查询词典 kinetic energy

Results of kinetic study of the degradation process of anthocyanins in Myrica rubra juice suggeste that the degradation process is a first order degradation kinetic process. As the increase of temperature and pH value, the half-life degradation of anthocyanins and activation energy for the thermal degradation decrease significantly. Under the same condition, the half-life of concentrate is significantly lower than that of the juice.

花色苷降解动力学数据的分析结果表明：杨梅花色苷热降解属动力学一级反应，随着pH值和温度的升高，杨梅花色苷降解的半衰期(t 1/2)和热降解活化能显著下降，即花色苷的降解速度增大；同一处理条件下，浓缩果汁的 t 1/2明显低于澄清汁。

Integral method with 31 types of kinetic function was proposed to define the most probable kinetic function g; the Ozawa、KAS and iterative procedure methods were employed to calculate the activation energy E.

采用积分法结合31种动力学函数来判断亚胺化反应的函数g，由Ozawa、KAS和迭代法求取活化能Ea值。

The non-isothermal kinetic data were analyzed with the Achar equation, Coats-Redfern equation, Kissinger equation, Flynn-Wall-Ozawa equation and Starink equation.The mechanism function and kinetic parameters of the thermal decomposition in the third step were obtained.The chemical reaction mechanism (F3) controlled the third thermal decomposition process.The apparent activation energy and the pre-exponential factor were 351 kJ·mol-1 and 2.57×10 30s-1 respectively.

采用Achar方程、Coats-Redfern方程、Kissinger方程、Flynn-Wall-Ozawa方程和Starink方程对非等温动力学数据进行了分析，得到了第3步热分解反应的机理函数、动力学参数和热分解反应动力学方程，其热分解反应过程受F3机理控制，表观活化能为351 kJ·mol-1，指前因子为2.57×

Clouds and thunder are the image of difficulty at the beginning, thunder and rain are Chun's kinetic energy.

来说明。云雷是屯的现象；而雷雨是屯的动能。

The results indicated that a dependable kinetic model could be obtained by modifying the Temkin equation by considering the H2 and NH3 adsorption factors. Activation energy for the ammonia synthesis reaction was obtained as 90.2 kJmol^(-1) after linear fitting the kinetic and thermodynamic parameters k, K(subscript H2) and K(subscript NH3) with the Arrhenius and Van't Hoff equation, which was much lower than that over iron-based catalyst, which indicated that the activation energy barrier of N2 dissociative adsorption on Ru was far lower than that on either the conventional magnetite-based catalyst or wustite-based catalyst; the hydrogen adsorption heat was 76.2 kJ mol^(-1), indicating that the adsorption of hydrogen on the Ba-Ru-K/AC catalyst was so strong that it inhibitied the dissociative adsorption of nitrogen.

结果表明，在Temkin方程中加入H2和NH3的吸附项能够获得可靠的动力学模型，用Arrhenius和Van't Hoff方程对动力学和热力学参数k、K(下标 H2)和K(下标 NH3)进行线性拟合，得到氨合成反应的活化能为90.2 kJmol^(-1)，远低于铁基催化剂，说明Ru上N2的解离吸附活化能垒远低于传统磁铁矿基催化剂和维氏体基催化剂。H2的吸附热为76.2 kJmol^(-1)，证明Ba-Ru-K/AC催化剂上H2的吸附较强烈，对N2的吸附有强烈的抑制作用。

Definition of rolled homogeneous armor equivalences for the ability of advanced armor defending kinetic energy projectiles was brought forward.

该文阐述了先进装甲对动能弹防护能力在极限穿透速度和剩余穿深准则下的等效靶定义，结合实例分析了建立等效靶的影响因素，分别分析了基准函数的选取、等效准则、弹丸的材料形状及弹丸速度等因素的影响，阐述了等效靶在实际应用中应注意的问题。

The pressure in a perfect gas, being directly proportional to the kinetic energy of the molecules, has a lower bound of zero.

理想气体的压力与分子的动能成正比，它的下限为零。

In 1883 Edison had discovered the thermionic emission phenomenon, alsois called "the Edison effect", namely nearby the metal surface partialelectrons or the ion enable its non- regular movement because of thehigh temperature to obtain the enough kinetic energy, overcomessuperficial the fetter, is leisurely outside the metal.

1883年爱迪生发现了热电子发射现象，也叫&爱迪生效应&，即金属表面附近的部分电子或离子因高温而使其无规则运动得到足够的动能，克服表面的束缚，逸出金属之外。

The model allows for the kinetic energy of fluid, Joule-Thomson effect, structure of the well, the structure of oil string, different heat transfer medium in annular and the change, with the depth, of the physical properties of the formation.

该模型考虑了流体的动能项、焦耳—汤姆逊效应、井身结构、油管柱结构、不同环空传热介质及地层热物理性质沿井深的变化。

The only decent definition of air temperature is derived from the mean kinetic energy of the molecules: m = 32 kT.

气温唯一确定的定义是从空气中分子的平均动能来得到：m = 32 kT。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。