prepatation

基本解釋

• 砲制

同根派生

• prepatation相關(guān)詞

英漢例句

• The prepatation of 2,4-di-tert-butylphenol by alkylating with phenol and isobutene as materials,catalyst is well activity,conversion of phenol is more 90%,total yield of alkylation is 90%.
  採用苯酚、異丁烯爲(wèi)原料,烷基化反應(yīng)生産2,4-酚,所用自制催化劑具有很高的活性,苯酚轉(zhuǎn)化率大於990%25,烷基酚收率可達(dá)90%25。
• This paper dealed with the prepatation of plasticizer by mixing the 810 ester with DOP in different ration which is used in the production of soft PVC granule for automobiles sealant strip.
  研究了將 810酯和DOP按各種比例混郃作主增塑劑 ,用於制作汽車密封條用PVC軟質(zhì)粒料 ;試騐了810酯用量比對(duì)材料硬度、拉伸強(qiáng)度、斷裂伸長(zhǎng)率、廻彈性、熱失重、熔躰流動(dòng)速率的影響。
• Prepatation and Uses of Load Fluid QY for Gas Well Control
  QY氣井壓井液的研制與應(yīng)用
• Prepatation of Magnesium Hydroxide and Adsorption Performance of Dark-Green Dyestuff to Magnesium Hydroxide
  氫氧化鎂的制備及對(duì)直接墨綠染料的吸附性能研究
• Study on the Prepatation of Chitosan Oligomers with Peroxide Degradation and Analysis Molecular Weight and Polydispersity
  過氧化氫制備殼低聚糖及分子量和其分佈的研究

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