catalytic efficiency 中文意思是什麼
catalytic efficiency
解釋
催化效率- catalytic : adj. 【化學】催化（的）。adv. -ically
- efficiency : n. 1. 功效。2. 效率；效能；實力，能力。3. 【物理學】性能。
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( 8 ) by studying match between the electronic system and catalytic converter on the base of electronic controlled bypassing air system, conclusions having been gotten as follows : higher conversion efficiency of emission have gotten when a / f fluctuates at definite scope and frequency, by controlling the comparing voltage of 02 sensor, the working scope of catalytic converter can be controlled and the matching that can fulfill the high efficiency of hc, co, nox at same time has been optimized
（ 8 ）進行基於所開發的電控補氣系統上的催化器與電控系統的匹配研究，當控制系統調節空燃比在一定范圍按照一定頻率進行波動時，可以提高催化轉化器的轉化效率；通過控制氧傳感器的比較電壓，可以控制催化轉化器的工作窗口，實現排放污染物中， hc 、 co 、 nox轉化的最優匹配。 -
At last, the impact of the monolith length, cell density, wall thickness and noble metal dosage on the light - off characteristic and conversion efficiency of three - way catalytic converter are analyzed and could provide a guide for the optimization of three - way catalytic converter
本文還對載體長度、孔密度、孔道壁厚和催化劑用量對催化轉化器起燃特性和轉化效率的影響進行了分析，為載體參數的優化設計提供了依據。 -
According to its configuration, the monolith is considered to be a porous media. based on the monolith model and the use of software fluent, the research on the light - off characteristic and conversion efficiency of three - way catalytic converter is processed
在所建催化轉化器模型的基礎上，根據載體具有分佈細小孔道的特點，將其作為多孔介質處理，利用fluent軟體，對冷起動階段三效催化轉化器的起燃特性和轉化效率作了數值模擬。 -
( 9 ) by studying matching between catalytic converter and exhaust gas system, the conclusions having been gotten as follow : " purifying step by step and driving step by step " and " mental substrate and chinaware substrate being used in same engine " being the laying principles in exhaust gas system, which can solve the contradiction between high converting efficiency of exhaust emission and small loss of power, fuel economics, the rapid light - off and laying difficulty of catalyst
（ 9 ）進行了催化轉化器與排氣系統的匹配研究，對于催化劑的布置，提出了「分級凈化，逐級推動」的原則；對于載體形式的選擇，提出了「金屬載體和陶瓷載體復合」使用的原則。這樣可以良好的解訣催化轉化器與發動機匹配時，排氣污染物高凈化率與動力性經濟性損失小之間的矛盾、快速起燃和結構布置困難的矛盾。 -
Relative to euro, euro emission regulations add the test of emission in 40s after cold - start. in order to meet the more strict emission regulations, the key question is how to make the three - way catalytic converter to light - off and increase the conversion efficiency. so it is necessary to do a numerical simulation on light - off characteristic and conversion efficiency of three - way catalytic converter in cold - start stage
歐排放標準相對于歐排放標準增加了冷起動頭40s的有害排放物測試，為滿足更嚴格的排放法規，如何使三效催化轉化器盡快起燃，提高對排氣的轉化效率是關鍵問題，因此對三效催化轉化器在發動機冷起動階段的起燃特性和轉化效率進行數值模擬研究是大勢所趨。 -
Computer fluid dynamics ( cfd ) is adopted to simulate the flow fields of catalytic converter while researching the working process of emission postprocessor. the velocity field and pressure field of exhaust gas are obtained. methods of structural optimization of catalytic converter for improving gas flow and conversion efficiency are proposed
本文在汽車排氣后處理裝置工作過程研究方面，運用計算流體動力學軟體，對催化轉化裝置氣流場開展了模擬，得出了氣體速度場和壓力場的分佈情況，提出了以改善氣體流動和催化轉化效率的催化轉化裝置結構優化的方案。 -
