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硫酸钴     
相关语句
  cobalt sulfate
     Traces of arsenic can produce sensitive catalytic waves in a system of 0.24 N sulphate-2 ×10-5 M O-phenanthroline hydrate-0.1% cobalt sulfate.
     微量砷在0.24N H_2SO_4—2×10~(-5)M邻菲哕啉—0.1%硫酸钴体系中可产生一灵敏催化波。
短句来源
     Both compositions and operating conditions are given: potassium pyrophosphate 250g/L, stannous sulfate 10-20g/L, cobalt sulfate 10-20g/L, brightener 100mL/L, pH8.5-9.5, temperature 35-50℃, cathode curent density D_k=0.5-2A/dm~2.anode: purified graphite plate with high density; agitation:cathode moving or buffeting;
     焦磷酸钾250g/L,硫酸亚锡10—20g/L,硫酸钴10—20g/L,光亮剂100mL/L,pH 8.5~9.5,温度35~50℃,阴极电流密度Dk0.5~2A/dm~2,阳极:高纯高密度石墨板,搅拌:阴极移动或抖动,电镀时间3min。
短句来源
     The influence of cobalt sulfate on the lightfastness of lithopone
     硫酸钴对立德粉耐光性的作用
短句来源
     The methods are interfered badly by cobalt in determination of iron in cobalt sulfate.
     硫酸钴中铁的测定主要问题是存在钴基体对测定方法严重干扰。
短句来源
     The nanocrystalline Co-Ni alloys were prepared by jet electrodeposition in the nickel chloride and cobalt sulfate bath containing additive and the cathodic polarization curves of Co-Ni alloys were measured.
     在氯化镍-硫酸钴体系电解液中采用添加剂喷射电沉积纳米晶Co-Ni合金,测定了其阴极极化曲线。
短句来源
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  cobalt sulphate
     The process conditions of preparation for black molybdate conversion film on casting aluminum surface were introduced: 3 g/L ammonium molybdate,3 g/L cobalt sulphate,1~2 g/L ammonium bifluoride,pH 4~5,θ 55 ℃,t 20 min.
     介绍了在铸铝表面制备黑色钼酸盐转化膜的工艺条件:3 g/L钼酸铵,3 g/L硫酸钴,1~2 g/L氟化氢铵,pH 4~5,温度55℃,时间20 m in。
短句来源
     The cobalt and nickel were separated completely by chemical precipitation. Recovery of nickel carbonate and cobalt sulphate were more than 98.0% and the purities were over 99.0%.
     利用化学沉淀法实现镍钴较彻底的分离,从中回收得到的碳酸镍和硫酸钴产品,纯度在99.0%以上,回收率超过98.0%。
短句来源
     Results showed that VB_(12) production from cobalt in lambs was similar when using cobalt sulphate and cobalt chloride,and was significantly higher(P<0.05) in cobalt sulphate than in cobalt acetate.
     结果表明:1)硫酸钴、氯化钴、乙酸钴、氧化钴的相对生物学有效率分别为100%、95.66%、89.50%和22.56%(P<0.01);
短句来源
     Study of New Process for Recovery of Cobalt Oxide from Al-containing Cobalt Sulphate Solution
     含铝硫酸钴溶液中回收氧化钴新工艺的研究
短句来源
     Pre-Treatment Technology for Cobalt Sulphate Solution before Extraction
     硫酸钴溶液的萃前处理工艺
短句来源
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  cobaltous sulfate
     This method has been appliedto the determination of Mn in steel and cobaltous sulfate samples with satisfactory results.
     方法能用于钢样及硫酸钴中锰的测定,获得了满意的结果。
短句来源
     A series of cobalt platinum tungsten alloys were deposited with sodium tungstate and cobaltous sulfate as the main salts and citrate as the complex agent.
     报道了以钨酸钠、硫酸钴和二亚硝酸二胺铂为主盐、以柠檬酸盐为络合剂电沉积钴铂钨合金的工艺过程。
短句来源
     A series of cobalt-platinum-tungsten alloys were deposited with sodium tungstate and cobaltous sulfate as the main salts and citrate as the complex agent.
     报道了以钨酸钠、硫酸钴和二亚硝酸二胺铂为主盐、以柠檬酸盐为络合剂电沉积钴铂钨合金的工艺过程。 研究了镀液中钨盐浓度、络合剂浓度、电流密度、镀液温度等沉积条件对钴铂钨合金成份的影响。
  “硫酸钴”译为未确定词的双语例句
     The activity coefficients of Co in the aqueous phase containing 3 electrolytes (COSO_4, H_2SO_4, Na_2SO_4)were calculated using pitzer's theory.
     应用Pitzer的理论计算了Co~(+2)在含三个电解质(CoSO_4,H_2SO_4,Na_2SO_4)溶液中的活度系数,计算中考虑了硫酸钴离子对的生成。
短句来源
     MnO2/active carbon was prepared by KMnO4,Mn(CH3COO)2·4H2O and active carbon chemical coprecipitating. During the process,the CoSO4 with Er2O3,CoSO4 and La2(SO4)3,CoSO4 and NiSO4 were doped in each sample,separately.
     以KMnO4,Mn(CH3COO)2.4H2O和活性碳为原料,利用化学共沉淀法,合成氧化锰/活性碳(MnO2/AC)电极材料,同时在制备过程中分别掺杂硫酸钴(CoSO4)和氧化铒(Er2O3)、硫酸钴和硫酸镧(La2(SO4)3)、硫酸钴和硫酸镍(NiSO4)。
短句来源
     The optimal conditions of electrodeposition has been determined: CoSO_4·H_2O doping content is 10g/L,current density is 50mA/cm~2,temperature is 50℃,deposition time is 40min,pH value is 4.
     确定了较佳电沉积工艺条件:硫酸钴掺杂浓度为10 g/L、电流密度为50 mA/cm2、镀液温度为50℃、电沉积时间为40 min、镀液pH值为4。
短句来源
     Plasma concentrations of methylmalonic acid(2.94,3.01,3.49 and 3.99 μmol/L) and homocysteine(8.91,9.23,9.97 and 10.78 μmol/L) reflected similar results with those based on plasma VB_(12) concentration.
     同型半胱胺含量为8.91、9.23、9.97和10.78μmol/L,硫酸钴与氯化钴组相近,乙酸钴组稍有增加,而氧化钴组明显升高,3个指标反映了一致的钴营养状况。
短句来源
     Positive reactions were most frequently with cobaltsulphate (118 cases, 16.4%), potassium dichromate (115 cases, 16.0%), nickelchloride (108 cases, 15.0%) mercuric chloride (106 cases, 14.7%) , Beihai detergent powder (63 cases, 8.8%), and p phenylene diamine (50 cases, 6.9%).
     其中阳性率较高的抗原依次为:硫酸钴(118例,16.4%)、重铬酸钾(115例,16.0%)、氯化镍(108例,15.0%)、升汞(106例,14.7%)、北海洗衣粉(63例,8.8%)、对苯二胺(50例,6.9%)。
短句来源
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  cobalt sulfate
The possibility of depositing black cobalt coatings from fluoride-containing electrolytes based on cobalt sulfate was studied.
      
