concentration
n. 浓度；集中；浓缩；专心；集合
n.
集中；专心；关注；浓度
变形
复数：concentrations
双语释义
n.(名词)[U]专心,专注 the direction of attention on a single thing,idea,subject,etc.
[C]集中,集结 a close gathering
英英释义
concentration[ ,kɔnsən'treiʃən ]
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
同义词：densitydensenesstightnesscompactness
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
同义词：engrossmentabsorptionimmersion
bringing together military forces
great and constant diligence and attention
同义词：assiduityassiduousness
词汇搭配
用作名词 (n.)
动词+～
disrupt〔disturb〕 one's concentration扰乱注意力
lose one's concentration分散注意力
形容词+～
considerable concentration高度集中的注意力
deep concentration聚精会神
high concentration高浓度
large concentration of population人口高度集中
low concentration低浓度
～+名词
concentration camp集中营
介词+～
in concentration专心地
power of concentration集中思想的能力
with concentration专心地
～+介词
concentration of fire火力集中
concentration of sea water海水浓缩
concentration on对…的专注
concentration on civil rights对公民权利的专注
词组短语
concentration of sth集中；聚集
high concentration高浓度，高强度
stress concentration应力集中
concentration on注意力集中于…
low concentration低浓度；低集中度
gas concentration气体浓度；气含量
sediment concentration含沙量；沉积物浓度
solution concentration溶液浓度
ion concentration离子浓度
dust concentration粉尘浓度；尘末浓度
mass concentration质量浓度
concentration camp集中营
initial concentration起始浓度；初浓度
salt concentration盐浓度，含盐浓度
concentration ratio集中度；浓度比率
concentration factor集中系数；浓缩系数
alcohol concentration酒精浓度
concentration polarization浓差极化
stress concentration factor应力集中系数
volume concentration[化]体积浓度；体积密度
双语例句
用作名词(n.)
The tennis players need total concentration during play.
网球运动员在比赛中需要全神贯注。
Stress and tiredness often result in a lack of concentration.
紧张和疲劳常使人精神不集中。
Concentration is essential if you want to do a good job.
如果你想把事情做好,专心是必要的。
His area of concentration is economics.
他专心研究经济学。
Check oxygen concentration by a refractometer.
用折射仪测量一下氧气的浓度。
Titanium is useful at low concentration only.
钛只在低浓度时起作用。
权威例句
Estimation of the concentration of low density lipoprotein cholesterol in plasma without use of the ultracentrifugeEstimation of concentration of low-density lipoprotein cholesterol in plasma without use of the preparative ultracentrifuge
Estimation of the concentration of low-density lipoprotein cholesterol in plasma, without use of the preparative ultracentrifuge.
Long-term effects of pravastatin on plasma concentration of C-reactive protein. The Cholesterol and Recurrent Events (CARE) Investig...
Diabetes mellitus, fasting blood glucose concentration, and risk of vascular disease: a collaborative meta-analysis of 102 prospecti...
Relationship between the inhibition constant (K1) and the concentration of inhibitor which causes 50 per cent inhibition (I50) of an...
Homeostasis model assessment: insulin resistance and B-cell function from fasting plasma glucose and insulin concentration in man
Glutathione S-transferase A. A novel kinetic mechanism in which the major reaction pathway depends on substrate concentration.
Homeostasis model assessment : Insulin resistance and β-cell function from fasting plasma glucose and insulin concentration in man
Homeostasis model assessment: insulin resistance and beta-cell function from fasting plasma glucose and insulin concentration in man.
concentration (n.)
1630s, "action of bringing to a center," noun of action from verb concentrate (v.). Meaning "a mass so collected" is from 1670s; "continuous focus of mental activity" is from 1846.
