precusor 中文意思是什麼

precusor 解釋
前體,先驅物
  1. Crystal zirconium phosphate - phosphonate has the stability and regulity of interlayer floor of inorganic a - zirconium phosphate, they still have the designability of the organic group in the interlayer and adjustment of the ratio of organic and inorganic phosphorus acid, they are a kind of potential smart material, we can process molecule design and optimize filtration according to the requirement of goal reaction, we can prepare special ion - exchange, catalyst, catalyst supporters nonlinear optics compound, solid state proton conductivity and the intercalation complex precusor by introducing different active organic group or active center into the choice and stable framework of inorganic a - zirconium phosphate

    有機?無機晶態混合磷酸鋯具有無機磷酸鋯的層板穩定性和規整性，同時具有層間有機基團的可設計性和有機無機磷酸混合配比的可調節性的特點，是一類很有潛力的靈巧材料，並且可以根據目標反應的要求進行分子設計和優化篩選，在無機磷酸鋯優良穩定的骨架上引入不同的活性基團或活性中心，可以制備出性能獨特的離子篩、催化劑、催化劑載體、非線性光學物質、固態質子導體和制備插層復合物的前驅物。
  2. Alumina sols of different content were prepared by using al ( o - sec - bu ) 3 as precusor, water as solvent and nitric acid as peptizer

    以異丁醇鋁為前驅物、水為溶劑、硝酸為膠溶劑制備了不同濃度的氧化鋁溶膠，進而採用提拉法和旋覆法制備了緻密氧化鋁膜。
  3. At the same time, alumina polymeric sols were prepared by using al ( o - sec - bu ) 3 as precusor and sec - buoh as solvent. then compact alumina films were fabricated by electrophoretic deposition

    以異丁醇鋁為前驅物、異丁醇為溶劑制備了氧化鋁聚合溶膠，進而採用電泳沉積工藝制備了緻密氧化鋁膜。
  4. The synthesis of poly ( - hydroxybutyrate - co - - hydroxyvalerate ) by the strain g - iiiy from different precusor was studied. it was found that the strain g - iiiy could accumulate phbv with sucrose as carbon source and propionic acid or valeric acid as precursor. in 2l self - controlled fermentor, the dry cell weight, phbv concentration and phbv content reached 35. 8g ? l - 1, 22. 6g ? l - 1 and 38. 4 % respectively in the case of fermentation for 42 hours and the propionic acid as precursor

    研究了添加不同前體物， g - y菌株生產聚-羥基丁酸和聚-羥基戊酸共聚物（ phbv ）的發酵條件，結果表明，此菌株能以丙酸或戊酸為前體，在蔗糖為碳源的條件下合成phbv共聚物；在2l發酵罐中，以丙酸為前體，發酵16小時開始流加丙酸，根據發酵液ph值變化控制丙酸流加量，發酵42小時，細胞干重、 phbv產量和含量分別達到35 . 8g / l ， 22 . 6g / l ， 63 . 13 。
  5. In this essay, based on the above mentioned study on binderless molding and self - sintering of green cokes, c - sic - b4c carbon / ceramics composites are successfully manufactured as follows : the nanjing green petroleum cokes with 12 % content of volatiles as carbon precusor, added by different contents of sic, b4c ceramic powders, are mixed and ball - milled together ; obtained carbon / ceramics composite powders are then molded and sintered at temperature as high as 1600

    本文在此研究基礎上成功制備出了c - sic - b _ 4c碳陶復合材料：以含揮發份12的南京生焦作為碳源，外加不同含量的sic 、 b _ 4c陶瓷粉末，混合球磨獲得碳陶復合細粉末，模壓成型，然後經1600燒結得到不同陶瓷含量的c - sic - b _ 4c復合材料。
  6. Uniform design was employed to optimize the culture conditions and the component of culture medium including carbon source, nitrogen source, phosphor source, growth factors, inorganic salts and precusor as well

    利用均勻設計原理進行實驗設計，以優化培養基中碳源、氮源、磷源、生長因子、前體物及無機鹽成份的配方以及細菌培養條件。
分享友人
分享到 Line

分享到臉書