Research on the maximum bubble pressure method to measure the liquid surface tension coefficient;

最大氣泡壓力法測液體表面張力系數(shù)的改進(jìn)

The methods were capillary rise method,Wilhelmy plate method,pendent drop method,drop volume method,maximum bubble pressure method.

本文著重介紹了幾種液體表面張力的測定方法(包括毛細(xì)管上升法、Wilhelmy盤法、懸滴法、滴體積法、最大氣泡壓力法),包括這幾種方法的測定原理、優(yōu)缺點(diǎn)及改進(jìn)方法,特別指出了寬溫度和壓力范圍的表面張力測定存在的問題,實(shí)驗(yàn)方法的選擇及表面張力測定方法的發(fā)展趨勢。

The methods were capillary rise method,maximum bubble pressure method,Wilhelmy plate /Du Nouy ring method,drop weight/drop volume method,oscillating jet method,spinning drop method and pendent drop method.

介紹了常見的幾種測定表面張力的方法,包括毛細(xì)管上升法、最大氣泡壓力法、吊環(huán)法/吊片法、滴重法/滴體積法、振蕩射流法、旋滴法和懸滴法,著重介紹了懸滴法用軸稱滴形分析測定表面張力的進(jìn)展。

Surface tension measurement for binary mixture of p-xylene+ acetic acid with differential maximum bubble pressure method;

用差分最大氣泡壓力法測定對二甲苯+乙酸體系的表面張力

Measurement of effective permittivity for solution chemical reaction and analysis of air bubble effect;

液相化學(xué)反應(yīng)介電常數(shù)的測量與氣泡影響分析

Formation for air bubble in cement paste and its influence on the strength;

水泥石氣泡的形成及其對強(qiáng)度的影響

On the prevention of air bubbles and sand grains in the surface of tunnel secondary lining;

淺談隧道二襯表面氣泡和泛砂質(zhì)量通病的防治

Modeling and analyzing of low pressure pipeline transients accompanying gas bubbles and cavitation;

伴隨氣泡和氣穴低壓管路瞬態(tài)的建模與分析

Parameter identification of gas bubble model in pressure pulsations using genetic algorithms;

采用遺傳算法對壓力脈動過程中氣泡模型參數(shù)的辨識

The influence of casting speed,argon blowing flow and in- sertion depth of submerged nozzle on the distribution of gas bubble in mould is investigated by water modelling.

對熱軋板孔洞缺陷形成的原因進(jìn)行了分析,指出連鑄過程操作參數(shù)控制不合理是產(chǎn)生該種缺陷的主要因素;利用水模試驗(yàn)研究了水口插入深度、拉速、吹氬量等因素對結(jié)晶器內(nèi)氣泡分布的影響,在此基礎(chǔ)上提出了治理熱軋板孔洞缺陷的措施,取得了較好的效果。

Modeling of Energy Distribution of Bubbles of Burning Fluidized Bed;

燃燒流化床氣泡能量分布模型

Thermodynamics Analysis of the Relationship Between Pressure and Fugacity of Methane in Hydrogen Attacked Bubbles;

氫蝕氣泡內(nèi)甲烷壓力與逸度關(guān)系的熱力學(xué)分析

Study on back light-scattering property of bubbles in ship wake;

艦船尾流氣泡后向光散射特性研究

Study Development of Mechanism for Void Formation and Elimination During RTM Processing;

RTM工藝過程中氣泡形成機(jī)理及排除方法研究進(jìn)展

The Application of Resin s Temperature Deference to the Void Problem;

樹脂溫差在解決氣泡問題上的運(yùn)用

The literatures concerning void formation during resin transfer molding process were collected and reviewed.

總結(jié)了關(guān)于RTM(樹脂壓鑄)工藝中氣泡缺陷的文獻(xiàn)報道,對RTM中氣泡缺陷的形成機(jī)理、影響因素及各研究者提出的消泡方法、理論和模型進(jìn)行了概述,同時對RTM工藝中氣泡缺陷的研究現(xiàn)狀給予充分關(guān)注,并對RTM缺陷研究的未來方向進(jìn)行了展望。

River system repair technology of super-micro bubble;

超微細(xì)氣泡水體修復(fù)技術(shù)

Coalescence time measurement of two bubbles and its influence factors;

雙氣泡間的聚并時間測量及其影響因素

Simulation of bubble hydrodynamics in viscors liquid;

粘性液體中氣泡流體力學(xué)特性的模擬研究