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多节状
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  multi node
     VS Growth Mechanism of Multi node SiC Whiskers and Analysis of the Crystal Defects
     多节状SiC晶须的VS生长机理及晶体缺陷分析
短句来源
     Besides, the growth mechanism of the Multi node SiCw is VS process.
     此外,机理研究表明,多节状SiCw为VS生长机理
短句来源
     The multi node SiC whiskers (SiCw) synthesized with non metallic catalyst from rice hulls is studied in this paper. The morphology and microstructure of the SiCw are studied by means of TEM, XRD and so on.
     本文以稻壳为原料,对非金属催化剂合成的多节状SiC晶须(简称SiCw)进行了研究,运用TEM、XRD等分析检测技术,对SiCw的形貌及显微结构进行了分析。
短句来源
     The results indicate that the SiCw is straight, and the morphology of SiC w is multi node with rough surface.
     研究表明:SiCw产品以直晶为主,表面粗糙,呈多节状
短句来源
  “多节状”译为未确定词的双语例句
     Synthesis of Multi-node SiC Whiskers and its Application in the Engineering Materials of Mining and Metallurgy
     多节状SiC晶须的合成及在矿冶工程材料中的应用
短句来源
     The results indicate that the SiCw is multi-node with straight. The diameter distribution of SiCw is from 0. 2 Urn to 1. 5 μm, and the length is from 30μm to 200 μm.
     研究表明:SiCw为多节状,以直晶为主,直径为0.2~1.5μm,长度为30~200μm;
短句来源
     As indicated by the results, the morphology of SiCw is dominated by straight crystal in the form of multi-node, with the main crystalline being P -SiC. The diameter distribution of SiC ranges from 0.2μm to 1.5μm, and the length ranges from 30μm to 200μm.
     研究表明:SiCw产品以直晶为主,表面呈多节状,以β-SiC为主要晶型,直径为2.2~1.5μm,长度为30~200μm。
短句来源
     From the results,The SiCw Synthesited from rice hulls has rough surface with multi-node. The main crystalline structure is β-SiC,and less α-SiC variant.
     结果表明:本方法合成的SiCw表面粗糙,呈多节状,晶型以β-SiC为主,并含有少量的α-SiC变体;
短句来源
  相似匹配句对
     soft and multi segmented cerci;
     尾须柔软、 ;
短句来源
     The Fabrication of Mulli-element MIC Filters
     MIC滤波器的制作
短句来源
     TRACKING OF MULTIPLE TARGETS
     目标跟踪
短句来源
     Multiple target Tracking
     目标跟踪
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     Left-Handers Day
     左撇子
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  multi node
At least two nodes of a multi node hardware cluster are used in this configuration.
      
In multi node networks countervailing effects make an analytic analysis difficult.
      


Results ofseries of field and laboratory tests as well as ten oldyears engineering experience of using the innovation by the first author of the precast concrete FLAT OVERSIZE TIP in driven cast-in-situ pile to replace the conventional conical tip,showthat flat oversize tipped pile is suitable for subsoil conditions having shallow firm bearing stratum and easy to be driven into required penetration,while details of construction technology remain the same as those of conical tipped pile.In case of layered soil...

Results ofseries of field and laboratory tests as well as ten oldyears engineering experience of using the innovation by the first author of the precast concrete FLAT OVERSIZE TIP in driven cast-in-situ pile to replace the conventional conical tip,showthat flat oversize tipped pile is suitable for subsoil conditions having shallow firm bearing stratum and easy to be driven into required penetration,while details of construction technology remain the same as those of conical tipped pile.In case of layered soil deposit a VARIABLE-DIAMETER EFFECT has been found of the flat oversize tipped pile,which results in nodular projections in stiffer soil lqyers along pile shaft,meanwhile the enlarged end portion in bearing stratum forms a composite base enlargement with the precast tip.So,much higher bearing capacity is usually achieved of the flat oversize tipped pile.In bearing stratum of silty and fine sand it is twice that of conical tipped pile,and in clayey soils it reaches 140% of that of conical tipped pile. Since the 1980s flat oversize tipped piles have been successfully applied to buildings up to 13 storeis in Zhe jiang and Jiangsu Provinces etc.in China.Besides,water towers,chimmey stalks and other tarll structures storeys amoutnting to somehundred thousand floor,square meters,and saving1 /3 or 1/2 of piles compared with that of conical tipped type Due to slight group action,settlements of buildings and structures on flat oversize tipped piles are usually as small as 10- 15mm in one year after completion and they stabilize soon

