arrhenius造句
例句与造句
- The nobel prize in chemistry : svante august arrhenius
诺贝尔化学奖-阿瑞尼斯 - Arrhenius imaging materials - test methods for arrhenius type predictions
成像材料.阿列纽斯 - The relationship is in accord with arrhenius ' equation
气体渗透系数与温度关系符合阿累尼乌斯公式。 - 1903 svante august arrhenius sweden
1903年阿瑞尼斯瑞典 - The arrhenius equation
阿累尼乌斯方程 - It's difficult to find arrhenius in a sentence. 用arrhenius造句挺难的
- Standard test method for arrhenius kinetic constants for thermally unstable materials
热不稳定材料的阿仑尼乌斯动态恒量的标准试验方法 - The variation of the return rate constant k with different absolute temperature t deviates arrhenius empiric equation
反应速率常数随绝对温度的变化基本上符合阿累尼乌斯定理。 - Based on modified arrhenius formula , an integral method and a two - step regression method for storage life prediction of solid propellant are presented
摘要在修正的阿伦尼斯公式基础上，提出固体推进剂贮存寿命的整体预测方法和两步回归预测方法。 - 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代数方程模型、用于剪切层的普朗特混合长度湍流模型和阿累尼乌斯有限速率化学反应燃烧模型。 - 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
对采集的煤焦样进行了热重实验研究，测量了样品的着火温度、最大失重速率及最大失重速率对应温度。 - 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
由于修正的阿伦尼斯公式考虑了温度变化对活化能的影响，所以与将活化能看成常数的阿伦尼斯方法相比，文中方法可以更准确地预测固体推进剂的贮存寿命。 - 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
本文较全面、系统地综述了国内外生物质热解液化制取生物燃油技术研究发展现状及存在的问题，主要研究内容有： ( 1 )实验、测定了20种常见生物质的能量(发热量)和c 、 h 、 n元素含量，根据实验结果分别建立了以h和c为自变量的生物质能量预测经验公式，并通过r _ ( 0 . 05 )检验；为闪速热解液化装置能量转化率计算和生物质能量利用率计算提供了依据和方便； ( 2 )选择了8种生物质试样作了等加热速率( 10 min 、 20 min 、 40 min 、 60 min )和恒温加热的tg和dtg实验，根据实验数据和阿伦尼乌斯公式建立了生物质热解反应动力学微分方程，并采用goast - redfem积分法和p函数对其动力学参数进行了求解，解析出各种生物质的频率因子和活化能参数，进而建立了各种生物质的热解动力学模型，为科学确定反应器的闪速热解工作温度范围及热解反应动力学描述，提供了理论和依据； ( 3 )为研究和确定不同尺度的生物质颗粒中心达到全热解的时间，在体视显微镜下对不同粒度的生物质颗粒的长径比进行了实验观察和测定，得出生物质的长径比( l d )一般在5 . 0 6 . 0之间，平均为5 . 3的结果； ( 4 )采用复杂温度场传热学理论对生物质传热过程及充分热解时间理论进行了研究，解析推导出了不同尺寸生物质颗粒中心温度达到充分热解温度的时间( t ) ，得出了理论推导的充分热解时间与最大产油率的热解时间相一致的结果，为闪速热解反应器固相滞留时间设计和预测提供了理论依据； ( 5 )根据上述实验结果，综合运用工程力学、工程材料、机械设计学原理，推导、建立了转锥式闪速热解反应器物料滞留时间( )与转速(或频率)合理匹配理论； ( 6 )提出了转锥式闪速热解反应器的最小锥角设计、锥壁强度设计、生产能力设计理论和功率计算方法及临界转速理论等。 - 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
本文表征了北京航空材料研究院先进复合材料国防科技重点实验室树脂组新开发出的rtm用中温固化环氧树脂体系3266 (玻璃化转变温度为119 . 88 )其粘度随时间、温度的变化关系，在粘度实验和dsc热分析实验的基础上，对用于rtm工艺的该环氧树脂体系的化学流变特性进行研究，并根据双阿累尼乌斯方程建立树脂体系的流变模型。 - According to the physical model , a mathematical model and computational method were proposed . an axially symmetric transient thermal conduction equation was put forward , which included material pyrolysis , pyrolysis gas flow and chemical reaction in charred layer . chemical reaction was controlled by chemical dynamics , and the reaction rate was computed using arrhenious equation
针对物理模型提出了相应的数学模型和数值计算方法，在材料内部建立了二维轴对称的非稳态导热控制方程，其中加入了材料热解、热解气体流动以及炭化层内的化学反应等因素的影响，化学反应由化学动力学控制，通过arrhenius公式确定其反应速率。