1, Cavitation arising primarily from the hot water pump.

2, Cavitation is noisy and easily detected by sonar.

3, The main reason is that cavitation erosion occurred in pervasion pipe of lubricator.

4, The effect of cavitation noise radiated from ultrasonic cleaning tank on learning and memory in rats is studied.

5, It is shown that propeller cavitation noise is composed of continual spectrum and separable line spectrum.

6, Similar to cavitation decay on propellor blades and the observed sonoluminescence.

7, The influences of bubbly oil on the cavitation erosion in journal bearings inare investigated in detail.

8, Mitochondrion cavitation, mesenterium insertion and foot cell fusion were found in the model group by an electron microscope.

9, Based on the characteristic of cavitation noise, the card has the features of broad band, four channels, gain adjustability, DMA transfer and consecutive sample.

10, Cavitation damage occurred in a hydraulic machinery in varying degrees is a complex phenomenon.

11, Comparing of performance curves and cavitation property with common centrifugal pump of same specific speed was presented in this paper.

12, The principle of laser cavitation noise was also elaborated and the efficiency of the transformation from laser to noise.

13, The total noise changes complexly. When the bubble cavitation turns on the sheet cavitation,(http:///cavitation.html) the total noise will reduce suddenly although the cavitation number becomes smaller.

14, In the article, the reasons for cavitation erosion in cylinder sleeve of 135s diesel engine are analyzed, and several suggestions to against cavitation erosion are given.

15, The prerequisite for cavitation is that there exists an area in which absolute pressure is lower than or equal to vaporization pressure.

16, Because of scale effect in cavitation experiments scale effect on cavitation are stablished.

17, The present paper deals with theoretical model of random sequence of exponential attenuate acoustic pulses caused by ship propeller cavitation noise.

18, The experiment shows that the design propeller has a lower cavitation noise than the original propeller.

19, This paper at tentatively studies the theory of traveling bubble cavitation noise emitted from high-speed underwater self-navigator of Schiebe body.

20, Power Spectrum analysis is always used in spectrum analysis of cavitation noise. However, it is obviously unfit for research on the transient signal such as cavitation noise.

21, High water saturated vapour pressure leads to the more possible occurrence of cavitation phenomena in water hydraulic pump, and so as in sliding shoes hydraulic supporting without exception.

22, Based on optical beam deflection(OBD), a fiber-optic diagnostic system is proposed to investigate the propagation of a laser-induced plasma shock wave and the oscillation of a cavitation bubble.

23, This might be used in blending application , or in situations where suction pressure varies and cavitation control is sought.

24, Furthermore, this paper presents a new method which combines sonoluminescence image, hydrophone, CHNN, B-P neural network to study ultrasonic cavitation field.

25, The performance of free-field having a surface reflection effect of the cavitation noise can thus be predicted.

26, If the intersection point falls in the shaded area, cavitation can occur.

27, Conclusion: Nonlethal dosage ultrasound could lead mitochondria damage to ovarian carcinoma by cells cavitation.

28, The prototype observation during the test of Three Gorges Ship Lock shows that there is strong cavitation near the first diversion port of the conduit system.

29, When the pressure transients occur in low pressure pipelines such as the suction lines of pumps or the return lines of a hydraulic system, gas bubbles and cavitation will occur inside the fluid.

30, In this paper, the experimental investigation and theoretical study on reduction of the ducted propeller cavitation noise by air injection are presented.

31, Analyses the formation reasons, common characteristics and influence factors of diesel engine cylinder bore cavitation.

32, To increase the head of bulb turbine, it is necessary to improve the runner blade design method and design high head bulb turbine with good energy and cavitation coefficient performance high.

33, Numerical simulation was performed to investigate the cavitation phenomenon of liquid oxygen through an elbow pipe.

34, The method to determine the cavitation monitoring threshold which based on statistic theory was posed by making use of reference frequency band energy.

35, A convex shape can weaken the shock impact and subsequent cavitation collapse. However, such effect is well limited.

36, Presented a data acquisition card for hydraulic turbine cavitation noise testing.

37, METHODS Particle size of emulsion would significantly reduced with high pressure homogenizer, which lead particles of the emulsion to produce high speed impact and cavitation.

38, Shixin 733 plants . The xylem cavitation and embolism were measured by monitoringemission ( AE ) from leaf xylem.

39, A experimental device for cavitation erosion is established by use of the mechanism of ultrasonic vibration.

40, Through wiping off noise from signal, time domain and frequency domain analysis, wavelet analysis, wavelet package analysis, the law of cavitation noise intension and frequency distributing are found.

41, The supersonic characteristic of hydraulic turbine cavitation was studied in this paper.

42, This transducer is mainly applied to the detection of the sodium cavitation noise, but can also be applied to the detection of the boiling noise and the acoustic noise of sodium-water reaction.

43, The ventilated cavitation number decreased with the ventilation flow rate by exponential law at constant velocity.

44, The cavitation erosion regularity of five steels of different heat treatments was studied using rotating disc testing equipment.

45, Conclusions:The CT findings of pulmonary complications in HSCT recipients are various, the cavitation with septation pattern or halo sign strongly suggests fungal pneumonia.