十余年工程应用和试验研究表明在沉管灌注桩中采用预制混凝土平底大头以代替普通圆锥形桩靴的新桩型适合于软土地区具有浅埋的良好持力层地质条件下应用.它的扩底明确可靠,沉管并不困难,施工工艺和工效,与普通沉管桩基本相同。在成层土条件下,这种桩存在“变径效应”,使桩身呈多节状,且在桩下段形成复合扩大头,因而其侧阻与普通沉管桩相比有增无减,端阻大为提高。单桩承载力在较厚(≥6m)粉土、砂士持力层中比普通沉管桩增加1倍以上,在粘性土中增加40%以上。用桩数量比普通沉管桩减少约1/3至1/2。它的群桩效应轻微,沉降小,稳定快。已在浙江、江苏等地用于各类多层至十余层民用建筑和工业厂房,累计建筑面积数10万m2;及烟囱、水塔等构筑物。

The multi node SiC whiskers (SiCw) synthesized with non metallic catalyst from rice hulls is studied in this paper. The morphology and microstructure of the SiCw are studied by means of TEM, XRD and so on. The results indicate that the SiCw is straight, and the morphology of SiC w is multi node with rough surface. The main crystalline of the SiCw is β, and a few α SiC exists as crystal defects with twins, dislocation and fault. Besides, the growth mechanism of the Multi node SiCw is VS process.

本文以稻壳为原料,对非金属催化剂合成的多节状SiC晶须(简称SiCw)进行了研究,运用TEM、XRD等分析检测技术,对SiCw的形貌及显微结构进行了分析。研究表明:SiCw产品以直晶为主,表面粗糙,呈多节状;晶须以βSiC为主要晶型,少量αSiC以孪晶、位错、层错等晶体缺陷形式存在。此外,机理研究表明,多节状SiCw为VS生长机理

Silicon Carbide whisker (SiCw) Synthesized from rice hulls has been stadied,and three kinds of SiCw were produced. The SiCw reinforced Si3N4 Ceramic Matrix Composite Materials were Studied. From the results,The SiCw Synthesited from rice hulls has rough surface with multi-node. The main crystalline structure is β-SiC,and less α-SiC variant. It is a good effect that the SiCw in wide diameter range are added in the Si3N4 base matrix, materials,σfRT ofthe material is 856. 22MPa,KIC is 11.31MPa m1/2,σf1300℃ is 418....

Silicon Carbide whisker (SiCw) Synthesized from rice hulls has been stadied,and three kinds of SiCw were produced. The SiCw reinforced Si3N4 Ceramic Matrix Composite Materials were Studied. From the results,The SiCw Synthesited from rice hulls has rough surface with multi-node. The main crystalline structure is β-SiC,and less α-SiC variant. It is a good effect that the SiCw in wide diameter range are added in the Si3N4 base matrix, materials,σfRT ofthe material is 856. 22MPa,KIC is 11.31MPa m1/2,σf1300℃ is 418. 5MPa.

本文对稻壳合成SiC晶须(SiCw)进行了研究,生产了三种SiCw,并进行了复合Si_3N_4陶瓷材料的研究。结果表明:本方法合成的SiCw表面粗糙,呈多节状,晶型以β-SiC为主,并含有少量的α-SiC变体;粗直径的SiCw对陶瓷基复合材料的增强增韧效果较好,材料的室温强度σ(fRT)达856.22MPa,断裂韧性K_(IC)达11.31MPa,m~(1/2),1300℃时的高温强度σ_f达418.SMPa。

 
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