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毛主席在最高国务会議中所提出的全国农業發展綱要草案第八条中指出:“保护和繁殖牲畜,改良畜种,發展国营牧場,在七年或十二年内,在一切可能的地方,基本上消灭危害牲畜最严重的病疫”。为了实现这一条綱要,我们对防止和治疗牲畜疾病的化学药品有加以重視和大力發展的必要。二苯駢对噻嗪(Phenothiazine,俗称龙香末,亦有譯作硫化二苯胺者)是一种治疗牲畜的寄生虫的有效药品,在国外尤其是苏联已应用很广,茲將其制法摘要介紹于后,以供有关方面参考。二苯駢对噻嗪系將相当量的二苯胺和硫黄作用而得。
In Article 8 of the draft National Outline for Agricultural Development put forward by Chairman Mao in the highest state conference, it states: "Protection and breeding of livestock, improvement of livestock breeds, and development of state-run grazing lands, in all possible places within seven or twelve years Basically eliminate the most serious diseases that harm livestock. In order to achieve this outline, we need to attach importance to and vigorously develop chemical products for the prevention and treatment of animal diseases. Phenothiazine (Phenothiazine, commonly known as dragon citron, also known as diphenylamine sulfide) is an effective drug for the treatment of livestock parasites. It has been widely used in foreign countries, especially in the Soviet Union. Introduced later for reference by relevant parties. Diphenylhydrazine is derived from the effect of a considerable amount of diphenylamine and sulfur on thiazines.