By measuring atmospheric pressure distribution in Dongrong No.
测定了矿井大气压(力)分布,设计并采用合理的均压防灭火技术方案,抑制了东荣二矿16#煤层工作面煤柱自燃,确保了十七层三面支架的顺利回撤。
In order to clarify the effect of the atmospheric pressure on the heat and moisture transfer within hygroscopic fabrics, based on the improved sorption rate equation and the Darcy's law, an analytical model is proposed.
为了模拟多孔织物内复杂的热湿传递过程,为不同大气压(力)条件下服装的热湿舒适性设计提供理论基础,从织物内热湿传输机理角度出发,建立了考虑大气压(力)影响的织物热湿传输耦合模型,比较了常压下的理论预测和实验结果,通过数值算例考察了大气压(力)对织物热湿特性的影响。
By taking a duo-membrane box as a sensing component for atmospheric pressure,a micrometric optical fiber displacement sensor was employed to inspect deformation of membrane box with air pressure changing to avoid the defects in inspecting deformation,or improve and optimize performances of the sensors.
改变光纤探头到膜盒反射面的初始间隔,实现气压测量区间位置的变化,进一步优化光纤探头的结构参数,可以拓宽大气压(力)的测量范围。
Exploration and application on atmosphere pressure in ancient China;
中国古代对大气压(力)的探索和利用
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