活化能量 的英文怎麼說

中文拼音 [huóhuànéngliáng]
活化能量 英文
activation energy
  • : Ⅰ動詞1 (生存; 有生命) live 2 [書面語](救活) save (the life of a person):活人無算 (of a goo...
  • : 能名詞(姓氏) a surname
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • 活化 : [化學] activation radioactivation; activate活化處理 activating treatment; 活化分析 [核物理] activ...
  • 能量 : 1 [物理學] energy; amount of energy 2 (能力) capabilities; capacity; 能量不滅 conservation of e...
  1. The main study in this paper included as follows : the content and distribution of heavy metals in sediments and benthic organisms from the sewage stream in guangzhou city ; the acute toxicity and joint toxicity of mercury and selenium to swordtail fish ( xiphophorus helleri ) ; the damage of mercury to the indexes of antioxidant system in the gills and livers in swordtail ( including the measurement of the activities of total antioxidative capacity [ t ~ aoc ], superoxide dismutase [ sod ], glutathione peroxidase [ gsh - px ] and the concentration of malondiald - ehyde [ mda ] ) and the relief effects of selenium on it, as well as the physiological damage of mercury on the tissues, namely : the antagonistic effect of na + - k + ~ atpase activity on the tissues between selenite and mercury, and the ultrastructural damage under the exposure of mercury

    研究內容主要有:廣州市河涌沉積物及底棲生物體內重金屬含及評價;汞和硒對劍尾魚的急性毒性和聯合毒性及安全濃度的評價;汞對劍尾魚鰓和肝臟中抗氧系統的毒性,包括對總抗氧力、超氧物歧酶、谷胱甘肽過氧物酶力及丙二醛含的測定及硒對其保護作用;汞對劍尾魚組織生理毒性即:汞對na ~ + - k ~ + atpase力的影響及硒的保護作用和汞和對劍尾魚組織超微結構的損傷等。以高氯酸?硝酸消法和火焰原子吸收分光光度法測定了廣州市河涌沉積物和底棲生物中重金屬含
  2. After thymus transplantation, the embryo ' s thymus has trunk cell that comes from the embryo ' s yolk bag, embryo liver and marrow, it excretes a great deal of thymus hormone which change lymphocyte into mature t lymphocyte through multiplication and differentiation, then it help to turn b cell into serous cell, the quantity of the serous cell increases, the antibody that it produces also increases, that is the content of iga, igm and igg is increased

    而移制胎兒胸腺后,由於胎兒胸腺內有來自胎兒卵黃囊、胚肝和骨髓的幹細胞,並分泌大胸腺素,促進淋巴細胞在該處增殖、分為成熟t淋巴細胞,繼而輔助b細胞成為漿細胞,漿細胞數增加,產生的抗體增加,即igg , igm , iga含增加。
  3. The low solubility of calcium zincate produced from the chemical reaction of zinc oxide and calcium hydroxide in alkaline solution can improve the cycling life the zinc electrode, and the discharge capacity will tend to be stable. furthermore, the effects of la2o3 additives on the electrochemical performances of zinc electrodes were investigated. the results shows that the addition of la2o3, in zinc electrode can improve the area of reduction peak and the hydrogen evolution potential which means the cathodic hydrogen evolution reaction can be hindered

    鋅與氫氧鈣在堿性溶液中學反應生成的難溶於堿的鋅酸鈣可以使鋅電極的循環壽命得到提高,放電容也趨于平穩,此外還考察了氧鑭對鋅酸鈣電極電學性的影響,結果表明:添加適明顯改善鋅電極的電學性,使鋅電極的還原峰電位正移,電極反應可逆性得到改善,同時也可抑制鋅電極析氫反應的發生,提高了鋅電極的陽極電流,對陽極反應有一定的作用;同時還可以改善鋅電極的放電特性,增加電極的放電容
  4. The result shows that blended cement mixed with activatory coal gangue powder has high compressive strength, however, with the increase of the admixture of coal gangue powder, flowability of blended cement paste become worse, and the setting time is not obviously affected

    結果表明,摻入經處理的煤矸石粉配製的混合水泥具有較好的強度性;隨摻增加,水泥漿體的流變性變差,但對凝結時間並無明顯影響。
  5. The activatory coal gangue powder ( acgp ), ground cement clinker and natural gypsum are mixed by different ratios to prepare blended cement specimens, and its mortar compressive strength performance, water usage for standard consistency, and flowability of mortar are investigated

