目的研究电流强度对盐酸丁卡因离子导入凝胶的渗透速率的影响。
OBJECTIVE to investigate the effect of current on drug transdermal iontophoresis flux of jel.
目的:通过对凝胶剂经皮渗透速率的比较,优化二乙胺水杨酸凝胶剂处方。
OBJECTIVES: To optimize the formulation of diethylamine salicylate gel by comparative study on transdermal osmotic rate.
而初始时间(或去钝时间)的确定则取决了结构防护程度及有害介质离于的渗透速率。
The initial corrosion time may be decided by structural protection degree and penetration rate of corrosive agents.
重点探讨在不同水压力作用下,毛细孔半径对混凝土渗透速率和渗透深度的不同影响。
The different influences of the capillary radius to the permeating speed and depth of concrete under different water pressure were investigated.
目的研究和克服胰岛素在电致孔下经皮传输过程中在皮肤中的滞留,提高胰岛素的经皮渗透速率。
OBJECTIVE To investigate the entrapment of insulin in skin via electroporation, diminish the entrapment and enhance the transdermal delivery of insulin.
天然类促进剂单用时,2%薄荷醇和5%桉叶油促透效果较佳,但平均渗透速率约为8%氮酮的一半。
Although 2% menthol crystal or 5% eucalyptus oil was effective as a natural penetration enhancer when used alone, the average penetration rate reached only half of that of 8% azone.
采用液体闪烁法测定氚的经皮渗透行为,以氚经皮渗透速率的变化作为离体皮肤屏障功能的评价指标。
The skin barrier function was estimated by the change of tritium penetration rate as the index.
结论:离子导入可以显著提高药物渗透速率,增渗倍数(ER)随着电流强度的增加而增加,但与药物浓度无关。
CONCLUSION: Iontophoresis increased the flux of drug obviously. The enhancing rate (ER) correlated closely to the current intensity, but had is no relationship with drug concentration.
该研究证实了渗透调节物质可促进体细胞胚的诱导:添加甘露醇或山梨醇后,由于细胞内物质积累,愈伤组织生长速率减慢。
The study confirmed the infiltration of regulators can promote the induction of embryonic cells: Add sorbitol or mannitol, due to accumulation of material within cells, callus growth rate slowed down.
对于低渗透致密岩石的物性参数,由于流体流动速率很小,采用常规的岩心分析方法难以测量和解释。
Owing to a small fluid flowing rate, it is difficult to measure and interpret the physical parameters of low permeability tight rocks by use of conventional core analysis method.
指出低渗透无烟煤煤层气产气速率主要受裂隙中气体流动的限制。
The gas producing speed of super lower permeability Anthracite seams is mainly confined by gas flow in the fractures.
高tmp会导致较快的膜渗透通量下降速率,并且形成更加密实的滤饼层。
Higher TMP results more rapid flux decline rate and form a more compact cake layer.
计算结果表明,膜的渗透性和冷却速率是影响细胞体积收缩的主要因素。
The results indicate membrane permeability and cooling rate are main factors that affect the cell shrinkage.
在蒸汽泡沫微观渗流研究的基础上,研究了温度、气液比、气液速率、残余油饱和度以及渗透率对蒸汽泡沫封堵能力的影响。
The influence of temperature, gas-liquid ratio, gas-liquid rate, residual oil saturation and permeability on steam foam sealing ability is studied on the basis of microscopic percolation study.
研究表明,水平向渗透系数和加载速率对复合地基固结有重要影响。
It is shown that the consolidation process of the composite ground is much more affected by both horizontal permeability coefficient and loading rate.
实验研究了滤饼渗透率的变化规律及测定方法,认为用恒定滤失速率表示滤饼渗透性是较好的方法。
It is proposed that constant filtration rate can be used to evaluate the permeability of filter cakes.
入渗深度与降雨量和降雨强度之间存在线性关系,土壤渗透能力随土壤剖面初始含水量的增加而减小,土壤稳定入渗速率的时间趋于缩短。
The infiltration rate is intensively affected by rainfall intensity, and there exists a linear relation between the depth of infiltration and precipitation and rainfall intensity.
本文还得出了渗透压型鼓泡边缘的扩展速率和腐蚀产物体积膨胀型鼓泡的临界弯曲力矩。
Brim spreading velocity of osmotic pressure blister and critical bending moment of volume expansion blister were computed.
方法:以裸鼠皮肤为实验屏障,测定黄芩苷渗透裸鼠皮肤的速率常数。
METHODS: the transdermal constants of baicalin via nude mouse's skin were determined, and the effects of stratum corneum on the kinetics studied.
结果水透膜的速率远小于片芯中药物的溶出速率及岩白菜素渗透泵片的释药速率;
RESULTS The influx of water that passed the osmotic pump tablet was greatly less than the drug dissolution rate from tablet core and the bergenin release rate.
以盐酸维拉帕米为模型药物,制备了口服渗透泵片。通过考察渗透泵片体外释药各过程的速率,研究口服渗透泵制剂释药的基本过程及其特性。
The main processes of the drug delivery of oral osmotic pump system were studied to investigate its delivery characteristics, with verapamil hydrochloride as the model drug.
结果表明,1生理盐水饱和液阳极导入时的透皮速率是被动扩散的2.3倍,阴极导入时药物的透皮速率是其被动扩散的45%,说明电渗作用明显促进了分子型药物1的经皮渗透;
The results showed that percutaneous fluxes of 1 in pH7.4 phosphate buffer solution with anodal and cathodal iontophoresis were 230% and 45% of that of the passive diffusion flux respectively.
结果表明,1生理盐水饱和液阳极导入时的透皮速率是被动扩散的2.3倍,阴极导入时药物的透皮速率是其被动扩散的45%,说明电渗作用明显促进了分子型药物1的经皮渗透;
The results showed that percutaneous fluxes of 1 in pH7.4 phosphate buffer solution with anodal and cathodal iontophoresis were 230% and 45% of that of the passive diffusion flux respectively.
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