In this thesis we carried on the preliminary study to the extraction process of plant essential oil, and measured the biological activity of plant essential oil on red flour beetle, Tribolium castaneum and the housefly, Musca domestica vicina.

采用三因素四水平正交試驗(yàn)設(shè)計(jì)對(duì)植物精油進(jìn)行提取工藝研究，最佳提取工藝條件是A_2B_3C_3国产农村一区二区在线播放，即50g供試植物加入1000ml水，水蒸氣蒸餾120min后欧美插插影院，用石油醚萃取日韩成人网址播放器在线播放免费，萃取液濃縮以后得到的精油可獲最大收益91国语露脸精品国产电话。

Every beetle is a gazelle in the eyes of its mother.

" "每甲蟲是瞪羚在其母親的眼睛。

You probably aren't going to discover a gold mine because of that beetle you didn't step on, but look at it this way.

你也許不會(huì)因?yàn)闆]有踩一只甲蟲WWW囯产播放，而發(fā)現(xiàn)了一個(gè)金礦欧美乱伦小视频。但是你應(yīng)該這樣來看。

The insect heaviest and largest is the Goliath beetle from Africa.

最重的昆蟲和最大的是來自非洲（性別Goliathus）巨人甲蟲国自产拍精品自拍。

Media reports said that the beetle may cause grain damage of up to 30 percent, although 75 percent damage has also been reported.

媒體報(bào)道說：這種甲蟲能夠引起谷物災(zāi)害損失達(dá)到30％色哟哟夜夜操，其中75％的災(zāi)害已經(jīng)被記錄。

The toxic effect of mixed atmospheres with phosphine and carbon dioxide on the adult of flat grain beetle ( Crytolestes turcicus Grouville ) is studied in this paper.

呼吸作用的研究表明：在 8％二氧化碳條件下黄色在线三区，試蟲的耗氧量比正常大氣增加2.17倍日本羞羞网站，二氧化碳濃度繼續(xù)增加到64％時(shí)，耗氧量有所降低国产精品女人被喂j8。

Objective To study the part of Anti-thrombus and its property from Ground Beetle.

目的 研究土鱉蟲抗血栓活性部位在线免费观看你懂的，并對(duì)其性質(zhì)進(jìn)行研究。

These 9 kinds breed a project is: One, ground beetle.

這九類養(yǎng)殖項(xiàng)目是：一久久精品国产亚AV香蕉、地鱉蟲日韩免费一级一欧美一级毛。

My itself is a the biggest ground beetle, want take root mainland only, the pattern that uses us goes the influence, client that affects us, can gain a success certainly.

我本身就是一個(gè)最大的土鱉，只要扎根本土久久精品无码一区二区国产盗，用我們的模式去影響欧美性爱性交一区、感染我們的客戶，一定能取得成功久久久久久精品免费免费hd。

Even at less than 10mm, this "small" ground beetle larva is a huge and powerfulpredator to the tiny springtail in its jaws. It has all the characteristics

這種"小"步行蟲的幼蟲雖然體長(zhǎng)不足10毫米口爆吞精视频，可對(duì)于被它擒在顎中的微小的彈尾蟲來說，卻是雄偉有力的掠食者人人操人人看人人摸人人干。