This paper focuses on the effect of polymer additives and nozzle shapes on the properties of high-pressure water jet. A method is presented to analyse the fluid flow within the nozzles.
本文研究了喷嘴形状和高聚物添加剂对高压水射流性能的影响，给出了一种分析喷嘴内流体流动的方法。
Demolishing reinforced concrete structure by using water jet is a method with most desirable prospects.
利用水能射流破坏钢筋混凝土结构的方法最有前途。
In recent years, more and more importance has been attached to the new machining method of engineering ceramics, i. e. abrasive water -jet.
近年来，高压磨料水射流这种新兴的加工工程陶瓷的方法越来越受到人们重视。
The researches have been carried out into the dispose of hospital sewage by pressure water jet aeration method.
研究了用射流曝气法处理医院污水的实际效果。
Water jet, as a novel rock cutting tool, can be combined with mechanical method to increase penetrating efficiency.
水射流作为一种新型切割工具运用于石油钻井中，与机械联合破岩可提高破岩效率。
According to practical working situation, nonlinear dynamic finite element method is adopted to establish a numerical model of combined breaking rock with high pressure water jet and mechanical bit.
采用非线性动态有限元法，结合实际工况条件，建立了高压水射流—机械齿联合破岩的数值模型。
Water base pigment ink for ink-jet recording, ink cartridge accommodating the same, and ink-jet recording method.
喷墨记录用水性颜料油墨，装有该油墨的墨盒，和喷墨记录方法。
In the text, we used equivalent shallow water model and truncated model method to analyse the stability of the jet, and pointed out the conditions of the appearing of instable wave.
本文应用等值浅水模式，采用截断模方法，分析了急流的稳定性，并给出急流上不稳定波出现的条件。
The paper introduces a fitting method between water jet and PDC bit tool, that is, aid bit tool cut rock while water jet is directed from suitable location of bottom of bit tool.
介绍了一种射流与PDC刀具的配合方式，即水射流位于刀具底部适当位置辅助刀具切割破碎岩石。
Practice for the development of oilfield exploitation of the world indicates that the water jet perforation is the optimal method for low permeability reservoir.
国内外油气田开发的实践表明：对于低渗油田，水力深穿透水平钻孔是最佳的开发方式。
A new type of nozzle generating swirling-abrasive water jet has been designed and the numerical method is employed to analyze the characteristics of the jet flow in the nozzle.
设计了一种水垫式旋转磨料射流喷嘴，并对其内部流场流动特性进行了数值研究。
High pressure jet grouting with new twin-tube method was employed in the construction of a new drydock and the mucky soft soils in the site were successfully treated to prevent water seepage.
新二管法高压旋喷应用在某新建船坞工程中，成功地对淤泥质软土进行了防渗加固处理。
These results sufficiently show that high pressure water jet is an environmental protection, high efficiency, no pollution method and can be used in milk sterilization.
上述结果充分说明，超高压射流方法是一种环保、高效、无污染、可用于鲜乳杀菌的新方法。
The theory method of designing the diameter of jet nozzle and the water pressure are advanced in the light of the endurance limit stress on the dirt.
提出了根据不同污垢的耐压强度极限应力，设计喷咀直径及射流压力的理论方法。
The theory method of designing the diameter of jet nozzle and the water pressure are advanced in the light of the endurance limit stress on the dirt.
提出了根据不同污垢的耐压强度极限应力，设计喷咀直径及射流压力的理论方法。
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