1. The concentration of acid in vomitus or aspirate need not reach this limit.
呕吐物或吸引液内酸的浓度不需要达到这一程度。
www.xyzdict.com
2. Adsorption is the concentration of one substance very near the surface of another.
吸附作用是一种物质非常接近地集中在另一种物质的表面。
dict.site
3. There is no consistent link between income concentration and credit booms, however.
然而，收入集中和信贷繁荣之间不存在任何联系。
www.51en.com
4. One point of concentration is where the air tube and bronchus divides.
集中的一点是气管和支气管分叉的地方。
www.kepingji.com
5. Because Mathematics (Finance) needs the ability of logic thinking and data processing, so I need to keep clear thinking and concentration.
因为数学（金融）需要逻辑思维能力和数据处理，所以我需要保持清晰的思维和浓度。
www.ukassignment.org
6. Stress concentration, Stress correction factor, Limits of reinforcement, No requirement for reinforcement, Openings in / or adjacent to welds, Weld strength paths.
应力集中，应力校正系数，补强有效范围，不需补强，在焊缝及其附近的开孔，焊缝强度途径。
www.caci.org.cn
7. They found that common soap and detergent brands can kill the virus at a minimum soap/detergent concentration of 0.1 per cent in 5 minutes, and almost immediately at higher concentrations.
他们发现普通的肥皂和清洁剂品牌可以在5分钟内以最低0.1%的浓度杀死这种病毒，而且在更高的浓度下几乎立刻就能杀死病毒。
zuci.chaziwang.com
8. Concentration is distinct from dehydration, based on differences in final water content and product characteristics.
由于最终的水分含量和产品特性不同，浓缩与脱水是不同的。
www.dictall.com
9. A high factor of safety should be used because this method is only a rough approximation and stress concentration is present.
译成：因为此方法只是一种近似的方法，而且存在应力集中，所以应选取较大安全系数。
www.hua-wu.com
10. All these things take away your concentration and hinder you from being the best person you can be.
所有这些东西拿走您的浓度和阻碍你成为最好的人可以得到。
www.xyzdict.com
11. This concentration is not dissipated by agents.
这一浓缩不会被媒介所冲淡。
www.websaru.net
12. Successs in life, not in wisdom and chance, but the concentration and perseverance.
人生的成功，不在聪明和机会，乃在专心和有恒。 。
www.53331.com
13. Because the battery is colloidal solid, so the electrolyte concentration, there is no acid layer phenomenon.
由于电池为胶状固体，所以电解质浓度均匀，不存在酸分层现象。
www.chinaexide.com.cn
14. Perhaps your lack of concentration can be due to feeling burned out by your job.
你之所以注意力不集中，可能是由于你觉得自己的工作太累了。
www.hnboxu.com
15. If this high concentration of blood sugar continues for a long period, it will affect the vascular system and cause serious diseases including arteriosclerosis and retinal hemorrhages.
如果这种高血糖浓度状况持续一段长时期，将影响到血管系统并导致包括动脉硬化和视网膜出血在内的严重疾病。
zuci.chaziwang.com
16. The preparation process consists of pretreatment , acid hydrolysis, neutralization , decoloration and concentration.
其制备工艺包括原料的预处理、酸水解、中和、脱色和浓缩。
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17. The concentration of biomolecule adsorbed on surface could also be determined according to the resonance angle shift.
生物分子在材料表面吸附的浓度也可以通过检测共振角度的偏移而获得。
zuci.chaziwang.com
18. Results The volume and concentration of alcohol had significant effect on the indexes.
结果乙醇浓度和乙醇用量对考察指标具有显著性影响。
www.chemyq.com
19. Osmotic force is the tendency of a solvent to equalize concentration throughout its volume. This force is overcome by applying pressure to the paint passing through the ultrafilter.
渗透力是一个溶剂在其容积内浓度不断平衡的趋势。这个力靠施加压力使油漆通过超滤装置来克服。
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20. Because of this concentration stress is high and is relieved to a certain extent by elastic deformation.
