Results: The values of parameters of the rate of biting human, the index of human-blood, the habbit of biting human, the ratio of multiparous mosquitoes, the gonotrophic cycle, the survival rate of every day, the expected life-span, the reproductive time of sporop...

結(jié)果：計(jì)算出中華按蚊叮人率色友视频在线观看免费、人血指數(shù)、叮人習(xí)性日韩欧美爱爱一区二区、經(jīng)產(chǎn)蚊比率日韩AA级毛片、生殖營養(yǎng)周期、每日存活率www.hbxiaonong.com、預(yù)期壽命午夜性爽免费一级视频、孢子增殖時(shí)間、有傳瘧性蚊的比率免费毛片一区，預(yù)期傳瘧壽命爱爱免費视频网址、媒介能量等參數(shù)值久久精品国产这里只有精品。

Additional research will be required to determine how to manipulate the mosquitoes' immune response towards this end, said Myles.

進(jìn)一步的研究將需要來決定如何操縱蚊子'免疫反應(yīng)實(shí)現(xiàn)這一目標(biāo)，邁爾斯說欧美成αⅴ人在线视频。

All the bars and restaurants are fully naturist, although people do tend to wear clothing in the evening. The mosquitoes will have you for supper if you don't.

所有的酒吧和餐廳里都是裸體主義者www热色com，但人們往往在晚上穿上衣服，不然蚊子會把你當(dāng)作晚餐的AV野狼。

When they fed on malaria-infected mice, the resistant mosquitoes had a higher survival rate than nonresistant ones, meaning they could eventually replace the ones that can carry the disease, according to a report in Tuesday's issue of Proceedings of the National Academy of Sciences.

據(jù)星期四國家科學(xué)研究院的最新報(bào)告欧美大黑屄，研究人員培育抗瘧疾老鼠時(shí)發(fā)現(xiàn)，抗瘧疾蚊子比非抗瘧疾蚊子成活率要高得多大黑吊性爱，這意味著抗瘧疾蚊最終必將取代非抗瘧疾蚊九九精品国模私拍在线观看。

As we view GEICO's current opportunities, Tony and I feel like two hungry mosquitoes in a nudist camp.

當(dāng)我和 Tony 研究 GEICO 現(xiàn)在面對的機(jī)會的時(shí)候，我們發(fā)現(xiàn)各種各樣的機(jī)會無處不在av日韩免费网址。

Therefore it is critical to develop new efficient, effective and environmental-friendly mosquito-control approaches. Mosquitoes' behaviors are guided by their olfaction system.

蚊子的行為很大程度上依賴于它們的嗅覺系統(tǒng)日韩孕妇自拍视频网站大全在线观看，因而根據(jù)蚊子的嗅覺系統(tǒng)的研究來利用化學(xué)生態(tài)手段去防治蚊子成了近期的研究熱點(diǎn)。

To test their theory, Butler and his research assisants built an "olfactometer" to measure mosquitoes' odor preferences.

為了驗(yàn)證他們的理論手机黄网欧美高清，布特勒和助手們建起了一個(gè)"嗅覺測量器"去測試蚊子對氣味的偏好久久久丰满老熟妇。

Nepetalactone, the primary component of catnip oil, were extracted by the using method of simultaneous distillation-extraction and separated by using silica gel chromatography column. To compare the repellency of nepetalactone and DEET on mosquitoes, topical bioassay method on the skin and a cage olfactometer were employed to assess the effective protection time and the spatial repellency.

采用同時(shí)蒸餾萃取及硅膠柱層析法從貓薄荷Nepeta cataria植物中提取、分離制得驅(qū)蚊有效成分假荊芥內(nèi)酯国产热情网站，并采用個(gè)體涂膚有效保護(hù)時(shí)間測定法及風(fēng)洞空間驅(qū)避效果測試法中老年女人A片，對假荊芥內(nèi)酯與避蚊胺的驅(qū)蚊效果進(jìn)行了對比試驗(yàn)。

You asked the mosquitoes to stay out of the car and away from you and they did so.

你請求蚊子呆在汽車外并且遠(yuǎn)離你們而且它們就這樣做了久久国产精品免费一区二区三。

The scientists, led by Dr Mauro Marrelli from Johns Hopkins Uniersity in Baltimore, Maryland, suggest that the transgenic malaria-resistant mosquito could one day be introduced into the wild where it would outbreed natural mosquitoes and reduce the spread of malaria.

馬里蘭Baltimore的約翰霍普金斯大學(xué)的Mauro Marrelli博士所領(lǐng)導(dǎo)的科學(xué)家們說轉(zhuǎn)基因的抗瘧疾蚊子最終會被放回自然国产日韩成人香蕉软件，在那里可以同野生蚊子進(jìn)行遠(yuǎn)系繁殖從而減少瘧疾的傳播。