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In this study, copepoda and its resting eggs in shrimp culture ponds were detected using PCR dot-blot hybridization and nest-PCR for the presence of WSSV. The results showed that WSSV positive cases were detected in copepoda from egg to adult, and the positive copepoda appeared earlier than cultural shrimp in ponds.

1。本研究利用PCR-斑点杂交和巢式PCR法检测野外发病对虾养殖池塘中桡足类及其休眠卵,以及由这些休眠卵孵化出的幼体携带病毒情况,发现桡足类由卵到成体各阶段中均有阳性个体,而且池塘中在春天放养对虾苗前桡足类就出现阳性个体。

An electron microscopic study of resting cysts and their organelles in Paraurostyla weissei has revealed that:⑴The cyst wall is composed of four layers named from outside to inside:ectocyst,mesocyst,endocyst,and granular layer.The granular layer is delimited by the cell pellicle.Both the layer and pellicle contain a few vesicles.

为研究纤毛虫休眠状态下细胞的分化及其胞器的特征,本文以透射电镜术显示,魏氏拟尾柱虫休眠包囊中,颗粒层壁内有小泡,表膜位置也偶见小泡样结构,大部分线粒体以多个相互聚集在一起,自噬泡将线粒体等胞器包裹在内经历消化过程,细胞内膜系统十分发达。

In order to study the physiological basis of dormancy relieving with low temperature in Fritillaria thunbergii,isoperoxidase changes of bud,adaxial epiderm and inner tissues in scale were assayed by means of electrophoresis over the course of dormancy relieving.

中文摘要:为了探讨浙贝母低温解除休眠的生理机制,利用电泳方法研究了芽、鳞片近轴面表皮与鳞片内部组织3个部位在休眠解除过程中过氧化物酶同工酶的变化。

The macronuclear and mitochondria DNA between the resting and the vegetative cell of Euplotes encysticus were comparatively analyzed by using RAPD technique in order to explore the acting feature of two genetic systems in the resting cell of ciliates.

为了探索纤毛虫休眠细胞中两套遗传系统的作用特征,对包囊游仆虫休眠细胞与营养细胞大核DNA和线粒体DNA进行了RAPD比较。

For 3 years we studied 4 Medicago sativa cultivars (CW200, Pondus, Grandeur and Victoria), whose fall dormancies are 2, 3, 4, and 6, respectively.

对秋眠级数分别为2,3,4和6的休眠和半休眠苜蓿品种生长前3年的根颈特性进行了连续研究。

No obvious changes happen in the micronuclear"s shape, which perhaps have no relation with the process of resting cyst"s differentiation.

小核在休眠细胞解脱过程中没有明显的形态学上的变化,它可能与休眠细胞的解脱过程没有联系。

Changes of DNA, RNA and protein content during the release of dormancy in winter bud of Morus alba L were determined in biochemical method, and it was found out that DNA, RNA and protein content in dormancy bud were the lowest.

桑冬芽休眠解除中蛋白质和核酸的动态变化研究⒇唐云明(西南师范大学生命科学系,重庆630715)用生化分析法测定了桑冬芽休眠解除过程中DNA,RNA和蛋白质含量的变化。

The goal of this study was to evaluate the effectiveness of dormancy-breaking treatment before storage of Prunus campanulata seeds.

本文旨在评估打破休眠处理能否用於山樱花种子乾藏之前,使这个已无休眠的种子能被储藏利用。

The project implemented a systemic investigation to the pupa period of wild silkworm comparatively, which from Shanxi, Jiangsu, Sichuan, Chongqing, Guizhou provinces and so on. According to the investigation, the pupa dormant characteristic of Shaanxi wild silkworm was found, and the individual, which pupa period was more than two months was selected. Through the hybrid genetic analysis we found that the characteristics for a long period of pupa was controlled by polygene and genetic recessively and strongly influenced by environmental conditions at the same time. To compare the performance of pupa period of the pupa dormant wild mulberry silkworm, we designed different ecological conditions. The result indicating that the temperature is the main factor in the ecological impact, but the pupa period was extended at the same temperature conditions, indicating that the additive effects of the environmental factors.

本项目实施,系统调查比较了陕西、江苏、四川、重庆、贵州等省市的野桑蚕的蛹期经过,发现了陕西野桑蚕的蛹休眠特性,筛选获得了长达2个月以上的蛹期经过个体;通过杂交遗传分析,发现长蛹期特性表现为隐性遗传,受多基因控制,同时受环境条件的强烈影响作用;通过设计不同生态条件比较蛹休眠性野桑蚕蛹期经过的表现,表明温度是主要的生态影响因子,但相同温度的野外型条件下蛹期经过延长,表明受到环境因素的综合作用。

Dormancy-breaking of Toona sinensis is controlled hormones balance, and carbohydrate content is varied.

因此,内源激素的平衡状态控制香椿休眠的释放,在香椿休眠释放过程中还伴随着碳水化合物的变化。

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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

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关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。