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control fracture
相关语句
  控制裂缝
     According to the above simulated data, the Stimgun is used in a well, the result of which proves that fracturing perforating with Stimgun and packer is able to effectively control fracture heights and remove formation contamination with no water producing, and is also a great help to increasing production in seriously contaminated and low permeable formation.
     该工艺技术可有效地控制裂缝高度,达到消除地层污染而又不出水的效果,对污染严重的地层和低渗透率地层具有较好的改造作用,增产效果明显。
短句来源
  “control fracture”译为未确定词的双语例句
     The relative popularity and success of the Frac & Pack technique in hydraulic fracturing has resulted in some detailed studies regarding the objective, mechanism of stimulation and sand control, fracture propagation simulation, fracturing fluid volume optimization and field execution & fracture evaluation after fracturing, etc.
     墨西哥海湾油田,北海油田等国外大量的现场实例表明,该技术能实现增产和防砂双重目的,已在国外大多数油田,特别是海上油田成功的实施,具有良好的应用前景。 同时,现场的广泛应用也带动了与该技术相关问题的研究,例如:压裂的评井选层、增产与防砂机理研究、裂缝模拟与液量优化研究、现场实施和裂缝的压后评价。
短句来源
     The focuses of attention for pipeline toughness design are safety and e-conomic rationality. With these two factors synthesized, the following basic principles for pipeline toughness design are presented on the basis of fracture mechanics : the principles of fracture control, fracture propaga- tion arresting and fracture pattern.
     管道韧性设计基本出发点是安全性和经济性,综合平衡这两方面因素,并在断裂力学的基础上,提出了管道韧性设计的基本原则,即开裂控制原则、裂纹扩展的止裂原则和封口形貌原则。
短句来源
     Through the fracturing mechanism simulation,the tensile testing and uniaxially or triaxially compressed testing,body strain and permeability variation are monitored to control fracture direction,width and quantity.
     通过模拟该类型油藏岩石成缝机理 ,利用拉伸和单、三轴压缩试验 ,监测体应变或渗透率变化 ,来控制岩心上生成裂缝的方向、大致缝宽和数量。
短句来源
     Operation success ratio and effective period have been improved through study with all main measures as follows: enlarge operation scale, increase operation sand content, select proppant of good fluid conductivity and stronger fracturing strength compared with initial strength, ball drop fracturing, control fracture height with artificial separate layer, temporary plugging, and the etc. These measures have satisfactorily met the needs of developing low permeability oilfield.
     所采取的主要工艺措施有 ,加大施工规模、提高施工砂比 ,选用比初次压裂强度高、导流能力好的支撑剂 ,投球压裂 ,人工隔层控制缝高 ,暂堵压裂施工等配套的重复压裂工艺技术 ,较好地满足了低渗透油田开发的需要
短句来源
     Conclusion (1) Broken screw can effective control fracture's rotational, compression force , fixation is satisfactory, semi -screw has some slide could irritate osteoblasts growing and bony hea-ling.
     结论 (1)折断式螺纹钉能有效地控制骨折间的旋转应力、压应力,固定牢靠,半身螺纹有一定滑动度可刺激成骨促进骨愈合;
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  相似匹配句对
     U. in control.
     U.
短句来源
     F, as control.
     F,对照组。
短句来源
     THE FRACTURE CONTROL OF MANNED SPACECRAFT
     载人航天器的断裂控制
短句来源
     Fracture
     破裂
短句来源
     Fracture Control Blasting in Tunnelling
     巷道掘进中的断裂控制爆破
短句来源
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  control fracture
Interparticle boundaries control fracture properties in the alloy produced by PFC.
      
Furthermore, it demonstrated that the only alloy in which the pores and chloride inclusions combined to control fracture toughness was Ti-10V-2Fe-3Al.
      
Of the defects that did participate, the approach showed that both chloride inclusions and pores control fracture toughness in all alloys studied through their effects on defect spacing and the amount of void growth to failure.
      
We present physical interpretation and some methods for the experimental evaluation of the characteristic distance of the fracture process which can be regarded as one of the two most important parameters that control fracture processes in materials.
      
With such microstructures, crack nucleation and propagation mechanisms can be observed, and processing parameters, which control fracture toughness, can be identified.
      
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3 freshly extracted split untreated ir.completely fractured molars and 2 pieces ot tragment from 2 untreated incompletely fractured molars, as well as one sound third molar cntracted by artifitially splitting as the control specimen were prepared for SEM observation. Comparing with the control fracture surface, the fissure was longer and deeper, even until the dentinoenamel junction in the incompletely fractured tooth. In the old fracture dentinal tubules area, dentinal tubules fractured in two directiors,...

3 freshly extracted split untreated ir.completely fractured molars and 2 pieces ot tragment from 2 untreated incompletely fractured molars, as well as one sound third molar cntracted by artifitially splitting as the control specimen were prepared for SEM observation. Comparing with the control fracture surface, the fissure was longer and deeper, even until the dentinoenamel junction in the incompletely fractured tooth. In the old fracture dentinal tubules area, dentinal tubules fractured in two directiors, horizontally and longitudinally, and there was deminerization. However on the freshly fractured surface, dentinal tubules fractured in almost the same direction. Even on the fractured surface of a small fragment, the characteristic old fracture area was stili obvious. There was a picture like villi on the sectioned surface of the enamel lamina. The results confirmed our primary analysis for the causative factors and pathogenesis of the untreated incompletely fractured tooth.

