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Also the disomy of autosome is a little higher than gonosome, but there was no significant statistical difference among these values. In diploidy, as the frequencies ranged from 0.035% to 0.083%, heterogeneity was also not obvious.

同时在实验中观察到二体率比二倍率要高的情况,这可能意味着在精子形成的减数分裂过程中,二体更易形成。

The research results showed that there were no big difference in time of beginning fertilization between autotetraploid and diploid rice.

研究结果表明,同源四倍体水稻和二倍体水稻在发生受精作用的时间上没有存在着很大的差异。

The research results showed that there were no big difference in the time of beginning fertilization between autotetraploid and diploid rice.

研究结果表明,同源四倍体水稻和二倍体水稻在发生受精作用的时间上不存在很大的差异。

Their morphological and cytological characteristics were observed and identified, comparing with original autotetraploid watermelon.

2001年和2002年在四倍体西瓜品种790010、日み66、91E7和770007中各发现1份类似二倍体西瓜的种子,对这4份突变体进行了形态学和细胞学的观察和鉴定。

The formation and development of embryo sac in the diploid and its autotetraploid of rice cultivar IR36 was examined using Laser Scanning Confocal Microscopy.

利用激光扫描共聚焦显微镜术对水稻品种IR36二倍体及其同源四倍体的胚囊形成和发育过程进行了系统的研究。

This paper also discusses the mechanism of occurrence of these aberrant embryos and discusses their relationship to diploid–tetraploid mosaicism.

文章也讨论了这种异常胚胎的发生机制,以及它与二倍体-四倍体嵌合体的关系。

The optimum conditions were obtained as follows: the weight ratio of fatty acids and 85%acetic acid is 1:4, ozonolysis temperature is 20-25℃, manganese/copper acetate as catalyst, and the amount of catalyst is 0.15% of fatty acids, oxidation decomposition temperature and oxidation decomposition time are 90-95℃ and 4 hours respectively. the yields of azelaic acid and pelargonic acid are 57.4% and 51.6% respectively.

以菜油酸为原料、85%醋酸水溶液为溶剂,经臭氧化、氧化分解、重结晶等过程制备壬二酸和十三烷二酸的最佳反应条件为:m:m(85%醋酸)=1:4,臭氧化温度20-25℃;氧化分解温度80-85℃,催化剂醋酸锰/醋酸铜用量为原料菜油酸质量的0.12%,氧化分解时间3h,重结晶溶剂壬酸的用量为5倍质量的氧化分解产物时,十三烷二酸的收率为58.3%,壬二酸的收率为57.2%。

The main breeding methods of triploid grape such as crossing between diploid and tetraploid cultivars, endosperm culture, using 2n gametes and bud mutation etc.

探讨了三倍体葡萄育种的主要途径如利用二倍体和四倍体杂交、胚乳培养、利用2n配子和芽变选择等。

This module consists of two stages frequency doublers, a bandpass filter between two frequency doublers and a millimeter wave power amplifier with a microstrip of waveguide transition.

该文设计了一种Q波段宽带四倍频放大组件,该组件包含两级二倍频器、两级之间的带通滤波器和一级毫米波功率放大器,最后通过微带到波导过渡输出。

However, out of the 392 counted cells, no ploidy variated cell was found in the suspension used for the isolation of somatic protoplasts, all of them were diploid with 18 chromosomes.

而起始悬浮细胞系为二倍体,检查的392个细胞,未发现有染色体倍性变异。

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The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了,排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意,我建议我们在价格上大家各让一半。

After an hour and no pup, look for continued contractions and arching of the back with no pup as a sign of trouble.

一个小时后,并没有任何的PUP ,寻找继续收缩和拱的背面没有任何的PUP作为一个注册的麻烦。