查询词典 si

In a-Si/poly-Si melting region, the shapes and sizes of poly-Si grains were quite different from those of NILC needlelike grains.

在此a-Si/poly-Si熔融区依雷射能量大小又被分成(1)几何合并区及（2）完全熔融区。

XRD results showed that the fabricated Si-SiC composites were composed of α-SiC,β- SiC and Si. The polytype of SiC was related to the reaction-heat during the sintering.

XRD结果表明Si-SiC复相陶瓷的主晶相为α-SiC，β-SiC和游离Si，不同晶型SiC的出现与试样烧结过程中Si/C反应的放热过程有关。

XRD results sho wed that the fabricated Si-SiC composites were composed of α-SiC,β- SiC an d Si. The polytype of SiC was related to the reaction-heat during the sintering .

XRD结果表明Si-SiC复相陶瓷的主晶相为α-SiC，β-SiC和游离Si，不同晶型SiC的出现与试样烧结过程中Si/C反应的放热过程有关。

The energetic and structural properties of SiH_2 adsorbed on single dimer vacancy of the Si(100)-c(4×2) surface, the structures of 0.5ML hydrogenated Si(100) surface and the deposition and diffusion behaviours of silicon adatom on the H-terminated Si (100) surfaces have been studied by using empirical tight-binding total energy calculations.

本文采用经验紧束缚近似方法研究了SiH_2在Si(100)-c(4×2)表面单空位处的吸附结构、0.5ML覆盖率氢化的硅表面结构以及附加硅原子在H-terminated Si(100)表面的沉积吸附行为。

The results show that an approximate parabola curve of infiltration depth versus infiltration time is proved. It is indicated that the main mechanisms of continuous netlike Si phase are dissolution-deposition and appendiculate deposition of Si.

组织观察结果表明， Si相呈网络状连续分布，其形成机制主要为浸渗时Si颗粒的溶解-析出机制和凝固过程中Si的附着析出机制。

In addition to Fe+(54Fe+, 56Fe+, 57Fe+), other fragment ions were detected in bacteriogenic pyrites, such as 27 Al+, Si+(28Si+, 29Si+, 30Si+), 40Ca+, Cu+(63Cu+, 65Cu+), Zn+(64Zn+, 66Zn+, 67Zn+, 68Zn+), Ni+(58Ni+, 60Ni+, 62Ni+), and C3H7+.

在杆状菌落成因的黄铁矿中，检测到的组成有 Fe+（54 Fe+、56 Fe+、57 Fe+）、 27 Al+、 Si+（28 Si+、29 Si+、30 Si+）、40 Ca+、 Cu+（63 Cu+、65 Cu+）、 Zn+（64 Zn+、66 Zn+、67 Zn+、68 Zn+）、 Ni+（58 Ni+、60 Ni+、62 Ni+）、 C3H7+。

At relatively high growth temperature (420℃), the RHEED intensity oscillations during Si (111) growth show a biatomic layer mode along either [112] or [110] azimuthal direction, which is believed to be due to the biatomic layer growth mode of Si on Si (111) substrates.

较高生长温度(420℃)下Si(111)生长时的RHEED强度振荡为双原子层模式，相信是由于Si(111)生长本身为双原子层模式之故。

The composite powders consisted of Si, Ni, Ag and a series of Si-Ni alloys. The SEM and TEM results showed that the composite powder consisted of clusters with space and network structures. The composite electrode exhibited higher reversible capacity and the initial columbic efficiency was up to 87 %, which was much higher than that of the pure Si electrode.

XRD结果表明，复合材料中含有Si、Ni、Ag以及一系列Si-Ni合金相；SEM及TEM结果表明，复合材料呈现网格状的团簇结构，而且有一定的层状厚度；电化学测试显示，该材料电极具有较高的首次嵌/脱锂容量，首次效率达87%，较纯硅粉电极有了很大的提高。

A series of polyaluminum silicate chloride with has basicity 2.0 and different Al/Si molar ratio, was prepared by means of two kinds of preparation methods: one is to add NaOH into AlC l3 6H 2O and polysilicic acid mixed solution at different Al/Si molar ratio, the other is to add polysilicic acid into polyaluminum chloride(PAC solution with different B at different Al/Si molar ratio.

一种方法是将 Na Cl 加入到不同 Al／ Si 摩尔比的 Al Cl3（6 H2O 和聚硅酸混合液中；另一种方法是按一定的 Al／ Si 摩尔比将聚硅酸加入到聚合氯化铝液中。

Secondly, the physical models of material paramters for pseudomorphic Si〓Ge〓 layers grown on＜100＞Si substrate is studied thoroughly.

其次，较全面地研究了赝晶生长在＜100＞Si衬底上的Si〓Ge〓外延层的材料参数模型，其中首次提出了应变Si〓Ge〓双带能带结构的等价有效简并度模型。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。