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A new trick using Trichogramma brassicae asvectors to transmit Dendrolimus punctatus cypovirus was developed (called"Biological missiles Dp-Ⅰ") to control the Dendrolimus punctatus in the field. Sincethen, we collect the single caterpillar from both areas used Dp-Ⅰand controlled areasevery year, and A nested-PCR-based assay for the detection of those samples wasdeveloped, The results showed that the positive reaction rate of the first year is 40~70%; and second year is 30~80%, on the other hand, the positive reaction rate of thecontrolled areas are 10~40%and 10~20%.

第二章对马尾松毛虫质型多角体病毒的流行病做了初步的调查,应用巢式RT-PCR方法检测从野外释放&生物导弹Dp-Ⅰ&的林区采集马尾松毛虫单虫样本,结果发现:2006年释放&生物导弹Dp-Ⅰ&的王福店林区的松毛虫体内DpCPV阳性率为40~70%,平均阳性率为58%,相应对照区的阳性率为10~40%,平均阳性率为24%;2005年释放&生物导弹Dp-Ⅰ&的丁家畈林区松毛虫体内DpCPV阳性率为30~80%,平均值也为58%,相应对照区的阳性率为10~20%,平均值为16%。

While I am on the way to the twin falls, Georgie walks to me and inform that she is leaving for Paia now. Oh! Yeah! I would like to go Paia contrast to Twin falls. As Usual, she drives to my destination and drop me off. This time, I am not only sitting in the coffee shop but also strolling the beach. This beach in Paia is very clean. I don't see any trash on it. Also, there are a few tourists surfing unlike Wakiki beach with hundred tourists although today is Saturday. I even see some ladies do sunbathing. There is something funny but weird for me. Foreigners, American and European, are neither afraid of taking a sunbath in the sunlight nor fitting their bra in the public.

准备要走出农场时Georgie正好要出门到镇上去洽公,这时只想当跟屁虫还管什麼瀑布,这次她一样把我丢在网路咖啡厅就离开,今天我没有单单待在咖啡厅,把包包放下点了杯拿铁坐热椅子后,慢慢沿著海滩方向边散步边欣赏周边风景,要把上次忘记走访给补回来,Paia海滩上的沙是白细沙,虽是周末假期但海滩上的游客并不多,不会有像在Wakiki海滩的那种人山人海的盛况出现,且海滩也很乾净没有见到垃圾的踪迹,阿朵仔果然和东方人非常不同,超级喜欢作日光浴,即使被晒的黑抹抹老了会有斑也不在意照晒不误,像我这个见光死的小白犬只敢戴著帽子全身包的紧紧的站在远处偷偷拍照,这还算是小巫见大巫,阿朵仔让我感到夸张的是连当众乔奶也非常的给它不在意,世风日下哦!

Using a long-term reared housefly population which is very susceptible to pyrethroid insecticides as the susceptible strain, a population collected in 1993 in Shanghai and has been treaded by cyhalothrin as the resistant strain, we bioassayed their susceptibility to organophosphorus, carbamate, pyrethroid and organehloride insecticides. We also investigated the role of metabolic enzymes, i. e. esterase, GST, MFO and of target enzymes, i. e. AChE and 〓-ATPase in resistance to insecticides. Cyhalothrin resistance inheritance, the co-toxicity coefficient of cyhalothrin and methylene dithiocyanate was also studied. The insecticides resistance in adults and larvae of houseflies was compared and the mechanism of resistance differences between adults and larvae was discussed.

本文以采自野外并经过室内多代筛选的三氟氯氰菊酯抗性家蝇品系和室内多年饲养的敏感家蝇品系为试虫,测定了抗性家蝇品系和敏感家蝇品系对拟除虫菊酯杀虫剂三氟氯氰菊酯、氯菊酯、有机磷杀虫剂DDVP、氨基甲酸酯杀虫剂残杀威、有机氧杀虫剂DDT的抗性水平,并通过活体增效剂实验和离体生化实验研究了抗性品系的解毒酶和靶标酶的变化,本文还研究了三氟氯氰菊酯和增效剂I对抗性家蝇的增效作用及增效机理、家蝇幼虫和成虫对杀虫剂的抗性差异及其抗性差异的机理。

The author borrows king's speech,"such base and low incompetent bug"is "in the nature crawls to a ground small poisonous insect mostharmful kind", satirized the English society's aspects; In the thirdvolume, through bored and the absurd scientific research which isengaged in to 拉格 the multi- academies of science public figures,satirized English then pseudo-science; Related forced the skin he theisland the description to criticize England to Ireland's exploitationoppression.

作者借国王的话,&那样一个卑微无能的小虫&是&自然界中爬行于地面的小毒虫最有害的一类&,讽刺了英国社会的方方面面;在第三卷里,通过对拉格多科学院人士所从事的无聊而荒唐的科学研究,讽刺了英国当时的伪科学;有关勒皮他岛的描绘则批评了英国对爱尔兰的剥削压迫。

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推荐网络例句

By using competitive adsorption of activated carbom to remove unfavorable influence of carbon in carbonaceous gold concentrate on leaching process, the leaching rate of gold concentrate can be improved to 88% as compared with 10%by direct cyanidation.

本文论述了利用活性炭竞争吸附作用,消除含炭金精矿中炭在浸出过程中的影响,使金精矿的浸出率可由直接氰化的10%提高到88%。

The only thing you're ever gonna be king of is King of the Stupids!

你只配做傻瓜的国王!

The first thing you're asked to do is to turn off the light.

你要做的第一件事是关掉灯。