吸水率
- 网络water absorption;moisture absorption;Absorption
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发泡有强韧而独立的发泡连接,吸水率在25%以内。具有防潮、抗渗性能。
Foam has a robust and independent foam connection , water absorption in less than 25 % . impermeability .
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利用1H-NMR、FT-IR、特性粘数测定,吸水率和水降解测试等方法对共聚物的组成结构和降解性能进行研究。
The copolymers were characterized by means of1H-NMR , FT-IR , the water absorption , hydrolytic degradation and the inherent viscosity .
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正确控制吸水率和pH值可使分离抽提率达到90%。
The extraction rate would reach 90 % when the hydroscopic rate and pH was exactly controlled .
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这种止血海绵的含水量是8&10%,pH值为6,5,吸水率为200%。
The porotic hemostatic sponge , with pH 6.5 and water of 8 % , has a moisture absorption rate of 200 % .
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吸水率、渗透性高于通用薄膜PP、CPP;
The water-absorbed rate and the permeating rate were higher than general plastics PP and CPP .
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ZrO2对堇青石多孔陶瓷吸水率和显气孔率的影响
Effects of Water Absorption and Porosity of ZrO_2 on Cordierite Porous Ceramic
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高性能轻骨料(HLA)具有独立的微小球形气孔,强度高而吸水率低,即使在真空或压力条件下,吸水率仅为5%;
? High performance lightweight aggregate ( WA ) has disconnected spherical pores , low water absorption and high compressive strength .
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不同浸渍时间对辐照后杨木气干密度、24h吸水率的影响
Effects of a Different Dipping Time to Air-dry Density and 24-hour Water Absorption by Irradiation MMA into Poplar
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乳胶膜的吸水率降低,且在浸泡48h后已基本趋于饱和。
The degree of water absorption reduced , and tends to be saturated over 48h .
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由于纳米硅酸盐片层的阻隔作用,EVA/MMT-ODA+AUA纳米复合材料的吸水率比EVA低。
The water absorption of EVA / MMT-ODA + AUA nanocomposites was lower than that of EVA due to barrier effect of the silicate layers .
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UHMWPE的吸水率非常低,辐照交联和VE掺杂都会进一步降低其吸水率。
Water absorption of UHMWPE is very low , irradiation crosslinking and VE doping would further reduce its water absorption .
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研究结果表明:将PA6、PP和PP-g-MAH共混解决了PA6干态下的冲击强度低,吸水率大的问题,但拉伸强度、弯曲强度等力学性能较PA6有所下降。
The results showed that although addition of PP and PP-g-MAH improve impact behavior and lowers absorption , but the mechanical properties decrease .
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探讨了DS对溶解度、膨胀率、吸水率、透明度、冻融稳定性、抗凝沉性和黏度热稳定性的影响。
The solubility , swelling power , clarity , freeze-thaw stability , retrogradation and the stability of the viscosity that could be affected by DS were discussed .
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考察了PVA含量对共混膜成膜性、吸水率、溶胀度、离子交换容量、热稳定性、离子传导率及力学性能的影响。
The effects of PVA content on membrane preparation , water uptake , swelling degree , IEC , thermal stability , ionic conductivity and mechanical strength were all investigated .
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研究结果表明大豆蛋白质分离抽提率与整粒大豆水合过程中的吸水率Q和制浆用水的PH值有关。定量地找出了它们的关系。
The results showed that the extraction rate of soybean protein was related with the hydroscopic rate Q in the hydration process of whole soybean and the pH of the water which was used to produce soybean paste .
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论文对质子交换膜的吸水率、离子交换能力(IEC)、甲醇渗透率、质子传导率、热稳定性以及化学稳定性等性能进行了测试与表征。
Properties like water uptake behavior , ionic exchange capacity ( IEC ), methanol permeation , proton conductivity , thermal stability and oxidative stability of the membranes were characterized .
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以溶液共混法成功制备出壳聚糖水杨酸盐-明胶共混膜。用FT-IR、XRD、SEM表征了其结构,并测试了其吸水率、力学性能及抑菌性能。
Chitosan salicylate gelatin blend films were prepared by the solution method , and characterized by FT IR , XRD , SEM , percent water absorption , measurements of mechanical properties and antifungal activity .
