采用上限元法建立了压力穿孔过程中穿孔力的分析模型并给出了解析表达式。
Based on UBEM, the analysis Inodel for press piercing process has been established in this paper and its analytical expressions have been obtained.
参考飞行中的鸟的剪影,在这两个亭子生锈的钢板墙上密集地穿孔。
The rusty steel walls of both pavilions are densely perforated with silhouettes of birds in flight.
在领春木次生木质部中也观察到了端壁多穿孔板及侧壁穿孔板。
Multiple end wall and lateral-wall perforation plates were also observed in the secondary xylem.
结果输尿管中下段结石83例,78例碎石成功,术中1例出现输尿管穿孔,2例结石上移至肾盂内,成功率92.7%。
Results Of 83 cases, 78 were treated successfully, ureteric perforation occurred in 1case, stones went into kidney in 2 cases, the cure rate was 92.7%.
患有鼓膜穿孔的儿童在下述外科手术中获得更高的成功率,这全得益于西部弗吉尼亚大学医师的研究发现。
Children suffering from holes in their eardrums could have better success rates following surgery, thanks to findings from doctors at West Virginia University.
在某综合办公楼工程中,为减少噪声污染,我们采用了穿孔铝板、内填离心玻璃隔音棉的吸音墙面的新技术。
For reducing noise pollution, we adopted a new technology of perforated aluminium panel sound-absorbent wall with centrifugally glass-wool inside for a certain office building complex project.
术中可见贲门黏膜撕裂、渗血,占73.9%(17/23),但未见致命性大出血及穿孔等并发症。
Cardiac orifice mucosal laceration and oozing of blood were 73.9%(17/23), but without perforation and massive hemorrhage.
目的探讨B超在胃十二指肠溃疡急性穿孔诊断中的应用价值。
Objective To discuss the value of B-ultrasonography on diagnosis of acute perforation of gastroduodenal ulcer.
在年轻患者中瓣膜关闭不全、穿孔以及金葡菌感染更常见。
Valvular insufficiency and perforation and Staphylococcus aureus infection were more common in younger patients.
结果该组16例中,输尿管口撕裂6例,输尿管穿孔7例,输尿管黏膜袖状剥离1例,输尿管断裂1例,黏膜下隧道1例。
Among 16 cases, ureteral meatus disruption 6 cases, ureter perforation 7 cases, sleeve exfoliation of mucous membrane 1 case, ureter fracture 1 case, tunnel under the mucous membrane 1 case.
在导管分子中,存在着梯状穿孔板、网状穿孔板、混合型穿孔板和单穿孔板;
The form of the perforation plates in the typical vessels are various, divide into several subtypes:scalariform perforation plates, reticulate perforation plates.
木莲属的所有种中都有具梯状穿孔板的导管分子,但在少数种中偶然可见到单穿孔。
Manglietia species all have scalariform perforation plates, only a few also have simple perforations.
结果26例治疗成功,成功率为92.99%(26/28)术中无输尿管穿孔,撕裂等并发症。
Results 26 patients were treated successfully, the success rate was 92.99%(26/28). No major complications such as perforation were encountered.
从氯气液化器腐蚀穿孔现象着眼,分析原因,认为主要是因为氯气中含水量超标,提出防范措施。
View on the Corrostion and perforation of Liquefier, analyse the reason , consider that the water contain in chlorine has overproofed , the raise the preventive measure.
目的探讨全肠外营养在治疗小儿肠穿孔中的作用。
Objective to discuss the effect of total parenteral nutrition in the treatment of bowel perforation in children.
URL对输尿管中下段结石取净率为100%,术中无输尿管穿孔、撕脱等并发症发生。
The stone free rate of URL was 100% for lower ureteral stones, There was no ureteral perforation and avulsion happened.
简介了三辊穿孔机的结构以及在生产过程中的常见故障和事故。
Briefly described in the article are the structure of the three - roll piercing mill and troubles and failures frequently occurring in the operation thereof.
肝内胆管结石是常见病,但结石所致肝穿孔报道少见,手术中才得以发现。
Intrahepatic bile duct stone is a common disease, but liver perforation resulting from it has been rarely reported and can only be detected during operation.
概述了穿孔顶头表面氧化膜的形成、结构、性质、作用,在穿孔过程中的变化及其对顶头使用寿命的影响。
This review focuses on various aspects of piercing plug surface oxide film, including formation, compose, property, effect, transformation in the piercing course and the influence of plug's life.
研究中,食道压力没有明显改变,其中一位胃穿孔患者经谨慎治疗而无后遗症产生。
There was no significant change in esophageal manometry. One patient had a gastric perforation, which was managed conservatively without sequelae.
通过穿孔过程分解研究,揭示出焊接工艺参数在小孔稳定建立过程中的影响规律。
By analysis of the establishing process of the keyhole weld pool, the regularities of the welding parameters are obtained.
目的:分析CT在急性胆道穿孔诊断中的价值及诊断要点。
Objective: To evaluated the value of ct in the diagnosis of the acute biliary tract perforation.
本文重点阐述了电穿孔在基因治疗中的优势、影响因素及在临床前和临床试验中应用。
This article mainly elaborated the superiority of electroporation in gene therapy and the influencing factors, as well as the applications in the preclinical and clinical trial.
钢管的腐蚀穿孔则是由于燃煤中含较多硫或硫的化合物,在燃烧过程中产生高温熔融盐,加速基体铁的氧化腐蚀造成的。
However, the melting salt developed during combustion of the sulphur rich coal accelerates the oxidative corrosion of the iron matrix and hence results in penetration of the tube.
通过有限元模拟针对斜轧穿孔过程中毛管的变形特点,对其壁厚不均进行了计算。
Addressing deformation characteristics of the shell during rotary piercing operation, wall thickness unevenness is calculated by means of the FE simulation method.
将正确连接的表达质粒线性化后用电穿孔法转化到毕赤酵母GS115中。
The correct plasmid was linearized and transformed into Pichia Pastoris strain GS115 by electroporation.
温度和缓冲液中的血清成分对电穿孔效率影响不大。
The operation temperature and the concentration of serum in buffer have no effect on the transfection efficiencies.
穿孔屏对改善消声效果有较大的作用,同时,对发动机排气噪声中的脉动声有较好的消除作用;
The perforating shield contributes a lot in improving the muffling effect and at the same time has a function of eliminating the pulsating sound in the engine exhausting noise.
本文通过声波在穿孔声管中传播特性的研究,导出了声波在穿孔声管中传播的声场传递矩阵。
The sonic field transmission matrixes of perforated absorbent pipe is given after the transmission performance of perforated pipe is studied.
本文通过声波在穿孔声管中传播特性的研究,导出了声波在穿孔声管中传播的声场传递矩阵。
The sonic field transmission matrixes of perforated absorbent pipe is given after the transmission performance of perforated pipe is studied.
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