气温变化周期是根据氧同位素测定的大量远古温度记录而推演出来的。 气温变化周期与人类演化进程的对照，暗示“黄金时期”与气候急剧波动而短暂的时期相对应。
What marked out this period was a greater range of recorded temperatures, suggesting it was a time of rapid but short-lived fluctuations in climate.
本文着重探讨其变质作用类型，计算主要影响因素的变质温度，模拟其变质演化过程。
The paper emphatically probe into metamorphism type, and counted the metamorphic temperature as main influence factor a nd simulated the evolutionary process of metamorphism.
AGB星常常表现为光度不变、表面温度大大增加的演化特征。
The evolution characters of post-AGB stars often appear to be constant luminosity, and great increase of their surface temperature.
定量分析了整个轧制过程环件内的温度、等效应变、双向轧制力的分布和演化情况。
Distribution of temperature, equivalent plastic strain and radial and axial rolling force have been quantitatively analyzed in the whole process.
本论文我们提出一种新的方法来定温度和电离度的演化。
In this paper, we proposed a new method to determine the evolution of temperature and ionization fraction.
该模型给出了一个新的背应力演化方程，引入了非比例度参量，并且还考虑了最大塑性应变幅值记忆效应和温度效应的影响。
In this model, a new kinematic hardening equation was used; the non-proportionality, the effect of temperature and memorization for the maximum plastic strain amplitude were also considered.
说明有机质的成熟度与温度和加热时间成正相关，而压力增加抑制了有机质的成熟演化。
It indicate that the organic maturation is of positive correlation with temperature and heating time, but pressure raise restrains maturation and evolution of organic matter.
根据包裹体在矿物中的产状和荧光颜色，能查明原油运移的时间、温度和通道，从而揭示原油的成藏演化史。
The inclusion shape in the minerals and the color of fluorescence determines time, temperature and pathway of crude migration, revealing the reservoir formation and evolution history.
水活度的演化特征表明，变质流体在变质作用过程中，对变质反应温度起着一定的缓冲作用。
The evolutionary feature of the water activity shows that the metamorphic fluids may have played a buffering role in the metamorphic reaction temperature during the metamorphic stages.
沥青反射率及储层的包裹体均一化温度显示：下奥陶统烃源岩有机质演化处于高成熟阶段。
According to the data on the bitumen reflectance and inclusion homogenization temperature, it is shown that the organic matters in Lower Ordovician source rocks are in the high maturity stage.
采取等效模冷法，分别模拟了冷送和热送过程钢锭表面和心部温度场的演化。
Through proposed equivalent mould cooling method, the temperature evolution of cold feeding ingot and hot feeding ingot process were simulated and investigated, separately.
本文将从流体包裹体均一化温度测定出发，结合盆地热演化史，系统分析鄂尔多斯盆地上古生界各个含气层系的油气充注史。
On the basis of homogenization temperature of inclusion, combining with thermal evolution history of the basin, infilling time of gases reservoirs of Ordos basin is analyzed.
参照经典塑性力学的屈服面理论，引入了温度作用下应力空间中脆性岩石的损伤面模型，定性地讨论了荷载和温度影响下损伤面时的演化规律。
Giving an imitation of traditional plastic theory , a damage surface model on brittle rock about temperature in stress-space is introduced and the evolutionary law is discussed qualitatively.
利用流体包裹体研究油气充注史的核心问题是流体包裹体均一化温度的可靠性、埋藏热演化史的准确性。
The reliability of the homogenization temperature and the veracity of burial thermal evolution history is the key question in the study of infilling history of gas reservoirs by using fluid inclusion.
随着温度的升高同一体系内的熔体成分均向酸性方向演化。
And at the same localized melting system, compositions of melts run to acid along with the increase of temperature.
使用这个模型，演化与D /E区电离层的加热时间，加热和冷却时间尺度的电子温度的档案，在本文的计算。
Using this model, evolution profile of electron temperature with heating time in ionospheric D/E region, heating and cooling time scale, are calculated in this paper.
研究了激光脉冲能量对等离子体电子温度的影响和等离子体电子温度的时间演化特性。
The influence of laser pulse energy on the electron temperature and the temporal evolution of electron temperature were studied.
研究结果表明：数值试验的声发射与实际试验中的热红外辐射温度具有类似的时序变化阶段和空间演化特征。
The detected TIR is analyzed and compared with the numerical test results of AE. It shows that the spatiotemporal characteristics of TIR radiation and AE are similar.
利用这一解答，分析了常温度荷载和变温度荷载两种情况下圆柱热固结的演化过程。
Using the solutions, the evolution processes of thermal consolidation for a cylinder under axisymmetric conditions are studied for both constant and variable thermal loading conditions.
利用这一解答，分析了常温度荷载和变温度荷载两种情况下圆柱热固结的演化过程。
Using the solutions, the evolution processes of thermal consolidation for a cylinder under axisymmetric conditions are studied for both constant and variable thermal loading conditions.
应用推荐