烧结因素

According to the results of thermodynamic calculations and the flyash-sodium carbonate sintering experiments, contrasting the energy consumption, material resource consumption and the expellant of the greenhouse gas CO2 during the two sintering processes, it demonstrates that the procedure could be the least consumptions of the mineral resources and energy, the least expellant of the greenhouse gas CO2, and that the terminal products with high value could be manufactured when sodium carbonate is taken as the flux agent.

基于热力学计算结果，对比了两种工艺的能耗、物耗、温室气体排放量等因素，结合粉煤灰－碳酸钠烧结反应实验，证明以碳酸钠为配料，高铝粉煤灰烧结过程具有一次性资源消耗量少，能耗最低，温室气体CO2排放量最小，且可生产高附加值产品，实现完全清洁生产等优点。

Through researching for CF producing characteristics of ten kinds of iron ore sintering by means of small sintering test method and microstructure analyzing method, main factors of influencing producing CF were found. Under the conditions of basic capacity being 2.0 and other conditions being identity, limonite and hematite with loose microstructure as well as high ...

为此 ，采用微型烧结试验法和矿物组成及显微结构分析法研究了 10种铁矿石烧结的铁酸钙生成特性，找出了影响铁酸钙生成的主要因素，即在碱度为 2 。0及其它条件相同的情况下，结构松散的褐铁矿、赤铁矿及较高含量的 Al2 O3和 Si O2 均有利于 SFCA的生成。

The cuspidine is all long known as the main factor leading to the low strength o the sinter bearing fluorine, But with the fluorine decreasing by a wide margin, the strength of the sinter bearingfluorine get lower. So, the first work is to fine out the reason to cause the strength low.

含氟烧结矿中的枪晶石一直被认为是制约包钢烧结矿强度的主要因素，但随着含氟量的大幅度降低，烧结矿的强度却进一步恶化，因此，弄清影响低氟烧结矿强度的原因是提高烧结矿强度的前提和基础。

Such factors as the amount of phosphoric acid and meltable additives and the agglomeration crafts including the highest temperature, the time of heat preservation at the temperature, and the velocity of temperature rising and falling were individually researched. Moreover, the relationship of them was systematically studied.

考察了磷酸用量、助熔剂用量、烧结工艺(包括烧结温度、保温时间、升温速度及降温速度)等因素对材料性能的影响，并系统地考察了这些因素的相互关联性，获得了制各本体材料的优化方案。

Five synthesis methods of AlN powder were discussed,namely direct nitrogenation of Al powder,carbothermal reduction of Al2O3,chemical vapor deposition,sol-gel method,self-propagating high-temperature synthesis and plasma chemical synthesis.

凝胶法、自蔓延高温合成法和等离子化学合成法；分析AlN烧结助剂的选择和5种烧结工艺：热压烧结、无压烧结、放电等离子烧结、微波烧结及自蔓延烧结；阐述AlN基板的制备工艺及其影响因素。

Five synthesis methods of AlN powder were discussed, namely direct nitrogenation of Al powder, carbothermal reduction of Al2O3, chemical vapor deposition, sol-gel method, self-propagating high-temperature synthesis and plasma chemical synthesis. The choice of AlN sintering additives and five sintering technologies were analysed, namely hot pressing sintering, pressureless sintering, spark plasma sintering, microwave sintering and self-propagating sintering. The preparation processes of AlN substrate and its influencing factors were expounded.

介绍AlN陶瓷的典型性能和导热机理；讨论AlN粉末的5种合成方法：铝粉直接氮化法、Al2O3碳热还原法、化学气相沉积法、溶胶凝胶法、自蔓延高温合成法和等离子化学合成法；分析AlN烧结助剂的选择和5种烧结工艺：热压烧结、无压烧结、放电等离子烧结、微波烧结及自蔓延烧结；阐述AlN基板的制备工艺及其影响因素。

The mian works are as follows:(1)By coprecipitation technique and coprecipitation- gel technique the nano zirconia powder was produced, factors affecting the properties of nano zirconia powder such as pH and the content of stabilizator are analyzed;(2)By the new pressless sintering process, the nano zirconia ceramic was produced, factors which can affecting the properties of nano zirconia sinter body such as moulding press and the sinter temperature are analyzed;(3)By the microtherm pressless sintering process, the nano copper added functional zirconia ceramic composite was produced, microscopic dimensionality and electric properties of such sinter body and the factors affecting such sinter body are analyzed;(4)By the self-invented "external albumen coating" technique the zirconia powder was successfully coated by carbon in the corresponding sinter body, which can help solve the traditional aggregation problem to some degree;(5)Based on analyze the characteristics in the nano powder sinter process, the "three-ball sinter model" was proposed, for the relationship between the relative density and porosity of sinter body, by mathematical fitting, such model was successfully verified.

