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1·Methyl red test prove escherichia coli and bacillus subtilis and ordinary proteus positive;

甲基红试验证明大肠杆菌、枯草芽孢杆菌和普通变形杆菌呈阳性；

2·Then sensitive of two optics probes, methyl orange and methyl red as polar indicators of emulsion microenvironment is tested.

其次，本文还考察两种光学探针甲基橙和甲基红作为乳化液微环境极性指示剂的灵敏性。

3·The method is based on the catalytic oxidation of methyl red by potassium periodate in the presence of nitrilo triacetic acid as an activator.

方法基于存在氨三乙酸为活化剂，以高碘酸钾催化氧化甲基红。

4·Another example is methyl orange, which is red in acids and yellow in alkali solutions.

另一个例子是甲基橙，它在酸性溶液中为红色而在碱性溶液中为黄色。

5·And it was used as adsorbent to decolor wastewater containing direct red 4b and methyl orange. The factors affecting adsorption were studied.

以膨胀石墨为吸附剂，对直接大红4b、甲基橙染料废水进行了吸附脱色研究，探讨了影响吸附的因素。

6·In healthy cells a compound called a methyl group is tagged to DNA where it ACTS as a red light, preventing certain genes from producing proteins.

在正常细胞中，甲基作为DNA标记的一个“红灯”，阻止某些基因合成蛋白质。

7·The product, PAC, was applied to the treatment of dyeing wastewater. The effect of PAC on removing Yellow Clayton, Methyl Orange, Food Yellow and Reactive Red was investigated.

该产品应用于染料废水的处理，考察了其对不同浓度的达旦黄、食品黄、甲基橙和活性红色度的去除效果。

8·The fruity type flue-cured tobacco essence mainly consists of trans-2-hexenal, hexenyl formate, methyl acetate, red date tincture, hawthorn tincture and the like.

该果香型烤烟香精主要由反-2-己烯醛、甲酸叶醇酯、乙酸薄荷酯、枣子酊、 山楂酊等组分组成。