高效催化劑 的英文怎麼說
中文拼音 [gāoxiàocuīhuàjì]
高效催化劑
英文
high efficiency catalyst-
The research status of the world diesel exhaust aftertreatment technology is summarized systemicallyo at the same time, the development status and problems about oxygenation catalysis converter and particulate filter are analyzed on the basis of mentioned informations, we bring up a diesel exhaust cleanse system, that adopts the technique course of catalysis conversion combining particulate collection and regeneration the system collects exhaust particulate by means of efficacious filtering material it can oxidize ho co and macromolecule solvable organic via catalyst and diesel oil additive enhanced temperature will partly oxidize collected particulate and ultimately achieve the aim of exhaust reduction, after processing system frame design and trial matching, it ' s detected that the system can surely cleanse gas exhaust and particulate in addition, gas - ejected combustion - supporting regeneration for diesel particulate filter is also researched, we have rudimentarily designed the software and hardware of the g as - ejected combustion - supporting system having processed a series of trials, we discover the rules of the system credibly working these rules demonstrate the right direction for researching gas - ejected combustion - supporting regeneration technology
本文系統地介紹了國內外柴油機排氣后處理技術的研究現狀，分析了氧化催化轉化器和微粒捕集器的發展現狀及存在的問題，以此為基礎，提出了一種柴油機排氣凈化系統，該系統採用催化轉化與微粒捕集及再生相結合的技術路線，通過過濾材料的有效過濾，將排氣中的微粒進行收集，藉助于催化劑和柴油添加劑使排氣中hc 、 co及高分子可溶性有機物氧化，產生的高溫使得收集到的微粒部分氧化，從而達到降低排放的效果。通過系統結構設計和試驗匹配，實現了對氣體排放物和微粒的凈化。同時，論文中還進行了柴油機微粒捕集器噴氣助燃再生的研究，初步設計了噴氣助燃系統，進行了控制系統軟、硬體的開發，通過正交試驗，摸索出了噴氣助燃系統可靠工作的一般規律，為噴氣助燃再生技術的開發提供了方向。The free - phosphine carbene ruthenium complex [ 1, 3 - bis ( 2, 6 - dimethylphenyl ) - 2 - tetrahydroimidazol [ ( c5h5n ) 2 ( cl ) 2ru = chph ( 8 ) was prepared by the reaction of [ 1, 3 - bis ( 2, 6 - dimethylphenyl ) - 2 - tetrahydroimidazol ] ( pph3 ) ( cl ) 2ru = chph ( 7 ) with pyridine and used as a highly effective catalyst for the cross metathesis of acrylonitrile with allylbenzene
摘要設計了由1 ， 3 -二（ 2 ， 6 -二甲基苯基） 2 -四氫咪唑基苯亞甲基三苯基膦二氯合釕（ 7 ）和吡啶反應生成無膦型金屬釕卡賓化合物1 ， 3 -二（ 2 ， 6 -二甲苯基） 2 -四氫咪唑基苯亞甲基2 -吡啶基二氯合釕（ 8 ） ， 8作為高效催化劑用於丙烯腈和烯丙基苯的交叉交互置換反應。The oxide and reduce potential and the dopant concentration. the experiments of degradation methyl blue a1so showed that the photocatalytic activity could be greatly improved with vzos - loaded tio2, maybe that loading v2o5 would accelerate the electron captured and charge transferring, change the samp1e surface hydrophilic and absorption
納米tio _ 2 - v _ 2o _ 5復合光催化劑對次甲基藍的降解實驗表明，復合v _ 2o _ 5后tio _ 2可以加速電子捕獲和電荷遷移速率，改變了樣品表面吸附親合力，使降解效率相比純tio _ 2有很大提高。Technological inputs and risk input are the impetus and catalytic promoter of the high - technology industry. this article summarizes other countries the high - technology industry input policies and its supporting system, analysis our country ' s scarify in the high - technology industry and its. constraints, evaluate objectively of the real effects on development of our country ' s high - technology industry, and provide basis to establish and perfect the high - technology industry
科技投入和風險投資是高新技術產業發展的助推器和催化劑，本文通過綜述世界各國的高新技術產業投資政策及其支撐體系，分析我國高新技術產業投資政策的不足以及其對我國高新技術產業發展的制約，客觀評價這些政策對發展我國高新技術產業的實際功效，為進一步建立和完善我國高新技術產業投資政策體系提供依據。This paper mainly study on the technics of preparing nano - tio2, seeking for the proper carrier and technics, preparing the immobilized nano - tio2 photocatalytic film, and with the plasm surface treatment, probe the new effective way of improving the photocatalytic activty of nano - tio2
