自由孔徑 的英文怎麼說
中文拼音 [zìyóukǒngjìng]
自由孔徑
英文
free aperture-
The shadow mask is the critical component of the colour picture tube and the important component for the choice of colour, its function concentrates on the limitation of electronics bound diameter and the screening direction, the electronics bound which is sent by the electronics gun goes scanning, during the scanning process, we should guarantee every bound gathering into the small holes situated on the screen, then these bounds will point to the regularized position through the small holes on the flat mask, and then three basic colours will be produced, at the same time, those useless electronics will be blocked by the mask board
平板蔭罩是彩色顯像管的關鍵部件之一，是一個重要選色元件，其作用是限制電子束直徑和上屏方向，由電子槍發射的電子束在偏轉磁場的作用下進行掃描，掃描過程中必須使每個電子束只能射中熒光屏上的為該束指定的那些小孔上會聚，並通過蔭罩上諸多的小孔分別打到各自對應的熒光質點上，發出三種基色（紅，綠，藍） ，而無用的電子則被蔭罩板截獲。Reverse osmosis is in a salt water such as raw water than natural infiltration to exert greater pressure on the pressure and make the water from the high concentration side infiltrate low concentrations party to the original edema water pressure to the membrane elements on the other side into pure water and raw water minor impurities, colloid, organic matter, heavy metals, bacteria, viruses and other harmful substances and are all retained from the sewage discharge into export
反滲透就是在有鹽份的水中如原水施加比自然滲透壓力更大的壓力，使水由濃度高的一方滲透到濃度低的一方，把原水腫的水分子壓到膜的另一邊變成純凈水，而原水中的細微雜質膠體有機物重金屬細菌病毒及其他有害物質都統統截留下來並經污水出口排放掉。由於反滲透膜的孔徑僅0 . 0001
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