The concentration control of silicon doping in VB-GaAs monocrystal growth process was discussed. The modification to the factor of doping silicon into GaAs bulk was proposed.

1、

The oxygen parameter as well as the mean size of interstices of tetrahedral and octahedral also appears a certain influence of silicon doping.

掺入的Si~（4+）阳离子有很强的占据类尖晶石结构中四面体位的趋势，对氧参数及四面体位和八面体位的平均间隙大小也有一定影响。

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2、

Influence of Silicon Doping on the Structure and the Magnetic Property of γ-Fe_2O_3 Particle

掺硅对γ-Fe2O3微粒的结构和磁性能的影响

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3、

The paper gives a detailed account of various kinds factors which affect on NTD silicon doping precision on the basis of a great amount of experiments and measurements. It also gives some quantitative and qualitative results.

本文在大量实验测量的基础上，对影响NTD硅掺杂精度的因素作了较为详细的研究，给出了一些定量和定性的结果。

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4、

Factors Affecting on NTD Silicon Doping Precision

影响NTD硅掺杂精度的因素

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5、

Fazekas is the second athlete in two days to lose a gold medal for doping.

法泽卡斯是两天之内由于服用兴奋剂而被剥夺金牌的第二名运动员。

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6、

Vacuum Ionic Plating Gold Doping Technology

真空离子掺金镀技术

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7、

A novel structure of ideal ohmic contact p+ ( SiGeC)-n& n+ diodes with three-step graded doping concentration in the base region is presented, and the changing doping concentration gradient is also optimized.

将新器件结构与新型半导体材料相结合，提出了一种新型的n-区三层渐变掺杂理想欧姆接触型p+（SiGeC）-n&n+异质结功率二极管，并对n-区的杂质分布梯度进行了优化。

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8、

By using the definition of effective doping concentration gradient and depletion approximation, an analytical solution for avalanche breakdown voltage of double sided asymmetric linearly graded junction has been derived.

通过有效掺杂浓度梯度的定义和耗尽近似求解，得到非对称线性缓变结击穿电压的简洁表达式。

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9、

Study on the Al/ Ag doping functional gradient thin films deposited by pulsed excimer laser

脉冲激光沉积Al/Ag掺杂功能梯度薄膜

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10、

However, as elevating doping gradient and reducing the medium thickness, the intensity of ASE effect will rises and depress the gain efficiency.

但是，随着掺杂浓度梯度的升高与介质片厚的降低，介质的增益水平将由于ASE效应降低。

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11、

Computer simulation of the stationary domain in a Gunn diode with a positive doping gradient near the anode

Gunn器件中掺杂梯度引起的静止畴的计算机模拟

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12、

Common donor dopants are Y 3+ and Nb 5+ Usually donor doped content lies in range from o 2 to 0 3 percent Factors influencing on the content are purity of used raw materials, flux for sintering, donor doping process and the others.

常用的施主加入物是Y3＋和Nb5＋，施主掺入量一般控制在x＝0.2%～0.3%为宜。影响施主掺入量的因素有原料纯度、烧结助剂、掺入施主的工艺等。

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13、

The effects of donor doping amount, cooling conditions after sintering and oxidation temperatures on the semiconductivity of SrTiO_3 have been studied.

研究了施主掺杂量，烧成后的冷却条件、氧化温度对SrTiO3半导化的影响。

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14、

An Anomaly Phenomenon of the Interaction Between Donor Doping and Acceptor Doping in Highly Donor-Doped BaTiO_3 Ceramics

高施主掺杂BaTiO3陶瓷中施、受主杂质相互作用的一种异常现象

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15、

Effect of Liquid-phase Donor Doping and High Calcium Adding on Performance of PTC Material

液相施主及高钙添加对PTC材料性能的影响

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16、

Research on Semiconductor Ceramic Materials: Double Donor Doping BaTiO_3

双施主掺杂BaTiO3半导体陶瓷材料的研究

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17、

Using liquid-phase donor doping and calcium adding etc method to optimize the formulation, a PTCR material was acquired.

采用液相施主掺杂和添加钙等方法优化配方制成PTCR材料。

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18、

Research on Donor Doping of TiO_2-based Varistor Ceramics

TiO2系压敏陶瓷施主掺杂研究

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19、

The effect of doping agent on synthesis magnesium nickel hydrogen storage alloys through XRD, SEM and measure equipment of dehydriding velocity and dehydriding content are studied.

借助XRD、SEM和自制放氢量的测试装置研究了掺杂对氢化燃烧合成镁镍储氢合金性能的影响。

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20、

By tetrabutyl titanate as titanium source, the ammonium carbonate as the doping agent, used the sol-gel method to prepare titanium dioxide photocatalyst.

以钛酸四丁酯为钛源，碳酸铵为掺杂剂，采用溶胶-凝胶法制备了含氮的二氧化钛光催化剂。

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