浓度极高时，臭氧对眼睛、鼻子和喉咙是有刺激的。
In heavy concentrations, ozone is irritating to the eyes, nose and throat.
有一个迟滞期，抗体浓度缓慢上升至中间水平。
There's a lag phase, and there's a slow rise to an intermediate level of antibody concentration.
根据浮游植物的种类和浓度，海洋颜色有从绿色到蓝色不等。
Ocean colour varies from green to blue, depending on the type and concentration of phytoplankton.
来自这些围栏或畜栏的土壤样本显示，磷的浓度是其10倍。
Soil samples from these pens or corrals show ten times the concentration of phosphorus.
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.
它们能在含有对大多数其他植物有毒的高浓度金属的土壤中茁壮成长。
They can thrive in soil with high concentrations of metals that are toxic to most other plants.
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.
溶液中的盐份富集在聚合物分子的带电基团附近，并形成盐浓度梯度分布。
Salts are enriched around electriferous groups of polymer molecules in solution, which formed a salt concentration gradient.
如果你需要的话，你的牙医可以给你开更高浓度含氟凝胶，牙膏或漱口剂。
Your dentist can prescribe a stronger concentration of fluoride in a gel, toothpaste or rinse if you need it.
许多神经递质首先通过增加靶神经元中的循环AMP浓度来发挥其作用。
A number of neurotransmitters exert their effects by first increasing cyclic AMP concentrations in target neurons.
例如，在倒数第二个冰期的高峰和接下来的间冰期之间，甲烷浓度几乎增加了一倍。
The methane concentration nearly doubled, for example, between the peak of the penultimate glacial period and the following interglacial period.
由于浓度的增加，植物的再生长很少，导致侵蚀增加，使得肥沃的表层土壤减少，再生长更少。
Because of this increased concentration, regrowth of plants is minimal, leading to increased erosion, which leads to a decrease in the fertile topsoil, leading to even less regrowth.
从后来的任务中得到的数据显示，在两极地下不到一米的地方有浓度相当高的氢，由此推断是水。
Data from a later mission indicates significant concentrations of hydrogen and by inference water less than a meter underground at both poles.
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.
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.
然而，尽管当地铁浓度立即提高，在一个这样的区域实验释放铁化合物却没有产生大量的浮游生物。
However, an experimental release of iron compounds into one such area failed to produce a thriving plankton population, even though local iron concentrations increased immediately.
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.
浮游生物通常在海洋表面附近某些含氮化合物浓度足够高的区域大量繁殖，而海洋表面正是浮游生物生存的地方。
Plankton generally thrive in areas of the ocean with sufficient concentrations of certain nitrogen compounds near the surface, where plankton live.
通过研究这些成分，科学家们获得了气候的许多方面的详细档案，包括空气温度、降雪和大气中温室气体的浓度。
By studying these components, scientists have obtained a detailed archive of many aspects of climate, including air temperatures, snowfall, and concentrations of greenhouses gases in the atmosphere.
它们允许一定量的盐分进入它们的细胞，将水中的盐分带进植物体内，并把其体内的盐含量提高到比周围海水稍高的浓度。
They allow a certain amount of salt to enter their cells, bringing the salt content of the water within the plant, to a slightly higher concentration than that of the surrounding seawater.
许多超富集植物被发现于热带地区和亚热带地区，在那里，高浓度金属元素的积累可以为植物提供保护来对抗以植物为食的昆虫和细菌病原体。
Many are found in tropical and subtropical areas of the world, where the accumulation of high concentrations of metals may afford some protection against plant-eating insects and microbial pathogens.
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.
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.
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.
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