巨大的铁矿石、煤和其他产品的出口帮助它在全球经济低迷中没有经历过一次衰退地幸存了下来。
Prodigious exports of iron ore, coal and other commodities have helped it survive the global downturn without a recession.
中国煤储藏量仅次与俄罗斯。
这一研究成果为黑龙江省东部早白垩世高精度地层划分对比及成煤期次的确定提供了精确的年代依据。
The result provides a foundation of exact time for the high precision stratigraphic subdivision and coal-forming period in Eastern Heilongjiang Province.
测试结果表明，影响后燃现象的主要因素是给煤的粒度分布、煤挥发分含量及挥发分析出规律，同时与炉膛内总风量、一二次风量的配比有关。
The test shows that size distribution of feeding coal, volatile content and its release as well as the total air rate and primary air ratio will influence the post combustion in CFB boiler.
有一次某个人告诉一个精明的家庭主妇说有一种炉子，用起来可以比她现在用的炉子省一半的煤。
Once somebody told a smart housewife that there was a kind of stove, which would only consume half of the coal she was burning.
昆廷坚持我们再宣一次誓，就像我们在煤窖里做过、但已经忘记了的那次一样。
It was Quentin who insisted we all take once more the vow we had made, and forgotten, in the coal cellar.
东部各城市的人民认为他们面临一次严重的煤荒。
People in the eastern cities thought they faced a serious coal famine.
煤电转化过程是将化石燃料煤转化为洁净的二次能源电的过程。
The process of coal changing into electricity is the process of making fuel fossil into cleanly secondary energy sources.
为此，该厂进行了以油改煤工程为基础的建立新管理模式的二次创业，走出了一条符合该类型老电厂实际的新路子。
Therefore this plant conducted the renovation based on the coal-to-oil project, and found a new way which conforms with the practical conditions of old electricity plant.
试验结果表明，钝体可显著改善劣质煤着火情况和大幅度提高燃烧效率，并可允许大幅度提高一次风率。
It is shown that both the ignition and the combustion efficiency can be significantly improved and the ratio of primary air can be greatly increased.
掌握煤粉锅炉一次风管中煤粉浓度的分布情况，对提高锅炉效率有很重要的意义。
The concentration distribution of pulverized coal in primary air pipe is very important for advancing efficiency of boiler.
针对常规热平衡法煤粉浓度测量存在动态误差的问题，提出对一次测量量进行变系数动态补偿的软测量方法。
Aiming at dynamic error during measuring pulverized-coal concentration by general heat balance method, a dynamic compensation soft measurement method is introduced.
为此分析了点火过程中一次风速、煤粉浓度、磨煤机出口温度和煤粉细度等对等离子点火的影响。
Meanwhile analysis was made on how primary air, concentration of pulverized coal, mill outlet temperature and pulverized coal fineness affected ion ignition.
我国是一次能源以煤为主的国家。
一次风煤粉浓度的可靠测量是电站锅炉燃烧优化和安全经济运行的前提条件。
The creditable measurement of pulverized coal concentration in primary air is the basis of combustion optimization and safe operation of utility boilers.
坑口电站可以直接将一次能源转化为二次能源，减少输煤损失和环境污染，具有很大的优势。
Mine mouth power plant can directly convert primary energy source into secondary energy, reducing coal loss in the transportation and environmental pollution, so it has tremendous advantages.
设法提高二次风温，保证窑、炉足够通风，适当调整配料方案是应用劣质燃煤的技术关键，劣质煤完全可保证大型预分解窑稳定生产。
The key technology of applying low grade coal is to increase secondary air temperature, ensure sufficient air in kiln and adjust the batching scheme properly.
结果表明：一次风率对煤粉气流的着火影响较大，而对出口处烟气温度、氧量以及飞灰含碳量影响较小。
The results illustrate that primary air ratio has a major effect on pulverized coal ignition and minor effects on gas temperature, oxygen concentration and unburned carbon at furnace exit.
运用湍流理论和多相流动理论对不同二次风反切工况下炉内气流、煤粉颗粒运动进行了数值模拟。
The numerical simulation for furnace gas flow and coal powder particle motion under various conditions of reverse secondary air is carried out based on turbulent flow and multiphase flow theories.
探讨了“二次生气”的时期、门限深度和门限成熟度，计算了“二次生气”量和煤型气聚集量，并展望了煤型气勘探前景。
The quantity of the secondary generated gas and the accumulation volume of coal-type gas were calculated, and the exploration prospective of coal-type gas was pointed out in this paper.
通过采取提高一次风风量、控制合理库存、改造螺旋间隙等措施，达到了稳定煤粉输送量的目的，稳定了窑内热工制度。
Stable coal transportation and kiln thermal condition is achieved by increasing primary air rate, improving inventory and modifying screw clearance of the screw pump.
随着一次风煤粉浓度下降，K的发射谱线强度下降。
The emitted line intensity of K decreases with reducing of the concentration of pulverized coal.
文中利用一种新的气源岩定量评价方法对南华北盆地上古生界煤的二次生烃机理进行了研究。
In this paper, the secondary hydrocarbon generation mechanism of the Upper Paleozoic coal in the South Huabei Basin was studied using a new kind of quantitative evaluation method for gas source rock.
这是他马丁·伊登生平第一次坐头等舱，在出海的船上他从来都是在水手舱，在驾驶室，或在锅炉房运煤。
It was the first time in his life that Martin had travelled first class. On ships at sea he had always been in the forecastle, the steerage, or in the black depths of the coal-hold, passing coal.
龙煤集团鹤岗分公司兴安煤矿瓦斯灾害严重，从2002年至今有记录的煤与瓦斯动力现象共发生了5次。
There is serious risk of gas disaster in Xingan Mine, Hegang Branch, Longmei coal Industry Group. Since 2002 total of 5 times of phenomenon of coal and gas powered have been recorded.
以沉降炉作为燃烧设备来研究不同粒径煤粉燃烧后形成的一次颗粒物的特性。
A sedimentation furnace was employed as a combustion device to study the characteristics of primary particulate matter formed after the burning of pulverized coal of different particulate diameters.
本文对往复炉排配蒸汽二次风燃低热值煤的试验情况作了详细介绍。
This article gives a detailed description about the tests of burning low calorific value coals on a reciprocating-grate stoker with steam jet.
介绍了综采割煤二次负压降尘装置结构、工作原理以及在朔里煤矿综采工作面使用情况。
Author introduces the structure and the working principle of the secondary dust removal device with negative pressure as well as the application to fully mechanized mining face in Shuoli colliery.
介绍了综采割煤二次负压降尘装置结构、工作原理以及在朔里煤矿综采工作面使用情况。
Author introduces the structure and the working principle of the secondary dust removal device with negative pressure as well as the application to fully mechanized mining face in Shuoli colliery.
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