1.The ac currents applied can be a sine alternative current with a relevant frequency, or a pulsed current with a suitable pulsed width rand or a discontinuous pulsed current whose width r is very shorter than the intervals between pulses, and or a " sawtooth" pulsed current with the time of ramp phase of the sawtooth is very much shorter than the sawtooth descending time, the ratio of them can be
所施加的交变电流可以是具有适当频率的正弦电流,或是具有一个适当脉冲宽度τ的脉冲电流,或是一个不连续的脉冲电流(它的宽度τ远小于脉冲间隔),或是一个锯齿脉冲电流(它的上升时间远小于下降时间,其比值甚至可能≤10~(-3))。 对交变电流驱动的物理模型作了详细的分析。
2.For the ribbon and sawtooth chips, the measurement and analysis results of the cutting forces and parameters of chip deformation indicate that the formation mechanism of sawtooth chips is distinctly differ from ribbon chips.
对于带状屑和锯齿形切屑的切削力和切屑变形参数的测量和分析表明,锯齿形切屑与带状屑在形成机理上存在明显区别。
3.Boehm Sawtooth Wave Model and its Applications to Areal Probabilities of Weather Elements
气象要素区域概率分布的锯齿波模型及其应用
4.a tool used to bend each alternate sawtooth at a slight angle outward.
用来把每个交替的锯齿向外分出微角的一种工具。
5.The sawtooth model applies more widely.
这种锯齿模型可以用到更广泛的领域。
6.As a result, on the inner wall of the ray tracheid has sawtooth thickening obviously. The pit of cross field is windows and pine shape. The ratio of the tracheid length to width is about 50. Average air dry density is about 598kg/m 3. The shrinkage of difference is about 1 8;
结果表明：紫杉木材射线管胞内壁锯齿状加厚明显，交叉场纹孔多为窗格状，偶见松型，管胞的长宽比平均值约为50，气干密度平均值约为598kg／m3，差异干缩约为1?8；
7.sawtooth wave generator
锯齿波发生器
8.A mixture of chloroform-methyl alcohol-acetic ether (8:2:1)was used as the developer. The double wavelength reflection sawtooth scanning method was used, the determining wavelength was at 230nm and reference wavelength was at 280 nm.
以氯仿-甲醇-乙酸乙酯(8:2:1)为展开剂,双波长反射式锯齿扫描,测定波长230 nm,参比波长280 nm。
9.Based on spatial correlation theory, by means of Monte Carlo simulation and Equivalent Normal Deviate, an area probability model for weather conditions, the Boehm Sawtooth Wave(BSW) model, has been developed.
以区域场相关性为出发点 ,通过正态化转换和 Monte Carlo方法 ,建立和实现了区域概率分布模型——锯齿波模型。
10.New material for the second edition includes: kinetic energy; temperature and resistance; sawtooth waveform; fundamentals of digital communication and data transmission; industrial processes; cells and batteries; wind and solar power; CDs, DVDs, mobile phones; and the latest LED technology.
新材料为第二版，包括：动能;温度和阻力;锯齿波形;基本面数字通信和数据传输;工业过程;电池;风能和太阳能发电;光碟，光碟，手机;以及最新的技术主导。
