Resistance and Resistance Reduction in Preheater System;
预热器系统的阻力及降阻
Study on law of flow velocity distribution and flow resistance in slot plug;
狭缝式透气砖内气流速度分布规律及阻力研究
Effective methods for reducing acetylene generation system resistance;
降低乙炔发生系统阻力的有效方法
An experimental study of the cavities characters of headforms and their influence on the drag characters of slender body;
系列头型空泡特征及其对细长体阻力特性影响的试验研究
Experimental research on flow drag in biological contact aeration process for water supply source pre-treatment;
生物接触氧化源水预处理工程的水流阻力试验研究
Analysing model for the flow field and drag of fibrous filters with noncircular fibers;
异形纤维过滤器流场及阻力数值分析模型
Study on heat transfer and pressure drop performance of corrugated tube heat exchanger;
厚壁波纹管换热器传热与阻力性能研究
The impact of tooth parameters on heat transfer and pressure drop performance of inner-thread copper tube;
齿形参数对内螺纹铜管换热及阻力性能的影响
Experimental Research on Performance of Heat Transfer and Pressure Drop for Tube-Core-Fin Radiator;
管芯式散热器传热与阻力特性试验研究
Research of Characteristic of University Student of Nanjing City Football Fan and Obstruction of Watching the match;
南京市大学生足球迷特征及现场看球阻力之研究
The main obstructions in constructing the ecological environment in the region are the vulnerable ecos.
本区生态环境建设的主要阻力是生态系统脆弱、经济系统贫困、科技文化水平落后、生态建设效益滞后、投资巨大等。
There is obstruction from the objective, such as the local protection, the disturbance from those who are criticized and exposed.
其中 ,有来自客体方面的阻力 :“地方保护主义”、被揭露被批评者的干扰 ;有来自主体方面的阻力 :对“正面宣传为主”与舆论监督的关系的认识上存在着误区、新闻监督的具体客体缺乏典型性、批评报道的失实引发新闻纠纷 ;也有来自其他方面的阻力 :有关舆论监督的法律、法规不健全等。