查询词典 donor impurity

"When the metal is molten, and all impurity is removed, the furnace tilt s and steel pours out."

当炉中金属熔化，除去所有的杂质之后，将炉子倾斜，倒出钢水。

In laser assisted microprocessing, the temperature of the spot irradiated by laser has a tremendous impact on the distribution of impurity concentration, the depth of p-n junction , the resistance of ohm contact and so on. In order to improve the performance of the devices, the temperature of the exposed region should be measured accurately.

在激光微细加工中，激光曝光区的温度对激光诱导扩散生成p-n 结的结深、杂质浓度的分布和激光辅助合金生成欧姆接触的接触电阻等具有决定性影响，必须准确测定。

In magnetic fields,crystal growth is similar to that in the space of weightless impurity motion is diffusion-controlled.

在这种条件下，杂质和掺杂剂的运动方式受扩散规律控制。

By analyzing the changes of precipitation ratio, particle size and morphology, the effect of the impurity ingredient contained silicon on the process of precipitation of sodium aluminate was studied.

摘 要：研究了二氧化硅对铝酸钠溶液分解过程的分解率、产品粒度及形貌的影响。

The optimized sieve parameters reduce the vertical amplitude of the sieve backend, making the grains go easily through the sieve pores to be separated, and consequently help to reduce the grain loss rate and impurity rate.

优化后得到了较优的振动筛参数，有利于减小振动筛后端的垂直振幅，使得谷粒更容易穿过筛孔完成分离，有利于减小损失率和含杂率。

Through thermodynamic calculation and experiment analysis, the cause of impurity forming in preparing La1-xSrxMnO3 by self-propagating high-temperature synthesis was studied and the suggestion was given in this paper to avoid or diminish it.

热力学计算和实验分析相结合，分析了自蔓延高温合成 La1-xSrxMnO3过程中杂质产生的原因并给出了消除杂质的方法。

A novel method used for segmentation of nucleus is proposed: filter the origin image with the median filter in both horizontal and vertical direction, which has a fairly wide window size, in order to reduce the infection of the noise and impurity; in both direction, use the threshold combined with the technology of finding the peak in local area to detect the real nucleus edge, and thus minimize the non-nucleus edge; also in both direction, let the border growing respectively using the type information; thereafter, weed the short border and link the border together to segment the nucleus, exploiting the convex character and border type.

提出一种新的细胞核分割方法：对图像使用水平和竖直方向的中值滤波，使用较大的尺度，尽量的消除杂质、噪声影响；在两个方向分别使用采用阈值限制以及局部最大值的方法检验边界，使非细胞核边界被剔除；在两个方向分别利用边界点的类型进行边界生长；边界生长完毕以后，剔除短边界，用两个方向获得的边界进行连接，充分利用其凸凹性和边界类型，完成分割。

Color and luster, outside hardness, fracture, acid value, saponification value, iodine value, benzene insoluble, white to light yellow, smooth and shining on surface, without obvious impurity, being hard and crispy, fracture being horse tooth structure with luster.

色泽与外观硬度、断面酸值皂化值碘值苯不溶物白色至微黄，表面光滑有光泽，无明显杂质，质硬而脆，断面呈马牙状有光泽。

Color and luster, outside hardness, fracture, acid value, saponification value, iodine value, benzene insoluble, white to light yellow, smooth and shining on surface, without obvious impurity, being hard and crispy , fracture being horse tooth structure wi

色泽与外观硬度、断面酸值皂化值碘值苯不溶物白色至微黄，表面光滑有光泽，无明显杂质，质硬而脆，断面呈马牙状有光泽。

Because they contain some impurity and a lot of water and their color presents green or yellowish brown, they are hard to employ.

由于其含杂质、水分多，颜色呈绿色或黄褐色，难以利用。

The witness also told the jury at the Royal Courts of Justice in London that he saw a paparazzo fighting with a member of the public who was trying to stop him taking pictures in the minutes before the emergency services arrived.

他还告诉在伦敦皇家法庭的陪审团，在急救服务到来之前，他当时看见一个狗仔队正和一群阻止他拍照的人打架。

The entire N／C program on a tape is made up of an accumulation of these successive data blocks.

纸带上的整个数控程序由这些连续数据单元连接而成。