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vacuum assisted
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  真空辅助
     The Application of Vacuum Assisted RTM and its Favourable Resin System
     真空辅助RTM成型技术应用及适用树脂体系
短句来源
     Methods A total of 361 cases of stereotactic breast biopsies were carried out since 2000, including 73 cases of true cut core needle biopsies(ST-CNB),74 cases of vacuum assisted biopsies(ST- VAB)and 214 cases of excisional biopsies.
     方法自2000年1月起,对361例乳腺病灶进行乳腺 X 线立体定位活检,其中弹射式空芯针活检(ST-CNB)73例、真空辅助旋切活检(ST-VAB)74例以及手术活检214例。
短句来源
     The rheological behavior of epoxy resin for vacuum assisted resin transfer molding(VARTM) was studied with DSC analysis and viscosity experiments. According to the results of A_1,A_2,A_3 resin system, it was concluded that A_2 resin system was fit for VARTM.
     研究了真空辅助树脂传递模塑(VARTM)工艺用环氧树脂(EP)体系的流变特性,结合差示扫描量热(DSC)仪和旋转式粘度计对A1、A2、A3三种EP体系的测试结果,确定A2树脂体系适合于VARTM工艺,并根据双阿累尼乌斯方程,建立了A2树脂体系的流变模型。
短句来源
     Objective To investigate the accuracy and safety of VacoraTM vacuum assisted biopsy system, and to establish the foundation for clinical application.
     目的探讨VacoraTM真空辅助活检系统的准确性和安全性,为临床应用奠定基础。
短句来源
     Conclusions VacoraTM vacuum assisted biopsy system has the advantages of accurate location, intact tissues and easy for operation.
     结论VacoraTM真空辅助活检系统定位准确、取样完整、操作简便。
短句来源
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  “vacuum assisted”译为未确定词的双语例句
     Microstructure and Mechanical Properties of Vacuum Assisted High Pressure Die Casting of AZ91D Magnesium Alloy
     镁合金AZ91D真空压铸的组织与性能
     Vacora~(TM) vacuum assisted biopsy system under the guide of ultrasound:experimental study
     超声引导下Vacora~(TM)旋切系统的实验研究
短句来源
     AIM; To observe the effects of vacuum assisted closure (VAC) on expressions of metalloproteinases (MMPs) MMP-1,MMP-2,MMP-8,MMP-9,MMP-13 and tissue inhibitor of metalloproteinases (TIMPs) TIMP-1,TIMP-2 in margin tissues of human chronic wounds. METHODS;
     目的:观察封闭负压引流术对人慢性创面创缘组织中金属基质蛋白酶(metalloproteinases,MMPs)MMP-1,MMP-2,MMP-8,MMP-9,MMP-13以及其组织抑制剂(tissue inhibitor of metalloproteinases,TIMPs)TIMP-1,TIMP-2蛋白的影响。
短句来源
     Influences of vacuum assisted closure on the expression and distribution of metalloproteinases in human chronic wound
     封闭负压引流技术对人慢性创面中金属基质蛋白酶表达及分布的影响
短句来源
     Effect of vacuum assisted closure on PDGF and TGF-β expression in human chronic wound
     封闭负压引流技术对人慢性创面周围组织中PDGF及TGF-β表达的影响
短句来源
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  相似匹配句对
     Vacuum assisted resin infusion
     真空辅助成型技术(三)
短句来源
     Corrugated Plastic Ducts and Vacuum Assisted Grouting
     塑料波纹管和真空灌浆技术
短句来源
     RAZED IN VACUUM
     真空钎焊不锈钢接头重熔温度的研究
短句来源
     VACUUM PRECOOLING
     真空预冷却
短句来源
     Assisted examination
     辅助检查
短句来源
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  vacuum assisted
Aluminium-matrix composites containing thermally oxidized and unoxidized SiC particles featuring four average particle diameters ranging from 3 to 40 μm were produced by vacuum assisted high pressure infiltration.
      
Ductoscopy and intraductal vacuum assisted biopsy in women with pathologic nipple discharge
      
The Fine-Needle Aspiration Cytology (FNAC), the Advanced Breast Biopsy Instrumentation (ABBI) system or the Vacuum Assisted Core Biopsy (VACB) represent valid alternatives to the surgical excision with needle localisation.
      
Our conclusion is that samples processed by the vacuum assisted automatic microwave histoprocessor MFX-800-3 are perfectly applicable for DNA and RNA isolation and provide appropriate templates for further PCR and realtime PCR studies.
      
To assist our customers with rapid separations, Eichrom has developed a new configuration for its existing extraction chromatographic material that operates with vacuum assisted flow.
      
