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次生变化     
相关语句
  secondary change
     ⑤ Some natural gas has experienced secondary change,and the relatively heavy carbon isotope of hydrocarbons and the inverse carbon isotope of heavy hydrocarbons are the results of biodegradation.
     ⑤部分天然气遭受了次生变化,烃类碳同位素值偏重、重烃碳同位素值倒转均与细菌的生物降解作用有关。
短句来源
     The secondary change of bed thickness is often found in analysing palaeo-anticline.
     在进行古构造分析时,常会遇到地层厚度次生变化的影响。
短句来源
     Studying fine-grained carbonate rocks by ultra-technique can inquire into its vari-ous origin, secondary change in diagenesis and type of pores and evaluate its reservior properties.
     以超微技术手段研究细粒碳酸盐岩的结构,可探讨其多种原因,成岩次生变化和孔隙类型,并对其储集性能进行评价。
短句来源
     Organic inclusion is the miniature fluid sample in the reservoirs, it notes down the composition, temperature and pressure of oil and gas when oil gas reservoir forming by infill injection. It is the direct mark of oil gas secondary migration and accumulation for its good seal capability, and it isn′t commonly influenced by the secondary change in later period of oil reservoirs.
     有机包裹体是储层中的微型流体样品 ,它记录了油气充注成藏时古油气的成分和温度、压力条件 ,是油气次生运移聚集的直接标志 ,而且包裹体封闭性好 ,一般不受油藏后期的次生变化
短句来源
     On the premise that before secondary change the bed thickness changes gradually and the rock volume is constant,the au- thor uses translational iteration to eiiminate the secondary change of bed thickness.
     本文在未发生次生变化前地层厚度是渐变的和地层在次生变化前后其岩体体积不变的前提下,提出了用平移迭代法消去地层次生变化的方法。
短句来源
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  secondary alteration
     Secondary alteration during migration and/or in reservoirs makes chemical and isotopic composition rather complicated, especially the evaporative fractionation via micro leakage through cap rocks resulting in isotopic inversion.
     运移过程中和成藏后的次生变化使天然气的组成和同位素面目变得非常复杂 ,尤其是由盖层微渗漏造成的蒸发分馏作用使同位素出现倒转。
短句来源
  secondary changes
     MINERAL FACIES CHANGES AND SECONDARY CHANGES IN FERRO-MANGANESE NODULES
     铁锰结核的矿物相变和其它次生变化
短句来源
     THE OCCURRENCE STATE AND SECONDARY CHANGES OF ASSOCIATED SILVER OF THE QILINGCHANG Pb-Zn DEPOSIT, HUIZE
     会泽七○厂铅锌矿伴生银赋存状态及次生变化
短句来源
     this paper also discussed the potential secondary changes occured in gas of this region.
     本文还就该区天然气可能发生的次生变化进行了讨论。
短句来源
     The studied results show that different secondary changes occurred in fluid inclusions of various rocks and no primary inclusion has been found.
     研究结果表明:各类榴辉岩相岩石的流体包裹体均程度不同地发生了次生变化.未发现原生包裹体。
短句来源
  secondary variation
     SECONDARY VARIATION OF OOLITIC GRAINS ANDITS SIGNIFICANCE IN THE STUDY OF DIAGENESIS
     鲕粒在成岩作用中的次生变化及其意义
短句来源
     The concepts of primary and secondary variation of vitrinite refle-tance are proposed, and the factors affecting vitrinite reflectance, in particular the relationship between reflectance and the type, abundance of organic matter are discussed in detail in this paper based on the authors' study and the latest advances of China and foreign countries. It is suggested for the first time that vitrinite reflectance can be used as a marker of organic facies.
     本文在笔者研究的基础上,综合国内外最新研究成果,提出了镜质体反射率的原生和次生变化的概念,详细论述了影响镜质体反射率的因素,重点讨论了镜质体反射率与有机质的类型丰度的关系,在此基础上提出镜质体反射率可作为确定有机相的指标.
短句来源

 

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  secondary change
One case of slight secondary change in fragment-alignment and two cases of moderate shortening of the first metatarsal bone were noticed.
      
Terrestrial grazing later evolved by the development of maxillary spines, and in the case of the wigeon, a secondary change from the under tongue transport mechanism to over tongue transport for the grazing and pecking mechanisms only.
      
However, it cannot be excluded that clonal expansion of these lymphocytes may represent secondary change to central nervous system damage.
      
These preliminary data suggest that 99mTc-bicisate shows late ictal/early postictal hypoactivity which might represent the primary change in neuronal metabolism rather than the secondary change in cerebral blood flow.
      
On the other hand, the HTX fetuses demonstrated secondary change of the aqueduct in the perinatal period, although the model was considered to be of congenital communicating hydrocephalus.
      
