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1·Results:A stable strain was obtained with the titer of flavomycin increased by 170.25% than parent strain.

结果：获得一株遗传稳定且黄霉素发酵效价比出发菌株高出170.25%的菌株。

2·The comprehensive traits of hybrid strain and parent strain fruiting bodies were verified by the fruiting test of 42 strains.

对42个菌株进行栽培出菇试验，考证了杂交菌株和亲本菌株菇体综合性状。

3·The yield of Gibberellin and morphology of colonies of the regenerated strains from protoplasts are the same as those of the parent strain.

原生质体再生菌株仍保留亲株的菌落形态及合成赤霉素的生产能力。

4·Its fermentation characteristics was tested in the lab, comparing to the parent strain, its enzymatic activity of shaking culture was higher by 26.

在实验室对该菌株进行发酵性能测试，摇瓶酶活力比原菌株提高了26。

5·The precocious line was much less pathogenic than the parent strain judged by mortality and weight gains, but its immunogenicity was reduced to some degree.

根据死亡和增重判断早熟株的致病性较亲本株大大降低，但其免疫原性也有一定程度的下降。

6·And strain Z76, was superior to the parent strains in hypha growth rate and the soluble protein content which can compare favourably with the crossing strain No. 19.

杂交菌株z_(76)的菌丝生长量和可溶性蛋白含量高于双亲，可与杂交19号相媲美。

7·A mutant, TS-N-121 was obtained by mutation and plate screening from a parent strain Mycobacterium fortuitum MF2 , which could transform sterol into androstanedione as the main product.

从雄甾二酮的转化产生菌偶发分枝杆菌MF2出发，经紫外诱变结合平板筛选，获得一株主要转化生产睾酮的突变株T S-N-1 21。

8·In the paper, screening of nutritional yeast parent strains, mutation of rich riboflavin strain, shake-flashing culture conditions as well as fermentation technology of nutritional yeast were studied.

本论文针对营养酵母出发菌株的筛选，高核黄素含量菌株的诱变育种及营养酵母摇瓶培养条件、生产工艺进行了研究。

9·The ability of one parent, variety, or strain to transmit individual traits to an offspring, apparently to the exclusion of the other parent, variety, or strain.

优先遗传父母一方的某些品种或品系具有的将自身特点传给后代的能力，并明显地排斥了父母另一方，另一种品种或品系的作用。

10·In order to study the attenuation of neurovirulence of SA14 14 2 attenuated vaccine virus, monkeys and mice were tested with the strain and its parent SA14 virulent strain.

为了解乙型脑炎（乙脑）减毒活疫苗弱毒株SA14 14 2神经毒力的减弱程度，本文对弱毒株及其原株SA14强毒株进行了猴体和小白鼠的致病性和病理学变化的比较试验。