fractions 中文意思是什麼

fractions 解釋
分數
  1. The anti - microbial activities of crude ethanol extract from aerial parts of sophora alopecuroides and its petroleum ether, chloroform, n - butanol and water fractions of sophora alopecuroides to pythium aphanidermatum, fusarium oxysporum f. sp. cucumerinum, fusarium oxysporum f. sp. lycopersici, alternaria solani, pseudomonas pachrymans and xanthomonas vesicatoria were tested by mycelial radial growth test and agar - well diffusion

    本實驗採用帶毒平板菌絲生長法和瓊脂打孔藥劑擴散法測定了苦豆子地上部分乙醇粗提物及其石油醚、氯仿、正丁醇和水層的不同極性溶劑萃取物對瓜果腐霉、黃瓜枯萎病菌、番茄枯萎病菌、番茄早疫病菌、黃瓜角斑病菌和番茄瘡痂病菌的抗菌活性。
  2. Manufacturing technique of wax microcrystalline : with crude oil vacuum residua fractions as material, it is made from propane taking off asphaltum, furfural refining, ketone benzene taking off oil, and argil refining

    微晶蠟的生產工藝流程:本產品以天然原油的減壓渣油為原料，經丙烷脫瀝青、糠醛精製、酮苯脫油、白土補充精製及加氫補充精製冷卻后成型而制得該系列產品。
  3. Think of elementary school when you had to reduce fractions to the " lowest common denominator. " that ' s what good writing is all about

    您應該還記得在小學簡化分數時用到的"最小公分母"定律吧。
  4. The term "continuant" arises from a relation between this type of determinant and continued fractions.

    「連行列式」這一名稱來自於這種類型的行列式與連分式的相互關系。
  5. Continued fractions and linear recurring sequence synthesis over galois rings

    環上的連分式與線性遞歸序列綜合
  6. Convergence criteria for vector valued continued fractions based on samelson inverse

    逆的向量值連分式的收斂準則
  7. ( vector valued ) continued fractions are adopted for the first time to process digital images

    本文首次將（向量值）連分式方法用於數字圖像處理領域。
  8. This algorithm avoid using branched continued fractions. finally, its validity and flexibility are demonstrated by some examples

    所得演算法的特點是避免了使用分叉連分式，最後用數值例子說明了這種演算法的有效性和靈活性。
  9. He had seen too much of life, and his mind was too matured, to be wholly content with fractions, cube root, parsing, and analysis ; and there were times when their conversation turned on other themes - the last poetry he had read, the latest poet she had studied

    他見過太多的生活，心靈太成熟，無法滿足於分數立方根語句分析和解釋，有時便轉向了別的話題他最近讀過的詩，她最近研究著的詩人。
  10. Properties and components of narrow fractions of daqing and liaohe decanted oils

    大慶和遼河油漿窄餾分的性質及組成
  11. The destructive distillation of bituminous coal, done in the absence of air in order to obtain coke and other fractions having a greater percentage of carbon than the original material

    碳化作用煙煤的分解蒸餾，在沒有空氣的條件下進行，為得到比最初的原料所含碳的百分比大得多的焦煤以及其它餾分
  12. Erodible soil fractions are usually dislodged from projections and trapped in depression.

    可沖蝕土壤部分經常從凸出物剝蝕並降落於窪地。
  13. Teaching aids : to know the essence of fractions ; to know denominator, numerator, the units of fraction, to know the essence of the whole ; train their espial ability and abstract epitome ability

    教學目標：使學生正確理解分數的意義，理解分母、分子、分數單位、單位「 1 」的意義；培養學生觀察能力和抽象概括能力。
  14. In contact with a hot surface, naphtha petroleum fractions crack to produce ethylene and propylene.

    石腦油餾份與一個熱表面接角，就裂解而得到乙烯和丙烯。
  15. It occurs as an exchangeable base in the clay mineral and organic fractions of soils.

    鈣是以交換性鹽基在粘土礦物及土壤的有機部分出現的。
  16. Fractions of the phosphor are easily lost.

    部分磷光體容易丟失。
  17. The fcc gasoline can be fractionated into three fractions and treated separately

    因此觸媒裂解汽油應分餾成三餾份以便個別處理。
  18. It s a strange way of killing ! not by inches, but by fractions and hairbreadths, to beguile me with the spectre of a hope, through eighteen years

    那是一種奇怪的殺人方法：不是一寸寸的，而是像頭發絲那樣的一絲絲地割，十八年來就用幽靈樣的希望來引誘我！ 」
  19. Besides humic acid and kerogen, four soms consist of a special organic fraction black carbon ( bc ), it accounts for the least 18. 36 % of toc in marine sediment. and different fractions of som have different origin

    四種土壤和沉積物有機質中除了腐殖酸和乾酪根，都含有相當數量的碳黑，最少的海洋沉積物有機質中碳黑含量也達到18 . 36 。
  20. The trace element compositions and sr - nd isotopes suggest that the upper mantle beneath the studied area were subjected to multiple episodes of metasomatism, probably by small melt fractions derived from the asthenospheric mantle

    微量元素和sr - nd同位素特徵表明該區上地幔經歷了多期地幔交代作用，交代介質可能是源自軟流圈的小體積熔體。
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