这个谜题的答案在于早期光合生命形式的新陈代谢活动，这种活动缓慢但一定改变了地球大气的化学成分。
The answer to this riddle lies in the metabolic activity of early photosynthetic life-forms that slowly but surely transformed the chemical composition of Earth's atmosphere.
他们也测量了老鼠的代谢活动。
MPS刺激了人类皮肤纤维细胞的代谢活动。
MPS stimulates the metabolic activity of human dermal fibrocytes.
使用手机会迫使大脑中的耳部区域的代谢活动发生变化。
Talking on a cell phone pressed to the ear changes activity in the brain.
目的探讨听力损失对脑葡萄糖代谢活动的影响。
Objective To investigate the effects of hearing loss on cerebral metabolic rate for glucose (CMRgl).
水温一方面直接影响着养殖对象的生理代谢活动；
On one hand, the water temperature affects directly physiological metabolism activity of cultivation object;
由于细胞中缺少氧气，所以细胞不能完成，它们的各种新陈代谢活动。
Because of the lack of oxygen getting to the cells, the cells are no longer able to carry on their various metabolic processes.
拉兹：所以，在那段时间里，理论上病人将经历一个没有代谢活动的时期。
RAZ: And so, during that period of time, in theory, a human being would experience no metabolic activity.
大脑扫描显示了脑细胞如何把葡萄糖转化为能量这一正常的新陈代谢活动。
The scans showed how the brain cells used sugar to produce energy, a normal activity.
许多调节生长和代谢活动的内分泌因子对青春期或者性腺的发育产生影响。
The endocrine factors which regulate growth and metabolism are also affected on puberty and gonadal development.
基因调控系统的时空精确性是保证团头鲂胚胎发育正常代谢活动的必要条件。
It is clear that the exactness of time-space effect in the gene control system is essential for ensuring normal metabolic activities in the ontogenesis of the blunt-snout bream.
温室内微气候条件下，不同整枝方式在很大程度上影响诸元素生理代谢活动。
The results indicate that different training can affect the metabolize of mineral elements in greet degree.
证明ABT生根粉参与了玉米的代谢活动，具有提高植株吸水耐旱能力的作用。
The results indicated that ABT participated the activity in the metabolism of corn plant and possessed the acti…
生理状态下，脑血流量维持相对稳定，以维持脑组织的正常神经功能和代谢活动。
Under the physiology condition, cerebral blood flow to keep relative stabilization, to keep the normal nerve function and metabolism activity of brain tissue.
它主要研究与人类疾病有关的病原微生物的形态结构，代谢活动，致病机理机体的。
It studies pathogenic microorganism relevant to human being disease form structure, supersession activity mainly, pathopoiesia mechanism airframe's.
转录因子低氧诱导因子1（HIF1）已被证明可以调节多个参与代谢活动的基因。
The transcription factor hypoxia-inducible factor 1 (HIF1) has been implicated in regulating many of the genes that are responsible for the metabolic difference.
然后，他们进行PET扫描和CT扫描去测量棕色脂肪的位置和代谢活动后的剩余量。
Then they underwent PET scans and ct scans to measure the location and metabolic activity of brown fat deposits.
硼作为植物的必需微量营养元素，在植物的细胞结构、能和代谢活动中具有极其重要的作用。
The Effects of Essential Trace Elements Manganese, Iron and Zinc on the Content of Aloin and Aloe-emodin in Aloe Barbadensis Mill. ;
硼作为植物的必需微量营养元素，在植物的细胞结构、功能和代谢活动中具有极其重要的作用。
As a micronutrient, boron is of important role in the structure, function and metabolic activity of plant cell.
代谢是生命活动中所有(生物)化学变化的总称。代谢活动是生命活动的本质特征和物质基础。
Metabolism is the total (bio) chemical changes in living organisms and metabolic activities are the basic features of living systems.
连续5天测定培养基的高锰酸钾指数，与参照比无明显变化，反映了其中微生物代谢活动比较微弱。
The 5 - day test of CODMn of the medium, the results show on distinct difference between experiment group and control group, which reflects low metabolism level of microorganism.
结果表明，在甘蔗伸长盛期乙烯利处理促进甘蔗蔗糖代谢活动，提高能量代谢水平，从而促进甘蔗生长。
These results indicated that ethephon treatment at boom growth stage could promote sugar transportation and energy metabolism, thus stimulating the plant growth.
原核生物与真核生物之间最大也是最主要的区别就在于真核细胞在特殊的代谢活动发生的地方包含了拥有膜包围的间隔间。
The major and extremely significant difference between prokaryotes and eukaryotes is that eukaryotic cells contain membrane-bound compartments in which specific metabolic activities take place.
雌激素通过其受体介导而发挥其生物学效应，调节颞下颌关节组织多种代谢活动，从而可能在颞下颌关节紊乱病的病理生理过程中起作用。
Since the estrogen educes the biological effects, which regulate the metabolism of temporomandibular Joint by the estrogen receptor (ER), it may play a role in the pathophysiology of TMD.
这种代谢消耗可能是由于唱歌或与唱歌相关的行为中涉及的肌肉和神经活动所产生的。
This metabolic cost may arise from the muscular and neural activity involved in singing or from behaviors associated with singing.
它可能通过食欲控制激素的活动来干扰身体的新陈代谢。
It interferes with the body's metabolism, possibly via the activity of an appetite-controlling hormone.
此外，水果含有各种身体活动如代谢所必需的酶，所以很难从肉类和加工食品中获得。
Moreover fruits have enzymes essential for various bodily activities like metabolism, so difficult to obtain from meats and processed foods.
此外，水果含有各种身体活动如代谢所必需的酶，所以很难从肉类和加工食品中获得。
Moreover fruits have enzymes essential for various bodily activities like metabolism, so difficult to obtain from meats and processed foods.
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