脫了氫的 的英文怎麼說
中文拼音 [tuōlēqīngde]
脫了氫的
英文
dehydrogenated-
Abstract : through analysis of the components of coking on different parts of desullfur system of single tower and the waste water containing sulfur, we find the cause of coking in the stripping desulur system from single tower is the polymerization reaction of carbohydrate and the separattion of varied solid powders, organic compounds, and all corrosive productions of metal out of waste water in high temperature, therefore, the solving method is how to decrease the oil content, how to depolymerize form the carbohydrate and how to antisepticize by vapour of waste water
文摘:對單塔脫硫系統中不同部位的垢物及現場催化含硫污水進行了分析測定,結果表明:塔內污垢成分及含量隨塔體部位的不同而不盡相同,單塔汽提脫硫系統中垢物的形成,主要是由於污水中所含各類粉塵、有機物、金屬腐蝕物等在高溫下因石油碳氫化合物的析出及其單體的聚合反應所致.如何降低污水中的含油成分、減少聚合反應的生成、防止污水蒸氣對塔體材料的腐蝕,是阻垢、除垢和防垢應解決的關鍵問題In this study, the stem segments of new shoot with axillary buds of well - growth tetraploid black locust trees were used as explants. the effects of different basic mediums, different hormone kinds and their concentrations ratios, different sucrose concentrations on calli induction, buds differentiation and rooting in the process of establishment of high frequency regeneration system of tetraploid black locust were studied. on the base of high frequency regeneration system, the effects of various factors on transformation efficiency of badh mediated by agrobacterium tumefaciens were discussed in the light of gus histochemical assays
本實驗首先以生長良好的四倍體刺槐優株上當年生新梢的帶腋芽莖段為外植體,研究了在四倍體刺槐高頻再生體系的建立過程中不同基本培養基、不同激素濃度及其配比、不同蔗糖濃度對愈傷組織的誘導、芽的分化及生根的影響;然後在得到高頻再生體系的基礎上,通過農桿菌介導法轉化甜菜堿醛脫氫酶( badh )基因,以gus染色組織分析為依據探討了影響轉化效率的各種因素,建立了高效、可重復的基因轉化體系,為四倍體刺槐目的基因的導入打下了基礎。The natural product ( ) - dihydroactinidiolide was synthesized from citral via following steps : cyclization, cyanation, hydrolysis - cycization and dehydration in 40. 24 % total yield
摘要以檸檬醛為原料,經環化、羥腈化、水解關環和脫水4步反應,以40 . 24 %的總產率合成了( ) -氫獼猴桃內酯。Progress of catalytic decarboxylation of from highly sour crude oil is reviewed, including hydrogenation, thermolysis and chemical reaction, and the application prospect of catalytic decarboxylation is introduced
摘要介紹了高酸原油催化加氫脫酸法、催化熱解脫酸法和催化化學反應脫酸法,展望了該工藝的應用前景。The technologies for producing iminodiacetic acid, e. g. chloroacetic acid - glycine method, chloroacetic acid ammoniation, ammonium triacetate, direct synthesis based on hydrocyanic acid, diethanolamine dehydrogenation and ethanolamine methods are introduced
摘要綜述了亞氨基二乙酸的生產方法,包括氯乙酸甘氨酸法、氨代氯乙酸法、氮川三乙酸法、氫氰酸直接合成法、二乙醇胺脫氫法和單乙醇胺法。The current situation of utilizing isobutane and isobutylene in china were introduced, the reaction mechanism, reaction process and types of catalyst for preparing isobutylene via dehydrogenation of isobutane were narrated emphatically
摘要介紹我國異丁烷和異丁烯資源的利用現狀,重點對異丁烷脫氫制備異丁烯的反應機理、反應流程和催化劑類型進行了論述。We present a preliminary study on the zymograms of esterase ( est ), lactate dehydrogenase ( ldh ), malate dehydrogenase ( mdh ) from four groups of microtus fortis by vertical discontinous polyacrylamide gel electrophoresis method. the number, mobility and dye intensity of the enzyme band were analyzed
