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.
该酸辣酱应保持为一种稠密、柔软滑湿的浓度。
它们为下述选定的空气污染物的浓度限值提出了修订：可吸入颗粒物(PM)、臭氧(o3)、二氧化氮(NO2)和二氧化硫(SO2)，适用于世卫组织所有区域。
They recommend revised limits for the concentration of selected air pollutants: particulate matter (PM), ozone (O3), nitrogen dioxide (NO2) and sulfur dioxide (SO2), applicable across all WHO regions.
为应对细胞污染中出现的变异，有毒物质的浓度是逐步增加的，以此保证筛选力度的稳定。
In response to the appearance of such variants in the cell population the concentration of the toxic chemical in the growth medium is increased, thus keeping the selection pressure constant.
根据专家意见，确定沿线各自来水厂进水挥发酚最高允许浓度为0.005mg/L（不差于三类水）。
Experts suggest that the maximum density of volatile phenol in the water will not exceed 0.005mg/L before it is pumped into water factories.
5%的血液浓度为每公升0.01克或更高的司机在1991-2007年间发生过冲出路外事故。
Among drivers with a blood alcohol concentration of .01 grams per deciliter or higher, 86.5% were involved in ROR crashes during the years 1991 to 2007.
除了指导值之外，空气质量准则也为有关室外空气污染的每项空气污染物提出了过渡目标，以便促进逐渐从高浓度向低浓度过渡。
In addition to guideline values, the AQGs give interim targets related to outdoor air pollution, for each air pollutant, aimed at promoting a gradual shift from high to lower concentrations.
图中，一氧化碳浓度最高水平显示为红色，较低水平显示为黄色和橙色。
The highest levels of carbon monoxide are shown in red, while lower levels are yellow and orange.
这种无脊椎动物以惊人的繁殖速度占领海洋，后分解为高浓度碳生物量，细菌难以有效吸收。
The invertebrates, populating the seas in ever-increasing numbers,break down into biomass with especially high levels of carbon, which thebacteria cannot absorb well.
该公司先前曾对66名受试者进行了研究，其中有31人已被诊断为抑郁症，研究结果证实了血液磷酸浓度和抑郁程度间存在关联。
The connection between phosphoric acid levels and depression was confirmed in an earlier study conducted by the company involving 66 people, 31 of whom were diagnosed with depression.
以前，人们一直以为是大气中二氧化碳为海洋施了肥，因为二氧化碳浓度的增加导致气候变化，使更多营养物质流入海洋。
Previously, it has been held that carbon dioxide in the atmosphere was the cause of the ocean being fertilised, as rising levels brought climatic changes, washing more nutrients into the sea.
最终，下丘脑认为瘦素浓度的升高是正常的——此后就永远把因体重减轻而引起的瘦素下降误解为饥饿的信号。
Eventually the hypothalamus interprets theelevated level of leptin as normal--and forever after misreads thedrops in leptin caused by weight loss as a starvation signal.
一项以老鼠为研究对象所做的实验显示，母鼠在怀孕或授乳期食用含脂肪和糖类浓度过高的食物最终会导致幼鼠有类似的食物偏好。
An experiment conducted in rats shows that females eating diets dense with fats and sugars while pregnant or lactating ended up with offspring with similar food preferences.
尤其必须立即采取行动，执行有关用伊朗自己提炼的低浓度浓缩铀为德黑兰作研究用的反应堆提供燃料的计划——该反应堆用于生产医用同位素。
In particular, prompt action is needed on implementing the plan to use Iran's own low-enriched uranium to refuel the Tehran research reactor, which is used to produce medical isotopes.
“即使母鼠血糖浓度正常，高脂肪组刚出生的子鼠血糖浓度也为另一组的两倍，”塔斯特拉·科斯基说。
"At birth, offspring in the high-fat group had blood sugar levels that were twice as high as those in the control group, even though their mothers had normal levels," Strakovsky said.
研究发现，蒙古首都乌兰巴托年均可吸入颗粒物浓度为每立方米279微克，其后是又一个伊朗西部城市，萨南达杰，浓度为每立方米254微克。
The study found that the Mongolian capital Ulan Bator had an annual average PM10s density of 279 micrograms per cubic meter, followed by another west Iranian city, Sanandaj, with 254 micrograms.
我们使用的臭氧浓度为每毫升40微克至100。
We use ozone concentrations ranging from 40 to 100 ug per ml.
并以我国湖库在藻类繁殖高峰期实测浓度数据为例，快速、准确地得出湖库富营养化的主要指标。
Finally we got the main indices of eutrophication of lakes fleetly and exactly by analyzing the measured concentration of lakes in their algae breeding peak time.
各种沙尘天气发生时，均以亲地元素的浓度为最高。
The crust elements had the highest concentration when all kinds of sand weather happened.
以一种酒精浓度高的、减少了二氧化碳的烈性黑啤为基础，科学家已经创造出了一种太空安全啤酒，称为“东方号”。
Selecting a strong, reduced-carbon dioxide stout, the researchers have created a space-safe beer called "Vostok" (in honor of the first manned, Russian spacecraft flown by Yuri Gagarin in 1961).
方法本实验以氯仿为溶剂，调节plga溶液浓度和流量分别制备了具有不同表面形貌的纤维支架。
Methods with chloroform as the solvent, the PLGA fiber scaffolds with different surface morphology were produced altering PLGA solution concentration and the flowing rate.
当发酵液中乙醇浓度为50%、70%时，分别得到两种水溶性很好的多糖。
When alcohol density of fermentation supernatant was 50% and 70%, two kinds of water-solubility polysaccharide can be acquired.
如果没有呼吸装置，工作时空气中氧的最小浓度推荐为19.5%。
A 19.5%oxygen concentration in the air is the minimum recommended for working without special breathing equipment.
本文采用质量浓度为70%的稀乙醇进行精制除蜡，效果较佳。
The better result of refining and dewaxing was achieved by using the ethanol solution with mass concentration of 70%.
研究了以二苯甲酮和80%水合肼为原料，合成二苯甲酮腙的工艺，探讨了物料配比、反应时间、浓度等对目的产物收率的影响。
Synthesis process of benzophenone hydrazone is studied with benzophenone and 80%hydrazine as raw materials. Effects of material ratio, reaction time and concentration on aimed products are explored.
实验证实浓度为2 5%的碳纳米管浆料制得的阴极有最佳的阵列密度。
The test result proves that the CNT cathode with optimum array density is fabricated by the CNT paste with a density of 2.5 %.
他们使用的是浓度为0.3%的三氯生，为法定最高浓度。
They used a triclosan concentration of 0.3 percent - the maximum allowed by law.
乙醇的浓度为50%至70%时比较有效，浓度低于20%时，杀菌能力基本上就不存在了。
Ethanol is more effective at a concentration of 50-70 percent; below 20 per cent, its bactericidal action is negligible.
乙醇的浓度为50%至70%时比较有效，浓度低于20%时，杀菌能力基本上就不存在了。
Ethanol is more effective at a concentration of 50-70 percent; below 20 per cent, its bactericidal action is negligible.
应用推荐