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cavitation相关的网络例句

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与 cavitation 相关的网络例句 [注:此内容来源于网络,仅供参考]

an approach divides the sonoluminescence from the sound field by using test tube with black plastics and the isotropic light trap is applied to collect sonoluminescence in the trough which irradiates hematoporphyrin out of the sound field.the results of our work suggest that ultrasonically induced cavitation produces nonequilibrium high temperature, emits shock waves, together with the cavitation energy in hematoporphyrin solution activating hematoporphyrin.

从超声空化产生的声致荧光出发,采用试管外包裹黑色塑料的方法将大量生理盐水的声致发光与其余能量形式分开,在相同条件下,使用集光球收集水槽中盐水的声致荧光,将荧光引出声场单独作用血卟啉。结果表明,水槽中盐水的空化热能、冲击波与试管中血卟啉溶液空化产生的高温、高压、冲击波等多种能量的合作用激活血卟啉。

The cavitation erosion behaviours of the main two steels used in hydroturbine are investigated in distilled water with and without sand by ultrasonic vibration equipment for cavitation erosion.

利用超声振荡空蚀实验机对两种主要的水轮机用金属材料进行了清水和含沙水条件下的空蚀行为研究。

MPR and VR were applied in the imaging post-processing. Results: All cases were divided into four groups according to the thoracic CT findings and pathologic results as follows:① spheral caseous pneumonia;② tuberculous granuloma;③ fibrous caseous nodule;④ Focal pulmonary consolidation with cavitation. The spheral lesion appeared inhomogeneous density (44/58). cavitation (14/58) or satellite foci (21/58). Contrast scanning was carried out in 31 cases, of which peripheral or ringshaped enhancement was seen in 15 cases, no enhancement in 9 cases and extensive enhancement was seen in 7 cases.

结果:依据影像学表现、随访结果和病灶的病理改变,将58例球形肺结核分为四种类型:①球形干酪肺炎11例,体积较大(最大直径3~5cm),边缘模糊或毛糙,可见晕征,无强化或环行强化;②结核性肉芽肿19例,软组织密度,形态规则或不规则,边缘清楚或光整,强化模式为均匀强化或厚壁强化;③纤维干酪结节14例,规则球形,边缘光滑锐利,内部密度不均匀,可见钙化,多无强化或薄壁环行强化;④结核空洞14例,干酪空洞或纤维空洞,内壁不光整,可见到引流支气管(2例)。

Based on the simulation results, the region and the degree of cavitation occurred in the flow passage of the turbine with a low water level at the outlet of the draft tube are examined, the cavitation performance of the turbine is also evaluated.

根据模拟结果,考察了水轮机在低尾水位下运行时流道内空化发生的部位和程度,并对水轮机的空化性能进行了预估。

In order to study the cavitation flow in a centrifugal pump, numerical simulation of steady cavitating turbulent flow in a specific speed 95 centrifugal pump was carried out by using a full cavitation model and a mixing two-phase flow model.

为了研究离心泵内的空化流动,将完整空化模型和混合流体两相流模型相结合,对比转速为95的离心泵叶轮在设计工况下的空化流动进行数值模拟。

The two variables are used to forecast cavitation in feed water pump and send an alarm signal, which is used to guide the feed water pump's process control system to prevent cavitation.

以这两个量为基础,汽蚀诊断模型能实时预报给水泵的汽蚀状态。

In the actual production process, the flashing and cavitation not only affect the calculation of flow coefficient, but also the formation of vibration and noise, shorten the life of the valve, so the choice should be to prevent the valve produces flash valve and cavitation .

在实际生产过程中,闪蒸和空化不仅影响流量系数的计算,还会形成振动和噪声,使阀门的使用寿命变短,因此在选择阀门时应防止阀门产生闪蒸和空化。

Because of the location of the installation guide lower, together with special structure, guide pulley itself has a strong anti-cavitation characteristics, and therefore to some extent, solve the water pump impeller cavitation and lack of submerged deep questions.

由于导轮安装的位置较低,加上结构特殊,导轮本身具有很强的抗汽蚀特征,因而在一定程度上可解决水泵汽蚀及叶轮淹深不足问题。

When mixed with oil in the air, easy in its high-pressure area formed cavitation, and pressure wave form of communication, caused by oil shocks, resulting in cavitation noise generated.

当油液中混入空气后,易在其高压区形成气穴现象,并以压力波的形式传播,造成油液振荡,导致系统产生气蚀噪声。

Theoretical analysis of cavitation phenomena around two-dimensional hydrofoils is conducted firstly and cavitation zone profile around NACA 4412 hydrofoil is iteratively solved.

本文首先对二维翼型周围的空化现象进行了理论分析,并迭代求解了NACA4412翼型周围空化区形态。

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