A plastic membrane serves as selective diffusion barrier.
一层塑料薄膜起着选择性渗透屏障的作用。
The invention discloses a cutting method of plastic membrane roll, belonging to a cutting method of plastic membrane.
本发明公开了一种卷绕后的塑料薄膜卷的分切方法。
Shanghai Shenjiang Plastic Membrane Co. , Ltd is a professional multi-purpose manufacturer as one of production, processing and marketing.
上海申江塑料薄膜有限公司是生产、加工、销售为一体的专业制造多用途塑料薄膜企业。
But DNA from hair is very clean because it has been encapsulated in keratin, a kind of plastic membrane that protects the hair and the DNA.
但从头发提取的DNA就非常干净，因为它有角蛋白包裹，角蛋白是一种塑胶薄膜可以保护头发和DNA。
The recyclable PE plastic membrane used in agriculture will largely become biodegradable and continue to be used everywhere in the rural areas.
PE塑料农膜，可回收的PE 塑料农膜被堂而皇之的成为可降解薄膜，继续在农田里四处使用。
The best is double plastic membrane cover, although more expensive than plastic covering layer higher, but the heat preservation effect is good.
最好是覆盖双层塑膜，虽然成本比单层塑膜覆盖高些，但保温效果较好。
This article introduces a method to determine the plastic membrane tensile modulus by using a normal mart electron tensile testing machine and computers.
文章介绍了一种利用普通的智能电子拉力试验机配以计算机来计算塑料薄膜拉伸弹性模量的方法。
The paper studied the effects on increasing soil temperature, soil moisture content and peanut yield by the way of covering water-osmosis plastic membrane.
试验研究了花生田使用渗水地膜后的保水、增温效应，以及它的增产效果。
As the improvement of the invention, the raw material of the plastic membrane also comprises 10 to 25 weight portions of metallocene catalyst for liner low density polyethylene.
作为本发明的改进，所述塑料薄膜的原料还包括按重量计的10 ~25份用于线性低密度聚乙烯的茂金属催化剂。
The utility model discloses a multifunctional soil preparation machine, including suspension bracket, working component, transmission device and plastic membrane covering device.
本实用新型公开了一种多功能整地机，其包括悬挂架、工作部件、传动装置及覆膜装置。
He showed that the contents of the fat cell flowedacross the membrane and into the extracellular space (Plastic and Reconstructive Surgery, vol 110, p 912).
他证明，脂肪细胞的内容溢出这层膜，进入细胞外的空隙（《整形美容外科》，110卷，912页）。
The effect and resilience rule of the plate's plastic deformation and membrane force on the stress state and deformation state are discussed.
主要讨论板壳成形过程中的结构性问题，探讨板料塑性变形、板内膜力对应力状态和变形状态的作用以及回弹规律。
Judging from nature of emboli, 305 cases were mucus, 4 cases were milk valve, 22 cases were white membrane of plastic bronchitis.
黏液脓性栓子305例，奶瓣栓子4例，塑型支气管炎的白色膜状物22例。
Since normal plastic theory is too complex, the membrane theory and the semi-membrane theory are adopted to establish the equilibrlm equations in plastic limit analysis.
鉴于有矩理论的复杂性，本文在作极限分析时，采用了无矩理论和半无矩理论的平衡方程分别作为中短壳和长壳的平衡方程。
Osmosis involves the selective movement of water from one side of a membrane (a plastic film that looks similar to cellophane) to the other.
渗透也就是水从膜的一边有选择性的通过另一边。
It is a developing tendency to use polyethene plastic waterproof membrane as main structure in tunnel waterproof and water drainage.
以聚乙烯塑料防水板为主要防水结构的复合式防排水系统是隧道防排水设计与施工的发展趋势。
The plates exhibit three different critical conditions: bucklin'g, plastic incipience and plastic collapsing. The conditions are defined by three kinds of critical equivalent membrane strains.
通过引入三种临界等效膜应变，对屈曲、塑性和塑性失效三种临界动力状态进行了定义，根据定义获得了每个试件的临界值。
It is also applied in printing on circuit boards, liquid crystal displays screens (LCD), solar energy panels, membrane switches, membrane panels, all sorts of metal and plastic nameplates.
广泛应用于各种线路板、液晶显示板、太阳能电池板、薄膜开关、薄膜面板、各种金属、塑料标牌的丝印。
This paper investigates one of the failure modes of suspension membrane structures-plastic tensile collapse of the membrane.
本文对悬膜空间结构的一种破坏模式——膜的塑性拉伸失稳破坏进行探讨。
The test paper strip mainly comprises a sample pad, a binding pad or a binder release pad, an analyzing membrane, a water absorbing pad and a plastic back plate.
其结构主要包括：样品垫、结合垫或结合物释放垫、分析膜、吸水垫和塑料背板。
The conventional extracorporeal circuit, membrane oxygenator and fitting hard plastic shell venous reservoir was used in both groups.
两组均采用常规体外循环回路、膜肺式氧合器及与之配套的硬塑静脉贮血室。
The application includes membrane of membrane pump, impeller, piston, leather of piston, wearable ring and liner of pump and plastic binder applied to industrial repair.
隔膜泵隔膜、叶轮、活塞、活塞皮碗、泵的衬里、抗磨环及用于工业修补剂的塑料粘结剂。
It might be convinced that the wear of diamond membrane resulted from "plastic deformation crackle particle peeling".
金刚石薄膜磨耗机理是“磨损变形—裂纹—磨屑形成”。
Packaging: the membrane plastic bag of inside lining, wrap up the braided bag of fibre outside, net weight is 50 kilograms.
包装：内衬薄膜塑料袋，外包钎维编织袋，净重50千克。
The composite membrane can be directly and thermally laminated onto the plastic and rubber foaming materials, so that the production cost is low and the production efficiency is high.
本实用新型的复合膜可以直接热贴合在橡塑发泡材料上，使得生产成本低，而且生产效率高。
The invention can carry-off membrane stress, which improves the binding force of thin film and plastic rubber background.
本发明可消除薄膜应力，提高薄膜与塑胶基底间的结合力。
The membrane type biological reactor feature its increased hollow-fiber porous membrane assembly, which has adhesive layers at two ends and is packed on or inside plastic pipe by sealing bushing.
膜式生物反应器，特点是在生物反应器上增设中空纤维微孔膜组件。该膜组件两端设胶层，用封头衬套将其封装在塑料管上或管内。
The membrane type biological reactor feature its increased hollow-fiber porous membrane assembly, which has adhesive layers at two ends and is packed on or inside plastic pipe by sealing bushing.
膜式生物反应器，特点是在生物反应器上增设中空纤维微孔膜组件。该膜组件两端设胶层，用封头衬套将其封装在塑料管上或管内。
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