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Making use of seismic data is able to characterize reservoir, and to improve reservoir management during the development of new fields as well as the infilling well and enhanced oil recovery in old fields. Seismic technique has now extended into production phase from exploration phase.

无论是开发新的油气田，还是在老的油田钻加密井、扩边井，乃至提高油气采收率，使用地震资料均能够较完整地刻画油藏的特征，改善油藏管理，为了适应油气田开发和开采的需要，地震技术已从勘探领域延伸到开发领域，正在逐渐形成一门新的学科——开发地震。

No matter in initiatory phase or rapid development phase , all enterprises pays more attention to maintain sustainable growth .

无论是处于创业阶段还是处于快速发展阶段的企业都十分关心能否实现自身的可持续成长。

This thesis proposes another approach, which makes the phase current be inphase with each phase back-EMF respectively by tuning a parameter in the new sensorless algorithm at the steady state to intentionally produce rotor position estimation error.

此外，为了提升稳态时马达的运转效率，本论文提出一个参数调整机制，刻意的使估测结果产生误差，使各相电流能与反抗电动势同相。

For this reason, the concept "flow point" in the interdiffusion field is proposed and the methods of fluid mechanics are applied to construct the phenomenological theory for describing the interdiffusion growth of solid phase. Two types of phase growth, i.e.

为了解决这一问题，作者借鉴流体力学的基本概念和方法，通过建立固体互扩散区域中"流点"的概念，推导了描述固体互扩散生长的普适方程，严格区别了相的体积生长与界面生长方式，并给出多元扩散偶中相生长的一般动力学描述。

HEF4752 takes on another important role in this design, it produces the three-phase SPWM wave signal, this signal actuates the invertor to cause it to have the symmetrical three-phase output.

HEF4752在本设计中担当另一个重要的角色，它产生三相SPWM波的信号，该信号去驱动逆变器使之产生对称的三相输出。

The operation of a five-phase hybrid step motor with five-phase bridge invertor and the motor parameters and their measuring way are studied in detail, so that the basis and tre ane provided for the design of drivers.

本文详细研究了五相混合式步进电动机在五相桥式功放逆变器供电条件下的运行问题，研究了这种电动机的参数及测试方法，为驱动器的设计提供了依据和基础。

The one located between the two binary isomorphous phases,Ag_3Sn and Ag_3Sb,is labeled as ε and the other one located between the two binary isomorphous phases,Ag_4Sn and Ag_4Sb,is labeled as ξ.The c phase is a very stable phase and is in eq...

相为一很稳定的相，分别与ξ、Sb、SbSn、Sb_2Sn_3及液态 Sn 相平衡共存，Ag 在 Sb、SbSn 相的溶解度很低，且在此系统有一个计量系数化合物 Sb_2Sn_3。

A systematical method, which can be applied to calculate the mechanical exergy including a phase change process, was put forward, based on the theoretical analysis of the phase change and the capability of doing work in an isothermal process.

为此，通过对定温变压过程下物态变化及其做功能力的理论分析，提出了适用于含相变过程的完整的机械火用计算方法。

The growth retardation by temperature change is attributed mainly to the prolonging of lag phase, and the specific growth rate of rBHK cells was almost independent on the variation of temperature in exponential phase.

在不同温度的脉冲培养中，细胞的比生长速率变化不大，表明进入对数生长期后，细胞生长对一定范围的温度变化不敏感。

Results indicate that xPMnS-(1-x) PZN ceramics show disperse phase change characteristic and obvious dielectric thermal lag in the course of the phase change.

结果表明，xPMnS-(1-x)PZN陶瓷具有弥散性相变特点，在相变过程中存在明显的介电热滞。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。