| 1. | Sodium and potassium are about the same in their chemical properties .
钠和钾的化学性质几乎是相同的。 |
| 2. | The first sign of potassium deficiency is a white speckling or freckling of the leaf blades .
缺钾的最初病症是叶片呈现白色斑痕或斑点。 |
| 3. | An increase in extracellular potassium does in fact shift the pacemaker within the sinus node from the cephalic to the caudal portion .
细胞外液钾的增高确实能使窦房结内的起博点从头侧移向尾侧。 |
| 4. | To a mixed solution of iron (iii) chloride and potassium hexaoyanoferrate (iii) add a freshly prepared solution of tin (ii) chloride .
加新制备的二氯化锡溶液于三氯化铁与六氰络铁酸（）钾的混和液中。 |
| 5. | Stable synthesis of potassium ferrate with high purity
高纯度高铁酸钾的稳定合成 |
| 6. | Determination of slow release potassium in forest soil
森林土壤缓效钾的测定 |
| 7. | Determination of potassium in feed flame photometric method
饲料中钾的测定火焰光度法 |
| 8. | Determination of available potassium in forest soil
森林土壤速效钾的测定 |
| 9. | It is measured in millimetres of mercury mmhg
钾的推荐摄入量是至少每天 |
| 10. | Selectivity of potassium adsorption by soils
不同土壤对钾的选择吸附特性 |
