Its age determined by Rb-Sr isochron is 306 Ma , suggesting that it was formed at Hercynian.

  • 据Rb -Sr 等时线测定,其年令值为306Ma, 说明它形成于海西期.
  • 来源:互联网摘选更新时间:2025-01-18 15:34:13

  • 重点词汇
  • suggestingv.建议( suggest的现在分词 );暗示;使想起;启示;
  • isvt.& vi. 是(be的三单形式);
  • atprep. 在(某时间或时刻);在(学习或工作地点);在(某处);在…岁时;向;以,达;处于最佳(或最差等)状态;在…方面;以…的方式;从事于,忙于;因为,由于;应…(而)
  • itspron. (it的所有格形式)它的;厥;
  • Hercynianadj.海西的;
  • agen. 年龄;时代;老年;年龄段;
  • byprep. 在…旁边;表示方式;由于;经过;到…之前;
  • thatdet. 那个,那;
  • 相关例句
1、

The oscillations were isochronal.

这些振动是等时的.

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2、

The long term strength has gotten from the isochronal curves.

通过等时曲线簇确定该滑带土的长期强度.

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3、

According to this problem, this paper proposes a modified isochronal well test with hole liquid loading.

针对这个问题, 提出了一种存在井底积液时的修正等时试井资料解释方法.

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4、

Modified isochronal well test plays an important role in productivity evaluation of gas field.

修正等时试井在气田产能评价中发挥了相当重要的作用.

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5、

The algorithm is of the isochronic and discrete dynamic programming.

该算法是一种等时性离散动态规划法.

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6、

A programming example of isochronous transmission and asynchronous transmission based on 1394 is given.

文章还给出了IEEE1394同步和异步传输的程序代码示例.

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7、

At last A test report about bulk transfer and isochronous transfer in high-speed mode is given.

最后,给出了高速模式下块传输和同步传输的测试数据.

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8、

Isochronous stratigraphic interfaces are one of the most important marks of developing process of a basin.

等时性地层界面是沉积盆地成长过程中的主要记录之一.

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9、

The center conditions and isochronous center conditions for a class of quasi-analytic systems were investigated.

研究了一类拟解析系统的中心条件与等时中心条件.

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10、

Finally, the distribution and evolution of reservoir are analyzed within isochronous stratigraphic frameworks.

最后在等时地层格架内分析了储层的时空展布.

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11、

We can gain the isochronous-modulus curves from the curves of stress-strain ratios.

根据岩石蠕变的应力 - 应变比曲线可以近一步分析得到等时模量曲线.

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12、

It is synthesized by oxidation of isocitrate, coupled to the reduction of NAD.

由异柠檬酸氧化而来, 同时伴有NAD的还原.

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13、

Results Methyl isocyanate, chloride and oxide of Quercetin were prepared.

结果制备了槲皮素的甲基异氰酸酯 、 氯代化合物和氧化物.

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14、

Spectrophotometric determination of free isocyanate-group (-NCO ) content in polyurethane resin production is studied.

本文研究了分光光度法测定聚氨酯树脂生产过程中剩余— NCO 含量的方法.

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15、

A polyamide imide was synthesized from trimellitic anhydride and di isocyanate.

本文用偏苯三酸酐和二异氰酸酯合成了一种新型聚酰胺酰亚胺.

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16、

Polyether-type isocyanate prepolymers are prepared with polyether polyols and tolylene diisocyanate.

采用聚醚多元醇和甲苯二异氰酸酯合成了聚醚型异氰酸酯预聚体.

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17、

When isocyanate index and density increase, compression stress is strengthened , and the compression set is improved.

增加异氰酸酯指数和密度,微孔弹性体的压缩负荷显著提高, 压缩变定性能改善.

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18、

New unique modifiers of self-made hydroxyl acrylic resin ( emulsion ) and isocyanate terminal waterborne polyurethane were developed.

改性剂采用特制的羟基丙烯酸酯树脂 ( 乳液 ) 及端异氰酸酯基水性聚氨酯树脂.

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19、

Spectrophotometric determination of isocyanate-group in adhesive was studied.

研究了分光光度法测定聚氨酯中微量异氰酸酯基的方法.

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20、

This thesis is about the use of isocyanate as adhesive in making manboard with agricultural residues.

本文分六个章节内容说明异氰酸酯作为粘合剂在农作物秸秆人造板工业中的应用.

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