...合物本身并不溶于常见的溶剂中,将这些不溶解的物质分散在液体介质中得到的是消光光谱而不是吸收光谱,测定的是消光(Extinction)而不仅仅是吸收(Absorption)。
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污染与捕获对种群系统的影响分析 Keywords: Population; Environmental Pollution; Capture; Persistence; Extinction [gap=305]关键词: 种群;环境污染;捕获;持续生存;绝灭
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...史书上实在屡次爆发〔004年雅典(Athens)奥运会(Olympic Games),在两个最严重的典礼上易胜博最新备用网址都呈现过熄火(Extinction)情景,一次易胜博最新备用网址忽然有意扑灭,一次(Once)是由于微风气象?绕鹨馔庀ɑ穑?
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Extinction Barium sulfate 消光硫酸钡 ; 消光钡
Voluntary Human Extinction Movement 人类自愿灭绝运动
extinction ratio [晶体] 消光比 ; 吸光比 ; 消光率
extinction voltage [电子] 熄灭电压 ; 淬火电压 ; 灭弧电压 ; 熄减电压
Extinction calcium carbonate 消光碳酸钙
Starlight Extinction 星光灭绝 ; 穆 ; 一克斯迪克兄 ; 穆星光灭绝
Resident Evil Extinction 劫后余生 ; 生化危机 ; 大灭绝
mass extinction [生态] 大量消亡 ; 大灭绝 ; 群绝灭 ; 物种大灭绝
Results of experiments have testified that smoke generated by some formulas has improved the effect of extinction in infrared waves.
实验结果表明,该文设计的某些配方在中、远红外波段消光效果明显。
参考来源 - 探索赤磷发烟剂衰减红外辐射的技术途径By using the limit theory and extension method,this paper studies the persistence and the extinction of a two-dimensional predator-prey Lotka-Volterra model in finite time.
利用极限理论与延拓方法,研究了捕食-被捕食二维Lotka-Volterra模型在有限时间内的持续生存与绝灭问题,即β持续生存与β绝灭问题。
参考来源 - 捕食The paper relates to the extinction properties of red phosphorus mixtures - combustion smoke in the infrared spectrum .
本文研究赤磷混合物燃烧生成固液粒子混合烟雾的红外消光性能。
参考来源 - 赤磷燃烧生成固液粒子烟雾的红外消光研究In chapter 4, the effects of impulses on the persistence and extinction of predator-prey systems are studied thoroughly.
第四章我们建立并系统地分析了脉冲效应对捕食系统持久性和灭绝性的影响。
参考来源 - 时变种群动力系统解的渐近性态By using the limit theory and extension method,this paper studies the persistence and the extinction of a two-dimensional predator-prey Lotka-Volterra model in finite time.
利用极限理论与延拓方法,研究了捕食-被捕食二维Lotka-Volterra模型在有限时间内的持续生存与绝灭问题,即β持续生存与β绝灭问题。
参考来源 - 捕食Sandstorms is a kind of calamity weather interacted by both winds and sands, it’s formation is closely concerned with many factors,including the global greenhouse effects, forest decreased quickly,vegetation destroyed,species extinction and abnormal climate.
沙尘暴是一种风与沙相互作用的灾害性天气,它的形成与地球温室效应、厄尔尼诺现象、森林锐减、植被破坏、物种灭绝、气候异常等因素有着不可分割的关系。
参考来源 - 我国沙尘暴的防治与生态环境建设The low concentration and long switch-time will lead too much heat lost and extinction ultimately.
浓度过低引起系统反应放热过少或者换向周期过长导致过多热量移出反应器都有可能发生“熄火”现象。
参考来源 - 流向变换催化燃烧反应系统特性与数值模拟·2,447,543篇论文数据,部分数据来源于NoteExpress
"the extinction of a species"
同义词: defunctness
"the extinction of the volcano"
"they think a meteor cause the extinction of the dinosaurs"
同义词: extermination
"the extinction of the lights"
同义词: extinguishing quenching
以上来源于: WordNet
N-UNCOUNT The extinction of a species of animal or plant is the death of all its remaining living members. (物种的) 灭绝
An operation is beginning to try to save a species of crocodile from extinction.
一项行动正在展开来拯救一个鳄鱼种类使其免遭灭绝。
N-UNCOUNT If someone refers to the extinction of a way of life or type of activity, they mean that the way of life or activity stops existing. (生活方式、活动的) 消亡
The loggers say their jobs are faced with extinction because of declining timber sales.
樵夫们说他们的工作因不断下降的木材销售而面临消亡。
The mountain gorilla is on the verge of extinction.
居住在山区的大猩猩已濒临灭绝。
They have driven the rhino to the edge of extinction.
他们已经把犀牛逼到了灭绝的边缘。
In the 19th century, inbreeding nearly led to the extinction of the royal family.
19世纪,近亲婚配几乎导致了皇室宗族的灭绝。
But Senator Lee says not all sharks are in danger of extinction.
VOA: special.2011.03.15
And, in fact, once you teach an animal something, if you stop doing the teaching the response goes away and this is known as extinction.
事实上,条件反射形成以后,如果得不到强化,条件反应就会逐渐消失,这就是消退。
wouldn't there be extinction after a while?
在强化消失后是否也会发生消退?
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