Human noses have parts called membranes which help us smell. A normal smelling membrane in a human nose is about the size of a quarter. In a dog, that same membrane is much larger.

人鼻子里有个器官叫鼻隔，用于人的嗅觉。人鼻子里的正常鼻隔面积大约等同25美分硬币。对于狗，同功能的鼻隔面积要大得多。

属类：社会文化-新闻报道-

The human body routinely performs many separation and chemical releases using it’s own biological membranes .

人体使用自身的生物膜进行着大量例行的化学物质的分离与排泄。

属类：化学及生命科学-化工-化工原理与技术

A betaine commonly occurring in the liver and in skeletal muscle that functions in fatty acid transport across mitochondrial membranes .

肉(毒)碱一种甜菜碱，通常出现在肝和骨骼肌里，在脂肪酸穿过线粒体膜的运输过程中起作用

属类：综合句库--

A soothing,usually mucilaginous or oily substance,such as glycerin or lanolin,used especially to relieve pain in inflamed or irritated mucous membranes .

润滑剂，缓和剂一种起润滑作用的物质，例如甘油或羊毛脂等，通常是粘液或油状的，尤用于减轻因粘膜发炎而引起的疼痛

属类：综合句库--

Any of a group of galactose-containing cerebrosides found in the surface membranes of nerve cells.

神经节苷脂在神经细胞膜表层内存在的一组包含半乳糖的脑苷脂

属类：综合句库--

Nerve cells communicate with one another at the synapses, where their membranes almost touch

神经细胞在突触部位彼此沟通，在这里它们的膜几乎接触到一起了。

属类：综合句库--

permeable membranes ;rock that is permeable by water.

渗透膜;被水渗透的岩层

属类：综合句库--

Dialysis In chemistry, separation of suspended colloidal (see colloid)particles from dissolved ions or small molecules via their unequal rates of diffusion through pores of semipermeable membranes (e.g., parchment, collodion, cellophane).

渗析法:一种化学分离方法，利用通过半透膜微孔时扩散率的不同，分离悬浮的胶态粒子和溶于液体的离子或小分子的方法。

属类：化学及生命科学-化学-

In electric synapses, direct communication between nerve cells whose membranes are fused is possible because ions flow between the cells through channels.

生物电性突触则更直接地在神经细胞间发生。此时神经细胞间的细胞膜互相溶合，并有许多孔隙，允许带电离子通过以传导神经兴奋。

属类：化学及生命科学-医学-生理与解剖

Biological membranes are composed of two layers of phospholipid molecules

生物膜由两层D磷脂分子组成。

属类：综合句库--

Concentration by use of selectively permeable membranes is a rapidly developing technology that has found many applications in food processing.

使用选择性渗透膜浓缩是一个快速发展的技术,在食品加工中此项技术有许多应用。

属类：工程技术-食品工程-

Typically, these membranes are made from porous carbon, zirconium oxide, or alumina, although a wide range of materials are being tested.

虽然大量的材料尚处于试验阶段,但通常典型膜可由多孔碳材,氧化锆和矾土制成。

属类：工程技术-食品工程-

Look for these membranes to make an impact on the future of food separations, as the technology continues to develop.

随着技术的不断进步,我们期待这些膜会对未来的食品分离产生影响。

属类：工程技术-食品工程-

The membranes used may be those conventional in the art, for example membranes of polysulphones or cellulose acetate, either in flat membrane form, tubular form, and the like.

所用的膜与普通UF所用的膜无异,如聚砜类或乙酸纤维素的膜,膜的形式既可以是平整的,也可以是管状的或其它类似的形式。

属类：化学及生命科学-化学-

It is also encased in membranes of connective tissue called the meninges

它还被一些结缔组织的膜所包裹，这些膜叫做脑膜。

属类：综合句库--

Typically, mild acids and bases with nonionic surfactants, enzymes, and complexing agents are used to clean reverse-osmosis or ultrafiltration membranes .

