二化性

人工饲养的一化性玉米螟F3代幼虫的发育历期比二化性长3d左右。

The development duration of univoltine F3 larvae by artificial rearing was about 3 days longer than that of bivoltine ones .

中国二化性品种SOD活性值比日本二化性品种高20%左右。

SOD activity of the Chinese bivoltine varieties was 20 % higher than that of their Japanese counterparts .

一化性和二化性的二化螟越冬幼虫在滞育解除方面的差异仅表现在群体临界化蛹前期的长短上，一化性CC品系的群体临界化蛹前期显著长于二化性PL品系。

Difference of diapause termination between univoltine and bivoltine was only in the length of critical pupation time .

说明一般年份沈阳地区玉米螟二化性比例比一化性大。

This indicated that the bivoltine ecotype was dominant in Shenyang area .

家蚕二化性品种（品系）转基因用蚕卵的预处理技术研究

Studies on Pretreatment of Eggs From Bivoltine Silkworm Varieties ( Strains ) for Micro-injection Transgene

二化性品种比多化性品种更易受高温影响。

It was also known that the bivoltine was easilier affected than the polyvoltine by high temperature .

二化性家蚕滞育不同阶段过氧化氢酶基因表达差异的研究

Differential Expression of Catalase Gene during Different Phases of Diapause in the Bivoltine Silkworm , Bombyx Mori

不同催青处理的二化性家蚕体内过氧化氢代谢

Effect of Different Treatments During Incubation on Metabolism of Hydrogen Peroxide in Bivoltine Silkworm , Bombyx mori

根据家蚕的滞育性可将其分为一化性、二化性和多化性品种。

Silkworm varieties can be classified into univoltine , bivoltine and polyvoltine ones according to their diapause characters .

二化性蚕品种在胚胎中期和晚期经受高温和长光照，其结果是下一代胚胎滞育。

Exposure to high temperature and long illumination at the middle to late embryonic stages results in an embryonic diapause in the next generation .

本文以二化性品种为材料，采用不完全双列杂交法分析家蚕部分数量性状的遗传效应。

Incomplete diallel crosses were made ir an experiment with bivoltine races of silkworm ( Bombyxmori ) to study the genetic effects of six quantitative characters .

亲本一般配合力相对效应值在含多化性血统的二化性品种及多化性品种之间的差异大于二化性品种之间的差异；

The differences of the relative effects of the GCA among multivoltine strains and bivoltine strains containing multivoltine pedigrees were larger than those among bivoltine strains .

不同品系和品种家蚕生产的白僵蚕化学成分含量分析家蚕二化性品种（品系）转基因用蚕卵的预处理技术研究

Analysis of chemical composition content of Bombyx Batryticatus from different silkworm lines and breeds Studies on Pretreatment of Eggs From Bivoltine Silkworm Varieties ( Strains ) for Micro-injection Transgene

在变温和恒温条件下研究了吉林省的一、二化性亚洲玉米螟的光周期反应。

The photoperiodic reactions of univoltine and bivoltine Asian corn borer ( ASB ) Ostrinia furnacalis ( Guenee ) under alternative and constant temperature conditions were studied in Jilin Province .

印度南部适宜饲养二化性家蚕的季节为9月至翌年的3月，进入4月后，不宜饲养二化性家蚕品种。

The suitable seasons for rearing bivoltine silkworm races are from September that year to March next year in South India , When it comes to April , bivoltine silkworm races are unsuitable to be reared .

实验验证了该方法对于由线阵CCD扫描获得的低对比度、亮度不均的大幅面图像二值化的有效性。

The experiment results proved the validity of the method to get the low contrast or asymmetric illumination and large size image acquired by linear CCD .

扩链剂间苯二胺酰基化改性对聚脲性能的影响

Influence of the acetylating chain extender m-phenylenediamine on the properties of polyurea