碳化催化劑 的英文怎麼說
中文拼音 [tànhuàcuīhuàjì]
碳化催化劑
英文
carbided catalyst-
The net effect of the cno cycle is the same as the p - p chain. but carbon is used as a catalyst
的方式進行,這循環所造成的結果和質子質子鏈沒有分別,都是把四顆氫原子核結合為一顆氦原子核碳的作用猶如催化劑。Presence of vulcan xc - 72 active carbon powder in the pt / moox / gc composite electrode by electrochemical codeposition made peak potential of methanol oxidation a further negative shift of about 50mv and a further promotion of co - tolerant performance for methanol oxidation
催化劑中vulcanxc - 72活性碳粉的引入即共沉積制備的pt moo _ x c gc電極催化劑甲醇氧化峰電位又進一步負移50mv左右,抗co中毒催化性能又進一步提高。This process is endothermic with rapid carbon deposition and deactivation of the catalyst.
此過程是吸熱的,同時很快發生碳積沉並使催化劑活性減低。This phenomenon was closely related to the transportation and extraction rate of carbon atoms in the surface of catalysts at different temperatures
這種現象與不同溫度下碳原子在催化劑表面的遷移和析出速率密切相關,也即與不同溫度下催化劑的活性有關。While if pulse laser ablation is applied, the output of mixed target is obviously more than that of plumbago target. the carbon nanotubes prepared by nano - tungsten catalyzer are very straight without any bent and their diameters are under 10nm. it is worth to pay more attention and need to study further
其中以鎢作為催化劑原料與石墨混合製成固體靶,蒸餾水作為流動相時,得到的納米纖維狀產物直徑不到10nm ,而且形狀筆直,值得關注,目前國內外尚無以鎢作為催化劑成功制備納米一維碳材料的報道,因此該研究具有嶄新而廣闊的研究前景。Carbon monoxide oxidative for filter self - rescuers
過濾式自救器用一氧化碳氧化催化劑The effects of samarium - doping catalyst on the growth of carbon nanotubes
修飾催化劑對碳納米管生長的影響The perovskite - type metal oxides supports and the corresponding supported pd catalyst were prepared by microwave, and characterized by xrd, sem and used in the direct synthesis of diphenyl carbonate ( dpc )
摘要利用微波法制備了鈣鈦礦型復合氧化物載體及把負載鈣鈦礦型催化劑,用xrd和sem對載體及催化劑進行了表徵,並將微波法制備的催化劑用於一步氧化羰基化合成碳酸二苯酯( dpc )實驗。Study on soot combustion on ce zr catalysts
催化劑上碳顆粒物燃燒行為的研究While still not evidenced in our experiment, liquid - phase doping of ammonium molybdate solution has been broadly agreed to be able to significantly increase the yield of swnts. we have developed another doping method, solid - phase doping of metal molybdenum at elevated temperature, and discovered that sol - gel prepared catalyst with such doping can be used to grow multi - wall carbon nanotube bundles in a very large scale
對催化劑進行摻鉬處理表明,它可顯著提高催化劑催化裂解甲烷合成納米碳管的能力:作者在高溫下進行了催化劑摻入金屬鉬的實驗,得到了一種性能優異的催化劑,以此制備的多壁納米碳管的呈束狀分佈,所得的粗產物與催化劑之間的重量比達15倍以上。Xinyu ganfeng lithium co., ltd. is a hi - tech enterprise integrating research, production and trade, specialized in the development and manufacture of lithium, rubidium, cesium series products such as lithium metal for catalysts, lithium metal for batteries, lithium chloride, lithium fluoride, rubidium carbonate, cesium carbonate, etc. fengxin keyuan lithium co., ltd is a subsidiary of ganfeng lithium co., ltd, and keyuan lithium co., ltd, it is located in fengxin county, 60 kilomiles away from nanchang of the capital of jiangxi province
新余市贛鋒鋰業有限公司是集科、工、貿於一體的高科技術企業,專業從事催化劑專用金屬鋰、電池金屬鋰、氯化鋰、氟化鋰、碳酸銣、碳酸銫等鋰、銣、銫系列產品的生產、開發工作。贛鋒鋰業在離江西省省會南昌60公里的奉新縣設有一子公司?奉新科源鋰業有限公司。The results showed that in scco2 cyclotrimerization of terminal acetylenes was carried out smoothly to regioselectively afford the corresponding benzene derivaties using pdbr2 as the catalyst
