a在煤巷的顶板岩层中布置岩巷 Arranges the crag lane in the coal lane roof rock layer[translate] aCan you check with your mill for the current price of this lace per yard base on the approved quality in your production? 您能否检查与您的磨房这根鞋带的现价每个围场基地在批准的质量在您的生产?
The result of diamond model shows that the coal industry suffers from excessive capacity, low industry concentration ratio, low price and low investment, etc. The current competitiveness of coal industry in China is not satisfactory. Fortunately, China government has issued lists of policies to ...
Current return, also called current yield, is the amount of interest you earn on a bond in any given year, expressed as a percent of the current market price. The current return will, in most cases, not be the same as the coupon rate, or the interest rate the bond pays calculated as...
摘要: In the second half of March square billet suppliers from the CIS to Turkey haveraised prices by $22/t month-on-month to $420?430/t CFR despite rather lowbusiness activity. As a result, demand for import semis declined to a minimum. 年份: 2017 收藏...
acoals are dominated by vitrinertite coal concentrations of huminite and inertinite maceral groups range from 76.9to82.9vol%and from 15 煤炭由vitrinertite huminite和inertinite maceral小组范围的煤炭含量控制从76.9to82.9vol%and从15[translate] ...
Unfortunately, thecurrentlow prices for oil, gas, and coal may provide little incentive for research to find even cheaper substitutes for those fuels. 出自-2017年6月阅读原文 Thecurrentlow fossil fuel price environment will thus certainly delay the energy transition from fossil fuel to clean energy...
We expect to see material reductions in US thermal coal production if US domestic gas prices remain at current low levels. glencore.com 如美國國內燃 氣價格仍維持在目前低水平, 我們預計美國動力煤產量將大幅下降。 glencore.comThe price of Yacheng 13-1 gas is far below the current market ...
of $18 billion in its refining business in 2008 at current crude oil price levels; Sinopec received a $1.7 billion government [...] crisisgroup.org 据报道,根据现有原油价格 水平,2008 年中石油在炼油业务上面临着 180 亿美元的 损失;3 月份,中石化收到了政府提供的 17 亿美元补 贴,用于弥补...
Utilizing real data from an active coal mine with electric equipment, we show the impacts of (i) seasonal power price fluctuations on a medium-term production schedule and (ii) hourly power price fluctuations on a short-term extraction schedule. Results reveal economic potential both for (i) th...
a90% coal mine pipelines 90%煤矿管道 [translate] aLook at the picture,are there any birs in the sky? 看图片,那里任何birs在天空? [translate] amarine air contact 海洋空气联络 [translate] aI think that isn't far in the future. 正在翻译,请等待... [translate] aProperties of cement made ...