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hot filament
相关语句
  热丝
     C_3N_4 Films Prepared by Hot Filament Assisted RF Plasma CVD
     热丝辅助射频CVDC_3N_4薄膜(英文)
短句来源
     STRUCTURE ANALYSIS OF C N THIN FILMS PREPARED BY HOT FILAMENT CVD
     热丝CVD法制备C-N薄膜的结构分析
短句来源
     Nanocrystalline SiC films have been synthesized on Si(111) substrate by hot filament chemical vapor deposition(HFCVD) technique with CH4 and SiH4 as reaction gases.
     采用热丝化学气相沉积(HFCVD)技术以甲烷(CH4)和硅烷(SiH4)作为源反应气体在Si(111)衬底上合成了纳米晶态SiC薄膜。
短句来源
     Diamond film was deposited on the ceramic substrates of Si_3N_4, AIN, and sialon by hot filament chemical vapor deposition (HFCVD).
     用热丝法在Si_3N_4,AlN,sialon陶瓷基材上沉积了金刚石薄膜。
短句来源
     GENETIC OPTIMIZATION OF HOT FILAMENT PARAMETERS IN HFCVD SYSTEM
     HFCVD系统热丝参数遗传优化(英文)
短句来源
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  热灯丝
     Diamond films have been grown on a single crystal C-BN substrate by the hot filament CVD method,and heteroepitaxial growth of diamondon the C-BN(100)facets was observed.
     用热灯丝CVD方法在C-BN单晶衬底上制备出金刚石膜,并且在C-BN(100)面上观察到金刚石的异质外延。
短句来源
     Heteroepitaxial Diamond Films Growth on Si(100) by Emission Electron Via Hot Filament CVD
     利用发射电子法经由热灯丝CVD在Si(100)上合成局域异质外延金刚石膜
短句来源
     Diamond thin films were deposited on molybdenum substrate by Hot Filament Assisted Chemical Vapour Deposition(HFACVD) method in H2 plus CH4 mixture precursor.
     用热灯丝铺助化学汽相沉积(HFACVD)法,以H_2十CH_4为原料在钼基板上沉积出了金刚石膜。
短句来源
     For hot filament array, seasonal distribution and uniformity of temperature have been shown.
     对于热灯丝阵列,基底表面的温度表现出一定的周期性分布,在宏观上表现出较好的均匀性。
短句来源
     Thick diamond films have been deposited by Electron Assisted Hot Filament Chemical Vapor Deposition Method.
     研究了电子辅助热灯丝法生长金刚石厚膜过程中氢气流量对沉积速度和膜品质的影响 .
短句来源
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  “hot filament”译为未确定词的双语例句
     β C 3N 4 research is one of the hottest topics in condensed matter physics and materials sciences. By using bias hot filament chemical vapor deposition,for the first time,we have synthesized β C 3N 4 single crystasl 1 3μm in length and 300 500nm in cross section. Its lattice parameters are a =6 24 and c= 2 36 with N∶C=1 30 1 40.
     βC3N4的研究是近年来凝聚态物理和材料科学研究的热门课题之一.我们利用偏压辅助热解化学气相沉积方法,首次获得长1—3μm,横截面尺寸在300—500nm的βC3N4六棱体.其晶格常数a=624和c=236.N∶C=130—140.
短句来源
     The number density of H,CH_3 and CH_2 depends upon the distance from hot filament.
     电子与气体分子碰撞产生的碎片H、CH3 和CH2 的数密度随距热丝的距离而变化;
短句来源
     A four-step growth process in hot filament chemical vapor deposition was used,and compact,uniform diamond thin films with smooth surface (surface roughness<10 nm),300 nm depth,grain size 100 nm~150 nm high quality and high transmittance were successfully synthesized. The optical transmittance reached 74%~85% in the longer wave range 1 μm~5 μm.
     采用HFCVD中四步法生长工艺 ,制备出了表面粗糙度小于 10nm、膜厚 30 0nm、晶粒直径 10 0nm~ 15 0nm、致密、均匀、高质量和高光透射率的金刚石膜 ,其 1μm~ 5 μm波段的光透射率达 74 %~85 %。
短句来源
     A sample is analyzed, which is made under the typical conditions (hot filament 2 000℃, substrate 800℃, and carbonation time 5 minute). Its carbonated layer, 20 mm thick, consists of a 3C-SiC layer of rich-C, a 3C-SiC layer and a Si layer containing C element from the surface to the inside.
     并对典型工艺条件(钨丝温度2 000℃,衬底温度800℃,衬底碳化时间5 min)下制备的样品的碳化层进行分析,得出其厚度约为20 nm,由富C的3C-SiC层,3C-SiC层和含C的Si层组成。
短句来源
     The obtained optimized conditions are: temperature of carbonized hot filament 2 000℃, HF corrosion 30 seconds and H2 etching 10 minutes.
     HF酸蚀30 s; H2刻蚀10 min。
短句来源
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  hot filament
We studied the use of carbon nanotubes as a seeding layer for the nucleation of diamond on Si (100) substrate by using a hot filament chemical vapor deposition (HFCVD) system.
      
