在研究这些疾病爆发的过程中，科学家们发现受影响的树木会向树叶中释放以酚类物质为主的有毒化学物质进行反击。
In studying these outbreaks, scientists have discovered that affected trees fight back by releasing toxic chemicals, mainly phenols, into their foliage.
Kim说，虽然那些微生物可以把海洋里的化学物质转化为它们的食物，但是像片脚类这样的动物不能。
While some microbes can make their own food out of chemicals in the ocean, complex life like the amphipod can't, Kim said.
科学家发现咖啡里面的咖啡因和阿司匹林类的解热镇痛抗炎药成分能够对抗酒精或酒类饮料产生的化学物质。
They found the caffeine in coffee and the anti-inflammatory ingredients of aspirin and other painkillers reacted against the chemical compounds of ethanol, or pure alcohol.
一旦疼痛记录保持20到40分钟时，身体就会开始产生沉迷依赖类的化学物质以减轻疼痛感。
Once pain has been registered for 20-40 minutes, the body will begin to produce opiate-like chemicals to reduce pain sensation.
研究表明，阿片类物质可能作为一种非常重要的化学物质，帮助人类大脑区别陌生人以及关系亲密的人，诸如朋友、家人和恋人。
The findings suggest that opioids might be the critical chemicals that enables human brains to distinguish between strangers and people who are closer to us, such as friends, families and lovers.
油漆稀释剂，一种比涂料稀释剂溶解力更高的(稀释剂)，(所以)是一种有害物质。它通常包含有类如甲醇和正乙烷的化学物质。
Lacquer thinner, which has a higher solvency than paint thinner and is therefore a harsher substance, often contains chemicals such as methanol and hexane.
他表示，这些化学物质可能包括喂养家畜的生长激素，但是也可能包含类似邻苯二甲酸盐一类，用于制造塑料和其他产品的化学物质。
He says these chemicals could include growth hormones fed to farm animals, but they could also include chemicals such as phthalates. These are used to makes some kinds of plastics and other products.
激素是一类对机体功能起调节作用的化学物质，在农牧业、医药业等行业有着广泛的应用。
Hormones are chemicals, which can adjust the body's function. They are widely used in agriculture, pharmaceutical and other industries.
目前，已经列入环境激素的化学类物质有70多种，这70多种化学物质已经严重威胁到环境与健康安全问题。
So far, there are already 70 kinds included the environmental hormone chemistry, this 70 many kinds of chemical substance have already seriously threaten the environment and health security.
生物毒素是一类具有重要军事和生物医学应用价值的生物源化学物质。
Biotoxins as a sort of chemical compounds of biological origin play a very important role in military and biomedical fields.
这一令人鼓舞的消息源于这样一个发现：较低的白蜡树枯梢病易感性与较低水平的植物化学物质“环烯醚萜苷类”(iridoid glycosides)之间存在关联。
The encouraging news comes from the discovery of a link between reduced susceptibility to ash dieback and lower levels of plant chemicals called iridoid glycosides.
研究人员从热带一种薄荷类植物中发现的化学物质对缺乏阳光照射的皮革以及实验室隔绝阳光的“白皮”鼠都有作用。
Researchers have found a chemical from a tropical mint plant that works both as a sunless tanner and as a solar shield in fair-skinned mice.
内分泌干扰物是一类能够影响人类和动物生殖发育的化学物质。
Endocrine disrupting chemicals (EDCs) are a group of compounds, which can affect human and animal reproduction and development.
美国一项最新研究显示，在食品包装材料、纸张和纺织品中常用的一类被称作全氟烷基化合物的化学物质会影响人体血液中胆固醇水平。
United States, a new study shows in food packaging materials, paper and textiles in common use in the class of compounds called whole fluorine alkyl chemicals affect human blood cholesterol level.
这些治疗方法中有些能阻止一类叫生长因子的化学物质接触肿瘤，即阻止有可能使细胞生长失控的信号。
Some of these therapies prevent a class of chemicals called growth factors from reaching a tumor, blocking signals that would otherwise instruct the cell to grow out of control.
同时，经常接触化学物质的人也容易发病，特别是接触含苯类物质。
At the same time, regular exposure to chemical substances also morbidity, in particular, benzene exposure to substances.
绿茶富含多元酚类，后者是给予绿茶苦涩味道的植物化学物质，具有强效的抗氧化特性。
Green tea is chock-full of polyphenols, phytochemicals with potent antioxidant properties that give green tea its bitter flavor.
这层屏障仅允许胺类气体通过，指示剂中的化学物质无法通过。
This barrier is only permeable to gaseous amines. The indicator chemicals cannot pass through, "Hezinger explains."
这层屏障仅允许胺类气体通过，指示剂中的化学物质无法通过。
This barrier is only permeable to gaseous amines. The indicator chemicals cannot pass through, "Hezinger explains."
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