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      atmosphere
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  气氛
    Discussion on the Control of the Reducing Firing Atmosphere
    还原烧成气氛控制方法的探讨
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    Effect of Firing Kiln Atmosphere on Strength of Ceramic Bodies
    窑炉烧成气氛对陶瓷强度的影响
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    Study on the atmosphere of firing of ancient ceramics with Mssbauer spectra technique
    Mssbauer谱技术对古陶瓷烧制气氛的研究
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    The Thermodynamic Study of the Complex Equilibrium System of Endothermal Nitrogen-Base Controled Atmosphere and Steel(Ⅱ)
    吸热式氮基气氛与钢复杂平衡体系的热力学计算(Ⅱ)
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    Study of the Direct Reduction of Carbon-Containing Pellets under Oxidizing Atmosphere
    在氧化性气氛中含碳球团直接还原的研究
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  大气压
    This paper has researched the pressureless sintering performance of hexagonal boron nitride,with Al_2O_3, Y_2O_3 and B_2O_3 as the additive, under N_2 atmosphere, pressureless sintering at about 1800 °C degrees.
    同时本文探讨了以六方氮化硼为基体,Al_2O_3,Y_2O_3和B_2O_3为添加剂,在略高于一个大气压的N_2气氛下,于1700℃~1850℃左右进行无压烧结。
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    Apparent oxygen transfer coefficient(K_(La) )_(app) whichdetermined by atmosphere pressure surrounding the shake flask was also obtained.
    以摇瓶周围大气压(P_a)计算得出了表现氧传递系数(K_(La))_(app),两者差异较大。
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    This article researches affection of atmosphere pressure to hydro-kinetic force process by using fluid mechanics theory and works out amendatory method about pump allowable mounting height, wind pressure of centrifugal fan,rotor power and gas rotameter scale and algorithm of air-pressure pipe length of counter-current flow hight-order condenser in different atmosphere. It is significant in different above sea lerel area, eapecially in plateau and basin.
    本文应用流体力学原理 ,研究了大气压对流体动力过程的影响 ,得出不同大气压时 ,泵的允许安装高度 ,离心式风机风压 ,轴功率 ,气体转子流量计刻度的校正方法和逆流高位冷凝器气压管长度的计算方法 ,对不同海拔高度地区 ,特别是高原和盆地地区具有十分重要的现实意义。
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  气氛下
    Nano-sized fluorescent Ca3SiO5:Eu2+ powder was synthesized by the sol-gel method under a reduced atmosphere at low temperatures.
    用溶胶-凝胶法在弱还原气氛下合成了纳米级 Ca3SiO5:Eu2+绿色荧光粉。
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    Mn~(2+)activated 60ZnO-nB_2O_3-mSiO_2(ZBS:Mn)and(60-x)ZnO-20B_2O_3-20SiO_2-x Al_2O_3 glasses were prepared under air atmosphere.
    在空气气氛下分别制备了一系列Mn~(2+)离子激活60ZnO-nB_2O_3-mSiO_2玻璃和(60-x)ZnO-20B_2O_3-20SiO_2-xAl_2O_3玻璃。
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    The results show that the samples with thermal conductivity 63. 5W/m· K and dielectric constant 8. 76 are acquired by hot-pressed sintering under nitrogen atmosphere and two hours soaking time.
    在1800℃、氮气氛下、热压2h可以制备出热导率为63.5W/m·K、介电常数为8.76的AlN- BN复合陶瓷。
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    For B-3 sample, U6+ percentage decreases from 16.5% to 4.1% and 6.2% respectively at air and carbon monoxide atmosphere when the roast temperature is 700℃. It shows that carbon monoxide atmosphere avails to decrease U6+ of sample.
    B-3样品固定700℃焙烧,CO气氛下U6+占样品中总铀量的百分数由16.5%降到4.1%,而空气条件下由16.5%降到6.2%,表明还原气氛焙烧更有利于降低样品中的U6+。
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    α-Sialon/SiC_(w) Composites Sintered in Different Atmosphere
    不同气氛下烧结的α-Sialon/SiC_(w)复合材料
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  “atmosphere”译为未确定词的双语例句
    An Approch to Atmosphere of Kiln
    对窑炉气氛的探讨
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    ON THE PREPARATION OF C-60 IN Ar ATMOSPHERE
    用Ar气制备C—60的研究
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    Study on Ultrafine Particles of Fe-B Produced by Evaboration in Ar Atmosphere and in N 2
    Ar、N_2气体中蒸发制备Fe-B超细微粒的研究
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    Influence of RE Addition on the Mechanism of Synthesis Si_3N_4 from Silica Reduction by Carbon in Nitrogen Atmosphere
    稀土对SiO_2碳热还原氮化制备Si_3N_4机理研究
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    Reactivity and Characterization of Co ZSM 5 Catalyst for Methane Reducing NO x in an Oxidizing Atmosphere
    富氧条件下甲烷还原NO_xCo-ZSM-5催化剂的性能和表征
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  atmosphere
       A series of methodologies for the measurements of iodine species in the gas and particle phases of the coastal atmosphere has been developed.