    摘要將經燃燒等過程進行處理的煤矸石細粉與磨至一定比表面積的水泥熟料及天然生石膏混合均勻,製成了謀矸石粉摻比例不同的多組混合水泥,並對其膠砂強度性、標準稠度用水、膠砂流動度進行了實驗檢測。
  6. The measurement of oxygen desorption activation energy by thermogravimetry ( tg ) and differential thermogravimetry ( dtg ) curves with different heating rates shows clear evidences that the behavior of tg, dtg, and desorption activation energy have some relations with the oxygen stoichiometry of the specimeri when temperature changes from 500c to 800c

    採用多升溫速率熱重法得到的tg 、 dtg數據計算yba _ 2cu _ 3o _ ( 7 - x )的氧脫附。實驗表明,當溫度在500 - 800范圍變時, tg 、 dtg的變行為及脫附明顯的和樣品的氧含有關。
  7. The results show that the dynamic elastic modulus, loss modulus and complex viscosity of the nanocomposite are higher than those of pp, while the loss factor is lower, that the complex viscosity of the nanocomposites is more sensitive to temperature, and that the flow activation energy and the crystallization temperature increase respectively by 15 % and 10k as compared with pp, which may contribute to the enhanced interfacial interaction between pp and ommt resulting from the addition of tmpp

    結果表明:與純聚丙烯相比,納米復合材料具有較高的動態彈性模、損耗模和復合粘度,力學損耗因子則降低,納米復合材料的復合粘度對溫度的敏感性略高於聚丙烯;界面改性劑的加入增強了有機蒙脫土與聚丙烯的界面作用,與聚丙烯相比,納米復合材料的流動提高約15 % ,結晶峰溫度提高10k左右。
  8. The association chain implied is general reactivity, delocalization, heat of reaction, activation energy, velocity constant.

    和該有牽連的因素是一般性,離域作用,反應熱,,速度常數。
  9. This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory

    本文較全面、系統地綜述了國內外生物質熱解液制取生物燃油技術研究發展現狀及存在的問題,主要研究內容有: ( 1 )實驗、測定了20種常見生物質的(發熱)和c 、 h 、 n元素含,根據實驗結果分別建立了以h和c為自變的生物質預測經驗公式,並通過r _ ( 0 . 05 )檢驗;為閃速熱解液裝置率計算和生物質利用率計算提供了依據和方便; ( 2 )選擇了8種生物質試樣作了等加熱速率( 10 min 、 20 min 、 40 min 、 60 min )和恆溫加熱的tg和dtg實驗,根據實驗數據和阿倫尼烏斯公式建立了生物質熱解反應動力學微分方程,並採用goast - redfem積分法和p函數對其動力學參數進行了求解,解析出各種生物質的頻率因子和參數,進而建立了各種生物質的熱解動力學模型,為科學確定反應器的閃速熱解工作溫度范圍及熱解反應動力學描述,提供了理論和依據; ( 3 )為研究和確定不同尺度的生物質顆粒中心達到全熱解的時間,在體視顯微鏡下對不同粒度的生物質顆粒的長徑比進行了實驗觀察和測定,得出生物質的長徑比( l d )一般在5 . 0 6 . 0之間,平均為5 . 3的結果; ( 4 )採用復雜溫度場傳熱學理論對生物質傳熱過程及充分熱解時間理論進行了研究,解析推導出了不同尺寸生物質顆粒中心溫度達到充分熱解溫度的時間( t ) ,得出了理論推導的充分熱解時間與最大產油率的熱解時間相一致的結果,為閃速熱解反應器固相滯留時間設計和預測提供了理論依據; ( 5 )根據上述實驗結果,綜合運用工程力學、工程材料、機械設計學原理,推導、建立了轉錐式閃速熱解反應器物料滯留時間( )與轉速(或頻率)合理匹配理論; ( 6 )提出了轉錐式閃速熱解反應器的最小錐角設計、錐壁強度設計、生產力設計理論和功率計算方法及臨界轉速理論等。
  10. The presence of nanometer montmorillonite in the composite makes the crystallization temperature and crystallization velocity rise. activation energy of crystallization increases firstly, and then drops with augment of montmorillonite content

    發現蒙脫上納米片層的存在使尼龍66結晶溫度和結晶速率提高,結晶隨蒙脫土含的增加先增大,后減小。
  11. As the content of vermiculite minerals increased, the content of the " intercalated " shape, in which crystal gallery breadth was about of 40nm, also increased. in the curing reaction processing of polybenzoxazine / vermiculite hybrid nanocomposites intercalated with bisphenol a type precursor. according to the content of vermiculite minerals, while different shape of crystal was forming, these crystals were retarding the heat ring - opening polymerization of bisphenol a type precursors in the nanocomposites

