查询词典 perforating

Of the 71 cases by analyzing, 58 cases were closed wound, 12 cases were open injury and 1 case was perforating wound.

目的探讨严重胸腹联合损伤的诊断和外科治疗方法，以提高临床疗效。

Shapes of perforating branches in malignant and benign masses were also analyz...

结论CDFI显示的血流分级和血流形态表现有助于胆囊良恶性占位病变的鉴别，是二维超声诊断的重要补充信息。

In this case, research on perforating fluid for low permeable formation in block Xing 8-12 zone of Daqing oil field is carried out.

本项目研究是针对大庆油田杏八~十二区块低渗透油层，在对储层进行了粘土矿物和敏感性分析的基础上，认为在完井过程中应注重储层的保护。

Thus the toughness of cement can be strengthened, which is helpful to ensure the success of perforating completion operations.

这种阻裂作用增加了水泥石的韧性，一方面有助于射孔完井作业的顺利完成；另一方面有助于水泥承受复杂的井下应力，进而减少&二次窜流&现象的发生。

Aiming at perforating charge shell, the extrusion technology was analyzed.

中文摘要：针对射孔弹壳体挤压件进行了工艺分析。

Each perforating artery was 0.3-0.6 mm in diameter and accompanied by two venae comitans.

穿支动脉口径约为0.3～0.6mm，均有两条伴行静脉。

Acidizing and fracturing are performed on perforated Berea sandstone targets after perforating tests in labs.

在实验室条件下对贝雷砂岩进行射孔试验，并分别对射孔后的靶体进行酸化、压裂工艺处理，利用核磁共振和工业X-CT技术分别对未射孔的靶体、射孔后的靶体、射孔后酸化的靶体、射孔后压裂的靶体进行测试。

Designed a progressive diepunch made up of perforating,lanching,bending and blanking etc work preface ;This progressive diepunch canrelized automation produce,And have automatic protection function.

根据客户提供的冲压件零件图，设计出由冲孔、弯曲和落料等工序所组成的一副级进模，该级进模具能够实现自动化生产，并具有自动保护功能。

The application of through-tubing perfora- ting technology in gas well completion and stim- ulation and the problem on the plugged per- forated toles are discussed in this paper,Tte aspect of through-tubing perforating in gas well of Southern Sichuan in 1981 is preeented briefly, and some ideas about prospective of applying this technology in Sichuan gas fields are stated as well.

本文探讨过油管射孔在气井完井和增产中的应用，以及射孔孔眼堵塞问题。文章扼要介绍了1981年在川南气井中应用过油管射孔的情况，并对在四川气田应用该技术的前景，提出了几点意见。

Introduced is a tubing conveyed perforation monitoring/identifying system that can automatically identify explosion signal of perforating gun .

在深井、水平井及其他复杂条件下进行射孔作业时，由于井场噪声的影响及射孔条件的制约，操作人员很难判断射孔枪爆炸。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。