One disadvantage of using regular dry chemical (sodium bicarbonate) in firefighting is that().
The fire of sodium is classified as() fire.
Fires occurring in combustible metals, such as sodium or magnesium, are classified as a ().
Emulsion oils and sodium nitrite are both approved additives, but () cannot be used if any pipes are galvanized or if soldered joints exist.
钠依赖性高血压(sodium-dependent hypertension)
Fires occurring in combustible metals, such as sodium or magnesium, are classified as a ().
Emulsion oils and sodium nitrite are both approved additives, but the latter cannot be used if any pipes are () or if any soldered joints exit.
简述phenyltoin sodium的药理作用机制及其主要用途。
农用食盐 sodium chloride
Emulsion oils and sodium nitrite are both approved additives, but the latter cannot be used if any pipes are () or if any soldered joints exit.