Nucleation of diamond over nanotube coated Si substrate using hot filament chemical vapor deposition (CVD) system
      
We demonstrate for the first time that the ejection of tungsten atoms from a hot filament can be modeled by a binomial distribution.
      
A study of diamond synthesis by hot filament chemical vapor deposition on Nc coatings
      
Depositions of hot filament chemical vapor-deposited diamond on cobalt-cemented tungsten carbide (WC-Co) rotary cutting dental burs are presented.
      
更多          


In this paper a microwave standard noise source which produces noise by healing a metal filament is described. Its design and the measurement of effective noise tem- perature are discussed in detail. A new method for estimating the effect of losses of glass envelope and tuning elements on-the effective noise temperature is presented. The effect of the cold end of the hot filament is also quantitatively corrected. The results of the experiments and the error analysis are given. This noise source can give...

In this paper a microwave standard noise source which produces noise by healing a metal filament is described. Its design and the measurement of effective noise tem- perature are discussed in detail. A new method for estimating the effect of losses of glass envelope and tuning elements on-the effective noise temperature is presented. The effect of the cold end of the hot filament is also quantitatively corrected. The results of the experiments and the error analysis are given. This noise source can give a standard noise with an excess noise ratio up to & db., the maxium possible error being ±0.2 db... Neon-filled. gareous discharge noise tubes are calibrated by using this hot filament stand4rd noise source A new calibrating method is given. The excess noise ratio obtained by calibrating a S-band neon-filled noise the is 18. 58 db., with a maxium posible error ±0.4 db..

本文介绍了一种用加热金属丝来产生噪声的微波标准噪声源。对其设计与有效噪声 温度的量测进行了较详细的讨论。提出了一种量测玻壳和调谐元件损耗对有效噪声温度 影响的方法。对热丝冷端的影响进行了定量修正。 给出了实验结果和误差分析。表明这种噪声源可给出超额噪声比达8分贝的标准噪 声,误差不大于±0.23分贝。 用这热丝式标准噪声源对充氮气体放电噪声管进行了校准。讨论了校准方法,给出 了一种较好的方案,对s波段充氖管校准所得超额噪声比为18.58db,误差不大于 ±0.4 db。

A hot surface ionization detector is described in this paper. The hot surfaces in the detector are made of tungsten filaments and the ion collector is a tungsten wire grid around the hot filaments. To prevent alkali metal vapor from condensing on the wires, the tungsten wires are heated to 400℃. The insulator among 4 electrodes of the detector is inserted in a enclosed metal envelope. By means of a labyrinth packing, electric conducting layer can not form on the insulator. The detector...

A hot surface ionization detector is described in this paper. The hot surfaces in the detector are made of tungsten filaments and the ion collector is a tungsten wire grid around the hot filaments. To prevent alkali metal vapor from condensing on the wires, the tungsten wires are heated to 400℃. The insulator among 4 electrodes of the detector is inserted in a enclosed metal envelope. By means of a labyrinth packing, electric conducting layer can not form on the insulator. The detector has been applied to quick measurement of the density of an alkali metal vapor jet. Some experimental results of the detector for a supersonic lithium vapor jet are given.

本文描述的热表面电离探测计适用于碱金属蒸气流密度的快速测量。同时给出了探测计在超声速锂蒸气流靶中的实验结果。

Diamonds were grown on synthetic diamond substrates froma mixed source material of methane and hydrogen by the hot filament CVDmethod. Eptaxial growth on the (100) face of diamond substrates and po-lycrystalline layer growth on the (111) and (110) faces were observed.

本文采用热灯丝化学气相沉积法,以甲烷和氢气为原料气体,在用高温高压法合成的金刚石的(100)面上外延生长出金刚石,在(110)面和(111)面上生长出多晶金刚石微粒。

 
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