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diffuse from
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     7.Owt% Al and 0 25wt% Cu diffuse frommatrix to particles and about 9.7 Iwt% Si (as many as 97 1% of Si contents in primary 5102 particle)and about 0 26wt% 0 (as many as 2.6% of 0 contents in primary Si02 particle) diffuse from SiO?
     约有9.71wt%Si(为原颗粒中Si含量的97.1%)和0.26wt%O(为原颗粒中含O量的2.6%)扩散到基体中。
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     But above 700℃, the resistivity decreases suddenly, as the Nb ion diffuse from LiNbO3 into ZnO and occupied the interstitial sites.
     LiNbO3中的Nb扩散到ZnO中去,占据间隙位置,相当于失主能级,形成电阻率低的n型ZnO薄膜。
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     This is attributed to the fact that the sodium ions produce recombination centers of photo-generated electron-hole pairs on the surface and in the interior region of TiO2 particles, since the sodium and calcium ions easily diffuse from the soda lime glass substrate into TiO2 thin films during the heat treatment.
     研究结果表明:在热处理过程中钠钙离子容易从玻璃基体扩散到TiO_2薄膜内,在TiO_2颗粒表面和本体形成光生电子和空穴的复合中心,同时抑制具有光催化活性的锐钛矿相TiO_2的形成。
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     Oxidation driven Ge atoms diffuse from the SiGe film to the top silicon layer.
     氧化将会促使Si Ge薄膜中的Ge原子扩散到SOI材料的顶层硅中.
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     at the same time carbon atoms diffuse from pearlite steel with low alloys to austenite welded metal with high alloys, namely carbon migration, which result in carbon-enriched zone in austenite steel side and carbon-depleted zone in pearlite steel side. Part of the carbon atoms migrated from pearlite steel solve in the marstenite base metal, and the surplus carbon atoms form M23C6 carbon oxide along the weld interface.
     还会发生碳的迁移,即碳原子从合金元素含量较低的珠光体钢侧越过熔合线扩散到合金元素含量较高的奥氏体焊缝侧,结果会在珠光体钢侧形成软化区而在焊缝内形成硬化区,扩散到焊缝中的碳除了一部分溶入马氏体基体外,其余部分以M_(23)C_6碳化物的形式沿熔合线析出;
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     During the reaction between SiO 2 particles and Al-Mg, about 7.0wt%Al, 2.8wt%Mg and 0.26wt%Cu diffuse from the outside to the inside of particles, about 9.74wt%Si and 0.23wt%O do on the contrary. The final particles mainly consist of MgAl 2O 4.mpositesarecomposedofM
     在颗粒SiO2 与Al-Mg反应过程中 ,约有复合材料中质量分数为 2 .8%Mg和7.0 %Al及 0 .2 6 %Cu扩散入颗粒内 ,颗粒内约有质量分数为 9.74%Si,0 .2 3 %O被置换到颗粒外 ,颗粒主要由MgAl2 O4 组成
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  “diffuse from”译为未确定词的双语例句
     Since the atomic ratio of F/Mg in the F-rich area was higher than 2/1, that of MgF_2, it could be supposed that the fluorine might diffuse from the protective atmosphere to the bulk melt of AZ91D magnesium alloy through the F-rich zone.
     富F区中F/Mg原子比显著大于MgF2中的2/1,F可能通过富F区域不断从保护气氛向AZ91D镁合金内部扩散形成MgF2。
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     Results 32 P may diffuse from tumor to other organs if we injected it into the center of tumors,when the dose of 32 P colloidal injected into tumor was determined,the systemic distribution of 32 P in injected MAA groups in advance was lower than that in only injected colloidal 32 P group,but the systemic distribution of 32 P in 1×10 5 MAA group was lower than that in 1×10 4 MAA group;
     当向肿瘤内注射的32 P胶体剂量相同时 ,预先注入 1× 10 4颗粒MAA和 1× 10 5颗粒的两组小鼠 ,其体内32 P的分布均比未注射MAA的一组小鼠要少 ,其中 1× 10 5颗粒MAA组的小鼠 ,32 P体内分布又比 1× 10 4颗粒MAA组少 ;
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     During the reaction Al and Mg diffuse from outside SiO2particles to inside and Si, which reduced from SiO2, however, diffuse to outside.
     反应时Al、Mg由SiO2颗粒外向颗粒内扩散,SiO2被夺去氧,Si被置换到原SiO2颗粒外.
短句来源
     . Results 32 P may diffuse from tumor to other organs if we inject it into the center of tumor,when the dose of 32 P colloidal injected into tumor was determined,the systemic distribution of colloidal 32 P in the MAA injecting groups in advance was lower than that in colloidal 32 P injecting group,but the systemic distribution of 32 P in 1×10 5 group was lower than that in 1×10 4 group;
     当向肿瘤内注射的32 P胶体剂量相同时 ,预先MAA组的小鼠 ,各器官内的放射性均比未注射MAA组要少 ,其中 1× 10 5颗粒MAA组的小鼠 ,32 P体内分布又比 1× 10 4 颗粒MAA组少 ;
短句来源
     It was shown that a smooth interface between 3C-SiC islands and Si substrate was observed with no formation of voids on Si substrate, indicating that no Si atoms out diffuse from the Si substrates. The concentration of C atoms in the precursor determines the growth process of SiC islands on Si (001) substrates.
     结果表明 ,3C -SiC岛生长所需的Si原子来自反应气源 ,衬底上的Si原子不发生迁移或外扩散 ,气相中C原子浓度决定了SiC岛的生长过程
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  diffuse from
Fe is found to diffuse from the substrates, even in the case of substrates which are not intentionally doped with Fe.
      
