根据辐射在介质中的传输是按指数规律衰减的波盖耳定律和实际测试情况，提出了规范的消光系数测试步骤和计算方法。
In terms of the transmission of the radiation at the mediums, which following the Bougver laws of the index rules attenuation and the realistic measure…
清洗：检查或更换磨损的阀门阀瓣，断开控制管线，采用钝工具和锤打阀盖凸耳从阀体上旋下阀盖。
To CLEAN: Inspect or replace worn valve disc, disconnect control pipe and unscrew bonnet from valve body using blunt tool and hammer on bonnet lugs.
利用热力学第一、二定律和玻意耳定律，同时导出了焦耳定律、盖。 吕萨克定律和查理定律。
The three laws including Joule law, Gay-Lussac law and charles law are simultaneously worked out by use of first , second law of thermodynamics and Boyle law.
应用推荐