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after opening the autoclave, hydrogen sulfide with the smell of rotten eggs was detected by lead acetate paper, as well as small spherical droplets attached on the black powder could be observed.

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hitlby: ½ð±Ò+5, ¡ï¡ï¡ïºÜÓаïÖú, ¶àл 2013-08-27 08:43:15
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hitlby: ½ð±Ò+15, ·­ÒëEPI+1, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸, ¶àл 2013-08-27 08:43:06
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Besides the smell of rotten eggs and sight of round droplets on the black powder, presence of hydrogen sulfide could also be confirmed by testing with lead acetate paper.

sight and smell = (Ö÷¹Û)²é¾õ
confirm by testing = (¿Í¹Û)ÑéÖ¤

"as well as" Á½±ßÒªÇó¶Ô³Æ... ÕâÀï²»ÒËʹÓÃ
3Â¥2013-08-27 06:48:07
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,and .........could also be observed.
4Â¥2013-08-27 08:17:43
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