採用垂直板不連續聚丙烯酰胺凝膠電泳法對四類東方田鼠的酯酶( est ) 、蘋果酸脫氫酶( mdh )和乳酸脫氫酶( ldh )進行了初步研究。4. engineering dhqase ( arod ) - deficient e. coli mutant with a second copy of the arob gene gene targeting technique was used to disrupt the arod gene in e. coli chromosome. the mutant 31bk was engineered, in which homologous recombination of the arobkanr gene cassette into the arod locus ( arod : : arobkanr ) of the e. coli strain atcc31884 genome utilized the helper plasmid pkd46 with red system. the host cell 31bk lacked catalytic activity of dhqase ( arod ) and had a second copy of the arob gene, so it improved carbon flow into the quinic acid biosynthesis direction
構建宿主菌基因精確定位突變株31bk ( arod : : arobkan ~ r )為了改變代謝途徑脫氫奎尼酸( dhq )分支點上的代謝流量,使之充分流向目的產物奎尼酸合成方向,利用基因打靶技術構建了31884宿主菌arod基因精確定位插入突變體,使dhq脫水酶( dhqase )失活,阻斷了碳代謝流流向芳香氨基酸生成的方向,同時用同源重組的方法將arob基因定位整合入染色體上,解除了限速酶對碳代謝流通過共同途徑到達dhq的阻遏影響,並減輕代謝負擔。The primary theory of absorption and desorption was also explained. the effects of primary process parameters, such as hydrogen pressure, time and temperature on the magnetic properties of ndfeb have been researched. the structure and magnetic properties have been analyzed by means of optical metallographic microscopy, scanning electronic microscopy, x - ray diffraction analysis, infrared oxygen detector and magnetic properties measurement
本文設計了燒結ndfeb的氫爆制粉設備,對設備調試以及使用過程中出現的主要問題進行了簡要的說明,提出了一系列解決方法;闡述了吸氫、脫氫的基本原理;研究了氫氣壓力、通氫時間、氫爆溫度等基本工藝參數對磁性能的影響;利用金相顯微鏡和掃描電子顯微鏡, x射線衍射分析,紅外線測氧分析及綜合磁性測量儀等手段分析了材料的組織結構和磁性能。From the aspects of agricultural economic and environmental ecological effects, were the effects and mechanism of rare - earth micro - fertilizer to improve the growth, development, quality and yield of the crops ; the adjustment of crops growth by influencing the number of microbial population in soil district and the function of the soil dehydrase, alkaline phosphatase, urease and sucrase ; the ecophysiological effects of alleviating the injure of acid rain, ultraviolet radiation, heavy metal on crops were illustrated ; the sureness of bee ' s use in agricultural was provided, according to the rule of the distribution and enrichment of be in crops
摘要從農業經濟效應和環境生態效應二方面,論述了稀土肥料促進作物生長、發育,提高作物產量,改善作物品質的效應與機理;影響土壤區系中微生物種群數量和土壤脫氫酶、堿性磷酸酶、脲酶及蔗糖酶的功能,繼而反饋調節作物生長;緩解酸雨、紫外輻射和重金屬傷害作物的生態生理學效應;並以稀土在作物體內分佈與富集規律為參考,探討了稀土農用的安全性。The 11 - hsd1 expression in the fetal brain also gradually increases with gestational age at late gestation and continues to increase in the hippocampus after birth until the 15th postnatal day, which shows a pattern very similar to th secretion. furthermore, previous data show injection of thyroxine ( t4 ) to normal newborn rats up - regulates gr expression in the hippocampus. these data suggest that the role of th in neural development may be partially ( if not all ) accomplished through regulating gc ' s activity
在海馬結構, 11 - hsd1與gr共存於同一海馬神經元內,主要呈現還原酶的特性,能使無活性的11 -脫氫皮質酮( a )可的松( e )轉化為有活性的皮質酮( b )皮質醇( f ) ,從而提高組織局部的糖皮質激素濃度,這樣, 11 - hsd1的存在就為親和力較低的gr發揮作用提供了前提條件。Then the molybdenum disulfide nanoparticles which size was in the range of 20 - 30 nm were prepared by the desulfuration of molybdenum trisulfide if taking hydrogen as a protection atmosphere at some temperature. the mos2 nanoparticles were then characterized by x - ray diffraction and transmission electron microscope. the mos2 nanoparticles and commercial common mos2 particles ( c. a
