The results show that service level has positive and significant influence on firms margin, industry concentration ration hasn't significant influence on margin.
结果表明：单店销售额和零售服务水平对毛利润率的偏效应显著为正，产业集中度对毛利润率的影响不显著。
Prepared with this combination, the enzymic protein expression, enzyme activity and activity ration are significantly higher than other treatments of concentration and time.
此技术组合生产的酶蛋白的表达量、酶活性和比活性，均显著高于其他浓度和时间的处理。
Conclusion: Underway nutritional ration can effectively help increase exercise tolerance, maintain blood sugar level, decrease serum urea concentration, and therefore resist fatigue.
结论：航渡营养口粮能有效地提高小鼠机体运动耐力，维持血糖水平，降低血清尿素氮浓度，抗疲劳。
The average plasma urea concentration has decreased and its variation was more smooth after feeding the ration containing Starea than urea.
与尿素日粮相比，动物采食含糊化淀粉尿素日粮后外周血液尿素浓度有所下降，且动态变化也相对平稳。
The results show that the residual resistance ration relates not only to the aging temperature and the impurity concentration of the metal, but also to the aging time.
结果表明：金属铍的剩余电阻比不仅与时效温度和金属内杂质的浓度有关，而且受时效时间的影响；
The results show that the residual resistance ration relates not only to the aging temperature and the impurity concentration of the metal, but also to the aging time.
结果表明：金属铍的剩余电阻比不仅与时效温度和金属内杂质的浓度有关，而且受时效时间的影响；
应用推荐