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As a kind of advanced composite materials, 3-D braided composites have superior delamination resistance and impact tolerance. In this paper 4-step 3×2 braided composite specimens were formed by means of RTM (Resin Transfer Moulding) technique with vacuum assisted. A measurement was taken by means of experiment on the tensile properties of 3-D braiding uncut, cut and drilled composite specimens. The effect of cut fibres on the tensile strain of specimen edge was compared with that of uncut fibres. The...

As a kind of advanced composite materials, 3-D braided composites have superior delamination resistance and impact tolerance. In this paper 4-step 3×2 braided composite specimens were formed by means of RTM (Resin Transfer Moulding) technique with vacuum assisted. A measurement was taken by means of experiment on the tensile properties of 3-D braiding uncut, cut and drilled composite specimens. The effect of cut fibres on the tensile strain of specimen edge was compared with that of uncut fibres. The stress concentration coefficient around hole was measured. The factors affecting tensile properties of 4-step composites and the reasons for failure were discussed. The results showed that with the braiding angle increased, the tensile mudulus and strength decreased. The tensile properties of cut and drilled specimens were inferior to that of uncut specimens. The stress concentration coefficient around hole of 4step composite materials was lower than that of laminates and metals. The tensile failure of 3-D braided composites appeared to be a result of fibre breakage with some evidence of fiber pullout.

三维编织复合材料作为一种高级的复合材料,抗分层、耐冲击能力强。本文用真空辅助RTM(树脂传递模塑)工艺合成了四步法3×2编织的复合材料试件,通过实验测定了三维编织复合材料未切割、受切割和钻孔试件的拉伸性能,对比了受切割和未切割纤维对于试件侧边拉伸应变的影响,测定了孔边应力集中系数,并且讨论了影响四步法复合材料拉伸性能的因素和断裂失效的原因。结果表明,随着编织角的增大,拉抻模量和拉伸强度减小;受切割和钻孔的试件拉伸性能低于未加工试件的性能;四步法复合材料的孔边应力集中系数比层板材料和金属材料的低;三维编织复合材料的拉伸失效主要是由纤维断裂以及纤维拉拔造成的。

Using mullite powders,iron powders and the hydrolysates of ethyl silicate as raw materials,a new kind of gas-permeable ceramic-metal composite is developed through the processing of slurry preparation,slip casting,drying and reactive sintering.Preparation technology of the material is optimized.The results indicate that vacuum-assisted kneading followed by vibration-assisted shaping may improve the quality of the green samples,and result in a uniform distribution of mullite and iron powders,absence...

Using mullite powders,iron powders and the hydrolysates of ethyl silicate as raw materials,a new kind of gas-permeable ceramic-metal composite is developed through the processing of slurry preparation,slip casting,drying and reactive sintering.Preparation technology of the material is optimized.The results indicate that vacuum-assisted kneading followed by vibration-assisted shaping may improve the quality of the green samples,and result in a uniform distribution of mullite and iron powders,absence of gas pore throughout the samples.Meanwhile,the sintered samples have higher strength and about the same gas-permeability compared with those kneaded in air.

本文研究在以硅酸乙脂水解液为粘结剂情况下,莫来石和铁粉的粉浆浇注成型工艺对坯体质量及其烧结体性能的影响。结果表明,采用真空混浆、振动成型,能获得高质量的坯体;莫来石、铁粉在整个坯体中均匀分布,坯体表面及心部消除了空气中混浆产生的气孔。同时,提高了烧结体的强度,而透气系数和空气中混浆试样的几乎一致。

Steam-Vacuum pressing is a method of hot pressing that includes the injection and vacuum-assisted exhaust of steam during the press cycle.The heat released by steam condensation heats the mat up to a high temperature level,which causes fast resin reaction and thus shorts cure time.This technique is especially suitable for making thick panels.The vavuum-assisted exhaust can facilitate the evaxcuation of residual steam and iother harmful gases while reducing blistering and warping in the...

Steam-Vacuum pressing is a method of hot pressing that includes the injection and vacuum-assisted exhaust of steam during the press cycle.The heat released by steam condensation heats the mat up to a high temperature level,which causes fast resin reaction and thus shorts cure time.This technique is especially suitable for making thick panels.The vavuum-assisted exhaust can facilitate the evaxcuation of residual steam and iother harmful gases while reducing blistering and warping in the final panel.Panels steam-vacuum pressed have a number of specific characteristics.These include good internal bond with low resin consumption,better thickness weell,improved dimensional stability,homogeneous density profile and low sanding loss.So, the technique would be a developin direction for wood-based composite panels pressing.

喷蒸真空热压系在板的热压周期中,通过向板坯内部注入高温高压蒸汽以加速热固性树脂固化,并借助真空处理帮助残余蒸汽和其它有害气体排除、降低板鼓泡发生率的一种热压方法。该技术可有效缩短厚板的热压时间,并改善板的尺寸稳定性、控制板的密度分布、减少砂光损失。喷蒸真空热压技术有望成为木质刨花板和木质复合板热压的发展方向。

 
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