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随着水含量的增加,SPI塑料的拉伸强度会降低,断裂伸长率先增后降,但对其吸水率影响不大。
With the increase of water content , tensile strength decreased , and elongation increased first , but then decreased . It had little effect on its water absorption .
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本试验研究了两种有机硅基粉料对砂浆体积密度、吸水率、3d强度的影响,为降低抹灰砂浆吸水率和提高墙体抗渗性能提供解决方法。
This paper presents the influence of two kinds of organic silicon powder on volume density , water absorption and 3d strength of mortar . Also offers some suggestion to reduce the water absorption of finishing mortar and improve the impermeability of wall .
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研究了工艺条件、DMPA用量和乙二胺(EDA)用量对乳液稳定性及涂膜硬度、附着力和吸水率的影响。
The effects of reaction conditions , DMPA content and EDA content on emulsion stability , hardness , adhesion and water absorption of the coating film were discussed .
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研究了PSS在不同溶剂中的溶解性和PSS薄膜的吸水率、接触角。
Their sulfonation level had the effect on the solubility in several solvents . The water absorption and the contact angle of PSS with water were studied by means of their films .
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通过测定样品的吸水率、气孔率、体积密度及热膨胀系数等,并配以XRD,SEM等测试手段,系统研究了其合成工艺。
The synthesizing process of the cordierite was systematically investigated and the sample properties of water absorption , porosity , density , thermal expansion coefficient , etc . were tested and the microstructure characteristics were observed by XRD , SEM .
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通过研究复合材料的层间剪切强度(ILSS)、吸水率和界面破坏机理研究复合材料的界面粘结性能。
The interfacial adhesion of composites were evaluated by interlaminar shear strength ( ILSS ), the water absorption and the composite fracture mechanism .
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XPS自2000年我国境内第一条生产线投产以来,由于其独特的绝热性能、低吸水率和较高的生产效率,市场占有率快速上升,并据有一定的开发潜能。
After the first production line of XPS was set up in China , the market occupancy went up quickly and some potential was found due to its special heat insulation property , low water absorption and high productivity .
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甘油增塑的SPI塑料的性能较好,随着甘油含量的增加,SPI塑料的拉伸强度降低,断裂伸长率增加,吸水率也增加。
The mechanical properties and water resistance of glycerol plasticized SPI plastics were good . With the increase of glycerol content , tensile strength decreased and elongation at break increase , water absorption also increased .
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通过直接共混法制备了PA66/PP/POE-MAH合金,性能测试表明PA66/PP/POE-MAH合金的常温及低温缺口冲击强度较原PA66有较大提高,而吸水率则明显下降,同时拉伸强度变化不大。
PA66 / PP / POE-MAH alloy was prepared by directly blend . The mechanical properties and the rate of water absorption of the alloy were determined and characterized .
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本文首次将纳米d-HA与PLA共同与BCP多孔支架复合,使支架具有较好的较好的孔隙率和吸水率和较强的类骨磷灰石生成能力。
In this paper , nano d-HA is first induced in the porous PLA / BCP composite to have good water absorption and bone-like apatite forming ability .
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试验结果表明,ZH溶液相比于常用的憎水溶液和防水涂料,能非常明显地降低页岩陶粒的吸水率,并且使用简单、成本低廉。
Compared with the commercial hydrophobic solutions and waterproof paints , the solution ZH has the best effect on reducing the water absorption of expanded shale .
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结果表明,活化、再生条件均为慢升温至200℃恒温1h,在RH20%下吸水率可达8.3%。
The proper conditions of activation and reactivation are both heating it slowly to 200 ℃ and keeping it at that temperature for 1 h. The vapor adsorption rate of it at relative 20 % is 8.3 % .
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随着木纤维含量的增加和长度的增大,WPCs的吸水率增加,力学性能降低。
With the increasing of the content and length of wood fibers the moisture absorption of WPCs increased while the mechanical properties decreased .