passive diffusion
英 [ˈpæsɪv dɪˈfjuːʒən]
美 [ˈpæsɪv dɪˈfjuʒən]
网络 被动扩散; 单纯扩散; 被动转运; 被动扩散作用; 扩散作用
双语例句
- Passive diffusion tube for detecting nitrogen dioxide
检测二氧化氮的静态扩散管 - Drugs may cross a biologic barrier by passive diffusion, facilitated passive diffusion, active transport, or pinocytosis.
主动转运或胞饮作用等方式穿越生物屏障。 - Their absorption was first-order process besides the passive diffusion mechanism, and facilitated diffusion and active transport may also take part in the transport process.
栀子苷在大鼠小肠的吸收速率随浓度的增加而减小，提示药物的吸收机制除了被动扩散外，可能有主动转运和易化扩散因素； - Decreased blood flow ( eg, in shock) may lower the concentration gradient across the intestinal mucosa and decrease absorption by passive diffusion.
血流量的减少（休克病人）以降低跨肠粘膜的浓度梯度，从而减少被动扩散吸收。 - Passive diffusion: In this process, transport across a cell membrane depends on the concentration gradient of the solute.
被动扩散在被动扩散过程中，跨细胞转运依赖于溶质浓度梯度。 - The reason may be that in fishes, drugs are eliminated mainly through the passive diffusion by renal blood vessels and gills while in mammals, through active transport by kidney.
原因可能是在鱼体内，药物主要通过肾脏血管和腮被动扩散消除，而哺乳动物则主要通过肾脏的主动转运消除。 - Application of Passive Diffusion Tube to Monitor Indoor Air Pollutants of SO_2 and NO_2
应用被动扩散管采样监测室内环境空气中的SO2和NO2 - The detector part is made up of a passive diffusion collecting chamber, high voltage static electricity, semiconductor detector, charge-sensitive preamplifier and forming circuit.
探头部分包括无源扩散氡气体收集室、高压静电收集系统、半导体探测器、电荷灵敏放大器和放大成形电路等； - Results The uptake and absorption of 9-NC were passive diffusion as the dominating process.
结果9-硝基喜树碱以被动扩散为主要方式被细胞摄取和转运。 - CONCLUSION: The mechanism of analgin nasal absorption is passive diffusion, following first order kinetics, the absorption rate constant is 0.022 19 min-1.
结论：安乃近溶液鼻粘膜吸收机制为被动扩散，吸收符合一级动力学，吸收速度常数K为0.02219min－1。 - A sampling method of passive diffusion tube for collecting formaldehyde in indoor air was established.
本文建立了被动式扩散管采集室内空气中甲醛的方法。 - The passive diffusion technique has been applied widely in western countries for monitoring and research of ambient air quality due to its merits of the low cost, simple operation and high space resolution.
被动扩散技术以其低成本、操作简单、空间覆盖率较高等优点现已在西方发达国家广泛应用于环境空气质量监测及调查研究。 - The mechanism of AM-SD absorption may be passive diffusion.
吸收机制为被动扩散。 - The nine flavonoids in Caco-2 cell culture model are absorbed through passive diffusion.
9种黄酮类化合物在Caco-2细胞模型上的吸收均为被动扩散。 - The absorption mechanism was passive diffusion and was accorded with First-order kinetics. Verapamil and Tween-80 showed effect on increasing the absorption of paeoniflorin remarkably.
吸收机制为被动扩散，符合一级动力学模式，维拉帕米和吐温-80能促进芍药苷的吸收。 - CONCLUSION Puerarin microemulsion is well absorbed at colon, the absorption is a first-order process with the passive diffusion mechanism.
结论葛根素微乳在肠道吸收呈一级动力学过程，吸收机制为被动扩散，葛根素微乳在结肠、回肠吸收较好。 - Passive diffusion monitoring technique is widely used in environment air quality monitoring because its cost is low, and it can also be arranged freely, operated simply and mastered easily.
被动扩散监测技术以其成本低、布点灵活、操作简单，易于掌握等特点在世界各地广泛应用于环境空气质量监测。 - CONCLUSION The absorption of paeoniflorin in rat ′ s intestine is a first-order process with the passive diffusion mechanism.
结论芍药苷在肠道的吸收呈现一级动力学过程，且吸收机制为被动扩散； - Conclusions The transport of hydrazine across blood-brain barrier accords with the model of passive diffusion in a membrane-limited rate.
结论肼跨血脑屏障转运属于被动扩散的膜限速模型。 - But in E grade of atmospheric condition, radial velocity of cloud cluster degenerated very slow and the vaporation of cloud cluster was not evident, which lead to LNG cloud cluster was with the heavy gas effect and was relatively difficult to enter into passive diffusion.
E级大气条件下，径向速率衰减较慢，进入被动扩散的过程非常缓慢；LNG气化过程不明显，重气效应未完全消失，不利于LNG云团的稀释和冲淡。 - Application of Passive diffusion Technology in Environment Air Monitoring
被动扩散技术在环境空气监测中的应用 - Conclusion In comparison with passive diffusion, electroporation and iontophoresis were shown to significantly increase the speed and cumulated amount of the non-ionic drug caffeine passing through the skin.
结论与被动扩散相比，电穿孔和离子导入可显著增加分子型药物咖啡因的经皮渗透速率和累积渗透量。 - RESULTS: The absorption mechanism of oxymatrine complied with the passive diffusion and first order kinetics.
结果氧化苦参碱在肠道的吸收呈现一级吸收动力学特征且吸收机制为被动转运。 - Accumulative approach of passive diffusion and resorption of soil pollutants in earworms were summarized.
总结了蚯蚓对土壤污染物进行生物富集的途径：扩散作用和摄食作用； - With the decrease of sanchinoside R_ ( 1) and ginsenoside Rg_1 concentration, the absorption rate is increased, their absorption was is first-order process, besides the passive diffusion mechanism, facilitated diffusion and active transport may also take part in the transport process.
其吸收速率随着浓度的增加而逐渐减小，药物在小肠中的吸收不呈现一级动力学过程，吸收机制除了被动扩散以外，可能还有易化扩散和主动转运； - Results The transport of leuprolide was passive diffusion.
结果游离醋酸亮丙瑞林的转运符合被动扩散的性质。 - Relying on the passive diffusion and dispersion to get access to the cancerous vasculature, nanoparticles could get into the body through intravenous injection, remain in the tissue space for a long time, and finally accumulate in the cancer cells.
治疗肿瘤时，纳米颗粒可以通过静脉注射进入肌体，主要依靠被动扩散和弥散作用渗入肿瘤的脉管系统，在肿瘤组织间隙停滞较长时间，最终导致药物在肿瘤细胞内积聚。