concentration

读音：[.kɔnsen'treiʃən]

n.集中, 专心, 浓度

例句与用法：

The tennis players need total concentration during play.

网球运动员在比赛中需要全神贯注。

The drug affects one's power(s) of concentration.

这种药影响人精神不能集中。

The inward flow of a fluid through a permeable membrane toward a fluid of greater concentration.

内渗透一种液体透过可渗透膜流向另一种浓度比它高的液体的内部流动

A state of mental concentration.

专心致志，全神贯注全神贯注的状态

I found it hard to keep my concentration with such a noise going on.

吵闹声不绝于耳，我很难保持精神集中。

Stress and tiredness often result in a lack of concentration.

紧张和疲劳常使人精神不集中。

词形变化：

形容词: concentrative | 副词: concentratively | 名词: concentrator | 动词过去式: concentrated | 动词过去分词: concentrated | 动词现在分词: concentrating | 动词第三人称单数: concentrates |

n.

1. 集中[C][U]

There is a concentration of people in big cities.

大城市人口集中。

2. 专心, 专注[U]

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。

3. 浓缩; 浓度[U][S1]

concentration

名词复数：concentrations

词形变化：

形容词: concentrative | 副词: concentratively | 名词: concentrator | 动词过去式: concentrated | 动词过去分词: concentrated | 动词现在分词: concentrating | 动词第三人称单数: concentrates |

同义词：

absorption | attentiveness | attention | meditation | awareness | focus | deliberation | study | condensation | compression | application | speciality | thinking | collection | assiduity | immersion | engrossment | density | tightness | assiduousness | denseness | compactness |

反义词：

distraction | dilution | distribution |

词义辨析：

同义参见:

speciality  thinking  condensation  study  collection  compression  

反义:

n.集中; 专心

distraction   concentrationconcentrationD.J.:[ˌkɔnsənˈtreiʃən]K.K.:[ˌkɑnsənˈtreʃən]n.
1.翻译：专心, 专注
2.翻译：集中, 集结Large concentrations of capital were in the hands of merchants.大量资本集中在商人手里。

concentration[,kɔnsən'treiʃən]n.
1.翻译：集结，集中，聚集
2.翻译：专注，专心
3.翻译：浓度；密度；浓缩
4.翻译：浓缩物；集中之物

concentrationconcentration[ˌkɔnsenˈtreiʃən]n.
1.翻译：集中， 专心
2.翻译：【化】提浓， 蒸浓， 浓缩； 浓度；【采矿】汰选
3.翻译：集中物， 集结物； 密集（的东西）concentrations of enemy troops敌军的集结company concentration垄断化（水平）with deep concentration专心concentration cell浓差电池concentration plant选矿厂concentration camp集中营concentration ring【军】集索圈 concentration
noun
[mass noun]the action or power of focusing one's attention or mental effort
专心，专注；注意力
frowning in concentration.
蹙额深思。
the worker needs total concentration.
这个工人需要全神贯注。
翻译：(concentration on/upon)dealing with one particular thing above all others
（仅）处理；（仅）注重
concentration on the needs of the young can mean that the elderly are forgotten.
对年轻人需求的注重可能意味着对老年人的忽视。
a close gathering of people or things
聚集者；集中物；集结物
the island has the greatest concentration of seabirds in the north-west.
此岛集中了西北部最多的海鸟。
翻译：[mass noun]the action of gathering together closely
集中；集结
the concentration of power in the hands of nobles.
贵族手里集中的权力。
the relative amount of a particular substance contained within a solution or mixture or in a particular volume of space; the amount of solute per unit volume of solution
浓度；含量
the gas can collect in dangerous concentrations.
此种气体能聚积到引起危险的浓度。
翻译：[mass noun]the action of strengthening a solution by the removal of water or other diluting agent or by the selective accumulation of atoms or molecules
浓缩

concentration

名词 concentration:

(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：density, denseness, tightness, compactness

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：engrossment, absorption, immersion

