The cell
membrane is selectively permeable to ions and molecules.
细胞膜对离子和分子具有选择透过性。
The lipid bilayer of the cell
membrane provides a barrier to outside substances.
细胞膜的脂质双层构成了一道对外来物质的屏障。
Membrane proteins play a crucial role in transporting nutrients across the cell
membrane.
膜蛋白在细胞膜上运输营养物质中起关键作用。
The cell
membrane is constantly being maintained and repaired by the cell itself.
细胞膜由细胞自身不断维护和修复。
Endocytosis involves the invagination of the cell
membrane to engulf particles from the extracellular environment.
内吞作用指细胞膜凹陷以吞噬细胞外环境中的颗粒。
The cell
membrane acts as a control system, regulating what enters and exits the cell.
细胞膜起到调控作用，控制物质进出细胞。
Membrane lipids can be modified by various enzymes to alter their function.
膜脂质可以通过多种酶进行修饰，改变其功能。
Ion channels in the cell
membrane allow specific ions to pass through at certain voltage levels.
细胞膜上的离子通道允许特定离子在特定电压下通过。
The tight junctions between epithelial cells help to maintain the integrity of the cell
membrane.
上皮细胞之间的紧密连接有助于保持细胞膜的完整性。
Membrane transporters facilitate the movement of molecules across the cell
membrane without changing their chemical structure.
膜转运体促进分子在不改变其化学结构的情况下穿过细胞膜。
In a strategic partnership with Ballard Power Systems Inc, a Canadian company specializing in hydrogen fuel cell products, Sinyuan will provide bipolar plates, a critical component of proton exchange membrane fuel cells, to fulfill Germany's Siemens Mobility GmbH's order for 14 200-kilowatt fuel cell modules from Ballard.
在与加拿大巴拉德电力系统公司（Ballard Power Systems Inc）的战略合作伙伴关系中，新源将提供双极板，这是质子交换膜燃料电池的关键部件，以满足德国西门子移动有限公司（Siemens Mobility GmbH）从巴拉德订购的14个200千瓦燃料电池组件。
When the air drag reduction system is operational, a huge ship filled with more than 16,000 TEUs will be lifted by the air membrane like a hovercraft to minimize the resistance of seawater to the vessel, which is also key to its excellent environmental performance.
当空气减阻系统投入运行时，一艘满载16000多个标准箱的巨轮将像气垫船一样被空气膜吊起，以最大限度地减少海水对船只的阻力，这也是其卓越环保性能的关键。
The cell generates power to drive the bike once its proton exchange membrane receives hydrogen from the hydrogen storage device.
一旦质子交换膜从储氢装置接收到氢气，该电池就会产生动力来驱动自行车。
CRCC has formed strategic partnerships with these enterprises in the areas of design, steel structures, membrane materials and electromechanical equipment among others, it said.
中国铁建已与这些企业在设计、钢结构、膜材料和机电设备等领域建立了战略合作伙伴关系。
China Petroleum and Chemical Corp said on Monday that the company's first proton exchange membrane (PEM) hydrogen production demonstration station was launched and put into use in its affiliated Yanshan Petrochemical.
中国石油化工集团公司周一表示，该公司首个质子交换膜制氢示范站已在其下属的燕山石化启动并投入使用。
The company, also known as Sinopec and the world's largest refiner by volume, said that the proton exchange membrane electrolyzer, the core component of the demonstration station, has a hydrogen production efficiency of more than 85 percent, and its anode and cathode catalysts, bipolar plates and other key material components are all self-developed.
该公司也被称为中石化，是世界上产量最大的炼油厂。该公司表示，示范站的核心部件质子交换膜电解槽的制氢效率超过85%，其阳极和阴极催化剂、双极板和其他关键材料部件都是自研的。
The ZIRFON separator membrane is another Agfa product worth noting.
ZIRFON分离膜是另一个值得提及的Agfa产品。
The station will adopt the advanced technology of the proton exchange membrane (PEM) pure water electrolysis for hydrogen production, and will build the first set of megawatt-level water electrolysis for hydrogen production device in China, with plans to equip production devices for high-quality hydrogen and 70 Mpa hydrogenation units.
该站将采用先进的质子交换膜（PEM）纯水电解技术进行氢气生产，并将建设中国首套兆瓦级水电解制氢装置，计划配备高品质氢气生产和70兆帕加氢单元。
Customers are rushing to purchase every single roll of cellulose nitrate membrane right off the production lines at Sartorius' headquarters in Germany, because in the worldwide race against coronavirus every minute counts.
With Sartorius' cellulose nitrate membrane as one of the key components, Mr. Xu's customers, around 100 manufacturers in China, are dedicated to manufacturing lateral flow test kits for coronavirus diagnosis, not only for China, but also the entire world.
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