    通過對雙酚a型ben蛭石納米插層物固過程的分析:不同蛭石含的插層物,在形成不同納米分散狀態固結構的過程中,蛭石晶片對雙酚a型ben的熱開環聚合有明顯不同的阻礙作用,蛭石含為3的插層物160的凝膠時間較純樹脂的延長約7min ,高約8kj mol ,固反應熱晗低約14j g ,使得固物的固程度較純樹脂低約10 ,阻礙作用最大,其它含的次之。
  12. Living cells have extremely efficient and near-miraculous devices for transforming energy.

    細胞中有非常有效的,近乎奇跡的轉的元件。
  13. It was found that the composite film containing 28. 6 % polyisoprene suited well for biosensor construction. the apparent michaelis constanst and activation energy for the immobilized glucose oxidase are 11. 9 mm and 41. 1 kj - mol " 1, respectively. the biosensor response was influenced by ph value of determined solution, applied potential and operational temperature

    研究發現,復合膜中聚異戊二烯含28 . 6為傳感器製作的最佳條件;固定葡萄糖氧酶的表觀米氏常數為11 . 9mm ,酶催反應的表觀為41 . 1kj ? mol ~ ( - 1 ) ;被測溶液的ph值、工作電位、使用溫度等對葡萄糖傳感器的響應有一定的影響。
  14. The results show that nano - particles affect the solution viscosity and crystalline properties of uhmwpe. owing to the strong interaction between nano - particles and pe molecules, the viscosity and e _ ( ) of uhmwpe solution increase with the increasing of nano - particles content

    實驗表明,納米粒子的加入對溶液粘度和uhmwpe的結晶性均有影響,由於納米粒子和pe大分子及溶劑間有強烈的相互作用,使溶液粘度及粘流均隨納米粒子的加入的增加而增加。
  15. Abstract : according to the decomposition failure mechanism of the boundary reaction film and the dynamics theory of the chemical reaction, the failure process of the boundary film is quantitatively described, and then the decomposition rate of reaction film is put forward, hereby the quantitative criteria - temperature, speed and activation energy criterion, for selecting the additives are determined

    文摘:根據邊界反應膜分解失效機理和學反應動力學理論,對邊界膜的失效過程作了定數學描述,提出了反映膜分解率的概念,據此確定了添加劑的溫度、速度和等三個定選用準則
  16. Combining quantum chemistry calculation with experimental evaluation, the activation energies of possible interfacial reaction were calculated. it is shown that the first step in which the atomic ti, c and si were decomposed from ti matrices and fiber, respectively, is a rate - controlling step because the activation energy of the step is larger than second one

    學計算與經驗估算相結合,求出了可發生的界面反應的,表明第一步驟的遠大於第二步驟的,因而第一步驟是反應的動力學控制因素,在這一步驟中,原子態的ti 、 si 、 c分別從基體鈦合金和纖維中分解出來。
  17. With the carbon content of dry ash - free basis increasing, the ignition activation energy increase and the reaction rate fall

    乾燥無灰基固定碳含增加,其著火逐漸升高,反應速率逐漸降低。
  18. With the introduction of the dopants, the effective mass of carriers was changed and the seebeck coefficient was increased. at the mean time, the dopants reduced the forbidden energy gap, which changed the carrier concentration and thus increased electrical conductivity. by calculating the forbidden energy gap and electrical conductivity of mg2si specimen doped with different amount sb, the mechanism of transference changed abruptly at 625k

    在mg _ 2si熱電材料基體中摻雜te 、 sb元素后,在結構中引入了缺陷,增大了體武漢理工大學博士學位論文系中載流子有效質,提高了seebeck系數;降低了體系導電,提高了電導率,同時也降低了熱導率。
  19. In summary, fir ( far infrared ) has three main characteristics which namely are radiation, permeation and resonance absorption to form the energy of activation to benefit the health of human body

    整體來說,遠紅外線具有三個主要特性,亦即放射,滲透力以及共i鳴吸收,以致形成,有益身體健康。
  20. The oxygen desorption activation energy of ybaacuso7 - x was obtained by different heating rates and the relationship between resistivity of yba2cu3o7 - x and oxygen pressure was measured

    用多個升溫速率方法得到了ybco的氧脫附。實驗測了ybco的電阻率隨氧分壓的變關系。
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