half lethal time 中文意思是什麼
half lethal time
解釋
半致死時間-
The main results were as follows : growth reduction by salt treatment was significantly greater in shoot than that in root. the half of the lethal salt concentrations of shoot and root would get stabile only after a long treatment - time
無論是根部還是地上部，半致死脅強（ halfoflethalsaltconcentrations ）經過較長時間的鹽分處理之後才趨于穩定，因而在用半致死脅強衡量植物的抗鹽性時，處理時間的長短不容忽視。 -
Because of this, we should put more attention on the treatment - time, if we want to use the half of the lethal salt concentration to judge the capacity of plant fastness to salt. as the salt content increased, the sodium and chloride content of plant increased also. after 36 - day treatment, the plants grew under 50 ~ 100 mmol. l - 1 salt levels had the most amount of salt ions
Nacl環境下，植株體內鹽分離子na ~ + 、 cl ~ -含量均隨著鹽分水平的升高而升高；但隨著處理時間的延長，根部na ~ + 、 cl ~ -含量表現為不斷地顯著增長，而地上部則表現為先增長後下降的趨勢；經過36天的鹽分處理，地上部鹽分離子的最大無差異單株積累量分佈在50 100mmol ? l ~ （ - 1 ）左右的鹽分環境下。
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