来自海豹死亡海域的海水样本确实含有异常高浓度的有毒细菌。
Seawater samples from the area where the seals died did contain unusually high concentrations of the toxic bacterium.
随着温室气体浓度的下降，地球开始再次变冷，最终又将回到冰河时代。
Gradually as the concentration of greenhouse gases goes down, Earth starts to cool again, and eventually you slip back into an Ice Age.
分子生物学的新技术使最近的工作成为可能，这种新技术能在环境中检测到低浓度的病毒DNA。
The recent work has been made possible by new techniques of molecular biology that allow viral DNA to be detected at low concentrations in the environment.
现在认为糖尿病经常伴有的并发症，如视力和肾功能损害，是由于缺乏对血糖浓度的持续控制所致。
The complications frequently accompanying diabetes, such as impairment of vision and of kidney function, are now thought to result from the lack of continuous control of blood glucose concentrations.
盐碱地含有高浓度的氯化钠和其他盐类，限制了植物的生长，研究继续集中于开发耐盐的农作物品种。
Saline soils, which have high concentrations of sodium chloride and other salts, limit plant growth, and research continues to focus on developing salt-tolerant varieties of agricultural crops.
海冰的形成导致表水中盐的浓度增加；海冰的减少意味着盐浓度的增加幅度较小。
The formation of sea ice causes the concentration of salt in surface waters to increase; less sea ice would mean a smaller increase in the concentration of salt.
铱存在于陨石和火山物质中，但在火山物质中同时包含高浓度的镍和铬。
Iridium occurs in meteorites and volcanic material, but in the latter case it is accompanied by elevated levels of nickel and chromium.
饱和脂肪被人体用来制造胆固醇，而高浓度的胆固醇与心脏病直接相关。
Saturated fats are used by the body to make cholesterol, and high levels of cholesterol have since been directly related to heart disease.
虽然大多数植物不能在这种土壤中生存，但某些植物有能力忍受高浓度的这类矿物质。
Although most plants cannot survive in these soils, certain plants have the ability to tolerate high levels of these minerals.
这是浓度的单位，一般是摩尔每升。
测量导电率是得出氯浓度的有效手段。
Measuring electrical conductivity is a well-established proxy for determining chloride concentration.
IMA浓度的临床意义。
否则，高浓度的异丁醇会抑制酵母菌的生长。
Otherwise, high concentrations of isobutanol would inhibit the growth of the yeast.
这告诉我们，流动是和浓度的负梯度成比例的。
And that told us that the flow is proportional to a negative gradient of a concentration.
海水包含高浓度的离子，非常类似于电池的电解液。
Seawater has a high concentration of ions, much like the battery's electrolyte.
它还安装有测量海水中盐度，温度和氧气浓度的设备。
It also was fitted with devices that measured salinity, temperature and oxygen concentrations in the sea water.
高浓度的高半胱氨酸会导致患老年痴呆症的风险增加。
High levels of homocysteine have been linked to a greater risk of Alzheimer's.
人类可以闻到微小浓度的物质，哪怕浓度小到一万亿分之二。
We have an ability to smell incredibly small concentrations, down to as little as two parts per trillion.
高浓度的自由基会损伤包括晶状体细胞在内的各种细胞。
High levels of free radicals can damage cells, including those in the lens of the eye.
牡蛎：牡蛎内含高浓度的锌，据报道，锌能增强睾酮的产生。
Oysters: Oysters contain high levels of zinc, which reportedly increased the production of testosterone.
过度捕捞的很多海洋物种中，有许多含有高浓度的汞和多氯联苯。
Many Marine species are overfished, and some have high levels of mercury and PCBs.
加工含油砂会产生高浓度的温室气体，还会产生有毒废料，从而造成环境风险。
Processing tar sands produces a high concentration of greenhouse gasses and can generate toxic waste products that pose an environmental risk.
伊朗退出了此交易，立刻要求更高浓度的铀，并坚持在伊朗进行交易。
Iran backed out of this deal, demanding higher-enriched uranium immediately, and insisting the swap take place in Iran.
鱼肉中毒素的浓度可高达鱼类和贝类所生活水域毒素浓度的9百万倍。
Concentrations of toxins can be as high as nine million times those found in the waters in which fish and shellfish live.
凭借其提高“感觉良好”内啡呔浓度的能力，巧克力一直被用来提高情绪。
With its ability to boost "feel-good" endorphin levels, chocolate has long been used as a mood-lifter.
可能会出现高浓度的水银蒸汽，从而需要进一步的防护设备以及专业知识。
Higher mercury vapor levels may exist and could require additional protective equipment and professional expertise.
不同浓度的钾离子和氯离子一般会致使离子由低浓度的原始细胞向高浓度的转移。
The difference in concentrations of potassium and chloride ions would normally cause ions to move from the less concentrated protocell to the more concentrated one.
胰腺的beta细胞感应葡萄糖浓度的变化，然后及时分泌适当的胰岛素进行调节。
Beta cells in the pancreas sense glucose levels, they sense the glucose levels changing and they secrete the right amount of insulin at the right time.
胰腺的beta细胞感应葡萄糖浓度的变化，然后及时分泌适当的胰岛素进行调节。
Beta cells in the pancreas sense glucose levels, they sense the glucose levels changing and they secrete the right amount of insulin at the right time.
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