1) irradiation velocity
放散速度
1.
By using automatic gas release velocity test equipment,determinating coal gas irradiation velocity in the least burst pressure adsorption condition in the lab,and combining tectonic coal gas irradiation mathematic model,gas irradiation feature of tectonic conclusion was drawn.
通过研制的自动化瓦斯放散速度测试仪器,在实验室测定了最小突出压力吸附下煤的瓦斯放散速度,并结合构造煤瓦斯放散的数学模型,得出构造煤的瓦斯放散特征。
3) transient diffusion velocity
瞬时放散速度
1.
Index(V_(1)) of gas transient diffusion velocity at the least outburst is adduced firstly in this paper,i.
首次提出最小突出压力下瓦斯瞬时放散速度指标V1,即最小突出压力下吸附后向常压空间放散时第1 s的放散速度。
4) initial speed of methane emission
瓦斯放散初速度
1.
In this paper,a quadratic relationship between the initial speed of methane emission and the temperature difference was obtained by theoretical analysis as well as experimental research on initial speed of methane emission of coal sample at various temperatures under the same experimental condition.
通过理论分析及在同一试验条件下,对不同温度下的煤样进行瓦斯放散初速度实验研究,得出了瓦斯放散初速度和温度差值存在着二次项关系,且温度越高瓦斯放散初速度越小。
5) velocity divergence
速度散度
6) diffusion velocity
扩散速度
1.
And finally,imaging formulas were given with diffusion velocity and all time a.
利用导电全空间与均匀半空间中心回线源和磁偶极子在阶跃电流激发下磁场公式和扩散速度的定义 ,导出了不同条件下瞬变场的扩散速度公式。
2.
Through analyzing the factors of influencing the ability of mudstone caprock stopping gasdiffusion, we think that the diffusion velocity is an important parameter for evaluating the ability.
通过对影响泥质岩盖层阻止天然气扩散能力因素的分析，认为扩散速度是评价泥质岩盖层自身阻止天然气扩散能力的重要参数。
3.
The results show that: Fe-based powder metallurgy with chromium has high reaction rate and diffusion velocity in gas nitro-carburizing.
结果表明:含Cr铁基粉末冶金有很高的气体氮碳共渗反应速度和扩散速度,渗层组织为化合物层+扩散层,相组成主要为α相和γ′相。
补充资料：放散
（烟、气味等）向外散开。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条