需要有一种新方法求取气源岩的产气率.How to get gas hydrocarbon generation of a source rock?在许多调味品种,检出大肠杆菌,芽样芽孢杆菌, 产气荚膜梭状芽胞杆菌和沙门氏菌.Coliforms , B . cereus , C . porringers, and Salmonella species have been detected in most spices.互生培养促进了酵母茵...
By the time he's twenty he'll know everyone worth knowing in Washington.到20岁时，他就会认识华盛顿所有值得认识的人。The storms had abated by the time they rounded Cape Horn.他们绕过合恩角时，暴风雨已经减弱。Scott was obviously inebriated by the tim...