缠绕数

在多连通区域，量子体系的状态应有新的量子数缠绕数k存在。

A quantum mechanical state defined as a multi - connected manifold should be labeled by a new quantum number & the winding number k.

多连通区域的缠绕数和A-B干涉效应

Winding number in a multi - connected manifold and A - B interference

在A－B干涉效应中，干涉花纹在屏幕上极大值的位置应以hc/e周期性出现，其强度随着缠绕数k的增加而减弱。

In the A - B interference the maximum of the interference pattern in the screen should be oscillatory with a period ( hc ) / e and the intensity should be weakened with the increase of winding number k.

结果表明，在一定范围内，NOx去除率随进气放电反应管通电数目、排气梯度钢筒通电数目和钢筒内钼丝缠绕数目的变化而变化。

The experiment results showed that , under the appropriate range , with the number of discharge reactor and the number of grads steel canister and the number of molybdenum increasing , the removal efficiency of NOx improved .

结论脐带缠绕周数越多，胎儿窘迫、死胎、新生儿窒息发生机率也越大；

Conclusion The more circles of umbilical cord entanglement are , the higher incidence of fetal distress , fetal death , and neonatal asphyxia would be .

研究表明，导管的减振效果与阻尼材料的直径、缠绕匝数有关。

The results show that the decreasing vibration of pipe is relation with the diameters and a number of circles of damping materials winded on pipe .

利用变频电磁激励源，通过室内静态实验研究了电磁处理对水的物理性质的影响，以及电磁线圈缠绕匝数、频段等因素对电磁防垢效果的影响。

Employing variable frequency electromagnetic excitation source , the influence of electromagnetic wave on physical properties of water , and the influence of electromagnetic coil winding turns and frequency band on anti-scaling performance are researched by indoor static test .

在缠绕相同匝数时，振动有效值都随着材料直径的增大而减小。

The energy spectrum of vibration ( RMS ) decreases with increasing damping materials diameter at winding same number of circles of damping materials .

建立炮管、线圈数学模型，仿真炮管磁屏蔽大小，根据炮管磁屏蔽后的磁场大小和缠绕线圈的匝数、层数确定两组线圈的通电电压。

Building a mathematical model of barrel and coils , simulation magnetic shielding size of barrel , according to the size of magnetic field of magnetic shielding of barrel and turns , layers of coil to get the voltage provided by two sets of coils energized .