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- phosphorus release kinetics 磷释放动力学
- OBJECTIVE:To study the release kinetics and releas e mechanisms of ethylcellulose solid dispersion granules and tablets. 目的:研究乙基纤维素固体分散物颗粒及片剂的释放动力学及释放机制。
- Larger water-soil ratio, higher temperature and weak acidity or weak alkalinity can accelerate the phosphorus release. 在高水土比、高温、浸泡水呈微酸或微碱条件下有利于受淹土壤磷的释放。
- Biological N-P removal involves in processes such as nitrification, denitrification, phosphorus release and uptake. 就氮磷脱除而言,一般需涉及硝化、反硝化、微生物释磷和吸磷过程。
- Objective: To prepare the dextromethorphan oral sustained-release suspensions and study the in-vitro release kinetics. 目的:制备右美沙芬树脂口服缓释混悬液,并考察其释药特性。
- When DO<1 mg/L, the cooperation of the displacementand reduction happens, and the phosphorus release of the sediments speeds up greatly. 溶解氧小于1mg/L,发生了置换作用与还原作用的协同作用,底泥中磷的释放速度大大加快;
- Abstract: The phosphorus release and absorption of surficial sediments in Taihu Lake was studied under simulative disturbing conditions. 摘 要: 利用恒温震荡器构筑的模拟扰动环境,研究了太湖水-沉积物界面的磷释放和吸附行为。
- Optimal estimates of the model parameters were obtained by minimizing the difference between model simulation and experimentally measured drug release kinetics. 对模型参数的最佳评价通过最小化模型模拟和实验测定间的药物释放动力学差别来获得。
- Objective To study the release kinetics of theophylline from the hydroxypropyl methylcellulose (HPMC) matrix tablets in vitro release test. 目的研究以羟丙基甲基纤维素(HPMC)为基材的茶碱片剂在体外溶出的动力学规律。
- The research is helpful to our understanding of effects of Vallisneria asiatica on the environment of water and the possible diurnal variation of phosphorus release in sediment. 试验结果为进一步研究沉水植物对水体中环境因子影响的日变化特征和影响机理,以及底泥磷释放可能存在的日变化具有一定的参考价值。
- Lu W L,Wang J G,Cao Y P,Zhang F S.Kinetics of phosphorus release from soils,as affected by organic acids with low-molecular-weight[J].Acta Pedologica Sinica,1998,35(4):493-499. [4]陆文龙;王敬国;曹一平;张福锁.;低分子量有机酸对土壤磷释放动力学的影响[J]
- Xu Gj Sunada H Influence of foumulation change on drug release kinetics from hydroxypropylmethylce Uulose maltrix fablets[J].Chem Pharm Bull 1995,43(3):483. 董志超;蒋雪涛.;羟丙基甲基纤维素性质对药物亲水性骨架片溶出度的影响[J]
- A recirculating flume simulated experiment was carried out to estimate phosphorus release properties and infection in different layers of flooded soils. 采用土槽模拟实验研究了淹水土壤不同土层磷释放特征及影响因素。
- Haiyun Fan,Alekha K.Effect of cross-linking on the vitro release kinetics of doxorubicin from gelatin implants[J].International Journal of pharmaceutics,2001,213:103-116. 贠军;姚若全;王延;等.;纤维蛋白胶对乳腺癌术后伤口积液的预防作用研究[J]
- Effects of macrophyte on water quality and environment have been well studied, but few report on its diurnal variation, which might have potential implications on the phosphorus release from sediment. 在实验室模拟条件下,研究了沉水植物苦草对水体中环境因子影响的日变化特征。
- OBJECTIVE To prepare the Panax Notoginseng Saponines (PNS) bioadhesive tablets,and to study their release kinetics and bioadhesive tablets force to rabbit small intestine in vitro. 目的研制三七总皂苷生物黏附片,考察其体外释药动力学、对离体肠黏膜的黏附力。
- The effects of environmental factors,such as physical perturbing,microbial activity,temperature and incubation time,on phosphorus release from the sediments of eutrophic rivers were studied. 以总磷、溶解性总磷、正磷酸盐含量等3个指标研究了物理扰动、微生物活性、温度和培养时间等4种环境因素对富营养化河道底泥磷释放的影响。
- The Study on Phosphorus Release From Submarine Soil 受淹土壤中磷的释放研究
- net contents of phosphorus release 磷净释放量
- phosphorus release under anaerobic condition 厌氧释磷