网络释义专业释义英英释义
...〉；而在修完指定的通识时数后，先生在大三大四能够依本人的乐趣与希冀，专攻校方所供给的50个范畴的专业课程〈Concentrations〉，而先生在日后所取得的校方文凭认定，就是按照他们在大学后两年所专攻的专业范畴。
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New Page 2 关键词： 有机物；浓度；草莓；脱毒苗；组织培养；快繁；繁殖系数 [gap=1234]Key words: organic，concentrations，strawberry，virusfree plantlets，tissue culture，rapid propagation，propagation co..
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sublethal concentrations 亚致死浓度
Calculation of carbonate species concentrations 碳酸盐物种浓度的计算
trace concentrations 微量浓度
Drug blood concentrations 血药浓度
Anion concentrations 负离子浓度
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浓度 - 引用次数：2325
Plasma concentrations of mother and infant showed significant difference（P0.05）.
经统计学分析母血和脐血中丙泊酚血浆浓度差异显著（P0.05）。
参考来源 - 高效液相色谱 -
浓度 - 引用次数：1619
Trees with same age had almost stable nutrient concentrations.
同龄树木体内养分浓度近相同。
参考来源 - 桉树人工林生态系统中林木生长、养分平衡与地力维护研究 -
浓聚物
·2,447,543篇论文数据，部分数据来源于NoteExpress
concentration
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n.
- (chemistry) the strength of a solution; number of molecules of a substance in a given volume (expressed as moles/cubic meter)
- the spatial property of being crowded together
- strengthening the amount of a substance in a unit amount of another substance (as of a solute in a mixture) by removing the other substance
- increase in density
- complete attention; intense mental effort
- bringing together military forces
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great and constant diligence and attention
同义词： assiduity assiduousness
以上来源于: WordNet
柯林斯英汉双解大词典
concentration /ˌkɒnsənˈtreɪʃən/ CET4 TEM4
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1.
N-UNCOUNT Concentration on something involves giving all your attention to it. 专注
例：Neal kept interrupting, breaking my concentration.
尼尔不断打扰，打断我的注意力。
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2.
N-VAR A concentration of something is a large amount of it or large numbers of it in a small area. 集中
例：The area has one of the world's greatest concentrations of wildlife.
该地区有世界上野生生物最集中的区域之一。
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3.
N-VAR The concentration of a substance is the proportion of essential ingredients or substances in it. 浓度
例：pH is a measure of the concentration of free hydrogen atoms in a solution.
pH值是溶液中游离氢原子浓度的计量单位。
双语例句原声例句权威例句
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In 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。
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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。
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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。
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They are extremely massive concentrations of matter.
VOA: special.2010.09.29
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And this is really interesting to think about because you can imagine in our body we have concentrations of all types of ions, and specifically, some seem very, very similar to each other.
这是非常令人感兴趣的,因为大家可以想象一下，在我们的体内我们有,一定浓度的任何类型的离子，而且特别地，其中有一些非常非常地相似。
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All the students coming in about their independent concentrations and that type of thing,
所有学生去都是为了他们的独立关注和那一类的东西，
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