face preparation 中文意思是什麼

face preparation 解釋
工割工作面
  • face : n 1 臉，面孔；面貌，樣子；面子，威信。2 愁容，苦臉；〈口語〉老面皮，厚臉皮。3 外觀，形勢，局面。4...
  • preparation : n 1 準備，預備；〈常 pl 〉準備工作[措施]；預修，預習 （for） 預習時間；（對…的）準備。2 （藥、菜...
  1. The present work indicates the organic nf membranes and the inorganic nf membranes all have shortages, so develop composite nf membranes that have low cost, mechanically strong and thermally / chemically - resistant, easy to cleanout and good performances is a very important task. in this paper, the preparation of inorganic - organic composite nf membranes were presented. this composite comprise a porous sio2 / al2o3 support substrate, the pore diameters of which ranging from 10 to 15 nm, this inorganic support substrate having a polymer membrane which comprises an polyvinyl alcohol ( pva ) or polyamide ( pa ) densely deposited on at least one of the face surfaces thereof, the structural porosity of such pva and pa membrane ranging from 3 to 5 nm

    本論文以開發無機?有機復合納濾膜為出發點，首先在al _ 2o _ 3多孔微濾膜上利用溶膠?凝膠法制備sio _ 2 al _ 2o _ 3無機復合超濾膜作為無機?有機復合納濾膜的基膜；選用聚乙烯醇和聚酰胺為表面功能層材料，分別探討了以羥基丁二酸和磺基水楊酸為混合交聯劑，採用浸塗法制備了聚乙烯醇sio _ 2 ? al _ 2o _ 3復合納濾膜；以均苯二甲酰氯、哌嗪和二胺為單體，採用界面聚合法制備了聚酰胺sio _ 2 ? al _ 2o _ 3復合納濾膜，並對影響膜性能的諸多因素進行系統研究。
  2. Wear a face mask if involved in the preparation or serving of food

    處理食品的員工要戴上口罩。
  3. Bilibin puckered up his face in preparation of the coming

    他為我準備做任何事情。
  4. Brief description of preparation of operation enstruction for heading face

    淺述掘進工作面作業規程的編制內容
  5. To foreign enterprise to apply for a job, a lot of people have the preparation that deals with queer face examination questions probably, but although many people do face examination questions to be returned very successfully it is unidentified not white ground lost an election

    外資企業非常看重員工自身的職業規劃，假如你的求職目標太多，這個崗位不適合就希望到那個崗位工作的話，這會給面試官留下沒有明確事業目標的印象。
  6. This, and washing his face with the aid of common washing soap until it glowed a shiny red, constituted his only preparation for his evening meal

    換鞋和洗臉是他晚飯前的唯一準備工作。他用普通的洗衣皂洗臉，一直洗到臉發出紅光才罷手。
  7. Summarizing the china post ems development course, in the ems high speed rise period, we neglected to study the china post ems sustainable developmental strategy, when we face the suddenly market competition, we find we lack ample preparation, we have lost many market share

    「不謀萬世者，不足以謀一世;不謀全局者，不足以謀一域」 。目前，吉林郵政速遞正面臨著激烈的市場競爭。
  8. Study on preparation and electrochemical performance of the different crystal face of the zinc saingle crystal

    高度有序多孔陽極氧化鋁模板的制備
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