In surveying potential candidates for "new Earths," astronomers look for traces of biological activity, such as the presence of oxygen.
在可能成为“新地球”的调查对象中,天文学家搜寻生物活动的迹象,例如检查是不是有氧气。
Commander Dylan Schmorrow, a cognitive scientist with the navy, devised a crown of sensors to monitor activity in the brain such as blood flow and oxygen levels.
海军中校迪伦·斯莫罗是一位认知科学家,他设计出一种传感器人造冠,用来监测大脑的一些活动,如血流量和氧含量。
The electrical activity excites the brain and increases oxygen - and glucose-rich blood flow to the cerebral cortex, the area of the brain that controls cognitive function, personality and emotion.
电子活动激发大脑,并增加氧和葡萄糖丰富的血液流向大脑皮质——大脑的控制认知功能,个性和情绪的领域。
Dr Giulivi found that mitochondria from children with autism consumed far less oxygen than those from the control group. That is a sign of lower activity.
Giulivi博士发现与对照组相比,自闭症儿童细胞的线粒体消耗的氧气量要少得多,反映出活跃性较低。
It is true that human activity is causing a steady, measurable decline in the oxygen content of the world's air, although as yet this decline is negligible.
的确,人类的活动导致全球空气中的含氧量在以稳定的,可以测量到的幅度下降。尽管如此,但这种下降是微乎其微的。
Bound to two atoms of oxygen, it creates carbon dioxide, the chief greenhouse gas that has kept our planet warm for billions of years - and is now, thanks to human activity, making us too warm.
碳原子和两个氧原子相结合组成了二氧化碳,是数十亿年来保持我们地球温度的重要温室气体。但是近些年来由于人类的活动,地球温度不断上升,导致温度过高。
As New Scientist's Feedback column has noted over the years, these snake-oil salesmen exploit a bafflingly persistent myth, that industrial activity has sucked much of the oxygen out of the air.
正如多年前《新科学家》杂志的反馈专栏所写的那样,这些卖骗人玩意儿的商人们利用一直存在的,令人困惑的却毫无根据的传说来欺骗消费者。说工业生产吸走了空气中大量的氧气。
The GNFs show excellent electrocatalytic activity toward the oxidation of methanol and the reduction of oxygen.
在甲醇的氧化和氧气的还原反应中,金纳米花显示出优良的电催化活性。
Cardiorespiratory fitness, or aerobic fitness, is the ability of the circulatory and respiratory systems to deliver oxygen to skeletal muscles during sustained physical activity or exercise.
心肺适能,或有氧适能,是指持续体力活动或锻炼时机体循环系统和呼吸系统向骨骼肌供氧的能力。
As altitude increasing, air pressure as well as oxygen pressure does decrease. Hypobaric hypoxia has become the main factor of interfering with life activity.
随着海拔高度的增加,大气压降低,氧分压随之下降,低压缺氧成为危害机体机能活动的主要因素。
The reflected light changes depending on whether the blood vessels at that point are oxygenated or depleted of oxygen, showing the level of brain activity.
反射光随着血管的氧合与去氧合状态的切换而改变,显示了大脑活动水平。
OBJECTIVE: To observe the effect of intermittent high concentration oxygen on antioxidase activity and pulmonary tissue in rats.
目的:观察间断、高浓度吸氧对大鼠抗氧化酶活性及肺组织的影响。
Seeing oxygen in another planet's atmosphere would be a giveaway of biological activity because the gas is so reactive that it needs to be continuously renewed.
在其他星球的大气层发现氧气则表明这个星球上有生物活动,因为氧气是一种非常活跃的气体,所以他需要不停的更新。
Objective To discuss the effect of hyperbaric oxygen (HBO) therapy on the daily living activity and depression after craniocerebral injury.
目的探讨高压氧治疗对颅脑损伤后抑郁患者日常生活活动能力和抑郁心理的影响。
Compare SpO2 levels whenever oxygen therapy is initiated or discontinued, before and during sleep, before and during activity, and after removal of secretions with suctioning.
