科学家们还未完全掌握这一生物化学过程,但是此次发现开启了无氧行星上有复杂生命形式存在的可能性。
Scientists don't yet fully understand the biochemistry - but the discovery opens the possibility of complex life forms on oxygen-free planets.
“一个气体分子就可以破坏玻璃的硅氧键,并诱生一个缺陷。”Pennsylvania州立大学的材料科学教授CarloG . Pantano说。
Even one gas molecule can break a silicon-oxygen bond in glass, generating a defect, said Carlo G. Pantano, a professor of materials science at Pennsylvania State University.
因此,通过测量树的不同年轮(ring)中两种氧同位素的比例,并将结果比对年轮所显示的树龄,就可再现树木一生中所经历的所有飓风。
So, by measuring the ratio of the two isotopes in the rings of trees, and matching the result to the age of the ring, a history of hurricanes spanning the life of the tree can be reconstructed.
深的伤口是某些种类的细菌孽生的理想场所,因为那里的供血和供氧被切断。(译为原因状语从句)。
A deep wound, where the supply of blood and oxygen has been cut off, is the perfect place for certain kinds of bacteria to grow.
研究了重掺杂直拉硅单晶中掺杂元素硼、磷、砷、锑对氧沉淀及其诱生二次缺陷行为的影响。
The effect of dopants on oxygen precipitation and induced defects in heavily doped Czochralski (CZ) silicon is investigated.
生血宝胶囊可以提高运动员的血红蛋白含量,增加运动员血液携氧能力。
The Bloodproduction Capsule may increase the player's hemoglobin content and the oxygen content in the blood.
方法:采用BL 410生物机能实验系统检测犬心脏血流动力学,同时测定冠状动脉的血氧含量。
Methods: Cardic hemodynamics was detected by BL-410 biological function experiment systems, and blood oxygen content was measured at the same time.
通过分析试图了解这一生态系统中降解有机磷农药氧乐果细菌的季节消长动态。
Through analysing, we attempt to know the degrading omethoate bacteria's development of seasonal growth and decline in this ecosystem.
本文用超高压透射电子显微镜研究退火的高氧含量无位错直拉硅单晶中氧沉淀和诱生缺陷。
In this paper, oxygen precipitates and induced defects in annealed dislocation-free CZ-Si with high oxygen content have been investigated by HVEM.
介绍了具有代表性的好氧生物处理的两个典型实验的方法,讨论了作为研究生阶段开设这两个实验的具体的实验内容以及最佳运行方案。
The article introduced two typical experimental methods of aerobic biological treatment. And it discussed the experiment's concrete content and the best process in postgraduate period.
结果:生孢梭菌CFU计数培养基的CFU 计数结果明显优于营养琼脂培养基和厌氧琼脂培养基(P<0.01);
Results:The CFU counting efficacy of CFU counting culture medium for Clostridium sporogenes was apparently better than those of nutrient agar medium and anaerobic bacterial agar medium(P<0.01).
研究结果提示,MK-447很可能是通过作为前列腺素酯氧酶色氨酸样协同因子,从而发挥选择性增加PGI_2生成的作用。
These results suggest that MK-447 may selectively enhance the prostaglandin I2 (PGI2) level by acting as a tryptophan-like cofactor of PG endoperoxide synthetase.
重掺砷硅单晶在中高温退火时形成密度较高的氧沉淀及诱生缺陷。
The experimental results showed that high density of oxygen precipitation and induced-defects were formed after annealing of wafers at moderate and high temperatures.
本实验考察了氧应力和前体氨基酸对酿酒酵母hsjb1生物合成谷胱甘肽(GSH)的影响。
Effects of addition of precursor amino acids, glutamic acid, cysteine and glycin at varying concentrations on Saccharomyces cerevisiae HSJB1 biomass and GSH yield were also investigated.
结论:生脉注射液通过对抗氧自由基和脂质过氧化,对AMI所致的缺血心肌起到一定的保护作用。
Conclusion with the effects of anti-oxygen-derived free radicals and anti-lipid peroxidation, Shengmai injection has protective effects on the ischemic myocardium in patients with AMI.
目的制备由甲氧氯普胺速释层与萘普生钠缓释层组成的双层片。
OBJECTIVE to prepare bilayer tablet, which consists of a metoclopramide rapid release layer and a naproxen sodium sustained release layer.
结论过量氧耗除用于血乳酸的消耗外,可能生要用于丙氨酸代谢中的糖新生。
Conclusion we conclude that oxygen consumption after exhaustive maximal exercise is related to glucose resyntbesis through alanine metabolism, as compared with that from lactate metabolism.
生川乌炮制后生物碱大多数由双酯型水解转化为单酯型,水解反应最容易发生的位置在C8位,水解反应的类型是烷氧键发生断裂的酯的碱性水解。
After processing of crude aconite roots, most of the diester diterpenoid alkaloids converted to the monoester form, while C8 was the major location for such reaction. It is a ty…
生川乌炮制后生物碱大多数由双酯型水解转化为单酯型,水解反应最容易发生的位置在C8位,水解反应的类型是烷氧键发生断裂的酯的碱性水解。
After processing of crude aconite roots, most of the diester diterpenoid alkaloids converted to the monoester form, while C8 was the major location for such reaction. It is a ty…
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