The model considers the electronic conduction as a two-step process: in one step, ferrous ions diffuse from their initial position to a proper distance from ferric ions; in the next step, an electron is transferred between Fe2+ and Fe3+.
      
Under the conditions of these experiments, the chromium, nickel, and chromium silicide diffuse from the substrate through the gold to the outer surface of the gold where they are oxidized.
      
Second type (Harper-Dorn (H-D)): the vacancies diffuse from edge dislocations with their Burgers vectors parallel to the major tensile axis to those with Burgers vectors perpendicular to this axis.
      
The delayed (5 hours after injection) increase in tumor concentration of Rh-123 may reflect tumor hypoperfusion and/or the time required for the compound to diffuse from the blood to the cells within the tumor due to the blood brain barrier.
      
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The surface structure and mass transport of silicon diffused from the boron nitride planar source were examined by means of trasmission infrared spectroscopy, scanning electroscope, eltipsometer and four probe measurements, etc. It was found experimentallythat the prediffused silicon surface wascomposed of unreactive deposited HBO21layer——boron silicon glass layer——Si-B phase layer. This surfacesystem, especially the structure and properties of the Si-B phase, changes with diffusion conditions. For the...

The surface structure and mass transport of silicon diffused from the boron nitride planar source were examined by means of trasmission infrared spectroscopy, scanning electroscope, eltipsometer and four probe measurements, etc. It was found experimentallythat the prediffused silicon surface wascomposed of unreactive deposited HBO21layer——boron silicon glass layer——Si-B phase layer. This surfacesystem, especially the structure and properties of the Si-B phase, changes with diffusion conditions. For the mechanism of the surface process, an analysis based on the general principles of boron doping was given. The conclusion was that the formation of different surface systems result from diffusion control surface reaction. By means of this, phenomena observed in various experiments can be explained.

对在氮化硼片源扩散下的硅表面结构和质量输运进行了观测。实验发现,预扩散后的硅表面由未反应的HBO_2淀积层——硼硅玻璃层——Si-B相层组成。这种表面系统,特别是Si-B相的结构和性质,随扩散条件而变化。文中从一般硼掺杂的原理出发,提出了一种对表面过程的机理的分析,认为不同表面系统的形成是扩散控制表面反应的结果,由此可解释观测到的各种实验现象。

By using the direct (red blood cell counting) method, the volumes ofblood ejected (or withdrawn) and oozed from the biting wounds of Ancy-lostoma duodenale and Ancylostoma ceylanicum were estimated. In terms of ml per worm per day, the volumes of blood emitted bythe female and male A .duodenale were 0.006029 and 0.001877 respectively,with an average of 0.003953. While the worm was sucking blood, the amount of blood diffusedfrom the biting wound was 0.002887 ml/worm/day. After the worm shifted from its point...

