常見例句雙語例句Objective: To observe the efficiency of Potassium Iodicle to treat patients with syphilitic sero-fixation.目的:觀察碘化鉀治療梅毒血清固定的臨床療效。Laboratory incubation experiments in constant temperature were implemented to study influence of humic-acid and fulvic-acid on fixation and release of potassium in cultivated brown soil.通過室內(nèi)等溫培養(yǎng)試驗,研究了施用富里酸和胡敏酸對耕地棕壤鉀素釋放和固定作用的影響。The characteristic of Potassium fixation and release of the key paddy soils derived from different parent materials was studied by an simulation experiment and chemical methods.本文通過室內(nèi)模擬和化學方法研究了廣東幾種不同母質(zhì)發(fā)育的水稻土的鉀素的固定與釋放特性。 返回 potassium fixation