通过对呼出气的检测判定环境是否有毒

在寻找新的快速、无创检测工作场所、居所或其他什么地方是否有毒、是否身处有毒的环境中,科学家们找到了一种办法,该办法需要的仅是人们的呼出气.该报告刊载在美国化学学会<环境科学与技术>上.Andrea M.Dietrich, Masoud Agah 以及他们的学生Heather Vereb 和Bassam Alfeeli 解释说,科学家们早在20 世纪70 年代末已经知道,呼出气中包含任何可能的人们在吸气中吸入的有毒物的痕迹.

Source The recipe originates in the" Explanations on Yellow Emperor's Plain Questions" (vol.3) written by Liu Wan-su（刘完素）of Jin Dynasty in 1120-1200 A.D. , carried in the Chinese Pharmacopoeia (1995 edition).*Chief Ingredients Ledebouriella root, Schizonepeta spike, Peppermint, Ephedra, Rhubarb, Mirabilite, Capejasmine fruit, Platycodon root, Gypsum, Chuanxiong rhizome, Chinese Angelica root, White Peony root, Scutellaria root, Forsythia fruit, Licorice root, Bighead Atractylodes rhizome.*Explanation Ledebouriella, Ephedra, Schizonepeta and Peppermint that relieve exogenic wind evil by means of diaphoresis are the principal drugs, Rhubarb and Mirabilite that purgate the internal Heat are the adjuvant drugs, Gypsum is cold in nature, Scutellaria, Capejasmine, Talcum, Platycodon and Forsythia clear away the Heat in Lung and Stomach, assist the function of Rhubarb and Mirabilite; Angelica, Chuanxiong, Peony nourish the blood and relieve the wind induced itching, and Atractylodes and Licorice invigorating the Spleen and removing the Dampness, and to harmonize various ingredients.*Pharmacological Effect This recipe could effectively treat acute conjunctivitis and intractable headache.*Function Dispelling Wind-evil to relieve Exterior Syndrome, removing internal obstruction, and clearing away Heat and toxic substances.*Indication Wind-cold evil in the exterior, Dampness-Heat in the interior, marked by both excess Syndrome of Interior and Exterior, manifested as chilliness, high fever, headache, dry throat, constipation, dark urine, or the initial symptoms of boils, eczema and itching, thick and greasy tongue coating, rapid pulse.