他们的孩子被太阳晒得像煤样黑。
加速蠕变阶段是含瓦斯煤样破坏的开始。
Accelerating creep stage marks the starting of the failure of coal specimens.
煤样在突然加卸载时,有电荷感应信号产生。
Under sudden loading and unloading, there would generate charge-induced signal with low strength.
煤样粒径与固硫剂粒径相差越小固硫效率越高;
The less difference between the coal and the sulfur fixation grain diameter, the efficiency is better.
最后讨论了直径对煤样黏聚力和内摩擦角的影响。
Finally, the effect of the diameter on the cohesion and internal friction angle of coal samples is investigated.
同时对煤样的实际测量值与标准值也进行了比较。
Finally, the comparison between standard values and measurement values derived from the new instrument for the standard coals is carried out.
同时,对氧瓶燃烧法处理煤样的可靠性进行了考察。
The reliability of oxygen bottle combustion disposing coal was studied.
煤样的粒度、菌接种量、加氮源对脱硫有一定影响。
The granularity of coal, inoculation amount of bacteria and additional nitrogen have some effect on desulfurization.
弹性能指数随着煤样百分比的增加而呈现增加的趋势。
Its elastic energy index increases with the increase of percentage of coal.
以大块煤为实验煤样,实验研究了大块煤瓦斯放散特性。
Taking block coal as experimental coal sample, gas emission characteristics of block coal was tested and studied.
介绍了特大煤样采用水力割缝提高瓦斯渗透率的实验研究。
The testing research about enhancing permeability rate by hydraulic cutting seam on outsize coal sample is introduced.
探讨了不同试验条件下同一煤样粘结指数测定结果的差异。
The determined result differences of the caking index of the same coal sample under different test conditions are discussed.
采用MTS815岩石伺服试验系统进行了煤样三轴压缩试验。
On this basis, the triaxial compressive test of coal sample is done using MTS815 servo-controlled rock mechanical test system.
指出在接触角测量过程中,研磨煤样要比成型粉煤测量效果好。
Grinding coal sample result is better than the forming fine coal during contact Angle measurement.
本文介绍了从井下采取的煤样中瓦斯含量及瓦斯成分的测定技术。
This paper describes the method for measuring gas content and gas composition in coal samples obtained underground.
煤样的峰值渗流速度随围压的增加而减小,呈现较明显的线性关系。
The seepage velocity in peak stress decreases with the increase of confining pressure, and indicates obvious linear relationship.
为了保证煤炭样品的代表性,在煤样采制过程中,必须规范操作行为。
In order to guarantee the representation of coal samples, in the process of coal sampling, operation behavior should be normalized.
随着施加在煤样上的载荷增加,钻孔冲击次数显著增多,冲击强度增大。
Along with the load increasing that ACTS on the coal sample, the burst frequency obviously rise and the burst intension also rise.
利用红外光谱和X射线衍射对金属腐蚀电偶法处理前后的煤样进行了分析。
The raw coal sample and the treated coal sample with metal corrosion interaction method using infrared spectrum and X ray diffraction were analysed, respectively.
比较了几个主要突出矿区突出危险煤层与非突出危险煤层煤样的瓦斯成分。
Comparisons of the gas composition of the samples from the coal seams liable and not liable to outburst in several major coal fields have been made.
煤样中瓦斯的初始解吸过程的特点是速度快、变化大,初始解吸的瓦斯流量难以检测。
Fast speed and great changes are the characteristics of the initial desorption gas course from coal, so it is difficult to measure the initial desorption gas flow from coal sample.
试验结果表明,煤样在不同应力路径下加载变形破坏过程中产生的声发射特征有所差异。
Test results indicate that the AE characteristics of coal specimens were different in deformation and failure process under different stress paths.
本文采用低温灰化仪分离了我国18个煤样中的矿物质,用X射线衍射法对它们进行鉴定。
The mineral matter has been separated from 18 coal samples with a low temperature asher, and analyzed by means of X-ray diffraction method.
采用程序升温实验装置,研究双鸭山集贤矿不同粒度煤样在不同温度条件下与氧反应的特性。
With the programmed temperature experiment, the reaction character of Shuangyashan Jixian coal with various sizes under different temperature is investigated.
在这些塑料中,PP塑料对于提高煤样的最终失重率和降低最大失重速率峰温有着较明显的作用。
Among the plastics, PP distinctively increase the last weightlessness and decline the tiptop temperature of pyrolysis.
试验结果表明:在轴压和围压固定的情况下,突出煤样的瓦斯渗透速度随着瓦斯压力的增大而增大。
The experimental results are as follows. The gas seepage velocity of outburst coal samples increase with the increase of gas pressure under fixed axial and confining pressures.
工作面煤样和顶板冲击倾向性测试结果表明,该煤层属于高冲击倾向性煤层,具有发生冲击矿压的能力。
The testing results of working face coal samples and roof impact tendency indicated that the coal seam belongs to high impact tendency and has pressure bumping possibility.
稀土元素分布模式与华北晚古生代沉积的特征是一致的,表明煤样稀土元素分布模式是由源岩继承下来的。
The distribution pattern of REE is in accordance with the characteristic of Late Paleozoic sediments in North China platform, reflecting that it is inherited from the source rock.
稀土元素分布模式与华北晚古生代沉积的特征是一致的,表明煤样稀土元素分布模式是由源岩继承下来的。
The distribution pattern of REE is in accordance with the characteristic of Late Paleozoic sediments in North China platform, reflecting that it is inherited from the source rock.
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