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plating     
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     Investigation on Plasma Load Characteristic and Pulsed Bias Power Supply of Arc Ion Plating
     电弧离子的等离子体负载特性与脉冲偏压电源研究
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     The Fundamental Research on Surface Modification of Pure Titanium and Titanium Alloy Using Plasma Ion Implantation and Multi-arc Ion Plating
     等离子浸没注入和多弧离子对纯钛及钛合金表面改性的基础研究
短句来源
     Feasibility and Mechanism of Electroless Plating on the Surface of Rigid PVC
     难型硬聚氯乙烯表面化学电的可行性及其机理的研究
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     Cadmium Determination in Cadmium Cyanide Plating Waste Water by The Cadmium Ion Selective Electrode
     用镉离子选择电极测定氰化镉废水中的镉
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     EXPERIMENTAL RESEARCH OF ION PLATING Te THIN FILM
     离子碲膜的实验研究
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  电镀
     Direct Determination of Cyanide in Plating Wastewater with Cyanide Ion-Selective Electrode
     用氰选择电极测定电镀废水中的含氰量
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     THE STUDY OF HIGH STRESS NICKEL PLATING(PNS)
     高应力镍电镀工艺研究
短句来源
     “RC”Ni-Fe ALLOY PLATING
     RC型电镀镍铁合金工艺
短句来源
     STUDY OF BRIGHT Pb-Sn ALLOY PLATING OF CITRIC ACIDAMMONIUM ACETATE BATH
     柠檬酸-醋酸铵体系光亮铅锡合金电镀工艺研究
短句来源
     Study on the Technology of Bright Copper Plating in Acidic Copper Sulphate Solution With Additive Agent“153”
     “153”酸性硫酸铜光亮电镀工艺的研究
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  镀层
     Study on Ni-P Composite Plating of Heat Exchanger Units and Condensation Test Analysis
     镍磷复合镀层换热元件制备工艺研究及凝结试验分析
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     A computer program used for calculating the thickness of multiple plating layers
     用计算机程序来计算复合镀层厚度
短句来源
     EXISTENCE OF 1,4-BUTANEDIOL IN BRIGHT Ni-BATH AND ITS EFFECT ON THE BATH AND PLATING
     亮镍镀液中的1,4-丁二醇及其对镀液性能和镀层质量的影响
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     Analysis and Discussion on Mechanism of Passivation Membrane Formed on Zinc Plating
     关于锌镀层钝化膜形成机理的分析和讨论
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     APPLICATION OF BLACK PLATING IN AUTO INDUSTRY
     黑色镀层在汽车工业中的应用
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  镀敷
     We reported the optical properties of copper-doped porous silicon by immersion plating in metal ion solutions (CuSO4).
     本章采用浸泡镀敷的方法对多孔硅进行了铜掺杂处理,该掺杂过程是经过浸泡,使硫酸铜稀溶液中的铜离子吸附在多孔硅层的纳米硅粒上,然后扩散进纳米硅粒中的。
短句来源
     In accordance with the requirement of industry for plating layer with high corrosion or wear resistance property,the method of chemical plating and the composition of plating solution are analyzed,the corrosion rate is determined,and the performance of the plated layer is investigated.
     针对工业实际对提高防护层防腐、耐磨性能的要求,对化学镀镍磷镀层的方法,镀敷液配方等进行了分析,对其腐蚀率进行了测定,并对镀层性能进行了表征;
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  plating
Regeneration and reuse of exhausted solutions of electroless nickel plating wood veneer
      
The regeneration of exhausted solutions of electroless nickel plating wood veneer was realized using soluble calcium salt to precipitate and remove phosphite and then using fluoride to remove residual calcium ions from the solution.
      
By using the wrist and the control method, an industrial robot with five degrees of freedom for rapid tooling using metal arc spraying and electric brush plating techniques was developed.
      
Without the need of any manual programming, the metal arc spraying and brush plating (if necessary) processes can be performed automatically and efficiently after receiving the 3D CAD data of the pattern.
      
After pretreatment, brass was overlaid with CuO by chemical plating.
      
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A method for the separation and determination of small amount of zinc in nickel- plating baths is here reported. The dried sample is fused with sodium hydroxide and the water extract is, after suitable treatments, titrated amperometrically with K_4Fe(CN)_6, using a stationary platinum micro-electrode, while the solu,tion is stirred. The optimum conditions are as follows: applied voltage = +0.7 volt, and the supporting electrolyte should be about 0.5 N in NaC1 and 0.4 N in H_2SO_4. With about 0.5% Zn in...

A method for the separation and determination of small amount of zinc in nickel- plating baths is here reported. The dried sample is fused with sodium hydroxide and the water extract is, after suitable treatments, titrated amperometrically with K_4Fe(CN)_6, using a stationary platinum micro-electrode, while the solu,tion is stirred. The optimum conditions are as follows: applied voltage = +0.7 volt, and the supporting electrolyte should be about 0.5 N in NaC1 and 0.4 N in H_2SO_4. With about 0.5% Zn in sample, the relative precision of the determination lies within ±2%. The whole process may be accomplished in 40 minutes.

