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固体材料
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  “固体材料”译为未确定词的双语例句
    2-D single and multiple layered models were made of plexiglass (1000×200×10mm~3)and aluminum(1000×25×10mm~3),which were placed in air and water respectively. Both the kinematic and dynamic characteristics of converted waves in the layered medium models were analysed using both theoretical calculation and model experiment.
    采用有机玻璃板(1000×200×10,单位 mm)和铝板(1000×25×10,单位mm)两种固体材料,分别在空气及水中构成单层和多层二维层状介质构造模型,然后通过理论计算与模型试验相结合的方法,对这种层状介质模型中转换波的运动学、动力学特征进行了分析研究。
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    Five single crystals of the natural diamonds,four Synthetic diamonds and two diamond-like films (PCVD film) have been investigated by means of ESR method. The results show that there are four kinds of N-center free radicals and one kind of C-center free radical in the Ib type natural diamonds, and the unpaired electron is located on an antibonding orbital of the N3 impurity center in the IaB3 type natural diamonds.
    用ESR方法对照研究了中国出产的五颗天然金刚石单晶.四颗人造金刚石单晶和两个化学沉积金刚石膜(CVD)等固体材料.发现Ib型天然金刚石中有四种aN各向异性的N-中心自由基和一种C-中心自由基; 而IaB3型的未配对电子定域在N3型杂质中心的π*反键轨道上;
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  solid material
These flows are due to the effect of the heat-release source, the propagation of perturbations induced by elements of the rigid wall, and the dynamics of conductive heat transfer in the solid material.
      
This model includes the heat- and mass-transfer and kinetic-gasdynamic processes in the gas phase above the surface of burning solid propellant, as well as the heat-transfer processes in solid material.
      
Distribution of macro-and microelements, found in precipitation in dissolved and suspended forms (solid material) is considered.
      
In VIB theory, the solid material is considered to consist of random-distributed material particles in microscale.
      
The tensile slrength of the bond between water and solid material is the predominant parameter.
      
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2-D single and multiple layered models were made of plexiglass (1000×200×10mm~3)and aluminum(1000×25×10mm~3),which were placed in air and water respectively.Both the kinematic and dynamic characteristics of converted waves in the layered medium models were analysed using both theoretical calculation and model experiment. The experiment result shows the following properties: 1.PS wave events in hyperbola form are obvious. 2.Amplitudes are characterized by A_S>A_(PS)>A_P>A_(PP). 3.In frequency,f_(PP)>f_(PS),and...

2-D single and multiple layered models were made of plexiglass (1000×200×10mm~3)and aluminum(1000×25×10mm~3),which were placed in air and water respectively.Both the kinematic and dynamic characteristics of converted waves in the layered medium models were analysed using both theoretical calculation and model experiment. The experiment result shows the following properties: 1.PS wave events in hyperbola form are obvious. 2.Amplitudes are characterized by A_S>A_(PS)>A_P>A_(PP). 3.In frequency,f_(PP)>f_(PS),and in different medium,f_(wat )>f_( u- minum)>f_(pl xiglass). 4.The phase angles corresponding to dominant frequencies of same kind of waves recorded at different distances manifest small differ- ences. Using these properties together with correlation analysis and stack analyses,we can identify converted wave and find its correct arrival time,thus giving the basis for solving inverse problem and for deter- mining Q value.

采用有机玻璃板(1000×200×10,单位 mm)和铝板(1000×25×10,单位mm)两种固体材料,分别在空气及水中构成单层和多层二维层状介质构造模型,然后通过理论计算与模型试验相结合的方法,对这种层状介质模型中转换波的运动学、动力学特征进行了分析研究。试验结果表明:①PS 波在波形记录上有明显的同相轴显示,并呈双曲线形状;②振幅特征表现为 A_S>A_(PS)>A_P>A_(PP);③频率特征表现为,f_(PP)>f_(PS),而且在不同介质层中有 f_水>f_铝>f_(有机玻璃);④在不同观测距离上,相同震相的主频对应的相位角变化不大。依据这些特征,再利用相关和叠加分析方法就可以识别出转换波,求得较正确的到时,从而为构造反演及预测介质的 Q 值提供了条件。

The experiment of compressive deformation with limestone,wax/rosin/cement mix(?)ure and epoxyat room temperature shows that the failure regimes of specimens transit from brittle to ductile with in-creasing confining pressure and raising plasticity of materials.Their macroscopic structures change frombrittle monoclinic and semi—brittle conjugate fractures,to semi—ductile and ductile netlike flow,and,finally,to ductile homogeneous flow.A post—yield slow—slop or strain—hardening segment onstress—strain curve corresponds...

