If the membrane filtration technique is unsuitable, use the Direct Inoculation of the Culture Medium method under Test for Sterility of the Product to be Examined. 如果膜過濾技術是不適合的，則使用在供試產品無菌檢查法項下的培養基直接接種法。
Though being a quality control method frequently applied in clinical laboratory,Grubbs Test can easily lead to the phenomena of false pos and false neg. 哥拉布斯檢驗法在臨床實驗室中是一種較常用的質控方法。
Thereby, it will provide an important theoretical foundation for the design of the production and technological parameters in the process of the test on the spot of the UCG. 從而在煤炭地下氣化現場試驗過程中，為生產和技術參數的設計，提供了重要的理論依據。
