The Quaternary sediments are largely undeformed.
第四纪的沉积物大部分未变形。
The quaternary sediments are largely undeformed .
第四纪的沉积物大部分未变形。
A new colour reaction of the quaternary complex system of cobalt has been studied.
研究了钴的新型多元络合物体系的显色反应。
Maodong Canyon, the typical karst landform, is the relics of the quaternary glacier.
卯洞峡是第四纪冰川遗址，典型的喀斯特地貌。
The Quaternary glaciation started just a few million years ago – and is still going on.
第四纪始于几百万年以前，并延续到现在。
The steady (subsidence) stage of the Quaternary was the period of biogas accumulation.
第四纪盆地稳定沉降阶段为生物气聚集成藏时期。
The organic carbon minimum of the quaternary biogas source rock in Three-lake is 0.25%.
初步确定三湖第四系生物气源岩的有机碳下限标准为0.25%。
There is much interest in the timing and duration of the Quaternary glacial in the plateau.
青藏高原第四纪冰川形成的时间和范围成为人们关注的热点。
The quaternary structure was classified using support vector machine method and Bayes method.
用支持向量机和贝叶斯两种方法对蛋白质四级结构进行分类研究。
Is a legacy of the Quaternary glacial ancient trees on Earth over 250 million years of history.
是第四纪冰川遗留下来的古老树种，在地球上已有250万年的历史。
The Quaternary stratigraphic sequence in Gansu Province were established and were further perfected.
建立并进一步完善了甘肃第四纪地层层序。
It has proved that Markov chain method is an effective method in analysis of the Quaternary sedimentary layers.
结果表明，马尔柯夫链分析方法是该区第四纪地层分析的一种行之有效的方法。
The absorption of high-frequency composition by the Quaternary strata can greatly reduce seismic video frequency.
第四系地质对高频成分的吸收，使地震视频率大大降低。
In Jingyuan region, the Quaternary system developed well, and zoned clearly, and there are complex genetical types.
靖远地区第四系发良良好，分带性明显，成因类型较为复杂。
The quaternary ammonium salts of liensinine differ from d-tubocurarine by one less ether linkage in chemical structure.
莲心碱的季铵盐与箭毒块茎碱的化学结构不同，缺少一个氧醚键。
The evolution of sedimentary environment in the Quaternary in Dongting Basin is analyzed by using the flow energy index.
利用水流能量指数，分析了洞庭盆地第四纪沉积环境的演变特征。
It's evident that the ice sheets have gone through multiple stages of growth and retreat over the course of the Quaternary.
很明显，在第四纪，冰层已经历过生长和消融的多个阶段。
The reducing in water production of tube well is a familiar problem, especially in the loose bed of the quaternary system.
管井出水量减少是常见的问题，特别是第四系松散层中的管井更为普遍。
The cool temperatures of the Quaternary may have allowed our brains to become much larger than those of our of hominid ancestors.
第四纪的凉爽气温或许让我们的大脑比人类远祖的大脑更大。
Antibodies respond to the quaternary structure of proteins so their potential to cross-react with an alloantigen is very low.
抗体对蛋白质的四级结构产生应答，因此它们对同种异型抗原发生交叉反应的能力较弱。
This kind of strata is distributed widely in the Quaternary overburden layer of mountain riverbeds and mountain sloping field.
这类地层广泛存在于山区河床，山前坡地等第四系覆盖层中。
The west branch fault has been of strongly active since the Quaternary period and its activity is of difference at different segements.
西支断裂第四纪以来活动强烈且具明显的差异性，东支断裂从晚第三纪末起已停止活动。
The unique depositional environments of this area in the Quaternary are the important conditions for forming the large scale biogenic gas pools.
本区第四纪独特的沉积环境是形成大型生物气藏最重要的地质条件。
In this paper, the gamma-ray curves of the Quaternary of Sanhu area in eastern Qaidam Basin are analyzed using frequency spectrum analysis method.
本文采用频谱分析对柴达木盆地三湖地区第四系自然伽马测井曲线进行了系统分析。
Maars of various scales produced by phreatomagmatic eruption are widely distributed in the Quaternary volcanic region of the Northern Hainan Island.
琼北第四纪火山区分布着为数众多、大小不一的射气岩浆喷发成因的低平火山口。
Some proteins consist of more than one polypeptide chain, and the association of these subunits in the protein gives rise to the quaternary structure.
一些蛋白质不只是由一个多肽链组成的，并且这些蛋白质亚基的结构产生了四级结构的。
Although organic abundance of the quaternary gas source is low, a great deal of gas could be produced, demonstrating with organism simulation testing.
虽然第四系气源岩有机质丰度较低，但通过生物模拟实验证实可以大量产出天然气。
It is the classification for the Quaternary stratigraphies of Hebei Plain study to build a platform for the aquifer structure model of the North China Plain .
该文是在以往研究基础上对河北平原第四纪地层划分的一次探讨，其成果为建立华北平原含水层结构模型搭建了平台。
It is the classification for the Quaternary stratigraphies of Hebei Plain study to build a platform for the aquifer structure model of the North China Plain .
该文是在以往研究基础上对河北平原第四纪地层划分的一次探讨，其成果为建立华北平原含水层结构模型搭建了平台。
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