一层塑料薄膜起着选择性渗透屏障的作用。
目的探讨表皮渗透屏障对化妆品功能评价的影响。
Objective To study the effects of light damages of epidermal permeability barrier on cosmetics function evaluation.
这些糖蛋白物质可能是上皮渗透屏障的组成成分之一。
The glycoprotein material may contribute to the epithelial permeability barrier.
目的：建立具有正常皮肤样水渗透屏障功能的人拟表皮模型。
Objective:To establish an in vitro human pseudo-epidermis model with epidermis-like water permeation barrier function.
目的：研究不同表皮分离方法对大鼠表皮水渗透屏障功能的影响。
OBJECTIVE:To study disturbing effects of epidermis isolation methods on water permeation barrier function of newborn rat epidermis.
角质层的渗透屏障大多是由饱和脂质如神经酰胺、胆固醇和游离脂肪酸组成。
The permeability barrier of the stratum corneum is mostly formed by saturated lipids such as ceramides, cholesterol and free fatty acids.
方法采用小鼠离体皮肤作为渗透屏障，研究不同浓度氮酮对阿糖胞苷促渗作用的影响。
Methods Rats skin in vitro was applied, studying the effect of different concentrations of azone in Cytarabine ointment on drug permeation.
除此之外，凝固的组织也可作为屏障防止酸的进一步渗透(凝固性坏死)。
In addition, coagulated tissue ACTS as a barrier to further penetration of acid (coagulation necrosis).
管外高压充填防砂增液技术通过高液量和大砂量在近井地带形成大半径、高渗透的挡砂屏障；
A sand retention screen with large radius and high permeability near the wellbore can be formed by high liquid production and the large amount of sand.
目的研究兔角膜穿孔伤后血-眼屏障的改变及川芎嗪对环丙沙星在兔眼角膜穿孔伤眼内渗透性的影响。
Objective To investigate the changes of blood-ocular barrier and effect of ligustrazine on the ocular endosmosis of intravenous ciprofloxacin in rabbit eyes of corneal perforating injury.
由于这一屏障是由毛细血管壁构成，并非实质细胞，因此，脑组织的渗透性特征也不同于其他组织。
Because the capillary wall rather than the parenchymal cell forms the barrier, the brain's permeability characteristics differ from those of other tissues.
设计了双层结构可渗透反应屏障（PRB），对渗滤液污染地下水原位处理的可行性进行实验研究。
A double layer Permeable Reactive Barrier (PRB) experiment was designed to study the feasibility of in-situ remediation of groundwater contaminated by landfill leachate.
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.
它能够穿透现有铁锈而渗透进钢铁部件的细微孔隙中，从而创造了一个阻断铁锈生成的活性保护屏障。
Penetrating existing rust it further embeds into the pores of metal, creating an active barrier of protection that migrates to inaccessible areas.
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.
它可以使血脑屏障更具渗透性。
它可以使血脑屏障更具渗透性。
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