原煤产量

西门子称重元件应用于煤矿主井提升系统与PLC配合实现装载自动定量控制和原煤产量的计量。

Load cell of SIEMENS using in coal mine main well coveying system cooperate to PLC , realizes automatic quantitative loading control and coal yield measure .

2009年我国原煤产量为30.5亿吨，在煤矿开采中，通过通风瓦斯排放的纯甲烷量在150200亿m3左右。

In 2009 , China has a coal production of 30.5 million tons and the volume of pure methane discharged through ventilation during coal mining is between 15 and 20 billion cubic meter .

工业锅炉能耗巨大，占我国原煤产量的三分之一左右。

Industrial boilers huge energy consumption , Chinese output of raw coal accounts for about one-third .

全国乡镇煤矿原煤产量抽样调查与统计工作建议这样用时，煤炭就不是生产原料了，而是最终产品。

Sampling investigation on raw coal production of villages and towns coal mine in China and suggestions on statistics ;

全年原煤产量27.9亿吨，增长4.1%，新增发电装机9051万千瓦。

Coal output was2.79 billion tons in2008 , up4.1 % , and installed power-generating capacity increased by90.51 million kilowatts .

结果表明：随着累计原煤产量的增加，草地破坏面积和草地沙化面积在逐年扩大；

The result shows that with the increase of coal output , the area of destruction and desertification of grassland keep enlarging year by year .

其中，原煤产量35.2亿吨，原油产量稳定在2亿吨，成品油产量2.7亿吨。

Of this , raw coal reached 3.52 billion tons ; crude oil , 200 million tons ; and refined oil products , 270 million tons .

在世界原煤产量中，中国占到了35%，但在世界煤矿工人死亡人数中，中国却占了80%。

In the raw coal output , China occupies 35 % , but coal miners death toll in the world . China has accounted for 80 % .

本文根据主成分原理，对影响矿井原煤产量的生产因素进行综合分析，并构造出回归预测模型。

According to the theory of Chief Component , this paper makes comprehensive analysis with producting factors of the coal mine , and it also advances a set of mathematical models of coal output .

经过五十多年的建设和发展，我国原煤产量增长近700倍，已成为世界上最主要的产煤大国之一，煤炭开采技术和生产管理方式等方面也有了极大的改善。

Through the construction and development of coal industry during 50 years , the production of coal is already increased by 700 times than that in 1949 . In the meanwhile , technology of exploitation for coal and management are improved well .

据统计，我国煤矸石综合排放量约占原煤产量的15%&20%，已累计储存量达70亿t之多。

According to stat. , in our country the amount of the integrative discharging of coal gangue is equal to 15 % ~ 20 % of raw coal , and the accumulative total of stockpile may reach more than 70 hundred million ton .

随后，利用统计学的基本原理对调研数据进行因子分析，寻找出与企业人才相关程度最大的因素，即原煤的产量。

Use of SPSS and factor analysis of data , and the factors related to the most talented person , namely raw output .