arrhenius 中文意思是什麼

The variation of the return rate constant k with different absolute temperature t deviates arrhenius empiric equation

反應速率常數隨絕對溫度的變化基本上符合阿累尼烏斯定理。

The ignition temperatures and the maximum weight loss rates have been registered. according to the experiment results and arrhenius law, hf indicating the comprehensive combustion characteristic has been put forward

對採集的煤焦樣進行了熱重實驗研究，測量了樣品的著火溫度、最大失重速率及最大失重速率對應溫度。

Based on modified arrhenius formula, an integral method and a two - step regression method for storage life prediction of solid propellant are presented

摘要在修正的阿倫尼斯公式基礎上，提出固體推進劑貯存壽命的整體預測方法和兩步回歸預測方法。

Because modified arrhenius formula considers the effect of temperature variation to activation energy, by the proposed methods, propellant storage life can be predicted more accurately, compared with arrhenius method which considers activation energy as a constant

由於修正的阿倫尼斯公式考慮了溫度變化對活化能的影響，所以與將活化能看成常數的阿倫尼斯方法相比，文中方法可以更準確地預測固體推進劑的貯存壽命。

National key laboratory of advanced composites ( lac ) in beijing institute of aeronautics materials ( biam ) has developed a new medium temperature curing epoxy resin system, of which the glass transition temperature is 119. 88, for resin transfer molding ( rtm ). in order to investigate the relation between viscosity and time - temperature, the rheological behavior of the system was studied by dsc and viscosity experiments. a rheological model based on the dual - arrhenius equation was established and used to simulate the rheological behavior of the resin, which was in good agreement with experimental data

本文表徵了北京航空材料研究院先進復合材料國防科技重點實驗室樹脂組新開發出的rtm用中溫固化環氧樹脂體系3266 （玻璃化轉變溫度為119 . 88 ）其粘度隨時間、溫度的變化關系，在粘度實驗和dsc熱分析實驗的基礎上，對用於rtm工藝的該環氧樹脂體系的化學流變特性進行研究，並根據雙阿累尼烏斯方程建立樹脂體系的流變模型。

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化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種常見生物質的能量（發熱量）和c 、 h 、 n元素含量，根據實驗結果分別建立了以h和c為自變量的生物質能量預測經驗公式，並通過r _ （ 0 . 05 ）檢驗；為閃速熱解液化裝置能量轉化率計算和生物質能量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活化能參數，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、生產能力設計理論和功率計算方法及臨界轉速理論等。

The relationship is in accord with arrhenius ' equation

氣體滲透系數與溫度關系符合阿累尼烏斯公式。

The nobel prize in chemistry : svante august arrhenius

諾貝爾化學獎-阿瑞尼斯

1903 svante august arrhenius sweden

1903年阿瑞尼斯瑞典

Standard test method for arrhenius kinetic constants for thermally unstable materials

熱不穩定材料的阿侖尼烏斯動態恆量的標準試驗方法

The algebraic b - l eddy model, prandtl mixing length model as well as arrhenius finite speed rate chemical reaction combustion model is introduced to above cold - state model

引入baldwin - lomax代數方程模型、用於剪切層的普朗特混合長度湍流模型和阿累尼烏斯有限速率化學反應燃燒模型。

Arrhenius imaging materials - test methods for arrhenius type predictions

成像材料.阿列紐斯

The arrhenius equation

阿累尼烏斯方程