| 1. | The first consideration in selecting a buffer is ph value .
在选择缓冲剂时第一考虑是它的pH值。 |
| 2. | at ph values above 12, ferric hydroxide will resolubilize due to the formation of the fe鳎anion.
当pH值高于12时，由于形成Fe阴离子，氢氧化铁会再次溶解。 |
| 3. | Aqueous machining fluids . determination of the ph value
含水机加液. ph值的测定 |
| 4. | Characterization of sludge - determination of ph value
污泥的特性记述. ph值的测定 |
| 5. | Ammonium nitrate - method for measurement of ph value
硝酸铵.第3部分: ph值测定方法 |
| 6. | And how the ph value influence on the reacts is studied
研究了ph值对反应的影响。 |
| 7. | Determination of ph value of an aqueous suspension of pigments
颜料水悬浮液ph值的测定 |
| 8. | Synthesis of urea formaldehyde resin using naoh to adjust ph value
值调节剂的合成方法 |
| 9. | Measurement of ph value of clear aqueous solutions
透明含水溶液的ph值测量 |
| 10. | Determination of ph values of anti - freeze solutions
防冻剂ph值的测定 |
