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surface coatings
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  生物膜
     Effect of ionic strength in solution on Pb~(2+) and Cd~(2+) adsorption to surface coatings
     溶液离子强度对自然水体生物膜吸附Pb~(2+)和Cd~(2+)的影响
短句来源
     It was found that the amount of Cd~(2+) adsorption to surface coatings was affected by Pb~(2+) significantly, while the influence of Cd~(2+) on Pb~(2+) was almost negligible when Pb~(2+) and Cd~(2+) coexisted.
     此外,研究还发现当Cd2+与Pb2+共存时,Pb2+对生物膜吸附Cd2+的能力有较大影响,而Cd2+对生物膜吸附Pb2+的能力的影响并不显著。
短句来源
     0.1 mol·L~(-1) HNO_3,30%H_2O_2,85 ℃ in water bath for suspended particulate and sediments and 0.02 mol·L~(-1) HNO_3,30%H_2O_2,24 h for surface coatings to remove organic get better effect.
     lL-1HNO3,30%H2O2,85℃水浴5 h萃取沉积物和悬浮颗粒物中有机质,0.02 mo. lL-1HNO3,30%H2O2振荡24 h萃取生物膜中有机质;
短句来源
     Separation and Determination of Mn~(2+) in Natural Surface Coatings with Single-Column Ion Chromatography
     单柱离子色谱法分离测定自然水体生物膜中的Mn~(2+)
短句来源
     Biosorption of Cd~(2+) by the organic components of surface coatings in natural waters
     自然水体生物膜有机组分对Cd~(2+)的吸附特征
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  表面涂层
     In this paper we report some experimental results of laser heat treatment on surface coatings of grey cast iron, 10# and 20# steel using a transversely-excited flowing kW CO2 laser.
     介绍用千瓦横流二氧化碳激光器对灰铸铁、10~#钢和20~#钢表面涂层进行热处理所得到的实验结果。
短句来源
     The Method of Ultrasonic Thickness Measurement for Surface Coatings Materials Based on Spectral Analysis
     基于功率谱分析的表面涂层厚度超声无损测量方法
短句来源
     This papcr studies the effects of microwave processing on the mixture of magnesium oxychloride cement before moulding,the optimum proccssing methods and the microwave curing after moulding,as well as the technology for microwave solidified surface coatings.
     本文研究了氯氧镁水泥混合料成型前微波处理的作用,最佳处理制度.成型后的微波养护以及微波固化表面涂层的工艺。
短句来源
     Preparation and Characterization of Chemical Vapor Deposited Dense SiC Surface Coatings
     CVD SiC致密表面涂层制备及表征
短句来源
     The bionic design is a new method for the design of surface coatings.
     仿生涂层设计是表面涂层设计中的一种新方法。
短句来源
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  表面覆盖层
     INFLUENCE AND CALCULATION OF SURFACE COATINGS ON CARBONATION OF CONCRETE
     表面覆盖层对混凝土碳化的影响与计算
短句来源
     Application of nano-technology to surface coatings
     纳米技术在表面覆盖层中的应用
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  “surface coatings”译为未确定词的双语例句
     Trends of the development of the surface coatings industry
     涂料工业的发展趋势
短句来源
     Adsorption data of Cd to surface coatings whose amount ranged fromone piece to five pieces was obtained in MMS solutions with thedifferent Cd original concentration (2.0μmol·L-1 and 3.5μmol·L-1).
     L-1 和3.5μmol?
短句来源
     When the coverage of one coat of sealer is 60 g/m2,primer 100 g/m2,and top coat 120 g/m2 respectively,the abrasion of surface coatings is the best.
     当封闭底漆的每遍涂布量为60 g/m2、底漆的每遍涂布量为100 g/m2和面漆的每遍涂布量为120 g/m2时,漆膜具有较好的耐磨性。
短句来源
     Surface coatings and the concealment technology
     涂料与隐身技术
短句来源
     Bending Stiffness Analysis of Structure with Surface Coatings
     镀膜材料结构的弯曲刚度分析
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  surface coatings
The effect of various surface coatings on the rate of variation of MCT film electrical properties was investigated.
      
Antireflecting surface coatings with continuously varying complex refractive index
      
Using these methods MDI- and TDI monomer concentrations have been determined in 55 chemical products: sealing waxes, insulating- and adhesive foam, hardener, primer, adhesives and surface coatings.
      
Surface coatings are also important in capillary electrophoresis in order to control electroosmotic flow and to suppress adsorptivity for analyte molecules.
      
