| 1. | A few methods exploit other properties of flowing fluids, such as the propagation of various sonic waves .
还有几种方法能利用流体的其它性能，如各种不同的声波的传播。 |
| 2. | The sonic wave characteristics of cement soil and its application
水泥土的声波特性及其应用 |
| 3. | Application of sonic wave dust cleaner in head end ep of sintering machine
声波清灰器在烧结机头电除尘器中的应用 |
| 4. | Test and research on sonic wave approach to decide consolidation time of grouted soil mass
用声波法判定注浆土体固结时间的试验研究 |
| 5. | Determination of particle size distribution of fine powder - method of sieve classfication with sonic wave
细粉末粒度分布的测定声波筛分法 |
| 6. | Sonic wave analysis on uncoupled explosive - charging structure for damnification of hole wall rock
不耦合装药爆破对孔壁岩石损伤破坏的声波分析 |
| 7. | Abstract : in accordance with the engineering application practice , the key techniques of using ultra - sonic wave material level meter to measure the fine solid material in ore bins in an adverse enviroment of mine are described
文摘:根据工程应用实践，阐明了在矿山恶劣环境下，使用超声波物位仪表来测量矿仓细粒级固体物料的关键性技术。 |
| 8. | The criterion to judge the relaxation depth of rock mass of excavation slope is defined by analyzing data of sonic wave speed and field investigation , and the distributing law of various weathered degree fossil weathered rock on slope of are educed . the mechanics parameters of relaxed rock mass are studied by using relational expression between mechanics parameters and value of sonic wave speed , which provide convenience for the study of mechanics parameters of rock mass in different state
在此基础上，利用现场调查和实测波速资料，制定了边坡开挖岩体松弛带深度的判定标准，从而分析得出了各风化程度古风化岩边坡的松弛带分布规律，并采用波速与岩体力学参数的相关式对松弛带岩体的力学参数进行了研究，为研究不同状态下岩体的工程特性提供了方便。 |
| 9. | Through the statistic and analysis of rock core crack , sonic wave velocity test , microcosmic structure of core slice observation by electron microscope , core strength test to the sampled damaged slope rock mass , it indicates that the damage degree of smooth blasting to slope rock mass has no obvious relation with blasting scale but with the line density of explosive filling and the strength of the rock in damaged area decreases evidently
通过受损边坡岩体取样岩芯裂隙的统计分析、声波速度测试、岩芯切片微观结构的电镜观察及岩芯的强度试验，发现光面爆破对边坡岩体的损伤程度与爆破规模无明显关系，而与光爆孔的线装药密度有关，损伤区岩石的强度明显降低。 |
| 10. | From the past research work , it has been known that the main mechanisms of spectral lines broadening in the atmospheres of stars are doppler broadening , spectral lines broadening by rotation and expending , pressure broadening ( stark broadening ) , natural broadening , spectral lines broadening in magnetic field , sonic waves and alfv e n waves broadening , etc . but it is not enough to explain the recent observation phenomena by above theories of spectral lines broadening
以往的研究已经判明，在恒星大气内谱线致宽的主要机制是多普勒致宽、自转源或膨胀源引起的致宽、压力致宽(斯塔克致宽) 、自然致宽、磁场引起的加宽、声波及阿尔文波致宽等。然而，已有的谱线致宽理论不足以解释最近的一些观测现象，仍存在观测值与理论值之间的差异。 |