研究結果表明:二氧化碳介質中使用溴化鈀為催化劑可以順利地催化炔烴發生環三聚反應,區域選擇性生成含苯環芳香族化合物。Carbon nanotubes ( cnt ) are new promising materials of catalyst supports for pemfcs. previous studies reveal that cnts supported catalysts show enhanced catalytic activity towards oxygen reduction reaction ( orr ) and methanol oxidation
碳納米管( cnt )作為載體的電催化劑在氧還原和甲醇氧化等pemfc電極反應方面表現出良好的催化活性。Correspondingly, xrd patterns revealed that carbon shells became graphitic somehow. the effects of organic solvents and catalysts / catalysts precursors on the structure and morphology of products were also investigated in this study. cyclohexane, instead of benzene, was proven to be a suitable solvent, as it would not pyrolyze in the reaction system
對金屬催化劑(或前體)以及有機溶劑與產物形貌關系的研究結果表明,苯作溶劑在反應條件下易裂解並形成積炭,從而阻礙了多孔碳產物的繼續生成,而選用環己烷可以避免類似的裂解反應。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。Abstract : nano tio2 was dip - coated on active air purification sieve of active carbon. the purification effect of this sieve against various polluting gases were investigated. the result showed that purification effects on h2s, nh3, hcho, co, and toluene were notably enhanced throush degradation of pollutants by photocatalysis agent under uv irradiation, which resulted in enhanced purification ability of active carbon
文摘:採用浸塗法在活性炭空氣凈化網上負載納米二氧化鈦,在紫外光的照射下,凈化網對一氧化碳、甲醛、硫化氫等污染物的凈化能力明顯增強,對比實驗表明,在紫外光照射下光催化劑使被吸附的污染物發生降解反應而提高活性炭的凈化能力。Nano tio2 was dip - coated on active air purification sieve of active carbon. the purification effect of this sieve against various polluting gases were investigated. the result showed that purification effects on h2s, nh3, hcho, co, and toluene were notably enhanced throush degradation of pollutants by photocatalysis agent under uv irradiation, which resulted in enhanced purification ability of active carbon
採用浸塗法在活性炭空氣凈化網上負載納米二氧化鈦,在紫外光的照射下,凈化網對一氧化碳、甲醛、硫化氫等污染物的凈化能力明顯增強,對比實驗表明,在紫外光照射下光催化劑使被吸附的污染物發生降解反應而提高活性炭的凈化能力。Ammonia played a critical role in the vertical alignment of cnts, and the possible reason was that in 850 the atomic hydrogen decomposed from ammonia reacted with amorphous carbon to form volatile products to keep the metal surface clean, and mechanical leaning against neighboring tu bes established a morphology of vertical alignment
當基體為單晶硅、催化劑鎳膜厚度為20nm 、氨氣氣氛、生長溫度為850時,得到了定向生長的納米碳管。其原因可能是850時氨氣分解的氫原子和無定形炭生成了易揮發物質,從而保持催化劑的活性使納米碳管依靠相鄰碳管之間的斥力定向生長。Catalysts were prepared by impregnation reduction, thermal reduction, advanced thermal reduction and sol - gel methods from these metals. electrochemistry measurements, xrd, tem were used to test these catalysts. the results showed that these metals have some electrocatalysis activities towards hydrogen oxidation reaction
本文選擇了w 、 mo 、 co等金屬,採用浸漬還原法、熱還原法、改進的熱還原法以及溶膠凝膠法分別制備了這幾種金屬的碳載催化劑,對制備出的非貴金屬催化劑進行了電化學測試、 x -射線衍射( x - raydiffraction , xrd ) 、透射電子顯微鏡( transmissionelectronmicroscopy , tem )等測試,研究結果表明:這些非貴金屬在硫酸體系中對氫氣的氧化反應均有一定的催化活性。The components, structure, carbon deposition etc. of the primary steam reforming catalyst discharged from the fertilizer plant of petrochina daqing petrochemical company after two years run were characterized
摘要對大慶石化分公司化肥廠工業應用2年後卸除的某一段蒸汽轉化催化劑的組分、結構和積碳量進行了分析表徵。分享友人