When insects bite genetically modified Bt corn and cotton, they get a mouthful of a built-in toxin, produced by every cell of the plant.
当昆虫叮咬基因改造后的Bt菌玉米，他们叮咬的其实是满口的内置毒素，植物的每一个细胞都会产生这样的毒素。
Tests showed increased levels of toxin in shellfish.
测试表明贝类中的毒素级别上升了。
In polluted environments, dolphins gradually accumulated toxins in their body fat, and the larger the dolphin, the more accumulated toxin it can tolerate.
在被污染的环境中，海豚体内的脂肪会逐渐积聚毒素。海豚的体型越大，它所能承受的毒素就越多。
The sensitivity of the test meets WHO standards for detecting the toxin in drinking water.
这种测试的灵敏度满足了世界卫生组织探测饮用水毒物的标准。
And researchers have learned that mice can respond really differently than humans do to a drug, an environmental toxin or a change in nutrition.
而研究人员已经知道，对于药物，环境毒素，或营养的变化，老鼠的回应可以是完全不同于人类的。
Case Study: This toxin was used in the movie the Serpent and the Rainbow to slow the respiration of the victim so that it appeared as if he was dead.
案例：在电影《蛇与彩虹》中这种毒素被用于减缓演员的呼吸，以便使其看上去像是已经死亡。
Mutations have altered the snake's receptor in such a way that, because the toxin cannot bind to the receptor, the acetylcholine function is undisturbed.
基因突变改变了这种蛇的受体，使得毒素无法致盲受体，乙酰胆碱的功能亦未受影响。
In cases where the plankton mysteriously began making low levels of the toxin in clean water, adding urea nearly doubled production.
在清水中，浮游生物会产生低量有毒物质，但是加入尿素后毒素增加了两倍。
Mr Moore has found that bathing the genetic material with a substance called okadaic acid (a toxin that occurs in mussels) enables Ph1 to be switched on and off.
摩尔先生发现，把遗传物质浸泡在一种叫做冈田酸（一种毒素，贻贝中发现的）的物质中，Ph1染色体可以旋开旋闭。
Lead is a systemic toxin that affects nearly every organ system in the body.
铅是一种内吸收毒物，能影响几乎全身的所有器官组织。
By blocking the release of a chemical messenger in the brain, the toxin stops muscles from contracting.
这种毒素阻止大脑释放一种化学信号，从而抑制肌肉收缩。
The toxin from tobacco black death disease pathogen was produced to wilt tobacco seedlings in the maltose liquid medium.
烟草低头黑病菌在麦芽糖液体培养基中能产生对烟草的致萎毒素。
The medicine man is a biological toxin production, research and drug development in one of the bio-pharmaceutical companies.
人本药业是集生物毒素生产、研究、药物开发于一体的生物制药企业。
In 1997, when Botox was still botulinum toxin and to be avoided, doctors performed just 2.1 million cosmetic procedures.
1997年，当保妥适(botox)仅仅以肉毒杆菌被人们所认识并在手术中被禁用时，仅有210万例手术得以完成。
These symptoms have mostly been reported in children with cerebral palsy being treated with botulinum toxin for muscle spasticity, a use of the drugs that has not been approved by FDA.
上述症状的报道大部分见于接受肉毒毒素治疗肌肉痉挛的脑性瘫痪儿童，但肉毒毒素的这一治疗用途未经FDA批准。
The study abstract fails to mention that botulinum toxin was not more effective than placebo in reducing the percentage of the day with headache or the average usual severity of headache.
这个研究摘要没有提到肉毒素在减少头痛日的百分比或者平均头痛的严重程度方面并不比空白有效。
By disrupting brain activity, the toxin in turn alters psychological processes supported by these neurons, notably cognitive control.
通过破坏脑活动，这些毒素反过来改变被这些神经元支配的心理过程，特别是认知。
Objective: to present the cosmetic use of botulinum a toxin in treatment of dynamic facial lines.
目的：观察A型肉毒素治疗面部皱纹的美容效果。
Botulinum toxin at any dose was not more effective than placebo in terms of the number of headache-free days.
在头痛缓解期间，任何剂量肉毒素的治疗并不比空白对照组效果好。
Precision filter, namely core filter, can further remove the suspended solids and other impurity in the water, it is made of micro hole chinaware, micro hole non-toxin plastic and cell pipe core.
精密过滤器也称保安过滤器，能进一步去除水中悬浮颗粒及其它杂质，它采用微孔陶瓷、微孔无毒塑料、蜂房式管状滤芯。
The FBI searches a house in Utah linked to the discovery of a deadly toxin ricin in a Las Vegas motel.
该房子与（警方）在拉斯维加州一家汽车旅馆中发现致命蓖麻毒素（一案）有关联。
The FBI searches a house in Utah linked to the discovery of a deadly toxin ricin in a Las Vegas motel.
该房子与（警方）在拉斯维加州一家汽车旅馆中发现致命蓖麻毒素（一案）有关联。
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