標準真空表 的英文怎麼說

中文拼音 [biāozhǔnzhēnkōngbiǎo]
標準真空表 英文
standard vacuum meter
  • : Ⅰ名詞1 [書面語] (樹梢) treetop; the tip of a tree2 (枝節或表面) symptom; outside appearance; ...
  • : Ⅰ名詞1 (標準) standard; guideline; criterion; norm 2 (目標) aim; target Ⅱ動詞1 (依據; 依照)...
  • : Ⅰ形容詞(真實) true; genuine; real Ⅱ副詞1 (的確; 實在) really; truly; indeed 2 (清楚確實) cl...
  • : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
  • : Ⅰ名詞1 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
  • 標準 : (衡量事物的準則; 榜樣; 規范) standard; criterion; benchmark; pip; rule; ètalon (衡器); merits
  • 真空 : [物理學] vacuum; empty space; vacuo
  1. Standard test method for microvacuum sampling and indirect analysis of dust by transmission electron microscopy for asbestos structure number surface loading

    用石棉結構值面負荷用透射電子顯微鏡對塵埃微取樣和間接分析的試驗方法
  2. Standard test methods for apparent porosity, liquid absorption, apparent specific gravity, and bulk density of refractory shapes by vacuum pressure

    壓力法測定成型耐火材料隙率吸水性觀比重和體密度的試驗方法
  3. The sample composition was analyzed by means of tg and x - ray diffraction. the following conclusions can be drawn from the experiments : given conditions, the sample powder that has the same xrd data as the standard fetioa can be gotten when use any method mentioned above ; the key in synthesis is to avoid the oxidation of fe2 +, so the whole process should performed under vacuum or neutral atmosphere, samples used by this study were prepared under nitrogen atmosphere ; the heat - treated time and temperature have some influence on the sample powder, results show that the proper time and temperature is 120 minutes and 1100 respectively

    研究結果明:在合適的反應條件下,用上述三種合成方法都能得到xrd數據與fetio _ 3物相基本吻合的粉體;合成反應需要克服的主要問題是防止體系中fe ~ ( 2 + )的氧化,因此,整個反應必須在或者非氧化性氣體保護下進行,本研究需要的樣品是在高純從保護下合成的;煅燒的時間和溫度對最終的產物也有一定的影響,研究發現:合理的煅燒時間和溫度分別為120分鐘和1100 。
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