The experiment of compressive deformation with limestone,wax/rosin/cement mix(?)ure and epoxyat room temperature shows that the failure regimes of specimens transit from brittle to ductile with in-creasing confining pressure and raising plasticity of materials.Their macroscopic structures change frombrittle monoclinic and semi—brittle conjugate fractures,to semi—ductile and ductile netlike flow,and,finally,to ductile homogeneous flow.A post—yield slow—slop or strain—hardening segment onstress—strain curve corresponds to netlike or homogeneous plastic—flow in specimen.The stress increasesand desceuding slop or decrease of slop appears.This indicates connecting of macroscopic fractures ofspecimen.This leads conjugate flow network or superposition of macroscopic structures.The formalorthogonalizes approximately,the latter intersects obliquely.The creep tests indicated further that variousmacroscopic flow structures of deformed specimens can be reflected by the values of stress exponents n inexponent flow law for steady state creep:n of netlike flow is considerably greater than 1 and isnon—Newtonian;n of homogeneous flow is equal or approximate to 1 and is Newtonian.

石灰岩、石蜡-松香-水泥粉混合物和环氧树脂等固体材料室温下的压缩变形实验表明,随着围压的加大和材料可塑性的增强,试件破坏形式由脆性转变为延性,在宏观结构上表现为从脆性单斜破裂、半脆性共轭破裂,到半延性和延性网状流动,以及延性均匀流动的转变.材料屈服后在应力-应变曲线上所出现的平缓段或应变硬化段对应着试件中的网络状或均匀塑性流动;随着应变的增大,当出现负坡或坡度减小现象时,则标志着试件内宏观破裂的贯通,在宏观破坏结构上往往表现为共轭流动网络与共轭破裂网络的重叠,前者网带近似正交,后者斜交.蠕变实验进一步表明,稳态蠕变幂次流动律的应力指数n 值的大小反映了试件不同的宏观流动结构:网络状流动,n 显著大于1,为非牛顿流;均匀流动,n 等于或近似于1,为牛顿流或近似牛顿流.

Five single crystals of the natural diamonds,four Synthetic diamonds and two diamond-like films (PCVD film) have been investigated by means of ESR method. The results show that there are four kinds of N-center free radicals and one kind of C-center free radical in the Ib type natural diamonds, and the unpaired electron is located on an antibonding orbital of the N3 impurity center in the IaB3 type natural diamonds.The ESR spectra of the Ib type synthetic diamonds are similar to the natural diamonds,except that...

Five single crystals of the natural diamonds,four Synthetic diamonds and two diamond-like films (PCVD film) have been investigated by means of ESR method. The results show that there are four kinds of N-center free radicals and one kind of C-center free radical in the Ib type natural diamonds, and the unpaired electron is located on an antibonding orbital of the N3 impurity center in the IaB3 type natural diamonds.The ESR spectra of the Ib type synthetic diamonds are similar to the natural diamonds,except that the linewidthes are broader since they contain some paramagnetic elements,such as Ni,Fe,etc.For diamond films,the concentration of the C-center free radicals varies greatly . however,the concentration of the N-center free radicals,which are usually quite low in diamond-like films, varies relative slightly.Finally,the two satellite peaks of the C-center free radicals are found to be the direct evidence of the existence of hydrogen atoms in the PCVD films.

用ESR方法对照研究了中国出产的五颗天然金刚石单晶.四颗人造金刚石单晶和两个化学沉积金刚石膜(CVD)等固体材料.发现Ib型天然金刚石中有四种aN各向异性的N-中心自由基和一种C-中心自由基;而IaB3型的未配对电子定域在N3型杂质中心的π*反键轨道上;Ib型人造金刚石含有少量Ni,Fe等顺磁元素造成ESR线增宽,仅可观察到二重或三重裂分;在不同金刚石膜中.c-中心自由基的浓度可以相差很大.而低浓度的N-中心自由基的浓度相对变化较小;所观察到的C-中心自由基的两个卫星峰(aH=7.2×10-4T)是金刚石膜中1H存在的直接证据.结果表明ESR方法是金刚石及类金刚石材料的一种快捷而有效的表征方法.

 
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