更多          
  secondary alteration
The products of secondary alteration of Fe- and Ti-bearing minerals serve as the main sorbents of uranium.
      
The main manganese minerals are braunite and bixbyite, apart from secondary alteration products of the psilomelane-manganomelane family.
      
IR spectra of the olivine crystals show no effects of the weathering or secondary alteration.
      
Thaumasite, Ca3Si(OH)6(CO3)(SO4)12H2O, occurs as a low-temperature secondary alteration phase in mafic igneous and metamorphic rocks, and is recognized as a product and indicator of sulfate attack in Portland cement.
      
The increased sIL2R expression in MDS could be a primary event due to involvement of lymphocytes in the malignant clone or due to a secondary alteration of the cytokine network caused by chronic neutropenia.
      
更多          
  secondary changes
Since secondary changes of axons and myelin sheaths were mild, these lamellar cytosomes might indicate chronic damage to Schwann cells, perhaps by "wear and tear" as seen in aging as well as NCL.
      
Although the mechanism of denervation of the neuromuscular injunction by BTX is relatively well understood, secondary changes at the level of the basal ganglia, thalamus, and cortex, and their role in response to BTX, need further exploration.
      
The understanding of migraine pathophysiology has evolved from the belief that migraine is a vascular disorder, to evidence that better defines migraine as a neurogenic disorder associated with secondary changes in brain perfusion.
      
In that case secondary changes must be made in neighboring components, which may trigger additional changes, etc.
      
In that case secondary changes must be made in neighboring components, which may trigger additional changes, etc.
      
更多          
  secondary variation
Secondary variation was from acid standing water to fast-flowing streams and rivers.
      
  其他


three strata of stable breccia carbonate rocks scatter widely in Han Xing area of Hebei province, which, exposed on the earth’s surface, was considered as syngenetic breccia fram earlier this century to the middle of’70s. In 1976 the viewpoiut resulting in “post-formation”was put forward. However, the argument for this has not ceased up to the precent for lack of data and testimony. This paper, crediblely proves the three strata breccias to be the selenite dissolution breccia limestone in four aspects: the...

three strata of stable breccia carbonate rocks scatter widely in Han Xing area of Hebei province, which, exposed on the earth’s surface, was considered as syngenetic breccia fram earlier this century to the middle of’70s. In 1976 the viewpoiut resulting in “post-formation”was put forward. However, the argument for this has not ceased up to the precent for lack of data and testimony. This paper, crediblely proves the three strata breccias to be the selenite dissolution breccia limestone in four aspects: the occurrence in which the breccia limestone was for-med, the conditions of its distribution, and the nature of itself, the rela-tionslip with gypsumrock beds, the secondary change of the around rocks,and the feature of the ground water, which is mainly, based on a great deal of facts from the systematic rocks combined with the research on stratigrapby, petrology, mineralogy and hydrology. Andit, also based on this, gives a further classification for the mechanism of forming sele-nite dissolution breccia lime stone.

河北省邯邢地区,出露于地表的中奥陶地层中,广泛分布着三层稳定的角砾状碳酸盐岩。自本世纪二十年代初至七十年代中期,一直被认为是同生角砾岩。1976年有人提出“后生”成因观点,但由于材料不完备,证据不充分,至今仍争论不休。本文主要以大量的岩类学证据,结合地层学、岩石学、矿物学和水文学的研究,从角砾状灰岩的产状、分布、自身特征;与深部膏盐层的关系;围岩次生变化;以及地下水特点四个方面,令人信服地证明了三层角砾岩是膏溶角砾状灰岩。在此基础上,进一步阐明了膏溶角砾状灰岩的形成机理。

ABSTRACT

鲕粒是碳酸盐岩中最常见的颗粒之一。本文阐述了鲕粒在研究成岩作用中的意义,鲕粒的分类等问题。重点论述了鲕粒的次生变化,即:(1)在同生期及准同生期鲕粒形态的变化;(2)在压实作用中鲕粒形态的变化;(3)在压溶作用中鲕粒的变化;(4)在溶解作用中鲕粒的变化;(5)在重结晶作用中鲕粒的变化;(6)在白云石化作用中鲕粒的变化。

The secondary change of bed thickness is often found in analysing palaeo-anticline.On the premise that before secondary change the bed thickness changes gradually and the rock volume is constant,the au- thor uses translational iteration to eiiminate the secondary change of bed thickness.When bed thickness changes only in a single direction, the secondary change can be eliminated by linear regression method.

在进行古构造分析时,常会遇到地层厚度次生变化的影响。本文在未发生次生变化前地层厚度是渐变的和地层在次生变化前后其岩体体积不变的前提下,提出了用平移迭代法消去地层次生变化的方法。如果推测地层厚度向单一方向变化时,可用线性回归曲线进行校正。

 
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