查询词典 gas-forming reaction

High precision format, unstructured dynamic mesh with a large displacement and multi-species gas flows were computationally expensive, the problem of resourceless and inefficient of single computer appeared. Parallel arithmetic based on PC-Cluster system for the oblique detonation wave flow and the muzzle flow include high speed projectile were discussed. The results proved that the rationality of parallel arithmetic provided a new method to simulate the complex chemical reaction flows. The present code represents a validated, efficient and versatile tool developed for the simulation of hypersonic multi-species chemical non-equilibrium flows.

高精度计算格式、化学反应源项的刚性和大位移的运动边界处理都给计算和存储带来了沉重的负担，单机资源不足和计算时间长的问题凸现，利用PC机和局域网资源建立分布存储式并行计算系统，并基于非结构动网格和分区算法开发了复杂化学反应流场数值模拟的并行计算程序，对高速飞行实验弹丸诱导的斜爆轰波流场和含有大位移动边界的膛口燃气射流场进行了并行模拟，有效地缩短了计算时间，扩展了计算规模，为复杂化学反应流数值模拟研究提供了新的手段。

The calculation results show that the reaction mechanism in solvent is consistent with that in gas phase.

计算结果表明，在溶剂中的反应机理与在气相中的反应机理一致。

Effect of pH on the formation of volatile and semi-volatile substances in the maillard reaction systems of arabinose/cysteine was analyzed and compared by the method of headspace-solid microextraction associated with gas chromatography-mass spectrography.

利用顶空-固相微萃取-气质联用法，分析和比较不同pH条件对阿拉伯糖/半胱氨酸模型体系挥发性风味物质形成的影响。

Based on the conversation equations for hydrodynamics and chemical reaction dynamics, by adopting the k-e turbulent model and the EBU-Arrhenius combustion model, the SIMPLE algorithm was used to investigate numerically the methane-air premixed gas vented explosion process in the two-dimensional space of the spherical vessel with a conduit for explosion venting.

为了得到球形容器内可燃气体的泄爆强度产生机理以及燃烧火焰与压力传播的基本规律，从流体力学和化学反应动力学守恒出发，采用κ-ε湍流模型和EBU-Arrhenius燃烧模型，利用SIMPLE算法对带泄爆导管的球形容器二维空间内甲烷－空气预混气体的泄爆过程内外场进行了数值计算，获得了气体燃烧过程中火焰和压力传播特性以及气体流动特性，能够比较清晰地反映泄爆的整个过程。

In the model, a three-phase submodel was developed to simulate gas-solids flow and reaction in dense bed.

模型中对密相区内的流动和燃烧建立了三相的流动和反应子模型。

The body-fitted grids were generated using a system of elliptical partial differential equations. The k-ε model was employed to describe the turbulent characteristics. EBU-Arrehenius turbulent combustion model was used to determine the chemical reaction rate, while a six-flux model was applied to predict heat radiation and its influence on the wall and gas temperature.

利用椭圆型微分方程和区域法生成三维贴体网格，k-ε模型预估紊流特性，EBU-Arre-henius紊流燃烧模型估算化学反应速率，六通量模型预估辐射通量以考虑其对壁面和气流温度的影响。

The reversible reaction of gas desulfurization by CaO was investigated using a thermal balance and a fixed-bed reactor.

在热天平和固定床装置上研究了CaO脱除H2S过程中可逆反应的变化规律。

The databases included six types of basic data, i.e. chemical reaction kinetics data, crystallization kinetics and solid-liquid equilibrium data, flow and mass transfer data, gas-liquid equilibrium data, thermal property data, reactor structure and operation data.

基础数据库包括六类基础数据：反应动力学数据、结晶动力学与固液相平衡数据、反应器流动与传递数据、气液平衡数据、热物性数据、反应器结构与操作数据。

1St, foreword main point: A, about Earth's internal heat circulation as well as successional variation process three important times: Birth time, lifeless time, until has the life time; B, the earth interior stone fruits archery target thermonuclear reaction, causes the earth interior material convection and the Earth revolve production as well as terrestrial magnetic field production three between relations; C, also has in has the life time, the vital activity to the entire internal heat circulation influence as well as to the earth's atmosphere influence; D, has the life time, in the stratum the coal and the petroleum, the natural gas and so on the fixed energy storage which as a result of energies and so on zoology and botany absorption transformation sunlight forms, to Earth internal heat circulation influence as well as with earth's crust each kind of movement relation, such as: The plate movement, the volcanic earthquake, the orogenesis, the Earth moves the fierce degree the periodic phenomenon and so on.

前言要点： A 、关于地球的内热循环以及演变过程的三个重要时期：诞生时期，无生命时期，直至有生命时期； B 、地球内部核物质的热核反应，引起的地球内部物质对流与地球旋转的产生以及地球磁场的产生三者之间的关系； C 、还有在有生命时期，生命活动对整个内热循环的影响以及对地球大气的影响； D 、有生命时期，地层中煤与石油、天然气等由于动植物吸收转化太阳光等能量而形成的固定能量存储，对地球内热循环的影响以及与地壳各种运动的联系，诸如：板块运动，火山地震，造山运动，地球活动剧烈程度的周期性现象等。

Under super-gravity field condition, mass transfer and reaction rate of gas and liquid was increased.

由于在超重力场作用下，气液两相的传质和反应速率得到极大提高。

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％。