concentration
[.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
concentration[,kɔnsən'treiʃən]n.1.■集结,集中,聚集2.■专注,专心3.■浓度;密度;浓缩4.■浓缩物;集中之物
concentrationconcentration[ˌkɔnsenˈtreiʃən]n.1.■集中, 专心2.■【化】提浓, 蒸浓, 浓缩; 浓度;【采矿】汰选3.■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
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。
■(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。
■[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。
■[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
concentration
■Everything is concentration is an essence.
"凡是浓缩的都是精华的."
■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。
■BAP concentration was a key factor influencing membrane fouling.
BAP浓度是影响膜污染的关键因素。
■CINC concentration reached its peak at 12 h after reprefusion.
CINC浓度达顶峰出现在再灌注 12 h。
■The negative correlation of SCBF with EAA concentration were found.
EAA变化与SCBF呈显著负相关。
■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。
■But Hb aam RBC are decreasing as the concentration is decreasing.
Hb和RBC则随浓度增加而降低。
■L-1 was the optimal spraying concentration of.
L-1为最佳喷施浓度。
■Models for calculating Chl concentration.
MERIS数据叶绿素浓度反演模型。
■The Determination of Concentration for SO_2 Gase.
SO_2气体浓度的测定
■S is the concentration of unpaired nucleotides.
S是不配对的核苷酸的浓度。
■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;
■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。
■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。
■First gear concentration is acuteness.
一档集中剧烈。
■Chess requires great concentration.
下棋需要全神贯注。
■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。
■After a while, he lets his concentration lapse and moves away.
不久,他的注意力渐渐离开了。
■Concentration can increase brainpower.
专心能增加智力。
■A state of mental concentration.
专心致志,全神贯注全神贯注的状态
■Concentration is pretty much a forced type of activity.
专注更多是一种强迫的活动。
■Concentration is often called one-pointedness of mind.
专注经常被称为意识的单向性。
■Concentration comes out of a combination of confidence and hunger.
专注起源于自信与欲望的组合。
■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。
■The concentration of ethylene is on the high side.
乙烯浓度偏高。
■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。
■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。
■His area of concentration is economics.
他专心研究经济学。
■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。
■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。
■They strongly recommended concentration of offer.
他们极力建议集中报盘。
■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。
■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。
■He wrinkled his brow in concentration.
他全神贯注地锁紧眉头。
■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。
■His concentration on the problem was admirable.
他对那个问题的专注令人钦佩。
■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。
■He gave the matter his full concentration.
他把全部注意力都放在这件事情上。
■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。
■He is a boy with little power of concentration.
他是个注意不易集中的男孩。
■He has great powers of concentration.
他注意力很集中。
■His area of concentration is nuclear physics.
他的专门研究范围是原子物理学。
■His mouth was compressed into a thin line of concentration.
他的嘴抿成了一条线,显得很专注。
■His face was a study in concentration.
他脸上完全是一副全神贯注的表情。
■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。
■There was something pathetic in his concentration.
他那副专心致志的劲头看上去有点可怜。
■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。
■The great successes of life are made by concentration.
伟大的成就都是由专心造就的。
■Low concentration of CDCA does not damage the liver function.
低浓度 CDCA不损害肝功能。
■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。