查询词典 delta

It has been defined to be delta facies, which is further classified into two subfacies of delta plain and delta front.

通过绘制沉积微相平面分布图，建立该区青山口组沉积模式，为有利勘探区研究提供了依据。

The deposital system was composed of three whole deposital association including delta plain, the front of delta and frontal delta.

其中该三角洲体系由三角洲平原、三角洲前缘和前三角洲三个完整的沉积组合构成。

Diapir bodies are distributed in the lower slope of the abandoned delta lobe in the north of the Yellow River delta, the formation mechanism of which is related to the marine erosion and greatly different from that in the Mississippi delta.

黄河三角洲刺穿体分布在废弃三角洲叶瓣水下斜坡的下部，成因与密西西比三角洲有很大差别，其形成与软弱层变形和海洋侵蚀密切相关。

Dispart the delta front to inner delta front and outer delta front.

在平面微相展布研究的基础上将研究区三角洲前缘亚相划分为三角洲内前缘和三角洲外前缘。

Controlled by north and west depositional system, Fu-Yang oil-bearing layer consists of delta distributary plain and delta front sub-facies depsits of delta depositonal system, widely distributed various distributary channel sand deposits come into being favorable reservoir space.

目的层段扶杨油层沉积时期处于松辽盆地坳陷期的加速沉降阶段，受控于北部和西部沉积体系韵扶杨油层处于三角洲分流平原及三角洲前缘亚相，沉积的各种河道砂体平面上错迭连片，为扶杨油层形成大面积岩性油藏提供了良好的储集空间。

Ln this paper the effect of the position and planform of the canard wing on the burst process of the leading edge vortices over thedouble delta wing and the aerodynamic characteristics of the fighterconfiguration with the double delta wing are presented Furthermore,optimum fighter with the canard-double delta wing has been given.

本文给出了鸭翼对双三角翼气动特性及涡的发展和破裂过程的影响，进而分析了鸭翼位置、平面形状对全机气动特性影响的机理，并提出了合理的鸭翼双三角翼布局形式。

Chapter 4 of this dissertation has carried out a physical simulation study about the processes of formation and laws of evolution of the fan delta in Baimiao gas field. Based on the results of the study about the geological background in this area, this paper has discussed about the sedimentation facies marks for the fan delta in Baimiao gas field, worked out a detailed proposal about the development of physical simulation experiment about the fan delta, and described in detail the general laws and major controlling factors governing the sedimentation processes of the fan delta. A detailed measurement was made about the experimental results, and a systematic comparison was made relative to the prototypic characteristics. Based on the observation and description about the experimental processes and the analyses about the experimental results, this paper has give

在本章中，指出了数值模拟研究的基本特点，给出了扇三角洲形成过程的基本控制方程和数学解法：在此基础上设计和开发了扇三角洲形回成过程的平面二维数值模拟软件，并对计算过程中所遇到的主要问题一计算速度较慢开展研究，对比了以天、旬、月为时间单元进行汁算对沉积结果的影响，研究认为，在流量无突变的情况下，可以适当增长计算的时间步长和适当放松精度要求；根据白庙气田扇三角洲的基本地质特征设计了数值模拟计算的基本条件，以月为单位，计算了扇三角洲四百年的形成过程及演化规律，并以50年为单位输出沉积结果；本章最后还对数值模拟方法及结果进行了讨论。

Based on the analysis of depositional setting and facies mark, the thesis ascertains that Fuyu oil layer develops braided delta and the subfacies of delta front can be divided into delta front body and delta front end.

通过区域沉积背景与沉积相标志相结合的研究，确定了研究区扶余油层属于辫状河三角洲沉积体系，三角洲前缘亚相可分为三角洲前缘主体、三角洲前缘末端2个区带。

The invention discloses an optical-fiber all-optical code converter, comprising a temperature control circuit as well as optical-fiber Mach-Zed interferometer, heat sink, semiconductor refrigerator, thermosensitive resistor and radiator, where the interferometer is composed of two cascaded 3dB couplers on the heat sink, the relation between length difference delta L of two arms of the interferometer and generated delay time difference delta T is that delta L=c.delta T/n, where c is light velocity in vacuum and n is refractive index of optical fiber; the thermosensitive resistor is used to detect temperature of interferometer, the temperature control circuit is used to compare feedback voltage of the thermosenstive resistor with a given voltage to regulate working current of the semiconductor refrigerator, and the semiconductor refrigerator refrigerates or heat two arms of the interferometer by the heat sink.

本发明公开了一种光纤型全光码型转换器，它包括温控电路和位于密封盒内的光纤型马赫-泽德干涉仪、导热热沉、半导体制冷器、热敏电阻以及散热片；干涉仪由位于导热热沉上的二个3dB耦合器级联而成，两臂的长度差ΔL与产生的延时差ΔT之间的关系为ΔL＝c。ΔT/n，c为真空中光速，n为光纤折射率；热敏电阻用于对干涉仪的温度进行探测，温控电路用于比较热敏电阻反馈的探测电压和设定电压，对半导体制冷器的工作电流进行调节，半导体制冷器通过导热热沉对干涉仪两臂同时进行制冷或加热。

Performance and the relationship between them of the Yangtze River Delta and get the current developing status of district tourism industrial organization of the Yangtze River Delta The last chapter reviews the current local policies inside the Yangtze River Delta under the total industry policy system, and puts forward the policy suggestion of improving the efficiency of tourism industrial organization of the Yangtze River Delta according to the SCP paradigm.

最后一章在我国总体的产业政策体系下回顾了长三角区域内地区现行的旅游发展政策，基于SCP范式提出提高长三角区域旅游产业组织效率的政策建议。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。