將乾燥后的三硫化鉬粉末在氫氣保護氣氛條件下,加熱脫硫得到粒徑在20 30nm之間的納米二硫化鉬顆粒,用x射線衍射儀( xrd )和透射電子顯微鏡( tem )對二硫化鉬納米顆粒進行了表徵。The stations e2 and 1 - 4 were located at the cold water mass area of the central yellow sea, which characterized by low temperature, high salinity and stable theromocline would generate a retention mechanism that promoted the formation of separate, self - supporting stocks of krill. 2 genetic diversity and differentiation of p. latifrons specimens of p. latifrons were collected from the east china sea and the south china sea. the zymogram phenotypes of aspartate aminotransferase ( e. c. 2. 6. 1. 1, aat ), alkaline phosphatase ( e. c. 3. 1. 3. 1, alp ), a - amylase ( a - amy ), r - amylase ( r - amy ), esterase ( est ), lactate dehydrogenase ( ldh ), raalate dehydrogenase ( mdh ), malic enzyme ( me ), and phosphoglweoisomerase ( pgi ) were scored
(二)寬額假磷蝦遺傳多樣性和遺傳分化研究1 .本文對東海外海和南海2個站位寬額假磷蝦群體進行了分析,在檢測的9個酶系統中,共檢測到11個酶位點:天冬氨酸轉氨酶( l個位點, 2個等位基因) ,堿性磷酸酶( 2個位點, a加了和a加2各有2個等位基因) , r澱粉酶( l個位點, 2個等位基因) ,醋酶( 2個位點, es巧和est7各有2個等位基因) ,蘋果酸脫氫酶( l個位點, 3個等位基因) ,蘋果酸酶( l個位點, 2個等位基因) ,乳酸脫氫酶( l個位點, 4個等位基因) ,磷酸葡萄糖轉氨酶( l個位點, 3個等位基因) ; a澱粉酶為單態。This japer introduces characteristic of peroxide bleaching, advantage and disadvantage of sodium silicate used for principal additive in peroxide bleaching process, mechanism of silicate precipitating, practice in control of silicate deposition in dip production
摘要本文介紹了過氧化氫漂白特點,硅酸鈉作為過氧化氫漂白的重要添加劑的優缺點,硅酸鹽沉積機理,脫墨漿生產中防止硅酸鹽垢的生產實踐。This paper has summarized the researches on the application of such mineral materials as activated carbon, zeolite, montmorillonite, sepiolite, medical stone, palygorskite, aluminum oxide, sodium hydrate, alumen and nanomaterials as cigarette tip additives to the removal of harmful components in cigarette smoke in the last decades
摘要總結了近幾十年來包括活性炭、沸石、蒙脫石、海泡石、麥飯石、凹凸棒石、氧化鋁、氫氧化鈉、明礬、納米材料等礦物材料作為卷煙濾嘴添加劑以去除煙氣中有毒有害物質的研究和實驗應用及效果。This paper introduces the aging mechanisms of bio - oil and various methods to improve the stability of bio - oil, including drying, deashing, hot - gas filtration, vapor - phase catalytic pyrolysis, adding solvent and mild hydrogenation, etc
介紹了導致生物油不穩定的機理和各種提高生物油穩定性的方法,如原料乾燥、酸(水)洗脫灰、氣體高溫過濾、氣相催化裂解、添加溶劑和生物油適度加氫等。The hydro - demetallization kinetic model and the expression of catalyst deactivation function were proposed on the base of appropriate hypothesis used in common kinetic research methods and the operation data from maoming ' s residue hydrodesulfurization treatment unit ( s - rht )
摘要依據茂名渣油加氫工業裝置( s - rht )的大量實測數據,通過合理的模型假定,採用常規的動力學模型研究方法,建立了渣油加氫脫金屬動力學模型和催化劑失活函數表達式。Abstract : the operating mode of removing hydrosulfuric and mercaptan from wastegas by high voltage cottrell and material conditions of deodorization by high voltage cottrell were introduced
文摘:介紹了高壓靜電除塵器去除硫化氫、硫醇的運行工況,分析了高壓靜電除塵器能夠脫臭的物質條件,並在理論上對高壓靜電除塵器的脫臭過程提出了見解。As these luminous and massive stars exhaust their hydrogen fuel, they begin to depart from the upper end of the main sequence.
當這些亮而且質量大的恆星耗盡了氫燃料時,它們就開始從主星序上端脫離。6 ), the process that h20 is adsorbed on the electrode surface and the hydroxyl group is formed to oxidize the co may be the rate - determining step ; in the region iil ( logi > l. 6 ), all of the tafel curves show a curvature until the current densities reach the peak value, indicative of a possible limiting current. the effect of rare earth elements on methanol electro - oxidation has not been reported in literatures
在低極化區( logi 1 . 3 ) ,甲醇發生脫氫反應並形成反應中間體,其中co成為未被氧化的毒物,此過程成為速率限制步驟;在更高的極化區( 1 . 3 logi 1 . 6 ) , h _ 2o吸附在電極表面並解離生成[ oh ] ,促進了co的氧化,此為此階段速率控制步驟:在第3個極化區( 10gi 1 . 6 ) , tafel曲線發生彎曲,電流密度也最終達到峰值。分享友人