查询词典 carbonization

And analyzed experimental phenomena and microcosmic character on theory. Than obtained techniques parameters under which prepares fine comprehensive produce. All this provided the technique support to call backing limekiln gas and industrialization of preparation white carbon using carbonization method.

并对实验现象和微观特征进行了深入的理论分析，取得了制备综合性能较佳的产品的工艺参数，为石灰窑气的回收利用和碳化法白炭黑制各的工业化提供技术支持。

The carbonization is one of the important processes in the production of light magnesium carbonate with dolomite.

白云石是一种储量大，分布广的含镁矿物，以其为原料生产氧化镁，具有生产成本低，反应介质无腐蚀，产品纯度高，副产物可综合利用的优点。

The study on co-carbonization of coal tar pitch and lean coal with different blending ratios was conducted.

摘 要：进行了不同配比的煤沥青和贫煤的共炭化研究，研究表明，煤沥青与贫煤共炭化时的相互作用是物理融合和化学相互作用的共同作用。

The research indicates thatvarious technical characteristics, anti-carbonization, intensity, thermalinsulation and capitalized cost all reach the expected goal.

研究表明其各项技术性能、抗碳化性、强度、保温隔热性以及成本都达到了预期的目标。

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。

According to the deterioration mechanism of concrete, the model of life perdiction in the corrosion form of corrosive medium and high heat were based on the penetration of chloride with the rustiness of steel and the carbonization of concrete with the rustiness of steel. The calculation results of service life of the origin concrete and new mending materials were close to the actural phenomenons.

根据两种腐蚀形式的劣化机理，建立以氯离子渗透和钢筋锈蚀以及温度影响下的混凝土碳化和钢筋锈蚀为主体的钢筋混凝土使用寿命预测模型，并分别对原有材料和新修补材料进行使用寿命预测，预测结果与实际工程相吻合。

By using the a device being similar to water segregator and by controlling the temperature, cyclization of the intermediate product in chloroform reduced carbonization and gave 2-dodecaneanthraquinane in 68.1% yielding.

以十二烷基苯和苯酐为起始原料，经酰基化、关环和磺化三步反应合成了3-十二烷基蒽醌磺酸；并进一步改进和优化了合成工艺条件：即在催化剂三氯化铝过量50%并有三乙胺存在的条件下，中间体2-（4-十二烷基苯甲酰基）苯甲酸收率为72.45%；关环反应采用氯仿作溶剂，利用类似分水器的装置有效控制反应温度以减少碳化，2-十二烷基蒽醌的收率为68.1%。

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。

Does not fear the fire: The lumber has the carbonization effect, when meets the fire, the outer surface of wood surface will form the carburization zone, its low conductivity may prevent the flame to spread inward effectively, thus guaranteed that the entire syntagma is not destroyed for a long time.

不怕火灾：木材具炭化效应，遇火灾时，木表面会形成炭化层，其低传导性可有效阻止火焰向内蔓延，从而保证整个结构体在很长时间内不受破坏。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。