Initial pressure of mixture gas greatly affects the methane gas ignition and explosion process.
初始压力是矿井瓦斯爆炸的发生和传播过程中的一个重要影响因素,本文研究了初始压力对于瓦斯混合气体的最低点燃温度、可燃上限的影响,并根据质量、动量、能量守恒原理,推导建立了考虑初始压力p0时的爆轰参数计算公式,计算出煤矿巷道不同初始压力下的爆轰参数,分析瓦斯混合气体的初始压力p0对于瓦斯爆轰各个参数的影响。
Through analyzing and exploring a large number of tests and literature data, this paper sums up several impacting factors of dust explosion development in closed container including mainly dust density, initial pressure, oxygen content, container shape, turbulent, etc.
通过对大量实验及文献数据的分析和探讨 ,总结出密闭容器中粉尘爆炸发展的诸多影响因素 ,主要包括粉尘浓度、初始压力、氧含量、容器形态以及湍流度等 ,并得出相应的结
The initial pressure and resistance to the tensile strengh at the interface are considered.
本文给出了模拟结构分缝张开和闭合的有限元模型，该模型可以模拟缝面初始压力、抗拉强度的影响，且具有形成方便，适用范围广等优点；文中导出了非线性有限元的计算公式，编制了相应的非线性有限元程序，并对两个块体接触问题和一个分缝拱肋结构的非线性动力响应进行了计算，研究了不同接缝参数、不同初始压力及基座是否设缝对结构非线性响应的影响，给出了有关结论。
Hydraulic fracturing initiation pressure models for directional wells in naturally fractured formation;
天然裂缝地层斜井水力裂缝起裂压力模型研究
Effect analysis of perforating parameters upon initiation pressure in low permeability reservoir
低渗透储层射孔参数对起裂压力的影响
It is important for fracturing design and operation to determine hydraulic fracturing initiation pressure and mode.
根据天然裂缝产状和地层地应力状态,建立了水力裂缝3种起裂方式的起裂压力计算模型,给出了水力裂缝起裂方式和起裂压力的判别方法。
The paper discussed the initial pressure of collapisible loess,subgrade treatment plan,fill thickness choice etc.
湿陷性黄土存在范围广,对公路工程建设有较大影响,对湿陷起始压力进行研究,对地基处理方案、填土厚度选择有着重要的指导意义。
This article focuses on discussing the structure characteristic of this device,the impacting factors for initiating bursting pressure precision and the methods to promote initiating bursting precision.
5系列焊接拉伸型爆破片装置具有结构紧凑、起爆压力调节方便等优点,因而被大量应用于石油和天然气钻采设备上。
On the Influence of Initial Pressure on Natural Gas Hydrate Formation in a Porous Medium
初始压力对多孔介质中气体水合物生成的影响
Combustion Characteristics of Hydrogen-Enriched Natural Gas Under Various Initial Pressures
不同初始压力下掺氢天然气的燃烧特性
Influence of Initial Pressure on Flame Propagation Characteristics of Natural Gas-Hydrogen-Air Mixture
初始压力对天然气-氢气-空气混合气火焰传播特性的影响
An energy method for calculate borehole pressure under decoupled charging
不耦合装药条件下炮孔初始压力计算的能量方法
Benefit of this modified shape is that the expansion around the first corner reduces the initial pressure coefficient on the frustum to low values.
这个改进的外型的优点是绕第一角点的膨胀会把截锥上的初始压力系数减少到很低的值。
Numerical Analysis of the Pressure Relief Effect on Slot at Different Initial Stresses
初始应力对缝槽卸压效果影响的数值分析
Influence of initial stress of thin pressing parts on welding hot cracking susceptivity
薄壁冲压件初始应力对焊接热裂纹敏感性影响
Effects of initial defects to the limit load of pressure cylinder shell
初始缺陷对耐压圆柱壳结构极限承载力的影响
Influence of Testing Media on Primary Bubble Point Pressure of Metallic Fiber Felt
介质对金属滤毡初始气泡点压力的影响
Solution to initial horizontal stress and lateral earth pressure coefficient at rest by flat dilatometer tests
扁铲侧胀试验求解初始水平应力和静止侧压力系数
The incipient yield pressure of the cylinder is gained by analyzing the experimental data.
通过对该实验数据的分析得到了圆筒的初始屈服压力。
In 1571 as an ex-bailiff he began another year of office as chief alderman.
能够顶住事业初期的压力的人，始终值得尊敬，也有资格成功。
COMBUSTION CHARACTERISTICS OF NATURAL GAS AT VARIOUS INITIAL TEMPERATURE AND PRESSURE
天然气在不同初始温度和压力下的燃烧特性研究
Some New Analytical Results for Plastic Buckling and Initial Post-Buckling of Plates and Cylinders Under Uniform Compression
均布压力作用下板和柱面塑性屈曲和初始后屈曲的分析结果
Inititial excess pore-water pressure developed during single pile driving
单桩沉桩引起的初始超孔隙水压力及其消散的计算
The residual strain is the additional shear strain created with the increase of pore pressure due to cyclic shear under initial shear stress.
残余应变是由于周期剪切引起孔隙压力增长,在初始剪力作用下产生的附加的剪应变.
Meanwhile, the application fills initialization files with driver names, port assignments, and other details that ease the programmer’s burden.
在这个期间，程序用驱动程序名、端口分配和减轻程序员压力的其他细节填充初始化文件。
The results show that the initial parameters and thepressure difference between outer and inner surface of the hollow jet play adominant role on the shape of the liquid jet.
结果表明，旋流喷嘴的初始参数和空心射流内外表面压力差是决定射流形状的主要因素。