1) leading cuve
诱变曲线
2) deflection curve
变曲曲线
3) UV mutagenesis
紫外线诱变
1.
Methods of domestication and UV mutagenesis were used to prepare tea wine yeast.
采用驯化与紫外线诱变并用的方法研制茶酒酵母。
2.
[Method] The endophytic Bacillus subtilis B47 strain was obtained from tomato stems by UV mutagenesis for two consecutive times,then genetic stability as well as physiological and biochemical characteristics of mutant strains were studied.
[方法]对从番茄茎内分离获得的内生枯草芽孢杆菌B47菌株进行连续2次紫外线诱变,并对诱变菌株的遗传稳定性和生理生化特性进行测定。
4) ultraviolet ray mutation
紫外线诱变
1.
was increased through ultraviolet ray mutation.
由于产量过低,确定以鲑色锁掷孢酵母为出发菌株,利用紫外线诱变技术,达到明显提高γ-癸内酯的目的。
5) ultraviolet mutation
紫外线诱变
1.
Studies on ultraviolet mutation of Thiobacillus ferrooxidans
氧化亚铁硫杆菌耐酸耐氟紫外线诱变的研究
2.
Using wild type Aspergillus oryzae isolated from natural fermented millet catsup as original strain(S),several mutated strains were obtained by ultraviolet mutation.
以自然发酵的粟米酱中分离的野生型米曲霉为出发菌株(S),经分离、纯化后,采用紫外线诱变育种的方法,获得新的变异菌株。
6) 60Co γ radiation
γ-射线诱变
补充资料：Hesse曲线(代数曲线的)
Hesse曲线(代数曲线的)
Hessian (algebraic curve)
11油限曲线(代数曲线的)【H台自11(.妙如允.抖e);recc咖，T~aaa，即r药pa一吸ee二o‘二p.助蓝] n次代数曲线(司罗玩水c~)的He丈祀曲线就是其极二次曲线能分裂为两条直线的点的集合，也是第一极曲线的二重点构成的集合.n次非奇异曲线的He丈七曲线是一条次数为3伪一2)、类为3(n一2)(3n一7)的曲线.设介O是这条n次曲线的齐次坐标方程，关丘=刁:f/刁xi刁、，则它的He丈犯曲线的定义方程为 !不:关:五，} }五:关:五31=0. }人，人2人3}特征不等于3时的三次非奇异曲线的H既七曲线与这条曲线交于9个通常拐点.因O.H改e(l 844)而得名. A .E.H困阳。B撰
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条