查询词典 carbonization process

A STUDY ON THE REACTION PROCESS AND MECHANISM OF PYROLYSIS AND CARBONIZATION OF COAL

煤的热解、碳化度应历程及其机理的研究

During the process of electrical breakdown, the carbonization degree is very large and drastic chemical reaction takes place.

电击穿过程中，炭化的程度非常大，介质发生了剧烈的化学反应。

The polymer which has high thermal stability will become carbon matrix by high temperature carbonization, and the polymer with low thermal stability will decompound and gasify in the process of heat treatment, and the pore structure is l

综述了聚合物共混炭化法制备多孔炭材料的原理、方法、研究现状及最新进展，并指出共混聚合物分相相畴的控制和炭化过程中孔结构的控制是该法所存在的主要问题。

To study the sweetening process of diasporic bauxite,Al3 obtained from the direct carbonization of unrefined sintering solution was used as the additive and its performance was compared with that of the conventionally used gibbsite .

分别以烧结法粗液直接进行深度碳分所得到粗氢氧化铝和工业上常用的三水铝石矿作为添加剂，进行了一水硬铝石矿增溶溶出过程的对比研究，主要考察了增溶温度、添加剂添加量和增溶时间等因素对溶出效果的影响，同时对增溶溶出矿浆与常规拜耳法溶出矿浆的沉降性能进行了对比研究。

Producted RF and CRF aerogels by process of sol-gel technics, dynamic-exchange, CO2 supercritical drying, and procedural increase in temperature carbonization methods, which have eximious capability and nanometer network structure; Systemic analysis various factors which effect gel course, such as ratio of reactants and the dosage of catalyst, and probed into the better experiments conditions(the concentration of resorcinol and formaldehyde is more than 2% and the value of R/C is between 50 and 300); During gel course , primary investigated the viscosity curve and particle size distribution of sol-solution, and analyzed the reason of catalyst dosage effects particle size of gel, and confirmed that the up-growth of gel follows the theory of " polymerize increase ".The experiment results indicated that ultrasonic with unvarying temperature disposal shortened gel time and optimized quality of gels, and the factors of ultrasonic effect gel reaction velocity were analyzed; Prepared organic aerogels using compounds of resorcin and hydroquinone substitute resorcinol reacts with formaldehyde the first time, and also optimized the proportion of resorcinol and hydroquinone (the proportion of hydroquinone in 10%～40%).

采用溶胶-凝胶工艺结合动态溶剂交换、CO2超临界流体干燥与程序升温碳化方法制备出性能优良、具有纳米网络结构的RF与CRF气凝胶；深入研究了反应物配比催化剂用量等条件对凝胶过程的影响，得到了较佳的RF凝胶制备条件(RF浓度应大于2%，R/C值取50～300)；初步研究了凝胶过程中的粘度、粒径变化情况，分析了催化剂用量影响凝胶中粒子尺度的原因，在实验上印证了凝胶生长遵循"聚增长"的理论；通过引入超声波改进了RF气凝胶的制备工艺，缩短了凝胶反应时间，提高了凝胶品质，并探讨了超声波促进RF凝胶反应作用的原因；首次用对苯二酚与间苯二酚复配制备了混合有机气凝胶，优化出复配比(对苯二酚含量为10%～40%)。2。

A special process named " silicification followed by carbonization" was adopted to solve the problems such as SiC grains forming on the SiO_.

通过"先硅化再碳化"的工艺方法可以较好地解决S iO2/S i复合衬底上S iC成核困难以及粘附性差的问题，同时还可以有效抑制S iO2中的O原子向S iC生长膜扩散。

A special process named "silicification followed by carbonization" was adopted to solve the problems such as SiC grains forming on the SiO2 and poor cohesiveness between the SiC and substrate. Furthermore,this method is effective to prevent O atoms diffusing from SiO2 into SiC epilayer.

通过"先硅化再碳化"的工艺方法可以较好地解决SiO2/Si复合衬底上SiC成核困难以及粘附性差的问题，同时还可以有效抑制SiO2中的O原子向SiC生长膜扩散。

During the process,a series of artifactitious techniques are respec-tively adopted according to the types of products,such as low-temperature carbonization,crystal type control,particle surface processing,gas smash,etc.

在生产过程中，根据产品型号分别采取了低温碳化、晶型碳化、晶型控制、粒子表面处理、气体粉碎等一系列加工工艺。

The factors include the calefactive process of stabilization,the temperature of carbonization and the condition of activation craft.

通过红外光谱和DTA/TGA分析对ACF的结构变化进行了探讨，并考察了稳定化升温程序、碳化温度及活化工艺条件等对ACF吸附性能的影响。

The main way to process local produced coal is carbonization at lower temperature with semicoke, coal tar, coal gas, and so on as the products.

利用陕北低变质煤为原料进行低温干馏，得到半焦及煤焦油、煤气等产品，是目前陕北地方煤化工的主要工艺。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。