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The method was established for purification of diflubenzuron by crystal technique with mixed solvents.

本文论述了利用混合溶剂——结晶法提纯脲的分析

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More and more attention is being paid to their functions in anti-cancer, analgesia, regulating cholesterol level in the human body,preventing atheroma,deinsectization and other aspects.

檬苦素类化合物在抗癌、镇痛、调节内胆固醇水平、防止动脉粥样化和方面的作用,越来越受到人们的重视。

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A new typal insecticide, its generation, physical and chemical properties, insecticidal mechanism, insecticidal characteristic and synthesis of diflubenzuron are introduced.

介绍了新型杀剂──脲的发现、理化性质、杀机理、杀特点及合成方法。

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BBC英语大破解

So, you're doing the measuring to tell you where to go in and then treat.

通过监测,这个系统可以告诉你臭虫所的准确位置,以助除虫

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CNN 精选 2016年8月合集

Use clothing that has permethrin put into it.

要穿上带有合成除虫菊脂的服装。

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精选英语短文

The city has said it will also provide pest control support for small housing units known as jjokbang or gosiwon, which typically measure around 3-6 square meters (30-60 square feet) and house some of Seoul's poorest residents.

首尔市政府表示,将会为考试院等小型住房提供除虫支援,这种房子通常只有3到6平方米,是首尔最穷的一些人居住的地方。

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双语版 TED-Ed 演讲精选

When a non-resistant roach walks on a surface that's been sprayed with a pyrethroid insecticide, for example, the results will likely be fatal.

例如,当无抗药性的蟑喷过拟除虫菊酯杀虫剂的表面上时,其结果很可能是致命的。

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VOA常速英语(视频版)- 2024年合集

Automated harvesting is augmented by Agrobot's Bug Vacuum, which is literally sucking out pests from the bushes without harming the berries or using pesticides.

Agrobot 的除虫吸尘器增强了自动收割的功能,它可以伤害浆果或使用杀虫剂的情况下从灌木丛中吸出害虫。

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哈利波特与凤凰社

Feeling Mrs Weasley's eyes on the back of his head, Harry regretfully closed the drawing-room door and rejoined the Doxy party.

感觉到韦斯莱太太的目光落他的后脑勺上,哈利懊悔的的门关上并重新加入了除虫队伍。

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双语版 TED-Ed 演讲精选

But if a resistant roach is exposed to pyrethroids, it'll be just fine.

但是如果抗药性的蟑接触到除虫菊酯,并会怎样。

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摩登家庭第十季_Modern Family-Season10

Thank you. That was the exterminator.

谢谢,刚才我跟除虫人员说了。

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精选英语短文

Thirty suspected or confirmed infestations have been reported since the end of October, prompting the government to announce a four-week campaign aimed at eradicating the bloodsucking pests.

截至10月底,已有30例疑似或被确认的臭虫感染事件上报,这促使韩国政府宣布了一个为期四周的除虫计划。

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精选英语短文

The government says its campaign will include periodic steam-cleaning of subway seats.

政府表示,除虫活动将包括对地铁座椅进行定期蒸汽清洁。

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摩登家庭第十季_Modern Family-Season10

He is, uh, on his way, but he's gonna have to tent the house for a couple of days.

他马上赶过来,但除虫那几天他得用帐篷房子围起来。

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双语版 TED-Ed 演讲精选

Genetic mutations have given them sodium channels that the pyrethroids can't bind to.

基因突变使它们拥有拟除虫菊酯无法结合的钠通道。

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双语版 TED-Ed 演讲精选

The pyrethroid keeps the sodium channels open, so the nerves fire repeatedly.

除虫菊酯使钠离子通道保持开放,导致神经断反射。

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TED-Ed(视频版)

But if a resistant roach is exposed to pyrethroids, it’ll be just fine.

但如果一只抗性蟑暴露于拟除虫菊酯, 它就会没事。

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经济学人 Science and technology

Pyrethroids, which are the active ingredients in many commercially available insecticide sprays, are safer, but become less effective every year.

除虫菊酯是许多市售杀虫剂喷雾剂中的活性成分,它更安全, 但效果逐年下降。

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老友记Friends 第三季

Green bottle next to the shaving cream. - Oh. Worm medicine for the duck.

刮胡膏旁边那一瓶 –鸭子的除虫药。

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查莉成长日记 第3季

Captain Extermo, sleeping on the couch every night for the rest of his life.

除虫队长 下半辈子每晚都给老娘睡沙发。

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查莉成长日记 第4季

He was the exterminator back home in Hollow Rock.

他本来是我家乡的除虫师。

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人人都爱雷蒙德 第6季

So I was thinkin' we could cancel the exterminator.

所以我想咱们可以 取消除虫公司的协约了。

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科学美国人86篇

It's often easy to control the parasites with cheap treatments. But resources get wasted because deworming programs are targeted at the wrong communities. The atlas should help the eradication fight by letting health officials know just where the problem areas are.

其实用一些价廉的治疗方法就可以很容易控制住这些寄生虫。但是因为" 除虫计划" 搞错了对象,这些药物资源好端端的就浪费掉了。而这些地图集刚好能帮助卫生局高清楚问题地区所,然后将虫虫们斩草除根。

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