经过测量反应前和反应后实验前后的可乐pH值发现前后酸性没有发生变化，排除了简单的碳酸反应导致这喷泉影响的想法。
Measurements of the pH of the Coke before and after the experiments showed that its acidity did not change, ruling out the idea that a simple acid-base reaction drives the fountains.
前后肢的角度协调，有足够的角度，可以提供充分的前躯伸展性和后躯驱动力。
Angulation front and rear must be balanced and adequate to give forward reach and rear drive.
脑的容量是动态的，称为神经形成或可塑性，在记忆后形成前后前当比例的路线。
The brain's capacity for dynamic states, called neuroplasticity, or just plasticity, makes tracking the circuitry behind memories a task of near-epic proportions.
为了解阿片依赖者戒毒前后的个性特征，对300例阿片依赖者戒毒前与戒毒10 ~12天后采用EPQ问卷分析。
To understand the personality analyses before and after abstaining, EPQ questionnaire were conducted in 300 patients with opium dependence before and during 10-12 days after abstaining.
文章分析了孔板的开孔率对管路最大流量、孔板前压力、孔板后压力和孔板前后压差等的影响。
The paper analyzed the influence of the orifice ratio on maximum discharge, the inlet pressure, outlet pressure, differential pressure, ect.
骨间膜、前间隔、后间隔和肌间筋膜是各骨筋膜室的分界标志，胫前、胫后动脉和胫骨外缘、腓骨前后缘是重要定位标志。
The anterior tibial artery, the posterior tibial artery, the tibia lateral border, the fibula anterior and posterior borders were important markers of localization.
中药治疗组治疗后血清VEGF含量较治疗前明显升高（P<0.01），而西药对照组治疗前后血清VEGF含量无明显变化；
The level of serum VEGF in TCDT group was higher after treatment than pretreatment (P<0.01), and there was no much change in control group before and after treatment.
方法采用前后比较的方法，对虹口区疫苗接种前(1992 ~ 1996年)与疫苗接种后(1997 ~ 2005年)腮腺炎发病情况进行分析比较。
Methods We analysized the incidence of mumps in Hongkou by means of comparing that before using MMR vaccine in 1992 ~ 1996 with that after using MMR vaccine in 1997 ~ 2005.
文中还对训练前后的隶属度函数和控制曲线进行了比较，说明训练后的效果优于训练前。
The paper compares the membership functions and the control curves before the train and after the train. It concludes that the effect after train is better than the before clearly.
由前到后的完美避震平衡由于ABP允许后避震系统在制动和非制动情况下高效率地运行，任何情况下前后冲击均会同时发生。
Perfect suspension Balance Front-to-Rear Since ABP allows the rear suspension to work efficiently in both braking and non-braking situations, the front and rear shocks can work together all the time.
结果实施意外防范监控前后，意外发生率经字2检验，P<0.05，有显著性差异，实施防范监控后意外发生率比实施前降低。
Results After implementation of preventing and monitoring accidents, accidental rate dropped significantly than before. Tested by X2, significant difference existed (P<0.05).
前处理后再进行染色和树脂整理，产品前后色差可达到4级，基本达到仿毛织物的染整效果。
Pretreatment followed by dyeing and resin finishing impart the blended fabric 4-level color difference and wool-like effects.
治疗组治疗后观察半年未见复发，与服用药物前相比较复发时间明显延长，治疗前后复发时间间隔比较存在显著差异。
There is no recurrent cases in the treating group during the six-month observation, which has the significant difference comparing with that of the group before having this drug.
前刀面与后刀面的刃磨加工是球面铣刀加工工艺中最复杂的加工模型，尤其是球面端刃的前后刀面的加工模型，是研究的热点问题。
A spatial model is established firstly for blade curves based on the research of the ball-end milling cutter for machining the complex curved surface.
分别进行治疗前与治疗后的自身前后比较和组间比较。
Comparison group 2: the same as the point injection treatment part in therapy group.
分别进行治疗前与治疗后的自身前后比较和组间比较。
Comparison group 2: the same as the point injection treatment part in therapy group.
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