查询词典 coal mine

This article summarizes the hazards of coal gangue dump,and analyses and discusses the greening technology of coal gangue dump,so as to offer the help to vegetation restoration and eco-rehabilitation of coal gangue dump.

概述了矸石山的危害，分析了矸石山的绿化技术，并对矸石山绿化技术进行了探讨和展望，以期为矸石山的绿化改造和生态重建提供帮助。

From the 70sin 20th century, Japan Has been using the windproof net in the harbor coal dump site and outlinedthe method to prevent the coal dust deflected in the outdoor storage coal field.

日本从二十世纪七十年代起，相继在港口煤堆场使用了防风网，并制定了室外储存煤场设备防止煤粉尘飞散方法概要。

All night long, residents here say, trucks carrying coal waste dump it off the side of the mountain. And all day long trucks overloaded with coal rumble past the village, cracking the roads and spraying coal waste on road-side homes.

当地村民还说，每天晚上一整夜都能听到卡车把废弃物倒在东边的煤渣山上，白天则是运送煤炭的大卡车经过村子，卡车压坏了道路，路旁撒满了废煤。

Based on the results of exploration and in-site test of typical waste dump in southwest mountainous area,the analysis theory and method of waste dump rainfall infiltration are discussed beginning at analysing coal waste's mechanics characteristic and seepage theoty. Fllowed estimating method of waste dump stability is discussed influenced by rainfall. At last a typical engineering example of coal waste dump landslide influenced by rainfall is researched, acquiring research fruit hereinafter.①Particular exploration of typical waste dump in chongqing area and analysis estimate to its area engineering geology are done. Granule gradation、water content、nature density、dry densit etc parameter of waste granular media are tested. The mechanics characteristic of waste are researched by in-site shear experimentation、compressibility experimentation and infiltration experimentation.②The coal waste dumping is different from other consecutive solid material as incompact granule structure. Its shear strength and transforming characteristic also have itself characteristic.

本文针对山区矸石山，结合踏勘和现场试验，从分析矸石散体的力学特性以及渗流理论出发，研究了矸石山降雨入渗的分析理论与方法，在此基础上提出了矸石山体降雨作用下的稳定性评价方法，最后进行了降雨作用下典型矸石山滑坡工程实例研究，取得了以下研究成果：①对重庆山区中梁山、万盛、荣昌、天府、綦江等矿区代表性的矸石山进行详细踏勘，对矸石山的堆放形态及其区域的工程水文地质情况进行调查；针对重庆山区矸石山，测试矸石散体的颗粒级配、含水量、天然密度、干密度等参数、并在此基础上，通过现场剪切、压缩、渗透试验等研究矸石散体的力学特征。

The company's automation and control products in the CX system of centralized control shaft are Jiantong Nanjing Cement JT energy saving and environmental protection-type large-diameter shaft (§3.8x8.5 meters,§4.0x8.5 meter shaft) fixed-point matching products applies to Nanjing Jiantong Guantang Ltd., Guangxi Pingguo Wanganui Cement Co., Ltd. all JT energy saving and environmental protection-type on large-diameter shaft; the company independently developed CX-JM15C coal environmental protection agents, dedicated to catalytic coal cement shaft kiln calcined, and its coal effect and Kiln Burning can improve working conditions, improve clinker production quality, reduce cost of production of clinker 3-5 yuan / ton clinker; company also provides enhanced FGF efficient composite cement grinding aids, Products has two kinds of solid and liquid, has good strength and grinding role.

公司的自动化控制系列产品中的CX立窑集中控制系统是南京建通水泥公司JT节能环保型大直径立窑（Ф3.8x8.5米，Ф4.0x8.5米立窑）的定点配套产品，应用于南京建通官塘有限公司、广西平果万佳水泥有限公司等所有JT节能环保型大直径立窑上；公司自主开发的CX-JM15C环保节煤剂，专用于水泥立窑催化节煤煅烧，其节煤效果明显，并能改善立窑煅烧工况，提高熟料产质量，降低熟料生产成本3-5元/吨熟料；公司还提供FGF高效复合水泥增强助磨剂，产品有固体和液体两种，具有良好的增强和助磨作用。

Detailed analysis is conducted on the velocity field, the pulverized coal concentration and temperature, and the results indicate that: in the first stage of the two-stage oil-less ignition system, the flow characteristics and the distribution of pulverized coal concentration make for the ignition of pulverized coal by heating pipe, and during procedure of ignition there are three different kinds of temperature distribution on the cross sections of heating pipe; the flow characteristics in the second stage makes for the mixing of gas phase, and the flame temperature is higher in the second stage.

详细地分析了燃烧器内部速度场、煤粉颗粒浓度场和温度场，结果表明：在燃烧器的第一级，其流动特征及煤粉颗粒浓度分布有利于加热管道对煤粉颗粒的点燃，点燃过程中加热管道的截面上有三种不同的温度分布；燃烧器第二级内部流动特征有利于气流的混合，第二级的火焰温度比第一级更高。

At the same time, two different coal feeding methods - coal from the vertical pipe and from the inserted tube, were separately simulated and analyzed. According to the internal flow distributions under two different coal feeding methods, we made a judgement that the former feeding method was better than the latter.

为了进一步对煤粉捏合器进行优化设计，按照上述方法本文从改变旋转轴的转速、改变煤粉跟溶剂油的进口流量、改变搅拌桨叶形式以及改变搅拌桨叶外端与混合槽壁间距几个方面重新进行了数值模拟与分析。

And the output of the sensor is less dependent on the flow regime. 7. The helical phase concentration sensor designed has been used in the coal puffing system of the 3# blast furnace in Bao Gang to measure in-situ the coal concentration of the main pipe. Combined with the capacitance velocity sensor, the instantaneous mass flowrate of the pneumatic conveying coal is obtained.

在实验室条件下对螺旋形状表面板电容式相浓度传感器的理论优化结构进行了实验验证，对边保护极板提高检测场中心区域灵敏度的作用也进行了实验验证，静态实验结果与理论计算结果相符，传感器检测场的均匀性误差为4.18%，输出线性度好，对流型变化不敏感。

China is the world's biggest coal producer, and the world's seventh-biggest economy depends upon coal for about 70 per cent of its surging energy needs, yet retrieving the coal is a deadly task.

中国是世界最大的煤炭生产国，而且这个世界第七大经济体不断增长的能量需求中有70%依赖于煤炭。然而，煤炭的采掘却是一项有致命危险的任务。

After coal blending, the ignition and slagging behaviors of said coal have been obviously improved, temperature field in the furnace and slagging tendency being also obviously improved, but having certain influence upon the drying capacity of coal pulverizer.

配煤后，其著火和结渣特性得到明显改善，炉内温度场及结渣情况明显改善，但对磨煤机乾燥出力有一定影响。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。