亚博yb(Analytical Chemistry)

亚博yb是研究和使用用於分離、識別和量化物質的儀器和方法。在實踐中,分離、鑑定或量化是整個分析構成的關健方法,或與其他方法相結合。是分析物質成分、結構的方法,使化學成分得以定性和定量,化學結構得以確定。

優譯堂亚博atus在亚博yb領域具有深厚的專業知識,擁有亚博yb和相關學科,如光譜學、質譜學、結晶學、顯微術、電化學分析等相關學科的學科專業翻譯師、雙語校對以及英語母語學科專家編輯,且已翻譯了大量此領域相關的論文,並協助諸多學術作者成功在國際知名SCI/EI/SSCI期刊上發表高水準論文。

  • 原始文稿
  • 翻譯後的檔案
  • 雙語核對後的檔案
  • 編修後的檔案
  • 完稿

鉑/絲光沸石觸媒的掃描式電子顯微鏡 (SEM) 影像如圖 2 所示,該影像表明此觸媒係為勻相觸媒。觸媒表面積在催化活性中起著關鍵作用。增加表面積可改善反應物的吸附。觸媒的表面積藉由 BET 比表面積分析法測量。鉑/絲光沸石觸媒的表面積為 296.69 m2/g。鉑/絲光沸石觸媒的 X 射線繞射 (XRD) 影像(圖 3)顯示,其最強繞射峰出現於 2θ = 6°–30° 之處;由此,該沸石觸媒的絲光沸石 (MOR) 結構及其良好的結晶性質得以證實。

於各種實驗條件下使用鉑/絲光沸石觸媒對戊烷異構物二元混合物中的純正戊烷和正戊烷進行了加氫異構化。加氫轉化產物包括異構化產物和裂解產物。在下述小節中,將介紹當以純的正戊烷作為反應原料時,反應參數對催化效能的影響,這包括催化活性和異構化選擇性。之後,還將討論二元混合物中正戊烷的異構化反應。

圖 4 呈現了正戊烷的轉化與反應溫度的關係。這些反應均於大氣壓力下,溫度介於 150°C 至 350 °C 之間的氫氣氣氛中進行。由圖中可以看出,該觸媒能夠有效地催化正戊烷的異構化,尤其在 220°C 至 350°C 的溫度範圍內。而在 180°C 以下,鑑於觸媒的低活性和正戊烷的低反應速率,正戊烷的轉化可忽略不計。當將溫度由 180°C 升至 220°C 時,正戊烷的轉化顯著增加;然而,當進一步升高溫度時,轉化反而減慢。這可能是由於溫度升至 180°C—220°C 時,活化的催化位點數量增加所致;而繼續升高溫度後,由於高溫下的熱動力學限制,導致轉化率開始隨溫度升高而下降。換而言之,升高溫度總是能夠加快反應速率。在較低溫度下,由於反應速率低,實際轉化率會遠低於平衡轉化率。相比之下,在較高溫度下,由於反應速率高,使得平衡轉化率更加容易達到。

翻譯: 您學科領域的翻譯師翻譯您的原稿

Figure 2 shows an SEM image of the Pt/mordenite zeolite catalyst. The image indicates the catalyst has a homogeneous morphology. The surface area is key in the catalyst activity. Higher surface area improves the reactant adsorption. The catalysts surface area was measured by BET. The surface area of Pt/mordneite zeolites were 296.69 m2/gm. The XRDs pattern of Pt/mordenite zeolite (Figure 3) exhibits the most intense diffraction at 2θ = 6 - 30o, and it thus confirmed structure of zeolite as the MOR as well as its crystalline nature being good.
The hydroisomerization of pure n-pentane and n-pentane in a binary mixture of pentane isomers was performed by the Pt/mordenite catalyst for wide ranges of experimental conditions. The hydrological conversion products comprise of both isomerization and cracking products. Hence the following subsections discuss reaction parameters effects with the catalytic performance of pure n-pentane as feed are demonstrated by catalytic activity and isomerization selectivity. After this, the isomerization of n-pentane in the bi mixture is discussed.
Figure 4 shows the conversion of npentane as a function of reaction temperature. The tests were performed in an H2 environment at temperatures ranging from 150 - 350 °C at atmosphere pressures. It clearly shows that the catalyst showed a high catalysing activity for the isomerization of npentane, particularly in the temperature ranging in 220-350 ° C. Because of the low activity of the catalyst and the low reactivity of n-pentane, the conversion of n-pentane is negligible from temperatures below 180 °C. By increasing the temperature at 180 to 220 °C, the conversion of n-pentane rose greatly; however, a further increase in temperature slowly rises conversion. This can be caused by an increasing the number of sites which can be activated for the reaction when the temperatures increases in the range from 180 - 220 °C; but, the rate of conversion decreases because of thermodynamic restriction at bigger temperature. In other words, an increasing temperature always means increasing reaction rate. Thus at low temperatures the actual conversion will be far below the equilibrium conversion because of low reaction rate. On the contrary at higher temperatures the equilibrium conversion will be more easy due to a high reaction rate.

