燃烧性

Can be reduced by decreasing grid size and increasing the number of solid angle discreetation.

因而，在含散射性介质的系统，如煤粉燃烧室内流动、燃烧、传热的模拟中，离散坐标法将是一种很有发展前途的辐射传热计算模型。

Gas consumption would be decreased if the combustion system of soaking pit is rebuilt applying regenerative combustion technology.

应用蓄热燃烧技术改造传统均热炉燃烧系统，可以节约燃气的消耗率，提高炉内温度场的均匀性。

The ash from open-field burning or from non-controlled combustion in industrial furnaces usually contains a higher proportion of non-reactive silica minerals such as cristobalite and tridymite.

由开阔场地燃烧或在工业炉中不加控制地燃烧得到的灰通常含有较高比例的非反应性二氧化硅矿物质。

The ash from open-field burning or from non-controlled combustion in industrial furnaces usually contains a higher proportion of non-reactive silica minerals such as cristobalite and tridymite, and it should be ground to very fine particles to develop pozzolanic activity.

由开阔场地燃烧或在工业炉中不加控制地燃烧得到的灰通常含有较高比例的非反应性二氧化硅矿物质，例如方石英和鳞石英，而且，要发展火山灰活性，它应该被研磨成很细的颗粒。

Numerical experimental results showed that the perimeter air deflectable deposited burner could ensure the flame stability to satisfy combustion requirements under low load and can prevent spout fire carrying, low concentration of particle matters around the water-wall ensures the water-wall to be in oxidation atmosphere to solve problems of high temperature erosion and slagging, and particle matters separated from main spray caused by deflectable deposited perimeter air plays a significant role in low NO combustion control.

数值试验结果表明，偏置周界风燃烧器在保证煤粉气流着火稳定性以满足低负荷燃烧要求的同时，具备较强的防止喷口带火能力；炉内水冷壁附近颗粒物质量分数相对较小，从而能保证较高的氧化性氛围以解决水冷壁高温腐蚀、结渣等问题；偏置周界风所引起的炉内气固两相偏析在低NO燃烧控制方面具有重要意义。

By proximate and ultimate analysis, petrographical analysis, Scanning Electronic Microscope analysis, Mercury Porosimeter analysis, TG analysis and pilot scale fluidized bed combustion experiment, the combustion characteristics and particle properties of Longyan coal with different lithotype were studied, including the surface figure and pore structure of particle, the maceral content, the ignition and burnout temperature, and the reactivity, ect.

利用热天平实验测试数据，分别采用Freeman-Carroll微分法、改良Coats-Redfern积分法和Flynn-Wall-Ozawa法等热分析手段求解4种无烟煤的燃烧动力学参数。研究不同热天平试验工况、不同处理方法和不同拟合区间等对求解结果的影响，分析用不同热分析方法求解反应动力学参数的可靠性并计算得到了几种典型福建无烟煤的燃烧反应动力学参数；再次是研究流化床燃烧中无烟煤焦的反应性随燃尽度的变化。

On the basis of composite solid propellants combustion model, we have modifiedthe surface structure factor of nitroamine propellants and a new function have be used tomodified the decomposition products of nitroamine according to predecessors researchfindings in combustion mechanism of nitroamine propellants, these work make originalmodel is indicated for a wide range of pressure and particle size.

2在原有的复合推进剂燃烧模型基础上，根据前人在硝胺推进剂及燃烧机理方面研究成果对硝胺推进剂表面结构因子f_进行修正，并引入ξ函数对硝胺的分解产物中的氧化性气体含量进行修正，使原有的燃速预估模型能适用于更宽的粒度及压力范围。

The fundamental characteristics for combustion temperature,reactivity,combustion performance,grindability and transportability were studied.

选用石油焦替代部分高炉喷吹用煤，并通过对其着火点、反应性、燃烧性能、可磨性及输送性能的系统研究发现，高炉喷吹石油焦可改善煤粉的燃烧性能、降低能耗。

At the first stage, the volatile contained in fibrous matter was released, and then the released volatile matter was combusted continuously; at the second stage, the fixed carbon of fibrous matter was burned, and pyrolysis and combustion of the polymer matter happened at the same time.

在第一个阶段，挥发性、不稳定的物质包括纤维物会分解或挥发，然后分解的不稳定物质会持续的燃烧；在第二个阶段，稳定的含碳纤维物燃烧，并且，聚合物的高温分解和燃烧发生在同一时间。3。

At the same time, this model is used to predict the NOx emission durion coal combustion and heavy metal vaparization during incination of wastes.

研究表明，影响颗粒团燃烧特性的因素是多方面的，其中由于气固分布与流动非均匀性所带来的颗粒团内部的燃烧气氛的差异性是影响颗粒团燃烧特性的最重要因素。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