1)ultrasonic field超声场
1.Electrochemical property research of nickel nanopowders prepared under ultrasonic field;超声场制备纳米镍粉的电化学性能研究
2.Nano copper powder produced by chemical reduction under ultrasonic field and its influence facts;超声场辅助增强化学还原法制备纳米铜粉及影响因素
3.Effects of Melt Temperature on Solidified Structure of Sn-Sb Peritectic Alloy in Ultrasonic Field;超声场下熔体温度对SnSb合金凝固组织的影响
英文短句/例句
1.Effect of Ultrasonic Field on Extracting Chlorogenic Acid from Sunflower Seed Using Supercritical Carbon Dioxide超声场对超临界CO_2萃取葵粕绿原酸的影响
2.Low intensity ultrasonic treatment to enhance aerobic digestion of excess sludge低强度超声场促进剩余污泥好氧消化
3.EVOLUTION OF MICROSTRUCTURE OF SEMISOLID METAL SLURRY IN ULTRASOUND FIELD超声场中金属半固态浆料组织的演化
4.An Experimental Study on Acoustic Field Measurement of New Phased-array Focused Ultrasound新型相控聚焦超声声场测量实验研究
5.Numerical Simulation of HIFU Soumd and Temperature Fields高强度聚焦超声（HIFU）声场及其温度场的数值模拟
6.Simulation of the Ultrasonic Inspection Field Based on Multigaussian Beam Model;基于多元高斯声束模型的超声检测声场模拟
7.Linear Acoustic Analysis of Concave Sphere Dual-frequency Focused Ultrasonic Field凹球面双频聚焦超声声场的线性声学分析
8.Study on Characteristics and Measurement Methods of the High-power Low-frequency Ultrasonic Fields for Cleaning;大功率低频超声清洗声场的声场特性及测量方法研究
9.Study on the Acoustic Field of Line-focusing Ultrasonic Transducer Used in Seabed Pipeline Detection海底管道检测用线聚焦超声探头声场研究
10.The Research on Analysis and Mesurement in Frequency and Acoustic Field of Water-Logging Ultrasonic Probe水浸超声探头频率、声场特性的分析及测定研究
11.Investigation on Simulation and Visibility of Ultrasonic Field Based on MATLAB;基于MATLAB的超声波声场模拟及可视化研究
12.Experimental Study on Measurement of Ultrasonic Cavitation Field with Sonoluminescence;声致发光法测量超声空化场的实验研究
13.Application of Visualization Technology in Simulation of Ultrasonic Acoustic Field;可视化在超声波无损检测的声场模拟中的应用
14.Effect of Cavitation Noise in Ultrasonic Cleaning on Open-field Behavioral of Mice;超声波清洗空化噪声对小鼠旷场行为的影响
15.Theory of Ultrasound Micro/nano Particle Manipulation and Research of Acoustic Field Design超声操控微纳米颗粒的理论及声场设计研究
16.Study on the Characters of Ultrasonic Pulse Field Based on the Means of Reflection by Small Ball基于小球反射法的超声脉冲波声场特性研究
17.Influence of Transducer Arrangement Number on Characteristics of Sound Field in Ultrasonic Cleaning Tank换能器布阵数量对超声清洗声场特性的影响
18.Progress of research on improving sound field uniformity of ultrasonic cleaning改善超声清洗中声场均匀性的研究进展
相关短句/例句
Ultrasound[英]['?ltr?sa?nd][美]['?ltr?'saund]超声场
1.Preliminary study on the effect of ultrasound on supercritical carbon dioxide extraction of pyrethrins;超声场强化超临界CO_2萃取除虫菊酯的初步研究
2.Effect of ultrasound on the leaching of electrolytes in a capillary;超声场对毛细管内电解质浸出过程的影响