比较氧疗开始或结束、睡前和睡眠期间、活动前和活动时、及抽吸分泌物后的动脉血氧饱和度。
After hydrogenolysis of wheat alkali-oxygen lignin, the lignin has more hydroxyl, which can easily promote the reaction activity of synthesis of macromolecular material.
对氧碱木质素进行氢解后,经基比例明显提高,更有利于提高合成高分子材料的反应活性。
Test data indicated that the oxygen evolution activity of the Pt-coated titanium electrode is higher than that of a platinized titanium electrode in water electrolysis.
测试数据表明,在水电解中,钛涂铂电极析氧活性高于钛镀铂电极。
High boiling silicone containing activity is the base of group oxygen, easy solidified into methyl silicone membrane.
高沸硅油是含有活性甲氧基、乙氧基基团的甲基硅油,容易固化成膜。
The activity of superoxide dismutase (SOD), an important enzyme that can eradicate the oxygen free radicals, has great influence on the stress resistance of plant.
作为一种重要的氧自由基清除酶-超氧化物歧化酶(SOD),其活性水平对植物抗逆性有着重要影响。
The main reason of coal spontaneous combustion is interaction between surface activity structure of coal and oxygen.
煤自燃主要是由于煤表面活性结构与氧之间相互作用的结果。
The oxygen activity of converter molten steel directly influences the yield of alloy and quality of steel.
转炉钢水中的氧含量直接影响合金收得率和钢水的质量。
The pretreatment of activated sludge by ultrasound was studied to improve sludge activity as denotation using oxygen uptake rate (OUR). And this was validated by artificial sewage treatment.
研究了超声波对活性污泥活性的影响,用污泥好氧速率OUR来衡量活性,并通过模拟人工废水试验验证。
Aerobic exercise is any rhythmic and continuous activity that USES oxygen and large muscle masses of the body, such as the arms and legs.
有氧运动就是有节奏的、持续的活动。它需要耗氧并且锻炼像手臂和腿部的大块肌肉。
Objective To study the modulating effects of reactive oxygen on the neural cells and antioxidative activity of cerebrolysin.
目的探讨活性氧对神经细胞活性的调控及脑活素的抗氧化功效。
The effect of different treatments with exogenous active oxygen species (H_2O_2, ′O_2 and·OH) on SOD activity as well as O_2~-· and MDA contents in fruit peel tissue was studied with Fuji apples.
以红富士苹果为试材,探讨了不同种类外源活性氧处理对果皮组织超氧化物歧化酶(SOD)活性以及超氧·)和丙二醛(MDA)含量的影响。
To increase blood flow and accelerate blood circulation, improve the oxygen content of the body. Increase the cell's activity, deeply welcomed by the sub-health people.
增加血液流量,加速血液循环,提高身体含氧量。增加细胞活性化,深受亚健康者的欢迎。
These results suggest that oxygen free radicals may damage the activity of cytochrome oxidase, the reduction of which may play an important role in the injury of renal ischemia and reperfusion.
提示氧自由基可能损害细胞色素氧化酶活性,细胞色素氧化酶活性降低在肾缺血再灌流损伤中可能起重要作用。
Objective To observe the effect of gastric motility and gastric electric activity on sleep deprivation and the changes of calcitonin gene-related peptide(CGRP) and nitro oxygen(NO).
目的观察睡眠剥夺对胃排空、胃电活动及降钙素基因相关肽(CGRP)和一氧化氮(NO)的影响。
Objective To observe the effects of hyperbaric oxygen on the proliferation rate and total cytotoxicity T lymphocyte(CTL) activity of rat splenic lymphocytes.
目的观察大鼠体外脾淋巴细胞经不同压力—时程的高分压氧处理后淋巴细胞增殖及细胞毒性T淋巴细胞(CTL)杀伤能力的变化。
Objective To observe the effects of hyperbaric oxygen on the proliferation rate and total cytotoxicity T lymphocyte(CTL) activity of rat splenic lymphocytes.
目的观察大鼠体外脾淋巴细胞经不同压力—时程的高分压氧处理后淋巴细胞增殖及细胞毒性T淋巴细胞(CTL)杀伤能力的变化。
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