The addition of boric acid, H3BO3 to cobalt sulfate solutions leads to different results: measurements done up to pH 5.5 indicate that only Co metal deposits, showing that boric acid prevents the formation of cobalt hydroxide.
      
Ternary Ni-Co-P and binary Ni-P alloy coatings were deposited on mild steel panels from an alkaline bath in the presence and absence of cobalt sulfate using an electroless process.
      
Cobalt electrodeposited onto steel substrate was carried out from solutions containing cobalt sulfate, boric acid and sodium gluconate.
      
A gas-lift bubble column was used to investigate the kinetics of the reaction between oxygen and aqueous solutions of sodium sulfite in the presence of cobalt sulfate catalyst.
      
更多          
  cobalt sulphate
It is dissolved in acid and estimated as cobalt sulphate.
      
Cobalt deposits taking the form of cobalt nodules were obtained on nickel substrates in a bath containing dissolved cobalt sulphate and ammonium citrate at pH 9.8 and 23°C.
      
Cyclic voltammetric studies were carried out on platinum in alkaline solution containing cobalt sulphate, sodium tungstate, dimethyl sulphoxide and triammonium citrate.
      
Au/Co multilayers were electrodeposited from a single bath based on acid citrate, cobalt sulphate and gold cyanide electrolyte.
      
Solutions containing cobalt sulphate, sodium molybdate and sodium citrate at pH 6.6 were used.
      
更多          
  cobaltic sulphate
The electrochemical production of cobaltic sulphate
      
The oxidation of o-nitrotoluene to o-nitrobenzaldehyde with electrogenerated cobaltic sulphate
      


The hydrodynamical performance of the 5709-kerosin/nickel sulphate-cobalt sulph-ate system was studied in a 2-in diameter pulsed sieve-plate extraction column.Theexperimental results show that:The flooding rate under the circumstances of organic phase continuation and wi-thoutmass transfer is increased by increasing the free section area and temperature.The flooding rate is slightly increased by increasing the perforation size and platespaces.The flooding rate is decreased by increasing the flow ratio.The flooding...

