And the maximum explosion pressure and maximum rate of pressure rise vary approximately linearly with the concentration.
最大爆炸压力和最大压力上升速率随粉尘浓度的增加而线性增加。
For explosion process of gas cloud in closed vessels, flow field parameters, such as pressure, velocity, density, temperature, concentration and so on, vary with time and space.
对于球形密闭容器内气云的爆炸过程,压力、速度、密度、温度、浓度等流场参数均随时间、空间而发生变化。
The decrease gradient of the peak displacement at the center of plate increases as the foam thickness, fuel-air concentration(i. e. explosion load size) increases to some extent.
在一定程度上,随着泡沫铝厚度、油气浓度(即爆炸荷载大小)的增加,降低板中心点处位移峰值的幅度也随之增加。
In the meantime, the concentration of the combustible gas and the number and distributive location of fire source have influence on the gas explosion propagation seriously.
同时指出参与爆炸的瓦斯量、瓦斯气体浓度和火源个数及分布位置对瓦斯爆炸传播有重大影响。
The dust concentration and velocity of turbulence have significant effects on the level of explosion and measurement of the minimum ignition energy of dust clouds.
粉尘浓度和湍流速度对粉尘爆炸猛烈程度和粉尘云最小着火能的测试有很大影响。
Critical oxygen concentration for explosion is decided by a new triangle illustration method.
爆炸时的临界氧浓度,则需用另一种三角形图示法予以确定。
The relations between the maximum explosion pressure, the maximum quantity of draw-off heat and coal dust concentration, methane concentration were calculated.
分别推导出粉尘爆炸放热量和最大爆炸压力与煤尘浓度、甲烷浓度等影响因素的关系。
Poisonous and harmful smoke flow with a certain volume, temperature, concentration and density will be generated during explosion in a coal mine.
当煤矿井下发生爆炸时会产生一定体积、温度、浓度及密度的毒害烟流。
An ion chromatography method with suppression-conductivity detection has been developed for the detection of residuary chlorate in the soil after explosion with a high concentration of nitrate.
本文建立了离子色谱-抑制电导检测测定含有高浓度硝酸根的爆炸尘土中残留氯酸根的方法。
To dilute gas concentration, most coal mine use local fan ventilate, and decrease the possibility of fire damp explosion.
当前国内一般采用局部通风机进行矿井通风,以稀释瓦斯浓度,消除煤矿事故隐患。
The maximum explosion pressure and the maximum pressure rising rate reach their extreme values when about 1.1 times of chemical measured concentration of the fuel components.
最大压力及其上升速率在燃料组分化学计量浓度的1.1倍左右达到最大值。
The utility model provides the delivery duct for low concentration gas, which can effectively prevent explosion without damaging the duct.
本实用新型提供一种在不损害管道情况下,可有效防止爆炸的低浓度燃气输送管道。
Methane explosion accidents occur frequently, and accurate and real-time detection and early warning of methane concentration are the effective means of preventing these accidents.
瓦斯爆炸事故频繁发生,对瓦斯浓度进行准确、实时检测和预警是治理瓦斯危害的有效手段。
Stress concentration from explosion excavation of dam base surface and effect from explosion were the lithology conditions of intensive unloading and relaxation of dam base rock.
坝基面爆破开挖的应力集中和爆炸作用影响是坝基岩体卸荷松弛强烈的岩石力学环境条件。
The former equipment system of gas explosion experiment is improved. The gas explosion experiments are made by the high speed photography in the different concentration of gas in the air.
改进已有的瓦斯爆炸实验系统,采用高速摄影法进行了不同浓度瓦斯爆炸实验。
The temperature T_0 is called critical explosion temperature, at which the condensed phase and its vapor come to a balanced state, and the concentration of the combustible vapor comes to LEL.
“临爆点”是可燃物凝聚相与其蒸汽处于平衡状态时,可燃物的饱和蒸汽压为LEL值时的温度(T_0)。
The LEL of a gas is the minimum concentration of that gas in air at which an ignition source will cause an explosion.
气体的LEL是指用火源使空气中的该气体爆炸的最低气体浓度。
At the same time, electrostatic discharge generated sparks can ignite flammable in the bag filter dust, dust concentration reaches a certain line when the explosion may occur.
同时,静电放电产生的火花能引燃袋式除尘器中的可燃粉尘,当粉尘浓度达到一定界线时还可能发生爆炸。
The model could also be used to the mine gas explosion experiments with the same geometry, the same concentration and different volume.
此预测模型可以应用到几何成比例、浓度相同、不同体积的矿井瓦斯-空气混合气体爆炸超压预测。
The model could also be used to the mine gas explosion experiments with the same geometry, the same concentration and different volume.
此预测模型可以应用到几何成比例、浓度相同、不同体积的矿井瓦斯-空气混合气体爆炸超压预测。
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