| 1. | Application of slim - hole blasting in hujiayu copper mine
小孔径爆破在胡家峪铜矿的应用 |
| 2. | Measurement of fluid flow using small bore precision orifice meters
用小孔径精确孔板流量计法测量液体流量 |
| 3. | Mechanics effect analysis of pre - stressing bolting rope with small aperture
小孔径预应力锚索力学效应分析 |
| 4. | Engineering practice of small diameter rope bolting in coal lane repairing
小孔径锚索在煤巷修理中的工程实践 |
| 5. | This " paper mainly researches on the humidifying property of the centrifugal nozzle with firing pin type , high pressure and little aperture
课题主要对撞针型高压小孔径离心式喷嘴的雾化加湿性能进行研究。 |
| 6. | For small aperture ejection nozzle , especially to the p serial type that the center hole diameter is 4mm , its center hole and inner cone is always adopting imported numerical control machine to grind
对于小孔径的喷油嘴，特别是直径为4mm的p系列喷油嘴的中孔座面的磨削，一直采用进口的数控磨床加工。 |
| 7. | The important is that the expenses used on technical reconstruction only is 1 / 5 of an new importing equipments , but its processing quantity is almost equal to the importing equipments , completely can satisfy with the rigor craft request of the ejection nozzle ' s precision
更为重要的是用在其改造上费用只有进口设备的1 5 ，而加工质量与进口设备相当，完全满足了高精度小孔径喷油嘴的加工工艺要求。 |
| 8. | Its atomized parcel is so small that no drip is separated out . this kind of centrifugal nozzle has high humidifying efficiency and low energy cost , which could be used in many situations in textile factories such as directly humidifying in workshop and humidifying in air pipeline
撞针型高压小孔径离心式喷嘴的雾化粒子细小、无水滴析出、加湿效率高、耗能少，可直接向车间加湿，适用于纺织厂等多种应用场合。 |
| 9. | When the water - air ratio increases , air ' s changing quantity of enthalpy and absolute humid will be enhanced . at last , the paper analyses the data from single factor experiment by mathematics method and gets relationship formulas about the nozzle flux , valid humidifying quantity and air ' s enthalpy changing quantity
最后，对上述单因素试验得到的数据进行数学分析，运用线性回归分析、多项式回归分析和非线性回归分析的数学方法，得到影响撞针型高压小孔径离心式喷嘴的喷嘴流量、有效加湿量和空气焙变量的数学关系式。 |
| 10. | Aperture synthesis sonar , as its name implies , synthesizes an aperture by storing successive echoes obtained from a moving platform and by processing the results as if they had been obtained from a multi - element array enables a high azimuth resolution to be obtained from a physically small array
合成孔径声纳，顾名思义就是通过小孔径物理声阵的匀速直线运动，将沿航迹方向的回波数据相干累加，形成较大的虚拟孔径，从而提高方位分辨率。合成孔径技术相对于常规声纳技术的突出优势在于，它只利用小孔径的物理声阵，就可以得到与径向距离和频率都无关的高方位分辨率。 |
