查询词典 blast-hole

The blast wind has then effectively ceased and the direct destructive action of the air blast is over.

爆震风已有效地停止了，于是空中爆震波的直接破坏作用就完结了。

Of a website grow the law that has it, from gather enough much person is angry, the process that arrives to turn discharge into cash reserve in a bank often very anguish and difficult get close to, need a good deal of and a good deal of financing even, in Internet winter blast blast when algidity raids a person, zhang Xi chose to set out however.

一个网站的成长有它的规律，从聚集足够多的人气，到将流量变成现金的过程往往十分痛苦和难捱，甚至需要大笔大笔地融资，在互联网冬天阵阵寒气袭人的时候，张曦却选择了出发。

SB70, a native variety of Yunnan, is an excellent resistance resource to rice blast. Analysis of four resistance trait lesion degree, lesion length, lesion number and diseased leaf area to rice blast in SB70 and mapping the resistance genes on a molecular marker linkage map were performed in this study.

水稻是世界上最重要的粮食作物之一，在整个生育期中遭到各种病虫害的侵害，其中稻瘟病是世界稻区最严重病害之一，防治稻瘟病最经济有效的措施是培育抗性品种。

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。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。