46, Established a mathematical model to simulate the instantaneous flow fields and cavitation by combining the weakly compressible fluid theory and the Large Eddy Simulation method.

47, Thereby , measuring bubble size must be emphasized in study of reducing cavitation damage.

48, Numerical simulation of the steady cavitating turbulent flow in the whole flow passage of a Kaplan turbine has been carried out by using a full cavitation model and a mixture two-phase flow model.

49, Some factors of effect i. e. cavitation number and inlet pressure are discussed and the decompositional regular is proposed.

50, The total diameter of cavitation, if present, is less than 4 cm.

51, The larger tension stress in the hydraulic turbine blades, grain coarsening in the heat-affected zone and the causticity of fluid medium are the major causes of cavitation erosion.

52, Make use of the laser-generated cavitation noise to generate false target based on this property, which is simulation of the cavitation noise generated by submarine propeller.

53, A smooth power curve, not easy to have a super power, but this type of impeller cavitation performance than ordinary closed impeller, especially suitable for use in the pump pressure on imports.

54, The present invention utilizes the cavitation effect of ultrasonic wave to make splotch separating fast so as to reach the aim of fast cleaning.

55, At the same time, the car water pump is prone to suffer from cavitation erosion at the entrance of the water pump . So installing a low-pressure radiator cap is usually a useful help.

56, A jet Pumps performances are characterized by its efficiency, cavitation and submergence from different aspects.

57, Its main problem in projects is cavitation damage of ogee section, which can be frequently found in the end, downstream baseboard and downstream sidewalls of ogee section.

58, The volatile material increased in xylem after the PWN invaded. The blockage of water conduction caused by tracheid cavitation was very important factor causing the death of infected pine trees.

59, Because of the body type , the serious cavitation was resulted bucket in Huilongshan dam during discharging.

60, In both silicosis and CWP, these masses can undergo necrosis and cavitation.

61, Sound cavitation is the driving force of sonochemical reactions. Investigation on sonochemical yield is useful in application of sonochemistry.

62, This new model is designed to predict die erosion due to cavitation during filling in high pressure die casting.

63, The length of cavitation bubble approach or exceed the length of objects is known as supercavity.

64, Areas of necrosis and cavitation may occur within the tumor.

65, On the basis of above theoretical model, the spectrum formula of propeller cavitation noise has been derived.

66, Holds that negotiability, flow characteristics, valve type, valve actuator should be considered and cavitation and flashing be avoided when selecting control valves.

67, Because of the cavitation damage owing to the high-velocity flow, the energy dissipator has been faulted seriously.

68, Because sonoluminescence was induced by cavitation, thus cavitation appeared a peak.

69, The effect of reducing cavitation damage in high-speed flow structure not only relate with entrained air concentration, but also relate with air bubble density has been discovered in recent research.

70, This article elaborated the formation mechanism of propeller cavitation, the noise and the cavitation noise spectrum which produced by the bubbles were analyzed.

71, Noise measurements obtained over 30 years ago with scale models and their full-size prototypes are shown to verify the scaling laws proposed for predicting cavitation noise levels and spectra.

72, The boss vortex cavitation of propeller can be avoided by PBCF, and an increase of 2% in propulsion efficiency has been measured in the model tests.

73, The effect of operating parameters, such as inlet pressure, temperature and time on cavitation indicate that optimum operating conditions exist at the cavitation enhancive effect is maximum.

74, On the basis of hydraulic characteristic test and flow numerical simulation, a new method using numerical minimum pressure to predict cavitation coefficient for prototype is presented.

75, Field tests also show that the self-resonating cavitation nozzle is highly effective in reducing bit wear,() increasing drilling footage and drilling speed.

76, The flow field cavitation inside the water hydraulic poppet valve was modeled and analyzed by using the software of FLUENT, and the relation between the cavitation and the pressure was investigated.

77, Furthermore, the noise spectrums of the ball valve in cavitation and cavitation cass are measured.

78, Piercement of drilling pump cold cyclinder is a serious problem existed in field application cavitation erosion.

79, The research on cavitation mechanism shows that nuclei have strong effect on cavitation inception, cavitation development and cavitation noise.

80, The drag coefficient of the aft wetted area of vehicle also decreased with the ventilated cavitation number.

81, Holds that negotiability, flow characteristics, valve type, valve actuator should be considered and cavitation and flashing be avoided when selecting control valves. Analyses all the aspects involved.

82, The cavitation of jet pump is a very important part of the research.

83, The effects of inlet velocity, outlet pressure, opening size as well as cone angle on cavitation intensity in the water hydraulic poppet valve were numerically investigated.

84, The unsteady supercavity shape and length is calculated by using the finite difference time discretization when cavitation number changes.

85, Relative to the group a contusion injury aa dural allograft had decreased cavitation and scar formation.

86, The results are valuable for theoretical and practical research in cavitation noise.

87, We found that the equivalent impedance of transducer increases while the slaving voltage increases, and the equivalent impedance of water load decreases when the cavitation turn strengthen.

88, The structure characteristics and flow-model of throttling groove were analyzed, and the sound-pressure model of cavitation noise inside throttling valves was predicted.