"We place the silkworms in an airy house, even better than our own."

我們把蠶養(yǎng)在一處開(kāi)敞的房子里天堂网综合网，比我們住的地方還要好114毛片。

Studies on the genetic diversity of Bombyx mandarina M. play an important role in the facets of silkworms breeding, protection of wild resources, and construction of special properties genetic bases and so on.

研究野桑蠶的遺傳多樣性在遺傳育種、野生資源的保護(hù)日韩免费午夜毛片视频在线播放、特殊性狀基因庫(kù)的建立等諸多方面具有非常重要的意義欧美视频大全。

The Chinese empire once made it a capital crime to export silkworms: that failed, too.

中國(guó)古代也曾將出口桑蠶定為死罪，但也以失敗告終狠狠cao2020高清视频。

Spring silkworms spin silk no end till their death; candle s stop shedding tears only when burned up.

春蠶到死絲方盡国产三级网片，蠟炬成灰淚始干

After Bt-containing diesel oil is aerosolized by a 6HY-25 fogger,Bt is still active.After cultured,the purifiedBt has the same virulence on silkworms.Bt-containing aerosol is directly pathogenic to the silkworms.

以Bt為材料，Bt菌粉柴油煙劑經(jīng)過(guò)6HY-25型煙霧機(jī)煙霧化后欧美丝袜精品久久中文字幕，仍保持活力午夜福利在线视频观看在线；經(jīng)純化培養(yǎng)Bt對(duì)家蠶毒力沒(méi)有下降；Bt煙霧直接對(duì)家蠶仍有致病力1024手机看片的你懂得亚洲。

The government officials and local gentry advocated to develop silkworms, so silkworms and tussah were developed fast and the skill was made better.

各地官紳在提倡和推廣蠶桑方面做出了一定努力真人黄色网站入口免费，桑蠶業(yè)和柞蠶業(yè)都有了較快發(fā)展，蠶桑技術(shù)的改良也很有成效可觀久久久久久久久久久久久久久久久。

There was not any distinct difference in flourrescence density between the experimental and control silkworms under the ultra-violet light in both of the 2 experiments; and with the excitation of ultra-violet ray, the germline cells of experimental silkworms in the experiment of 2002 emitted green fluorescence while the control did not.

紫外燈熒光檢測(cè)偷拍播放，2次實(shí)驗(yàn)都未看到實(shí)驗(yàn)組與對(duì)照組家蠶間有顯著差異，而2002年實(shí)驗(yàn)取家蠶4齡幼蟲(chóng)生殖細(xì)胞觀察偷怕视频区永久入口在线观看，有部分實(shí)驗(yàn)家蚤的生殖細(xì)胞在紫外光下發(fā)綠色熒光4444www免费看。

Moreover,we reared about 20,000 androgenetic silkworms and succeeded in getting successors from androgenetic silkworms.

所有雄核發(fā)育蠶都為雄性，且只表現(xiàn)父本性狀五月天色色香蕉，不表現(xiàn)母本性狀欧洲免费av。

The research demonstrated that the sperm-mediated gene transfer method (direct injection of copulation thecae) can introduce foreign gene into silkworms, and that the foreign gene may be integrated in the chromosomes of silkworms with many copies in series and can be transmitted to G1 offspring.

本研究的結(jié)果證明了精于介導(dǎo)基因轉(zhuǎn)移方法能將外源基因有效地導(dǎo)入并整合于家蠶基因組，導(dǎo)入的外源基因可能是以串聯(lián)多拷貝的形式整合于家蠶基因組中欧美久久久久，整合的外源基囚葉＠傳午G狼友精品在线；代。

Silkworms began to silking, and then, I found silkworms look very interesting.

蠶寶寶開(kāi)始吐絲了九九在线免费视频，這時(shí)影音先锋AV每日精品，我發(fā)現(xiàn)蠶寶寶的樣子非常有趣。