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Then, with a Bunsen burner, the surface is thoroughly seared. 然后，用本生灯彻底烧灼表面。
Then, with a Bunsen burner , the surface is thoroughly seared. 然后，用本生灯彻底烧灼表面。
If your Bunsen burner ignites, your biogas generator is a success! 如果您的本生灯燃烧，产生的沼气是一种成功！
You will hear Miss Wang give instructions on how to use a Bunsen burner. 你将听到王小姐给出如何正确使用煤气灯的说明。
Heat fixation is performed by the rapid passage of the air-dried smear two or three times over the flame of the Bunsen burner. 热固定是将空气中乾燥的抹片快速地在本生灯火焰上通过二或三回。
He believed that one should never learn from a book what one could learn from a beaker, flask, or Bunsen burner. 他相信，学生从书本上是无法学习到那些在操作烧杯、烧瓶和煤气灯中学到的内容。
Have a friend squeeze the Mylar balloon gently while you attempttolight the Bunsen burner with a match orsparkigniter. 有一个朋友挤薄膜气球缓缓而您试图点燃本生灯的比赛或火花点火。
First, open the clamp or valve so that biogas can flow back from the balloon to the Bunsen burner. 首先，打开钳或阀，使沼气可以回流从气球的本生灯。
A 20 mm high blue Bunsen burner flame is applied to the free end of the specimen for 30 second and then removed. 一个20mm高蓝色本生灯火焰燃烧试片未固定之一端30秒钟然后移开。
Bunsen:German chemist who pioneered in spectrum analysis and codiscovered the elements casium and rubidium. He introduced the Bunsen burner in 1855. 本生:德国化学家,是光谱分析领域的先驱,与人合作发现了铯和铷两种元素。1855年发明了本生灯。
German chemist who pioneered in spectrum analysis and codiscovered the elements casium and rubidium.He introduced the Bunsen burner in1855. 本生，罗伯特威廉1811－1899德国化学家，是光谱分析领域的先驱，与人合作发现了铯和铷两种元素。1855年发明了本生灯
German chemist who pioneered in spectrum analysis and codiscovered the elements casium and rubidium. He introduced the Bunsen burner in1855. 本生，罗伯特·威廉1811－1899德国化学家，是光谱分析领域的先驱，与人合作发现了铯和铷两种元素。1855年发明了本生灯
And you need torches using oxygen to get hot enough - a regular Bunsen burner or even a "MAPP" gas blowtorch from a hardware store is not hot enough. 并且你需要使用氧喷枪来获得足够的热量--普通的气焊不顶用。
Bunsen: German chemist who pioneered in spectrum analysis and codiscovered the elements casium and rubidium. He introduced the Bunsen burner in1855. 本生:德国化学家,是光谱分析领域的先驱,与人合作发现了铯和铷两种元素。1855年发明了本生灯。
He also invented the earliest form of the device that was to become the Bunsen burner, which is used almost universally in science laboratories as a convenient source of heat. 他还发明了早期的本生灯装置，几乎所有的实验室都使用它作为最便利的热源。
Bunsen burner:a small laboratory burner consisting of a vertical metal tube connected to a gas source and producing a very hot flame from a mixture of gas and air let in through adjustable holes at the base. 本生灯:一个很小的实验室用灯,由一个竖立的金属管与一个进气源相连而成,通过由底部可调节孔进入的空气与气体混合可产生温度十分高的火焰。
But under a new reform, history will become optional, letting budding scientists retreat behind their Bunsen burners untroubled by the cold war or anti-colonialism. 在这一项新的改革中，历史变成了非强制性的，这使得那些初露头角的小科学家们可以不用理会冷战和反殖民主义而自由的沉浸在他们自己的发明中。
Then, with a Bunsen burner, the surface is thoroughly seared 然后，用本生灯彻底烧灼表面。
When Bunsen Burners, gas appliances or chemicals are to be used, all air-conditioner should be switched off and exhaust fans switched on.The windows of these special rooms should be left open. 在使用本生灯或化学品时，应关掉所有空调设备，开动排气扇，并打开所有窗户。
The monk burned a stick of incense in the incense burner. 和尚在香炉里焚上一柱香。