The effect of mineral matter on the nh_3 formation during coal pyrolysis and gasification

In actual process, compared with the conventional PID control, the control of pyrolysis temperature is better with Fuzzy-PID hybrid control, while pyrolysis temperature is an important indicator of acetylene yield, then the purpose of improving the yield of acetylene is achieved.

在实际运行中，与常规PID控制相比，模糊-PID复合控制对裂解气温度的控制效果更好，而裂解气温度是乙炔产率的一个重要指标，也就达到了提高乙炔产率的目的。

Thermo-Photocatalytic Degradation of Gas-Phase Benzene over Pt-TiO_2/ CeO_2-MnO_2 Composite Catalyst

Pt-TiO2/CeO2-MnO2复合催化剂光热降解气相苯

Oxygen containing polymers come from the aldol condensation of ketone and/ or aldehyde, which are produced from the secondary reaction of steam cracking.

含氧聚合物主要来自于醛酮的Aldol缩合聚合反应，而裂解气中的醛酮来自于蒸汽裂解制乙烯过程中的二级反应。

Results show that major pyrolysis gases were CO, H2 and CO2.

试验结果表明稻壳热解气的主要成分是CO、H2以及CO2。

The author presents briefly the definition of parameters in OMC process, by comparing with the improved A.

简要叙述了湿法脱硫OMC工艺在重油裂解气过程中的工艺参数的确定，同时比较了相对于改良A。

SIMPLE algorithm with the 3-D non-staggered grid system was employed to solve the governing equations. The liquid phase equations were solved with the particle trajectory model and the PSIC algorithm.

在非交错网格下求解气相采用SIMPLE算法，液相采用颗粒轨道模型和PSIC算法。

The major process parameters of demethanizer in the recovery section of FCC unit are optimized and analysed by using the chemical simulator process.

对催化裂解装置裂解气分离回收单元的中冷油吸收脱甲烷塔的主要工艺参数应用大型化工软件PROCESS进行了优化和全面分析。

Purification of hydrogen and carbon dioxide from methanol decomposition gas by PSA

从甲醇裂解气中由PSA法提取纯H2与CO2

To solve the equations of gas phase, SIMPLE method is used.

在求解气相场微分方程时用SIMPLE方法。

Based on the SALE frame, the early code of ALE, compiled has been suitable for the Solid Rocket Motor combustion chamber flow field analysis computational procedure, the solution gas phase flows.

借助于ALE方法的早期程序SALE的基本框架，编写了适用于固体火箭发动机燃烧室流场分析的计算程序，求解气相流动。

The gas yield increased with the increase of temperature. The low heating value ( LHV) of pyrolysis gas would decrease because of the decomposition of CH4 and C2H4 at high temperatures.

升高热解温度有利于提高热解气的产量，但是高温会使CH4和C2H4裂解，从而造成热解气热值下降。

Since the boiling points of pyrolysis gas components are different, SRK is selected for thermodynamic calculations.

根据裂解气组分沸点相差很大的特点，本文选用SRK作为热力学计算方法进行模拟。

In order to understand the effects of modified atmosphere packaging ( MAP) on intrinsic quality of Pinggu mushrooms during shelf-life extention and fresh-keeping, the characterizes and texture change of PPO in Pinggu mushroom after treatment with MAP was studied in this paper.

为了解气调包装（MAP）对平菇贮藏内在品质的影响，研究了经MAP处理后平菇多酚氧化酶（PPO）特性以及质构的变化。

C-isotopes in CH_4 is fairly light with a δ~ ( 13) C_1 of-52.01%, such gas lies within the range of a mixture of biogenic gas and pyrolytic gas.

天然气中甲烷碳同位素组成较轻，δ~（13）C1值为-52.03‰，分布在生物气与热解气的混合区内。

PRESENT STATUS AND FUTURE DEVELOPMENT OF CFD IN TURBOMACHINERY Years followed, current research has turned toward the application of Computational Fluid Dynamics ( CFD) models to the solution of these aeroelastic problems.

叶轮机计算流体动力学技术现状与发展趋势近些年来，人们开始应用计算流体动力学（CFD）来求解气动弹性问题。

As to the pyrolysis of lignin, nickel-based catalysts and calcined dolomite exhibit different effect on the content change of CO and CO2.

白云石和镍基催化剂对木质素热解气中H2，CH4和C2组分的影响作用相同，对CO和CO2的影响作用相反。

The TVD and MacCormack schemes are employed to deal with gas and particle equation respectively.

用TVD格式和MacCormack格式分别求解气相方程和颗粒相方程。

The process of cooling system in ethylene unit was introduced, the primary fractionation system in the ethylene unit was simulated by using Pro/ ⅱ software, and the components of pyrolytic gas were obtained by the backing-out method.

介绍了乙烯装置急冷系统的工艺流程，运用PRO／Ⅱ软件对乙烯装置初分馏系统进行了模拟，其裂解气成分采用反推法获取。

Study on earthquake-reflecting features of ratio of ch_4 and AR dissolved in groundwater

地下水溶解气CH4/Ar比值的映震特征的研究

Effect of Inherent Mineral and Iron Addition on Gaseous Product during Coal Pyrolysis

煤中固有矿物质及Fe添加剂对西部煤热解气相产物生成的影响