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- Improvement of analysis method of dilution ratio on BOD. 生化需氧量测试方法稀释比的改良
- A simple and rapid method of estimation of the dilution ratio in BOD 5 determination based on the CODcr values is proposed in this paper. 在生化需氧量 (BOD5)的测定中 ,稀释倍数的估计是否适当至关重要。
- The effect of microemulsion, corrosion inhibitor, metal complex, dye and dilution ratio on properties of coatings was studied. 探讨了微乳液、腐蚀抑制剂、金属络合物、染料及稀释倍数对涂膜性能的影响。
- The ratio of students to teachers is 35:1. 学生和老师的比率是三十五比一。
- Optimum dilution ratios will depend on the actual operation, material, tooling, speeds and feeds, as well as surface finish requirement. 实际配比取决于实际工艺、材料、加工刀具、速度以及表面光洁度要求。
- The ratio of schoolboys to schoolgirls is 2 to 1. 男学生和女学生的比例是2比1。
- Men outnumber women here in the ratio of three to one. 此地男子数量以三比一超过女子。
- The first or last term of a ratio or a series. 首项，末项比率或数列中第一个或最后一个项
- Diluting wastes needs a certain amount of water. 冲淡废物需要大量的水。
- diluting ratio 稀释比
- After-tax profit margin is the ratio of net income to net sales. 税後利润率指净收入与净销售之比。
- The ratio of men to women was two to one. 男女的比例是二比一。
- advance in Research of Dilution Ratio of BOD_5 Determination 生化需氧量测定的稀释倍数研究进展
- The interval between any two frequencies having a ratio of2 to1. 倍频程频率比率为2比1的两个频率的间隔
- A beverage, such as soda water or ginger ale, used in diluting alcoholic drinks. 调酒饮料一种饮料，如苏打水或姜汁啤酒，用以冲淡酒精饮料
- The strike is the ultima ratio of Trade Unionism. 罢工是工联主义的最后手段。
- The cross ratio he called anharmonic ratio. 他把交比叫作非调和比。
- The ratio between the two sides is one to four. 双方人数对比是一对四。
- A beverage,such as soda water or ginger ale,used in diluting alcoholic drinks. 调酒饮料一种饮料，如苏打水或姜汁啤酒，用以冲淡酒精饮料。
- Keep windows open when diluting or using bleach to ensure good ventilation. 调校或使用漂白水时要开窗,使空气流通。
