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reduced powder
相关语句
  还原粉末的
     Phase composition and particle morphology of the redued powder were measured by X-ray diffraction and SEM,respectively. Oxide content of the reduced powder were also meas-ured by TC-436 nitrogen/oxide analysis apparatus.
     分别采用X射线衍射仪和高倍扫描电镜对还原粉末进行了物相分析和形貌观察,并用TC-436氮/氧分析仪对还原粉末的氧含量进行了测试。
短句来源
  “reduced powder”译为未确定词的双语例句
     the properties of the reduced powder are greatly influenced by the temperature and time of the reduction process, and the best properties of the composite powder can be obtained at 700 ℃ for 90 min; nanometer W-Ni-Fe composite powder with Fsss particle size smaller than 0.65 μm, BET particle size smaller than 100 nm, crystalline size smaller than 30 nm and oxide content of reduced powder smaller than 0.23% was synthesized.
     还原温度和还原时间都对W Ni Fe复合粉末的性能有显著影响,当还原温度为700℃,还原时间为90min时,制备的颗粒为平均费氏粒度低于0.65μm,平均BET粒度小于100nm,晶粒粒径小于30nm,粉末氧含量小于0.23%的纳米级W Ni Fe复合粉末。
短句来源
     With increasing of the reduction temperature,oxide content of the reduced powder decreases from 20.77% to 0.46% at temperature between 300 ℃ and 650 ℃ and is stable(0.20%) at temperature between 700 ℃ and 800 ℃.
     600℃时形成稳定的W相和-γ(Ni,Fe)相; 在300~650℃间氧含量随温度的升高由20.77%降至0.46%,并在700~800℃基本平衡在0.20%左右。
短句来源
     the properties of the reduced powder are greatly influenced by the temperature and time of the reduction process,and the best properties of the composite powder can be obtained at 700 ℃ for 120 min; nanometer Fe-18 Cr-9 W composite powder with FSSS particle size is smaller than 0.58 μm,BET particle size is smaller than 80 nm,crystalline size is smaller than 50 nm,and oxide content of reduced powder is smaller than 0.14%.
     还原温度和还原时间都对Fe—18Cr—9复合粉末的性能有显著影响,当还原温度为700℃,还原时间为90 min时,制备的颗粒为平均费氏粒度低于0.58μm,平均BET粒度小于80 nm,晶粒粒径小于50 nm,粉末氧含量小于0.14%的纳米级Fe—18Cr—9复合粉末。
短句来源
     the properties of the reduced powder are greatly affected by the temperature and time of the reduction process,and the best properties of the composite powder can be obtained at 700 ℃ for 120 min; nanometer Fe-18Cr-9W composite powder with Fsss particle size smaller than 0.58μm,BET particle size smaller than 80 nm,crystalline size smaller than 50 nm and oxide content of reduced powder smaller than 0.14 % is synthesized.
     还原温度和还原时间都对Fe-18Cr-9W复合粉末的性能有显著影响,当还原温度为700℃,还原时间为90 min时,制备的颗粒为平均费氏粒度低于0.58μm,平均BET粒度小于80 nm,晶粒粒径小于50 nm,粉末氧含量小于0.14%的纳米级Fe-18Cr-9W复合粉末.
短句来源
     Phase composition, crystalline size and particle morphology of the reduced powder were measured by X-ray diffraction and scanning electroric microscopy.
     采用X射线衍射及高倍扫描电镜分别对还原后的复合粉末进行物相分析、晶粒尺寸测试和形貌观察,并对还原复合粉末的粒度、比表面进行测定与分析。
短句来源
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  相似匹配句对
     MICROSTRUCTURE OF TANTALUM POWDER REDUCED BY SODIUM
     钠还原钽粉的显微结构
短句来源
     Reduced iron powders for powder metallurgy
     中华人民共和国国家标准 粉末冶金用还原铁粉
短句来源
     The cost was reduced.
     该工艺简单易行,生产成本低。
短句来源
     Powder electropainting
     粉末电泳涂漆
短句来源
     Powder Coating
     粉末涂料
短句来源
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  reduced powder
The results point to the potential advantage, in terms of reduced powder consumption and increased production rate, of using N2 as compared to Ar as the primary plasma gas for TBC deposition.
      
The highest indicates K1C are encountered in sintered and hotforged materials from reduced powder PZh2M3 with ramified shape of the particles.
      
At similar pores sizes and coefficients of pore tortuosity, porous sheets from a reduced powder can stop a larger amount of.
      
With the atomized powders, the transition from the first stage of pressing to the second took place more gradually and at a higher pressing pressure (600 MPa) than with the reduced powder (450 MPa).
      
The apparent density of the reduced powder and the relative density of pressed compacts vary nonuniformly with increasing alumina content.
      
