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- The fifteen newborn SPF(Specific Pathogen Free)piglets obtained by caesarean operation were randomly divided into three groups. 通过无菌剖腹产获取15头无特定病原菌(specific pathogen free,SPF)仔猪,随机分为三组。
- To ealuate accine efficacy, groups of 3-week-old specific pathogen free (SPF) chickens were intramuscularly injected with the four plasmids. 为了评价疫苗的效率，我们将3周龄不含特异治病源（SPF）的鸡分别肌内注射了4种质粒。
- High titer serum and immunoglobulin G (IgG) were prepared from specific pathogen free (SPF) chickens immunized with inactivated AIV subtype H9N2. Rabbits were immunized with this chicken anti-H9N2-AIV IgG and high titer serum were collected. 将H9N2亚型AIV增殖,经差速离心和蔗糖密度梯度离心提纯后,灭活,免疫SPF鸡,制备高免血清并提纯免疫球蛋白G(IgG)。 以此制备疫苗免疫家兔,制备高免血清并提纯其中的IgG。
- A human lung oat cell carcinoma was transplanted and serially passaged in BALB/CA/JCL nude mice, cultivated under a specific pathogen free condition. 一株人肺燕麦细胞癌成功地移植到BALB／CA／JCL品系裸小鼠皮下生长并连续传代。
- Ten strains of adult specific pathogen free chickens are inoculated with Laryngotracheitis(ILT) virulent virus,to in vestigate the clinical signs and the pathological changes by autopsy. 用传染性喉气管炎（ILT）强毒株感染10个家系150日龄BWEL?SPF鸡，观察比较临床症状和剖检所见病变；
- Methods Seventy five pathogen free Sprague Dawley (SD) rats were randomly divided into three groups (25 in each group),they were control(C),bleomycin(BLM) and dexamethasone (DXM) group. 方法 75只SD大鼠随机分为对照组 (C组 )、博莱霉素组 (BLM组 )和地塞米松组 (DXM组 )。
- Keywords Golden hamster;Microsatellite;Specific pathogen free（SPF）;Outbred colony;Genetic difference; 金黄地鼠;微卫星;无特定病原体动物;封闭群;遗传分化;
- Specific Pathogen Free Animal Laboratory 动物实验中心
- specific pathogen free chicken embryo SPF鸡胚
- specific pathogen free animal(SPFA) 无特定病原体动物
- Reading occupies most of my free time. 阅读占去了我大部分的闲暇时间。
- Conclusions Acanthamoeba is an opportunistic pathogenic free living amoeba which can produce fatal GAE. 结论棘阿米巴是一种机会性致病的自由生活阿米巴，可引起人的致死性肉芽肿性脑炎。
- The crew remained free from scurvy. 那些船员仍然没有患坏血病之虞。
- Deviation or a specified amount of deviation. 偏度偏差; 一特定数量的偏差
- Specific pathogen free (SPF) 无特定病原体动物
- He's a fervent believer in free speech. 他是言论自由的强烈信仰者。
- A franchise to sell specified items in a certain area. 商品经销特许权在某一区域内出售某特定商品的特许权
- She picked up a new magazine with her free hand. 她用空着的一只手拿起一本新杂志。
- If deck loading is specified, will the insurance rates be higher? 如果指定在甲板上装货，保险率是否会提高？
- RESEARCH ADVANCE IN THE SPECIFIC PATHOGEN FREE SWINE 关于无特定病原猪的研究进展
