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Objective Inspiratory pressures and air leak were compared between volume-controlled ventilation ( VCV) and pressure-controlled ventilation ( PCV) using laryngeal mask airway ( LMA).

目的比较小儿喉罩通气时压力控制通气(PCV)和容量控制通气(VCV)对气道压力和喉罩漏气的影响。

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Descriptive analysis results indicated that incidence of PPHN, air leak, hyperglycemia, growth and development delay, hypertension and CLD between glucocorticoid treated group and controlled group had no significant difference.

描述性分析结果示,PPHN、高血糖、高血压、CLD、生长发育延迟的发生率在糖皮质激素治疗组与对照组间无显著性差异。

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The major effect factors of heat accumulating has temperature, float coal thickness, air leak intensity and voidage.

影响煤体热量积聚的主要因素有温度、浮煤厚度、空隙率和漏风强度。

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The example seen here is a "tension" pneumothorax shifting the mediastinum, because a "ball-valve" air leak is increasing the air in the right chest cavity.

图为张力性气胸,因呼吸时活瓣样的结构使气体漏入到胸膜腔的越来越多,纵膈移位。

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risk factors for pulmonary air leak in neonatal hyaline membrane disease

新生儿肺透明膜病合并肺气漏相关因素分析

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The ultimate parameter of spontaneous combustion in goaf of fully mechanized coal faces are the lower oxygen concentration 、 the maximal air leak intensity 、 the least thickness of loss coal and the ultimate speed of working face advancing.

确定了综采面采空区遗煤自燃的极限参数:下限氧浓度、极限漏风强度、最小浮煤厚度和工作面推进的极限推进速度。

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The article analyzed perinatal neonate air leak clinical information of 45 case.

本文分析了45例新生儿气漏的临床情况,包括一般资料、围产期情况和临床表现。

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The connection profile between the spontaneous combustion period and the high temperature movement was get through altering air leak intension, boundary condition and granularity parameter of coal sample.

并通过改变漏风强度、散热边界条件、煤样破碎粒度参数对模型进行反复计算,得出各参数与煤自然发火期及高温点移动的关系曲线;

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The installation of jet flow "air curtain" at portal cuts further down the volume of air leak to meet the operation requirements of the ventilation system.

洞口设置射流风幕,进一步减小了漏风量,使通风系统满足了使用要求。

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Low Cost High Performance Air Leak Control System Based on PLC

低成本高性能PLC漏风控制系统的实现

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for this purpose, the ventilation system of jinqiao mine is tested and analyzed in this paper firstly to obtain and master the air leak condition in the mine.

为此本文首先对金桥矿的通风系统进行的测试与分析,掌握了矿井内部通漏风情况;

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Research of Air Leak Test Based on Pressure

直压法进行泄漏检测的研究

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protective gloves against chemicals and micro-organisms; part 4: determination of resistance to penetration; air leak test

抗化学药品和微生物的防护手套第4部分:耐渗透的测定漏气试验

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However, ingeniously making use of ring group as air ring will reduce oil consumption as well as air leak of piston.

而利用巧妙环组作气环,是可以降低机油消耗量和活塞漏气量的。

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Universal Air Leak Test Equipment of the Shell of Gear-box

通用型变速器壳体气密性泄漏检测装置

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The Effect of Air Leak on Hydraulic Pressure System and Improving Measures

谈侵入空气对液压系统的影响及改善措施

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The results show that the split windshield not only can reduce the air leak of long pass and reduce the dust concentration of airflow, but is characterized by simple structure, easy installation, operation and maintenance, therefore being of extending value.

结果表明多片式挡风板不仅可以减少高溜井的漏风量,降低冲击风流中的含尘浓度,而且结构简单,安装、使用及维护方便,有推广应用价值。

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The F-130/ 39-P/ I type boiler as evidenced in Leping Power Station can not operate for long time normally due to serious air leak-age and ash fouling of the Ljungstrom air preheater which makes it inadaptable to coals of lower quality.

乐乎发电厂的F130/39P/I型锅炉因回转式空气预热器漏风和堵人严重,无法适应品质稍差的煤种,致使锅炉长期以来不能正常运行。

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objective to explore the clinical and imaging manifestations of air leak in neonates and improve its diagnosis.

目的探讨新生儿气漏的临床及影像学表现,以提高其认识。

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