由于接触的这种集中，应力很高，并且因弹性变形而有某些程度的减小。
www.websaru.net
21. Salinity refers to the total concentration of salts present in the soil solution.
含盐量是指土壤溶液中所存在的盐类的总浓度。
www.youdict.com
22. Celebrity memory game is great way to train your spatial and working memory! Improve focus and concentration!
名人的记忆游戏是伟大的方式来训练你的空间和工作记忆！提高集中和集中！
www.mobile-dad.com
23. Basing on the three dimentional model and starting from advection diffusion equation, a prediction model for concentration field is set up.
在此基础上，从平流扩散方程出发，建立了一个与上述流场相应的浓度场预报模式。
www.dictall.com
24. The carbon diffusion layer is affected by concentration gradient of alloy elements and carbon, atom diffusion, the heat treatment and surfacing processes.
碳扩散层的形成受合金元素与碳的浓度梯度、原子扩散、热处理工艺和堆焊工艺等因素的影响；
zuci.chaziwang.com
25. The drug may affect your powers of concentration.
这种药可能会影响你的注意力集中。
en.ruiwen.com
26. That is because, during daytime hours, the concentration of NO2 in those cities was, on average, about 20% lower on Sundays.
这是因为在这两个城市的白天时段，平均下来周日的二氧化氮浓度要低大约20%。
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27. One fault of the American businessman is lack of concentration.
美国企业家的一个错误就是缺少集中。
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28. At current levels of demand any problem caused by the geographical concentration of supply would thus be an irritating blip rather than an existential crisis.
按照当前的需求水平，供应来源集中于某地的会引起的任何问题都只不过会让人烦恼一时，不会造成生存危机。
www.ideacarbon.org
29. Influence of concentration of carbonyl iron on static magnetism was not obvious.
五羰基铁浓度对复合粒子的静磁性能影响不明显。
dict.cn
30. Furthermore, breathwork helps to transform a scattered state of mind into a state of focus and concentration.
此外，呼吸法有助于将散漫的思想状态转换为专注和集中的状态。
zuci.chaziwang.com
31. A large proportion of the fluorine is vaporized during the concentration process.
在浓缩过程中大部份氟蒸出。
-- 来源 -- 英汉 - 辞典例句
32. Concentration in ownership marks the distribution of income and wealth.
财产所有权的集中，标志着收入与财富的分布情况。
-- 来源 -- 英汉 - 辞典例句
33. Dr. Bledsoe sat with a benign smile of inward concentration.
布莱索博士坐在椅子上，思想集中，脸上露出了一副宽厚的笑容。
-- 来源 -- 英汉 - 辞典例句
34. If evaporation and concentration continues a saturated solution will eventually be produced.
如果继续蒸发和浓缩，最终就形成饱和溶液。
-- 来源 -- 英汉 - 辞典例句
35. It is necessary to enrich the fuel by increasing the percentage concentration of uranium-235.
必须提高铀235浓度的百分比，使燃料浓集。
-- 来源 -- 英汉 - 辞典例句
36. Imagism is distinguished by its concentration on the hard, verbally created image rather than the translucent symbol.
意象主义以其专注于由严格的词语创造的意象而不是以易于了解的象征为特色。
-- 来源 -- 英汉 - 辞典例句
37. This chapter discusses a kind of mental ergonomics—how we can ensure that our products support user intelligence and effectiveness and how we can avoid disrupting the state of productive concentration that we want our users to be able to maintain.
本章将讨论有关这类问题的心理人因工程学——如何使我们的产品发挥用户的智慧、提高产品的效力、在产品的使用中如何保持住用户的注意力，以及如何避免破坏用户的专注状态。
-- 来源 -- About Face 3交互设计精髓
38. Experiments in pneumatic conveying show that there exists a maximum particle concentration.
气力输送实验表明，这里存着一个最大的颗粒浓度。
-- 来源 -- 英汉 - 辞典例句
39. He is a boy with little power of concentration.
他是个注意不易集中的男孩。
-- 来源 -- 英汉 - 辞典例句
40. If a user must divert his attention from the application to search out a tool, his concentration will be broken.
如果一个用户必须将注意力从程序转移到寻找某个工具，其专注会被破坏。
-- 来源 -- About Face 3交互设计精髓
concentration