本文報告用氫氧化鈉熔融法來分離硫酸鎳中的微量鋅,並以亞鐵氰化鉀為試劑,用電流觴定來測定鋅。最適宜的實驗條件如下:指示電極用鉑微電極,而攪拌溶液,外加電壓為+0.7伏特,底液中合氯化鈉約0.5N,硫酸約0.4N。當固體試樣中合鋅約0.5%或欲測溶液中合鋅約5×10~(-4)克離子/升時,測定的相對誤差小於±2%。分離和測定全部所需時間約40分鐘。

A new method of amperometric tit ration using the anodic wave of EDTA at the platinum, foil electrode polarized at +1.1 volt (vs. S. C. E.) lias been proposed. The method has been used for the determination of trace amount of zinc in cobalt plating bath after separation from the main constituent's by fusion with potassium hydroxide. The results are consistent with those obtained by amperome-trie titration with EDTA using a dropping mercury or a mercury pool electrode. The precision of the determination...

A new method of amperometric tit ration using the anodic wave of EDTA at the platinum, foil electrode polarized at +1.1 volt (vs. S. C. E.) lias been proposed. The method has been used for the determination of trace amount of zinc in cobalt plating bath after separation from the main constituent's by fusion with potassium hydroxide. The results are consistent with those obtained by amperome-trie titration with EDTA using a dropping mercury or a mercury pool electrode. The precision of the determination lies within ±2%. The whole process may be accomplished in 40 minutes.

钴电解液中微量的锌可用氢氧化钾熔融法分离后以EDTA为试剂用两种不同的电流滴定法进行测定。其中利用EDTA的氧化波的方法,文献上尚未有报导。这一方法也可用来测定与EDTA螯合的其他金属离子如Fe~(+++)、Co~(++)、Ni~(++)、Cd~(++)等。用上法分析一个试样所需时间为40分钟,测定的平均偏差为±2%。

In order to approach the world level of shipbuilding,science within twelve years,it is necessary to survey the recent development in shipbuilding research of some leading maritime countries.This paper starts with stating the achievments of shipbuilding research work in this himdred years and steps taken by some leading countries for further development after the World War Ⅱ.Then it goes on to discuss the main achievments in the field of ship hydrodynamics and ship strength in recent years,and these are subdivided...

In order to approach the world level of shipbuilding,science within twelve years,it is necessary to survey the recent development in shipbuilding research of some leading maritime countries.This paper starts with stating the achievments of shipbuilding research work in this himdred years and steps taken by some leading countries for further development after the World War Ⅱ.Then it goes on to discuss the main achievments in the field of ship hydrodynamics and ship strength in recent years,and these are subdivided into the following headings: Ship hydrodynamics:(1)Systematic model testing.(2)Model-ship co-relalion, (3)Theory of wave making resistance,(4) Systematic testing of model propellers, (5)Propeller theory,(6)Cavitation,erosion,Singing of propellers,(7)Ship motion and seakeeping quality. Strength of ships: (1) Strength testing of actual ships and stress measure- ments on sea way,(2)Strength testing in model tank,(3)Problem of long superstructure,(4) Elastic and plastic strength of ship plating,(5) Ship vibration, (6) Materials for ship construction. This paper also gives an account of the preliminary achievments of the Chinese shipbuilding research work in respective fields and expresses the opinion that a great deal of amount of work is left to be done for the Chinese naval architects.Finally,the paper suggests that China must redouble her effort to construct her main shipbuilding research base equiped with instruments and apparatus of highest quality and to train the research experts as quick as possible.

为了在十二年内争取赶上世界的造船科学水平,就有必要对世界各国造船科学研究的发展,进行一番探讨。本文首先说明造船科学在百年来所起的作用,和二次世界大战后各国对造船科学研究的组织和发展。进一步探讨了二次大战后在船舶流体力学及船体强度学两方面的主要成就。并分以下几部份叙述: 船舶流体力学方面:(1)关于船型的系列试验;(2)关于船模与实船的换算关系;(3)兴波阻力理论;(4)推进器系列试验;(5)推进器理论;(6)推进器空泡、剥蚀、唱音等问题;(7)船舶运动和适航性。船体强度学方面:(1)实船强度试验和航行中应力测量;(2)船模试验池中的强度试验;(3)长上层建筑问题;(4)船体钢板的弹性塑性问题;(5)船体振动问题;(6)造船用材料问题。文中也涉及一些我国造船科学研究的初步收获,并说明我国在整个造船科学领域中还留着很大空白面。为了进一步发展我国的造船科学研究;建设主要的研究基地,充实仪表设备和培养研究人员是刻不容缓的事。

 
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