material permeance是什么意思

网络释义

用法例句

Influence of deposition parameters on transmission properties of boron carbon nitride thin films;

沉积参量对硼碳氮薄膜光透过性质的影响

The leaf gas exchange parameters,chlorophyll content and osmolytes were studied at different times.

利用不同NaCl浓度的土壤处理1年生盐桦幼苗,在不同时间分别测定叶片气体交换参数、叶绿素含量及主要渗透物质含量,以探讨盐桦的耐盐机理。

The declines of both the UF membrane flux and solute permeation coefficient,and the influence of sodium ions on the membrane performance during the ultrafiltration process of cephalosprin C sodium solution were studied.

以头孢菌素C钠盐的水溶液为对象设计实验,考察了板式膜的膜通量和溶质透过率的衰减现象,以及钠离子对膜的影响。

The compounds that make up both electrodes react with each other via the electrolyte to generate electrons.

用以制成两个电极的化学物质透过电解质互相反应，产生电子。

transport of a substance (as a protein or drug) across a cell membrane against the concentration gradient; requires an expenditure of energy.

由于浓度差异，蛋白质或药物等物质透过细胞膜在不同细胞之间传送的过程；需要消耗能量。

Materials through which no radiation is propagated are called opaque.

辐射线不能透过的物质叫不透明体。

To cause(a liquid, for example) to permeate a substance by passing through its interstices or pores.

渗透透过间隙或小孔使一种物质（如水）渗过另一种物质

X-rays can pass through some solid materials.

X射线能够透过某些固体物质。

permitting little if any light to pass through because of denseness of matter.

由于物质致密而几乎不允许光透过。

penetrate the phenomena of things to study their essence

透过事物现象研究其本质

To permeate(a porous substance)with a liquid or gas.

使浸透用水或气体穿过多孔物质

It could not pass through material impervious to water such as mica.

它不能通过云母这样的不透水的物质。

an instrument that measures the hardness of materials by penetrating them with a diamond-pointed stylus.

通过菱形触针穿透物体以测量物质硬度的仪器。

Something that is translucent or transparent.

透明或半透明的物质

a process in which one substance permeates another; a fluid permeates or is dissolved by a liquid or solid.

一种物质弥漫渗透另一种物质的过程；流体渗透或被溶解于液体或固体中的过程。

an instrument for separating substances in solution by unequal diffusion through semipermeable membranes.

通过半透膜用不平衡扩散分开物质的装置。

cause to pass through a permeable substance in order to extract a soluble constituent, as of solvents.

使有浸透性的物质通过为了提取可溶解的要素。

the process of turning some plant material into stone by infiltration with water carrying mineral particles without changing the original shape.

利用带有矿物质的液体渗透使植物物质变成石头的过程，在此过程中物质的形状保持不变。

When light is transmitted by a transparent material, there is a very complex interaction with the material.

当光穿过透明物质时，它就和物质产生很复杂的相互作用。

transport of a substance across a cell membrane by diffusion; expenditure of energy is not required.

物质通过扩散而透过细胞膜进行传输的过程；不需要消耗能量。

Compose the GPX Mimic Se-Hyaluronic Acid and Study on Its Antixoidant Activity;

谷胱甘肽过氧化物酶模拟物—硒化透明质酸的合成及其活性研究