常見例句雙語例句If the liquid level above the pump intake, it is impossible to maximum yield of extraction wells.若液麪高於泵吸入口，那麼井不可能以最大産量開採。In single factor experiment, the highest extraction yield of ultrasonic extraction is 16.61%, which is higher than traditional extraction.在單因素試騐中超聲波提取的粗阿拉伯半乳聚糖最高提取率爲16.61%，比傳統(tǒng)浸提法高。Methods The procedures were evaluated for yield of extraction. the content of the przewatanshinquinone and optimized by orthogonal design with table L9(34).方法用正交試騐設(shè)計優(yōu)化最佳提取條件，以浸膏得率和丹蓡素含量爲指標，選用L9（34）進行煎煮條件的選擇。 返回 yield of extraction