如果船厂可以做超声波试验,则应该用超声波来确认水密舱盖的密封性。
Ultra sonic test to be carried out for confirm tightness of hatch covers if the yard can do.
探讨了超声波应用于木材阻燃浸渍处理过程的可行性,同时讨论了超声波试验参数频率、声强、辐射时间等的选择。
This paper explores the feasibility of ultrasonic technology leading to produce fire-retardant wood and test conditions such as frequency, sound intensity and time etc.
根据其他研究团队既往的试验,该小组认识到超声波可对组织产生物理效应。
The team knew from experiments done by other groups of researchers that ultrasound can have a physical effect on tissue.
托雷斯 -桑切斯,与斯特拉斯克莱德大学的同事一起,正在试验当聚合物开始冒泡的时候,用低频率的超声波照射来“激发”熔融聚合物。
Torres-Sanchez, along with colleagues at Strathclyde University, is experimenting with low-frequency ultrasonic irradiation to ‘excite’ molten polymers as they begin to foam.
不过,泰勒博士发现经他验证的所有试验无一例外的使用了高能超声波。
Dr Tyler, however, realized that all of the studies he had examined used high-intensity ultrasound.
同时本文还对超声波—脉冲电流电化学复合抛光进行了试验探索。
This paper also tried to do some experiments of combined ultrasonic electrochemical polishing.
酵母的破壁试验考察了研磨、加入有机溶剂和超声波等不同的破碎方法。
Methods of disruption, such as ultrasonic disruption, grinding disruption and solvent dissolution, were carried out in the experiments.
在单因素试验中超声波提取的粗阿拉伯半乳聚糖最高提取率为16.61%,比传统浸提法高。
In single factor experiment, the highest extraction yield of ultrasonic extraction is 16.61%, which is higher than traditional extraction.
论述超声波振动珩磨振动系统的原理,通过振动试验分析振动系统中的变幅杆、弯曲振动圆盘、振动子系统的振动效果。
The principle of vibration systems of ultrasonic vibration honing are discussed. The vibration effect of horn, curved vibrating disc and child system are analyzed by experiments.
对试验结果进行了回归分析,建立了钢纤维混凝土超声波声速与抗压强度之间的关系曲线。
The relationship between ultrasonic velocity and compression strength was set up by regression analysis of the testing data.
试验结果表明,以上因素都不会对超声波纵波检测产生很大影响。
The test results indicate that the above factors do not have much effect on ultrasonic longitudinal wave testing.
同时通过对比试验研究了低强度的超声波对膜污染防治作用及其在膜-生物活性炭反应器中对生物过程的强化作用。
And the effects of ultrasonic irradiation at low intensity in BACMR on the enhancement of biological action and membrane pollution control were investigated through parallel experiments.
对一批不同龄期的掺粉煤灰或矿渣的钢纤维混凝土试件进行了超声波检测及抗压强度试验。
The steel fiber concrete with fly ash and slag of different ages by ultrasonic detection and compression strength were tested.
本文对超越性现象产生的条件、规律进行了试验和理论分析,丰富了超声波振动切削理论。
In this paper, the experiments and theoretical analyses are made about the occurring conditions and regularities of this phenomenon, which enriches the ultrasonic vibration cutting theory.
利用超声波技术并辅以电测法,对两组不同开口深度混凝土缺口梁的损伤断裂特性进行了试验研究。
It is conducted an experimental study on the damage and fracture characteristics of notched concrete beams with two groups of different depths by ultrasonic technology with strain gauge technique.
本文对在淬火油槽内用超声波振动提高油冷却能力的试验进行了研究。
This paper deals with the experimental study of improvement on the oil cooling ability by producing ultrasonic wave vibration in the quenching oil trough.
材料晶粒尺寸约大于多少波长时,超声波的散射会影响试验结果?
When material grain size is on the order of( ) wavelength of larger, excessive scattering of the ultrasonic beam may affect test result.
试验表明利用超声波强化浸出锌浮渣可大大提高了锌浮渣的浸出率,缩短了浸出时间。
Experiment manifests that the leaching rates of zinc dross are elaborately enhanced and the leaching time of zinc oxide finished ore is shortened by means of ultrasonic strengthening.
分析了液固耦合情况下的超声波传播特性,取得了与光弹法物理试验相一致的结果。
Numerical results of the ultrasonic propagation characteristics in a liquid-solid coupled interface are in accord with those obtained by photo-elastic experiments.
研究了超声波对活性污泥活性的影响,用污泥好氧速率OUR来衡量活性,并通过模拟人工废水试验验证。
The pretreatment of activated sludge by ultrasound was studied to improve sludge activity as denotation using oxygen uptake rate (OUR). And this was validated by artificial sewage treatment.
试验结果表明,以超声波传感器测得的水平距离数据作为描述果树外形的依据基本可行。
The result showed that it was feasible to describe the fruiter shape by using the level distance data measured by ultrasonic sensor.
通过单因素试验和RSA响应面分析法优化了荔枝多糖的超声波辅助提取工艺。
The optimum conditions of ultrasonic wave-assisted extraction technology for litchi polysaccharides were determined with the single factor and the RSA response surface method.
试验结果表明:辅以超声波作用的电化学技术可以在常温下快速去除不锈钢表面的高温热处理致密氧化皮,恢复了不锈钢的金属色泽表面。
The results show that the electrochemical technology coupled with ultrasonic actions can remove oxide films rapidly at room temperature and renew the metallic luster of stainless steel.
采用了超声波无损探伤检测和破坏性试验相结合的试验方法,得到了一种鉴别陶瓷电容器可靠性的快速判别依据。
A quick method to assess the reliability of ceramic capacitors were also got through the combination of supersonic wave aided nondestructive test and destructive test.
摘要:本研究采用正交试验设计分别优选回流提取和超声波提取竹柏叶总黄酮的最佳工艺条件。
Abstract: in this study, the reflux extraction and ultrasonic extraction processes of total flavonoids from Podocarpus nagi leaves were optimized using orthogonal experiments.
根据正交试验找到了较好的分散悬浮剂,通过添加分散悬浮剂和采用超声波分散的方法制备出悬浮性、分散性良好的油基纳米抗磨剂。
The oil-based nanometer antiwear agents with well suspension property and well dispersibility were prepared by choosing the proper dispersants and using the ultrasonic dispersion method.
正交试验结果表明:超声波预处理时间是影响褐菇多糖提取量的主要因素;
The results of orthogonal experiment showed that ultrasonic pretreatment time was the main factor that affected the extraction of polysaccharide in portabella.
通过单因素和正交试验优化了超声波法提取银杏多糖的实验条件。
The extraction condition of Ginkgo Biloba Seed polysaccharide (GBSP) by Ultrasonic Wave were optimized with single factor and orthogonal experiments.
通过超声波对单轴压缩试验中岩石扩容现象的测试,分析了超声横波在不同岩石压缩过程中的传播情况。
By the test about the volumetric dilatancy in rocks under the uniaxial compression with ultrasonic, the propagation of ultrasonic S-wave was analyzed in the compressing process of different rocks.
通过超声波对单轴压缩试验中岩石扩容现象的测试,分析了超声横波在不同岩石压缩过程中的传播情况。
By the test about the volumetric dilatancy in rocks under the uniaxial compression with ultrasonic, the propagation of ultrasonic S-wave was analyzed in the compressing process of different rocks.
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