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冲击剪切强度
相关语句
  impact shear strength
     The effect of mass fraction of acrylonitrile and relative molecule mass of NBR on the apparent viscosity of α-cyanoacrylate adhesive and the tensile shear strength, impact shear strength of the adhesive adhint was investigated. The micromorphology of cured modified α-adhesive was observed by photomicrograph.
     以拉伸剪切强度、冲击剪切强度和光学相衬显微镜考察了丁腈橡胶(NBR)的含腈量、薄通次数以及加入量对α-氰基丙烯酸乙酯胶粘剂的表观粘度、胶接接头的力学性能和微观结构的影响。
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  “冲击剪切强度”译为未确定词的双语例句
     The thickening and toughening properties of α-adhesive was obviously improved by blending 9%of NBR,with acrylonitrile mass fraction 26%,milling 40 times, and the diameter of the particle of NBR 26 was 5~10 μm.
     薄通次数为40次,NBR26质量分数为9%的改性α-氰基丙烯酸乙酯胶粘剂中的NBR的粒径为5~20μm,并均匀分散于聚合物基体中,大大的提高了改性α-氰基丙烯酸乙酯胶粘剂的冲击剪切强度和粘度,它们分别是原来的11倍和250倍左右。
短句来源
     The dead load shear and impact shear testing were performed from both of root apex direction and cutting edge direction.
     测试了剪切力分别沿根尖方向和切缘方向作用的静剪切和冲击剪切强度
短句来源
  相似匹配句对
     The Shock of Photograph
     影像的冲击
短句来源
     Culture Shock
     文化冲击
短句来源
     When the hold time is 300s, the impact toughness and the bonding strength are at the most.
     保温时间300s时,冲击韧性和剪切强度均达到最大值。
短句来源
     The effects of toughener and filler on shearing strength and impact strength of epoxy adhesives were studied.
     研究增韧剂、填料对环氧树脂胶粘剂剪切强度冲击强度性能的影响。
短句来源
     Shear strength check for a large oil tanker
     大型油船的剪切强度校核
短句来源
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  impact shear strength
Study of the impact shear strength of polymer materials
      


Ethyl α cyanoacrylate was synthesized from ethyl cyanoacetate and formaldehyde. The effect of various reaction conditions on yield was studied. The mechanical properties and viscosity of ethyl α cyanoacrylate were toughened and thickened by blending NBR、PMMA、MAS or silica. The impact strength and viscosity of the adhesive were significantly improved with certain storage stability.

用氰乙酸乙酯和甲醛为原料合成了α氰基丙烯酸乙酯,考察了合成反应工艺条件对产率的影响。对α氰基丙烯酸乙酯的增韧和增稠改性研究工作做了初步的探索。结果表明,改性后的胶粘剂有较高的拉伸剪切强度和冲击剪切强度

The effect of mass fraction of acrylonitrile and relative molecule mass of NBR on the apparent viscosity of α-cyanoacrylate adhesive and the tensile shear strength, impact shear strength of the adhesive adhint was investigated. The micromorphology of cured modified α-adhesive was observed by photomicrograph.The result showed that the less the mass fraction of acrylonitrile in NBR was, the better the thickness was.But the less relative molecule mass of NBR was on the contrary in thickness. The thickening and...

The effect of mass fraction of acrylonitrile and relative molecule mass of NBR on the apparent viscosity of α-cyanoacrylate adhesive and the tensile shear strength, impact shear strength of the adhesive adhint was investigated. The micromorphology of cured modified α-adhesive was observed by photomicrograph.The result showed that the less the mass fraction of acrylonitrile in NBR was, the better the thickness was.But the less relative molecule mass of NBR was on the contrary in thickness. The thickening and toughening properties of α-adhesive was obviously improved by blending 9%of NBR,with acrylonitrile mass fraction 26%,milling 40 times, and the diameter of the particle of NBR 26 was 5~10 μm.

以拉伸剪切强度、冲击剪切强度和光学相衬显微镜考察了丁腈橡胶(NBR)的含腈量、薄通次数以及加入量对α-氰基丙烯酸乙酯胶粘剂的表观粘度、胶接接头的力学性能和微观结构的影响。结果表明,NBR增稠效果明显,腈含量少的NBR增稠效果更佳,但随相对分子质量减少效果渐降;NBR增韧也显著,中腈含量的NBR增韧效果最好;薄通次数为40次,NBR26质量分数为9%的改性α-氰基丙烯酸乙酯胶粘剂中的NBR的粒径为5~20μm,并均匀分散于聚合物基体中,大大的提高了改性α-氰基丙烯酸乙酯胶粘剂的冲击剪切强度和粘度,它们分别是原来的11倍和250倍左右。

Objective To inspect the directionality of adhesive strength between composite resins and dental hard tissues. Methods Two kinds of composite resins were bonded with their luting kits to the enamel and dentin surfaces of bovine teeth separately. The dead load shear and impact shear testing were performed from both of root apex direction and cutting edge direction. Results The shear adhesive strength between the enamel and two kinds of composite resins was on the same behavior, that...

Objective To inspect the directionality of adhesive strength between composite resins and dental hard tissues. Methods Two kinds of composite resins were bonded with their luting kits to the enamel and dentin surfaces of bovine teeth separately. The dead load shear and impact shear testing were performed from both of root apex direction and cutting edge direction. Results The shear adhesive strength between the enamel and two kinds of composite resins was on the same behavior, that the shear adhesive strength of root apex direction was greater than that of cutting edge direction. In the dead load shear testing, the former was about two to three times of the latter ( P < 0 05). In the impact shear testing, the former was about three to four times of the latter ( P< 0 001). The effect of the direction of acting force was small on the shear adhesive strength between the dentin and two kinds of composite resins. In the both dead load shear testing and impact shear testing, there was no statistically significant difference between the datum of two directional loadings ( P > 0 05, P > 0 5). Conclusion The shear adhesive strength between the composite resins and enamel of bovine teeth is related to the acting direction of the shear force.

目的 考察复合树脂材料与牙体硬组织粘接强度的方向性。方法 采用 2种复合树脂材料及配套的粘接剂 ,分别与牛牙牙釉质和牙本质粘接。测试了剪切力分别沿根尖方向和切缘方向作用的静剪切和冲击剪切强度。结果  2种复合树脂材料与牙釉质粘接的剪切粘接强度均表现为根尖方向的剪切强度大于切缘方向的剪切强度。在静剪切实验中 ,前者约为后者的 2~ 3倍 (P <0 0 5) ;在冲击剪切实验中 ,前者约为后者的 3~ 4倍 (P <0 0 0 1 )。 2种复合树脂材料与牙本质的粘接强度受作用力方向的影响较小 ,在静剪切实验和冲击剪切实验中 ,2个方向的数据之间差异均无显著性 (P >0 0 5 ,P >0 5)。结论 复合树脂与牛牙牙釉质之间的剪切粘接强度与剪切力作用的方向有关。

 
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