助催化劑 的英文怎麼說

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。

In this thesis, in order to reducing the amount of the pt catalyst, improving the electrocatalytic activity of the pt catalysts and utilization ratio of pt, the electrochemical codeposition method by cyclic voltammetry ( cv ) was used to prepare a series pt / moox / glassy carbon ( gc ) composite electrodes with high dispersibility. the composite electrode, pt / moox / gc, was characterized to study its composition and its electro chemical behavior by cv. using the xrd and sem techniques, the size and the dispersion degree of the catalyst particles were studied in presence or absence of moox in the catalyst

為了降低主催化劑pt的用量、提高pt的活性和利用率，本論文利用循環伏安法共沉積制備高分散的pt moo _ x催化劑顆粒，利用循環伏安電化學表徵、 xrd和sem技術研究了引入moo _ x后的催化劑即pt moo _ x顆粒的粒子大小、分散狀態；利用icp - aes定量分析pt moo _ x催化劑顆粒的組成含量；並藉助于電化學方法分別評價了pt moo _ x gc電極催化劑的對甲醇的電催化活性和穩定性、氧還原電催化活性。

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。

By combining approaches, it is possible to improve lipase enantioselectivity, and much is learnt about the lipase enantioselective catalytic mechanism

這幾種方法的研究不僅使改善催化劑的對映體選擇性成為可能，還有助於深化酶對對映體選擇催化機理的認識。

Beyond generating customized catalysts, these studies have helped to elucidate the enzyme ' s structure - function relationship and illuminate its enantioselectivity

這些工程不但生產出了指定的催化劑，還有助於闡明酶的結構作用關系，並且有助於說明這些酶的對應異構體選擇性。

Venture capital is generally regarded as the stimulator of scientific improvements and economic development

風險投資是高新科技產業發展的催化劑和助推器，是推動科技進步和經濟發展的一支重要有生力量。

The catalytic activity of ( hmbp ) 2ticl2was lower than - diketonate titanium catalysts. the catalytic activity of dinuclear - diketonate titanium catalysts was comparative to mononuclear ones. however, the dinuclear - diketonate titanium catalyst showed the synergism effect, for example, the lower catalyst concentration and the molar ratio of al to ti, the activity reached the maximum value at 80, the melting temperature of polymer was enhanced

2 -羥基苯酮鈦[ （ hmbp ） _ 2ticl _ 2 ]的催化活性低於-二酮鈦類催化劑；雙核催化劑在催化活性方面與對應單核催化劑相差不多，但在聚合規律上表現出與單核催化劑不同的雙核協同作用，如聚合所需的催化劑濃度、助催化劑甲基鋁氧烷mao量降低，活性在80時出現極值，熔點提高等，而且雙核催化劑是單活性中心催化劑。

Cracking is carried out in huge refinery tanks by certain materials called catalysts, which help break up the large molecules into the smaller ones

裂化是在大的精煉槽中通過叫做催化劑的某種物質來完成的，這種催化劑幫助把大的分子分解成較小的分子。

The properties of cn thin films such as their morphology, component, crystal structure and the bonding structure and the relation between those properties and the gas - phase reaction parameters were discussed, showing that the deposition of p - c3n4 thin film is the compete result of various reaction processes in the dynamics balance conditions ; the process of cn films depo sition is diagnosed in situ through the optical emission spectra technique, the effects of experimental parameters on the concentration of the precursors and the gas - phase reactions in the plasma have been obtained ; the main reaction precursors for film deposition identified ; the relation between the characteristics of cn thin films and the reaction process in the plasma is analyzed. the cn thin films deposition under different substrate temperatures in high pressure pe - pld shows that the si atom of the substrate has participated the cn films growth process, based on this the growth mode of cn thin films on the si substrate is proposed. the further experiment of cn thin films deposition on si substrate scratched by diamond as well as covered with fe catalyzer has been attempted, which indicates that changing the dynamics conditions of the surface reaction can alter the growth characteristic of the cn thin films and can enhance obviously the films growth rate

採用pld技術進行了碳氮化合物薄膜沉積，得到了含氮量為21at的cn薄膜；研究了襯底溫度和反應氣體壓強對薄膜結構特性的影響，給出了cn薄膜中n含量較小、 sp ~ 3鍵合結構成分較少和薄膜中僅含有局域cn晶體的原因；引入脈沖輝光放電等離子體增強pld的氣相反應，給出了提高薄膜晶態sp ~ 3鍵合結構成分和薄膜的含n量可行性途徑；應用pe - cvd技術以ch _ 4 + n _ 2為反應氣體並引入輔助氣體h _ 2 ，得到了含n量為56at的晶態cn薄膜；探討了cn薄膜形貌、成分、晶體結構、價鍵狀態等特性及其與氣體壓強和放電電流的關系，證明了- c _ 3n _ 4薄膜沉積為滿足動力學平衡條件的各種反應過程的競爭結果；採用光學發射譜技術對cn薄膜生長過程進行了實時診斷，得到了實驗參量對等離子體中活性粒子相對濃度和氣相反應過程的影響規律，給出了cn薄膜沉積的主要反應前驅物，揭示了cn薄膜特性和等離子體內反應過程之間的聯系；採用高氣壓pe - pld技術研究了不同襯底溫度條件下cn化合物薄膜的結構特性，揭示了si原子對薄膜生長過程的影響，給出了si基表面碳氮薄膜的生長模式；在金剛石研磨和催化劑fe處理的si襯底上進行cn薄膜沉積，證明了通過控制材料表面動力學條件可以改變碳氮薄膜結構特性，並可顯著提高晶態碳氮材料的生長速率。

