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在氮气
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  under nitrogen
     MnO and Bi doped MnO were prepared under nitrogen atmosphere by thermal decomposition of MnC 2O 4 and Bi doped MnC 2O 4 synthesized by solid state reaction respectively.
     通过在氮气保护下热分解固相合成的MnC2 O4及掺杂Bi的MnC2 O4,分别制备了MnO及改性的Bi MnO。
短句来源
     (2) Under nitrogen condition, the amount of volatilization of As increased rapidly at the temperature of 600-900℃ while Se at 200-600℃.
     (2)在氮气气氛下,As挥发量大幅提升的现象发生在600-900℃这一温度范围,而Se的大量挥发现象比As要早,大约在200-600℃的温度范围内。
短句来源
     Sintering was carried out at 1 300 ℃ for 2 h under nitrogen atmosphere. The relative density of as-sintered samples can reach 97. 9%-99. 4% , and the N content of the sample is 0. 60%(mass fraction) which increases the mechanical properties of the material notably. The ultimate tensile strength and hardness of the samples reach 860 MPa and HRC31, respectively.
     在氮气气氛中于1 300℃烧结2 h后,试样相对密度达到97.9%- 99.4%,氮含量高达0.60%(质量分数),氮显著提高了材料力学性能,使抗拉强度和硬度分别达860 MPa和HRC31。
     1. Three-coordinated complex of [~n-Bu4N][Hg(PhSe)_3] was obtained under nitrogen atmosphere and characterized by X-ray crystal structure analysis, IR spectra, H-NMR spectra and TG-DTA technique.
     1.在氮气保护条件下合成了三配位配合物[~n-Bu_4N][Hg(PhSe)_3],并用X射线单晶衍射分析、红外光谱、~1H-NMR谱和差热热重分析进行了表征。
短句来源
     Under nitrogen atmosphere,the ceramic yield of PACS fibers was about 52%;
     在氮气气氛中,PACS纤维的陶瓷产率达到52%左右;
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  “在氮气”译为未确定词的双语例句
     Finally,under protection of N_2,Ⅴ reacted with BBr_3(n(Ⅴ)∶n(BBr_3)=1∶10)in ice bath for 2 h and the target compound(1,3,8-trihydroxy-6-formyl-9,10-anthraquinone,Ⅰ) was synthesized in total yield of 47.2%.
     最后化合物Ⅴ在氮气保护及冰水浴条件下与三溴化硼〔n(Ⅴ)∶n(BB r3)=1∶10〕反应2 h,合成了目标化合物1,3,8-三羟基-6-甲酰基-9,10-蒽醌(Ⅰ),总收率为47.2%。
短句来源
     The results showed that the initial thermal degradation temperatures of SIS,SBS and SI/BS at nitrogen atmosphere were 499.8,630.2 and 582.9 K respectively indicating that the thermal stability of SBS was better than those of SIS and SI/BS;
     结果表明,SIS,SBS和SI/BS在氮气气氛下的起始热降解温度分别为499.8,630.2和582.9 K,SBS的热稳定性高于SIS和SI/BS;
短句来源
     The results indicate that β-Si_3N_4 ceramic can be gotten with 2% Al_2O_3+8% Y_2O_3 as sintering additive at 1 380℃ in nitrogen.
     结果表明:在1380℃下,加入2%Al2O3+8%Y2O3,在氮气气氛中可得到以β Si3N4为主的氮化硅陶瓷。
短句来源
     The reduction sequence of ilmenite under the atmosphere of N2 can be concluded as FeTiO3→TiO2→Ti3O5→Ti(O,C) →Ti(C,N).
     钛铁矿在氮气条件下碳热还原的具体过程可以总结为:FeTiO3→TiO2→Ti3O5→Ti(O,C) →Ti(C,N)。 其中,750℃还原2小时的主要产物为FeTiO3、TiO2和C;
短句来源
     The vertical sections varying with the nitrogen content under standard atmosphere in the Fe-18Cr-18Mn-C-Mo(Si)-N system have been calculated by the Thermo-Calc software and Fe-based database.
     利用Thermo-Calc软件和相关数据库对Fe-18Cr-18Mn-C-Mo(Si)-N合金系在氮气压力为100kPa下随N含量变化的变温截面进行了计算.
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  相似匹配句对
     Nitrogen Generator System
     氮气发生器系统
短句来源
     using nitrogen as carrier gas.
     载气:氮气;
短句来源
     Application of nitrogen-cushion in die
     氮气弹簧冲模上的应用
短句来源
     Application of nitrogen in oilfields production
     氮气油田生产中的应用
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  under nitrogen
The as-deposited films were annealed at a temperature range of 600-1000°C under nitrogen atmosphere.
      