The hydrodynamical performance of the 5709-kerosin/nickel sulphate-cobalt sulph-ate system was studied in a 2-in diameter pulsed sieve-plate extraction column.Theexperimental results show that:The flooding rate under the circumstances of organic phase continuation and wi-thoutmass transfer is increased by increasing the free section area and temperature.The flooding rate is slightly increased by increasing the perforation size and platespaces.The flooding rate is decreased by increasing the flow ratio.The flooding rate of a aqueous phase continuation system is higher than that of aorganic phase continuation system;the flooding rate with mass transfer is higher thanthat without mass transfer.The hydrodynamic formula suitable for the system is:(V_d)/X+(V_c)/(1-X)=V_0e~(kx)(1—X)where k=0.479±0.016 for the standard plate.

在直径二英寸的脉冲筛板萃取柱中,研究了5709-煤油/硫酸镍、硫酸钴体系的流体力学性能。结果表明,在有机相连续、无传质的情况下,液泛通量随孔径和板间距增加稍有增加,但变化不大;随自由截面增加而增加;随温度升高而增加;随流比增加而减少;水相连续的液泛通量比有机相连续的高;有传质情况下的液泛通量比无传质情况下的高。适用于本体系的流体力学关联式为:Vd/X+Vc/1-X=V_0e~(kx)(1-X),测得标准板的(?)=0.479±0.016。

Mass transformation behaviour of 10% 5709-kerosin/nickel sulphate and cobalt sulphate system were researched in a 2" pulsed sieve plate extraction column. The HETS and flooding throughput U_(df)+U_(cf) were determined for some conditions. Experimental results showed when temperature increased, the performance of hydrodynamical and mass transformation were better, and the mass transformation behaviour of continuous organic phase is better than that of continuous aqueous phase.The optimum construction and operational...

Mass transformation behaviour of 10% 5709-kerosin/nickel sulphate and cobalt sulphate system were researched in a 2" pulsed sieve plate extraction column. The HETS and flooding throughput U_(df)+U_(cf) were determined for some conditions. Experimental results showed when temperature increased, the performance of hydrodynamical and mass transformation were better, and the mass transformation behaviour of continuous organic phase is better than that of continuous aqueous phase.The optimum construction and operational condition, determined by normal exp eriment, are:6mm hole diameter, 35% free area, 5cm spacingPulse amplitude 12.5mmPulse frequency 100 c/minTemperature 50±2℃Organic phase is continuous.Flow ratio (aq./org.) 4/1In optimum conditions:The minimal HETS is 39.5cm.The maxmal U_(df)+U_(cf) is 477.3 l/dm~2·hr.

在2英寸脉冲筛板柱中,研究了10%(体积)5709—煤油/硫酸镍、硫酸钴体系的萃取传质性能,测定了若干条件下的理论级当量高度HETS和液泛通量U_(cf)+U_(df)。实验结果表明,温度升高,传质及流体力学性能变好,有机相连续的传质性能优于水相连续,并用正交实验确定了最优结构及操作条件。

The distribution of cobalt between di-2-ethylhexyl phosphoric acid (DEHPA) and an aqueous phase of sulfates was studied. A thermodynamic analysis of the equilibria was reported. The activity coefficients of Co in the aqueous phase containing 3 electrolytes (COSO_4, H_2SO_4, Na_2SO_4)were calculated using pitzer's theory. The ionpair formation of cobalt and sulfates ions was considered in calculation. The extraction equilibrium constant was reported, log k=-3.96. An improved method for the calculation of organic...

The distribution of cobalt between di-2-ethylhexyl phosphoric acid (DEHPA) and an aqueous phase of sulfates was studied. A thermodynamic analysis of the equilibria was reported. The activity coefficients of Co in the aqueous phase containing 3 electrolytes (COSO_4, H_2SO_4, Na_2SO_4)were calculated using pitzer's theory. The ionpair formation of cobalt and sulfates ions was considered in calculation. The extraction equilibrium constant was reported, log k=-3.96. An improved method for the calculation of organic phase was given. It was shown that with the improvement the calculation became much simpler.

本文研究了钴在二(2—乙基己基)磷酸(DEHPA)有机相及硫酸盐水相中的分配,报道了平衡的热力学分析。应用Pitzer的理论计算了Co~(+2)在含三个电解质(CoSO_4,H_2SO_4,Na_2SO_4)溶液中的活度系数,计算中考虑了硫酸钴离子对的生成。计算了萃取平衡常数,Iog_(10)K=-3.96。提出了一个改良了的计算有机相中组元的方法,使计算大大简化。

 
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