螺纹管

全麻螺纹管消毒效果比较

Effect comparison of disinfection of screwed pipe for general anesthesia

螺纹管空气预热器在有机热载体炉上的应用及其设计

Application and Design of Threaded Pipe Air Preheater in Organic Heat Transfer Material Heaters

方法螺纹管行Ⅰ期改良Bacon术及围手术期护理。

Methods Using whorly tube and ⅰ term 's improved Bacon operation nursing in the period of the operation .

低质量流速垂直管屏技术的核心为Benson内螺纹管。

The key issues of low mass flow-speed vertical tube-platen technology lies in its inner threaded Benson tubes .

分别采集3组患者下呼吸道和呼吸机螺纹管近患者端管内的分泌物标本，进行细菌学检测和比较，比较3组的VAP发生率。

The specimens from the inner and proximal ventilator and endotracheal tubes from the three groups were cultivated to compare the rate of VAP .

600MW变压运行直流锅炉水冷壁内螺纹管内壁换热特性的研究

Investigation on Internal Surface Heat Transfer in Internally Ribbed Tubes of Sliding-Pressure Operation One-through Boiler 's Water Wall

另外，在计算内螺纹管的压降时，应用了Churchill模型得出的摩擦系数及一个合适的相对粗糙度来修正光管的压降关联式。

In addition , Pressure drop correlations for plain tubes were applied to micro-fin tubes by using a friction factor calculated by the Churchill model and a suitable relative roughness .

采用一种新的冷凝换热模型，对R134a外螺纹管水冷冷凝器进行研究。

A new type of condensation heat transfer model was used to research on water-cooling condenser of external screw tubes .

R134a外螺纹管水冷冷凝器研究制冷系统立式水冷冷凝器管内污垢的自动清洗技术

Research on the technology of self-cleaning fouling adhered to inside wall of tubes in vertical water coolers in refrigeration system

采集凝固潜热换热装置特性及热泵性能分析R290与R404A螺纹管内凝结换热及流阻特性的比较研究

Study on the Characteristics of the Freezing Latent Heat Exchanger and the Performance of the Heat Pump

本文介绍了φ700mm的螺纹管换热器，在南京炼油厂和荆门炼油厂的使用情况。

The use of integral-finned-tube heat exchangers of φ 700mm in Nanjing and Jingmen Refineries are described .

对于R290和R404A，分别根据各自光管、内螺纹管内凝结换热系数的关联式计算数值与实验数据的比较，筛选出了相应预测精度较好的理论模型。

Based on the experimental data collected , the formulations are selected which can predict accurately in-tube condensation heat transfer coefficients for R290 and R404A .

本文研究制冷剂R113和废塑料制汽油过程中产生的裂解气在水平光滑管、螺纹管与“犁刺”管上的冷凝强化传热。

This paper researches into enhanced heat transfer of condensation of splitting gas of waste plastics and R113 on the general smooth tubes , the screw tubes and the aculei finned tubes .

本文在全周加热和单侧加热的条件下，对600MW超临界变压运行直流锅炉水冷壁φ28×6mm内螺纹管进行了传热与阻力特性的试验研究。

Under the conditions of full-circumferential heating and half-circumferential heating , the heat transfer and pressure drop characteristics of internally ribbed tube with the diameter of φ 28 × 6 mm used in the furnace water wall of 600 MW supercritical sliding pressure operation once-through boiler was studied experimentally .

列举了金属螺纹管强化换热效能的实例。

Examples of heat transfer with metal screw pipe were cited .

内波纹螺纹管传热性能及流体阻力的研究

Heat transfer and fluid resistance of in-wavy surface and out-serpentine tube

螺纹管在电站换热设备中的应用

Application of Rifled Tubes in Heat Exchange Equipment of Power Plants

不锈钢螺纹管换热机理的探讨

A Probe into Heat Exchange Mechanism of Stainless Steel Screwed Tube

管壳式冷凝器内低螺纹管的凝结传热模型

Heat Transfer Model for Thread Tube in Shell and Tube Condenser

利用车床加工螺纹管技术

Technology for the Machining of Threaded Tubes by Using a Lathe

螺纹管在左半结肠梗阻造瘘术中的应用

Application of Screw Pipe During the Operation of Left Colon Obstruction

两端带阴螺纹管接的直通旋塞内螺纹铜管滚珠旋压三维有限元模拟

Three dimensional FE simulation of ball spinning of inner grooved copper tubes

螺旋槽管（亦称螺纹管）是其中的一个重要分支，它是一种优良的高效异形强化传热管件。

Spirally grooved tube is the important one of them .

异径内外螺纹管接头注意：连接显微镜的螺栓是外螺纹。

Reducing extension piece Note - threads connecting to microscope are male .

紫铜内螺纹管高速旋压成型装置

High speed spin forming device for inner grooved copper tube

交叉螺纹管的传热及流阻性能

The performance of heat transfer and friction of the crossed spiral tube

SA-213T2钢内螺纹管的性能研究

Discussion on Properties of SA-213 T2 St. Internal Spinned Pipe

冷拔内螺纹管拉拔力的有限元计算方法

Finite element method for the drawing force of cold drawing rifled tubes

一种新型螺旋螺纹管式换热器的应用

Application of a new helix screw thread pipe heat exchanger

超临界压力下水在方形环腔内垂直上升的传热特性垂直上升内螺纹管内超临界压力水的传热特性研究

Upward Heat Transfer Characteristics of Supercritical Pressure Water in Square Annular Channel