幸运的是,滴滴涕如今已经不再使用。
在美国,一种叫做滴滴涕的杀虫剂正在伤害隼卵。
In America, a pesticide, a chemical, called DDT was harming the falcon eggs.
几秒钟后,这只猴子给其他滴滴涕!
在水中滴滴涕分子趋向于向水面移动。
世卫组织支持使用滴滴涕进行室内残留喷洒。
WHO put its authority behind the use of DDT for indoor residual spraying.
它将容易让人想起曾令人关注的滴滴涕教训。
It would be tempting to think that the lessons of DDT have been heeded.
在土壤中滴滴涕降解的途径还没有充分调查。
The pathway of DDT degradation in soil has not been fully ascertained.
在某些情况下,滴滴涕有效期可以长达9 - 12个月。
1873年,化学物质滴滴涕(DDT)首次合成。
然而在那时没有人知道,滴滴涕有富集性,稳定性并且破坏环境。
What was not known at the time, however, was DDT’s propensity to accumulate, persist and damage the environment.
其他城市相比,土壤中滴滴涕和六六六的残留量较低。
The residual amounts of HCHs and DDTs in soil of Lanzhou area are lower compared with that of other cities.
印度过去能有效将滴滴涕用于室内残留喷洒已显著减少疟疾病例和死亡人数。
In the past, India was able to use DDT effectively in indoor residual spraying to cut dramatically the number of malaria cases and fatalities.
蚊虫对包括滴滴涕和拟除虫菊酯等杀虫剂的耐药力越来越强,特别是在非洲。
An increasing mosquito resistance to insecticides, including DDT and pyrethroids, particularly in Africa; and.
在世卫组织已批准的可安全用于室内喷洒的十几种杀虫剂中,最有效的是滴滴涕。
Of the dozen insecticides WHO has approved as safe for house spraying, the most effective is DDT.
目的:探讨甲氧滴滴涕(MXC)对绒毛外滋养细胞侵袭能力的影响。
Objective: To observe the effect of methoxychlor (MXC) on the invasiveness of extravillous trophoblast in vitro.
介绍了气相色谱法测定大米中六六六、滴滴涕残留量的不确定度评定方法。
In this paper, the gas chromatography method is presented for the evaluation of uncertainty to determine HCH and DDT residues in rice.
甲氧滴滴涕是滴滴涕的结构类似物和替代物,是农药内分泌干扰物的一种。
Methoxychlor is a DDT substitute and one of endocrine-disrupting chemicals which heavily pollutes the environment.
介绍了气相色谱法测定植物油中六六六、滴滴涕残留量的不确定度评定方法。
The uncertainty evaluation during determining HCH and DDT residues in edible vegetable oils by gas chromatography is introduced.
用微波萃取和GC -ECD联用技术,对土壤中六六六、滴滴涕进行了分析。
Technique of microwave extraction and GC-ECD was used to analyze hexachlorocyclohexane BHC and DDT in soil.
室内残留喷洒已证明如同其它疟疾预防措施一样经济有效,并且滴滴涕在正确使用时无健康风险。
IRS has proven to be just as cost effective as other malaria prevention measures, and DDT presents no health risk when used properly.
世卫组织于今年9月宣布,室内喷洒滴滴涕和其它杀虫剂将再次在其抗击疟疾的努力中发挥重要作用。
In September, WHO announced that indoor spraying with DDT and other insecticides would once again play a major role in its efforts to fight the disease.
1948年的10月28日,瑞士化学家保罗·穆勒因发现滴滴涕的杀虫效用而被授予诺贝尔化学奖。
October 28, 1948, Swiss chemist Paul muller is awarded the Nobel Prize in Chemistry for his discovery of the insecticidal properties of DDT.
结论现场品系对3种杀虫剂均产生了不同程度的抗性,但滴滴涕的抗性指数接近于正常品系。
Conclusion the tested wild strains had resistances to all 3 kinds of insecticides but their resistance factors to DDT were close to the normal strain.
自那时以来,广泛的研究和试验已证明妥善管理的使用滴滴涕室内喷洒规划对野生动植物或人类不造成危害。
Extensive research and testing has since demonstrated that well-managed indoor residual spraying programmes using DDT pose no harm to wildlife or to humans.
但是上世纪食物的巨大需求导致化学合成农药在世界范围内大量使用,尤其是滴滴涕和类似的农药问世以后。
But a growing demand for food drove a global shift to synthetic pesticides last century, especially once DDT and similar insecticides hit the market.
南非再次重新将滴滴涕用于室内残留喷洒,将疟疾病例和死亡人数保持在创记录的低水平并向着消灭疟疾前进。
South Africa has again re-introduced DDT for indoor residual spraying to keep malaria case and fatality Numbers at all-time low levels and move towards malaria elimination.
土壤中滴滴涕残留量偏高,是由于防治红蜘蛛时施用三氯杀螨醇,而三氯杀螨醇原药中含有滴滴涕所致。
The residue of DDT in soil is rather high due to the application of the pesticide Kelthane to prevent and kill red spider on the wheat field and the pesticide Kelthane contains DDT.
土壤中滴滴涕残留量偏高,是由于防治红蜘蛛时施用三氯杀螨醇,而三氯杀螨醇原药中含有滴滴涕所致。
The residue of DDT in soil is rather high due to the application of the pesticide Kelthane to prevent and kill red spider on the wheat field and the pesticide Kelthane contains DDT.
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