大家都搜：
n.关注点；[土壤]浓聚物（concentration的复数）
1、You know, breathing high concentrations here of sulfur dioxide, carbon dioxide and methane gas, in unequal quantities -- 19 years of this.───你知道，呼吸这里高浓度的二氧化硫、二氧化碳、和甲烷气体，这些不等量的气体-19年都是如此。
2、A portion of the thickened biomass is usually recycled to the reactor to improve performance through higher cell concentrations.───其中一部分浓缩的微生物会再循环回反应器中，以通过提高细胞浓度的方式来提高性能。
3、A number of neurotransmitters exert their effects by first increasing cyclic AMP concentrations in target neurons.───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。
4、They can thrive in soil with high concentrations of metals that are toxic to most other plants.───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。
5、The concentrations of chlorophyll in surface waters is one of the important parameters used for monitoring coastal water quality.───水体表面叶绿素浓度是监测沿岸水体质量的重要参数之一。
6、Because at least for that pair of constituents, I know the dependents for some range of concentrations.───因为至少，对那两个组分，我知道，它对某个浓度范围的依赖关系。
7、Even then, abundance in their host minerals is usually measured in concentrations of a percent or two.───即使是这样，其主要矿物中稀土含量也只占到1到2个百分点。
8、heavy concentrations, ozone is irritating to the eyes, nose and throat.───浓度极高时，臭氧对眼睛、鼻子和喉咙是有刺激的。
9、The accuracy and precision with which known concentrations of analyte in biological matrix can be determined should be demonstrated.───应证明已知生物基质内分析物浓度的准确度和精密度可以确定。
1、Tumour extracts also contained higher concentrations of immunoreactivity compared with normal tissue, in assays using antibodies L289 and 109-21.
2、High concentrations of toxic elements were found in the polluted areas of the sea.
3、In heavy concentrations, ozone is irritating to the eyes, nose and throat.
4、Plasma fibrinogen concentrations, for example, are related to weight at 1 year but not independently to birth weight.
5、Concentrations of troops near the border look set to invade within the next few days.
6、Large concentrations of capital were in the hands of merchants.
7、Overall solute concentrations, notably chloride, sulphate and aluminium, are higher in the former which are also more acidic.
8、The concentrations of total lipid and protein in gall bladder bile were not significantly different between the two groups.
9、The concentrations of urokinase type plasminogen activator in the duodenum resemble the quantities found in normal stomach tissue biopsy specimens.