雙語核對:雙語核對師依照原文檢查譯文是否正確,並修正錯誤

Figure 2shows anAn SEM image of the Pt/mordenitezeolite catalyst. The image  is shown in Figure 2 and indicatesthat thecatalyst has a homogeneous morphology. The surface area isplays akey rolein the catalystcatalyticactivity. HigherHigh surface areaimproves the reactant adsorption. ofreactants. The catalysts surface area of thecatalyst was measured by BET. surface analysis.1 The surface area of Pt/mordneite2mordenitezeolites were 296.69 m2/gm. The XRDsXRDpattern of Pt/mordenite zeolite (Figure 3) exhibits the most intensediffraction peaks at 2θ = 6 - 30o, and it thusconfirmed 30othe MOR structure ofzeolite asthe MOR as well asand its good crystallinenature beinggood. are thus confirmed.3

The hydroisomerizationof pure n-pentane and n-pentane in a binary mixture of pentane isomers wasperformed by the Pt/mordenite catalyst forunder awide rangesrangeof experimental conditions. The hydrological hydro-4conversionproducts comprise of both isomerization and cracking products. Hence theThefollowing subsections discuss cover how the reactionparameters effects withaffect thecatalytic performance of pure n-pentane as the feed are, which isdemonstrated by catalytic activity and isomerization selectivity.5 After thisThen,the isomerization of n-pentane in the bibinarymixture is discussed in the last part of this section6.

Figure 4 showsthe conversion of npentane as a function of reaction temperature. The testsreactions7were performed in an H2 environment at temperatures ranging from 150- 350 °C at atmosphere pressures. It clearly shows that the catalyst showed ahigh catalysing activity for the isomerization of npentane,particularly in the temperature ranging inrange of 220-350° C. Because of the low activity of the catalyst and the low reactivity ofn-pentane, the conversion of n-pentane is negligible from temperatures below180 °C. By increasing the temperature at 180 to 220 °C, the conversion ofn-pentane roseincreased greatly;however, a further increase in increasingthe temperature slowly risesfurther results in a slow8conversion. This can be caused by an increasing the number of siteswhich can be activated for the reaction when the temperatures increases in therange from 180 - 220 °C; but, the rate of conversion decreases because ofthermodynamic restriction at bigger temperature. In other words, an increasingthe temperaturealways meansincreasingresults in a higher reaction rate.Thus at low temperatures, the actual conversion will be farbelow the equilibrium conversion because of low reaction rate. On the contraryat higher temperatures the equilibrium conversion will be more easy due to a highreaction rate.

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編修:英文母語編修師改善文章整體的流暢度與呈現方式

Figure 2shows anAn SEMA scanning electron microscopy1 image of thePt/mordenite zeolite catalyst. The image  is shown in Figure 2and which indicatesthat thecatalyst has a homogeneous morphology. The surface area plays a key role in the catalyticactivity.  is homogeneousHigher.Highsurface area improves the reactant adsorption, of reactants. thus playing a key role in the catalytic activity2. The catalysts surfacearea ofthe Pt/mordenitezeolite3 catalyst was4 measured by BET.Brunauer–Emmett–Teller surface analysis5. Thesurface area of Pt/mordneitemordenite zeoliteswerewas 296.69 m2/gm6.The XRDX-raypowder diffraction pattern of Pt/mordenite zeolite (Figure 3)exhibits the most intense diffraction peaks at 2θ = 6 - 30o,and it thus confirmed 6°–30o7, thus confirming the MOR structure ofzeolite asthe MOR as well as and its good crystallinenature beinggood. are thus confirmed.8

