一种有助于中和水稻铝毒性的基因已经被鉴定出来。
A gene that helps neutralize aluminum toxicity in rice has been identified.
“我们攀谈的大部分采集者都表达了对毒性的关注。”波说。
"Most of the foragers we have talked to are expressing concerns about toxicity," Poe said.
全球气候变化同样对科学家研究毒性的传统方法发出了挑战。
Climate change is also set to challenge scientists' methods for studying toxicity.
因此，任何记录在案的或疑似存在的新药物毒性的容许阈值都较低。
Consequently, the tolerance threshold for any documented or suspected toxicities for new agents is low.
在拳王童年家乡附近，当地卫生部门已清理了有毒性的土壤，建造了社区花园。
Near the boxer's childhood home, the local sanitation department has cleaned the soil of toxins for the creation of a community garden.
这最有可能是因为致病因素的消失，毒性的改变或者对其抵抗力的增加。
This was most likely due to disappearance of triggers, changes in their virulence, or increased resistance against them.
康普茶的钟情者都称它是神奇滋补药，而有些营养专家警告，它对免疫系统衰弱的人来说极可能是有毒性的。
Kombucha lovers call it a wonder tonic, while some nutrition experts warn that too much can be toxic for people with weak immune systems.
它也可能用作紫杉醇和其他类似抗癌药物的添加剂，以便在不增加毒性的前提下提高杀死肿瘤细胞的效率。
It is also possible that it could be used as an addition to taxol and other similar drugs to increase effective killing of tumor cells without increased toxicity.
现在，研究人员声称他们已经弄清了不同类型的箱形水母之间的进化关系，从而为其毒性的进化提供了认识。
Researchers now say they have determined the evolutionary relationships among the various species of box jellyfish, providing insight into the evolution of their toxicity.
它使人们采取生活方式方面的预防措施，以保护肝脏免受额外伤害，特别是通过戒酒和停止使用具有肝脏毒性的某些药物。
It allows lifestyle precautions to be undertaken to protect the liver from additional harm, specifically, by eliminating alcohol and certain drugs which are toxic to the liver.
90年代联邦和州级管理部门同意由各州尽可能统一限制五大湖最具毒性的污染源；国会现正讨论一项促进各州进一步合作的提案。
In the 1990s federal and state regulators agreed to make state limits more uniform for the Great Lakes' most toxic pollutants; Congress is now considering a bill to promote further collaboration.
海面上的赤潮对水里的动物和游泳的人来说都是有毒性的，赤潮藻还会在海面上留下一层难看的绿色浮渣，不但污染了供人旅游的海岸，还遮挡了海草的光线，使其不能生长。
The algal blooms, which can be toxic to animals and human swimmers, leave behind an ugly layer of green scum that fouls tourist beaches and starves seaweeds of light.
半数受害者都已住院，如此高的住院率表明这可能是一种毒性特别强的大肠杆菌菌株。
Half of the victims have been hospitalised, a high rate that may indicate an especially virulent strain of E. coli.
经研究未发现迹象说明病毒已突变为更具毒性或更致命的形式。
Studies have detected no signs that the virus has mutated to a more virulent or lethal form.
这是一种由青霉真菌产生的天然化合物，对细菌具有毒性，但可以安全地用于人类。
This natural compound, produced by the Penicillium fungus, was found to be toxic to bacteria, but safe for use in humans.
较旧的生产技术往往继续产生毒性废物，这些废物在最初采用时没有受到管制。
Older production technologies often continue to generate toxic wastes that were not regulated when the technology was first adopted.
依氟鸟氨酸：该分子比美拉胂醇的毒性略小，于1990年获得注册。
Eflornithine: this molecule, less toxic than melarsoprol, was registered in 1990.
它需要用药治疗两年，药品的毒性不仅更大，而且会昂贵100倍。
It can take two years to treat with drugs that are more toxic, and 100 times more expensive.
建议使用毒性更小但效果相同的齐多夫定(AZT)或泰诺·福韦(TDF)作为替代品。
Zidovudine (AZT) or Tenofovir (TDF) are recommended as less toxic and equally effective alternatives.
作为一种生存机制，其它微生物产生出抵御抗菌素毒性作用的机制。
As a survival mechanism, other microbes have developed mechanisms for resisting the toxic effect of antimicrobials.
由于具有一定的毒性(特别是过敏型反应)，这两种治疗方案往往需要进行调整。
With both of these regimens, toxicity (notably allergic-type reactions) often requires changes in therapy.
而后者是药品研究人员特别感兴趣的，因为药物毒性往往出现在肝脏。
The latter are of particular interest to pharmaceutical researchers, since drug toxicity often shows up in the liver.
尽管与近亲黑寡妇蛛相比它们的毒性不算什么，但这些小家伙也不是好惹的。
Although nowhere near as toxic as their close cousins, the black widow, these little chaps are still not to be messed with.
最近几天，对H1N 1流感病毒的基因测序分析表明，这种病毒的毒性不像之前所认为的那样致命。
In recent days, genetic sequencing analyses of this flu have suggested it is not as virulent as suspected.
根据一个环保和公共利益研究机构的报告，许多含有毒性化学物质的危险儿童玩具，仍旧可以在美国商店里看到。
Dangerous toys - many containing toxic chemicals - are still being found in U. S. stores according to an environmental and public interest research group.
所罗门说：“从原油中挥发出来的化学成分毒性很强。”
"The chemicals that evaporate off of the oil are quite toxic," says Solomon.
所罗门说：“从原油中挥发出来的化学成分毒性很强。”
"The chemicals that evaporate off of the oil are quite toxic," says Solomon.
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