查询词典 nymphae

The pathogenicity of Tetranychus cinnabarinus was studied by using BtR05 strain. Its acaricidal activity was confirmed to prepare BtR05 suspending agent (BtR05 SC). This suspending agent was used to make the indoor toxicity test on the young, nymphae and adult T.

方法］使用BtR05菌株对朱砂叶螨进行致病性研究，确定其杀螨活性后，制备了BtR05悬浮剂，并使用该悬浮剂对朱砂叶螨的幼螨、若螨和成螨进行了室内毒力测定。

The preventing and controlling best time in the nymphae time,Dactylopius confusus\'s nymphae time in the end of February and at the beginning of March,is generally good in this time preventing and controlling effect,simultaneously must pay attention to each medicament to gather the theory with and mixes uses,delays its antibiotic production.

防治的最佳时期一般在若虫期，胭(来源：5cABC论文网www.abclunwen.com)脂虫的若虫期在2月底3月初，在此时期防治效果较好，同时要注意各种药剂的合理轮用及混用，以延缓其抗药性的产生。来源：A0424B42C论文网www.abclunwen.com

Demonstrated by five medicament to 1st age nymphae and prosopon\'s toxicity comparison result that,five medicament obviously are higher than 2~age nymphaes and the prosopon to 1~age nymphae\'s toxicity,explained the Dactylopius confusus along with stadium enlargement,it bears the medicine degree also gradually to enhance, therefore,should prevent and control as soon as possible.

由五种药剂对胭脂虫一龄若虫和成虫的毒力比较结果显示，五种药剂对一龄若虫的毒力均明显高于二龄若虫和成虫，说明胭脂虫随着龄期的增大，其耐药程度也逐步提高，因此，应尽早防治。

Medicament to Dactylopius confusustoxicity mensurationFive medicament to Dactylopius confusus1~age nymphae,2_age nymphaes,the female prosopon\'s toxicity mensuration,the result indicated that,These five medicament are consistent to various insects\' condition toxicity size order.10% Imidacloprid has the highest toxicity tovarious insects\' instar,other are in turn 36% Cypemethrin,48%Chlopyrifos,4.5%Beta-cypermethrin,1.8%Avermectin toxicity is lowest.

药剂对胭脂虫毒力测定五种药剂对胭脂虫一龄若虫、二龄若虫、雌成虫的毒力测定结果表明：这五种药剂对各虫态的毒力大小顺序一致。其中10%吡虫啉对胭脂虫各虫态的毒力最高，其它依次为36%马拉硫磷、48%毒死蜱、4.5%高效氯氰菊酯、1.8%阿维菌素的毒力最低。

There were many adults and nymphae of psocids when the temperature over 15℃ and almost nil under 5～2℃.

在粮温15℃以上时，可以检测到较多的书虱成虫，当粮温降到5~2℃左右时，检测到的书虱密度几乎为0。

The results showed that there was no significant difference in the number of adults, nymphae and eggs of E. vitis in all directions of tea trees.

结果表明：假眼小绿叶蝉在茶树各水平方位上的成若虫和卵粒数量差异均不显著；在垂直分布上以上部虫量居多，下部较少。

There were two types for sensilla trichodea. Some bohm bristles formed sensilla cluste r on antenna of nymphae

其中毛形感器有2个类型，若虫触角上的部分蒲姆氏鬃毛组合成弧形感觉簇。

The mineral oil pesticide diluted at 100 and 200 times all had significant lethal effect on L.imitate nymphae, and would not produce the phytotoxicity on longan, so that could be used as medicament for controlling L.imitate of longan.

结论］矿物油杀虫剂100和200倍液对白蛾蜡蝉若虫均有明显的致死作用，且对龙眼不产生药害，可作为防治龙眼白蛾蜡蝉的药剂。

Second generation lar-vae and nymphae are fed to healthy donkey,after larvae and nymphae are engorged anddropped,they were also put in incubator to moult.

再将次代幼虫和若虫饲喂在健康驴体上，待饱血脱落后仍置培育箱中蜕化。观察了各发育阶段蜱的血淋巴、肠管、唾液腺以及卵内驽巴贝斯虫的发育形态。

To study the lethal effect of high power near infrared diode laser on Locust Nymphae. Oedaleus asiaticus B. Bienko Nymphae that are the third age or before the third age and after the third age were irradiated aiming at the head in different time and power density by the power of 2W and the wavelength of 808nm diode laser. The death-ratio was observed especially after irradiation, five hours after irradiation and 20 o clock the next day after irradiation.

为研究大功率近红外半导体激光对蝗蝻的致死作用，选择采用功率2W、波长808nm的半导体激光器，针对三龄及以前龄期和三龄期后亚洲小车蝗蝻虫分组试验，激光束对准蝗蝻头部位置，进行不同功率密度、不同时间的照射试验，分别观察照射后即刻、照射后5小时和照射后次日蝗蝻的致死率。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。