速率

In situ recirculation model was used and the concentration of nobiletin in the perfusate were determined by HPLC.

川陈皮素微乳在空肠的吸收速率最快，吸收速率常数Ka为(0.5298±0.0507)h-1；川陈皮素胶束在空肠段的吸收显著低于微乳组(P.05)。

UV and HPLC were used to determine the concentrations of phenol red and cilnidipine.

结果如下：西尼地平在十二指肠、空肠、回肠、结肠的吸收速率分别为2.05±0.01、1.95±0.01、1.96±0.01、1.82±0.01h~(-1；不同药物浓度5、10、15μg·mL~(-1)时在各肠段的吸收速率常数分别为2.25±0.01、2.24±0.01、2.24±0.01h~(-1；不同pH值6.4、7.2、7.9时分别为2.23±0.01、2.24±0.01、2.21±0.21h~

Instruments used in the study included a photometer, a phonometer, a V8 camera, a heart rate monitor, a respiration monitor, and a blood oxygen saturation monitor.

研究先后测量新生儿加护病房原有包布覆盖状态，包布覆盖保温箱上方、后方和侧边1/3处及移除包布，三个情境保温箱内光线照度、音量、早产儿的心跳速率、呼吸速率及血氧饱和度。

At the same time, the velocity of forming electron-hole pair is more than that of complex and so the photocurrent increases.

这主要是由于它们本身是半导体，也可产生电子-空穴对，并产生的速率大于通过复合中心复合的速率，从而增大光电流。

Methomyl, fipronil, tebufenozide and imidacloprid resulted in slow photodecomposition of rotenone in aqueous solution revealing a photo-extinction effect, chlorpyrifos, ethiofencarb, cypermethrin and tetramethrin made the photolysis of rotenone in aqueous solution fast showing an obvious photosensitized effect.

室内条件下研究了鱼藤酮水溶液存在不同杀虫剂时，鱼藤酮的紫外光降解，结果表明：灭多威、氟虫腈、虫酰肼和吡虫啉使鱼藤酮在水溶液中的光解速率下降，表现出明显的光猝灭降解效应；毒死蜱、杀虫单、氯氰菊酯和胺菊酯使鱼藤酮在水溶液中的光解速率加快，表现出光敏化降解效应。

The rate constants and efficiencies of photolysis for PAHs were not related to the original concentration of An and Ch.

对蒽和光解速率的比较分析表明，多环芳烃光解速率常数与受光解物质的结构特性有关。

Photorespiratory rate and the ratio of photorespiration to photosynthesis were significantly different among the three types, but net photosynthetic rate was not significantly different with the mean of the whole growth period.

3种氮效率类型水稻全生育期的平均光呼吸速率和相对光呼吸存在极显著差异，但平均净光合速率在3种氮效率类型的水稻中差异不显著。

Under field conditions, the effect of spraying NaHSO3 on photosynthesis rate, photorespiration rate and nitrogen metabolism of wheat at reproductive stage were studied.

在盆栽条件下，研究喷施亚硫酸氢钠（NaHSO3）对小麦生殖生长时期光合速率、光呼吸速率及氮素代谢的影响。

In the whole growth period, the genotype of high nitrogen use efficiency had low photorespiratory rate and the ratio of photorespiration to photosynthesis, while low nitrogen use efficiency had high photorespiratory rate and the ratio of photorespiration to photosynthesis.

从整个生育期看，氮利用效率高的水稻光呼吸速率较低，其相对光呼吸较小；氮利用效率低的水稻光呼吸速率较高，其相对光呼吸较大。

In addition, net photosynthetic rate, transpiration rate and stomatal resistance are affected by various environmental factors.

叶片的净光合速率、蒸腾速率及气孔阻力在整个生长季受到多个环境因子的共同影响。

And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.

同时，论述了一体化管理体系构建中的几个主要问题，包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。

Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.

运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。