查询词典 perforating machine

Introduced are specialities,structures and parameters of some newly developed well logging tools used by eminent well logging companies in the past few years,such as the new 3-D electrode-type logging tool,the new asymmetrical array induction logging tool,the new micro-resistivity pad tool,the oil-based mud imaging tool,the novel through-casing resistivity tool,the formation tester with an oval pad,the ArmadaTM sampling system and the ConneX perforating system.

介绍了国外测井公司近年来推出的电缆测井新技术以及新型或改进型测井仪器的特点、结构组成及工作参数。主要包括：新型3D电极电阻率测井仪器、新型阵列感应测井仪器、新型微电阻率极板仪器、油基泥浆成像仪器、低污染流体采样技术、新一代油管传送流体采样系统、具有椭圆形极板的地层压力测试仪器和ConneX射孔系统。

Case study indicates that for a gas well with constant production rate, the relationship between the time of water breakthrough and the perforating degree assumes asymmetrical convex curve.

实例分析表明，底水气藏的一口生产井以定产量生产，在其它条件不变的情况下，其见水时间与气藏打开程度呈不对称凸型曲线关系。

Methods Four three-dimensional finite element models were constructed by the data of spiral CT:1Mandibular second premolar restored directly by full crown;2Fill the perforating cavity with resin material and full crown restoration;3Cast nickel chromium alloy post core plus full crown restoration;4Fiber post and resin core plus...

方法采用螺旋式CT扫描获取数据，建立下颌第二前磨牙4种情况下的三维有限元模型：1直接全冠修复；2用树脂材料充填开髓洞形后全冠修复；3铸造镍铬合金桩核与全冠修复；4纤维桩树脂核与全冠修复。

A new projectile-filling device was developed to realize the fracture perforating under the condition of high foramen density.

提出了一种新型装药结构并实现在高孔密条件下的复合射孔，所开发的产品进行了地面混凝土靶测试、地面动态压力-时间过程测试和现场应用试验。

Pruritus associated with severe renal failure (so-called uremic pruritus) is generalized and often associated with the appearance of hyperkeratotic prurigo nodulelike lesions (Kyrle's disease or the perforating disorder of renal failure or dialysis).

重症肾衰相关性瘙痒常为全身性，与角化过度性结节性痒疹损害（ Kyrle 病或肾衰和透析的穿刺）有关。

These may migrate toward the calyceal epithelium, finally perforating it, and act as a nidus for urinary stone formation.

这些物质可向肾盏上皮迁移，最后穿透上皮，成为尿路结石形成的核心。

Results The incidence of sympathetic ophthalmia was high in youth.The perforating injury was the most common exciting factor(88.00%) More wounds were at corneal limbus(59.32%). The latent period in 2 - 8 weeks was more common(47.89%).

结果 交感性眼炎多发生于青壮年，致伤原因多为眼球穿孔伤，占88 0 0 %；受伤部位为角膜缘者最多，占 5 9 3 2 %；潜伏期 9天～ 3 6年，以 2～ 8周者最多，占 47 89%；年龄越小发生后段改变的可能性越高，潜伏期在 8周～ 1年的病例越趋向于发生后段改变。

Recently, the focus to resolve this problem was on the protection of the flap perforating branch artery pedicel.

目前，解决这一问题的焦点集中在针对皮瓣穿支动脉蒂的保护。

Presented are reasons to select the scheme, developing process of the type-51 body-free perforator, and main operations in perforating and fracturing.

论述了选用该方案的原因，51型无枪身射孔器的研制过程，射孔和加砂压裂施工简况。

Perivascular space is a crevice between two slices of cerebral pia maters, filled with tissue fluid, which be formed by pia mater emboling in the surrounding of cerebral perforating branch.

血管周围间隙(Perivascular space， PVS)是软脑膜内陷在脑穿支小血管周围而形成的介于两层软脑膜之间的间隙，其间充满组织液。

The statistical analysis of this large set of mutations has led us to propose a diagnostic strategy that should help with the molecular work-up of optic neuropathies.

这一大系列基因突变的统计学分析引导我们提出一个诊断策略，可以帮助我们对视神经病变进行分子学的诊断检查。

The results show that the pipe grouting changes the mechanical parameters of surrounding rocks to achieve the security of engineering objectives by reinforcing surrounding rocks and bolcking the water.

研究表明：小导管注浆一方面改变了围岩的力学参数，另一方面利用浆液的固结特性可以实现堵水和加固围岩的工程目标，使隧道在开挖过程中的安全得到保障。