experiments have shown there to be no harmful effects from chronic exposure to acetylene at high concentrations.
实验显示慢性接触高浓度乙炔没有有害影响。
tests showed that acetic acid wastewater, when mixed with acrylic fiber wastewater in any proportion, exerted no harmful effects on the operation for the acrylic fiber wastewater treatment plant.
试验表明将腈纶废水与醋酸废水按任意配比混合,都不会对腈纶污水处理场的运行产生任何不利的影响。
professor walker says straw takes in carbon dioxide as it grows. so it can be seen as having no harmful effects on the environment.
沃克教授说,稻草能在生长过程中自行吸收二氧化碳,因此对于环境无任何负作用。
acetylene is a simple asphyxiant and anesthetic. experiments have shown there to be no harmful effects from chronic exposure to acetylene at high concentrations.
乙炔是简单的窒息物和麻醉剂。实验显示慢性接触高浓度乙炔没有有害影响。
conclusion:lgocaa could promote the restoration of the wound's surface of the animals with experimental traumas, and had no harmful effects on bacterial infection.
结论:复方氨基酸脂质凝胶能促进实验性创伤动物创面修复,对细菌感染无不良影响。