火星甲烷的特定同位素组成能揭示它的来源是生物化学活动还是来自于地质化学过程。
The Mars methane's specific isotopic makeup could reveal whether its origins are biochemical or geological.
碳循环是一个生物地质化学循环圈，碳通过此循环在生物圈、土壤圈、地层、水圈、大气中交流。
The carbon cycle is the biogeochemical cycle by which carbon is exchanged among the biosphere, pedosphere, geosphere, hydrosphere, and atmosphere of the Earth.
此外，使用地质化学方法可以从空气直接收集二氧化碳，因此，很大程度降低在分散资源中排放二氧化碳的处理成本。
In addition, the use of geochemical processes allows the direct capture of CO2 from the air, thus potentially lowering the cost of managing emissions from dispersed sources.
不过，澳大利亚卧龙岗大学的地质化学家艾伦·纳特曼认为，尽管这项研究对部分锆石包体提出怀疑，但其它一些包体仍然可能提供有价值的信息。
Still, Allen Nutman, a geochemist at the University of Wollongong in Australia, says that although the work casts doubt on some zircon inclusions, others may still provide valuable information.
“信使号”（MESSENGER）就是“水星表面，空间环境，地质化学以及广泛搜所任务”的缩写，它将飞入宇宙中最小且离太阳最近的行星，199千米的水星。
Messenger, which stands for Mercury Surface, Space Environment, Geochemistry and Ranging, swooped within 199 kilometers Mercury, the smallest planet in the Universe that is also closest to the Sun.
科学态度的本质是什么，研究和应用物理、生物、化学、地质、工程、医学或其他科学的人的态度是什么？
What is the nature of the scientific attitude, the attitude of the man or woman who studies and applies physics, biology, chemistry, geology, engineering, medicine or any other science?
食腐动物和细菌的攻击、化学性腐烂，以及侵蚀和其他地质作用的破坏，导致无法保存的可能性非常大。
Attack by scavengers and bacteria, chemical decay, and destruction by erosion and other geologic agencies make the odds against preservation very high.
如果碳浓度上升得足够高，则大洋中化学成分的改变可以预料到会对地质编录产生直接的影响。
And the changes in ocean chemistry are the sort of thing that can be expected to have a direct effect on the geological record if carbon levels rise far enough.
地质特征暗示着火星上曾经流动着液态水，而现在悄无声息的死火山也曾经一度繁荣，在地表和火星内部进行着化学物质交换。
Geologic features imply that liquid water once flowed across the surface, and volcanic activity, now dead, once flourished, recycling chemicals and minerals between the surface and the interior.
目前我们一般用地球物理学、地质学和化学方法进行地震预测。
Several specific geophysical, geological, and chemical methods are presently used for earthquake prediction.
地质学家正在调查位于早期人类化石发现地之下的碳酸盐岩的化学组成。
Geologists are investigating the chemical composition of carbonate rocks that lie beneath the surfaces where early human fossils have been uncovered.
对地下水样进行基础地质和地球化学方面的分析，有助于预测地下水微量元素的迁移。
Basic geology and geochemistry of water samples helps to predict occurrence of trace elements in groundwater.
我们想知道有一个包括地质，生物，化学，物理学和名单将继续广泛。
What we want to know has a wide range including geology, biology, chemistry, physics and the list will go on.
“它做到了以与我们所知完全不同的方式生存，”加州门洛帕克的美国地质勘探局的生化学家、首席研究员FelisaWolfe - Simon说。
"It has solved the challenge of being alive in a very different way than we knew of," said lead researcher Felisa Wolfe-Simon, a biochemist with the U.S. Geological Survey in Menlo Park, Calif.
“它做到了以与我们所知完全不同的方式生存，”加州门洛帕克的美国地质勘探局的生化学家、首席研究员FelisaWolfe - Simon说。
"It has solved the challenge of being alive in a very different way than we knew of," said lead researcher Felisa Wolfe-Simon, a biochemist with the U. S. Geological Survey in Menlo Park, Calif.
来自加拿大卡尔加里地质调查所的地球化学家StephenGrasby和他的同事们今天早晨在《自然地理学科》杂志的网站上发表了一个关于火山爆发的新见解。
Geochemist Stephen Grasby of the Geological Survey of Canada in Calgary and colleagues report online today in Nature Geoscience a new twist on the volcano notion.
这种岩石样品叫做岩心。可用地质的和地球化学的方法对岩心加以分析。
Such rock samples are called cores, and it is possible to analyze them by both geological and geochemical methods.
课程包括地质学，液体力学，化学，热力学和经济学。
Courses include geology, fluid mechanics, chemistry, thermodynamics, and economics.
残存于地质地层中的有机化学物质，当这样的地层被发现时，可以预测出那个地层形成时期的生命活动现象。
Chemical fossils Particularly resistant organic chemicals present in geological strata that are thought to indicate the existence of life in the period when the rocks were formed.
研究岩石和矿物是，地质学家用原子、分子和晶体的化学与物理概念。
In their study of rocks and minerals geologists apply chemical and physical concepts of atoms, molecules and crystals.
地球化学省是区域岩石圈演化过程中形成的，是具有共同成因的、一定规模的地质单元的地球化学表现。
The geochemical province, formed in the course of regional lithospheric evolution, is characterized by geological units with common origin and certain sizes.
论述了金矿多期多阶段叠加成矿成晕的地质地球化学特征。
The paper deals with geochemical characteristics of ore forming and halo forming processes of Au deposits with several metallogenic stages.
论述了金矿多期多阶段叠加成矿成晕的地质地球化学特征。
The paper deals with geochemical characteristics of ore forming and halo forming processes of Au deposits with several metallogenic stages.
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