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金刚石生长过程
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  diamond growth
     A STUDY ON THE CATALYTIC MACHANISM OF Fe-BASED ALLOY IN DIAMOND GROWTH
     金刚石生长过程中Fe基合金催化机制的研究
短句来源
     So it is believed that there must exist 3d-electrons transition in iron atoms in the γ-(Fe, Ni) in the film, from which the γ-(Fe, Ni) in the film could be thought as a catalyzing phase under diamond growth at HPHT.
     这表明Fe基金属包膜内γ-(Fe,Ni)中Fe原子的3d层电子状态发生了变化,包膜的γ-(Fe,Ni)在高温高压金刚石生长过程中是一催化相.
短句来源
     After studing various material behavior in the diamond synthesis processes and by measuring the factors in the HP/HT apparatus, we summerized the characteristics of diamond growth as follows :diamond grows on the graphite (G)-metal catalyst (Me) material interfaces.
     通过各种材料的试验和压机设备因素的测定,总结了金刚石生长过程的特性:金刚石晶体是在石墨(G)-触媒(Me)界面上生长;
短句来源
     A computer control system was developed on the basis of CVD diamond growth system. All the physical signals during the diamond growth were inspected and controlled, and the diamond growth without watcher was realized.
     在CVD金刚石生长系统的基础上设计开发了计算机控制系统,对金刚石生长过程中各物理信号进行监测与控制,实现了无人值守下金刚石的生长。
短句来源
     The results show that carbon content in the film adjacent to diamond (called the inner layer) are changing under the process of diamond growth, and it is higher than that in the solvent metal adjacent to diamond.
     结果表明 ,在金刚石生长过程中 ,接近金刚石单晶的包膜内层中的碳含量是变化的 ,但均高于接近金刚石的触媒层。
短句来源
  “金刚石生长过程”译为未确定词的双语例句
     Considering the template dynamics control factors' role of the surface, descriptions of growth mechanism of CVD diamond film such as thermodynamics factors, dynamics control, and surface reaction could be integrated into a unitary theory:a.
     这一描述包含了动力学控制模型、表面反应模型、氢原子刻蚀模型中合理的部分,在考虑了表面模板作用这一动力学控制因素以后,使热力学因素的影响、动力学控制、表面反应、氢原子刻蚀等对金刚石生长过程的描述合并为一完整的理论:
短句来源
     EFFECT OF COVERING FILM ON SYNTHETIC DIAMOND GROWTH: A STUDY
     包覆膜对金刚石生长过程的作用研究
短句来源
     [2] The theory of the dynamics and thermodynamics on the growth process of the diamond film: It includes the rational elements in the models of dynamics control, surface reaction and the hydrogen atoms etching.
     [2] 对金刚石生长过程给出了动力学热力学的综合描述:CVD固相碳的生长过程为受热力学因素影响,由表面模板控制的表面反应过程。
短句来源
     The change of the 3d shell electrons of Fe-based alloys at high pressure and temperature has been measured by using electron energy spectra and Mossbauer spectra,which reveab the bond reaction between the unpaired electrons in the 3d shell of Fe atoms and the 2Px electrons of carbon atoms in synthetic diamond.
     用X光衍射、电子能谱及Mossbauer谱实验方法,测量了高温高压条件下Fe基合金中Fe原子的3d壳层电子状态的变化,揭示了人造金刚石生长过程中,Fe原子3d壳层未成对电子与2P电子之间的键合。
短句来源
     It is suggested that, because of the strong action of Fe-C, Fe tends to stay in diamond during its growth.
     认为 :由于Fe -C相互作用较强 ,在金刚石生长过程中 ,Fe元素容易以包裹体的形式进入金刚石内部。
短句来源
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  相似匹配句对
     Initial growth process of diamond crystal synthesized by HFCVD method
     HFCVD法合成金刚石的初期生长过程
短句来源
     RAMAN ANALYSIS ON GROWTH PROCESS OF CVD DIAMOND FILMS
     CVD金刚石生长过程的Raman分析
短句来源
     EFFECT OF COVERING FILM ON SYNTHETIC DIAMOND GROWTH: A STUDY
     包覆膜对金刚石生长过程的作用研究
短句来源
     Interfacial State and Growth Process of Diamond Films
     金刚石薄膜界面状态及其生长过程的研究
短句来源
     Phase Diagrams in C-H-N System for Low Pressure CVD Diamond Growth
     C-H-N体系生长金刚石薄膜
短句来源
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  diamond growth
We determined the fields of carbon solutions in pyrrhotite melt showing labile and metastable oversaturation with respect to diamond, which correspond to the spontaneous nucleation of the diamond phase and diamond growth on seeds, respectively.
      