通常用含有非离子表面活性剂,酶和络合剂、温和性酸和碱来清洁反渗透膜和超滤膜。

属类：工程技术-食品工程-

The outer of the two membranes around a chloroplast could be regarded as the host exclusion membranes

围着叶绿体的外面两层膜，

属类：综合句库--

Vitamin E acts as an antioxidant in body tissues and may prolong life by slowing oxidative destruction of membranes . Besides uses in foods and in nutritional research and supplements, it is used to retard rancidity in fats, especially vegetable oils.

维生素E是一种机体组织生物氧化过程的抑制剂，减慢膜的氧化，帮助延长生命活力。除在商业上被用作抗氧化剂，延缓脂肪(尤其是含植物油产品)的腐败。

属类：化学及生命科学-化学-

The second type, systemic (disseminated)lupus erythematosus (SLE), may affect any organ or structure, especially the skin (with marks like those of the discoid type), kidneys, heart, nervous system, serous (moisture-forming)membranes (e.g., in synovial joints or lining the abdomen), and lymph nodes, with acute episodes and remissions.

系统性(弥漫性)红斑狼疮可侵犯身体任何器官组织，尤其是皮肤、关节、肾、心、淋巴结及浆膜(如关节滑膜、腹膜)。本病的病程以各种不同程度的急性发作和缓解为其特征。

属类：化学及生命科学-医学-

Cellulose Acetate The first commercial membranes for reverse osmosis and ultrafiltration were made from cellulose acetate.

纤维素醋酸酯第一个商业用反渗透膜和超滤膜是由纤维素醋酸酯制成。

属类：工程技术-食品工程-

Cellulose acetate reverse-osmosis membranes must be stored, when not in use, in a solution (sodium metabisulfite)that prevents microorganism growth.

纤维素醋酸酯反渗透膜不用时必须贮存在一种溶液中,以防微生物生长。

属类：工程技术-食品工程-

Enough information is available to infer that membranes serve in coordination

现有足够的资料表明，膜起着协调作用。

属类：综合句库--

Smaller molecules pass through these membranes more easily than larger ones, allowing separation based on molecular size.

小分子要比大分子更易通过膜,因此分离是依据分子的大小

属类：工程技术-食品工程-

Chloroplasts and mitochondria are both relatively large bodies, surrounded by membranes , as is the cell itself

叶绿体和线粒体都是比较大的实体，它们被一层膜包着，象细胞本身一样。

属类：综合句库--

Since water is one of the smallest molecules found in foods, concentration is easily accomplished using membranes with appropriate molecular weight cutoffs.

因为水是食品中的最小的分子,所以使用截留分子量适当的膜就可以完成浓缩。

属类：工程技术-食品工程-

Since chlorine cleaners and sanitizers are commonly used in the food industry, the sensitivity of cellulose acetate membranes to chlorine has caused significant problems in cleaning and sanitation of membrane operations.

由于在食品工业中常用到氯清洁剂和消毒剂,而纤维素醋酸酯膜对氯的敏感性已在膜的清洁和消毒操作中产生了严重问题。

属类：工程技术-食品工程-

Due to the inert nature of the composite materials, membranes made from these materials have a wide range of operating conditions(temperature, pH).

由于这些复合材料具有惰性,所以由它们制成的膜具有应用范围广的操作条件(温度、pH值)。

属类：工程技术-食品工程-

They may be soluble (those in egg yolk and blood plasma)or insoluble (those in cell membranes )in water and water solutions.

有的可以溶解于水和水溶液(在蛋黄和血浆中的)有的则不能溶解(在细胞膜中的)。

属类：化学及生命科学-化学-

Feed material is fed to one of the membranes and pressure applied.

在膜的一侧进料并施加压力。

属类：工程技术-食品工程-

Membranes provide a convenient means of separation in the food industry where other higher temperature methods may impair the intermediate ingredients, or final food product’s quality.

在食品工业，由于其它高温的方法会破坏中间体的成分或者最终产品的质量，而膜技术则为此提供了合适的分离方法。

属类：化学及生命科学-化工-化工原理与技术