半数致死量 meaning in Chinese
half lethal dose
half-lethal dose
ic50
ldmedian lethal dose
ldso
lethal median dose
median dose lethal
median fatal dose
median lethal dose(ld 50)
medium lethal dose (ld50)
mld
Examples
- Diluting virus with 0 . 85 % nacl into concentration of 10 - 1 - 108 , the normal mice were challenged by intranasal inoculation of a range of 200ul virus dilution to assay its ld50
以10一仪10一,八个稀释度的病毒鼻腔接种小鼠, 0 . lml /只,测定其小鼠半数致死量( lds 。 - The results also indicated that the virulence of the most ibdv field collected in recent years was between the typical very virulent and standard virulent strains . a very virulent strain gx8 / 99 of ibdv was studied for its mortality in spf chickens and commercial egg - type chickens at different age inoculated with bursal suspension of 20 - 2000 eld50 in repeated experiments
选择致病性最强的来自广西的gx8 99株,在对法氏囊悬液中病毒用鸡胚半数致死量( eld _ ( 50 ) )定量测定后,在不同年龄的spf鸡和商品代蛋用型坞多次重复地比较研究了该毒株的致病性。 - Hybridomas secreting monoclonal antibodies ( mcabs ) specific for clostridium perfringens type a enterotoxin ( cpe ) were produced by fusion of nso myelomas cells with spleen cells from balb / c mice immunized with purified cpe . wells containing hybridomas secreting immunoglobulin g ( igg ) antibodies against cpe were specifically identified by an indirect enzyme - linked immunosorbent assay ( elisa ) , and two strains of elisa - positive hybridomas were selected and cloned forth by limited dilution
该纯化cpe对小白鼠的半数致死量为2 . 5ug /只;该cpe豚鼠皮肤蓝斑单位为2500 4000 ;引起新西兰白兔小肠积液的最小毒素量为25ug 。将纯化的cpe ,在含0 . 4福尔马林的的pb液中透析制备类毒素。