Between the shore and the inland edge of the dune field, sand alternates with the vegetated ground.
在海岸与内陆沙丘地带的边缘之间,沙地与覆盖植被的地表交相辉映。
Between the shore and the inland edge of the dune field, sand alternates with vegetated ground.
在海岸与内陆沙丘地带的边缘之间,沙地与覆盖植被的地表交相辉映。
Glow from the distant Shaybah oil field turns the Saudi Arabian sky purple as a man dances atop a nearby sand dune.
辉光从遥远的沙巴油田转向沙特阿拉伯附近紫色天空,一个男子在沙丘顶上跳舞。
All of the sand dunes, however, form part of a larger dune field nearly encircling the lake.
所有沙丘形成了一个更大的沙丘,几乎包围了整个湖泊。
HeLuanShi system in engineering field, pressure-blasting machine is mechanism sand, cushion material, asphalt concrete and cement concrete aggregate ideal production equipment.
在工程领域,河卵石制砂机是机制砂、垫层料、沥青混凝土和水泥混凝土骨料的理想生产设备。
Based on the digital mask technique, the distribution of sand area density and the sediment-transport rate in flow field were obtained.
采用图像处理的数字掩码技术,处理图像得到了沙粒在流场中的面密度以及单宽输沙率。
A sand control technology decision expert system based on expert knowledge and field experience is developed. It has functions of sand prediction, selecting solution, and optimizing parameters.
以专家知识和现场经验为基础开发的防砂工艺决策专家系统,具有防砂预测、方案优选、施工参数优化等功能。
This paper introduces the laboratory evaluation results, sand control mechanism and field matched technologies of low temperature filling sand control technique.
介绍了低温充填防砂技术室内评价、防砂机理及现场工艺配套技术。
The water surface level, velocity field and sediment concentration field of gravel sand bed and sand bed reach on Jianjiang river were refined simulated.
细致地模拟了荆江卵石夹沙河床及沙质河床浅滩河段的水面线、流速场、含沙量浓度场及河床变形。
This technology is significant to improve oil production from unconsolidated silty sand stone reservoir and to the field applications.
粉细砂岩油藏防砂工艺技术对于提高疏松砂岩粉细砂油藏产能及现场应用有重要的指导意义。
In this paper, the temperature field of Sodium silicate sand cores of the machine tool's cast iron is measured.
本文对机床铸铁件水玻璃砂芯在浇注、冷却过程中的温度场进行了测定。
The way of action combination was adopted to analyze each sand body condition and know remaining oil distribution regulation, deeply develop the potential of oil field.
采用动静结合的办法,分析各砂体的储量动用状况,搞清剩余油分布规律,充分挖掘储量潜力。
After office study and field experiment, using suspend plug and high sand concentration with little ceramsite to control fracture, advanced fracturing success ratio.
通过室内研究和现场试验,采用“悬塞”控缝、高砂比小陶粒控缝等配套技术,有效地控制了微裂缝在压裂过程中的影响,提高了压裂成功率。
The technology of slotted screen liner sand control used in percolation ability formation and its field test was introduced.
介绍了适用于不同渗流能力的地层的割缝筛管防砂工艺及现场应用情况。
Field use proves the check valve can prevent effectively sand plugging and extend distinctly the pump checking period.
现场试验证明,电潜泵防堵单流阀能够防止砂堵单流阀,提高开机成功率,显著延长电潜泵检泵周期。
This paper studies the law of sedimentation in the field of stationary wave, and investigates the formation mechanism of sand wave by a 2-d sedimentation model.
文章通过建立二维泥沙沉降模型,研究了驻波场中泥沙沉降的规律,对沙波的形成机理作了初步的探讨。
Most of the sand two oil reservoir in Pucheng oil field belongs to uneven oil reservoir.
濮城油田沙二下油藏属于多油层非均质油藏。
Based on field investigation and lab tests, the main failure form of the sand loess slope and its impact factors on the northern loess Plateau are summarized in this paper.
基于野外调查和室内试验分析,阐述了黄土高原北部砂黄土边坡破坏的主要形式及其影响因素。
This paper discussed the evolvement characteristics of sand bodies of the fourth coal bearing interval and its influence on No. 13-1 coal-seam thickness in Huainan coal field.
讨论了淮南煤田第四含煤段砂体的演化特征及其对13- 1煤层厚度的影响。
But as with any job, salary helps determine whether a person chooses to enter the field sand how long he or she will stick it out.
但是和每一份工作一样,薪水影响一个人决定在某一领域是否坚持到底。
With the structural modification of quartz sand filter in Daqing oil field, and using the suspended sludge filtration in treating oilfield wastewater, the good experimental results are obtained.
对大庆油田石英砂过滤器结构进行改造,并应用悬浮污泥过滤技术对油田污水进行了深度处理,试验取得了良好的处理效果。
By the roadbed height proposed and the analysis of wind velocity flow field, the active sand dune zone should be kept between 1.
按风速流场分析所建议的路基高度为:流动沙丘区路基合理高度宜在1。
It is a place for one to run on a field, climb up a tree and sketch in sand. We accumulate fond memories of simple happiness during the play in Nature and with fellows.
大自然就像是一个让人们在原野奔跑、在树上攀爬、在沙地描绘的地方,而且在我们游乐的过程中积攒了大量简单而快乐的回忆。
In this paper, the composition of the equipment, the operating principle, the technical characteristic and the field application of the mechanical sand bailing technology are introduced.
文中主要阐述了机械捞砂工艺的结构装置、工作原理、技术特点及现场应用。
The field tests of compressive strength of lime—sand brick masonry have carried out its durability and behaviour in moisture.
并通过灰砂砖建筑抗压强度试验,初步得出了这种砌体的耐久性及其在潮湿环境中的工作性能。
A new modified furan resin sand consolidation agent has been researched due to sand production in moderate shallow fine siltstone reservoir, and it has been applied successfully in Qinhai oil field.
针对我国中浅层细粉砂岩油藏开采过程中严重出砂的问题,研制出一种新型改性呋喃树脂固砂剂,并在青海油田中浅层细粉砂岩油藏水井防砂应用成功。
The sand producing mechanism of Sebei gas field is analyzed thoroughly with the reservoir features, the litho logy features, the percolation velocity, and the reservoir soaked by working fluid, etc.
文章从储层特征、岩性特征、气体渗流速度、作业液浸泡等多个角度对气田地层出砂的机理进行了较为全面的分析。
The sand producing mechanism of Sebei gas field is analyzed thoroughly with the reservoir features, the litho logy features, the percolation velocity, and the reservoir soaked by working fluid, etc.
文章从储层特征、岩性特征、气体渗流速度、作业液浸泡等多个角度对气田地层出砂的机理进行了较为全面的分析。
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