查询词典 parthenogenesis

German-born American physiologist noted for his work on parthenogenesis.

勒布，雅克1859－1924德裔美籍生理学家，以其在单性生殖方面的研究闻名

Pretiosum, were transferred into an uninfected species, T. confusum. The presence or absence of Wolbachia was determined by direct observation of parthenogenesis of T.

在直接观察赤眼蜂孤雌生殖方式的基础上，利用分子生物学方法证明Wolbachia在新宿主体内的存在与否；并进一步分析了Wolbachia对其新宿主的生理影响。

Nutrient cells were obtained from these pigment mutants by enzymatic method and conchocelis were got by parthenogenesis. When the conchocelis were mature and conchospores were released, they were cultured singly and picked up as F1 gametophytic thallus.

通过酶法分离突变体的营养细胞，单性生殖获得丝状体；分别使丝状体成熟并放散壳孢子，然后单株培养和筛选获得褐黄、翠绿和褐绿色子代叶状体。

Calyciforus in Donghu Lake. The reproductive pattern of parthenogenesis provides the species cloning matrilineally, and keeping the most parental mutations.

东湖作为一个中型湖泊，其环境条件的季节变化是可以预测的，因此萼花臂尾轮虫休眠卵的产生是有一定规律的。

Moreover, the obligative parthenogenesis individuals had been found in the cucumber specialized aphids, but not in the cotton specialized aphids.

瓜型棉蚜在诱导条件下产生无翅孤雌蚜的比率显著高于棉花型棉蚜，并且发现有不产生有性世代的营专性孤雌生殖个体，而在棉花型棉蚜中没有发现。

Coevolution, freshwater snails, maintenance of sexual reproduction, Red Queen hypothesis, Trematoda, parthenogenesis.

&研究表明，在寄生虫丰富的环境中，有性生殖可以赋予物种进化优势，&约凯拉表示。

Then the female gametophytes were induced from the vegetative cells of the parthenogenesis juvenile sporephytes whose rhizoids were cut off.

采用切除假根的方法从孤雌生殖幼抱子体体细胞中诱导出雌配子体。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。