英语人>网络例句>柞蚕 相关的搜索结果
网络例句

柞蚕

与 柞蚕 相关的网络例句 [注:此内容来源于网络,仅供参考]

Tussah is complete it is abnormal insect, classics egg, larval, aurelian, imago wants in lifetime the growth phase that 4 configuration and physiology function differ completely.

柞蚕是完全是变态昆虫,一生中要经卵、幼虫、蛹、成虫4个形态和生理功能完全不同的发育阶段。

Pebrine disease has increased in recent years,so it is the two grand requisites of theoretics and production to do research on microsporidia.

家蚕、柞蚕微孢子虫是引起家蚕和柞蚕微粒子病的病原,微粒子病对养蚕业来说是一种毁灭性的病害。

This paper examines the sequence and organization of the ribosomal RNA gene,the ITS region of Nosema antheraeae,and present molecular biological evidence of Nosema antheraeae taxonomy.

目的研究柞蚕微孢子的核糖体基因,转录间隔区以及它们的排列顺序,为柞蚕微孢子的分类和系统进化分析提供分子生物学方面的依据。方法采用特异引物进行PCR扩增,克隆和测序。

Genetic relationships of germplasm resources of A. pernyiThe genetic relationships of 68 A. pernyi cultivars were analyzed by random amplified polymorphic DNA .

利用RAPD标记技术对68个柞蚕品种间的遗传差异进行了分析,并依此构建了柞蚕品种的系统分类层次。

According to the RFLP analysis and phylogeographic pattern, combined the radiation record of A. pernyi, it was inferred that the 12 cultivars used might origin from two different maternal ancestors, one from Henan province and the other from Shandong.

根据对12个柞蚕品种的线粒体AT富集区和tRNA〓基因序列的模拟酶切和种内系统发育分析结果,结合柞蚕种的传播历史记载,本文推测所分析的12个品种可能有2个母系来源:一个来源于山东,一个来源于河南。

The optimum extracting condition of β-ecdysone from tussore were investigated by using the response surface methodology.

通过单因素试验,应用响应面分析法研究了温度、乙醇体积分数、料液比和时间对柞蚕中β-蜕皮激素提取的影响,探讨以乙醇为溶剂提取柞蚕中的β-蜕皮激素的最佳提取工艺条件。

The results indicaled that there were three species forms of spontaneous electrical activity of thoracic ganglions:single spontaneous firing ; burst spontaneous firing ; consecutive spontaneous firing .

本文以柞蚕五龄幼虫为材料,运用微电极电生理技术,以胞外记录的方法,记录了柞蚕虫在体胸神经节的自发放电活动。

In the later 19th century,Chinese tussah silkworm production was springing up vigorously with the increase of tussah silk exports.

然各地柞蚕业的蓬勃发展则在19世纪后期,海禁大开以后,柞丝绸出口日增,刺激了柞蚕生产。

On the basis of the theory, analyses and grade interval classification are conducted on the size deviation indices in the standard for water-reeled tussah silk. The precision assessment of the classification results between the new and old standards is expected to be helpful to the formulation of a State standard for water-reeled tussah silk.

对生丝抽样检验分级理论在柞蚕丝领域中的可行性进行了探讨,并根据这一理论对柞蚕水缫丝标准中纤度偏差指标进行了分析和等级区间划分;对新、旧标准的分级精度进行了评价;利用所得结果指导柞蚕水缫丝国家标准的制定工作。

We put forward a new viewpoint that the purity of seed selection keeps the balance with the DNA polymorphism demand. The research aim at oak silkworm seed selection was to determine how to keep the balance between improving cultivar purity and keeping the genetic diversity within cultivar.

对品种选育的纯度与DNA多态性需求的平衡进行了讨论,并分析了对柞蚕品种选育的启示,提出了柞蚕品种选育的下一步的研究目标:寻找提高品种纯度与保持品种内的遗传多样性的平衡点。

第2/7页 首页 < 1 2 3 4 5 6 7 > 尾页
推荐网络例句

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47:5 法老对约瑟说,你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法,同时,采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。

Hey Big Raven, The individual lies dont matter anymore - its ALL a tissue of lies in support of...

嘿大乌鸦,个别谎言的事不要再-其所有的组织的谎言,在支持。