The effects of temperature and time on polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs) distribution in fly ash of a municipal solid waste incinerator (MSWI) were studied in a tubular oven under nitrogen atmosphere.
      
The optimum condition for PCDD/Fs decomposition in fly ash was a heating time of 60 min at 400 °C under nitrogen atmosphere.
      
The latter stage occurred under nitrogen-deficiency conditions.
      
The mechanism of the increased accumulation (overproduction) of citric acids in the yeast Yarrowia lipolytica while growing in the presence of glucose under nitrogen deficiency was investigated.
      
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The continuous decrease of the viscosity of rubber solution in toluene or benzene under nitrogen atmosphere with the addition of an antioxidant has been confirmed to be the result of photochemical degradation by the diffused sunlight in the laboratory. An equipment for the determination of intrinsic viscosity under nitrogen atmosphere in the darkness is hereby described. It gives reproducible viscosity data and reliable values of intrinsic viscosity.A sample of first grade smoked sheet of plantation Hevea rubber...

The continuous decrease of the viscosity of rubber solution in toluene or benzene under nitrogen atmosphere with the addition of an antioxidant has been confirmed to be the result of photochemical degradation by the diffused sunlight in the laboratory. An equipment for the determination of intrinsic viscosity under nitrogen atmosphere in the darkness is hereby described. It gives reproducible viscosity data and reliable values of intrinsic viscosity.A sample of first grade smoked sheet of plantation Hevea rubber was fractionated under nitrogen atmosphere in the darkness. The result shows a rather wide distribution in molecular weights, including a group of molecules having molecular weight above 2-3×10~6, This is in agreement with some recent results of fractionation studies found in literature. _n of our sample is 1.75×10~6, while an osmotic measurement gave _n =1.3×10~6.

1.在無氧的情况下,光的作用是橡膠溶液粘度不斷下降的主要因素。 2.本文敍述在氮氣保護,不見光的情况下测定粘度的實驗設備,這樣可以得到再現性很好的粘度数据和可靠的特性粘數值。 3.在氮氣保護和不見光的實驗條件下得到的煙片橡膠的兩次分級結果,都顯示很寬的分子量分佈,而且有相當大的部分分子量在2—3×10~6以上。試樣的M_n=1.3×10~6,M_η=1.75×10~6。

Rates of volatilization of SnO from the binary silicate melts containing 60.60 to 91.00 wt.-% SnO were measured by the "Loss Weight" method. It was found that the logarithm of volatilization rate or vapour pressure of SnO is proportional to the composition of the melt. From these experimental results the activities of SnO and SiO_2 were calculated, and it occurred that they exhibit considerable negative deviation from Raoult's Law. Since the rate of volatilization varies exponentially with the SnO content in...

Rates of volatilization of SnO from the binary silicate melts containing 60.60 to 91.00 wt.-% SnO were measured by the "Loss Weight" method. It was found that the logarithm of volatilization rate or vapour pressure of SnO is proportional to the composition of the melt. From these experimental results the activities of SnO and SiO_2 were calculated, and it occurred that they exhibit considerable negative deviation from Raoult's Law. Since the rate of volatilization varies exponentially with the SnO content in the binary melt, it is unlikely that this deviation is associated with the formation of compound between. SnO and SiO_2.

运用在氮气流中測定蒸发速率的方法,研究了SnO-SiO_2系統中氧化亚錫的揮发性能。实驗証明:在一定条件下,氧化亚錫的蒸发速率的对数值与溫度、熔体成分之間存在着簡单的比例关系。根据实驗数据計算出SnO-SiO_2系中SnO和SiO_2的活度值。它們在所研究的熔体成份范围內对理想溶液有明显的負偏差。根据实驗結果,推測了負偏差产生的原因,指出在所研究的成分范围內可能不存在SnO与SiO_2之間的化合物。

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进行了撫順残植煤的化学—工艺性质的評述。研究了残植煤各岩相組分(鏡煤类物质、孢子残体、树脂体)的一次焦油的組成;特别详细地采用紅外光譜和色层分离方法研究了树脂体焦油。撫順残植煤是很好的低溫干餾的原料。在热载体並流、多次往复循环实驗炉中进行的低溫干餾結果表明,可从残植煤得到较高收率的轻质化学产品和大量宝貴的煤气。采用色层分离法系統研究了撫順残植煤焦油的中性油的族組成。首次研究了低溫焦油中丙酮可溶性酚的組成。結果表明,在氮气流中进行甲基化,用色层法分离酚甲醚,並随后用化学、物理方法鑑定各組分,可以认为是比較好的一种研究重餾分混合酚的方法。

 
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