查询词典 blast wave

In order to optimize the design of hot blast stove, a model of heat transfer in chamber of hot blast stove was developed and the software based on the model was established. The effect of the checker thermal characteristics such as thermal conductivity, heat capacity, density etc on the temperature of blast and checkers,the heat accumulation and heat release of checkers was determined.

为优化热风炉设计，建立了热风炉蓄热室内传热过程的数学模型，制作了应用程序软件，探讨了不同的格子砖物性参数，如导热系数、比热容和密度等对格子砖温度场分布、气体温度分布以及格子砖蓄热量和放热量的影响。

The technical measures of 750m3 blast furnace strengthening smelting of Laiwu iron and steel general works consist of improving the coke quality,increasing burden quality,promoting reasonable burden structure,determining reasonable adjustment parameters of upper and lower blast furnace,using the waste heat recovery device of hot stove and using the spraying and coating technique for making liner of blast furnace,etc.

莱钢750m3高炉强化冶炼的措施包括改善焦炭质量，提高入炉矿石质量，促进炉料结构合理；确定合理的上下部调剂参数，抓好炉前工作，应用INBA法新转鼓水渣处理系统、热风炉余热回收装置、高炉喷涂造衬等新技术。

The RF-340-2 hot blast electric furnace mainly provides the stable hot blast for each kind of drying plant, the hot-blast temperature and wind speed could adjust, and control temperature automatically.

RF-340-2热风电炉主要为各种烘干设备提供稳定的热风，热风温度和风速均可调节，并自动控温。

The author emphatically describes Quantum PLC based process control systems of the hot-blast stove body, Siemens S7-400 PLC (software configuring in PCS7 pattern) based hot-oil preheating control system of the hot-blast stove and the heat-exchanging electric control system of the hot-blast stove based on the mix- configured system of Siemens S7 and Siemens S5 series PLC, elaborates their system constitutions, software and hardware configurations, operational principles, main control functions and applicative effects.

摘 要：本文简介了邯钢7#高炉热风炉的工艺状况，重点描述了基于Quantum PLC的热风炉本体仪控系统、基于西门子S7-400PLC (PCS7)的热风炉热油预热控制系统和基于西门子S7与 S5系列PLC混合配置的热风炉换炉电控系统的构成、软硬件配置、工作原理、主要控制功能和应用效果。

Rock blast is one of the main geological hazards during tunnel construction at high land stress zone. Rock blast greatly threatens the production safety of the construction enterprise. It is of great importance to predict the extent of rock blast when designing and constructing this kind of tunnel.

岩爆是高地应力区岩质隧道开挖施工过程中发生的主要施工地质灾害之一，它的发生对隧道施工企业的安全生产构成很大的威胁，对岩爆发生可能性及其程度的预测是这类隧道设计、施工及安全生产所面临的重大问题。

The design of blast furnace systems considered the weighing sensors,the hopper slooshing,conveyor belt rotation,uplink and downlink of feeding car.PLC controled the use of blast furnace of election material and feeding so as to realize the blast furnace automatically.

高炉上料系统的设计主要考虑了传感器称重、料斗的下料、传送带的转动、料车的上行和下行等，使用PLC控制高炉的选料和送料，实现了高炉上料的自动化。

Thedesign of blast furnace systems considered the weighing sensors,thehopper slooshing,conveyor belt rotation,uplink and downlink offeeding car.PLC controled the use of blast furnace of electionmaterial and feeding so as to realize the blast furnaceautomatically.

高炉上料系统的设计主要考虑了传感器称重、料斗的下料、传送带的转动、料车的上行和下行等，使用PLC控制高炉的选料和送料，实现了高炉上料的自动化。

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. In order to ensure proper MgO content in the BF slag and improve the RDI of sinter, a new process of adding MgO in BF is proposed.MgO; sinter; blast furnace; cohesive zone

本文考察了MgO对烧结工艺及烧结矿冶金性能的影响，提出了合理添加MgO新工艺的建议。1 MgO对烧结工艺的影响1.1 烧结试验在实验室条件下，以各种铁精矿粉为原料，使用j6150 mm烧结杯系统，考察MgO含量对2种碱度(R=1.36和R=1.76)烧结工艺的影响，烧结试验中的MgO以白云石的形式添加，MgO的质量分数分别为1.3 、1.7％、2.1 、2.6 和3.0％，其他烧结工艺参数见表1.1.2 试验结果及。。。。。。

The blast furnace blower, which sends wind to the blast furnace, is the crucial and complex equipment in metallurgical enterprise. So it is necessary to design a computer control system to insure that the blast furnace blower can work steadily, efficiently and safely.

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。

As the foundation of ultrasonic testing of composite materials, this thesis is intended to explore in detail a number of features of wave propagation in anisotropic plates, and the following essential problems will be considered:(1) Propagation of plane bulk waves in homogeneous and orthotropic anisotropic media;(2) Lamb wave propagation in multilayered anisotropic plates;(3) Influence of isotropic solid or liquid loading on Lamb wave propagation in anisotropic solid media;(4) Influence of interface layers on Lamb wave propagation in layered anisotropic composite laminates;(5) Dispersion characteristic analysis of attenuation Lamb wave while existing an thin viscous layer which is used for simulating the poor curing in adhesively bonded joints.

作为复合材料超声检测的基础，本文研究了如下国际前沿性的课题：（1）平面体波在正交均匀各向异性媒质中的传播；（2）多层各向异性媒质中Lamb波的传播；（3）各向同性固体或液体负载对各向异性固体媒质中Lamb波传播的影响；（4）界面层对层状各向异性复合媒质中Lamb波传播的影响；（5）胶粘剂未固化而呈现粘弹性时粘接结构中衰减Lamb波的频散特性分析。

The circulation, consumption and reproduction of the trilogy have not only testified to its historical significance and literariness, but also invested it with new meanings.

该三部曲的流通、消费与再生产不仅验证了其历史意义及文学性，而切还赋予它以新的意义。

If he thought that he could buy me off, he would be wrong.

如果他认为他可以收买我，那他就大错特错了。