沉澱的催化劑 的英文怎麼說
中文拼音 [chéndiàndecuīhuàjì]
沉澱的催化劑
英文
precipitated catalyst-
The catalytic properties of zinc oxide catalysts from zinc oxide, zinc acetate calcined at 600 and zinc carbonate prepared through deposition, in the synthesis of dimethyl carbonate by alcoholysis of urea were studied
摘要研究了在600煅燒氧化鋅、醋酸鋅和沉澱法制得碳酸鋅而得到的氧化鋅催化劑，對尿素醇解制備碳酸二甲酯的催化作用。Low temperature plasma has been extensively investigated for catalyst preparation, including plasma chemical synthesis of ultra - fine particle catalysts, plasma regeneration or plasma treatment of catalysts, plasma - assisted deposition of catalytically active compounds on carriers and combination of plasma and catalyst in reaction system
摘要低溫等離子體技術在化學生產中的用途越來越廣泛，它在催化劑領域的應用主要表現在以下幾個方面：超細顆粒催化劑合成，催化劑再生，催化劑表面處理，活性組分沉澱到基體以及低溫等離子體系統中添加催化劑。In this paper, the preparation and the purification of the carbon nanotubes was investigated. using the co catalysts produced by chemical co - deposition, the carbon nanotubes were synthesized by the catalytic chemical vapor decomposition method
採用催化劑裂解化學氣相沉積的方法，用化學共沉澱法制備的co催化劑，高產率的制備了多壁碳納米管。Compared with the catalyst prepared by precipitation, the catalyst prepared by microwave shows more homogenous distribution in particle and pore size and better catalytic activity with the yield of dpc of about 7 %
與沉澱法相比，微波法制備的催化劑具有比較均勻的尺寸和形狀，活性組分在載體上的分佈較好，催化劑活性較高，碳酸二苯酯的收率接近7 % 。Two series of catalysts were preparated by co - deposition and sol - gel methods each. and each serie of catalysts was analysed by xrd spectrums, and was preparated to be air electrode with the optioned compoundings and manufacturing process. the cathode polarization curves were elementarily studied
實驗還利用共沉澱和溶膠凝膠法合成了兩類催化劑，分析了其xrd譜圖，利用優化過的配方和工藝制備了空氣電極，初步研究了其極化曲線，並對其中最好的催化層進行了sem觀察。Preparation methods for au catalysts, such as deposition - precipitation, sol - gel and polymers - protection methods, were described, as well as their application in hydrodechlorination and hydrodesulfurization
重點論述了沉積沉澱法、溶膠凝膠法和聚合物保護法等催化劑的制備方法以及在加氫脫氯、加氫脫硫等領域中的應用，並對金催化劑的進一步研究提出看法。In the experiments, two series of catalysts were synthesized by co - deposition and sol - gel methods each. the composition of both waterproof and gas diffusion layer and catalysis layer were optimized by the orthogonal test. meanwhile, quasi - steady cathode polarization curves, x - ray diffraction ( xrd ), scanning electronic microscope ( sem ) were used to analyst the relationship between the microstructure and the performance of air electrode
實驗採用共沉澱法和溶膠凝膠法合成了兩類催化劑;對防水透氣層和催化層進行了正交試驗優化;同時，還採用測準穩態極化曲線， x射線衍射（ xrd ） 、掃描電子顯微鏡（ sem ）等分析測試手段，對空氣擴散電極催化材料、空氣擴散電極界面結構與性能的關系等作了較深入的研究。The synthesis process of single - wall carbon nanotubes ( swnts ) by catalytically chemical vapor deposition ( ccvd ) was investigated and the product was characterized with transmission electron microscopy ( tem ), electron diffraction ( ed ), electron dispersive spectra ( eds ) and raman scattering spectra etc. pyrolysis of methane over solid catalysts prepared with impregnation, ion - adsorption precipitation, and sol - gel technique can all lead to the growth of swnts
本文研究了單壁納米碳管的化學氣相沉積法（ cvd ）制備工藝，並運用透射電子顯微鏡（ tem ） 、 x - ray能譜（ eds ）與喇曼（ raman ）光譜等分析手段，對產物及催化劑進行了表徵。採用浸漬法、吸附沉澱法與溶膠凝膠法等制備了催化劑，併合成了單壁納米碳管。Preparation of nickel - based catalysts by coprecipitation and application in edible oils hydrogenation catalyze
共沉澱法制備鎳基催化劑及其在油脂氫化工藝中的應用The vessel was off - hire for one day while repairs were carried out. the master at this time received the laboratory analysis of the bunker samples, which indicated sediment and catalytic contamination were abnormally contaminated
此時船長收到實驗室有關燃油樣品的分析結果，即含有不正常的沉澱物和催化劑污染物。分享友人