本論文主要研究了納米tio _ 2的制備工藝方法，尋求合適的載體和固定化技術，制備負載型納米tio _ 2薄膜光催化劑，以及利用等離子體對納米tio _ 2薄膜進行表面改性研究，探索提高納米tio _ 2光催化活性的新的有效途徑。By the stational environmental protection administration in mar. reecat decide to devoted to exhaust gas converters of motorcycles and auto. sweden recsab company invested our company. reecat developed rare - earth - precious metal composite catalysts as the core techology, and formed big three seriese products
利凱特公司研製開發出高效稀土-貴金屬復合型催化劑，以此為核心技術，逐步形成三大系列主導產品，為全面進入國內尾氣治理市場奠定了堅實的基礎。A super acylation catalyst, 4 - dimethylamino pyridine ( dmap ), was prepared and used to synthesize cholesteryl ester compounds. four kinds of cholesteryl ester compounds such as cholesteryl p - alkoxyl benzoate, cholesteryl dicarboxylate, cholesteryl lumequeic ester and coattail - like cholesteryl ester were synthesized by acylation method and super acylation catalyst method. chemical structures and liquid crystal behaviors of the synthesized samples have been characterized by using element analysis, ftir, dsc and polarized microscopy with a hot stage
本文合成了高效酰化催化劑4 -二甲基氨基吡啶（ 4 - dimethylaminopyridine ， dmap ） ，採用酰氯化法和高效酰化催化劑法分別合成了對烷氧基苯甲酸膽甾醇酯、對稱脂族二羧酸膽甾醇酯、烯酸膽甾醇酯及燕尾型膽甾醇酯四類膽甾醇酯衍生物，並進行了化學結構和液晶性能的表徵。All those make photocatalytic technique high efficient and economical. so it plays an important part in the developing environmental coating and enhancing the quality of air, and is widely used in the field of environmental protection. on the basis of discussing source and hammess of environment pollutants, the mechanisms, kinetics and factors of effect of photocatalytic treating environment pollutants were studied on the laboratory scale in this thesis
作為光催化劑的二氧化鈦具有無毒、化學性能穩定、氧化能力強、且不昂貴、可以重復使用而消耗很少等優點，使光催化具有潛在的高效性和經濟性，因此在開發環保型塗料、提高空氣質量中發揮了重要作用，在環保領域內獲得了廣泛應用。The development of high - performance electro - catalyst for organic molecule electro - oxidation is believed the key technology for the treatment of organic wastewater and the commercialization of pemfc
開發高效的電催化劑是實現有機廢水降解、質子交換膜燃料電池產業化的關鍵技術。Tar content in the gas was influenced by the gasification conditions, such as the gasification temperature, residence time of feedstock in the gasifier and the type of feedstock, which can help us to investigate the mechanism of tar production in gasification process. catalytic cracking of tar was performed in a downstream secondary fixed - bed cracker with dolomite, limestone and alumina brick as catalysts. by comparison, thermal cracking of tar was also performed with silica carbide
在固定床二級催化裂化反應器上，實驗了白雲石、石灰石、高鋁磚等幾種催化劑作用下的焦油催化裂化過程以及炭化硅作用下的熱裂化過程，並對裂化溫度（ 650 950 ） 、氣相停留時間（ 0 . 5 1s ）和催化劑類型等過程參數對焦油轉化效果和熱解煤氣的影響進行了分析，對各種催化劑材料的性能進行了比較，力爭開發出可適用於工業化生物質氣化系統的焦油催化裂化技術。The reaction mechanism for methanol oxidation at pt / moox / gc composite electrode involved the proton spillover effect from hydrogen molybdenum bronze, and a bifunctional reation mechanism for methanol oxidation by providing a hydrous molybdenum oxide to oxidize the intermediates, coads, for keeping cleaning platinum surface and make it easier for methanol to be oxidized on the clean platinum
通過計時電流圖中的電流衰減情況和cv實驗結果比較可得出， pt moo _ x gc電極催化劑具有一定的抗- co -中毒性能。 pt moo _ x gc的甲醇氧化機理是通過提供水合的氧化物來提高抗co中毒催化性能和質子溢出效應，從而加快甲醇氧化速度的。Multi - component platinum alloys have been proved the best anode material for lowering the anode over - voltage and tolerating co poisoning
迄今為止，採用多組分鉑合金催化材料被認為是降低h _ 2或ch _ 3oh氧化過電位、提高催化劑抗co中毒的最有效手段。In order to find a suitable routine for this synthesis, various different factors were considered such as the category of catalysts, reaction temperature, reaction time, raw material mol ratio
通過實驗考察酶催化劑的種類、反應溫度、反應時間、反應配比等反應條件對水解及季錢化過程的影響，得到一條切實可行且相對高效的合成路線。Appending homogeneous catalysts to an oligomeric or dendritic support can concentrate active sites close to one another and thereby enhance the efficiency of cooperative processes