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The parameters infuencing the size of reduced powders during the reduction of the tungsten oxides, the methods to prohibit the grain growth during carburisation and sintering and the various grain growth prohibitors used are discussed. Also the process for producing powder is provided. The compositions and the properties of the 4 grades of the sub-micron cemented carbide series with 6 to 13% cobalt content, about 0.5μ mean grain size HRA 91 to 93 hardness and 160 to 230 kgf/mm~2 transverse rupture...

The parameters infuencing the size of reduced powders during the reduction of the tungsten oxides, the methods to prohibit the grain growth during carburisation and sintering and the various grain growth prohibitors used are discussed. Also the process for producing powder is provided. The compositions and the properties of the 4 grades of the sub-micron cemented carbide series with 6 to 13% cobalt content, about 0.5μ mean grain size HRA 91 to 93 hardness and 160 to 230 kgf/mm~2 transverse rupture strength are reported. The special precision multi-edge cutters and the other cutteis, which were made of these powders, had achieved good results as used for cutting those materials of poor machinability such as nickel base high temperature alloys and hardend tool steels etc.

讨论了钨氧化物还原过程中影响钨粉粒度的各种因素以及碳化和烧结过程中抑制晶粒长大时可采用的抑制剂。还介绍了超细硬质合金系列共四个牌号,其主要成份及性能为:含钴量分别在6~13%之间、硬度分别在HRA91~93之间、抗弯强度分别在160~230公斤力/毫米~2之间、平均拉度0.5微米左右。最后列举了超蛔硬质合金系列在多刃精密刀具方面,以及在加工淬硬钢、镍基高温材料,喷涂自熔合金等难加工材料方面所取得的实用成效。

Anodes are made of Ta powder of 2 kinds of different purity and matched with Ta leads of 6 different kinds. After pressing, anodes are sintered with 5 various temperatures. Then, the capacitance, leakage and porosity of anodes and anti-embrittlement and hardness of leads are mea- sured. The microstructure of leads is also investigated. The experimental data show that the capacitance and leakage decrease as the sintering tem- perature increases. When the sintering temperature rises above 1800℃ the leakage...

Anodes are made of Ta powder of 2 kinds of different purity and matched with Ta leads of 6 different kinds. After pressing, anodes are sintered with 5 various temperatures. Then, the capacitance, leakage and porosity of anodes and anti-embrittlement and hardness of leads are mea- sured. The microstructure of leads is also investigated. The experimental data show that the capacitance and leakage decrease as the sintering tem- perature increases. When the sintering temperature rises above 1800℃ the leakage drops to×10~(-4)μA/μF·V level, above 1900℃ the capacitance and porosity tend towards stabilization. At 1900℃, however, anti-embrittlement of Taleads is the worst, and probability of fail is maximum. It confirms that under certain sintering temperature, the favourable electrical performance and the best anti-embrittlement are conflict with each other. Doped Ta leads have no influence on electrical performance of anodos but it is beneficial to anti--embrittlement of leads. The anti-embrittlement of Ta wire that is doped and/or made from sodium reduced powders is much better than that of Ta wire made from carbon reduced powders and/or made by electron beam melting ingots. The microstructures indicate that there are coarse grains with flat boundaries in the embrittle leads while there are fine and fibre grains in the ductile leads. From the data of hardness we can see that the gas impurity in anode has diffused into the leads (Figures 6 and Tables 10)

以两种不同纯度的钽粉为原料,配六种不同类型的钽丝为引线,压制成形并以五种温度分别进行烧结,然后,测其电容量、漏电流、孔隙度以及引线的抗脆能力、硬度并取其金相组织。由数据可知,随烧结温度提高,电容量降低,漏电流减少。当烧结温度超过1800℃时,漏电流降低至×10~(-4)μA/μF·V;当超过1900℃时,电容量和孔隙度都趋于稳定,但烧结温度提高,引线的抗脆能力变差,并在1900℃时不合格的几率最大。这证明,烧结温度对材料的电性与抗脆性有明显的影响。由数据可知,以掺杂钽丝作引线的坯块,其电性符合要求,抗脆性也得到改善。掺杂钽丝和钠还原钽粉制的纯钽丝,其抗脆性优于碳还原钽粉制的纯钽丝和以熔炼锭坯制的纯钽丝,由金相照片可见,易脆引线的晶粒粗大且晶界平直,而抗脆好的引线,其晶粒细小井呈细条状或纤维状。由硬度可知,坯块中的气体杂质向引线渗透。

This paper reports the effects of ABT No. 2 root—reducing powder on herbage growth in mountain areas. Experimental results showed that applications of the powder on Astragalus adsurgens and Melilotus significantly improved the growth of the species on aspects such as prant height, branching length, forage yield, seed yield, root volume and root distribution area.

ABT二号生根粉应用于山区牧草栽培的试验证明,试验组草木樨、沙打旺的株高、侧枝总长度、产草量、产籽量、1立方米内的生根量和根系辐射面,分别比对照组提高了18.1%和34.3%、49.2%和45.4%、42.8%和39.2%、30.4%和27.3%、64.5%和55.9%、89.8%和71.1%.

 
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