normal concentration

常见例句

However, the content of iridium in the rock formation is 200 times the normal concentration.
然而這個巖層中的銥含量是正常含量的200倍。
Carbon dioxide at higher than normal concentration is one way of experimentally inducing panic in animals as well as in humans.
二氧化碳的濃度高於正常標準是一種實騐方法包括對人和動物恐慌症的研究。
In mice with normal ovaries and approximately half the normal concentration of FSH, bone mass increased due to a decline in bone resorption by cells known as osteoclasts, which break down bone.
卵巢功能正常和FSH接近正常濃度一半的小白鼠，由於破骨細胞的破骨作用引起骨吸收作用的減弱，從而使骨量增加。

The concentration of xenon was eight times higher than normal, and the presence of the gas is indicative of nuclear activities.
FORBES: Magazine Article