The results obtained make it possible to estimate the temperature and duration of natural diamond growth.
      
A projective ternary phase diagram of stationary non-equilibrium states for low-pressure diamond growth
      
Not all of these seeds however are prone to diamond growth as they can be either dissolved or carburized.
      
Metastable diamond growth in the laboratory is well established and its occurrence in natural systems is proposed.
      
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After studing various material behavior in the diamond synthesis processes and by measuring the factors in the HP/HT apparatus, we summerized the characteristics of diamond growth as follows :diamond grows on the graphite (G)-metal catalyst (Me) material interfaces. Since the rasistance R(G)>R(Me),temperature T(G)>T(Me) and the heat exchange with outside,et al. ,the pressure and temperature gradients thus created in the cell will become the driving force of diamond growth. Too large or too small a driving force...

After studing various material behavior in the diamond synthesis processes and by measuring the factors in the HP/HT apparatus, we summerized the characteristics of diamond growth as follows :diamond grows on the graphite (G)-metal catalyst (Me) material interfaces. Since the rasistance R(G)>R(Me),temperature T(G)>T(Me) and the heat exchange with outside,et al. ,the pressure and temperature gradients thus created in the cell will become the driving force of diamond growth. Too large or too small a driving force will be harmful to diamond growth. On the surface of each diamond crystal grain,there is a thin metallic layer of thickness about 15 -20μm. This metalic thin film can both act as the carbon carrier as well as the catalyst. The growth of a coarse grain of high-strength diamond requires a stable synthesis system. The paper analysed the property of such a system and proposed a way to establish the system.

通过各种材料的试验和压机设备因素的测定,总结了金刚石生长过程的特性:金刚石晶体是在石墨(G)-触媒(Me)界面上生长;因电阻T_(G)>R_(Me)、温度T_(G)>T_(Me)以及与外界热交换等原因,使合成腔内产生压力、温度梯度,成为金刚石生长之驱动力。梯度过大过小对金刚石生长均不利;金刚石晶体在G-Me界面两侧是非对称性生长;每个晶粒表面有一特殊结构约20μm左右厚的金属薄膜,它起到运载碳源和催化的双重作用。要合成粗粒高强金刚石,需要有一个稳定的合成体系。本文分析了该体系状态的性质及稳定的必要性与稳定的具体方法。

The change of the 3d shell electrons of Fe-based alloys at high pressure and temperature has been measured by using electron energy spectra and Mossbauer spectra,which reveab the bond reaction between the unpaired electrons in the 3d shell of Fe atoms and the 2Px electrons of carbon atoms in synthetic diamond.

用X光衍射、电子能谱及Mossbauer谱实验方法,测量了高温高压条件下Fe基合金中Fe原子的3d壳层电子状态的变化,揭示了人造金刚石生长过程中,Fe原子3d壳层未成对电子与2P电子之间的键合。

The unfired free carbon in the detonation products of negative oxygenbalance explosives can be converted to the ultradispersed diamond(UDD),with nanometers sizes on the effects of high temperature and high pressure in the reactionzone.This process was described approximately by the rapid coagulation dynamics of liquid drops.The detonation temperature of explosives and the properties of small particals were used to research the limiting condition of the growth of UDD,and probably,the quasimelting regime of...

The unfired free carbon in the detonation products of negative oxygenbalance explosives can be converted to the ultradispersed diamond(UDD),with nanometers sizes on the effects of high temperature and high pressure in the reactionzone.This process was described approximately by the rapid coagulation dynamics of liquid drops.The detonation temperature of explosives and the properties of small particals were used to research the limiting condition of the growth of UDD,and probably,the quasimelting regime of UDD particals can be regarded as this limiting condition.This result was supported by the simple calculation of the growth time of UDD in the reactionzone.

负氧平衡炸药爆轰产物中未被氧化的游离碳,在反应区内高温高压的作用下可以转化为纳米级的超细金刚石,这一过程可以近似用液滴的快速聚集动力学理论来描述.本文利用炸药爆温以及小粒子性质研究了超细金刚石生长过程中受到的尺寸限制条件.结果表明,超细金刚石粒子的准熔化相区域可能是影响其生长的限制条件,有关超细金刚石生长时间的估算支持上述结论.

 
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