| 1. | Determination of hydrolytic total acidity in forest soil
森林土壤水解性总酸度的测定 |
| 2. | Hydrochloric acid for industrial use - part 1 : determination of total acidity - section 1 : titrimetric method
工业用盐酸.第1部分:总酸度的测定.第1节:滴定分析法 |
| 3. | Hydrochloric acid for industrial use - part 1 : determination of total acidity - section 2 : potentiometric method
工业用盐酸.第1部分:总酸度的测定.第2节:电位测量法 |
| 4. | Chemical analysis of maleic and phtahlic anhydrides . estimate of concentration by determination of total acidity with phthenolphthalein
马来酐和酞酐的化学分析.用测定酚酞总酸度法评估浓度 |
| 5. | The vinegars could be identified according to their brands , kinds , and the total acidity of the vinegars indicated by the principal component analysis
主元分析表明不同的食醋在品牌、种类、酸度等方面具有一定的相似性。 |
| 6. | Sulphuric acid and oleum for industrial use . determination of total acidity , and calculation of free sulphur trioxide content of oleum . titrimetric method
工业用硫酸和发烟硫酸.总酸度的测定和发烟硫酸中游离三氧化硫成分的计算.滴定法 |
| 7. | Test for total acidity following the instructions in your acid testing kit . if the acidity is less than . 7 % , add enough tartaric acid to bring it to that level
测定酸度：用你的测酸计测葡萄汁的酸度，如果酸小于0 . 7 ，就需要添加酒石酸直到你希望的酸度。通常为7 8之间为宜。 |
| 8. | Quantitative tests for sugar content and total acidity of pears were carried out by this system and the relationship between the fruit reflectance and internal quality indices were obtained by using partial least squares calibration techniques
利用该系统对不同采收期雪青梨糖度和总酸度进行了自动检测试验并结合多元校正算法偏最小二乘法，建立了雪青梨漫反射光谱与其内部糖度、酸度的相关关系。 |
| 9. | During storing period the husked rice under conventional storage usually has apparent degeneration in its fatty acid content , the total acidity of water - soluble acids also changes distinctly , and the catalase activity and the germination percentage of husked rice will reduce evidently with the extension of storing duration
常规储藏的糙米在储藏期间脂肪酸含量变化明显，水溶性酸的总酸度变化也较明显，糙米的过氧化氢酶活性、糙米发芽率会因储藏时间的延长而明显降低。 |
