Tests showed increased levels of toxin in shellfish.
测试表明贝类中的毒素级别上升了。
Other mammals, such as the platypus and some shrews, are venomous, meaning they produce a toxin internally .
其他哺乳动物如鸭嘴兽和一些鼩鼱是有毒的，这意味着它们会在体内产生一种毒素。
Postmortem analysis showed the presence of an as yet unidentified virus, as well as evidence of a known bacterial toxin.
尸检分析显示存在一种尚未识别的病毒，以及一种已知细菌毒素的证据。
Although both viruses and bacterial toxins can kill seals, it is more likely that these deaths were the result of the bacterial toxin.
因此，尽管病毒和细菌毒素都能杀死海豹，但这些死亡更有可能是细菌毒素造成的。
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。
"It was a toxin that was poisoning the family," says Robert Rector, a welfare-reform policy analyst.
“这就是当时在毒害家庭的毒药。”福利改革政策分析师罗伯特·雷克特说。
Latrunculin is a toxin produced by sponges.
拉春库林是一种由海绵产生的毒素。
The elementary properties of crude extract of the toxin produced by mycoparasite of Cronartium ribicola are studied.
对生柱锈菌上的真菌寄生物产生的粗毒素的基本性质进行研究。
The objective is to test various biochemistrical characteristics, toxin and drug resistance of the Corynebacterium diphtheriae.
目的是要测试白喉棒状杆菌的各种生物化学特性、毒素和耐药性。
To set a thief to catch a thief, that is what we call “to counteract one toxin with another”.
叫小偷去抓小偷，这就叫 “以毒攻毒”。
Each frog produces enough of the toxin to kill 10 humans.
一只毒镖蛙产生的毒素足以使10个人毙命。
The algae of concern is pseudo-nitschia, which produces a toxin called domoic acid.
引起人们忧虑的藻类学名叫伪菱形藻(pseudo-nitschia)，这种藻类能够产生一种名为软骨藻酸的毒物。
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。
Over about two weeks, the toxin killed about 80 percent of the cells that harbored that gene.
两个星期后，毒素杀死了白鼠脊髓内约百分之八十包含此基因的细胞。
Dr Nochi's mice really were protected. When he fed them cholera toxin, they did not get sick.
Nochi博士的老鼠在实验中得到了保护，当喂食它们霍乱毒素后，它们并没有染病。
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, favoured by some celebrities as a wrinkle remover, relaxes jaw muscles and may reduce grinding.
肉毒素通常是那些社会名流用来进行除皱的，也可以放松下颌肌肉，或有可能减轻磨牙症状。
Now it's less than a tenth of that size. Left behind are 15, 000 square miles of salty, toxin-laden lake bed.
如今，它的面积已经不到原来的十分之一，只留下一万五千平方英里含盐和毒素的湖床。
The toxin particles block receptors on nerve endings, silencing the nerves and paralyzing surrounding muscles.
该毒素的颗粒会阻碍神经末梢上受体的活动、抑制神经冲动进而导致周边肌肉群麻痹。
To test the theory, psychologists reached for the botox. They used the toxin to _deaden_ the muscles that control frowning.
为测试这项理论，心理学家把目光转向了肉毒杆菌，他们用这种毒素使控制皱眉的肌肉麻痹无力。
But is there enough evidence to support treating chronic migraine sufferers with regular shots of the toxin around the head and neck?
不过，是否有足够的证据证明慢性偏头痛患者定期在头颈部位注射肉毒杆菌素有助于治疗头疼呢？
foods that contain pathogenic parasites, microorganisms or an amount of microbial toxin exceeding the tolerance prescribed by the State;
含有致病性寄生虫、微生物的，或者微生物毒素含量超过国家限定标准的；
foods that contain pathogenic parasites, microorganisms or an amount of microbial toxin exceeding the tolerance prescribed by the State;
含有致病性寄生虫、微生物的，或者微生物毒素含量超过国家限定标准的；
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