3.Effect of ultrasound on diffusivities of electrolyte in a capillary;超声场对毛细管内电解质扩散系数的影响
3)ultrasound field超声场
1.Study on the osmotic dehydration of longan sarcocarp enhanced by ultrasound field;超声场强化龙眼渗透脱水研究
2.Water losses rates and solid gain rates of carrot were obtained by experiment consequently,the water losses rates constant and the solid gain rates constant of carrot with ultrasound field and nature were ascertained.对超声场强化胡萝卜渗透脱水过程中的质量传递进行了研究,建立了渗透脱水传质模型。
3.The effect of ultrasound field on glycyrrhizic acid yield and purity of crude glycyrrhizic acid was studied during the course of extracting glycyrrhizic acid by soaking glycyrrhiza powder in ammonia solution.研究了以甘草粗粉为原料，用氨水作为溶剂，在超声场的介入下对甘草酸提取率和粗品纯度的影响，与未加超声场的传统方法相比，超声场的介入可显著缩短提取时间，并获得较高的提取率。
4)ultrasonic[英][,?ltr?'s?n?k][美]['?ltr?'sɑn?k]超声波声场
1.Measurements of ultrasonic fields andtheir standards;超声波声场测定法及其标准
5)ultrasonic field超声波场
1.The mechanism of desorption enhanced by ultrasonic field was expatiated.根据超声条件下吸附相分子的受迫振动和非吸附相分子的波动,分别讨论了吸附相分子及非吸附相分子在超声波场中获得的能量并进行了数量级分析和比较。
2.According to the forced vibration of the molecules in the adsorption phase and the fluctuation of the molecules in the fluid phase within an ultrasonic field,the energies obtained by the molecules in both the adsorption phase and the fluid phase are then investigated.从分子动力学规律出发,建立了Langmuir吸附系统在外场作用下的吸附相平衡关系式,并根据超声条件下吸附相分子的受迫振动和非吸附相分子的波动,分别讨论了吸附相分子及非吸附相分子在超声波场中获得的能量,结果表明:在超声波场中,吸附相分子比非吸附相分子获得更多的能量是Langmuir吸附平衡等温线降低的本质所在。
6)ultrasonic irradiation超声波场
1.The reaction mechanism of dispersion polymerization of styrene assist-initiated through ultrasonic irradiation is put forward through test and theoretical analysis,which is stepwise carried out in different regions.通过实验研究和理论分析,提出了超声波场作用下分散聚合的反应是分区域分阶段逐步进行的反应机理。
2.On the basis of experiment design, the feasibility study on dispersion polymerization of styrene assist-initiated through ultrasonic irradiation was done.通过实验设计,对超声波场下辅助引发苯乙烯(St)分散聚合反应的可行性进行了研究。
延伸阅读
超声场测定方法超声场测定方法measurement methods for ultrasonic field 超声场测定方法的肋川c 6eld)(~u块”犯nt右刀又与书2。姗th叼sfor日-t的空间。不同的超声振动源以及不同的传播条件将形成不同的超声能量的分布空间，即不同的超声场。根据惠更斯原理，探头发射面上的每一点都应看成是一点状声源，它们各自发射的球面子波在声场中相遇时将发生干涉，结果使声场内声压或声强变化剧烈，起伏不均，甚至在某些空间点上声压为零，而另外一些空间部位的声压则呈极大值。远场呈现出放射状，并逐渐过渡到球面波。 声场测量方法如下:首先安装好被测超声探头和水听器，定位装里可使水听器沿3个正交轴在水槽声压┌─────┬─┬─┐├丝──┐ │…│{ ││_八 │ │ │ │└┬──┼─┼─┴─┘ │.、 │. │ │ │\ │ └──┴─┘ 声脉冲幅度测t原理图内移动，并可绕:、y轴转动。利用定位装里调节水听器，在被测探头的辐射声场中找到声压最大值，其声脉冲波形如图所示。该信号经放大后输人到信号处理设备，求出脉冲声压平方积分P;和脉冲宽度‘d。t‘为瞬时声压平方对时间积分值达到其终值(即P。)之1崛的时刻t0:，‘与达到该终值之以跳时刻气，，.之间的时间间隔的1.25倍。参见超声声强可求得: 尸，__P偏“两和‘，“砂式中:I，为空间峰值脉冲平均声强，I，为空间峰值时间平均声强，p为介质密度，。为声速，T为声脉冲重复周期。(熊大莲)