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       It has been found that rectificative phenomena exist only in the atmosphere-liquid interface region by means of liquid adsorption, and electric field could help form the oriented molecular film.
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       An ionic liquid (IL) was prepared by directly mixing InCl3 and 1-methyl-3-butylimidazolium chloride(BMIC) with molar ratio 1:1 under dry argon atmosphere.
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       The decomposition rate of DAAT is sensitive to pressure and in direct proportion to atmosphere pressure.
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       The content of water vapor in atmosphere is very little and the ratio of volume of moisture to air is about 0.1%-3%, but water vapor is the most active molecule in atmosphere.
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         In the present communication a practical method for obtaining a semi-conducting glass with high electrical conductivity was described. The authors have attempted to utilize a mixture of BaO(25%), TiO_2(45%) and SiO_2(30%)as the fundamental composition for this investigation,and to the mixture the flux(Na_2SiF_6), various reducing agents(carbon powder, Al, Zn or Mg powder, tartaric acid) and oxides(Fe_2O_3, SnO_2, Sb_2O_3, V_2O_5) were then added. Each batch being melted separately under different atmosph...
            本文叙述了高导电钛硅酸盐半导体玻璃的实际制备方法。作者在本研究中利用BaO—25%、TiO_2—45%、SiO_2—30%的基础玻璃组成,在其中分别添加助熔剂(Na_2SiF_6)、还原剂(碳粉,铝、锌或镁粉,酒石酸)以及少量氧化物(Fe_2O_3、SnO_2、Sb_2O_3、V_2O_5)配成多份料粉,各自在不同气氛下熔制。以酒石酸、镁粉、氧化铁作为外加物时,获得了室温时电导率为10~(-3)欧姆~(-1)·厘米~(-1)的玻璃。 组成中用Na_2O取代BaO,开始时玻璃的电导率升高,超过临界数量后,即现降低。 本文还简要地讨论了钛离子被碳还原的过程以及各种还原剂、外加氧化物和气氛对玻璃电导率的影响。 可以指出,钛硅酸盐玻璃的电导机构也是由电价变换来实现的,与钒酸盐玻璃中的作用相似。
文摘来源
         Considering the experimental methods used and results obtained by previous investigators on the preparation of silicon carbide by gaseous cracking, we have performed our experiments in a similar carbon plate resistance furnace in an atmosphere of hydrogen, argon or nitrogen at temperatures from 1400 to 2200℃. The vapor reacting agents used are either SiCl_4,CH_3SiCl-3, (CH_3)_3SiCl or the mixture of toluene and SiCl_4 or (CH_3)_3SiCl。Having examined carefully under polarising microscope, we revealed w...
            本文考虑了前人的研究条件和结果之后在类似的碳片炉内进行了裂化法合成碳化硅的实验,反应试剂为SiCl_4、CH_3SiCl_3、(CH_3)_3SiCl或SiCl_4及(CH_3)_3SiCl与甲苯的混合蒸气,气氛为H_2、Ar或N_2,温度为1400~2200℃。岩相法观察表明,在实验温度范围内制备的碳化硅晶粒内都包含α-SiC晶体的片状骨架,它们往往沿C画与β-SiC相间互生:α-SiC晶架的C面孪晶角为37.3°和70.2°;β-SiC则形成基体物质。 化学反应的自由能变化与温度的依赖关系的计算表明,裂化法的化学作用可以概括为以下三类:(1)SiCl_4的分解反应;(2)碳氢化合物的分解或简单碳氢化合物的介成反应;(3)各种可能合成碳化硅的反应。此外,也讨论了氯化硅烷反应剂系统的裂化反应。 根据实验结果,提出了裂化法生长β-SiC单晶的晶型控制问题,并认为解决这;一问题的重要性应不亚于晶体的大小与纯度。
文摘来源
         On the basis of investigation on the(La_(1-x)Sr_x) CrO_3 system, the authors had paid atten-tion mainly to study the structure of La_(0.84) Sr_(0.16) CrO_3. The samples used were synthesizedfrom La_2O_3、SrCO_3 and Cr_2O_3 at 1400℃. It was found that the structures of (La_(1-x)Sr_x)CrO_3belong to the cubic or pseudocubic crystal system. Moreover, the change in structures hasdefinite regularity and depends upon the value of x. The structure of La_(0.84)Sr_(0.16)CrO_3 belongsto the tetragonal system (with a =3...
            在研究(La(_1-x)Sr_x)CrO_3系的基础上,着重探讨了铬酸锶镧(La_(0.84)Sr_(0.16)CrO_3)的结构。采用La_2O_3、SrCO_3和Cr_2O_3,在1400℃合成以制取试样。(La_(1-x)Sr_x)CrO_3的结构属于立方或近似立方晶系,且随x值之不同,结构变化有一定规律。La_(0.84)Sr_(0.16)CrO_3为四方晶系(a=3.866埃,c=3.921埃,c/a=1.014)。作者首先将这种材料代替贵重的铂铑做成氧化锆质发热元件的“引线体”,元件在氧化介质中的使用温度高达2000~2100℃,并成功地用于各种类型的高温炉。文中还介绍了铬酸锶镧“引线体”的电学等若干物理性质和配制成氧化锆质发热元件的使用特性。
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