Cavitation erosion and wear are the major problems of hydraulic turbines and other hydro-equipments .

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

采用超声振动原理建立了一台汽车发动机滑动轴承模拟气蚀试验装置.

The influence of cavitation parameters on the critical cavitation number and critical ventilation coefficient was analyzed.

分析了超空泡的生成过程和空化器参数对形成超空泡的临界空化数和通气系数门限值的影响.

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

因此在掺气减蚀研究中,必须加强对气泡尺寸的检测.

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

空化所引起空蚀是很复杂的物理现象,很多运转于液体中的机械都有程度不等的这种损坏.

CAVFLO trim is used in liquid applications to protect control valves from cavitation damage.

用于介质是液体,易出现气蚀的场合.

Switch these for high-fluid foods such as celery, lettuce, cucumber and tomatoes instead.

可以食用高水分的食物代替,如芹菜 、 莴苣 、 黄瓜、番茄等.

The test fluid diluted solution of Methyl Cellulose ( MC ) and water, its concentration is below 1 %.

以浓度≤1%的甲基纤维素 ( MC ) 水溶液为装置的试验介质.

Results mechanical properties are similarly as cellulose fiber prepared using the same technique in our laboratory.

由于生姜是一种药物,故这种共混纤维也可以被认为是一种药物纤维.

Low molecular weight heparin-chitosan-sodium carboxymethyl cellulose microcapsules were prepared by means of emulsion-dispersion cross-linking method.

采用乳化 分散交联 法,制备了低分子肝素 - 壳聚糖 - 羧甲纤维素钠微囊,考察了不同处方工艺对微囊释药性能的影响.

Sodium salt of carboxymethyl cellulose ( CMC ) is the main component of water-soluble paper.

水溶性 纸具有很大的市场前景.

In the experiment the high viscosity carboxymethyl cellulose sodium was made by apple marc.

以苹果渣为原料制备较高黏度羧甲基纤维素钠.

The mercury hovered around 35 Celsius degree.

水银温度计停留在摄氏35度左右.

All colloidal crystals have face-centered cubic structures and the structures are highly ordered.

实验结果表明,所得胶晶都具有面心立方结构,结构有序性相当高.

Global temperatures will increase as much as three degrees centigrade.

全球的温度会上升三摄氏度.

The thermometer read zero degrees centigrade or thirty-two degrees in the fahrenheIt'scale.

温度计上的温度是摄氏零度,华氏 三十二 度.

He was self-centred, but he wasn't cruel.

他很自私，但是并非无情。

Methods Rat gastric parietal cells were isolated by pronase digestion and purified by discontinuous density-gradient centrifugation.

方法采用链霉蛋白酶消化、间断密度梯度离心纯化大鼠胃黏膜壁细胞.

Conclusions The number of cells density gradient centrifugation method than with whole marrow method.

结论梯度离心法较全骨髓法收获细胞数量大.

Objective To explore the diagnosis and treatment of acute cerebrovascular disease and neural pulmonary edema.

目的总结急性脑血管病并发神经源性肺水肿的诊断和治疗经验.

Objective To study the relation between acute cerebrovascular disease ( ACVD ) and plasma endothelin ( ET ).

目的探讨血浆内皮素 ( ET ) 和急性脑血管病 ( ACVD ) 发病的关系.