vacuum infiltration 中文意思是什麼

vacuum infiltration 解釋
真空侵入作用
  • vacuum : n （pl vacuums vac ua ）1 真空；空處，空虛，空白。2 〈美口〉吸塵器（＝ vacuum cleaner）。vi vt 〈...
  • infiltration : n. 1. 滲入；【醫學】浸潤。2. 【軍事】滲透，通過；滲透活動。3. 【化學】滲濾。
  1. The system of vpi equipment mainly includes vacuum chamber, heating unit, worktable with its drive unit, vacuum pumping unit, gas - charge unit and control unit, etc. this equipment would meet the need of al or cu matrix composites prepared by pressureless infiltration or vacuum infiltration in a high vacuum or special atmosphere

    該設備主要出密封罐、加熱系統、升降工作臺、真空系統、充氣系統、控制系統及密封罐水冷系統等組成。可以實現常見金屬基復合材料在較高真空或特定氣氛下的無壓浸滲或真空浸滲制備工藝，並可實現試樣的不同冷卻方式凝固。
  2. The results show that, composite could be fabricated on the complicated surface by means of sodium silicate sand mold combination with vacuum infiltration process. when the substrate was 10 mm, composite layers reached 3 mm to 5 mm in thickness with high strength interface and less casting defect. microstructures of grey cast iron and low chromium cast iron matrix composites with various volume fraction has been analyzed

    結果表明：用水玻璃砂型（芯）加負壓鑄滲的工藝能夠實現復雜表面（曲面）顆粒增強復合材料的制備，澆注方式簡單可靠，基材厚度在10mm時，復合層厚度能達到3 5mm ，且復合層鑄造缺陷少，復合效果好，界面緻密而且結合強度高。
  3. The pressureless infiltration technique means that the spontaneous infiltration of the refined molten al or al - si alloy into the power bed, contains the filler reinforcement particle and k2tip4, occurred at 900 to fabricate sicp / al or sicp / al - si composites, without the aid of any externally applied pressure or vacuum, only by its gravity

    無壓自浸滲法是指在不藉助任何外力作用下，把熔煉好的鋁液，經精煉，調溫后，澆入經過預熱，含有增強體顆粒與助滲劑的混合體粉末中。
  4. Heredity and expression of foreign genes in pin transgenic flowering chinese cabbage obtained by vacuum infiltration

    基因菜薹外源基因的遺傳與表達
  5. 3. arabidopsis plants were transformed with the constructed plant binary expression vector. eighteen independent antibiotic - resistant arabidopsis transformants for dreb1c were obtained by using a vacuum infiltration method

    載體全長為13kb ，有一個煙草花葉病毒35s強啟動子和nos終止序列，利用bamhi和sacl做為酶切位點，構建載體。
  6. This thesis fabricated successfully a wc particle reinforced iron matrix composite using a vacuum infiltration process for severely erosion and application in the slurry pump. the casting process was optimized. the microstructure and wear resistance were researched and analyzed

    本文針對承受嚴重沖蝕磨損的渣漿泵過流件，採用負壓鑄滲工藝成功制備了碳化鎢顆粒增強鐵基表面復合材料，改善和優化了復合工藝、鑄造工藝。
  7. Based on analyzing sintering and infiltration processes, the effect of infiltration temperature on microstructure and properties of the material was studied when the ratio of w - cr, the porosity of green compact and the sintering process of w - cr skeleton were fixed. the differences of microstructure and properties of the composites with different composition were investigated by same sintering and infiltration processes. the composites were prepared in h2, n2, ar and vacuum conditions respectively

    基於對wcr cu復合材料的燒結和熔滲過程的分析，研究了cr - w配比、壓坯緊實率、骨架燒結工藝相同的情況下，不同熔滲溫度對材料的組織形貌和性能的影響；研究了燒結-熔滲工藝相同的情況下，不同配比對材料組織和性能的影響；研究了h _ 2 、 n _ 2 、 ar和真空四種燒結氣氛下材料組織和性能的變化。
  8. It was concluded that using the nopaline type of agrobacterium ( e. g. c58 ), 5min vacuum infiltration, and using the plants with just several blooming flowers would give the best results

    其中以開花初期的植株，利用胭脂堿型農桿菌介導（如c58 ） ，真空滲入5分鐘的處理方法轉化效率最高。
  9. Chinensis were also studied. the developmental status of seedlings, vacuum infiltration time, type of agrobacterium tumefaciens used, all influence the transformation frequency

    結果表明植株生長階段和真空滲入處理時間，所用菌株類型均對轉化率有影響。
  10. Several factors influencing the vacuum infiltration transformation efficiency in brassica campestris l. ssp

    對小白菜真空滲入轉化法的轉化條件進行了初步探索。
  11. They indicated that ecbp21 may have some relative with the response to stress treatments. further more, we constructed the binary vector containing ecbp21 - gfp chimeric gene and got transgenic plants by using the agrobacterium vacuum infiltration method

    4 .初步開展了轉基因研究:為了進一步確定ecbp21在植物生長發育過程中的作用，構建了ecbp21植物表達二元載體，通過真空滲透法轉化了擬南芥並獲得了轉基因植株。
  12. The chimeric gene was introduced into arabidopsis through the method of vacuum infiltration which is widely used in arobidopsis tansformation. transgenic plants were screened by means of kanamycin resistance and further identified by genomic pcr and western blotting, through the phenotype observation of transgenic plants, the speculation that apoplast calmodulin may play a certain role in regulating the development and growth of plants was made

    最後，融合基因被插入二元載體plbj21 ，通過電擊法轉入農桿菌gv3101 ，真空滲入法轉入了擬南芥，轉基因擬南芥通過kan抗性篩選而得到，並進一步進行了基因組pcr鑒定和western雜交的鑒定。
  13. A kind of vacuum pressureless infiltration equipment ( vpi ) was designed and made by selves

    自行設計並研製了一臺真空無壓浸滲設備。
  14. Restriction enzyme digestion analysis and pcr analysis showed that these two plant expression vectors constructed were correct. 49caixin, one cultivar of the brassica campestris l. ssp. chinensis, was transformed by vacuum infiltration method

    通過真空滲入和花序浸漬法，將上述雙抗和單抗基因分別導入白菜不結球類型? ? 49菜心中，獲得了7棵抗性株。
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