查询词典 coal

It is found that the pyrolysis feature of paper mill sludge is similar to that of the bituminous coal, and that of the municipal sewage sludge is much better than that of the paper mill sludge and bituminous coal.

揭示了污泥、煤及其两者混合物热解特性的异同，研究了升温速率、掺混比等因素对混合试样热解特性的影响，提出了挥发分综合释放特性指数。

The large and medium-sized cement enterprises in our country generally use high-quality bituminous coal and low quality coal can not been used.

随着优质资源的日益稀少，水泥工业逐渐向利用低质燃料的方向发展，但局限于当前的水泥生产工艺水平，能够适应水泥生产的煤种范围比较窄，一般我国水泥工业中的大中型企业多使用优质烟煤，劣质煤很难得到应用。

Analyzed the condition of coal-mine explosive malfunction in China, and researched the passivation mechanism of coal-mining emulsion explosive and delay electric blasting cap, and discussed the avenue of researching the permitted emulsion explosive with the function of shock resistance.

分析了我国煤矿的爆破异常情况，研究了煤矿许用乳化炸药和毫秒延期电雷管的动压特性，对爆破异常机理进行了较全面的阐述，并通过耐压型乳化炸药的研制探讨了预防和减少爆破异常现象的技术途径。

This model can be used to determine the proper angle and position of lance. In Chapter Five, based on characteristics of Pulverized coal combustion in blast furnace, the mathematical model in the blowpipe and the raceway, including coal movement, devolatilization and combustion, was put forward.

为消除对高炉风口磨损，本章结合高炉喷吹煤粉特点，发展了一个能全面考虑气固两相流煤粉燃烧和煤粉颗粒轨迹的三维计算程序，并对所采用的理论进行了详细介绍。

The rotational jet and local oxygen enrichment can improve the mixing of oxygen and pulverized coal, but the effect of coal injection is weak on the whole flow field in blowpipe. The mass and momentum transfer near the exit of lance are very strong.

结果表明，氧-煤喷枪的漩流、富氧率等仅在氧枪出口的有限区域内对流场有较大的影响；喷煤对整个直吹管内的流场影响较小，但在氧-煤喷枪出口附近区域会促使气相和煤粉激烈混合，动量和质量传输较强烈。

Based on a circular reinforced concrete coal bunker with diameter of 90 m for a thermoelectric project,and for this coal bunder,the uniform pilasters are set up along its circumference.

胶带输送机钢结构栈桥在煤炭行业应用极为广泛，结合某热电工程直径90m、沿圆周均匀设置扶壁柱的钢筋混凝土圆形贮煤仓，对其进行煤钢结构栈桥的结构设计。

However, the coal bunker channeling warehouses in China coal mine accidents occur frequently.

它可以有效地提高工作面采掘设备的利用率，充分发挥运输系统的潜力，保证连续均衡生产。

Height between base surface of coal feeder and coal bunker outlet

给料机基础平面与磨煤机入口之间的高度。

The paper introduced a coal level auto monitoring and control system suitable for a deep and small diameter coal bunker in underground mine.

介绍了一套适用煤矿井下深细煤仓的料位自动监控系统，它将单片机应用于系统控制并采用脉冲信号输入输出和光电耦合隔离等措施使控制系统具有较强的抗干扰能力。

To install in coal bunker reciprocating next, in underground mines in the production of coal, setting a certain capacity to ensure away with high yield, high peak pinggu is very necessary.

往复式给煤机安装在煤仓下口处，在煤矿井下生产中，设置一定容量的煤仓对于保证消峰平谷和高产、高效是十分必要的。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。