index fossil

index fossil的基本解释

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标准化石

与index fossil相关的网络例句 [注：此内容来源于网络，仅供参考]

According to the color index of kerogen and micro-algae fossil, it is demonstrated that thepaleotemperature of the black shale series ranges from 60℃to 110℃.

按照干酪根和微体藻类化石颜色指标，大致确定该地层的古地温为60℃～110℃。

In the early 1800's each layer of rock was given a name,an age and an index fossil.

年代早期，他为每个地层取名，设定年代以及标准化石。

The stratigraphical analyses have shown that Listracanthus appeared together with Petrodus in the same strata could be an index fossil for Upper Carboniferous.

生物地层学分析表明，这2个器官属的共生出现，可以作为判断晚石炭世地层时代的一个依据。

There are three categories of maturity indicators of organic matter in current petroleum industry to evaluate the degree of thermal evolution for source rocks, including: 1 optical indicators, i.e., vitrinite reflectance, bitumen reflectance, sporopollen color and thermal alteration index, conodont color alteration index, and reflectance of fossil fragments; 2 chemical indicators, i.e., the maximum temperature in pyrolysis of organic matter, methyl phenanthrene indicator, the atomic ratio of H/C, carbon isotope indicator, and biomarker indicators; 3 indicators of spectroscopy, i.e., the free radical concentration of kerogen, the average structural scale of aromatic nucleus of kerogen, and the laser-Raman spectrum of organic carbon.

摘 要：当前常用的有机质成熟度指标包括3大类：1 光学指标，包括镜质体反射率、沥青反射率、孢粉颜色、热变指数(thermal alteration index， TAI)、牙形石色变指数(color alteration index， CAI)和生物碎屑反射率；2 化学指标，包括有机质最大热解峰温度、甲基菲指数(methyl phenanthrene indicator， MPI)、H/C原子比值、碳同位素指标和生物标志物指标；3 谱学指标，包括干酪根的自由基浓度、干酪根芳核平均结构尺寸和有机碳激光拉曼光谱。

与index fossil相关的网络解释 [注：此内容来源于网络，仅供参考]

index fossil：标准化石

index formation 标准建造 | index fossil 标准化石 | index gauge 指示计

index fossil：指示化石

indeterminate plants 中间性植物类 | index fossil 指示化石 | index number 指标

index fossil：指標化石

indeterminate plant 難定性植物 | index fossil 指標化石 | index of basic contagion 基本集合度指數

index fossil：标志化石

小壳化石 small shelly fossil | 标志化石 index fossil | 带化石 zone fossil

province index fossil：地区指标化石

(植物地理分布单位的)地方 province | 地区指标化石 province index fossil | 原始病毒;与寄主染色体同调增殖的病毒 provirus