將均相催化劑加在寡聚或是樹枝狀載體上能夠集中相近的活化位點，從而提高協同過程的效率。Abstract : in this review, we describe the characteristics of biocatalysts, especially their regioselectivity and stereoselectivity. a brief introduction of their application s in different kinds of reactions was also given with the purpose of encouraging their further use in organic synthesis
文摘:本文綜述了生物催化劑的類型及特徵，特別是它與化學催化劑相比具有顯著的特點：高效性和專一性；介紹了生物催化劑在不同有機反應中的應用，旨在鼓勵更多的化學工程者使用生物催化劑，使它們在未來的有機合成領域中發揮越來越大的作用。Abstract : polyphenylacetylenes were synthesized by rn ( nbd ) cl 2 and wcl6 / ph4sn catalyst systems in n2 at room temperature. polymers with high yield and high molecular weight were obtained. their structures were characterized by uv, ir, nmr and gpc, respectively. the fluorescence of the polymer solution with different concentration was investigated using variable excitation wavelength from uv to visible region. the relation between fluorescence and polymer structure was studied. the results showed that the molecular chain structure has great influence on fluorescence of the polymers. the emitting peak wavelength of fluorescence for the polymer of high stereoregularity is independent of solution concentration and excitation wavelength. the emitting peak wavelength of fluorescence for the polymer with disordered molecular chain arrangement varies with changing the solution concentration and excitation wavelength, and different emission sites in molecular chains and low emitting yield are shown. the measurement and analysis of fluorescence spectroscopy of polyphenylacetylenes may provide some useful information to judge the molecular chain arrangement in some conjugated polymers
文摘:使用有機金屬銠、金屬鎢/四苯基錫催化劑體系聚合苯乙炔，分別獲得了高產率和高分子量的聚苯乙炔.使用uv ， ir ， nmr ， gpc等分別對聚合物結構進行了表徵.採用不同波長的激發光對聚合物熒光性能進行研究，詳細分析了聚合物結構與熒光性能之間的關系.研究結果發現，不同聚合物結構對聚合物熒光性能產生很大影響，規整性高的聚合物，將有較高的發光量子效率；聚合物規整性差，將可能導致多個熒光發光結構點，其熒光強度降低.聚合物熒光光譜研究將對某些共軛聚合物結構的規整性分析提供一些有用的信息Investigations on a lean burn engine show that nox can be removed by using hc and co in the exhaust gas as reducing agents. when the catalyst is used, the rate of nox conversion can reach a maximum of 74. 4 % at 400
稀燃發動機臺架實驗結果表明，催化劑抗硫中毒、抗高溫以及抗水蒸氣能力較強；最大nox轉化效率達74 . 4 % ；最大nox轉化率排氣溫度點在400附近。Shcan2000 field - bus control system based on software reuse is discussed and studied in this paper, and farther more a set of control software for l ldpe - cat production. according to shcan2000 system is also presented as an application sample, which is pratically working excellently and efficiently in a chamical plant now
本文討論並研究了基於軟體復用技術的shcan2000現場總線控制系統，以該系統為基礎開發了一套用於高效催化劑生產的can現場總線工控軟體。該軟體功能強大，性能穩定，已用於實際生產，獲得滿意的控制效果。Comparing among the adoption of condensation, supercondensation and high - effective catalyst technologies with the present status in china, this paper presents the conclusion of study the condensation tech is superior to the high - effective catalyst tech in revamping / expansion of gas - phase polyethylene plant, while the super - condensation tech should be further studied and developed before it can be applied in china
摘要本文通過對冷凝、超冷凝及高效催化劑等技術分析比較，結合目前國內實際情況，闡明?在國內氣相法聚乙烯裝置擴能改造中應首選冷凝技術，其次是高效催化劑技術，而超冷凝技術還有待于進一步完善，目前不宜採用。A sample is given to illuminate design procedure, and to enhance shcan2000 system. new control methods are also suggested here. first, a new pid pressure step control method so - called " zero op oversighf ' which is highly accurate and low cost ; second, logical control method for producing procedure ; third, large control network for monitoring and management. all the methods have been tested to be pratically useful, stable and efficient
在設計高效催化劑生產工控軟體的過程中，提出了工業控制過程的新思路、新方法：新型「 op過零監視」 pid分程調節技術、間歇生產過程的邏輯控制方法以及大型工控軟體聯網監控技術，這些技術經過生產實踐檢驗證實方法先進，實用。分享友人