Results show that TiN coating is bell mouth columnar structures and shows ( 200 ) ( 111 ) preferred orientation .

研究表明：面心立方结构的TiN涂层晶粒形貌为典型的 喇叭口结构，沿（200）、（111）择优生长；

Techniques of building a bell mouth to an operated tunnel

既有运营隧道 增建 喇叭口施工技术

The Study of Bell Flue Mouth Affect the Airflow Distribution in Regenerator

喇叭型烟道 入口影响蓄热室内气流分布的研究

The SPS and SS content in the summer maize stems increased from jointing stage to great bell mouth stage and reduced from great bell mouth stage to heading stage .

夏玉米茎秆中SPS、SS活性从拔节期到大 喇叭口期增大，大喇叭口期到抽雄期再逐渐减小。

In view of existing problems in the conventional measurement an improved measuring method for tube frictional resistance loss and the influence of the bell mouth etc is developed to make the measurement more reasonable and accurate .

针对常规测试中存在的问题，改进了管道摩阻损失的测试方法，消除了 喇叭口等因素影响，使得管道摩阻测试更加合理和准确。

Cooperating with FN cleaning fluid which dilutes dispersed cement slurry this equipment can avoid trip in drifting cleaning bell mouth operation after liner setting therefore ensures the smooth operation of electric logging and oil production .

该装置与稀释分散水泥浆的FN清洗液配合使用，能避免尾管固井碰压后下钻通井清洗 喇叭口作业，从而保证电测和采油等后续作业的顺利进行。

Liner Hanger Bell Mouth Cleaning Technology and Its Application

尾管悬挂器 喇叭口清洗技术及应用

The intake bell mouth took the curve of catenaries to improve flow pattern and to increase discharging capacity .

进口 喇叭口顶缘选取悬链线型式，以改善流态和提高泄量；

Analysis of Bell Mouth to The Effect of Aerodynamic Performance for Forward Curved Multi-foil Centrifugal Fan

集流器对前向多翼离心通风机气动性能的影响分析