Thehydroisomerization of pure Pure n-pentane andn-pentane in a binary mixture of pentane isomers was performed byhydroisomerized usingthe Pt/mordenite catalyst forunder a wide rangesrangeof experimental conditions. The hydrological hydro-conversion9 products comprise ofprocessyielded both isomerization and cracking products. Hence theThe In the followingsubsections, discuss cover howthe effects of reaction parameters effects with10affect on thecatalytic performance of pure n-pentane as the feed are which is demonstratedbybased oncatalytic activity and isomerization selectivity. 11After thisThen,the isomerization of n-pentane in the bibinarymixture is discussed in the last part of this section.12

Figure 4 showsthe conversion of npentane n-pentane13 as a function ofreaction temperature. The testsreactions14 wereperformed in an H2 environment at temperatures ranging from 150 °C to 350 °C at atmospherepressures. It clearly shows that theatmospheric pressure. The catalyst showeda high catalysing activity for the isseen to strongly catalyze the isomerization of npentanen-pentane, particularlyin the temperature ranging inrange of 220 °C-350 °C. Because of the low activity of thecatalyst and the low reactivity of n-pentane, the conversion of n-pentane isnegligible from at temperatures below 180 °C. By increasing thetemperature at from180 °C to 220 °C, theconversion of n-pentane roseincreased greatlysignificantly;however, a further increase in increasingthe temperature slowly risesfurther results in a slowconversion.15 This can be caused by anincreasingattributed to an increase inthe number of sites which that can be activated for the reaction when thetemperatures increases in the range from 180 °C- 220 °C; buthowever,the rate ofconversion decreases ratebegins to decrease as the temperature increases because ofthermodynamic restrictions at bigger higher temperatures. In other words, an increasing the temperaturealways means increasingresults in ahigherfaster reaction rate. ThusatAt low temperatures,the low reaction rates cause the actualconversion will to be far below the equilibrium conversion because of low reaction rate. On the contraryIncontrast at higher temperatures theequilibrium conversion will be more easyis easily achieved due to a the highreaction rate.

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完稿:翻譯完成品準時遞交給客戶

A scanning electron microscopy image of the Pt/mordenite zeolite catalyst is shown in Figure 2 which indicates that the catalyst morphology is homogeneous .High surface area improves the reactant adsorption, thus playing a key role in the catalytic activity . The surface area of the Pt/mordenite zeolite catalyst measured by Brunauer–Emmett–Teller surface analysis.was 296.69 m2/g. The X-ray powder diffraction pattern of Pt/mordenite zeolite (Figure 3) exhibits the most intense diffraction peaks at 2θ = 6°–30°, thus confirming the MOR structure of zeolite as well as its good crystalline nature .
Pure n-pentane and n-pentane in a binary mixture of pentane isomers was hydroisomerized using the Pt/mordenite catalyst under a wide range of experimental conditions. The hydro-conversion process yielded both isomerization and cracking products. In the following subsections, the effects of reaction parameters on the catalytic performance of pure n-pentane as the feed are demonstrated based on catalytic activity and isomerization selectivity. Then, the isomerization of n-pentane in the binary mixture is discussed in the last part of this section.
Figure 4 shows the conversion of n-pentane as a function of reaction temperature. The reactions were performed in an H2 environment at temperatures ranging from 150 °C to 350 °C at at atmospheric pressure. The catalyst is seen to strongly catalyze the isomerization of n-pentane, particularly in the temperature range of 220 °C–350 °C. Because of the low activity of the catalyst and the low reactivity of n-pentane, the conversion of n-pentane is negligible at temperatures below 180 °C. By increasing the temperature from 180 °C to 220 °C, the conversion of n-pentane increased significantly; however, increasing the temperature further results in a slow conversion. This can be attributed to an increase in the number of sites that can be activated for the reaction when the temperatures increases in the range from 180 - 220 °C; however, the r conversion rate begins to decrease as the temperature increases because of thermodynamic restrictions at higher temperatures. In other words, increasing the temperature results in a faster reaction rate. At low temperatures, the low reaction rates cause the actual conversion to be far below the equilibrium conversion rate. In contrast at higher temperatures the equilibrium conversion is easily achieved due to the high reaction rate.