Study on the photocatalytic degradation of 13 kinds of benzoic acids in the fixed film flat-plate reactor have been conducted.

研究了13种苯甲酸类化合物在固定膜平板型反应器中的光催化降解。

youdao

"In the classic way, all analemmas were made on single frames of film using multi-exposure Settings and placing a camera on a fixed platform," TWAN's Tafreshi said in an email.

按照经典的方式，所有8字曲线都是利用多次曝光设置和安置在固定平台上的相机拍摄的单幅画面制作而成。

youdao

In fact, it is not like the film and moving the camera is similar to the place, but, with the film is a movement of the follower movement along the axis of the lens, it is relatively fixed picture.

其实不然，跟拍和移动镜头有相似的地方，但是，跟拍是跟随者一个运动主体沿着镜头的轴线运动的，它的画面是相对来说固定的。

youdao

It is five o'clock in the morning and in a scene that would not look out of place in a zombie film, bleary-eyed youngsters, with fixed stares and many still clad in their night clothes, stagger into a leisure centre in west London.

BBC: Decision time for British swimmer Achieng Ajulu-Bushell