本研究比较系统地研究了纳米氧化锆陶瓷的合成与成型机理，特别是讨论了纳米氧化锆陶瓷的稳定性，为防止纳米颗粒在外场作用下的团聚和长大提供了理论基础和实验数据，具体工作有以下几方面：(1)采用共沉淀法和共沉淀-凝胶法制备了纳米氧化锆粉体，并分析了pH值和稳定剂含量对粉体性能的影响；(2)采用新型无压烧结工艺制备了纳米氧化锆陶瓷，并分析了成型压力和烧结温度对烧结体性能的影响；(3)采用低温无压烧结工艺制备出添加纳米铜的功能性纳米氧化锆复合陶瓷，并分析了烧结体的微观尺度和电学性能的变化以及影响因素；(4)通过自创的&鸡蛋清外敷法&在真空镀膜台上对纳米氧化锆粉体进行包敷碳颗粒的表面处理，并采用真空烧结工艺制得相应烧结体，初步开始解决陶瓷烧结过程中团聚长大这一传统难题；(5)通过分析纳米颗粒在制备烧结体过程中的实际特点，提出了&三球烧结数学模型&，通过引入坯体相对密度和孔隙率的相对关系分析并通过自行编写的数学拟合软件，验证了这一数学模型。

In the paper the main topics are:(1) to analyze the chemistry composition, the X-ray diffraction, the DTA, and the functions of all raw materials;(2) to define the best direction for producing glass and foam glass, and the best burning technical process;(3) to characterize the unit weight and thermal conductivity of foam glass;(4) to analyze the reason of bubbling up, including the influence factor of temperature, time and so on;(5) to discuss the reasons of leading to shortcomings.There is high content quartz (SiO2) in the two gangues from gold mine and potassium feldspar mine respectively. They can be used to prepare glass, because the quartz (SiO2) is the main raw material.

论文的主要内容包括：1、对矿山尾矿的湿化学分析，粒度、X射线衍射和热稳定性的分析，以及硼砂、碳酸钙及制备泡沫玻璃的玻璃粉、磷酸钠实验原料在实验中的作用进行分析；2、确定尾矿烧结成玻璃体和利用玻璃体烧结泡沫玻璃的最佳配方以及两次烧结的最佳烧成工艺条件；3、泡沫玻璃制品的体积密度和导热系数等物理性能的测定；4、泡沫玻璃的发泡机理分析，包括发泡温度、发泡时间、发泡剂的用量、稳定剂的用量及其它因素对发泡作用的影响；5、讨论造成泡沫玻璃成品各种缺陷的原因及其解决方法。

The muffle kiln was used in the small scale experiment of sintering, and the atomic-absorption spectrophotometer was used to determine the contents of heavy metals in the samples. This study investigated the migration characteristics of 6 heavy metals in the sintering process of MSWI fly ash, and analyzed the influence of temperature, residence time, modeling pressure, additive and etc. onto the migration characteristics of heavy metals.

首先，采用高温箱式电炉对垃圾焚烧飞灰进行了小型烧结实验，使用原子吸收光谱仪对烧结前后样品中重金属含量进行测试，考察飞灰烧结过程中6种重金属(Cd、Pb、Cu、Ni、Cr和Zn)的迁移情况，并分析烧结温度、时间、成型压力、添加剂等因素对各种重金属迁移特性的影响。

The Measures of Improving the Sintered Strength of the Coated Sand Mold Made by Selected Laser Sintering SLS

分析了影响覆膜砂铸型烧结强度的因素，详细地讨论了提高选择性激光烧结覆膜砂铸型烧结强度的各种措施。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失