The results show that the stress in a coated tool can significantly be reduced compared to uncoated cutting tool, possibly due to surface coatings improving the tribological properties of cutting tools.
      
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The possibility of the development of Fe-Mn-Al austenitic steels has been investigated with special attention paid to the effect of Mo, W, Ti, V, Cr or Si on the stability of austenite, their high-temperature strength and tonghness, as well as their resistance to oxidation and corrosion.It was found that two alloys have good tensile and stress-rupture properties comparable to those of high Cr-Ni bearing steels such as 257 Ti and one alloy has oxidation resisting property similar to that of 13% Cr steel. However,...

The possibility of the development of Fe-Mn-Al austenitic steels has been investigated with special attention paid to the effect of Mo, W, Ti, V, Cr or Si on the stability of austenite, their high-temperature strength and tonghness, as well as their resistance to oxidation and corrosion.It was found that two alloys have good tensile and stress-rupture properties comparable to those of high Cr-Ni bearing steels such as 257 Ti and one alloy has oxidation resisting property similar to that of 13% Cr steel. However, their corrosion resistance is rather poor and this seems to be the main objection for them to be used as high-temperature steels. Cladding and surface coating are suggested as possible remedies.Some of the alloys have low magnetic permeability and high impact values at-178℃, thus enabling them to be considered as potential non-magnetic and low-temperature steels.

配制了30个不同成分的鋼种,对Fe-Mn-Al系奥氏体鋼,进行了成分、組織結构、性能方面的研究。在研究的成分范围內,找出了奥氏体区与成分的經驗关系;观察了成分及組織結构对高低溫瞬时力学性能、持久强度、时效性能、抗氧化性能等的影响;得到了在650℃持久强度相当于257T的实驗鋼种,并初步确定了在Fe-Mn-Al系中发展出耐热鋼种的最可能成分范围。指出了在实驗鋼种A2的基础上,发展出无磁钢及低溫鋼的可能性。

Sliding wear tests of several wear protection coatings are carried out during mixed lubrication.The coefficient of friction f and the coefficient of wear k show that the behaviour of adhesive wear of nitriding coating, especially of boriding coating,is satisfactory,while the chromizing coat- ing and nickelizing coating are subject to adhesive wear and as a conse- quence cease to be in effect.In general,the carbide coating of chemical vapour deposition resists wear.But these surface coatings have a high...

Sliding wear tests of several wear protection coatings are carried out during mixed lubrication.The coefficient of friction f and the coefficient of wear k show that the behaviour of adhesive wear of nitriding coating, especially of boriding coating,is satisfactory,while the chromizing coat- ing and nickelizing coating are subject to adhesive wear and as a conse- quence cease to be in effect.In general,the carbide coating of chemical vapour deposition resists wear.But these surface coatings have a high roughness,which causes violent wear in the matched test pieces.If the matching pieces are not allowed great wear,these coatings have to be processed after plating.They could not put into use until the decrease of roughness.Judging from the wear curve,the initial roughness on the surface affects chiefly the abrasion resistance of the wearing pair at the stage of running-in,having little influence on the abrasion resistance of the wearing pair at the stage of stability.

在混合摩擦条件下对几种耐磨保护层进行滑动磨损试验,根据其摩擦系数 f 和磨损系数 k 值表明,渗氮层,特别是渗硼层的抗粘着磨损性能好,而镀铬层和镀镍层较易产生粘着磨损而失效。化学气相沉积的碳化物镀层一般很耐磨,但这些表面层镀后的粗糙度较高,会使与之相配的试件受到剧烈磨损。如果配对件不允许有较大的磨损,则这些镀层应经过镀后加工,降低粗糙度后才可使用。从磨损曲线来看,表面初始粗糙度主要影响摩擦副的跑合期中磨损量,对其稳定期影响不大。

The paper presents friction and wear behavior of a polymer solid lubricating film ( CKD-31 dry film), with the matrix of thermal oxidized polyethylene, the effects of film thickness, sliding speed, operating period and load on friction and wear have been investigated with a MHK-500 ring-block tester.A remarkable improvement on the shooting accuracy of the bullet for the spot gun of 5.6mm has been resulted from the application of this film as a surface coating of the bullet.

本文报导了以热氧化聚乙烯为基础的高分子固体润滑膜(CKD-31干膜)的摩擦磨损性能。用MHK-500型环块磨损试验机考察了这种膜的厚度、滑动速度、摩擦时间、作用载荷对其摩擦磨损性能的影响。介绍了这种膜用作国产5.6mm运动步枪弹表面涂层可明显地提高该弹的射击精度。

 
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