is due to the treatment or other factors. （没有积极对照，很难确定观察到的效果是由于治疗还是其他因素引起的。）
10. The positive control test verified the accuracy of the experimental procedure. （积极对照测试验证了实验程序的准确性。）
11. Using a positive control ensures that the experimental conditions are suitable for obtaining reliable results. （使用积极对照确保实验条件适合获得可靠的结果。）
12. The positive control group exhibited a significant improvement compared to the control group. （与对照组相比，积极对照组显示出显著的改善。）
13. In order to validate the assay, a positive control with a known response was included. （为了验证检测方法，包括一个已知反应的积极对照。）
14. The use of a positive control helps to establish a baseline for comparison in the experiment. （使用积极对照有助于在实验中建立比较的基准。）
15. Without a positive control, it would be challenging to interpret the experimental results accurately. （没有积极对照，准确解释实验结果将是具有挑战性的。）
16. The positive control was used to verify the sensitivity of the test method. （积极对照被用来验证测试方法的敏感性。）
17. The positive control group received the standard dose of the medication. （积极对照组接受标准剂量的药物。）
18. By comparing the experimental group with the positive control, we can determine the effectiveness of the new treatment. （通过将实验组与积极对照进行比较，我们可以确定新治疗的有效性。）
19. The positive control was used to ensure that the assay was functioning properly. （积极对照被用来确保测定方法正常运作。）
20. The results of the positive control test were consistent with the expected outcome. （积极对照测试的结果与预期结果一致。）