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- The jet characteristics under various injection conditions were measured by the schlieren photograph, and the overall excessive air ratio of the jets were calculated. 通过纹影照片得到了不同喷射压力和背压下的射流贯穿距离、射流锥角和射流体积随时间变化的规律,计算得到了射流内整体过量空气系数随时间变化的规律。
- Using high speed schlieren photographs the microstructure of flame front surface in gas explosion was studied from the microscopic view. 摘要通过高速纹影图像从细观角度详细研究了不同传播条件下瓦斯爆炸火焰前锋的细微结构。
- In this paper the microstructure of flame in methane/air explosion has been studied indetail by using high speed schlieren photographs. 通过高速纹影图像从细观角度详细研究了瓦斯爆燃火焰内部流场的细微结构。
- Keywords laminar burning velocity;propane;diluted mixture;schlieren photograph; 层流火焰速度;丙烷;稀释混合气;纹影摄影;
- Application of schlieren photograph visualization for validating the numerical simulation method of supersonic jet flow 纹影流动显示技术在超声速射流数值模拟验证中的应用
- He dug out a faded photograph and showed it to me. 他找出一张褪了色的照片拿给我看。
- The photograph was backed with cardboard. 照片背面衬上了一层纸板。
- I planned to enlarge this photograph. 我计划放大这张照片。
- Have you seen my photograph in the newspaper? 你看到我在报纸上的照片了吗?
- I'd like to enlarge a photograph. 我想放大一张照片。
- Stand still while I am taking your photograph. 我帮你拍照时站着不要动。
- He took a photograph of the child. 他给那孩子拍了一张照片。
- The photograph brings back many pleasant memories. 这张照片使人回想起许多愉快的往事。
- I snapped a nice photograph of her. 我给她拍了一张很好的快照。
- That photograph is not sharp enough. 那张照片不够清晰。
- I took a photograph of my girl friend. 我给女朋友拍了张照片。
- Stand still while I take your photograph. 我给你拍照时,站著不要动。
- May I ask for a photograph of Mr. Lee? 我能要一张李先生的照片吗?
- A photograph requiring magnification for viewing. 微型照片放大后才看得清楚的照片