In order to carry out effective prevention and control for coal and gas outburst accident, elaborated the role of gas in coal and gas outburst from the two stages of pregnant and outbursting, and pointed out the influence of the adsorption gas and crack gas of coal seam to the physical and mechanical properties of coal.
为了对煤与瓦斯突出事故进行有效的预防与控制, 分别从孕育和突出两个阶段阐述了瓦斯在煤与瓦斯突出中所起的作用, 指出了煤层吸附瓦斯和裂隙瓦斯对煤的物理力学性质的影响;由于空隙瓦斯的存在, 加剧了煤体失稳破坏的过程; 特别指出突出的主要能源来自于瓦斯的膨胀能; 并根据这一结论提出了相应的防突措施。
Sinusoidal electromagnetic fields in accordance with the impact of coal seam gas adsorption mechanism,plus the electromagnetic field can reduce the coal to gas adsorption capacity,increasing the release speed.
根据正弦波电磁场影响煤层瓦斯吸附的机理,外加电磁场可以降低煤对瓦斯的吸附能力,改变瓦斯释放速度。
Investigation of treatment of ammonia-nitrogen wastewater with modified Chengde zeolite and its adsorption capacity;
承德沸石改性处理氨氮废水及其吸附容量的研究
Study on Cr(Ⅵ) adsorption capacity of specific sludge;
特定污泥对铬(Ⅵ)的吸附容量研究
Study on adsorption capacity of Anji montmorillonite for antibacterial metal ions;
安吉蒙脱石对抗菌金属离子的吸附容量研究
The carbon selection method employing a set of four adsorptive capacity indicators was presented.
使用碘值、苯酚值、甲基蓝值和丹宁酸值4种吸附容量性能指标组成水处理活性炭选型技术。
The removal rate and adsorptive capacity of lead achieve to 84.
87% ,吸附容量为 3 3 。
By colorimetry, the adsorptive capacity and service life of D - 101 macro reticular resin for ginsenoside were studied.
用比色法研究了D-101大孔树脂在不同条件下的吸附容量及使用寿命。
Its absorption capacity is different with different oil.
本文对两种润滑油进行研究 ,发现吸附剂对二硫化钼润滑油的吸附容量比钙基润滑脂的大 ,对二硫化钼润滑油 ,仅 10 min便达到其饱和吸油量 6。
Also, the deuterium absorption capacity and the equilibrium pressure of the absorption and desorption at room temperature of ZrV 2 are given.
测定了ZrV2 合金的吸、放氘P C T曲线、吸附 (或离解 )平衡压与温度的关系曲线、初始吸附速率曲线 ,确定了ZrV2 合金的吸、放氘热力学参数 ,给出了ZrV2 合金的吸附容量、室温吸附 (或离解 )平衡压 ,为该材料的应用提供了依
The transparent curve is used to determine the absorption capacity,as well as the relations between the COD of the disposed water and the coagulating effects,the absorption times.
通过实验确定混凝剂用量与原水水质的关系 ,选择最佳投药量与最适混凝剂 ;利用穿透曲线确定吸附容量 ,同时确定出水COD与混凝效果和吸附时间的关系 。
THE RESEARCH ON THE TRAITS OF THE ABSORPTION AND DESORPTION OF COAL TO GAS IN ALTERNATING ELECTRIC FIELD(AEF)OR SOUND FIELD(SF)
在交变电场声场作用下煤解吸吸附瓦斯特性分析
Physical adsorption depends on van der Waals forces of attraction between molecules and resembles condensation of liquids.
物理吸附取决于固体吸附剂和被吸附物的分子间的范德瓦耳斯力。
Study on Eliminating the Trace Amount of Chloride in Gas Oil Using Adsorption Means;
常顶瓦斯油吸附法脱除微量氯的实验研究
Experimental Research on Moisture Effects on the Gas Absorption Speciality of Coal;
水份对煤的瓦斯吸附特性影响的实验研究
Experimental Study on Influence of Surfactant on Gas Adsorption and Desorption Performance of Coal
表面活性剂影响煤体瓦斯吸附解吸性能的实验研究
The existing mine gas in coal bed occurs mostly in the free state,the adsorption state and the dissolved state.
瓦斯气体在煤储层中的赋存状态主要有游离态、吸附态和溶解态。
Study on low-concentration methane disposal at upper corner based on PSA
基于变压吸附原理的上隅角低浓度瓦斯处理技术研究
The application of Span80 in methane absorption and explosion suppression material
Span80在瓦斯吸收抑爆材料中的应用
CONFORMATION AND PERFORMANCE OF ADHESIVE PADS OF KATYDIDS (Orthoptera tettigoniidae)
螽斯吸附足垫的构造及其吸附性能分析
Study on laser absorption spectroscopy for measuring gas of mine
利用激光吸收光谱法测量煤矿瓦斯气体的研究
Research of IR-absorbing Gas Detection System Based on DSP;
基于DSP的红外吸收型瓦斯检测系统的研究
Application Research on Methane Measurement Based on Infrared Technology and Spectrum Absorption
光谱吸收式煤矿瓦斯红外检测技术的应用研究
Research on Influencing Factors of the Gas Content in the Coal Bed with the Method of Desorption
解吸法测定煤层瓦斯含量的影响因素研究
Methane Optic Fiber Sensor Network Based on Infrared Spectrum Absorption in Coal Mine
基于红外光谱吸收的煤矿瓦斯光纤传感网络
Test and Research on Gas Desorption Law of Intensive Failed Coal
强烈地质构造煤瓦斯解吸规律的试验研究
Application of the value of drilling cuttings weight and desorption index for drill cuttings to preventing coal and gas outburst
钻屑量与钻屑瓦斯解吸指标在防突预测的应用
Surface Surplus and Gibbs Adsorption Isotherm
表面过剩及吉布斯吸附等温式的探讨
Gas is escaping from the range.
瓦斯从瓦斯炉灶漏出。