bringing together military forces

great and constant diligence and attention

同义词：assiduity, assiduousness

特殊用法acceptable concentration
1.翻译：容许浓度acid-site concentration
1.翻译：催化剂酸性中心浓度acoustic concentration
1.翻译：声集中activity concentration
1.翻译：放射性浓度additive concentration
1.翻译：添加剂浓度admissible concentration
1.翻译：容许浓度aerosol concentration
1.翻译：气溶胶浓度air pollution concentration
1.翻译：大气污染浓度ambient particulate concentration
1.翻译：环境颗粒物浓度analytical concentration
1.翻译：分析浓度（每升溶液中某一物质所有存在形式的总摩尔数）areal concentration
1.翻译：面积集中axle concentration
1.翻译：轮轴集重background concentration
1.翻译：本底浓度bacterial concentration
1.翻译：细菌浓度benchmark concentration
1.翻译：基准浓度biological concentration
1.翻译：生物富集bulk phase concentration
1.翻译：体相浓度carrier concentration
1.翻译：载流子浓度critical concentration
1.翻译：临界浓度defect concentration
1.翻译：缺陷密度degeneracy concentration
1.翻译：简并浓度differential concentration
1.翻译：浓度差diluted concentration
1.翻译：稀释浓度donor concentration
1.翻译：施主浓度dry concentration
1.翻译：干选， 风选dust concentration
1.翻译：粉尘浓度dynamical stress concentration
1.翻译：动应力集中ecological concentration
1.翻译：生态浓集度extra heavy concentration
1.翻译：特高浓度（如固形物40％以上的番茄酱）effective concentration
1.翻译：有效浓度electron concentration
1.翻译：电子密度equilibrium concentration
1.翻译：平衡浓度equivalent concentration
1.翻译：当量浓度exchange concentration
1.翻译：外汇集中制field concentration
1.翻译：战地浓度fire concentration
1.翻译：火害频度flammable vapor concentration
1.翻译：易燃蒸气浓度flowing-film concentration
1.翻译：层流薄膜选矿法food chain concentration
1.翻译：食物链的浓集作用gravity concentration
1.翻译：重力选矿greased-deck concentration
1.翻译：涂脂板选矿法hydroxide ion concentration
1.翻译：氢氧［羟］离子浓度impurity concentration
1.翻译：杂质浓度inhibit concentration
1.翻译：发育抑制浓度initial concentration
1.翻译：初浓度input concentration
1.翻译：进料［输入］浓度instantaneous concentration
1.翻译：瞬时浓度interfacial concentration
1.翻译：界面浓度ion concentration
1.翻译：离子浓度irritating concentration
1.翻译：刺激浓度isohydric concentration
1.翻译：等氢离子浓度lethal concentration (LC)
1.翻译：致死浓度light concentration
1.翻译：低浓度localized stress concentration
1.翻译：应力局部集中lye limit concentration
1.翻译：碱液极限浓度mass concentration
1.翻译：质量浓度maximum lethal oxygen concentration
1.翻译：最高致死氧量maximum permissible concentration (MPC)
1.翻译：最大容许浓度maximum sediment concentration
1.翻译：最大含沙量［浓度］medium concentration
1.翻译：中等集中度micromolar concentrations
1.翻译：微摩尔级（的）浓度mild concentration
1.翻译：轻度污染mineral concentration
1.翻译：选矿minimum lethal concentration
1.翻译：最低致死浓度molecular concentration
1.翻译：分子浓度multi-stage water concentration
1.翻译：多级水选nitrogen concentration
1.翻译：氮浓度normal concentration
1.翻译：标准浓度ore concentration
1.翻译：选矿osmotic concentration
1.翻译：渗透浓度oxygen concentration in atmosphere
1.翻译：大气中氧浓度ozone concentration
1.翻译：臭氧浓度particle concentration
1.翻译：粒子［粉尘］浓度peak concentration
1.翻译：峰收缩percentage concentration
1.翻译：百分（比）浓度permissible concentration
1.翻译：容许浓度piece concentration
1.翻译：子力集中pigment-volume concentration
1.翻译：颜料体积浓度plant concentration
1.翻译：生产集中pollution concentration
1.翻译：污染浓度product concentration
1.翻译：产品浓度roughness concentration
1.翻译：粗糙度safe concentration of pollutant
1.翻译：污染物的安全浓度salt concentration
1.翻译：含盐浓度sediment concentration
1.翻译：含沙量seller concentration
1.翻译：垄断化silt concentration
1.翻译：含沙浓度sludge concentration
1.翻译：污泥浓缩soot concentration
1.翻译：烟灰浓度spectral concentration
1.翻译：光谱密度steady-state concentration
1.翻译：稳态浓度stimulus concentration
1.翻译：刺激浓度stoichiometric concentration
1.翻译：化学计量浓度strategic concentration
1.翻译：【军】战略集结stress concentration
1.翻译：应力集中surface excess concentration
1.翻译：表面过剩浓度target concentration
1.翻译：【军】目标集中区theoretical concentration
1.翻译：理论浓度thermodynamic concentration
1.翻译：热力有效浓度threshold concentration
1.翻译：槛限浓度toxic ground-level concentration
1.翻译：地面毒物浓度trace concentration
1.翻译：痕量浓度vacancy concentration
1.翻译：空位浓度vacuum concentration
1.翻译：真空浓缩vapo(u)r concentration
1.翻译：水汽浓度volume concentration
1.翻译：体积密度volumetric molar concentration
1.翻译：容量摩尔浓度water concentration
1.翻译：湿［水］选； 水力富集wet concentration
1.翻译：湿［水］选； 水力富集weight concentration
1.翻译：(按重量计的)浓缩倍数concentration of combustion
1.翻译：燃烧集中度concentration of enterprises
1.翻译：企业集中concentration of excitation
1.翻译：兴奋集中concentration of floating dust
1.翻译：飘尘浓度concentration of poisons
1.翻译：毒料浓度concentration of production
1.翻译：生产积聚［集中］concentration of rail stresses
1.翻译：钢轨应力集中concentration of stacking faults
1.翻译：堆垛层错密度concentration of sugar in blood
1.翻译：血糖浓度concentration of trade
1.翻译：贸易集中

