在某些情况下，我们已列出了含有类似价值的维生素和矿物质的安全替代品。
In some cases, we \ 've listed safer alternatives that contain similar valuable vitamins and minerals.
但市场上还有成千上万种化学物质，而对这些物质的安全性却很少、甚至从来没有进行过检查。
"But there are tens of thousands of chemicals on the market for which there has been little or no safety testing," she said.
认识到保障核材料安全的措施亦可用于保障放射性物质的安全，并鼓励采取措施保障此类物质的安全。
Recognize that measures contributing to nuclear material security have value in relation to the security of radioactive substances and encourage efforts to secure those materials as well. 12.
不仅仅因为纳米微粒以独特新颖的方式发生反应，而且人们还尚未完全了解纳米物质的安全性。因此，一些科学家认为应开展更为深入的研究，并且可能出台更多的规范措施。
Nor is the general safety of nanoparticles fully understood, not least because they can react in novel ways. Some scientists think more research is needed and perhaps more regulation too.
另一方面，感热的储存允许温度有一定的灵活性。此外，水和大多数岩石等安全物质具有较大的感热容。
The storage of sensible heat, on the other hand, allows flexibility as to temperature; in addition, safe substances like water and most rocks have large sensible heat capacities.
完成美国有毒物质控制法规定的所有标准安全检测，不过不是在动物身上，是在人身上。
Perform all the standard safety tests required by the Toxic Substances Control Act on humans instead of animals.
布希柏格教授说，移除表层土壤可以保证土地的使用安全，但这取决于放射性物质渗入的深度。
Professor Bushberg says removing the topsoil might make the land safe for use. But it depends on the depth of the radioactive material.
对于不可避免的有毒物质，要设定安全耐受性限度。
Providing that safe tolerances be set for unavoidable poisonous substances.
居住在伦敦的叛逃俄罗斯安全情报官员亚历山大·利特维年科在2006年被一种稀有辐射性物质钚投毒暗杀。
Alexander Litvinenko, a renegade Russian security officer living in London, was killed by poisoning with polonium, a rare radioactive substance, in 2006.
我们确有掌握自己生活的能力，不再依赖物质和他人来维护自己的自尊和安全。
We affirm that we have the power to take charge of our own lives and to stop being dependent on substances or other people for our self-esteem or our security.
该美国委员会同样考查了超过五百份关于阿斯巴甜的研究，推断出这种物质是安全的。
The U.S. panel also reviewed more than 500 aspartame studies and concluded the substance is safe.
水床（水中添加的杀菌剂或在乙烯基塑料中的化学物质可能使水不能安全地使用）
Water beds (fungicides added to the water or chemicals in the vinyl may make water unsafe for use)
这些食品添加剂有些根本就不是食物，只是一些被普遍认为是安全的化学物质。
Some of these food additives are not foods at all, but are chemicals that are generally recognized as safe.
被检出物质——高氯酸盐，美国环保署认为它的含量在安全范围内，但是一些人士担心，公共健康处在危险之中。
While the levels of the chemical, perchlorate, have been deemed safe by the Environmental Protection Agency, some worry public health is at risk.
EWG担心的是其余那些没有联邦强制性安全标准制约的化学物质公众长期饮用被后可能会产生混合毒性。
EWG frets that the remaining chemicals, which have no mandatory federal safety standards, can come in potentially toxic combinations for long-term consumption.
但是他表示，了解这些物质的干扰作用仍需时日，因为一直以来，人们都是对高含量有害物质的风险进行安全性研究，而不是针对低含量的物质。
This disruptive effect has not been fully appreciated, he argues, because safety trials on these substances have concentrated on the risks posed by high concentrations rather than low ones.
但那些英国的饮茶人士还算走运，普鲁士蓝是一种化合物分子，它在人体中几乎没可能释放出氰根离子。所以这种物质最终将安全无害的从人体中排出。
Fortunately for the tea drinkers of Britain, Prussian blue is a complex molecule, so it is almost impossible to release the cyanide ion from it and the poison passes harmlessly through the body.
研究员依据六项指标对各国进行了评级：物质满足感；住房与环境；教育的完善程度；健康与安全；危险行为；学校生活的质量。
Researchers ranked countries on variables in six categories: material well-being; housing and environment; educational well-being; health and safety; risky behaviour; and quality of school life.
没有任何一颗粒子泄漏放射性物质——这是燃料安全性的一个有力证据。
Not a single particle leaked radioactive material-strong evidence of the fuel's safety.
研究人员警告复合维生素，矿物质和其他食品强化剂会把我们陷入错误的安全感——导致他们过分沉迷于不健康食品和活动。
Researchers have warned that multivitamins, minerals and other dietary supplements can lull users into a false sense of security - and lead to them over-indulging in unhealthy foods and activities.
FDA在《联邦公报》中发表《通常被认为是安全的物质》(GRAS)的第一批清单。该清单收载近200种物质。
FDA publishes in the Federal Register the first list of substances generally recognized as safe (GRAS). The list contains nearly 200 substances.
人们对于这项法案的批评是，这项法案假设一种化学物质是安全的，直到它被证明具有毒性。
People's criticism of that law is that it has tended to treat chemicals as safe until proven to be dangerous.
研究人员警告称，冻结在极地区域的毒素数量不明，而这些有毒物质的释放会对地球环境以及人类自身安全造成极大威胁。
The researchers warn that the amount of the poisons in the polar region is unknown and their release could "undermine global efforts to reduce environmental and human exposure to them".
几项结果显示，如今的女性是利他主义和物质主义、虚荣与不安全、忠诚与自私的复杂结合。
As shown in several results, women today are a complex combination of altruistic and materialistic, vain and insecure, loyal and self-serving.
双酚a，在许多塑料产品中常用的一种物质，现在已经被加拿大写在有毒物质的清单上了，但是，在美国，它仍然被认为是安全的。
Bisphenol a, a common compound found in many plastics, has been listed as a toxic substance in Canada but is still deemed safe in the U.S..
他戴着塑胶手套以防止颜料里的有害物质；一些画家会宁可选择旧的有毒溶剂而不是新的更安全的材料。
He is wearing plastic gloves to protect himself from the toxic chemicals in the paint; some painters prefer the old, poisonous solvents and pigments to the new healthier materials.
这种物质最终安全的储存在树鼩的皮毛当中，其饮酒量相当于人类中的酒鬼。
The stuff ends up safely stashed in the shrews' fur, at levels normally found only in severely alcoholic humans.
消费者被一次次的告知，鱼类是安全的，富含健康的瘦蛋白和脂肪酸，但是这些健康物质能够有中毒危险吗？
Time and time again, consumers are told that fish is a safe, healthy source of lean protein and fatty acids, but do the health benefits outweigh the toxin risk?
消费者被一次次的告知，鱼类是安全的，富含健康的瘦蛋白和脂肪酸，但是这些健康物质能够有中毒危险吗？
Time and time again, consumers are told that fish is a safe, healthy source of lean protein and fatty acids, but do the health benefits outweigh the toxin risk?
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