用扫描电镜观察了正常牙的人工劈裂面和隐裂牙的劈裂面,发现隐裂牙的中央窝沟长而深,下方的釉质有脱矿现象.窝沟底下方的牙本质有陈旧裂面,牙本质小管断裂方向不一致,也有脱矿现象。本文认为以上变化是隐裂牙的内在致病因素;在致裂因素作用下产生的,导致隐裂发生。

This paper has a discussion on ore-formation mechanism and evolutary pattern of Fengshanlin Ag-Pb-Zn stratabound ore deposit, and summed up a genetic model for the stratabound deposits, which are of hydrothermal sedimention-metamorphie—magmatic pneumatohydatogenetic superimposed-reworked (and/or-recomposed) origin. Their evolutary process is as follow. In the embryonic continental rift stage, Ag-Pb-Zn (—S) source strata are formed by hydrothermal sedimentation. The strata are medium-upper menbers (Pt_(3/2+3))...

This paper has a discussion on ore-formation mechanism and evolutary pattern of Fengshanlin Ag-Pb-Zn stratabound ore deposit, and summed up a genetic model for the stratabound deposits, which are of hydrothermal sedimention-metamorphie—magmatic pneumatohydatogenetic superimposed-reworked (and/or-recomposed) origin. Their evolutary process is as follow. In the embryonic continental rift stage, Ag-Pb-Zn (—S) source strata are formed by hydrothermal sedimentation. The strata are medium-upper menbers (Pt_(3/2+3)) of Longbeixi Formation of Upper Proterozoic Group and belong to primordial ore-bearing formation. Their deep lead model age is of 946—814Ma. Because of plastic flowage folding (ξ-type) in regional metamorphism, mineralised materials are migrated and concentrated. Then ore-bearing beds (A-type) are formed. Their lead model age is of 695—483 Ma. Yanshania ore-control fractures (S-type), showing features of strike-slip (transform) structures, are the structures as passageway for ore-bearing medium-basic magma and heat current. They make up ore-generating formation. Those structures are one of leading factores for ore-generating by superimposition-reworking (B-type) and superimposition-recomposition (C-type). Authors put forward "three O" mechanism of ore-formation (primordial ore-bear ing formation, ore-generating formation and ore-control structure) and a mathematical geology model for the ore-hoursing structures of the Ag-Pb-Zn ore.

本文初步分析研究了省内建阳水吉矿区风山林层控银铅锌矿的成矿机制及演化过程,总结了这一组热水沉积变质—岩浆气液叠加改造再造型层控矿床组合成因模式:在大陆雏形裂谷构造环境下经热水沉积形成银铅锌(硫)矿源层——上元古界龙北溪组中上段(Pt_(3/2+3))母含矿建造,深源铅模式年龄为946—814百万年;经区域变质期间“多”字型塑性流动褶皱作用,矿质二次迁移富集形成矿石铅模式年龄为695—483百万年的含矿层(A型);具“走滑转换构造”性质的燕山期控矿“S”形断裂构造,是导生含矿中基性脉岩(浆)热源体——生矿建造和决定矿质再次叠加改造成矿(B型)及再造成矿(C型)的关键。从中提出了“三造一体”的成矿富集机制。

The Wanzhuang gold deposit is of the karst-type. The ore-control structures are paleokarst and fault. The two early (No.Ⅱ and Ⅷ) and late(No.Ⅲ)are developed respectively in the thick-layer dolomites of the third to the forth members in Tuanshanzi Formation and the third member in Dahongyu Formation of Changcheng System in Mid-Proterozoic Group, and over or near the karsts there are devoleped the tensional ore-control fractures such as number No.Ⅵ and No.Ⅶ running through the karsts.According to...

The Wanzhuang gold deposit is of the karst-type. The ore-control structures are paleokarst and fault. The two early (No.Ⅱ and Ⅷ) and late(No.Ⅲ)are developed respectively in the thick-layer dolomites of the third to the forth members in Tuanshanzi Formation and the third member in Dahongyu Formation of Changcheng System in Mid-Proterozoic Group, and over or near the karsts there are devoleped the tensional ore-control fractures such as number No.Ⅵ and No.Ⅶ running through the karsts.According to analysis on the forming law of karsts, the structural features of ore-bearing tensional fractures and ore-bearing quartz veins and geophysical prospecting data and so on, the south-west terminals of the two layers of karsts should be prolonged ahead. Therefore, tile south part of the ore area will be the best prospective section seeking for the karst-type Au ore deposit.

万庄金矿属岩溶型金矿床,其控矿构造有古岩溶和断裂.早(Ⅱ,Ⅷ号)、晚(Ⅲ号)两期岩溶分别发育于中元古界长城系团山子组第3、4段与大洪峪组第3段厚层白云岩中,其上及附近发育有与岩溶贯通的张性控矿断裂(Ⅵ、Ⅶ号)。根据岩溶的发育规律、含矿张性断裂与含矿石英脉的构造形迹及物探资料等分析后认为,两层岩溶将继续向西南端延伸.矿区南部是寻找岩溶型金矿的最有望地段.

 
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