In the forth chapter, the pressure lose and conversion efficiency of catalytic converters with various configurations have been measured on a steady flow rig and analyzed in theory
第四章詳述了在穩流試驗臺上對不同結構催化器壓力損失和轉化效率的測量，並進行了理論分析。 -
At same time, this paper analyzes the importance of well matching of electronic controlling and catalytic converting technology with petrol engine. the main r & d work can be outlined as follows : ( 1 ) working out catalyst for petrol engine which is the compound of rare - earth to noble metal, studying on compounding ingredients and making technics of catalyst, mini - evaluating device having been developed and the catalyst developed having high converting efficiency and long life
同時，分析了電控和催化轉化技術與車用汽油機進行良好匹配的重要性，並圍繞該主題進行了系統深入的研究，具體內容如下： （ 1 ）開發了適合於車用汽油機使用的稀土復合型汽油機排氣催化劑，進行了催化劑配方的研究和制備工藝的研究，進行了催化劑微型評價裝置的研製。 -
At the same time, we test the catalytic activity by electrochemistry circle volt - ampere method, testing dissociation efficiency of methanol using gas chromatography, analyzing and characterization by sem, xrd and laser particle size analysis
用電化學循環伏安法測試催化劑的電催化活性、用氣相色譜（ gc ）法測試甲醇分解效率，並用sem 、 xrd 、激光粒度分析等分析和表徵催化劑的結構形貌、物相組成、粒度分佈。 -
With the characteristics such as high catalytic efficiency, high degree of stereoselectivity and mild reaction condition, enzymatic preparation of chiral compounds have became the horspot of research and application in chemical field
酶法合成手性化合物具有催化效率高、立體選擇性強、條件溫和等優點，已成為目前化工領域研究和應用的熱點。 -
Escherichia coli phytase appa is an alternative enzyme with performance advantages over the conventional a. niger enzyme. the appa phytase displays several favorable characteristics : an acidic ph optimum close to the physiological ph range of the stomach of pigs and chickens, higher affinity to sodium phytate, greater resistance to pepsin than the commercially available a. niger phya, and higher catalytic efficiency for phytate than that of all other known phytases
大腸桿菌來源的appa植酸酶是一種新型的植酸酶，與常規的黑麴黴植酸酶相比具有許多優點，如與豬、雞等畜禽胃的ph環境更加適應，與底物植酸更強的親合性以及對消化道蛋白酶更強的抵抗性。 -
For the four catalytic materials ( cuznal, wc, zro2 - nio, lanio3 ), gas chromatography tests show that the decomposition efficiency of methanol increase with the increasing of methanol concentration in condition of 60
對cuznal 、 wc 、 zro _ 2 - nio 、 lanio _ 3四種材料進行了氣相色譜分解甲醇效率測試，結果表明， 60下隨著甲醇濃度的變大，催化劑對甲醇的分解率變大。 -
It is shown that this design can help to increase catalytic converter efficiency
設計的產品進行了系統的試驗研究，結果表明該設計可以進一步提高催化器的轉化效率。 -
In order to improve its adsorption efficiency and catalytic ability for so2, it is necessary to adjust ac ' s porous structure and change its surface chemical properties
為了提高其對so2的吸附效率及催化性能，往往需要對活性炭的孔隙結構進行調整或改變其表面化學性質。 -
In this paper, an automotive catalytic converter with honeycomb substrate has been studied and it ' s found that catalytic converter efficiency cannot be given full play. to resolve this problem, a kind of design method that a deflector is put in the diffuser to farther improve catalytic converter efficiency is put forward, and the research on this method is carried out
本論文針對目前車用蜂窩載體式催化轉化器進行了轉化效率的研究，指出常規結構催化轉化器存在轉化效率沒有充分發揮的問題，並提出了一種進一步提高其轉化效率的設計方法：在擴張管處加一個彌散器裝置。
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