环丁砜在地面水中最高容许浓度的研究

作者对地面水中不同浓度的环丁砜进行了系统实验研究与现场调查。结果表明,环丁砜对水臭觉的实际阈浓度为10.6mg/L,对水的生化需氧过程无明显抑制作用,慢性毒性阈剂量为2.5mg/kg,最大无作用剂量为0.25mg/kg,无诱变性,280mg/kg无致畸性。据此,作者建议地面水中环丁砜的最高容许浓度为5mg/L,结合现场调查,认为该浓度是安全可行的。     

九种混合胆汁酸的薄层光密度定量分析

近年来,胆汁酸定量研究的兴起及其在消化系统疾病研究中的重要意义已引起不少学者的关注,并得到证实。而胆汁酸测定方法的研究由来已久,主要有气体层析法(GC),气液层析—质谱法,酶促反应—萤光法,放射免疫、酶联免疫分析法,以     

THE EFFECT OF ACUPUNCTURE ON THE PHAGOCYTIC ACTIVITY OF HUMAN LEUKOCYTES

To study the effect of acupuncture in treatmentof infectious diseases, 66 adult patients in the wardsof general surgery were given acupuncture once dailyfor 3 days after operation.Of 40 patients with ma-lignant tumors, 20 received acupuncture and 20 serv-ed as controls.Of 26 patients with inflammatorylesions,17 received acupuncture, and 9 served ascontrol.Acupoints used were Zusanli(St 36)sup-plemented by Neiguan(P 6)or Sanyin1jiao(Sp 6)ac-cording to the type of operation.It was shown that,