Influence of promotors on the catalytical performance of supported - ni catalysts

助劑對負載型鎳催化劑催化性能的影響

A process for preparing m - dichlorobenzene by atmospheric selective transfer reaction of p - dichlorobenzene in the presence of alcl3 and h2o is described. effect of selectivity of the reaction is discussed. the best technological conditions are determined

闡述了常壓下對二氯苯在催化劑無水三氯化鋁及助催化劑水的存在下發生轉位反應，高選擇地制取間二氯苯的工藝過程；討論了影響產物選擇性的有關因素，確定出適宜的工藝條件。

Division i main business of organic solvents and ink paint adhesive plastic chemicals used in rubber industry functional aids / paint / resin / rubber products kinds of raw materials, these solvents include : organic solvents : esters, chunlei, milei, acids, benlei, three carbofuran, pce, acetone, dingmi, ethyl ether, glycol ether acetate esters, glycol ether acetate esters, fertilizer category include : flow ping agent xiaopaoji decentralized agents zengchouji microbicides fangmeiji even dry run of organic and inorganic pigments powder paint size

我司主要經營有機溶劑化工品和油墨塗料粘合劑塑料橡膠行業所用功能助劑/顏料/樹脂/橡膠粉等原材料產品，其中溶劑包括：有機溶劑：酯類，醇類，醚類，酸類，苯類，三氯乙烯，四氯乙烯，丙酮，丁醚，乙醚，乙二醇乙醚醋酸酯，丙二醇甲醚醋酸酯，助劑類包括：流平劑消泡劑分散劑增稠劑殺菌劑防霉劑催干劑及各類有機無機顏料粉和顏料漿液。

Study on synthesis of non - phosphate detergent assistant by using waste catalyst

廢催化劑合成無磷洗滌助劑的工藝研究

This paper outlines the research overview of reaction mechanism of vinyl acetate synthesis from acetic acid and acetylene catalyzed by active carbon - zinc acetate, and reviews the researches on the catalyst supporter, the major metal catalyst, the promoters and the deactivation mechanism at home and abroad

摘要從乙炔法氣相合成醋酸乙烯的反應機理入手，綜述了醋酸鋅活性炭催化劑的載體、活性組分、助劑以及失活機理的國內外研究情況。

Abstract : in this work, atom structure features of rare earth elements have been analyzed. reasons why changeable valence rare earth oxide can strengthen stability of atom valence in oxidized state, ability to conserve oxygen and heat stability for catalysts are discussed from mechanism. auxiliary catalyst functions are understood more deeply on the base theory

文摘:本文從原子結構分析了變價稀土元素原子的結構特點，從機理上分析了變價稀土氧化物對催化劑原子氧化價的穩定性、貯氧能力和熱穩定性等性能增強的根源，從理論上深入認識了稀土氧化物的助催化作用。

In this paper, the recent developments of microwave - assisted combinatorial synthesis are reviewed including solid phase synthesis, application of polymer - supported catalyst to combinatorial synthesis, liquid phase combinatorial synthesis, fluorous phase combinatorial synthesis and combinatorial parallel synthesis

主要就近年來微波輔助組合合成技術的研究進展情況進行介紹，內容包括固相組合合成、基於聚合物支載的催化劑的組合合成、液相組合合成、氟相組合合成以及組合平行合成等。

Moreover, we have continued to commercialize products, which meet the needs of the times, including : catalysts to help the earth ' s environment, pharmaceuticals to support health, and electric materials

此外我們也一直發展迎合當代產品的商業化需求，包括幫助全球環境的催化劑、用於健康和電子材料的醫藥品等

After that, the thesis analyses the combined supply of materials and puts forward the stress on the managemant profit for various materials by using combination purchasing technique to combine the chemical materials purchasing by liaoyang chemical fiber corporation with determination of minor chemicals as low cost and low risk non - strategic materials, additives, agents as high cost, low risk and lever effect materials, tube oil and grease as low cost and high risk and critical materials and catalyst as high cost and strategic materials. finally, the thesis describes the chemical materials purchasing process management scheme for liaoyang chemical fiber corporation and put forward the characteristics of the new process management, the measures to ensure the performance, the analysis on the economic benefits of the new process management, and draws the conclusion

再次，論文用采購組合技術，對遼化化工采購物資進行了組合，得出小化工類物資即為低成本、低風險的策略型物資，添加劑、助劑類物資即為高成本、低風險的杠桿型物資，潤滑油脂類物資即為低成本、高風險的關鍵型物資，催化劑類物資即為高成本、高風險的戰略型物資，論文對組合物資進行了分析，提出了各類物資的流程管理側重點。接下來，論文闡述了遼化公司化工采購物資新流程管理方案，提出了新流程管理的特點、保障措施，並對新流程管理進行了效益分析預測，最後得出了結論。

Abstract : principles of nanometer materials science, basic methods preparing nanometer materials and their application prospects in petrochemical catalysts, assistants and additives, were introduced together with practical examples of initial study and application

文摘:對納米材料科學的基本原理、納米材料制備的一些方法，以及納米材料在石油化工催化劑、助劑和添加劑中的應用前景做了介紹，並列舉了一些處于起始階段的研究和應用實例。

The foundaton sees its role as a catalyst. it develops strategic alliances and partnerships to foster community engagement, community project ownership and community benefit

曼德拉基金會扮演著催化劑的角色，通過建立戰略聯盟和合作夥伴關系來促進社會參與、社會項目歸屬並最終使社會受益。曼德拉基金會不是資助型基金會