concentration

1. Everything is concentration is an essence.

"凡是浓缩的都是精华的."

2. This response was cau- sed by even lower concentration(0.01ppm).

BA 的浓度在0.01ppm 时也能产生这一效应。

3. BAP concentration was a key factor influencing membrane fouling.

BAP浓度是影响膜污染的关键因素。

4. CINC concentration reached its peak at 12 h after reprefusion.

CINC浓度达顶峰出现在再灌注 12 h。

5. The negative correlation of SCBF with EAA concentration were found.

EAA变化与SCBF呈显著负相关。

6. Concentration of FN secreted into the media was determined by ELBA.

ELISA方法测定培养液上清中FN的浓度。

7. But Hb aam RBC are decreasing as the concentration is decreasing.

Hb和RBC则随浓度增加而降低。

8. L-1 was the optimal spraying concentration of.

L-1为最佳喷施浓度。

9. Models for calculating Chl concentration.

MERIS数据叶绿素浓度反演模型。

10. The Determination of Concentration for SO_2 Gase.

SO_2气体浓度的测定

11. S is the concentration of unpaired nucleotides.

S是不配对的核苷酸的浓度。

12. The OLED can only emit red when the dopant concentration is 8%.

TPP掺杂浓度为8%时,为饱和的红光发射;

