查询词典 perforation

An analytical energetic model is developed to determine delaminated areas and perforation limit veloci-ties of the target.

本文提出了一个分析模型来确定分层区域和靶的穿孔极限速度。

On the basis of the studied shaping laws, the effects, which the sizes of the cathode surfaces in the EC perforation and cutting have on the machining rate and electrolyzing current, are analyzed in detail.

针对水平井系统的结构特点，对电化学射孔器和切割工具的结构分别进行了设计，并且根据所建的数模，着重分析和讨论了射孔和切割两种加工阴极的型面大小对加工电流和加工速度两方面的影响。

Primary and high school students are undergoing fast physical development the visual axis hasn't jelled yet wearing contact lenses too early or too much could generate the side effects such as the hypoxia of cornea and the disturbance of physiological metabolism. It will cause secondary bacterial pneumonia if the lenses are not cleaned and sterilized completely. The maladjustment of lens labyrinth and cornea would also wear out the corneaexfoliate the endepidermis even can lead to the corneal ulceration and perforation .

中小学生正处在生长发育旺盛时期，眼球视轴尚未定形，若过早或较长时间连续配戴隐形眼镜易产生角膜缺氧和生理代谢障碍等副作用；镜片清洗消毒不严，则会继发感染；镜片曲径若与角膜不相适应，还会造成角膜磨损，上皮脱落，严峻者会导致角膜溃疡或穿孔。

The perforation is carried out under either "overbalanced" or "underbalanced" conditions.

p216m 译文：射孔在&正压&或&负压&译文：射孔在&正压&负压条件下进行。

So it is important for us to analyse and calculate the force conditionof the complex-perforation in perforating process and to evaluate its security.

因此，对复合射孔器在射孔过程中的受力情况进行分析和计算，进而进行安全评定，是目前要研究的重要课题。

Perforation, being one of completions and stimulation, is used widely. So it is very important to study the productivity model of perforating horizontal well.

而射孔作为完井和增产措施之一，广泛用于水平井，因此研究射孔水平井的产能模型是非常必要的。

Our introduction of advanced computer control of machinery and equipment, and advanced laser perforation, EDM reaming, ultrasound, high-precision grinding and polishing line, and other processing machinery and equipment and strong technical staff strength.

本厂引进计算机自动控制的先进的机械设备，并拥有先进的激光穿孔、电火花扩孔、超声波、高精度研磨和线抛光等加工机械设备和雄厚的技术人员力量。

Causes of perforation of alimentary tract:Defects of gastric musculature(5 cases),congenital malformations of small intestine(6 cases),malformations of colons and rectums(4 cases),necrotizing enterocolitis(7 cases)and meconium peritonitis(1 case).

消化道穿孔原因：胃壁先天性肌层缺损5例，各种先天性小肠畸形6例，结肠和直肠畸形4例，坏死性小肠结肠炎7例，胎粪性腹膜炎1例。

Surgical treatment was delayed for 3 to 28 days, and finally they were diagnosed as ileum perforation, ischemic necrosis of sigmoid colon, and strangulated incision hernia.

治疗延误3～28天，最后诊断分别为回肠穿孔、乙状结肠缺血性坏死和绞窄性切口疝。

Methods Retrospective review of 71 patients with cardiac injury was carried out including 21 blunt wounds,40 penetrating wounds and 10 iatrogenic wounds.Conservative therapy was performed on 8 myocardial contusions,2 hemopericardiums,2 small metal foreign bodies retention in myocardium and also 2 cardiac tamponades with iatrogenic left atrium perforation.The acute or delayed thoracotomies for repairing cardiac lesion according to the injury condition were performed in remainders.

对21例钝性心脏伤、40例穿透伤和10例医源性损伤的临床资料进行了回顾性分析；全组除心肌挫伤8例，血心包、心脏细小金属异物和医源性左心房穿透伤导致急性心包填塞各2例行保守治疗外，其余病例均根据心脏损伤情况，分别进行了急症或延迟性开胸手术，修复心脏损伤。

We got alerted a couple of times while we were down south that HETs were on the way to bring us back up north because things were going to go hot again, but it was just rumors.

南下的途中我们不只一次得到警告说重型装备运输车将拉着我们重新北上，因为局势正在变得重新紧张起来，但这只是谣传。

It's the one where they find the ghost in the salt mine.

这一集是演他们在盐矿找到鬼