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1)  near-field behavior
近区特性
1.
In order to study the mixing and diffusing patterns of thermal wastewater in receiving waters,the Reynolds Stress Model(RSM)considering buoyant effects was used to simulate the three-dimensional near-field behavior of thermal wastewater.
排放口长宽比对热污水表面侧排近区特性有较大的影响,并且扩散宽度和排放口的长宽比具有良好的相关关系。
2)  close-zone actuation performance
近区启动特性
1.
The weakness of evaluation by using missile flight test is discussed, and the importance of evaluating the close-zone actuation performance of radio fuze is pointed out.
指出了利用导弹飞行试验考核无线电引信启动特性存在的问题,论述了无线电引信近区启动特性考核的必要性,并初步研究了其考核方法。
3)  near sound field distribution
近场特性
1.
By discussing the near sound field distribution,it shows that there is a critical pole between the near field and the far field,and the variation of the critical pole is influ.
讨论了辐射声场的近场特性,表明近场和远场之间存在临界点,临界点随环宽变化而变化,环宽越大,临界点离环中心越远;反之,临界点离环中心越近。
4)  esimilar characteristics
特性相近
5)  reaching behavior
趋近特性
1.
The scheme is able to make the states of system keep one reaching behavior, which is better for designing variable structure control, reach the sliding surface quickly and avoid the system chatting.
讨论了基于指数趋近律的变结构控制所存在的问题,分析了指数趋近律中参数的选择对系统状态的趋近特性造成的影响,提出了改进的离散变结构控制方案。
6)  asymptotic characteristic
渐近特性
1.
This paper discusses the asymptotic characteristics of the temperature field in pure radiant heat transfer system with a heat source at constant temperature.
本文讨论了热源为常值的纯辐射换热系统温度场的渐近特性,对其热平衡方程组结出了稳定性的充分条件,且导出了稳定解。
补充资料:近红外区
分子式:
CAS号:

性质: 电磁波谱图上红外光谱区域分为近红外区、中红外区和远红外区。近红外区域是由电子跃迁加上振动和转动跃迁引起的,其波数为12 500~4000cm-1(波长0.80~25μm),它也是倍频和组合带区。分光光度计800nm以上即为近红外区,高档的紫外—可见光—近红外分光光度计,可包括近红外波段(800~2500nm)。

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