0 a silver-white chemical element that, when combined with other elements, is used in the production of soap, glass, and fertilizers (= substances that help plants to grow) -- 钾
Cesium in the intracellular solution blocks potassium channels like delayed rectifier and inactivating potassium channels.
These include a regenerative sodium current, the potassium inward rectifier, potassium delayed rectifier and transient outward potassium current, and several calcium currents.
Starch grains were visualized by a weak solution of iodine (0.3 g iodine and 1.5 g potassium iodide in 100 ml water).
Sustained and transient potassium currents of cultured horizontal cells isolated from white bass retina.
The glomerular lesions and disappearance of glomeruli compromised the renal function of these animals, a fact reflected in raised serum potassium and urea concentrations.
This observation suggests that the potassium present on the organic materials became easily available upon incorporation into the soil.
Most notable is the high concentration of potassium in pseudostem and stalk.
Samples of 10-50 g of coal were macerated in nitric acid and then cleared in potassium hydroxide.
