四体

Dot plot image of DNA fluorescence could form region of diploid and tetraploid in integrated cell.

结果显示：结构完整的细胞DNA的荧光点图形成二倍体、四倍体的区域。

Dot plot image of DNA fluorescence could farm region of diploid and tetraploid in integrated cell.

结果显示：结构完整的细胞DNA的荧光点图形成二倍体、四倍体的区域。

Hybridization of diploid and tetraploid is an effective way to breed seedless triploid citrus.

利用二倍体与同源四倍体杂交是培育无核三倍体柑橘的一种有效方法。

Polymorphism in diploid species G.arboreum was the same as in tetraploid species G.hirsutum,both were 11.84%.

在二倍体棉种中棉的扩增多态性率为11.84%，与在四倍体棉种陆地棉的扩增多态性率相同。

Through chromosome identification, the chromosome numbers of diploid and tetraploid were 16 and 32, respectirely.

染色体鉴定表明，二倍体染色体数为2n=2x=16，四倍体染色体数为2n=4x=32。

The former was 176.1% higher than the latter. The comparison is helpful for promoting high quality tetraploidy raploidy strain.

四倍体药蒲公英中咖啡酸含量高，是一种值得推广的优质多倍体蒲公英新品种。

Variation of tetraploidy was observed among the regenerants from culture of immature cotyledons,cotyledons and leaves of melon seedlings.

甜瓜未成熟子叶、幼苗子叶和真叶离体培养的再生植株中存在着明显的四倍体变异，比率分别为30%、16.2%和 42.9%。

The effects of reactive route and temperature on forming control of four isomers were examined in the processes of synthesizing the thymine dimer.

考察了环丁烷嘧啶二聚体合成中反应途径和温度对四种异构体生成的影响和控制。

Tortile octagonal Zn_4O_4 building of μ2-O is edge-bridged by four carboxylates to give a novel topology structure. Viewed along the c zxis, there are channels(10.8A×8.15A)in the structure filled by L1 ligands.

同时，以L1为第一配体，均苯四酸为第二配体与Zn合成了另一个具有新颖结构的三维配位聚合物 [Zn_2(L1)_(0.5)_2]2。

The oligomerization of isoprene with titanium tetrachloride as catalyst and alkylaluminium chlorides as promotor was studied, and especially the effects of the reaction conditions on the synthetic activity and selectivity of dimer and trimer were investigated in detail.

研究了以四氯化钛为主催化剂，以烷基铝为助催化剂催化异戊二烯的低聚反应，详细考察了各种反应条件对催化合成二聚体及三聚体的活性和选择性的影响。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。