查询词典 blast-hole

The results show that without or with small amount of MgO in burden, the sintering productivity can be improved, and the sinters have high cold strength and narrow temperature range of cohesive zone. Consequently, the permeability of cohesive zone in blast furnace can be improved and the total pressure drop in blast furnace can be decreased by use of such sinters.

研究结果表明，在烧结过程中不加或少加MgO，可提高烧结生产效率，获得冷态强度高、软熔带温度区间窄的烧结矿，从而提高高炉软熔带的透气性、降低料柱全压差。

The mechanical effects produced by the V-shaned notch which is under both the dynamic pressure of blast, wave and the quasi-stationary pressure of blast gas are studied, in detal .

本文详细研究了切槽爆破中V形切槽在爆炸冲击波的动态压力和爆生气体的准静态压力作用下产生的力学效应。

The blast furnace blower, which sends wind to the blast furnace, is the crucial and complex equipment in metallurgical enterprise.

在冶金企业中，高炉鼓风机是非常重要的复杂设备，为了确保其能够稳定、高效、安全的工作，设计并实现高炉鼓风机的计算控制是十分重要的。

The task is to design blast furnace, material proportion and hot blast stove the process monitor systemThe monitoring part use SIEMENS configuration software Wincc6.0 by way of tap tool, configure monitor and control menu ,workout corresponding monitor program ,make the system process function :dynamic monitor, archive history data, singularity alarm ,locale handling supervise and control of production process, the user interface is in Chinese setting ,interface friendly .handling easily.

0为开发工具，设计了系统的监视与控制画面，并编制了相应的监控程序，使系统具备了对现场过程数据的动态监视功能、历史数据的归档功能、异常信号的报警功能、现场操作的指导功能和对生产过程的控制功能等。

A model for predicting the sulphur content in hot metal based on neural networks is introduced. Blast temperature, blast flux, top temperature, burden, coal injection rate, sulphur content in ore, sulphur content in coke, sulphur content in coal and silicon content of last tap were selected as inputs. The inputs were treated with time lag to improve prediction.

采用3层BP神经网络来预报高炉铁水硫含量，根据高炉冶炼的实际生产数据，选取风温、风量、炉顶温度、焦炭负荷、喷煤量、矿石硫含量、焦炭硫含量、煤粉硫含量和上一炉铁水硅含量9个因素作为输入变量，为提高神经网络预报的准确率，对输入参数进行时滞处理。

Blast gages were flush-mounted in the wall of the model tunnel sections to record side-on blast pressure as it propagated down the tunnel.

用坑道侧墙上的压力传感器实测了冲击波波形，由实测数据拟合出了装药堵口爆炸情况下，冲击波正相冲量沿着等截面直坑道传播的工程经验模型。

In this paper, to counter the key technology of blastdown-blasting technology, compering experimental results of instant blast with those of millisecond blast, the effect of blasting technique on the self-being rate at coalface was analyzed by use of method of description.

文中针对炮采工作面核心工艺──爆破工艺，通过瞬发爆破、微差爆破的试验对比，用作图法分析爆破工艺对炮采工作面煤炭自装率的影响。

There was a great deal of chlorine salt ions in blast furnace gas dusted with cloth bag,which directly affected safety running of blast furnace gas network and normal usage of users.

在10%NaC l溶液的浸泡环境中，采用不同的养护制度，对氯盐侵蚀环境下掺加不同橡胶掺量混凝土试件的力学性能进行了研究。

There was a great deal of chlorine salt ions in blast furnace gas dusted with cloth bag,which directly affected safety running of blast furnace gas network and normal usage of users.

布袋除尘高炉煤气中存在大量的氯盐离子，直接影响了高炉煤气管网的安全运行和用户的正常使用，就氯盐的主要成分及如何降低其对管网和用户的影响进行了探讨。

The results indicated that: compared with mono-cropping, the mean densities of rice stem borers, leaf roller, rice hoppers and leafhoppers in scale rice-duck farming were decreased by 54.4%, 48.8%, 73.6% and 96.1% respectively, and the rate of diseased plant of sheath blight and rice blast in IF were decreased by 78.9% and 48.5% respectively. Compared with the conventional rice-duck farming, the average densities of rice stem borer, rice leaf roller, rice hoppers and leafhoppers in IF was reduced by 18.2%, 9.5%, 7.0% and 0.82% respectively, and the rate of diseased plant of sheath blight in IF were decreased by 35.5%, unfortunately that of rice blast in IF was increased by 8.0%.

结果表明：规模稻鸭生态种养水稻二化螟、稻纵卷叶螟、稻飞虱和稻叶蝉平均虫量较水稻单一种植分别下降54.4%，48.8%，73.6%和96.1%，纹枯病和稻瘟病病株率分别降低78.9%和48.5%；较常规稻鸭生态种养水稻二化螟、稻纵卷叶螟、稻飞虱和稻叶蝉量分别下降18.2%，9.5%，7.0%和0.82%，纹枯病病株率降低35.5%，稻瘟病病株率升高8.0%。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。