查询词典 planetary electron

The distribution of Na(superscript +) in intracellular and extracellular spaces in leaves of arrowleaf saltbush subjected to salt stresses was investigated by using a scanning electron microscope facilitated with an Auger electron spectrometer. The role of salt bladders in salt resistance of A. triangularis was analysed in terms of salt accumulation and secretion.

用扫描电镜和能谱仪测定不同浓度NaCl胁迫2 wk后的三角滨藜幼叶和成熟叶中Na在细胞外和细胞内的分布情况，并利用原子吸收分光光度计测定叶片中Na的积累量，同时还观测了盐囊泡及其与盐的积累、分泌之间的关系。

The distribution of Na^＋ in iutracellular and extracellular spaces in leaves of arrowleaf saltbush subjected to salt stresses was investigated by using a scanning electron microscope facilitated with an Auger electron spectrometer. The role of salt bladders in salt resistance ofA. triangularis was analysed in terms of salt accumulation and secretion.

用扫描电镜和能谱仪测定不同浓度NaCl胁迫2wk后的三角滨藜幼叶和成熟叶中Na^＋在细胞外和细胞内的分布情况，并利用原子吸收分光光度计测定叶片中Na^＋的积累量，同时还观测了盐囊泡及其与盐的积累、分泌之间的关系。

The effect of scandium addition on microstructure and corrosion properties of Al-5.3Cu-0.8Mg-0.6Ag-0.2Zr alloy was investigated using optical microscope, scanning electron microscope, transmission electron microscope, intergranular corrosion and exfoliation corrosion.

通过金相显微镜、扫描电镜、透射电镜、晶间腐蚀及剥落腐蚀等实验方法，研究钪对Al-5.3Cu-0.8Mg-0.6Ag合金的组织和腐蚀性能影响。

Effects of scandium addition on the microstructure and properties of Al-5.3Cu-0.8Mg-0.6Ag-0.2Zr (mass fraction,%) alloy were investigated using optical microscope, scanning electron microscopy and transmission electron microscopy, tensile testing and intercrystalline corrosion testing.

通过金相、扫描电镜、透射电镜、性能测试等实验方法，研究了Sc对铸态Al-5.3Cu-0.8Mg-0.6Ag-0.2Zr合金的组织和性能影响。结果表明，添加0.10 %～0.5 % Sc后，在室温到300 ℃测试范围内，合金的室温拉伸强度、高温耐热性能及晶界腐蚀性能得到了改善。

The ability of agent EDTA controlling the particle size was also discussed.The phase, structure and surface topography were analysised by X-ray diffraction, transmission electron microscope and scansion electron microscope.

用X射线衍射分析、透射电子显微镜、扫描电子显微镜对样品进行物相、结构和形貌分析，确定制备的样品均为六方晶相。

Binzhou Vocational CollegeAbstract: Using environmental scanning electron microscopy and X-ray electron probe microanalysis, the Pb relative content was studied in cortex, aleuronic layer, scutellum, plumule, hypocoty, radicle and endosperm in 20 genotypes of wheat grains.

从Pb与各元素在不同部位的相关性比较看，Pb与Mg等其它6种元素的相关系数较大的部位均是糊粉层，而胚芽中Pb与其它6种元素的相关系数较低。

At first, this paper gave the definition of real efficient secondary electron emission coefficient and discussed its relation the incident energy of high energy primary electron in metal in theory.

提出有效真二次电子发射系数的概念，并从理论上论述了高能原电子的能量与金属的有效真二次电子发射系数的关系，然后用实验数据证明了该理论的正确性，最后对结果进行了讨论。

By a theoretical model, influences from electron temperature, ion temperature, plasma flow and secondary electron emission are mainly analyzed.

主要讨论了电子温度、离子温度、等离子体流动以及二次电子发射对尘埃带电的影响；数值计算研究了尘埃带电的弛豫时间；在考虑了离子拖拽力作用下，估算了尘埃粒子在聚变装置中的运动速度；针对碳材料的尘埃理论计算得到了粒子的寿命。

The selection rules for electron-photon interaction in a two-dimensional electron gas (2DEG) in the presence of the Rashba spin-orbit interaction and quantizing magnetic fields in InGaAs/InAlAs-based spintronic system have been studied based on the semiclassic Boltzmann equation.

基于半经典玻尔兹曼方程的方法研究了InGaAs/InAlAs 系统中电子在Rashba自旋轨道耦合相互作用和外磁场作用下二维电子气(2DEG)的磁光吸收谱以及选择定则。

Using the semiclassical method of a two-level electron interaction with field under the assumptions of free-electron and weak field.

得到了在自由电子和弱场假设下两能级电子与场相互作用的波函数表达式。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。