例句與用法

1. Hatchability is decreased .
   孵化率降低。
2. He was unable to prove conclusively how passage through the worm affected hatchability of cysts .
   他未能結(jié)論性的證明為何經(jīng)過(guò)蚯蚓則影響到胞囊的孵化力。
3. Studies were carried out on the distribution , abundance and growing condition of euphausia superba in the southern ocean , and on the spatial distribution , diel vertical migration and egg production , hatchability and early larval development of euphansia pacijica in the east china sea and the yellow sea
   本文分別對(duì)南大洋磷蝦關(guān)鍵種? ?大磷蝦euphausiasuperbadana和黃、東海磷蝦關(guān)鍵種? ?太平洋磷蝦euphausiapacificahansen的某些生態(tài)學(xué)問(wèn)題進(jìn)行了研究，主要研究?jī)?nèi)容和結(jié)果如下： 1
4. In young chickens aev induces paralysis , ataxia and muscular dystrophy , while in older chickens , infection is usually subclinical , resulting in a decline in egg production and hatchability . infectivity was shown to remain unaffected by chloroform , low ph , pepsin , trypsin and deoxyribonuclease . magnesium cations were shown to stabilise preparations of the virus against heat inactivation . the buoyant density of virions are 1 . 31g / ml . the diameter of the virion was estimated to be 22 to 30nm . the aev can be adapted to grow in chicken embryo . the inability of aev to grow effeciently in most cell cultures
   幼雞感染該病毒后，引起麻痹、頭頸震顫甚至共濟(jì)失調(diào)，而成雞常呈亞臨床感染或?qū)е庐a(chǎn)蛋量和孵化率下降。病毒的感染性不受氯仿、低ph 、胃蛋白酶、胰酶和脫氧核糖核酸酶的影響，鎂離子可增強(qiáng)病毒對(duì)熱的穩(wěn)定性，病毒的浮密度為1 . 31g ml ，直徑為22 - 30nm ，該病毒主要在雞胚中增殖，在大多數(shù)細(xì)胞培養(yǎng)物中不生長(zhǎng)。