13. The POWs burst out from(of) that Nazi concentration camp one night.

一天夜里战俘们冲出了那个纳粹集中营。

14. The POWs busted out of that Nazi concentration camp one night.

一天夜里战俘们逃出了那个纳粹集中营。

15. First gear concentration is acuteness.

一档集中剧烈。

16. Chess requires great concentration.

下棋需要全神贯注。

17. Chess calls for concentration and a good memory.

下棋需要有集中的注意力和良好的记忆力。

18. After a while, he lets his concentration lapse and moves away.

不久，他的注意力渐渐离开了。

19. Concentration can increase brainpower.

专心能增加智力。

20. A state of mental concentration.

专心致志，全神贯注全神贯注的状态

21. Concentration is pretty much a forced type of activity.

专注更多是一种强迫的活动。

22. Concentration is often called one-pointedness of mind.

专注经常被称为意识的单向性。

23. Concentration comes out of a combination of confidence and hunger.

专注起源于自信与欲望的组合。

24. Strictly master the dose and concentration of amoxicillin.

严格掌握注射用阿莫西林钠的剂量和浓度。

25. The concentration of ethylene is on the high side.

乙烯浓度偏高。

26. Kept life in his wasted frame only by grim concentration.

仅靠聚精会神来维持骨瘦如柴的生命。

27. A new method of determining the concentration of LAS in wastewater.

介绍了一种测定废水中LAS浓度的新方法。

28. His area of concentration is economics.

他专心研究经济学。

29. The sprit of his concentration on teaching win colleagues` respect.

他专心致力于教学的精神赢得了同事们的尊敬。

30. They liberated all war prisoners from the concentration camp.

他们将所有战俘从集中营里解放出来。

31. They strongly recommended concentration of offer.

他们极力建议集中报盘。

32. They smuggled in some food for the comrades in the concentration camp.

他们给集中营里的同志们偷偷送进去一些食物。

33. They charged that I had threatened them with concentration camp.

他们群起而攻之，说我是在用集中营威胁他们。

34. He wrinkled his brow in concentration.

他全神贯注地锁紧眉头。

35. He spent several months in a Nazi concentration camp before he broke out.

他在纳粹集中营里关了几个月后逃了出来。

36. His concentration on the problem was admirable.

他对那个问题的专注令人钦佩。

37. The moment he relaxes his concentration,he will lapse into a stutter.

他思想一不集中，就结结巴巴起来。

38. He gave the matter his full concentration.

他把全部注意力都放在这件事情上。

39. He seized every chance to break out of the Nazi concentration camp.

他抓住一切机会从纳粹集中营跑出来。

40. He is a boy with little power of concentration.

他是个注意不易集中的男孩。

41. He has great powers of concentration.

他注意力很集中。

42. His area of concentration is nuclear physics.

他的专门研究范围是原子物理学。

43. His mouth was compressed into a thin line of concentration.

他的嘴抿成了一条线，显得很专注。

44. His face was a study in concentration.

他脸上完全是一副全神贯注的表情。

45. He pleaded family problems for his lack of concentration.

他解释说注意力分散是因为有家庭问题。

46. There was something pathetic in his concentration.

他那副专心致志的劲头看上去有点可怜。

47. Skiing at 80 miles per hour requires total concentration.

以80哩的速度滑雪需要完全的集中精神。

48. The great successes of life are made by concentration.

伟大的成就都是由专心造就的。

49. Low concentration of CDCA does not damage the liver function.

低浓度 CDCA不损害肝功能。

50. Higher concentration of 2,4-D (over 4mg/L) restrain callus growth.

低浓度的2,4-D对丹参愈伤组织的诱导有促进作用,但2,4-D浓度过高时对愈伤组织的生长有抑制作用。

51. You cannot afford to relax your concentration for a moment.

你必须集中精力，一刻都不能松懈。

52. Break your concentration and the ball descends.

你注意力一旦分散，小球就会下降。

53. Your power of concentration is amazing. Didn't you hear me come in?

你的注意力太惊人了。难道你没听到我进来吗?

54. Can you stop talking? You're ruining my concentration.

你能停止谈话吗？你使我无法集中注意力。

55. What you need is concentration and good reflexes.

你需要的是集中和良好的反应。

56. Children 's concentration is hard to centralize.

儿童的注意力很不容易集中。

57. EAG values became greater as the concentration increased.

其中,对柠檬醛和香草酸的EAG反应较强烈,并随着浓度升高反应值增大。

58. The Phrenic Range concentration serves to increase damage output.

其中一种状态能加大伤害输出。

59. The inward flow of a fluid through a permeable membrane toward a fluid of greater concentration.

内渗透一种液体透过可渗透膜流向另一种浓度比它高的液体的内部流动

60. His concentration lapsed after a few minutes.

几分钟后他的注意力就下降了。

61. What is the concentration range of interest?

分析对象的浓度范围?

62. Conditions in the office made concentration impossible.

办公室的状况根本不可能使人专心

63. Nine chances out of ten we'd both wind up in a concentration camp.

十有八九是我们俩最终都进集中营。

64. Is your feed solid or liquid? What is the concentration?

原料是固体还是液体?浓度是多少?

65. Only the hope that he might one day escape carried Jim through the ordeal of the concentration camp.

只是由于抱着总有一天可能逃脱的希望，吉姆才经受住集中营的折磨。

66. Chewing gum can assist your concentration.

吃口香糖可以帮助你注意力集中。

67. The test results show that a rare-earth concentr...

同时,对试验流程的改进和优化提出了建议。

68. Low NAA concentration could prolong vase life of peony cut flower.

含低浓度NAA的保鲜剂可延长切花寿命。

69. I found it hard to keep my concentration with such a noise going on.

吵闹声不绝于耳，我很难保持精神集中。

70. I find it hard to keep my concentration with such a noise go on.

吵闹声不绝於耳，我很难保持精神集中。

71. 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。

72. Self-contained breathing apparatus in high vapor concentration.

呼吸防护:在高浓度中使用氧气面罩。

73. It is because we possess concentration.

因为我们专心。

74. The altitude of the peak concentration was lowest in the summer.

在夏季，峰值浓度的高度为最低。

75. High concentration of serum leptin was existed in obesity group.

在肥胖组大鼠体内存在着高瘦素血症,提示有瘦素抵抗。

76. At high calcium concentration they fuse without lysis.

在钙离子浓度高时，他们融合而不解体。

77. Entire peoples were exterminated in the concentration camps.

在集中营整个民族被迫害而灭亡。

78. There is a concentration of people in big cities.

大城市人口集中。

79. The Auschwitz Concentration Camp always reminds the world of the holocaust.

奥许维次集中营总是让世人想起纳粹对犹太民族的大屠杀。

80. The Auschwitz concentration camp always remind the world of the holocaust.

奥辛威茨集中营总是让世人想起大屠杀。