By using the direct (red blood cell counting) method, the volumes ofblood ejected (or withdrawn) and oozed from the biting wounds of Ancy-lostoma duodenale and Ancylostoma ceylanicum were estimated. In terms of ml per worm per day, the volumes of blood emitted bythe female and male A .duodenale were 0.006029 and 0.001877 respectively,with an average of 0.003953. While the worm was sucking blood, the amount of blood diffusedfrom the biting wound was 0.002887 ml/worm/day. After the worm shifted from its point of attachment, the wound ooz-ed continuously. This amount of blood loss was about 0.070282 mm~3/wound. As above, the average volume of blood emitted by the A. ceylanicumwas 0.008267 ml/worm/day. While the worm was sucking blood and after its change of position,the amounts of blood diffused from the biting wound were 0.002697 ml/worm/day and 0.014840mm~3/wound respectively.

用红细胞计数的方法,观测了十二指肠钩口线虫及锡兰钩口线虫在实验犬体内的排血量和渗血量。结果发现:(1)十二指肠钩口线虫排血量以毫升/24小时/条虫计,雌虫平均为0.006029,雄虫平均为0.001877;二者平均为0.003953。虫体正在吸血时,咬附点的渗血量平均为0.002887毫升/24小时/条虫。虫体离开咬附点以后,一般平均经7’45”后停止继续渗血,继续渗出的血量平均约0.70282立方毫米/咬附伤口。(2)锡兰钩口线虫的排血量,以毫升/24小时/条虫计,雌雄二者平均为0.008267,虫体正在吸血时,咬附点的渗血量平均为0.004542毫升/24小时/条虫。当虫体脱离咬附点以后,一般平均经4’16”停止继续渗血,继续渗出的血量,平均约为0.014840立方毫米/咬附伤口。

Tubes of 1hc primary reformer furnace of an ammonia plant were exam- inated through dye penetrate; macro and micrometall-ographic; microhardness and micro-probe tests. The results ofs the examinations show that after 20000 hrs of operation at 500℃, the carbons of the 1(1/4)Cr(1/2)Mo Stecl diffused from heat affected zone to the welded fusion boundaryl the 1(1/4)Cr(1/2)Mo Stee1 side of the welded fusion boundary was decarburized and a thin shell-like brittle carbide was precipitated along the fusion boundary...

Tubes of 1hc primary reformer furnace of an ammonia plant were exam- inated through dye penetrate; macro and micrometall-ographic; microhardness and micro-probe tests. The results ofs the examinations show that after 20000 hrs of operation at 500℃, the carbons of the 1(1/4)Cr(1/2)Mo Stecl diffused from heat affected zone to the welded fusion boundaryl the 1(1/4)Cr(1/2)Mo Stee1 side of the welded fusion boundary was decarburized and a thin shell-like brittle carbide was precipitated along the fusion boundary of the welding seam; the hardness of the welded fusion zone was incrcased. Theseare the reason of the brittle cracks along the welded fusion zone. Cracks started from the root of the welding seam.

本文利用着色探伤、低倍检验、金相分析、显微硬度及电子探针等方法,分析了某化肥厂一段转化炉炉管沿异种纲焊接融合区的爆裂事故。研究结果表明:4Cr25Ni20钢与1(1/4)Cr(1/2)Mo钢焊接融合区,在500℃左右, 近20000小时的运行中,1(1/4)Cr(1/2)Mo钢接近融合线部位,由于碳向焊缝扩散而发 生脱碳现象,沿异种钢的融合线折出薄壳状脆性碳化物相,融合区硬度升高,这是导 致融合区韧性下降,引起炉管沿融合线断裂的主要原因。

 
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