这些化学物质和毒素在脂肪组织中生物蓄积并在食物链中生物放大。
These chemicals and toxins bioaccumulate in fatty tissue and biomagnify up the food chain.
热水会打断谷物中淀粉的分子链，将其裂解为一种类似糖的物质，称为麦芽汁。然后经过稀释、煮沸之后，麦芽汁被转移到一个酿造箱中。
The hot water will break down the starch in the grain, turning it into a sugary substance called wort, which is then diluted, boiled, and transferred to a fermentation tank.
染色体是通过缠绕蛋白质而被包装、压缩而成的遗传物质或DNA长链。
Chromosomes are long strands of genetic material or DNA that have been packaged and compressed by wrapping around proteins.
生物化学家将这套系统称之为中心法则(central dogma)：以长链核酸聚合物形式存在的DNA是遗传物质，它储存着每种蛋白质设计的数据记录。
Biochemists call it the central dogma: Genetic material, in the form of a long nucleic acid polymer called DNA, stores a digital record of every protein's design.
他们发现基因中dna单链上的基因单元具有像开关一样的物质，该物质决定了人们的耳垢类型。
They then found that the switch of a single DNA unit in the gene determines whether a person has wet or dry earwax.
塑料成为便宜和毫无价值的同义词，事实上这些碳链化合物理应是地球上最有价值的物质。
Plastic has become synonymous with cheap and worthless, when in fact those chains of hydrocarbons ought to be regarded as among the most valuable substances on the planet.
某种化学物质若不能很快分解而长时间残留，必定会在土壤中聚集、转移，甚至会沿着食物链达到顶端。
The longer a chemical sits outside without breaking down, the more likely it is to accumulate, drift around and even move up the food chain.
如果海洋物种吸收放射颗粒的速度快于排出，放射性物质就能够聚集起来并影响食物链上层的大型动物。
If Marine species take up these radioactive particles faster than they break them down, the radiation can concentrate and affect larger animals that eat them.
在之前的一项长江食物链有毒物质调查中，在鱼类身上能找到许多此类物质。
Many were found in fish during an earlier study of toxins in the Yangtze food chain.
第二种方法也被称作“反应炉裂解法”：利用高温和压力将纤维素生物质转换成长烃链，这种长烃链和汽油、柴油、喷气式发动机燃料相类似。
A second process, called thermochemical pyrolysis, USES high temperatures and pressures to convert cellulosic biomass into long hydrocarbon chains that are similar to gas, diesel or jet fuel.
多氯联苯和六氯苯都是长期存在，并积累在食物链中的污染物，取缔这些物质需要长达数十年的时间。
PCBs and HCB are both long-lived pollutants that accumulate in food chains and take decades to break down.
尽管如此，在食物链中引入一些化学物质还是引发了各种担忧。
Still, introducing modern chemicals into the food chain has raised concerns as well.
碳原子提供了生活物质的主链。
相反地，非洲的这组孩子肠胃菌群中更多的是与消瘦相关的细菌，并且有更高比例的被认为可以产生有益化学物质短链脂肪酸(SCFAs)的细菌。
In contrast, African children had lots of bacterial species associated with leanness, and a higher proportion of microbes known to produce beneficial chemicals called short-chain fatty acids (SCFAs).
同时塑料还吸收了污染物pcbs(多氯联苯)和各种农药，从而给食物链中带来有毒物质。
At the same time, plastics absorb pollutants including PCBs (polychlorinated biphenyls) and pesticides, bringing poisons into the food chain.
中药活性物质还可激活一系列降解酶，对纤维化基质和免疫复合物进行降解，阻断纤维化恶化链。
The Chinese Medicine active Substance also can active series of degrading Enzymes, degrading the Fibrosis Matrix and the Immune Complex, blocking the Fibrosis Deterioration Chain.
提示该活性蛋白属于蛋白酶，可能是细胞增殖信息传递链的组分或是使传递链组分活化的物质。
It suggests that the active proteins may be proteases, and they may be the constituents of cell proliferative information transportation chain or the activators of the constituents.
团队在去年通过从长毛象毛发中提取线粒状基因研究获得了第一次突破。这种线粒状基因物质是从雌性链体上遗传下来。
The team made a first breakthrough last year by using mammoth hair to extract mitochondrial DNA, genetic material that is inherited from the female line.
所研究的特定化学物质在人类污水处理厂污泥中发现，在羊进入人类食物链之前，羊吃草处的污泥分布广泛。
The specific chemicals to be studied are found in human sewage sludge which is frequently spread on fields where sheep graze prior to entering the human food chain.
由丙烯应用能量或所谓的引发剂或活化剂聚合得到的长链聚丙烯成纤物质所生产的纤维的通用名称。
Generic name for a manufactured fiber in which the fiber-forming substance is the long chain polypropylene polymerized from propylene by the application of energy or so-called initiator or activators.
本文对食物链“蒲公英-蝌蚪-鳝鱼”的物质流和能量流作了定量分析。
A quantitative analysis on material and energy flowing of food chain of dandelion-tadpole-mud eel is reported in this paper.
作为重要的遗传物质，DNA为双螺旋结构，组成双螺旋的两条链由嘌呤和嘧啶通过氢键配对联系。
Being as an important hereditary substance, DNA has the double helix, the two bonds composing the double helix are mating and connecting with each other through the purine and the pyrimidine.
艺术是现实世界中唯一能完美地贯穿物质与精神世界的链。
She holds the opinion that art is the only chain that can perfectly run through both the material world and the spiritual world.
这种物质可能是蛋白多糖的侧链。
效用价值是环境经济价值的物质承担者，效用价值关系呈链状或网状结构。
Utility value is the matter agent of environmental economics value, utility value relation assumes catenoid or netlike structure.
价值链理论描述了物质世界的价值创造程序。
Value chain theory describes the program of creating value in matter world.
在腐生链中，微生物以死的有机物质为生。
In a saprophytic chain, microorganisms live on dead organic matter.
在腐生链中，微生物以死的有机物质为生。
In a saprophytic chain, microorganisms live on dead organic matter.
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